",
options: {
disabled: false,
// callbacks
create: null
},
_createWidget: function( options, element ) {
element = $( element || this.defaultElement || this )[ 0 ];
this.element = $( element );
this.uuid = uuid++;
this.eventNamespace = "." + this.widgetName + this.uuid;
this.options = $.widget.extend( {},
this.options,
this._getCreateOptions(),
options );
this.bindings = $();
this.hoverable = $();
this.focusable = $();
if ( element !== this ) {
// 1.9 BC for #7810
// TODO remove dual storage
$.data( element, this.widgetName, this );
$.data( element, this.widgetFullName, this );
this._on( this.element, {
remove: function( event ) {
if ( event.target === element ) {
this.destroy();
}
}
});
this.document = $( element.style ?
// element within the document
element.ownerDocument :
// element is window or document
element.document || element );
this.window = $( this.document[0].defaultView || this.document[0].parentWindow );
}
this._create();
this._trigger( "create", null, this._getCreateEventData() );
this._init();
},
_getCreateOptions: $.noop,
_getCreateEventData: $.noop,
_create: $.noop,
_init: $.noop,
destroy: function() {
this._destroy();
// we can probably remove the unbind calls in 2.0
// all event bindings should go through this._on()
this.element
.unbind( this.eventNamespace )
// 1.9 BC for #7810
// TODO remove dual storage
.removeData( this.widgetName )
.removeData( this.widgetFullName )
// support: jquery <1.6.3
// http://bugs.jquery.com/ticket/9413
.removeData( $.camelCase( this.widgetFullName ) );
this.widget()
.unbind( this.eventNamespace )
.removeAttr( "aria-disabled" )
.removeClass(
this.widgetFullName + "-disabled " +
"ui-state-disabled" );
// clean up events and states
this.bindings.unbind( this.eventNamespace );
this.hoverable.removeClass( "ui-state-hover" );
this.focusable.removeClass( "ui-state-focus" );
},
_destroy: $.noop,
widget: function() {
return this.element;
},
option: function( key, value ) {
var options = key,
parts,
curOption,
i;
if ( arguments.length === 0 ) {
// don't return a reference to the internal hash
return $.widget.extend( {}, this.options );
}
if ( typeof key === "string" ) {
// handle nested keys, e.g., "foo.bar" => { foo: { bar: ___ } }
options = {};
parts = key.split( "." );
key = parts.shift();
if ( parts.length ) {
curOption = options[ key ] = $.widget.extend( {}, this.options[ key ] );
for ( i = 0; i < parts.length - 1; i++ ) {
curOption[ parts[ i ] ] = curOption[ parts[ i ] ] || {};
curOption = curOption[ parts[ i ] ];
}
key = parts.pop();
if ( value === undefined ) {
return curOption[ key ] === undefined ? null : curOption[ key ];
}
curOption[ key ] = value;
} else {
if ( value === undefined ) {
return this.options[ key ] === undefined ? null : this.options[ key ];
}
options[ key ] = value;
}
}
this._setOptions( options );
return this;
},
_setOptions: function( options ) {
var key;
for ( key in options ) {
this._setOption( key, options[ key ] );
}
return this;
},
_setOption: function( key, value ) {
this.options[ key ] = value;
if ( key === "disabled" ) {
this.widget()
.toggleClass( this.widgetFullName + "-disabled ui-state-disabled", !!value )
.attr( "aria-disabled", value );
this.hoverable.removeClass( "ui-state-hover" );
this.focusable.removeClass( "ui-state-focus" );
}
return this;
},
enable: function() {
return this._setOption( "disabled", false );
},
disable: function() {
return this._setOption( "disabled", true );
},
_on: function( element, handlers ) {
var delegateElement,
instance = this;
// no element argument, shuffle and use this.element
if ( !handlers ) {
handlers = element;
element = this.element;
delegateElement = this.widget();
} else {
// accept selectors, DOM elements
element = delegateElement = $( element );
this.bindings = this.bindings.add( element );
}
$.each( handlers, function( event, handler ) {
function handlerProxy() {
// allow widgets to customize the disabled handling
// - disabled as an array instead of boolean
// - disabled class as method for disabling individual parts
if ( instance.options.disabled === true ||
$( this ).hasClass( "ui-state-disabled" ) ) {
return;
}
return ( typeof handler === "string" ? instance[ handler ] : handler )
.apply( instance, arguments );
}
// copy the guid so direct unbinding works
if ( typeof handler !== "string" ) {
handlerProxy.guid = handler.guid =
handler.guid || handlerProxy.guid || $.guid++;
}
var match = event.match( /^(\w+)\s*(.*)$/ ),
eventName = match[1] + instance.eventNamespace,
selector = match[2];
if ( selector ) {
delegateElement.delegate( selector, eventName, handlerProxy );
} else {
element.bind( eventName, handlerProxy );
}
});
},
_off: function( element, eventName ) {
eventName = (eventName || "").split( " " ).join( this.eventNamespace + " " ) + this.eventNamespace;
element.unbind( eventName ).undelegate( eventName );
},
_delay: function( handler, delay ) {
function handlerProxy() {
return ( typeof handler === "string" ? instance[ handler ] : handler )
.apply( instance, arguments );
}
var instance = this;
return setTimeout( handlerProxy, delay || 0 );
},
_hoverable: function( element ) {
this.hoverable = this.hoverable.add( element );
this._on( element, {
mouseenter: function( event ) {
$( event.currentTarget ).addClass( "ui-state-hover" );
},
mouseleave: function( event ) {
$( event.currentTarget ).removeClass( "ui-state-hover" );
}
});
},
_focusable: function( element ) {
this.focusable = this.focusable.add( element );
this._on( element, {
focusin: function( event ) {
$( event.currentTarget ).addClass( "ui-state-focus" );
},
focusout: function( event ) {
$( event.currentTarget ).removeClass( "ui-state-focus" );
}
});
},
_trigger: function( type, event, data ) {
var prop, orig,
callback = this.options[ type ];
data = data || {};
event = $.Event( event );
event.type = ( type === this.widgetEventPrefix ?
type :
this.widgetEventPrefix + type ).toLowerCase();
// the original event may come from any element
// so we need to reset the target on the new event
event.target = this.element[ 0 ];
// copy original event properties over to the new event
orig = event.originalEvent;
if ( orig ) {
for ( prop in orig ) {
if ( !( prop in event ) ) {
event[ prop ] = orig[ prop ];
}
}
}
this.element.trigger( event, data );
return !( $.isFunction( callback ) &&
callback.apply( this.element[0], [ event ].concat( data ) ) === false ||
event.isDefaultPrevented() );
}
};
$.each( { show: "fadeIn", hide: "fadeOut" }, function( method, defaultEffect ) {
$.Widget.prototype[ "_" + method ] = function( element, options, callback ) {
if ( typeof options === "string" ) {
options = { effect: options };
}
var hasOptions,
effectName = !options ?
method :
options === true || typeof options === "number" ?
defaultEffect :
options.effect || defaultEffect;
options = options || {};
if ( typeof options === "number" ) {
options = { duration: options };
}
hasOptions = !$.isEmptyObject( options );
options.complete = callback;
if ( options.delay ) {
element.delay( options.delay );
}
if ( hasOptions && $.effects && ( $.effects.effect[ effectName ] || $.uiBackCompat !== false && $.effects[ effectName ] ) ) {
element[ method ]( options );
} else if ( effectName !== method && element[ effectName ] ) {
element[ effectName ]( options.duration, options.easing, callback );
} else {
element.queue(function( next ) {
$( this )[ method ]();
if ( callback ) {
callback.call( element[ 0 ] );
}
next();
});
}
};
});
// DEPRECATED
if ( $.uiBackCompat !== false ) {
$.Widget.prototype._getCreateOptions = function() {
return $.metadata && $.metadata.get( this.element[0] )[ this.widgetName ];
};
}
})( jQuery );
(function( $, undefined ) {
var mouseHandled = false;
$( document ).mouseup( function( e ) {
mouseHandled = false;
});
$.widget("ui.mouse", {
version: "1.9.1",
options: {
cancel: 'input,textarea,button,select,option',
distance: 1,
delay: 0
},
_mouseInit: function() {
var that = this;
this.element
.bind('mousedown.'+this.widgetName, function(event) {
return that._mouseDown(event);
})
.bind('click.'+this.widgetName, function(event) {
if (true === $.data(event.target, that.widgetName + '.preventClickEvent')) {
$.removeData(event.target, that.widgetName + '.preventClickEvent');
event.stopImmediatePropagation();
return false;
}
});
this.started = false;
},
// TODO: make sure destroying one instance of mouse doesn't mess with
// other instances of mouse
_mouseDestroy: function() {
this.element.unbind('.'+this.widgetName);
if ( this._mouseMoveDelegate ) {
$(document)
.unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
.unbind('mouseup.'+this.widgetName, this._mouseUpDelegate);
}
},
_mouseDown: function(event) {
// don't let more than one widget handle mouseStart
if( mouseHandled ) { return; }
// we may have missed mouseup (out of window)
(this._mouseStarted && this._mouseUp(event));
this._mouseDownEvent = event;
var that = this,
btnIsLeft = (event.which === 1),
// event.target.nodeName works around a bug in IE 8 with
// disabled inputs (#7620)
elIsCancel = (typeof this.options.cancel === "string" && event.target.nodeName ? $(event.target).closest(this.options.cancel).length : false);
if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) {
return true;
}
this.mouseDelayMet = !this.options.delay;
if (!this.mouseDelayMet) {
this._mouseDelayTimer = setTimeout(function() {
that.mouseDelayMet = true;
}, this.options.delay);
}
if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
this._mouseStarted = (this._mouseStart(event) !== false);
if (!this._mouseStarted) {
event.preventDefault();
return true;
}
}
// Click event may never have fired (Gecko & Opera)
if (true === $.data(event.target, this.widgetName + '.preventClickEvent')) {
$.removeData(event.target, this.widgetName + '.preventClickEvent');
}
// these delegates are required to keep context
this._mouseMoveDelegate = function(event) {
return that._mouseMove(event);
};
this._mouseUpDelegate = function(event) {
return that._mouseUp(event);
};
$(document)
.bind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
.bind('mouseup.'+this.widgetName, this._mouseUpDelegate);
event.preventDefault();
mouseHandled = true;
return true;
},
_mouseMove: function(event) {
// IE mouseup check - mouseup happened when mouse was out of window
if ($.ui.ie && !(document.documentMode >= 9) && !event.button) {
return this._mouseUp(event);
}
if (this._mouseStarted) {
this._mouseDrag(event);
return event.preventDefault();
}
if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
this._mouseStarted =
(this._mouseStart(this._mouseDownEvent, event) !== false);
(this._mouseStarted ? this._mouseDrag(event) : this._mouseUp(event));
}
return !this._mouseStarted;
},
_mouseUp: function(event) {
$(document)
.unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
.unbind('mouseup.'+this.widgetName, this._mouseUpDelegate);
if (this._mouseStarted) {
this._mouseStarted = false;
if (event.target === this._mouseDownEvent.target) {
$.data(event.target, this.widgetName + '.preventClickEvent', true);
}
this._mouseStop(event);
}
return false;
},
_mouseDistanceMet: function(event) {
return (Math.max(
Math.abs(this._mouseDownEvent.pageX - event.pageX),
Math.abs(this._mouseDownEvent.pageY - event.pageY)
) >= this.options.distance
);
},
_mouseDelayMet: function(event) {
return this.mouseDelayMet;
},
// These are placeholder methods, to be overriden by extending plugin
_mouseStart: function(event) {},
_mouseDrag: function(event) {},
_mouseStop: function(event) {},
_mouseCapture: function(event) { return true; }
});
})(jQuery);
(function( $, undefined ) {
$.ui = $.ui || {};
var cachedScrollbarWidth,
max = Math.max,
abs = Math.abs,
round = Math.round,
rhorizontal = /left|center|right/,
rvertical = /top|center|bottom/,
roffset = /[\+\-]\d+%?/,
rposition = /^\w+/,
rpercent = /%$/,
_position = $.fn.position;
function getOffsets( offsets, width, height ) {
return [
parseInt( offsets[ 0 ], 10 ) * ( rpercent.test( offsets[ 0 ] ) ? width / 100 : 1 ),
parseInt( offsets[ 1 ], 10 ) * ( rpercent.test( offsets[ 1 ] ) ? height / 100 : 1 )
];
}
function parseCss( element, property ) {
return parseInt( $.css( element, property ), 10 ) || 0;
}
$.position = {
scrollbarWidth: function() {
if ( cachedScrollbarWidth !== undefined ) {
return cachedScrollbarWidth;
}
var w1, w2,
div = $( "
" ),
innerDiv = div.children()[0];
$( "body" ).append( div );
w1 = innerDiv.offsetWidth;
div.css( "overflow", "scroll" );
w2 = innerDiv.offsetWidth;
if ( w1 === w2 ) {
w2 = div[0].clientWidth;
}
div.remove();
return (cachedScrollbarWidth = w1 - w2);
},
getScrollInfo: function( within ) {
var overflowX = within.isWindow ? "" : within.element.css( "overflow-x" ),
overflowY = within.isWindow ? "" : within.element.css( "overflow-y" ),
hasOverflowX = overflowX === "scroll" ||
( overflowX === "auto" && within.width < within.element[0].scrollWidth ),
hasOverflowY = overflowY === "scroll" ||
( overflowY === "auto" && within.height < within.element[0].scrollHeight );
return {
width: hasOverflowX ? $.position.scrollbarWidth() : 0,
height: hasOverflowY ? $.position.scrollbarWidth() : 0
};
},
getWithinInfo: function( element ) {
var withinElement = $( element || window ),
isWindow = $.isWindow( withinElement[0] );
return {
element: withinElement,
isWindow: isWindow,
offset: withinElement.offset() || { left: 0, top: 0 },
scrollLeft: withinElement.scrollLeft(),
scrollTop: withinElement.scrollTop(),
width: isWindow ? withinElement.width() : withinElement.outerWidth(),
height: isWindow ? withinElement.height() : withinElement.outerHeight()
};
}
};
$.fn.position = function( options ) {
if ( !options || !options.of ) {
return _position.apply( this, arguments );
}
// make a copy, we don't want to modify arguments
options = $.extend( {}, options );
var atOffset, targetWidth, targetHeight, targetOffset, basePosition,
target = $( options.of ),
within = $.position.getWithinInfo( options.within ),
scrollInfo = $.position.getScrollInfo( within ),
targetElem = target[0],
collision = ( options.collision || "flip" ).split( " " ),
offsets = {};
if ( targetElem.nodeType === 9 ) {
targetWidth = target.width();
targetHeight = target.height();
targetOffset = { top: 0, left: 0 };
} else if ( $.isWindow( targetElem ) ) {
targetWidth = target.width();
targetHeight = target.height();
targetOffset = { top: target.scrollTop(), left: target.scrollLeft() };
} else if ( targetElem.preventDefault ) {
// force left top to allow flipping
options.at = "left top";
targetWidth = targetHeight = 0;
targetOffset = { top: targetElem.pageY, left: targetElem.pageX };
} else {
targetWidth = target.outerWidth();
targetHeight = target.outerHeight();
targetOffset = target.offset();
}
// clone to reuse original targetOffset later
basePosition = $.extend( {}, targetOffset );
// force my and at to have valid horizontal and vertical positions
// if a value is missing or invalid, it will be converted to center
$.each( [ "my", "at" ], function() {
var pos = ( options[ this ] || "" ).split( " " ),
horizontalOffset,
verticalOffset;
if ( pos.length === 1) {
pos = rhorizontal.test( pos[ 0 ] ) ?
pos.concat( [ "center" ] ) :
rvertical.test( pos[ 0 ] ) ?
[ "center" ].concat( pos ) :
[ "center", "center" ];
}
pos[ 0 ] = rhorizontal.test( pos[ 0 ] ) ? pos[ 0 ] : "center";
pos[ 1 ] = rvertical.test( pos[ 1 ] ) ? pos[ 1 ] : "center";
// calculate offsets
horizontalOffset = roffset.exec( pos[ 0 ] );
verticalOffset = roffset.exec( pos[ 1 ] );
offsets[ this ] = [
horizontalOffset ? horizontalOffset[ 0 ] : 0,
verticalOffset ? verticalOffset[ 0 ] : 0
];
// reduce to just the positions without the offsets
options[ this ] = [
rposition.exec( pos[ 0 ] )[ 0 ],
rposition.exec( pos[ 1 ] )[ 0 ]
];
});
// normalize collision option
if ( collision.length === 1 ) {
collision[ 1 ] = collision[ 0 ];
}
if ( options.at[ 0 ] === "right" ) {
basePosition.left += targetWidth;
} else if ( options.at[ 0 ] === "center" ) {
basePosition.left += targetWidth / 2;
}
if ( options.at[ 1 ] === "bottom" ) {
basePosition.top += targetHeight;
} else if ( options.at[ 1 ] === "center" ) {
basePosition.top += targetHeight / 2;
}
atOffset = getOffsets( offsets.at, targetWidth, targetHeight );
basePosition.left += atOffset[ 0 ];
basePosition.top += atOffset[ 1 ];
return this.each(function() {
var collisionPosition, using,
elem = $( this ),
elemWidth = elem.outerWidth(),
elemHeight = elem.outerHeight(),
marginLeft = parseCss( this, "marginLeft" ),
marginTop = parseCss( this, "marginTop" ),
collisionWidth = elemWidth + marginLeft + parseCss( this, "marginRight" ) + scrollInfo.width,
collisionHeight = elemHeight + marginTop + parseCss( this, "marginBottom" ) + scrollInfo.height,
position = $.extend( {}, basePosition ),
myOffset = getOffsets( offsets.my, elem.outerWidth(), elem.outerHeight() );
if ( options.my[ 0 ] === "right" ) {
position.left -= elemWidth;
} else if ( options.my[ 0 ] === "center" ) {
position.left -= elemWidth / 2;
}
if ( options.my[ 1 ] === "bottom" ) {
position.top -= elemHeight;
} else if ( options.my[ 1 ] === "center" ) {
position.top -= elemHeight / 2;
}
position.left += myOffset[ 0 ];
position.top += myOffset[ 1 ];
// if the browser doesn't support fractions, then round for consistent results
if ( !$.support.offsetFractions ) {
position.left = round( position.left );
position.top = round( position.top );
}
collisionPosition = {
marginLeft: marginLeft,
marginTop: marginTop
};
$.each( [ "left", "top" ], function( i, dir ) {
if ( $.ui.position[ collision[ i ] ] ) {
$.ui.position[ collision[ i ] ][ dir ]( position, {
targetWidth: targetWidth,
targetHeight: targetHeight,
elemWidth: elemWidth,
elemHeight: elemHeight,
collisionPosition: collisionPosition,
collisionWidth: collisionWidth,
collisionHeight: collisionHeight,
offset: [ atOffset[ 0 ] + myOffset[ 0 ], atOffset [ 1 ] + myOffset[ 1 ] ],
my: options.my,
at: options.at,
within: within,
elem : elem
});
}
});
if ( $.fn.bgiframe ) {
elem.bgiframe();
}
if ( options.using ) {
// adds feedback as second argument to using callback, if present
using = function( props ) {
var left = targetOffset.left - position.left,
right = left + targetWidth - elemWidth,
top = targetOffset.top - position.top,
bottom = top + targetHeight - elemHeight,
feedback = {
target: {
element: target,
left: targetOffset.left,
top: targetOffset.top,
width: targetWidth,
height: targetHeight
},
element: {
element: elem,
left: position.left,
top: position.top,
width: elemWidth,
height: elemHeight
},
horizontal: right < 0 ? "left" : left > 0 ? "right" : "center",
vertical: bottom < 0 ? "top" : top > 0 ? "bottom" : "middle"
};
if ( targetWidth < elemWidth && abs( left + right ) < targetWidth ) {
feedback.horizontal = "center";
}
if ( targetHeight < elemHeight && abs( top + bottom ) < targetHeight ) {
feedback.vertical = "middle";
}
if ( max( abs( left ), abs( right ) ) > max( abs( top ), abs( bottom ) ) ) {
feedback.important = "horizontal";
} else {
feedback.important = "vertical";
}
options.using.call( this, props, feedback );
};
}
elem.offset( $.extend( position, { using: using } ) );
});
};
$.ui.position = {
fit: {
left: function( position, data ) {
var within = data.within,
withinOffset = within.isWindow ? within.scrollLeft : within.offset.left,
outerWidth = within.width,
collisionPosLeft = position.left - data.collisionPosition.marginLeft,
overLeft = withinOffset - collisionPosLeft,
overRight = collisionPosLeft + data.collisionWidth - outerWidth - withinOffset,
newOverRight;
// element is wider than within
if ( data.collisionWidth > outerWidth ) {
// element is initially over the left side of within
if ( overLeft > 0 && overRight <= 0 ) {
newOverRight = position.left + overLeft + data.collisionWidth - outerWidth - withinOffset;
position.left += overLeft - newOverRight;
// element is initially over right side of within
} else if ( overRight > 0 && overLeft <= 0 ) {
position.left = withinOffset;
// element is initially over both left and right sides of within
} else {
if ( overLeft > overRight ) {
position.left = withinOffset + outerWidth - data.collisionWidth;
} else {
position.left = withinOffset;
}
}
// too far left -> align with left edge
} else if ( overLeft > 0 ) {
position.left += overLeft;
// too far right -> align with right edge
} else if ( overRight > 0 ) {
position.left -= overRight;
// adjust based on position and margin
} else {
position.left = max( position.left - collisionPosLeft, position.left );
}
},
top: function( position, data ) {
var within = data.within,
withinOffset = within.isWindow ? within.scrollTop : within.offset.top,
outerHeight = data.within.height,
collisionPosTop = position.top - data.collisionPosition.marginTop,
overTop = withinOffset - collisionPosTop,
overBottom = collisionPosTop + data.collisionHeight - outerHeight - withinOffset,
newOverBottom;
// element is taller than within
if ( data.collisionHeight > outerHeight ) {
// element is initially over the top of within
if ( overTop > 0 && overBottom <= 0 ) {
newOverBottom = position.top + overTop + data.collisionHeight - outerHeight - withinOffset;
position.top += overTop - newOverBottom;
// element is initially over bottom of within
} else if ( overBottom > 0 && overTop <= 0 ) {
position.top = withinOffset;
// element is initially over both top and bottom of within
} else {
if ( overTop > overBottom ) {
position.top = withinOffset + outerHeight - data.collisionHeight;
} else {
position.top = withinOffset;
}
}
// too far up -> align with top
} else if ( overTop > 0 ) {
position.top += overTop;
// too far down -> align with bottom edge
} else if ( overBottom > 0 ) {
position.top -= overBottom;
// adjust based on position and margin
} else {
position.top = max( position.top - collisionPosTop, position.top );
}
}
},
flip: {
left: function( position, data ) {
var within = data.within,
withinOffset = within.offset.left + within.scrollLeft,
outerWidth = within.width,
offsetLeft = within.isWindow ? within.scrollLeft : within.offset.left,
collisionPosLeft = position.left - data.collisionPosition.marginLeft,
overLeft = collisionPosLeft - offsetLeft,
overRight = collisionPosLeft + data.collisionWidth - outerWidth - offsetLeft,
myOffset = data.my[ 0 ] === "left" ?
-data.elemWidth :
data.my[ 0 ] === "right" ?
data.elemWidth :
0,
atOffset = data.at[ 0 ] === "left" ?
data.targetWidth :
data.at[ 0 ] === "right" ?
-data.targetWidth :
0,
offset = -2 * data.offset[ 0 ],
newOverRight,
newOverLeft;
if ( overLeft < 0 ) {
newOverRight = position.left + myOffset + atOffset + offset + data.collisionWidth - outerWidth - withinOffset;
if ( newOverRight < 0 || newOverRight < abs( overLeft ) ) {
position.left += myOffset + atOffset + offset;
}
}
else if ( overRight > 0 ) {
newOverLeft = position.left - data.collisionPosition.marginLeft + myOffset + atOffset + offset - offsetLeft;
if ( newOverLeft > 0 || abs( newOverLeft ) < overRight ) {
position.left += myOffset + atOffset + offset;
}
}
},
top: function( position, data ) {
var within = data.within,
withinOffset = within.offset.top + within.scrollTop,
outerHeight = within.height,
offsetTop = within.isWindow ? within.scrollTop : within.offset.top,
collisionPosTop = position.top - data.collisionPosition.marginTop,
overTop = collisionPosTop - offsetTop,
overBottom = collisionPosTop + data.collisionHeight - outerHeight - offsetTop,
top = data.my[ 1 ] === "top",
myOffset = top ?
-data.elemHeight :
data.my[ 1 ] === "bottom" ?
data.elemHeight :
0,
atOffset = data.at[ 1 ] === "top" ?
data.targetHeight :
data.at[ 1 ] === "bottom" ?
-data.targetHeight :
0,
offset = -2 * data.offset[ 1 ],
newOverTop,
newOverBottom;
if ( overTop < 0 ) {
newOverBottom = position.top + myOffset + atOffset + offset + data.collisionHeight - outerHeight - withinOffset;
if ( ( position.top + myOffset + atOffset + offset) > overTop && ( newOverBottom < 0 || newOverBottom < abs( overTop ) ) ) {
position.top += myOffset + atOffset + offset;
}
}
else if ( overBottom > 0 ) {
newOverTop = position.top - data.collisionPosition.marginTop + myOffset + atOffset + offset - offsetTop;
if ( ( position.top + myOffset + atOffset + offset) > overBottom && ( newOverTop > 0 || abs( newOverTop ) < overBottom ) ) {
position.top += myOffset + atOffset + offset;
}
}
}
},
flipfit: {
left: function() {
$.ui.position.flip.left.apply( this, arguments );
$.ui.position.fit.left.apply( this, arguments );
},
top: function() {
$.ui.position.flip.top.apply( this, arguments );
$.ui.position.fit.top.apply( this, arguments );
}
}
};
// fraction support test
(function () {
var testElement, testElementParent, testElementStyle, offsetLeft, i,
body = document.getElementsByTagName( "body" )[ 0 ],
div = document.createElement( "div" );
//Create a "fake body" for testing based on method used in jQuery.support
testElement = document.createElement( body ? "div" : "body" );
testElementStyle = {
visibility: "hidden",
width: 0,
height: 0,
border: 0,
margin: 0,
background: "none"
};
if ( body ) {
$.extend( testElementStyle, {
position: "absolute",
left: "-1000px",
top: "-1000px"
});
}
for ( i in testElementStyle ) {
testElement.style[ i ] = testElementStyle[ i ];
}
testElement.appendChild( div );
testElementParent = body || document.documentElement;
testElementParent.insertBefore( testElement, testElementParent.firstChild );
div.style.cssText = "position: absolute; left: 10.7432222px;";
offsetLeft = $( div ).offset().left;
$.support.offsetFractions = offsetLeft > 10 && offsetLeft < 11;
testElement.innerHTML = "";
testElementParent.removeChild( testElement );
})();
// DEPRECATED
if ( $.uiBackCompat !== false ) {
// offset option
(function( $ ) {
var _position = $.fn.position;
$.fn.position = function( options ) {
if ( !options || !options.offset ) {
return _position.call( this, options );
}
var offset = options.offset.split( " " ),
at = options.at.split( " " );
if ( offset.length === 1 ) {
offset[ 1 ] = offset[ 0 ];
}
if ( /^\d/.test( offset[ 0 ] ) ) {
offset[ 0 ] = "+" + offset[ 0 ];
}
if ( /^\d/.test( offset[ 1 ] ) ) {
offset[ 1 ] = "+" + offset[ 1 ];
}
if ( at.length === 1 ) {
if ( /left|center|right/.test( at[ 0 ] ) ) {
at[ 1 ] = "center";
} else {
at[ 1 ] = at[ 0 ];
at[ 0 ] = "center";
}
}
return _position.call( this, $.extend( options, {
at: at[ 0 ] + offset[ 0 ] + " " + at[ 1 ] + offset[ 1 ],
offset: undefined
} ) );
};
}( jQuery ) );
}
}( jQuery ) );
(function( $, undefined ) {
$.widget("ui.draggable", $.ui.mouse, {
version: "1.9.1",
widgetEventPrefix: "drag",
options: {
addClasses: true,
appendTo: "parent",
axis: false,
connectToSortable: false,
containment: false,
cursor: "auto",
cursorAt: false,
grid: false,
handle: false,
helper: "original",
iframeFix: false,
opacity: false,
refreshPositions: false,
revert: false,
revertDuration: 500,
scope: "default",
scroll: true,
scrollSensitivity: 20,
scrollSpeed: 20,
snap: false,
snapMode: "both",
snapTolerance: 20,
stack: false,
zIndex: false
},
_create: function() {
if (this.options.helper == 'original' && !(/^(?:r|a|f)/).test(this.element.css("position")))
this.element[0].style.position = 'relative';
(this.options.addClasses && this.element.addClass("ui-draggable"));
(this.options.disabled && this.element.addClass("ui-draggable-disabled"));
this._mouseInit();
},
_destroy: function() {
this.element.removeClass( "ui-draggable ui-draggable-dragging ui-draggable-disabled" );
this._mouseDestroy();
},
_mouseCapture: function(event) {
var o = this.options;
// among others, prevent a drag on a resizable-handle
if (this.helper || o.disabled || $(event.target).is('.ui-resizable-handle'))
return false;
//Quit if we're not on a valid handle
this.handle = this._getHandle(event);
if (!this.handle)
return false;
$(o.iframeFix === true ? "iframe" : o.iframeFix).each(function() {
$('
')
.css({
width: this.offsetWidth+"px", height: this.offsetHeight+"px",
position: "absolute", opacity: "0.001", zIndex: 1000
})
.css($(this).offset())
.appendTo("body");
});
return true;
},
_mouseStart: function(event) {
var o = this.options;
//Create and append the visible helper
this.helper = this._createHelper(event);
this.helper.addClass("ui-draggable-dragging");
//Cache the helper size
this._cacheHelperProportions();
//If ddmanager is used for droppables, set the global draggable
if($.ui.ddmanager)
$.ui.ddmanager.current = this;
/*
* - Position generation -
* This block generates everything position related - it's the core of draggables.
*/
//Cache the margins of the original element
this._cacheMargins();
//Store the helper's css position
this.cssPosition = this.helper.css("position");
this.scrollParent = this.helper.scrollParent();
//The element's absolute position on the page minus margins
this.offset = this.positionAbs = this.element.offset();
this.offset = {
top: this.offset.top - this.margins.top,
left: this.offset.left - this.margins.left
};
$.extend(this.offset, {
click: { //Where the click happened, relative to the element
left: event.pageX - this.offset.left,
top: event.pageY - this.offset.top
},
parent: this._getParentOffset(),
relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper
});
//Generate the original position
this.originalPosition = this.position = this._generatePosition(event);
this.originalPageX = event.pageX;
this.originalPageY = event.pageY;
//Adjust the mouse offset relative to the helper if 'cursorAt' is supplied
(o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt));
//Set a containment if given in the options
if(o.containment)
this._setContainment();
//Trigger event + callbacks
if(this._trigger("start", event) === false) {
this._clear();
return false;
}
//Recache the helper size
this._cacheHelperProportions();
//Prepare the droppable offsets
if ($.ui.ddmanager && !o.dropBehaviour)
$.ui.ddmanager.prepareOffsets(this, event);
this._mouseDrag(event, true); //Execute the drag once - this causes the helper not to be visible before getting its correct position
//If the ddmanager is used for droppables, inform the manager that dragging has started (see #5003)
if ( $.ui.ddmanager ) $.ui.ddmanager.dragStart(this, event);
return true;
},
_mouseDrag: function(event, noPropagation) {
//Compute the helpers position
this.position = this._generatePosition(event);
this.positionAbs = this._convertPositionTo("absolute");
//Call plugins and callbacks and use the resulting position if something is returned
if (!noPropagation) {
var ui = this._uiHash();
if(this._trigger('drag', event, ui) === false) {
this._mouseUp({});
return false;
}
this.position = ui.position;
}
if(!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left+'px';
if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px';
if($.ui.ddmanager) $.ui.ddmanager.drag(this, event);
return false;
},
_mouseStop: function(event) {
//If we are using droppables, inform the manager about the drop
var dropped = false;
if ($.ui.ddmanager && !this.options.dropBehaviour)
dropped = $.ui.ddmanager.drop(this, event);
//if a drop comes from outside (a sortable)
if(this.dropped) {
dropped = this.dropped;
this.dropped = false;
}
//if the original element is no longer in the DOM don't bother to continue (see #8269)
var element = this.element[0], elementInDom = false;
while ( element && (element = element.parentNode) ) {
if (element == document ) {
elementInDom = true;
}
}
if ( !elementInDom && this.options.helper === "original" )
return false;
if((this.options.revert == "invalid" && !dropped) || (this.options.revert == "valid" && dropped) || this.options.revert === true || ($.isFunction(this.options.revert) && this.options.revert.call(this.element, dropped))) {
var that = this;
$(this.helper).animate(this.originalPosition, parseInt(this.options.revertDuration, 10), function() {
if(that._trigger("stop", event) !== false) {
that._clear();
}
});
} else {
if(this._trigger("stop", event) !== false) {
this._clear();
}
}
return false;
},
_mouseUp: function(event) {
//Remove frame helpers
$("div.ui-draggable-iframeFix").each(function() {
this.parentNode.removeChild(this);
});
//If the ddmanager is used for droppables, inform the manager that dragging has stopped (see #5003)
if( $.ui.ddmanager ) $.ui.ddmanager.dragStop(this, event);
return $.ui.mouse.prototype._mouseUp.call(this, event);
},
cancel: function() {
if(this.helper.is(".ui-draggable-dragging")) {
this._mouseUp({});
} else {
this._clear();
}
return this;
},
_getHandle: function(event) {
var handle = !this.options.handle || !$(this.options.handle, this.element).length ? true : false;
$(this.options.handle, this.element)
.find("*")
.andSelf()
.each(function() {
if(this == event.target) handle = true;
});
return handle;
},
_createHelper: function(event) {
var o = this.options;
var helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event])) : (o.helper == 'clone' ? this.element.clone().removeAttr('id') : this.element);
if(!helper.parents('body').length)
helper.appendTo((o.appendTo == 'parent' ? this.element[0].parentNode : o.appendTo));
if(helper[0] != this.element[0] && !(/(fixed|absolute)/).test(helper.css("position")))
helper.css("position", "absolute");
return helper;
},
_adjustOffsetFromHelper: function(obj) {
if (typeof obj == 'string') {
obj = obj.split(' ');
}
if ($.isArray(obj)) {
obj = {left: +obj[0], top: +obj[1] || 0};
}
if ('left' in obj) {
this.offset.click.left = obj.left + this.margins.left;
}
if ('right' in obj) {
this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
}
if ('top' in obj) {
this.offset.click.top = obj.top + this.margins.top;
}
if ('bottom' in obj) {
this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
}
},
_getParentOffset: function() {
//Get the offsetParent and cache its position
this.offsetParent = this.helper.offsetParent();
var po = this.offsetParent.offset();
// This is a special case where we need to modify a offset calculated on start, since the following happened:
// 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
// the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
if(this.cssPosition == 'absolute' && this.scrollParent[0] != document && $.contains(this.scrollParent[0], this.offsetParent[0])) {
po.left += this.scrollParent.scrollLeft();
po.top += this.scrollParent.scrollTop();
}
if((this.offsetParent[0] == document.body) //This needs to be actually done for all browsers, since pageX/pageY includes this information
|| (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() == 'html' && $.ui.ie)) //Ugly IE fix
po = { top: 0, left: 0 };
return {
top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),
left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)
};
},
_getRelativeOffset: function() {
if(this.cssPosition == "relative") {
var p = this.element.position();
return {
top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(),
left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft()
};
} else {
return { top: 0, left: 0 };
}
},
_cacheMargins: function() {
this.margins = {
left: (parseInt(this.element.css("marginLeft"),10) || 0),
top: (parseInt(this.element.css("marginTop"),10) || 0),
right: (parseInt(this.element.css("marginRight"),10) || 0),
bottom: (parseInt(this.element.css("marginBottom"),10) || 0)
};
},
_cacheHelperProportions: function() {
this.helperProportions = {
width: this.helper.outerWidth(),
height: this.helper.outerHeight()
};
},
_setContainment: function() {
var o = this.options;
if(o.containment == 'parent') o.containment = this.helper[0].parentNode;
if(o.containment == 'document' || o.containment == 'window') this.containment = [
o.containment == 'document' ? 0 : $(window).scrollLeft() - this.offset.relative.left - this.offset.parent.left,
o.containment == 'document' ? 0 : $(window).scrollTop() - this.offset.relative.top - this.offset.parent.top,
(o.containment == 'document' ? 0 : $(window).scrollLeft()) + $(o.containment == 'document' ? document : window).width() - this.helperProportions.width - this.margins.left,
(o.containment == 'document' ? 0 : $(window).scrollTop()) + ($(o.containment == 'document' ? document : window).height() || document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top
];
if(!(/^(document|window|parent)$/).test(o.containment) && o.containment.constructor != Array) {
var c = $(o.containment);
var ce = c[0]; if(!ce) return;
var co = c.offset();
var over = ($(ce).css("overflow") != 'hidden');
this.containment = [
(parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0),
(parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0),
(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left - this.margins.right,
(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top - this.margins.bottom
];
this.relative_container = c;
} else if(o.containment.constructor == Array) {
this.containment = o.containment;
}
},
_convertPositionTo: function(d, pos) {
if(!pos) pos = this.position;
var mod = d == "absolute" ? 1 : -1;
var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
return {
top: (
pos.top // The absolute mouse position
+ this.offset.relative.top * mod // Only for relative positioned nodes: Relative offset from element to offset parent
+ this.offset.parent.top * mod // The offsetParent's offset without borders (offset + border)
- ( ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod)
),
left: (
pos.left // The absolute mouse position
+ this.offset.relative.left * mod // Only for relative positioned nodes: Relative offset from element to offset parent
+ this.offset.parent.left * mod // The offsetParent's offset without borders (offset + border)
- ( ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod)
)
};
},
_generatePosition: function(event) {
var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
var pageX = event.pageX;
var pageY = event.pageY;
/*
* - Position constraining -
* Constrain the position to a mix of grid, containment.
*/
if(this.originalPosition) { //If we are not dragging yet, we won't check for options
var containment;
if(this.containment) {
if (this.relative_container){
var co = this.relative_container.offset();
containment = [ this.containment[0] + co.left,
this.containment[1] + co.top,
this.containment[2] + co.left,
this.containment[3] + co.top ];
}
else {
containment = this.containment;
}
if(event.pageX - this.offset.click.left < containment[0]) pageX = containment[0] + this.offset.click.left;
if(event.pageY - this.offset.click.top < containment[1]) pageY = containment[1] + this.offset.click.top;
if(event.pageX - this.offset.click.left > containment[2]) pageX = containment[2] + this.offset.click.left;
if(event.pageY - this.offset.click.top > containment[3]) pageY = containment[3] + this.offset.click.top;
}
if(o.grid) {
//Check for grid elements set to 0 to prevent divide by 0 error causing invalid argument errors in IE (see ticket #6950)
var top = o.grid[1] ? this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1] : this.originalPageY;
pageY = containment ? (!(top - this.offset.click.top < containment[1] || top - this.offset.click.top > containment[3]) ? top : (!(top - this.offset.click.top < containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;
var left = o.grid[0] ? this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0] : this.originalPageX;
pageX = containment ? (!(left - this.offset.click.left < containment[0] || left - this.offset.click.left > containment[2]) ? left : (!(left - this.offset.click.left < containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
}
}
return {
top: (
pageY // The absolute mouse position
- this.offset.click.top // Click offset (relative to the element)
- this.offset.relative.top // Only for relative positioned nodes: Relative offset from element to offset parent
- this.offset.parent.top // The offsetParent's offset without borders (offset + border)
+ ( ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ))
),
left: (
pageX // The absolute mouse position
- this.offset.click.left // Click offset (relative to the element)
- this.offset.relative.left // Only for relative positioned nodes: Relative offset from element to offset parent
- this.offset.parent.left // The offsetParent's offset without borders (offset + border)
+ ( ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
)
};
},
_clear: function() {
this.helper.removeClass("ui-draggable-dragging");
if(this.helper[0] != this.element[0] && !this.cancelHelperRemoval) this.helper.remove();
//if($.ui.ddmanager) $.ui.ddmanager.current = null;
this.helper = null;
this.cancelHelperRemoval = false;
},
// From now on bulk stuff - mainly helpers
_trigger: function(type, event, ui) {
ui = ui || this._uiHash();
$.ui.plugin.call(this, type, [event, ui]);
if(type == "drag") this.positionAbs = this._convertPositionTo("absolute"); //The absolute position has to be recalculated after plugins
return $.Widget.prototype._trigger.call(this, type, event, ui);
},
plugins: {},
_uiHash: function(event) {
return {
helper: this.helper,
position: this.position,
originalPosition: this.originalPosition,
offset: this.positionAbs
};
}
});
$.ui.plugin.add("draggable", "connectToSortable", {
start: function(event, ui) {
var inst = $(this).data("draggable"), o = inst.options,
uiSortable = $.extend({}, ui, { item: inst.element });
inst.sortables = [];
$(o.connectToSortable).each(function() {
var sortable = $.data(this, 'sortable');
if (sortable && !sortable.options.disabled) {
inst.sortables.push({
instance: sortable,
shouldRevert: sortable.options.revert
});
sortable.refreshPositions(); // Call the sortable's refreshPositions at drag start to refresh the containerCache since the sortable container cache is used in drag and needs to be up to date (this will ensure it's initialised as well as being kept in step with any changes that might have happened on the page).
sortable._trigger("activate", event, uiSortable);
}
});
},
stop: function(event, ui) {
//If we are still over the sortable, we fake the stop event of the sortable, but also remove helper
var inst = $(this).data("draggable"),
uiSortable = $.extend({}, ui, { item: inst.element });
$.each(inst.sortables, function() {
if(this.instance.isOver) {
this.instance.isOver = 0;
inst.cancelHelperRemoval = true; //Don't remove the helper in the draggable instance
this.instance.cancelHelperRemoval = false; //Remove it in the sortable instance (so sortable plugins like revert still work)
//The sortable revert is supported, and we have to set a temporary dropped variable on the draggable to support revert: 'valid/invalid'
if(this.shouldRevert) this.instance.options.revert = true;
//Trigger the stop of the sortable
this.instance._mouseStop(event);
this.instance.options.helper = this.instance.options._helper;
//If the helper has been the original item, restore properties in the sortable
if(inst.options.helper == 'original')
this.instance.currentItem.css({ top: 'auto', left: 'auto' });
} else {
this.instance.cancelHelperRemoval = false; //Remove the helper in the sortable instance
this.instance._trigger("deactivate", event, uiSortable);
}
});
},
drag: function(event, ui) {
var inst = $(this).data("draggable"), that = this;
var checkPos = function(o) {
var dyClick = this.offset.click.top, dxClick = this.offset.click.left;
var helperTop = this.positionAbs.top, helperLeft = this.positionAbs.left;
var itemHeight = o.height, itemWidth = o.width;
var itemTop = o.top, itemLeft = o.left;
return $.ui.isOver(helperTop + dyClick, helperLeft + dxClick, itemTop, itemLeft, itemHeight, itemWidth);
};
$.each(inst.sortables, function(i) {
var innermostIntersecting = false;
var thisSortable = this;
//Copy over some variables to allow calling the sortable's native _intersectsWith
this.instance.positionAbs = inst.positionAbs;
this.instance.helperProportions = inst.helperProportions;
this.instance.offset.click = inst.offset.click;
if(this.instance._intersectsWith(this.instance.containerCache)) {
innermostIntersecting = true;
$.each(inst.sortables, function () {
this.instance.positionAbs = inst.positionAbs;
this.instance.helperProportions = inst.helperProportions;
this.instance.offset.click = inst.offset.click;
if (this != thisSortable
&& this.instance._intersectsWith(this.instance.containerCache)
&& $.ui.contains(thisSortable.instance.element[0], this.instance.element[0]))
innermostIntersecting = false;
return innermostIntersecting;
});
}
if(innermostIntersecting) {
//If it intersects, we use a little isOver variable and set it once, so our move-in stuff gets fired only once
if(!this.instance.isOver) {
this.instance.isOver = 1;
//Now we fake the start of dragging for the sortable instance,
//by cloning the list group item, appending it to the sortable and using it as inst.currentItem
//We can then fire the start event of the sortable with our passed browser event, and our own helper (so it doesn't create a new one)
this.instance.currentItem = $(that).clone().removeAttr('id').appendTo(this.instance.element).data("sortable-item", true);
this.instance.options._helper = this.instance.options.helper; //Store helper option to later restore it
this.instance.options.helper = function() { return ui.helper[0]; };
event.target = this.instance.currentItem[0];
this.instance._mouseCapture(event, true);
this.instance._mouseStart(event, true, true);
//Because the browser event is way off the new appended portlet, we modify a couple of variables to reflect the changes
this.instance.offset.click.top = inst.offset.click.top;
this.instance.offset.click.left = inst.offset.click.left;
this.instance.offset.parent.left -= inst.offset.parent.left - this.instance.offset.parent.left;
this.instance.offset.parent.top -= inst.offset.parent.top - this.instance.offset.parent.top;
inst._trigger("toSortable", event);
inst.dropped = this.instance.element; //draggable revert needs that
//hack so receive/update callbacks work (mostly)
inst.currentItem = inst.element;
this.instance.fromOutside = inst;
}
//Provided we did all the previous steps, we can fire the drag event of the sortable on every draggable drag, when it intersects with the sortable
if(this.instance.currentItem) this.instance._mouseDrag(event);
} else {
//If it doesn't intersect with the sortable, and it intersected before,
//we fake the drag stop of the sortable, but make sure it doesn't remove the helper by using cancelHelperRemoval
if(this.instance.isOver) {
this.instance.isOver = 0;
this.instance.cancelHelperRemoval = true;
//Prevent reverting on this forced stop
this.instance.options.revert = false;
// The out event needs to be triggered independently
this.instance._trigger('out', event, this.instance._uiHash(this.instance));
this.instance._mouseStop(event, true);
this.instance.options.helper = this.instance.options._helper;
//Now we remove our currentItem, the list group clone again, and the placeholder, and animate the helper back to it's original size
this.instance.currentItem.remove();
if(this.instance.placeholder) this.instance.placeholder.remove();
inst._trigger("fromSortable", event);
inst.dropped = false; //draggable revert needs that
}
};
});
}
});
$.ui.plugin.add("draggable", "cursor", {
start: function(event, ui) {
var t = $('body'), o = $(this).data('draggable').options;
if (t.css("cursor")) o._cursor = t.css("cursor");
t.css("cursor", o.cursor);
},
stop: function(event, ui) {
var o = $(this).data('draggable').options;
if (o._cursor) $('body').css("cursor", o._cursor);
}
});
$.ui.plugin.add("draggable", "opacity", {
start: function(event, ui) {
var t = $(ui.helper), o = $(this).data('draggable').options;
if(t.css("opacity")) o._opacity = t.css("opacity");
t.css('opacity', o.opacity);
},
stop: function(event, ui) {
var o = $(this).data('draggable').options;
if(o._opacity) $(ui.helper).css('opacity', o._opacity);
}
});
$.ui.plugin.add("draggable", "scroll", {
start: function(event, ui) {
var i = $(this).data("draggable");
if(i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') i.overflowOffset = i.scrollParent.offset();
},
drag: function(event, ui) {
var i = $(this).data("draggable"), o = i.options, scrolled = false;
if(i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') {
if(!o.axis || o.axis != 'x') {
if((i.overflowOffset.top + i.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity)
i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop + o.scrollSpeed;
else if(event.pageY - i.overflowOffset.top < o.scrollSensitivity)
i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop - o.scrollSpeed;
}
if(!o.axis || o.axis != 'y') {
if((i.overflowOffset.left + i.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity)
i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft + o.scrollSpeed;
else if(event.pageX - i.overflowOffset.left < o.scrollSensitivity)
i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft - o.scrollSpeed;
}
} else {
if(!o.axis || o.axis != 'x') {
if(event.pageY - $(document).scrollTop() < o.scrollSensitivity)
scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity)
scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
}
if(!o.axis || o.axis != 'y') {
if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity)
scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity)
scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
}
}
if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour)
$.ui.ddmanager.prepareOffsets(i, event);
}
});
$.ui.plugin.add("draggable", "snap", {
start: function(event, ui) {
var i = $(this).data("draggable"), o = i.options;
i.snapElements = [];
$(o.snap.constructor != String ? ( o.snap.items || ':data(draggable)' ) : o.snap).each(function() {
var $t = $(this); var $o = $t.offset();
if(this != i.element[0]) i.snapElements.push({
item: this,
width: $t.outerWidth(), height: $t.outerHeight(),
top: $o.top, left: $o.left
});
});
},
drag: function(event, ui) {
var inst = $(this).data("draggable"), o = inst.options;
var d = o.snapTolerance;
var x1 = ui.offset.left, x2 = x1 + inst.helperProportions.width,
y1 = ui.offset.top, y2 = y1 + inst.helperProportions.height;
for (var i = inst.snapElements.length - 1; i >= 0; i--){
var l = inst.snapElements[i].left, r = l + inst.snapElements[i].width,
t = inst.snapElements[i].top, b = t + inst.snapElements[i].height;
//Yes, I know, this is insane ;)
if(!((l-d < x1 && x1 < r+d && t-d < y1 && y1 < b+d) || (l-d < x1 && x1 < r+d && t-d < y2 && y2 < b+d) || (l-d < x2 && x2 < r+d && t-d < y1 && y1 < b+d) || (l-d < x2 && x2 < r+d && t-d < y2 && y2 < b+d))) {
if(inst.snapElements[i].snapping) (inst.options.snap.release && inst.options.snap.release.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item })));
inst.snapElements[i].snapping = false;
continue;
}
if(o.snapMode != 'inner') {
var ts = Math.abs(t - y2) <= d;
var bs = Math.abs(b - y1) <= d;
var ls = Math.abs(l - x2) <= d;
var rs = Math.abs(r - x1) <= d;
if(ts) ui.position.top = inst._convertPositionTo("relative", { top: t - inst.helperProportions.height, left: 0 }).top - inst.margins.top;
if(bs) ui.position.top = inst._convertPositionTo("relative", { top: b, left: 0 }).top - inst.margins.top;
if(ls) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l - inst.helperProportions.width }).left - inst.margins.left;
if(rs) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r }).left - inst.margins.left;
}
var first = (ts || bs || ls || rs);
if(o.snapMode != 'outer') {
var ts = Math.abs(t - y1) <= d;
var bs = Math.abs(b - y2) <= d;
var ls = Math.abs(l - x1) <= d;
var rs = Math.abs(r - x2) <= d;
if(ts) ui.position.top = inst._convertPositionTo("relative", { top: t, left: 0 }).top - inst.margins.top;
if(bs) ui.position.top = inst._convertPositionTo("relative", { top: b - inst.helperProportions.height, left: 0 }).top - inst.margins.top;
if(ls) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l }).left - inst.margins.left;
if(rs) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r - inst.helperProportions.width }).left - inst.margins.left;
}
if(!inst.snapElements[i].snapping && (ts || bs || ls || rs || first))
(inst.options.snap.snap && inst.options.snap.snap.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item })));
inst.snapElements[i].snapping = (ts || bs || ls || rs || first);
};
}
});
$.ui.plugin.add("draggable", "stack", {
start: function(event, ui) {
var o = $(this).data("draggable").options;
var group = $.makeArray($(o.stack)).sort(function(a,b) {
return (parseInt($(a).css("zIndex"),10) || 0) - (parseInt($(b).css("zIndex"),10) || 0);
});
if (!group.length) { return; }
var min = parseInt(group[0].style.zIndex) || 0;
$(group).each(function(i) {
this.style.zIndex = min + i;
});
this[0].style.zIndex = min + group.length;
}
});
$.ui.plugin.add("draggable", "zIndex", {
start: function(event, ui) {
var t = $(ui.helper), o = $(this).data("draggable").options;
if(t.css("zIndex")) o._zIndex = t.css("zIndex");
t.css('zIndex', o.zIndex);
},
stop: function(event, ui) {
var o = $(this).data("draggable").options;
if(o._zIndex) $(ui.helper).css('zIndex', o._zIndex);
}
});
})(jQuery);
(function( $, undefined ) {
$.widget("ui.droppable", {
version: "1.9.1",
widgetEventPrefix: "drop",
options: {
accept: '*',
activeClass: false,
addClasses: true,
greedy: false,
hoverClass: false,
scope: 'default',
tolerance: 'intersect'
},
_create: function() {
var o = this.options, accept = o.accept;
this.isover = 0; this.isout = 1;
this.accept = $.isFunction(accept) ? accept : function(d) {
return d.is(accept);
};
//Store the droppable's proportions
this.proportions = { width: this.element[0].offsetWidth, height: this.element[0].offsetHeight };
// Add the reference and positions to the manager
$.ui.ddmanager.droppables[o.scope] = $.ui.ddmanager.droppables[o.scope] || [];
$.ui.ddmanager.droppables[o.scope].push(this);
(o.addClasses && this.element.addClass("ui-droppable"));
},
_destroy: function() {
var drop = $.ui.ddmanager.droppables[this.options.scope];
for ( var i = 0; i < drop.length; i++ )
if ( drop[i] == this )
drop.splice(i, 1);
this.element.removeClass("ui-droppable ui-droppable-disabled");
},
_setOption: function(key, value) {
if(key == 'accept') {
this.accept = $.isFunction(value) ? value : function(d) {
return d.is(value);
};
}
$.Widget.prototype._setOption.apply(this, arguments);
},
_activate: function(event) {
var draggable = $.ui.ddmanager.current;
if(this.options.activeClass) this.element.addClass(this.options.activeClass);
(draggable && this._trigger('activate', event, this.ui(draggable)));
},
_deactivate: function(event) {
var draggable = $.ui.ddmanager.current;
if(this.options.activeClass) this.element.removeClass(this.options.activeClass);
(draggable && this._trigger('deactivate', event, this.ui(draggable)));
},
_over: function(event) {
var draggable = $.ui.ddmanager.current;
if (!draggable || (draggable.currentItem || draggable.element)[0] == this.element[0]) return; // Bail if draggable and droppable are same element
if (this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
if(this.options.hoverClass) this.element.addClass(this.options.hoverClass);
this._trigger('over', event, this.ui(draggable));
}
},
_out: function(event) {
var draggable = $.ui.ddmanager.current;
if (!draggable || (draggable.currentItem || draggable.element)[0] == this.element[0]) return; // Bail if draggable and droppable are same element
if (this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
if(this.options.hoverClass) this.element.removeClass(this.options.hoverClass);
this._trigger('out', event, this.ui(draggable));
}
},
_drop: function(event,custom) {
var draggable = custom || $.ui.ddmanager.current;
if (!draggable || (draggable.currentItem || draggable.element)[0] == this.element[0]) return false; // Bail if draggable and droppable are same element
var childrenIntersection = false;
this.element.find(":data(droppable)").not(".ui-draggable-dragging").each(function() {
var inst = $.data(this, 'droppable');
if(
inst.options.greedy
&& !inst.options.disabled
&& inst.options.scope == draggable.options.scope
&& inst.accept.call(inst.element[0], (draggable.currentItem || draggable.element))
&& $.ui.intersect(draggable, $.extend(inst, { offset: inst.element.offset() }), inst.options.tolerance)
) { childrenIntersection = true; return false; }
});
if(childrenIntersection) return false;
if(this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
if(this.options.activeClass) this.element.removeClass(this.options.activeClass);
if(this.options.hoverClass) this.element.removeClass(this.options.hoverClass);
this._trigger('drop', event, this.ui(draggable));
return this.element;
}
return false;
},
ui: function(c) {
return {
draggable: (c.currentItem || c.element),
helper: c.helper,
position: c.position,
offset: c.positionAbs
};
}
});
$.ui.intersect = function(draggable, droppable, toleranceMode) {
if (!droppable.offset) return false;
var x1 = (draggable.positionAbs || draggable.position.absolute).left, x2 = x1 + draggable.helperProportions.width,
y1 = (draggable.positionAbs || draggable.position.absolute).top, y2 = y1 + draggable.helperProportions.height;
var l = droppable.offset.left, r = l + droppable.proportions.width,
t = droppable.offset.top, b = t + droppable.proportions.height;
switch (toleranceMode) {
case 'fit':
return (l <= x1 && x2 <= r
&& t <= y1 && y2 <= b);
break;
case 'intersect':
return (l < x1 + (draggable.helperProportions.width / 2) // Right Half
&& x2 - (draggable.helperProportions.width / 2) < r // Left Half
&& t < y1 + (draggable.helperProportions.height / 2) // Bottom Half
&& y2 - (draggable.helperProportions.height / 2) < b ); // Top Half
break;
case 'pointer':
var draggableLeft = ((draggable.positionAbs || draggable.position.absolute).left + (draggable.clickOffset || draggable.offset.click).left),
draggableTop = ((draggable.positionAbs || draggable.position.absolute).top + (draggable.clickOffset || draggable.offset.click).top),
isOver = $.ui.isOver(draggableTop, draggableLeft, t, l, droppable.proportions.height, droppable.proportions.width);
return isOver;
break;
case 'touch':
return (
(y1 >= t && y1 <= b) || // Top edge touching
(y2 >= t && y2 <= b) || // Bottom edge touching
(y1 < t && y2 > b) // Surrounded vertically
) && (
(x1 >= l && x1 <= r) || // Left edge touching
(x2 >= l && x2 <= r) || // Right edge touching
(x1 < l && x2 > r) // Surrounded horizontally
);
break;
default:
return false;
break;
}
};
/*
This manager tracks offsets of draggables and droppables
*/
$.ui.ddmanager = {
current: null,
droppables: { 'default': [] },
prepareOffsets: function(t, event) {
var m = $.ui.ddmanager.droppables[t.options.scope] || [];
var type = event ? event.type : null; // workaround for #2317
var list = (t.currentItem || t.element).find(":data(droppable)").andSelf();
droppablesLoop: for (var i = 0; i < m.length; i++) {
if(m[i].options.disabled || (t && !m[i].accept.call(m[i].element[0],(t.currentItem || t.element)))) continue; //No disabled and non-accepted
for (var j=0; j < list.length; j++) { if(list[j] == m[i].element[0]) { m[i].proportions.height = 0; continue droppablesLoop; } }; //Filter out elements in the current dragged item
m[i].visible = m[i].element.css("display") != "none"; if(!m[i].visible) continue; //If the element is not visible, continue
if(type == "mousedown") m[i]._activate.call(m[i], event); //Activate the droppable if used directly from draggables
m[i].offset = m[i].element.offset();
m[i].proportions = { width: m[i].element[0].offsetWidth, height: m[i].element[0].offsetHeight };
}
},
drop: function(draggable, event) {
var dropped = false;
$.each($.ui.ddmanager.droppables[draggable.options.scope] || [], function() {
if(!this.options) return;
if (!this.options.disabled && this.visible && $.ui.intersect(draggable, this, this.options.tolerance))
dropped = this._drop.call(this, event) || dropped;
if (!this.options.disabled && this.visible && this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
this.isout = 1; this.isover = 0;
this._deactivate.call(this, event);
}
});
return dropped;
},
dragStart: function( draggable, event ) {
//Listen for scrolling so that if the dragging causes scrolling the position of the droppables can be recalculated (see #5003)
draggable.element.parentsUntil( "body" ).bind( "scroll.droppable", function() {
if( !draggable.options.refreshPositions ) $.ui.ddmanager.prepareOffsets( draggable, event );
});
},
drag: function(draggable, event) {
//If you have a highly dynamic page, you might try this option. It renders positions every time you move the mouse.
if(draggable.options.refreshPositions) $.ui.ddmanager.prepareOffsets(draggable, event);
//Run through all droppables and check their positions based on specific tolerance options
$.each($.ui.ddmanager.droppables[draggable.options.scope] || [], function() {
if(this.options.disabled || this.greedyChild || !this.visible) return;
var intersects = $.ui.intersect(draggable, this, this.options.tolerance);
var c = !intersects && this.isover == 1 ? 'isout' : (intersects && this.isover == 0 ? 'isover' : null);
if(!c) return;
var parentInstance;
if (this.options.greedy) {
// find droppable parents with same scope
var scope = this.options.scope;
var parent = this.element.parents(':data(droppable)').filter(function () {
return $.data(this, 'droppable').options.scope === scope;
});
if (parent.length) {
parentInstance = $.data(parent[0], 'droppable');
parentInstance.greedyChild = (c == 'isover' ? 1 : 0);
}
}
// we just moved into a greedy child
if (parentInstance && c == 'isover') {
parentInstance['isover'] = 0;
parentInstance['isout'] = 1;
parentInstance._out.call(parentInstance, event);
}
this[c] = 1; this[c == 'isout' ? 'isover' : 'isout'] = 0;
this[c == "isover" ? "_over" : "_out"].call(this, event);
// we just moved out of a greedy child
if (parentInstance && c == 'isout') {
parentInstance['isout'] = 0;
parentInstance['isover'] = 1;
parentInstance._over.call(parentInstance, event);
}
});
},
dragStop: function( draggable, event ) {
draggable.element.parentsUntil( "body" ).unbind( "scroll.droppable" );
//Call prepareOffsets one final time since IE does not fire return scroll events when overflow was caused by drag (see #5003)
if( !draggable.options.refreshPositions ) $.ui.ddmanager.prepareOffsets( draggable, event );
}
};
})(jQuery);
(function( $, undefined ) {
$.widget("ui.sortable", $.ui.mouse, {
version: "1.9.1",
widgetEventPrefix: "sort",
ready: false,
options: {
appendTo: "parent",
axis: false,
connectWith: false,
containment: false,
cursor: 'auto',
cursorAt: false,
dropOnEmpty: true,
forcePlaceholderSize: false,
forceHelperSize: false,
grid: false,
handle: false,
helper: "original",
items: '> *',
opacity: false,
placeholder: false,
revert: false,
scroll: true,
scrollSensitivity: 20,
scrollSpeed: 20,
scope: "default",
tolerance: "intersect",
zIndex: 1000
},
_create: function() {
var o = this.options;
this.containerCache = {};
this.element.addClass("ui-sortable");
//Get the items
this.refresh();
//Let's determine if the items are being displayed horizontally
this.floating = this.items.length ? o.axis === 'x' || (/left|right/).test(this.items[0].item.css('float')) || (/inline|table-cell/).test(this.items[0].item.css('display')) : false;
//Let's determine the parent's offset
this.offset = this.element.offset();
//Initialize mouse events for interaction
this._mouseInit();
//We're ready to go
this.ready = true
},
_destroy: function() {
this.element
.removeClass("ui-sortable ui-sortable-disabled");
this._mouseDestroy();
for ( var i = this.items.length - 1; i >= 0; i-- )
this.items[i].item.removeData(this.widgetName + "-item");
return this;
},
_setOption: function(key, value){
if ( key === "disabled" ) {
this.options[ key ] = value;
this.widget().toggleClass( "ui-sortable-disabled", !!value );
} else {
// Don't call widget base _setOption for disable as it adds ui-state-disabled class
$.Widget.prototype._setOption.apply(this, arguments);
}
},
_mouseCapture: function(event, overrideHandle) {
var that = this;
if (this.reverting) {
return false;
}
if(this.options.disabled || this.options.type == 'static') return false;
//We have to refresh the items data once first
this._refreshItems(event);
//Find out if the clicked node (or one of its parents) is a actual item in this.items
var currentItem = null, nodes = $(event.target).parents().each(function() {
if($.data(this, that.widgetName + '-item') == that) {
currentItem = $(this);
return false;
}
});
if($.data(event.target, that.widgetName + '-item') == that) currentItem = $(event.target);
if(!currentItem) return false;
if(this.options.handle && !overrideHandle) {
var validHandle = false;
$(this.options.handle, currentItem).find("*").andSelf().each(function() { if(this == event.target) validHandle = true; });
if(!validHandle) return false;
}
this.currentItem = currentItem;
this._removeCurrentsFromItems();
return true;
},
_mouseStart: function(event, overrideHandle, noActivation) {
var o = this.options;
this.currentContainer = this;
//We only need to call refreshPositions, because the refreshItems call has been moved to mouseCapture
this.refreshPositions();
//Create and append the visible helper
this.helper = this._createHelper(event);
//Cache the helper size
this._cacheHelperProportions();
/*
* - Position generation -
* This block generates everything position related - it's the core of draggables.
*/
//Cache the margins of the original element
this._cacheMargins();
//Get the next scrolling parent
this.scrollParent = this.helper.scrollParent();
//The element's absolute position on the page minus margins
this.offset = this.currentItem.offset();
this.offset = {
top: this.offset.top - this.margins.top,
left: this.offset.left - this.margins.left
};
$.extend(this.offset, {
click: { //Where the click happened, relative to the element
left: event.pageX - this.offset.left,
top: event.pageY - this.offset.top
},
parent: this._getParentOffset(),
relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper
});
// Only after we got the offset, we can change the helper's position to absolute
// TODO: Still need to figure out a way to make relative sorting possible
this.helper.css("position", "absolute");
this.cssPosition = this.helper.css("position");
//Generate the original position
this.originalPosition = this._generatePosition(event);
this.originalPageX = event.pageX;
this.originalPageY = event.pageY;
//Adjust the mouse offset relative to the helper if 'cursorAt' is supplied
(o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt));
//Cache the former DOM position
this.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] };
//If the helper is not the original, hide the original so it's not playing any role during the drag, won't cause anything bad this way
if(this.helper[0] != this.currentItem[0]) {
this.currentItem.hide();
}
//Create the placeholder
this._createPlaceholder();
//Set a containment if given in the options
if(o.containment)
this._setContainment();
if(o.cursor) { // cursor option
if ($('body').css("cursor")) this._storedCursor = $('body').css("cursor");
$('body').css("cursor", o.cursor);
}
if(o.opacity) { // opacity option
if (this.helper.css("opacity")) this._storedOpacity = this.helper.css("opacity");
this.helper.css("opacity", o.opacity);
}
if(o.zIndex) { // zIndex option
if (this.helper.css("zIndex")) this._storedZIndex = this.helper.css("zIndex");
this.helper.css("zIndex", o.zIndex);
}
//Prepare scrolling
if(this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML')
this.overflowOffset = this.scrollParent.offset();
//Call callbacks
this._trigger("start", event, this._uiHash());
//Recache the helper size
if(!this._preserveHelperProportions)
this._cacheHelperProportions();
//Post 'activate' events to possible containers
if(!noActivation) {
for (var i = this.containers.length - 1; i >= 0; i--) { this.containers[i]._trigger("activate", event, this._uiHash(this)); }
}
//Prepare possible droppables
if($.ui.ddmanager)
$.ui.ddmanager.current = this;
if ($.ui.ddmanager && !o.dropBehaviour)
$.ui.ddmanager.prepareOffsets(this, event);
this.dragging = true;
this.helper.addClass("ui-sortable-helper");
this._mouseDrag(event); //Execute the drag once - this causes the helper not to be visible before getting its correct position
return true;
},
_mouseDrag: function(event) {
//Compute the helpers position
this.position = this._generatePosition(event);
this.positionAbs = this._convertPositionTo("absolute");
if (!this.lastPositionAbs) {
this.lastPositionAbs = this.positionAbs;
}
//Do scrolling
if(this.options.scroll) {
var o = this.options, scrolled = false;
if(this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML') {
if((this.overflowOffset.top + this.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity)
this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop + o.scrollSpeed;
else if(event.pageY - this.overflowOffset.top < o.scrollSensitivity)
this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop - o.scrollSpeed;
if((this.overflowOffset.left + this.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity)
this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft + o.scrollSpeed;
else if(event.pageX - this.overflowOffset.left < o.scrollSensitivity)
this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft - o.scrollSpeed;
} else {
if(event.pageY - $(document).scrollTop() < o.scrollSensitivity)
scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity)
scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity)
scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity)
scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
}
if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour)
$.ui.ddmanager.prepareOffsets(this, event);
}
//Regenerate the absolute position used for position checks
this.positionAbs = this._convertPositionTo("absolute");
//Set the helper position
if(!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left+'px';
if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px';
//Rearrange
for (var i = this.items.length - 1; i >= 0; i--) {
//Cache variables and intersection, continue if no intersection
var item = this.items[i], itemElement = item.item[0], intersection = this._intersectsWithPointer(item);
if (!intersection) continue;
// Only put the placeholder inside the current Container, skip all
// items form other containers. This works because when moving
// an item from one container to another the
// currentContainer is switched before the placeholder is moved.
//
// Without this moving items in "sub-sortables" can cause the placeholder to jitter
// beetween the outer and inner container.
if (item.instance !== this.currentContainer) continue;
if (itemElement != this.currentItem[0] //cannot intersect with itself
&& this.placeholder[intersection == 1 ? "next" : "prev"]()[0] != itemElement //no useless actions that have been done before
&& !$.contains(this.placeholder[0], itemElement) //no action if the item moved is the parent of the item checked
&& (this.options.type == 'semi-dynamic' ? !$.contains(this.element[0], itemElement) : true)
//&& itemElement.parentNode == this.placeholder[0].parentNode // only rearrange items within the same container
) {
this.direction = intersection == 1 ? "down" : "up";
if (this.options.tolerance == "pointer" || this._intersectsWithSides(item)) {
this._rearrange(event, item);
} else {
break;
}
this._trigger("change", event, this._uiHash());
break;
}
}
//Post events to containers
this._contactContainers(event);
//Interconnect with droppables
if($.ui.ddmanager) $.ui.ddmanager.drag(this, event);
//Call callbacks
this._trigger('sort', event, this._uiHash());
this.lastPositionAbs = this.positionAbs;
return false;
},
_mouseStop: function(event, noPropagation) {
if(!event) return;
//If we are using droppables, inform the manager about the drop
if ($.ui.ddmanager && !this.options.dropBehaviour)
$.ui.ddmanager.drop(this, event);
if(this.options.revert) {
var that = this;
var cur = this.placeholder.offset();
this.reverting = true;
$(this.helper).animate({
left: cur.left - this.offset.parent.left - this.margins.left + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft),
top: cur.top - this.offset.parent.top - this.margins.top + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop)
}, parseInt(this.options.revert, 10) || 500, function() {
that._clear(event);
});
} else {
this._clear(event, noPropagation);
}
return false;
},
cancel: function() {
if(this.dragging) {
this._mouseUp({ target: null });
if(this.options.helper == "original")
this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
else
this.currentItem.show();
//Post deactivating events to containers
for (var i = this.containers.length - 1; i >= 0; i--){
this.containers[i]._trigger("deactivate", null, this._uiHash(this));
if(this.containers[i].containerCache.over) {
this.containers[i]._trigger("out", null, this._uiHash(this));
this.containers[i].containerCache.over = 0;
}
}
}
if (this.placeholder) {
//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
if(this.placeholder[0].parentNode) this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
if(this.options.helper != "original" && this.helper && this.helper[0].parentNode) this.helper.remove();
$.extend(this, {
helper: null,
dragging: false,
reverting: false,
_noFinalSort: null
});
if(this.domPosition.prev) {
$(this.domPosition.prev).after(this.currentItem);
} else {
$(this.domPosition.parent).prepend(this.currentItem);
}
}
return this;
},
serialize: function(o) {
var items = this._getItemsAsjQuery(o && o.connected);
var str = []; o = o || {};
$(items).each(function() {
var res = ($(o.item || this).attr(o.attribute || 'id') || '').match(o.expression || (/(.+)[-=_](.+)/));
if(res) str.push((o.key || res[1]+'[]')+'='+(o.key && o.expression ? res[1] : res[2]));
});
if(!str.length && o.key) {
str.push(o.key + '=');
}
return str.join('&');
},
toArray: function(o) {
var items = this._getItemsAsjQuery(o && o.connected);
var ret = []; o = o || {};
items.each(function() { ret.push($(o.item || this).attr(o.attribute || 'id') || ''); });
return ret;
},
/* Be careful with the following core functions */
_intersectsWith: function(item) {
var x1 = this.positionAbs.left,
x2 = x1 + this.helperProportions.width,
y1 = this.positionAbs.top,
y2 = y1 + this.helperProportions.height;
var l = item.left,
r = l + item.width,
t = item.top,
b = t + item.height;
var dyClick = this.offset.click.top,
dxClick = this.offset.click.left;
var isOverElement = (y1 + dyClick) > t && (y1 + dyClick) < b && (x1 + dxClick) > l && (x1 + dxClick) < r;
if( this.options.tolerance == "pointer"
|| this.options.forcePointerForContainers
|| (this.options.tolerance != "pointer" && this.helperProportions[this.floating ? 'width' : 'height'] > item[this.floating ? 'width' : 'height'])
) {
return isOverElement;
} else {
return (l < x1 + (this.helperProportions.width / 2) // Right Half
&& x2 - (this.helperProportions.width / 2) < r // Left Half
&& t < y1 + (this.helperProportions.height / 2) // Bottom Half
&& y2 - (this.helperProportions.height / 2) < b ); // Top Half
}
},
_intersectsWithPointer: function(item) {
var isOverElementHeight = (this.options.axis === 'x') || $.ui.isOverAxis(this.positionAbs.top + this.offset.click.top, item.top, item.height),
isOverElementWidth = (this.options.axis === 'y') || $.ui.isOverAxis(this.positionAbs.left + this.offset.click.left, item.left, item.width),
isOverElement = isOverElementHeight && isOverElementWidth,
verticalDirection = this._getDragVerticalDirection(),
horizontalDirection = this._getDragHorizontalDirection();
if (!isOverElement)
return false;
return this.floating ?
( ((horizontalDirection && horizontalDirection == "right") || verticalDirection == "down") ? 2 : 1 )
: ( verticalDirection && (verticalDirection == "down" ? 2 : 1) );
},
_intersectsWithSides: function(item) {
var isOverBottomHalf = $.ui.isOverAxis(this.positionAbs.top + this.offset.click.top, item.top + (item.height/2), item.height),
isOverRightHalf = $.ui.isOverAxis(this.positionAbs.left + this.offset.click.left, item.left + (item.width/2), item.width),
verticalDirection = this._getDragVerticalDirection(),
horizontalDirection = this._getDragHorizontalDirection();
if (this.floating && horizontalDirection) {
return ((horizontalDirection == "right" && isOverRightHalf) || (horizontalDirection == "left" && !isOverRightHalf));
} else {
return verticalDirection && ((verticalDirection == "down" && isOverBottomHalf) || (verticalDirection == "up" && !isOverBottomHalf));
}
},
_getDragVerticalDirection: function() {
var delta = this.positionAbs.top - this.lastPositionAbs.top;
return delta != 0 && (delta > 0 ? "down" : "up");
},
_getDragHorizontalDirection: function() {
var delta = this.positionAbs.left - this.lastPositionAbs.left;
return delta != 0 && (delta > 0 ? "right" : "left");
},
refresh: function(event) {
this._refreshItems(event);
this.refreshPositions();
return this;
},
_connectWith: function() {
var options = this.options;
return options.connectWith.constructor == String
? [options.connectWith]
: options.connectWith;
},
_getItemsAsjQuery: function(connected) {
var items = [];
var queries = [];
var connectWith = this._connectWith();
if(connectWith && connected) {
for (var i = connectWith.length - 1; i >= 0; i--){
var cur = $(connectWith[i]);
for (var j = cur.length - 1; j >= 0; j--){
var inst = $.data(cur[j], this.widgetName);
if(inst && inst != this && !inst.options.disabled) {
queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element) : $(inst.options.items, inst.element).not(".ui-sortable-helper").not('.ui-sortable-placeholder'), inst]);
}
};
};
}
queries.push([$.isFunction(this.options.items) ? this.options.items.call(this.element, null, { options: this.options, item: this.currentItem }) : $(this.options.items, this.element).not(".ui-sortable-helper").not('.ui-sortable-placeholder'), this]);
for (var i = queries.length - 1; i >= 0; i--){
queries[i][0].each(function() {
items.push(this);
});
};
return $(items);
},
_removeCurrentsFromItems: function() {
var list = this.currentItem.find(":data(" + this.widgetName + "-item)");
this.items = $.grep(this.items, function (item) {
for (var j=0; j < list.length; j++) {
if(list[j] == item.item[0])
return false;
};
return true;
});
},
_refreshItems: function(event) {
this.items = [];
this.containers = [this];
var items = this.items;
var queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element[0], event, { item: this.currentItem }) : $(this.options.items, this.element), this]];
var connectWith = this._connectWith();
if(connectWith && this.ready) { //Shouldn't be run the first time through due to massive slow-down
for (var i = connectWith.length - 1; i >= 0; i--){
var cur = $(connectWith[i]);
for (var j = cur.length - 1; j >= 0; j--){
var inst = $.data(cur[j], this.widgetName);
if(inst && inst != this && !inst.options.disabled) {
queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element[0], event, { item: this.currentItem }) : $(inst.options.items, inst.element), inst]);
this.containers.push(inst);
}
};
};
}
for (var i = queries.length - 1; i >= 0; i--) {
var targetData = queries[i][1];
var _queries = queries[i][0];
for (var j=0, queriesLength = _queries.length; j < queriesLength; j++) {
var item = $(_queries[j]);
item.data(this.widgetName + '-item', targetData); // Data for target checking (mouse manager)
items.push({
item: item,
instance: targetData,
width: 0, height: 0,
left: 0, top: 0
});
};
};
},
refreshPositions: function(fast) {
//This has to be redone because due to the item being moved out/into the offsetParent, the offsetParent's position will change
if(this.offsetParent && this.helper) {
this.offset.parent = this._getParentOffset();
}
for (var i = this.items.length - 1; i >= 0; i--){
var item = this.items[i];
//We ignore calculating positions of all connected containers when we're not over them
if(item.instance != this.currentContainer && this.currentContainer && item.item[0] != this.currentItem[0])
continue;
var t = this.options.toleranceElement ? $(this.options.toleranceElement, item.item) : item.item;
if (!fast) {
item.width = t.outerWidth();
item.height = t.outerHeight();
}
var p = t.offset();
item.left = p.left;
item.top = p.top;
};
if(this.options.custom && this.options.custom.refreshContainers) {
this.options.custom.refreshContainers.call(this);
} else {
for (var i = this.containers.length - 1; i >= 0; i--){
var p = this.containers[i].element.offset();
this.containers[i].containerCache.left = p.left;
this.containers[i].containerCache.top = p.top;
this.containers[i].containerCache.width = this.containers[i].element.outerWidth();
this.containers[i].containerCache.height = this.containers[i].element.outerHeight();
};
}
return this;
},
_createPlaceholder: function(that) {
that = that || this;
var o = that.options;
if(!o.placeholder || o.placeholder.constructor == String) {
var className = o.placeholder;
o.placeholder = {
element: function() {
var el = $(document.createElement(that.currentItem[0].nodeName))
.addClass(className || that.currentItem[0].className+" ui-sortable-placeholder")
.removeClass("ui-sortable-helper")[0];
if(!className)
el.style.visibility = "hidden";
return el;
},
update: function(container, p) {
// 1. If a className is set as 'placeholder option, we don't force sizes - the class is responsible for that
// 2. The option 'forcePlaceholderSize can be enabled to force it even if a class name is specified
if(className && !o.forcePlaceholderSize) return;
//If the element doesn't have a actual height by itself (without styles coming from a stylesheet), it receives the inline height from the dragged item
if(!p.height()) { p.height(that.currentItem.innerHeight() - parseInt(that.currentItem.css('paddingTop')||0, 10) - parseInt(that.currentItem.css('paddingBottom')||0, 10)); };
if(!p.width()) { p.width(that.currentItem.innerWidth() - parseInt(that.currentItem.css('paddingLeft')||0, 10) - parseInt(that.currentItem.css('paddingRight')||0, 10)); };
}
};
}
//Create the placeholder
that.placeholder = $(o.placeholder.element.call(that.element, that.currentItem));
//Append it after the actual current item
that.currentItem.after(that.placeholder);
//Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
o.placeholder.update(that, that.placeholder);
},
_contactContainers: function(event) {
// get innermost container that intersects with item
var innermostContainer = null, innermostIndex = null;
for (var i = this.containers.length - 1; i >= 0; i--){
// never consider a container that's located within the item itself
if($.contains(this.currentItem[0], this.containers[i].element[0]))
continue;
if(this._intersectsWith(this.containers[i].containerCache)) {
// if we've already found a container and it's more "inner" than this, then continue
if(innermostContainer && $.contains(this.containers[i].element[0], innermostContainer.element[0]))
continue;
innermostContainer = this.containers[i];
innermostIndex = i;
} else {
// container doesn't intersect. trigger "out" event if necessary
if(this.containers[i].containerCache.over) {
this.containers[i]._trigger("out", event, this._uiHash(this));
this.containers[i].containerCache.over = 0;
}
}
}
// if no intersecting containers found, return
if(!innermostContainer) return;
// move the item into the container if it's not there already
if(this.containers.length === 1) {
this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
this.containers[innermostIndex].containerCache.over = 1;
} else {
//When entering a new container, we will find the item with the least distance and append our item near it
var dist = 10000; var itemWithLeastDistance = null;
var posProperty = this.containers[innermostIndex].floating ? 'left' : 'top';
var sizeProperty = this.containers[innermostIndex].floating ? 'width' : 'height';
var base = this.positionAbs[posProperty] + this.offset.click[posProperty];
for (var j = this.items.length - 1; j >= 0; j--) {
if(!$.contains(this.containers[innermostIndex].element[0], this.items[j].item[0])) continue;
if(this.items[j].item[0] == this.currentItem[0]) continue;
var cur = this.items[j].item.offset()[posProperty];
var nearBottom = false;
if(Math.abs(cur - base) > Math.abs(cur + this.items[j][sizeProperty] - base)){
nearBottom = true;
cur += this.items[j][sizeProperty];
}
if(Math.abs(cur - base) < dist) {
dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j];
this.direction = nearBottom ? "up": "down";
}
}
if(!itemWithLeastDistance && !this.options.dropOnEmpty) //Check if dropOnEmpty is enabled
return;
this.currentContainer = this.containers[innermostIndex];
itemWithLeastDistance ? this._rearrange(event, itemWithLeastDistance, null, true) : this._rearrange(event, null, this.containers[innermostIndex].element, true);
this._trigger("change", event, this._uiHash());
this.containers[innermostIndex]._trigger("change", event, this._uiHash(this));
//Update the placeholder
this.options.placeholder.update(this.currentContainer, this.placeholder);
this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
this.containers[innermostIndex].containerCache.over = 1;
}
},
_createHelper: function(event) {
var o = this.options;
var helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event, this.currentItem])) : (o.helper == 'clone' ? this.currentItem.clone() : this.currentItem);
if(!helper.parents('body').length) //Add the helper to the DOM if that didn't happen already
$(o.appendTo != 'parent' ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(helper[0]);
if(helper[0] == this.currentItem[0])
this._storedCSS = { width: this.currentItem[0].style.width, height: this.currentItem[0].style.height, position: this.currentItem.css("position"), top: this.currentItem.css("top"), left: this.currentItem.css("left") };
if(helper[0].style.width == '' || o.forceHelperSize) helper.width(this.currentItem.width());
if(helper[0].style.height == '' || o.forceHelperSize) helper.height(this.currentItem.height());
return helper;
},
_adjustOffsetFromHelper: function(obj) {
if (typeof obj == 'string') {
obj = obj.split(' ');
}
if ($.isArray(obj)) {
obj = {left: +obj[0], top: +obj[1] || 0};
}
if ('left' in obj) {
this.offset.click.left = obj.left + this.margins.left;
}
if ('right' in obj) {
this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
}
if ('top' in obj) {
this.offset.click.top = obj.top + this.margins.top;
}
if ('bottom' in obj) {
this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
}
},
_getParentOffset: function() {
//Get the offsetParent and cache its position
this.offsetParent = this.helper.offsetParent();
var po = this.offsetParent.offset();
// This is a special case where we need to modify a offset calculated on start, since the following happened:
// 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
// the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
if(this.cssPosition == 'absolute' && this.scrollParent[0] != document && $.contains(this.scrollParent[0], this.offsetParent[0])) {
po.left += this.scrollParent.scrollLeft();
po.top += this.scrollParent.scrollTop();
}
if((this.offsetParent[0] == document.body) //This needs to be actually done for all browsers, since pageX/pageY includes this information
|| (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() == 'html' && $.ui.ie)) //Ugly IE fix
po = { top: 0, left: 0 };
return {
top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),
left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)
};
},
_getRelativeOffset: function() {
if(this.cssPosition == "relative") {
var p = this.currentItem.position();
return {
top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(),
left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft()
};
} else {
return { top: 0, left: 0 };
}
},
_cacheMargins: function() {
this.margins = {
left: (parseInt(this.currentItem.css("marginLeft"),10) || 0),
top: (parseInt(this.currentItem.css("marginTop"),10) || 0)
};
},
_cacheHelperProportions: function() {
this.helperProportions = {
width: this.helper.outerWidth(),
height: this.helper.outerHeight()
};
},
_setContainment: function() {
var o = this.options;
if(o.containment == 'parent') o.containment = this.helper[0].parentNode;
if(o.containment == 'document' || o.containment == 'window') this.containment = [
0 - this.offset.relative.left - this.offset.parent.left,
0 - this.offset.relative.top - this.offset.parent.top,
$(o.containment == 'document' ? document : window).width() - this.helperProportions.width - this.margins.left,
($(o.containment == 'document' ? document : window).height() || document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top
];
if(!(/^(document|window|parent)$/).test(o.containment)) {
var ce = $(o.containment)[0];
var co = $(o.containment).offset();
var over = ($(ce).css("overflow") != 'hidden');
this.containment = [
co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0) - this.margins.left,
co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0) - this.margins.top,
co.left+(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left,
co.top+(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top
];
}
},
_convertPositionTo: function(d, pos) {
if(!pos) pos = this.position;
var mod = d == "absolute" ? 1 : -1;
var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
return {
top: (
pos.top // The absolute mouse position
+ this.offset.relative.top * mod // Only for relative positioned nodes: Relative offset from element to offset parent
+ this.offset.parent.top * mod // The offsetParent's offset without borders (offset + border)
- ( ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod)
),
left: (
pos.left // The absolute mouse position
+ this.offset.relative.left * mod // Only for relative positioned nodes: Relative offset from element to offset parent
+ this.offset.parent.left * mod // The offsetParent's offset without borders (offset + border)
- ( ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod)
)
};
},
_generatePosition: function(event) {
var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
// This is another very weird special case that only happens for relative elements:
// 1. If the css position is relative
// 2. and the scroll parent is the document or similar to the offset parent
// we have to refresh the relative offset during the scroll so there are no jumps
if(this.cssPosition == 'relative' && !(this.scrollParent[0] != document && this.scrollParent[0] != this.offsetParent[0])) {
this.offset.relative = this._getRelativeOffset();
}
var pageX = event.pageX;
var pageY = event.pageY;
/*
* - Position constraining -
* Constrain the position to a mix of grid, containment.
*/
if(this.originalPosition) { //If we are not dragging yet, we won't check for options
if(this.containment) {
if(event.pageX - this.offset.click.left < this.containment[0]) pageX = this.containment[0] + this.offset.click.left;
if(event.pageY - this.offset.click.top < this.containment[1]) pageY = this.containment[1] + this.offset.click.top;
if(event.pageX - this.offset.click.left > this.containment[2]) pageX = this.containment[2] + this.offset.click.left;
if(event.pageY - this.offset.click.top > this.containment[3]) pageY = this.containment[3] + this.offset.click.top;
}
if(o.grid) {
var top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1];
pageY = this.containment ? (!(top - this.offset.click.top < this.containment[1] || top - this.offset.click.top > this.containment[3]) ? top : (!(top - this.offset.click.top < this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;
var left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0];
pageX = this.containment ? (!(left - this.offset.click.left < this.containment[0] || left - this.offset.click.left > this.containment[2]) ? left : (!(left - this.offset.click.left < this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
}
}
return {
top: (
pageY // The absolute mouse position
- this.offset.click.top // Click offset (relative to the element)
- this.offset.relative.top // Only for relative positioned nodes: Relative offset from element to offset parent
- this.offset.parent.top // The offsetParent's offset without borders (offset + border)
+ ( ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ))
),
left: (
pageX // The absolute mouse position
- this.offset.click.left // Click offset (relative to the element)
- this.offset.relative.left // Only for relative positioned nodes: Relative offset from element to offset parent
- this.offset.parent.left // The offsetParent's offset without borders (offset + border)
+ ( ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
)
};
},
_rearrange: function(event, i, a, hardRefresh) {
a ? a[0].appendChild(this.placeholder[0]) : i.item[0].parentNode.insertBefore(this.placeholder[0], (this.direction == 'down' ? i.item[0] : i.item[0].nextSibling));
//Various things done here to improve the performance:
// 1. we create a setTimeout, that calls refreshPositions
// 2. on the instance, we have a counter variable, that get's higher after every append
// 3. on the local scope, we copy the counter variable, and check in the timeout, if it's still the same
// 4. this lets only the last addition to the timeout stack through
this.counter = this.counter ? ++this.counter : 1;
var counter = this.counter;
this._delay(function() {
if(counter == this.counter) this.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove
});
},
_clear: function(event, noPropagation) {
this.reverting = false;
// We delay all events that have to be triggered to after the point where the placeholder has been removed and
// everything else normalized again
var delayedTriggers = [];
// We first have to update the dom position of the actual currentItem
// Note: don't do it if the current item is already removed (by a user), or it gets reappended (see #4088)
if(!this._noFinalSort && this.currentItem.parent().length) this.placeholder.before(this.currentItem);
this._noFinalSort = null;
if(this.helper[0] == this.currentItem[0]) {
for(var i in this._storedCSS) {
if(this._storedCSS[i] == 'auto' || this._storedCSS[i] == 'static') this._storedCSS[i] = '';
}
this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
} else {
this.currentItem.show();
}
if(this.fromOutside && !noPropagation) delayedTriggers.push(function(event) { this._trigger("receive", event, this._uiHash(this.fromOutside)); });
if((this.fromOutside || this.domPosition.prev != this.currentItem.prev().not(".ui-sortable-helper")[0] || this.domPosition.parent != this.currentItem.parent()[0]) && !noPropagation) delayedTriggers.push(function(event) { this._trigger("update", event, this._uiHash()); }); //Trigger update callback if the DOM position has changed
// Check if the items Container has Changed and trigger appropriate
// events.
if (this !== this.currentContainer) {
if(!noPropagation) {
delayedTriggers.push(function(event) { this._trigger("remove", event, this._uiHash()); });
delayedTriggers.push((function(c) { return function(event) { c._trigger("receive", event, this._uiHash(this)); }; }).call(this, this.currentContainer));
delayedTriggers.push((function(c) { return function(event) { c._trigger("update", event, this._uiHash(this)); }; }).call(this, this.currentContainer));
}
}
//Post events to containers
for (var i = this.containers.length - 1; i >= 0; i--){
if(!noPropagation) delayedTriggers.push((function(c) { return function(event) { c._trigger("deactivate", event, this._uiHash(this)); }; }).call(this, this.containers[i]));
if(this.containers[i].containerCache.over) {
delayedTriggers.push((function(c) { return function(event) { c._trigger("out", event, this._uiHash(this)); }; }).call(this, this.containers[i]));
this.containers[i].containerCache.over = 0;
}
}
//Do what was originally in plugins
if(this._storedCursor) $('body').css("cursor", this._storedCursor); //Reset cursor
if(this._storedOpacity) this.helper.css("opacity", this._storedOpacity); //Reset opacity
if(this._storedZIndex) this.helper.css("zIndex", this._storedZIndex == 'auto' ? '' : this._storedZIndex); //Reset z-index
this.dragging = false;
if(this.cancelHelperRemoval) {
if(!noPropagation) {
this._trigger("beforeStop", event, this._uiHash());
for (var i=0; i < delayedTriggers.length; i++) { delayedTriggers[i].call(this, event); }; //Trigger all delayed events
this._trigger("stop", event, this._uiHash());
}
this.fromOutside = false;
return false;
}
if(!noPropagation) this._trigger("beforeStop", event, this._uiHash());
//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
if(this.helper[0] != this.currentItem[0]) this.helper.remove(); this.helper = null;
if(!noPropagation) {
for (var i=0; i < delayedTriggers.length; i++) { delayedTriggers[i].call(this, event); }; //Trigger all delayed events
this._trigger("stop", event, this._uiHash());
}
this.fromOutside = false;
return true;
},
_trigger: function() {
if ($.Widget.prototype._trigger.apply(this, arguments) === false) {
this.cancel();
}
},
_uiHash: function(_inst) {
var inst = _inst || this;
return {
helper: inst.helper,
placeholder: inst.placeholder || $([]),
position: inst.position,
originalPosition: inst.originalPosition,
offset: inst.positionAbs,
item: inst.currentItem,
sender: _inst ? _inst.element : null
};
}
});
})(jQuery);
(function( $, undefined ) {
// used to prevent race conditions with remote data sources
var requestIndex = 0;
$.widget( "ui.autocomplete", {
version: "1.9.1",
defaultElement: "
",
options: {
appendTo: "body",
autoFocus: false,
delay: 300,
minLength: 1,
position: {
my: "left top",
at: "left bottom",
collision: "none"
},
source: null,
// callbacks
change: null,
close: null,
focus: null,
open: null,
response: null,
search: null,
select: null
},
pending: 0,
_create: function() {
// Some browsers only repeat keydown events, not keypress events,
// so we use the suppressKeyPress flag to determine if we've already
// handled the keydown event. #7269
// Unfortunately the code for & in keypress is the same as the up arrow,
// so we use the suppressKeyPressRepeat flag to avoid handling keypress
// events when we know the keydown event was used to modify the
// search term. #7799
var suppressKeyPress, suppressKeyPressRepeat, suppressInput;
this.isMultiLine = this._isMultiLine();
this.valueMethod = this.element[ this.element.is( "input,textarea" ) ? "val" : "text" ];
this.isNewMenu = true;
this.element
.addClass( "ui-autocomplete-input" )
.attr( "autocomplete", "off" );
this._on( this.element, {
keydown: function( event ) {
if ( this.element.prop( "readOnly" ) ) {
suppressKeyPress = true;
suppressInput = true;
suppressKeyPressRepeat = true;
return;
}
suppressKeyPress = false;
suppressInput = false;
suppressKeyPressRepeat = false;
var keyCode = $.ui.keyCode;
switch( event.keyCode ) {
case keyCode.PAGE_UP:
suppressKeyPress = true;
this._move( "previousPage", event );
break;
case keyCode.PAGE_DOWN:
suppressKeyPress = true;
this._move( "nextPage", event );
break;
case keyCode.UP:
suppressKeyPress = true;
this._keyEvent( "previous", event );
break;
case keyCode.DOWN:
suppressKeyPress = true;
this._keyEvent( "next", event );
break;
case keyCode.ENTER:
case keyCode.NUMPAD_ENTER:
// when menu is open and has focus
if ( this.menu.active ) {
// #6055 - Opera still allows the keypress to occur
// which causes forms to submit
suppressKeyPress = true;
event.preventDefault();
this.menu.select( event );
}
break;
case keyCode.TAB:
if ( this.menu.active ) {
this.menu.select( event );
}
break;
case keyCode.ESCAPE:
if ( this.menu.element.is( ":visible" ) ) {
this._value( this.term );
this.close( event );
// Different browsers have different default behavior for escape
// Single press can mean undo or clear
// Double press in IE means clear the whole form
event.preventDefault();
}
break;
default:
suppressKeyPressRepeat = true;
// search timeout should be triggered before the input value is changed
this._searchTimeout( event );
break;
}
},
keypress: function( event ) {
if ( suppressKeyPress ) {
suppressKeyPress = false;
event.preventDefault();
return;
}
if ( suppressKeyPressRepeat ) {
return;
}
// replicate some key handlers to allow them to repeat in Firefox and Opera
var keyCode = $.ui.keyCode;
switch( event.keyCode ) {
case keyCode.PAGE_UP:
this._move( "previousPage", event );
break;
case keyCode.PAGE_DOWN:
this._move( "nextPage", event );
break;
case keyCode.UP:
this._keyEvent( "previous", event );
break;
case keyCode.DOWN:
this._keyEvent( "next", event );
break;
}
},
input: function( event ) {
if ( suppressInput ) {
suppressInput = false;
event.preventDefault();
return;
}
this._searchTimeout( event );
},
focus: function() {
this.selectedItem = null;
this.previous = this._value();
},
blur: function( event ) {
if ( this.cancelBlur ) {
delete this.cancelBlur;
return;
}
clearTimeout( this.searching );
this.close( event );
this._change( event );
}
});
this._initSource();
this.menu = $( "
" )
.addClass( "ui-autocomplete" )
.appendTo( this.document.find( this.options.appendTo || "body" )[ 0 ] )
.menu({
// custom key handling for now
input: $(),
// disable ARIA support, the live region takes care of that
role: null
})
.zIndex( this.element.zIndex() + 1 )
.hide()
.data( "menu" );
this._on( this.menu.element, {
mousedown: function( event ) {
// prevent moving focus out of the text field
event.preventDefault();
// IE doesn't prevent moving focus even with event.preventDefault()
// so we set a flag to know when we should ignore the blur event
this.cancelBlur = true;
this._delay(function() {
delete this.cancelBlur;
});
// clicking on the scrollbar causes focus to shift to the body
// but we can't detect a mouseup or a click immediately afterward
// so we have to track the next mousedown and close the menu if
// the user clicks somewhere outside of the autocomplete
var menuElement = this.menu.element[ 0 ];
if ( !$( event.target ).closest( ".ui-menu-item" ).length ) {
this._delay(function() {
var that = this;
this.document.one( "mousedown", function( event ) {
if ( event.target !== that.element[ 0 ] &&
event.target !== menuElement &&
!$.contains( menuElement, event.target ) ) {
that.close();
}
});
});
}
},
menufocus: function( event, ui ) {
// #7024 - Prevent accidental activation of menu items in Firefox
if ( this.isNewMenu ) {
this.isNewMenu = false;
if ( event.originalEvent && /^mouse/.test( event.originalEvent.type ) ) {
this.menu.blur();
this.document.one( "mousemove", function() {
$( event.target ).trigger( event.originalEvent );
});
return;
}
}
// back compat for _renderItem using item.autocomplete, via #7810
// TODO remove the fallback, see #8156
var item = ui.item.data( "ui-autocomplete-item" ) || ui.item.data( "item.autocomplete" );
if ( false !== this._trigger( "focus", event, { item: item } ) ) {
// use value to match what will end up in the input, if it was a key event
if ( event.originalEvent && /^key/.test( event.originalEvent.type ) ) {
this._value( item.value );
}
} else {
// Normally the input is populated with the item's value as the
// menu is navigated, causing screen readers to notice a change and
// announce the item. Since the focus event was canceled, this doesn't
// happen, so we update the live region so that screen readers can
// still notice the change and announce it.
this.liveRegion.text( item.value );
}
},
menuselect: function( event, ui ) {
// back compat for _renderItem using item.autocomplete, via #7810
// TODO remove the fallback, see #8156
var item = ui.item.data( "ui-autocomplete-item" ) || ui.item.data( "item.autocomplete" ),
previous = this.previous;
// only trigger when focus was lost (click on menu)
if ( this.element[0] !== this.document[0].activeElement ) {
this.element.focus();
this.previous = previous;
// #6109 - IE triggers two focus events and the second
// is asynchronous, so we need to reset the previous
// term synchronously and asynchronously :-(
this._delay(function() {
this.previous = previous;
this.selectedItem = item;
});
}
if ( false !== this._trigger( "select", event, { item: item } ) ) {
this._value( item.value );
}
// reset the term after the select event
// this allows custom select handling to work properly
this.term = this._value();
this.close( event );
this.selectedItem = item;
}
});
this.liveRegion = $( "", {
role: "status",
"aria-live": "polite"
})
.addClass( "ui-helper-hidden-accessible" )
.insertAfter( this.element );
if ( $.fn.bgiframe ) {
this.menu.element.bgiframe();
}
// turning off autocomplete prevents the browser from remembering the
// value when navigating through history, so we re-enable autocomplete
// if the page is unloaded before the widget is destroyed. #7790
this._on( this.window, {
beforeunload: function() {
this.element.removeAttr( "autocomplete" );
}
});
},
_destroy: function() {
clearTimeout( this.searching );
this.element
.removeClass( "ui-autocomplete-input" )
.removeAttr( "autocomplete" );
this.menu.element.remove();
this.liveRegion.remove();
},
_setOption: function( key, value ) {
this._super( key, value );
if ( key === "source" ) {
this._initSource();
}
if ( key === "appendTo" ) {
this.menu.element.appendTo( this.document.find( value || "body" )[0] );
}
if ( key === "disabled" && value && this.xhr ) {
this.xhr.abort();
}
},
_isMultiLine: function() {
// Textareas are always multi-line
if ( this.element.is( "textarea" ) ) {
return true;
}
// Inputs are always single-line, even if inside a contentEditable element
// IE also treats inputs as contentEditable
if ( this.element.is( "input" ) ) {
return false;
}
// All other element types are determined by whether or not they're contentEditable
return this.element.prop( "isContentEditable" );
},
_initSource: function() {
var array, url,
that = this;
if ( $.isArray(this.options.source) ) {
array = this.options.source;
this.source = function( request, response ) {
response( $.ui.autocomplete.filter( array, request.term ) );
};
} else if ( typeof this.options.source === "string" ) {
url = this.options.source;
this.source = function( request, response ) {
if ( that.xhr ) {
that.xhr.abort();
}
that.xhr = $.ajax({
url: url,
data: request,
dataType: "json",
success: function( data ) {
response( data );
},
error: function() {
response( [] );
}
});
};
} else {
this.source = this.options.source;
}
},
_searchTimeout: function( event ) {
clearTimeout( this.searching );
this.searching = this._delay(function() {
// only search if the value has changed
if ( this.term !== this._value() ) {
this.selectedItem = null;
this.search( null, event );
}
}, this.options.delay );
},
search: function( value, event ) {
value = value != null ? value : this._value();
// always save the actual value, not the one passed as an argument
this.term = this._value();
if ( value.length < this.options.minLength ) {
return this.close( event );
}
if ( this._trigger( "search", event ) === false ) {
return;
}
return this._search( value );
},
_search: function( value ) {
this.pending++;
this.element.addClass( "ui-autocomplete-loading" );
this.cancelSearch = false;
this.source( { term: value }, this._response() );
},
_response: function() {
var that = this,
index = ++requestIndex;
return function( content ) {
if ( index === requestIndex ) {
that.__response( content );
}
that.pending--;
if ( !that.pending ) {
that.element.removeClass( "ui-autocomplete-loading" );
}
};
},
__response: function( content ) {
if ( content ) {
content = this._normalize( content );
}
this._trigger( "response", null, { content: content } );
if ( !this.options.disabled && content && content.length && !this.cancelSearch ) {
this._suggest( content );
this._trigger( "open" );
} else {
// use ._close() instead of .close() so we don't cancel future searches
this._close();
}
},
close: function( event ) {
this.cancelSearch = true;
this._close( event );
},
_close: function( event ) {
if ( this.menu.element.is( ":visible" ) ) {
this.menu.element.hide();
this.menu.blur();
this.isNewMenu = true;
this._trigger( "close", event );
}
},
_change: function( event ) {
if ( this.previous !== this._value() ) {
this._trigger( "change", event, { item: this.selectedItem } );
}
},
_normalize: function( items ) {
// assume all items have the right format when the first item is complete
if ( items.length && items[0].label && items[0].value ) {
return items;
}
return $.map( items, function( item ) {
if ( typeof item === "string" ) {
return {
label: item,
value: item
};
}
return $.extend({
label: item.label || item.value,
value: item.value || item.label
}, item );
});
},
_suggest: function( items ) {
var ul = this.menu.element
.empty()
.zIndex( this.element.zIndex() + 1 );
this._renderMenu( ul, items );
this.menu.refresh();
// size and position menu
ul.show();
this._resizeMenu();
ul.position( $.extend({
of: this.element
}, this.options.position ));
if ( this.options.autoFocus ) {
this.menu.next();
}
},
_resizeMenu: function() {
var ul = this.menu.element;
ul.outerWidth( Math.max(
// Firefox wraps long text (possibly a rounding bug)
// so we add 1px to avoid the wrapping (#7513)
ul.width( "" ).outerWidth() + 1,
this.element.outerWidth()
) );
},
_renderMenu: function( ul, items ) {
var that = this;
$.each( items, function( index, item ) {
that._renderItemData( ul, item );
});
},
_renderItemData: function( ul, item ) {
return this._renderItem( ul, item ).data( "ui-autocomplete-item", item );
},
_renderItem: function( ul, item ) {
return $( "- " )
.append( $( "" ).text( item.label ) )
.appendTo( ul );
},
_move: function( direction, event ) {
if ( !this.menu.element.is( ":visible" ) ) {
this.search( null, event );
return;
}
if ( this.menu.isFirstItem() && /^previous/.test( direction ) ||
this.menu.isLastItem() && /^next/.test( direction ) ) {
this._value( this.term );
this.menu.blur();
return;
}
this.menu[ direction ]( event );
},
widget: function() {
return this.menu.element;
},
_value: function() {
return this.valueMethod.apply( this.element, arguments );
},
_keyEvent: function( keyEvent, event ) {
if ( !this.isMultiLine || this.menu.element.is( ":visible" ) ) {
this._move( keyEvent, event );
// prevents moving cursor to beginning/end of the text field in some browsers
event.preventDefault();
}
}
});
$.extend( $.ui.autocomplete, {
escapeRegex: function( value ) {
return value.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&");
},
filter: function(array, term) {
var matcher = new RegExp( $.ui.autocomplete.escapeRegex(term), "i" );
return $.grep( array, function(value) {
return matcher.test( value.label || value.value || value );
});
}
});
// live region extension, adding a `messages` option
// NOTE: This is an experimental API. We are still investigating
// a full solution for string manipulation and internationalization.
$.widget( "ui.autocomplete", $.ui.autocomplete, {
options: {
messages: {
noResults: "No search results.",
results: function( amount ) {
return amount + ( amount > 1 ? " results are" : " result is" ) +
" available, use up and down arrow keys to navigate.";
}
}
},
__response: function( content ) {
var message;
this._superApply( arguments );
if ( this.options.disabled || this.cancelSearch ) {
return;
}
if ( content && content.length ) {
message = this.options.messages.results( content.length );
} else {
message = this.options.messages.noResults;
}
this.liveRegion.text( message );
}
});
}( jQuery ));
(function( $, undefined ) {
var mouseHandled = false;
$.widget( "ui.menu", {
version: "1.9.1",
defaultElement: "
",
delay: 300,
options: {
icons: {
submenu: "ui-icon-carat-1-e"
},
menus: "ul",
position: {
my: "left top",
at: "right top"
},
role: "menu",
// callbacks
blur: null,
focus: null,
select: null
},
_create: function() {
this.activeMenu = this.element;
this.element
.uniqueId()
.addClass( "ui-menu ui-widget ui-widget-content ui-corner-all" )
.toggleClass( "ui-menu-icons", !!this.element.find( ".ui-icon" ).length )
.attr({
role: this.options.role,
tabIndex: 0
})
// need to catch all clicks on disabled menu
// not possible through _on
.bind( "click" + this.eventNamespace, $.proxy(function( event ) {
if ( this.options.disabled ) {
event.preventDefault();
}
}, this ));
if ( this.options.disabled ) {
this.element
.addClass( "ui-state-disabled" )
.attr( "aria-disabled", "true" );
}
this._on({
// Prevent focus from sticking to links inside menu after clicking
// them (focus should always stay on UL during navigation).
"mousedown .ui-menu-item > a": function( event ) {
event.preventDefault();
},
"click .ui-state-disabled > a": function( event ) {
event.preventDefault();
},
"click .ui-menu-item:has(a)": function( event ) {
var target = $( event.target ).closest( ".ui-menu-item" );
if ( !mouseHandled && target.not( ".ui-state-disabled" ).length ) {
mouseHandled = true;
this.select( event );
// Open submenu on click
if ( target.has( ".ui-menu" ).length ) {
this.expand( event );
} else if ( !this.element.is( ":focus" ) ) {
// Redirect focus to the menu
this.element.trigger( "focus", [ true ] );
// If the active item is on the top level, let it stay active.
// Otherwise, blur the active item since it is no longer visible.
if ( this.active && this.active.parents( ".ui-menu" ).length === 1 ) {
clearTimeout( this.timer );
}
}
}
},
"mouseenter .ui-menu-item": function( event ) {
var target = $( event.currentTarget );
// Remove ui-state-active class from siblings of the newly focused menu item
// to avoid a jump caused by adjacent elements both having a class with a border
target.siblings().children( ".ui-state-active" ).removeClass( "ui-state-active" );
this.focus( event, target );
},
mouseleave: "collapseAll",
"mouseleave .ui-menu": "collapseAll",
focus: function( event, keepActiveItem ) {
// If there's already an active item, keep it active
// If not, activate the first item
var item = this.active || this.element.children( ".ui-menu-item" ).eq( 0 );
if ( !keepActiveItem ) {
this.focus( event, item );
}
},
blur: function( event ) {
this._delay(function() {
if ( !$.contains( this.element[0], this.document[0].activeElement ) ) {
this.collapseAll( event );
}
});
},
keydown: "_keydown"
});
this.refresh();
// Clicks outside of a menu collapse any open menus
this._on( this.document, {
click: function( event ) {
if ( !$( event.target ).closest( ".ui-menu" ).length ) {
this.collapseAll( event );
}
// Reset the mouseHandled flag
mouseHandled = false;
}
});
},
_destroy: function() {
// Destroy (sub)menus
this.element
.removeAttr( "aria-activedescendant" )
.find( ".ui-menu" ).andSelf()
.removeClass( "ui-menu ui-widget ui-widget-content ui-corner-all ui-menu-icons" )
.removeAttr( "role" )
.removeAttr( "tabIndex" )
.removeAttr( "aria-labelledby" )
.removeAttr( "aria-expanded" )
.removeAttr( "aria-hidden" )
.removeAttr( "aria-disabled" )
.removeUniqueId()
.show();
// Destroy menu items
this.element.find( ".ui-menu-item" )
.removeClass( "ui-menu-item" )
.removeAttr( "role" )
.removeAttr( "aria-disabled" )
.children( "a" )
.removeUniqueId()
.removeClass( "ui-corner-all ui-state-hover" )
.removeAttr( "tabIndex" )
.removeAttr( "role" )
.removeAttr( "aria-haspopup" )
.children().each( function() {
var elem = $( this );
if ( elem.data( "ui-menu-submenu-carat" ) ) {
elem.remove();
}
});
// Destroy menu dividers
this.element.find( ".ui-menu-divider" ).removeClass( "ui-menu-divider ui-widget-content" );
},
_keydown: function( event ) {
var match, prev, character, skip, regex,
preventDefault = true;
function escape( value ) {
return value.replace( /[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&" );
}
switch ( event.keyCode ) {
case $.ui.keyCode.PAGE_UP:
this.previousPage( event );
break;
case $.ui.keyCode.PAGE_DOWN:
this.nextPage( event );
break;
case $.ui.keyCode.HOME:
this._move( "first", "first", event );
break;
case $.ui.keyCode.END:
this._move( "last", "last", event );
break;
case $.ui.keyCode.UP:
this.previous( event );
break;
case $.ui.keyCode.DOWN:
this.next( event );
break;
case $.ui.keyCode.LEFT:
this.collapse( event );
break;
case $.ui.keyCode.RIGHT:
if ( this.active && !this.active.is( ".ui-state-disabled" ) ) {
this.expand( event );
}
break;
case $.ui.keyCode.ENTER:
case $.ui.keyCode.SPACE:
this._activate( event );
break;
case $.ui.keyCode.ESCAPE:
this.collapse( event );
break;
default:
preventDefault = false;
prev = this.previousFilter || "";
character = String.fromCharCode( event.keyCode );
skip = false;
clearTimeout( this.filterTimer );
if ( character === prev ) {
skip = true;
} else {
character = prev + character;
}
regex = new RegExp( "^" + escape( character ), "i" );
match = this.activeMenu.children( ".ui-menu-item" ).filter(function() {
return regex.test( $( this ).children( "a" ).text() );
});
match = skip && match.index( this.active.next() ) !== -1 ?
this.active.nextAll( ".ui-menu-item" ) :
match;
// If no matches on the current filter, reset to the last character pressed
// to move down the menu to the first item that starts with that character
if ( !match.length ) {
character = String.fromCharCode( event.keyCode );
regex = new RegExp( "^" + escape( character ), "i" );
match = this.activeMenu.children( ".ui-menu-item" ).filter(function() {
return regex.test( $( this ).children( "a" ).text() );
});
}
if ( match.length ) {
this.focus( event, match );
if ( match.length > 1 ) {
this.previousFilter = character;
this.filterTimer = this._delay(function() {
delete this.previousFilter;
}, 1000 );
} else {
delete this.previousFilter;
}
} else {
delete this.previousFilter;
}
}
if ( preventDefault ) {
event.preventDefault();
}
},
_activate: function( event ) {
if ( !this.active.is( ".ui-state-disabled" ) ) {
if ( this.active.children( "a[aria-haspopup='true']" ).length ) {
this.expand( event );
} else {
this.select( event );
}
}
},
refresh: function() {
// Initialize nested menus
var menus,
icon = this.options.icons.submenu,
submenus = this.element.find( this.options.menus + ":not(.ui-menu)" )
.addClass( "ui-menu ui-widget ui-widget-content ui-corner-all" )
.hide()
.attr({
role: this.options.role,
"aria-hidden": "true",
"aria-expanded": "false"
});
// Don't refresh list items that are already adapted
menus = submenus.add( this.element );
menus.children( ":not(.ui-menu-item):has(a)" )
.addClass( "ui-menu-item" )
.attr( "role", "presentation" )
.children( "a" )
.uniqueId()
.addClass( "ui-corner-all" )
.attr({
tabIndex: -1,
role: this._itemRole()
});
// Initialize unlinked menu-items containing spaces and/or dashes only as dividers
menus.children( ":not(.ui-menu-item)" ).each(function() {
var item = $( this );
// hyphen, em dash, en dash
if ( !/[^\-—–\s]/.test( item.text() ) ) {
item.addClass( "ui-widget-content ui-menu-divider" );
}
});
// Add aria-disabled attribute to any disabled menu item
menus.children( ".ui-state-disabled" ).attr( "aria-disabled", "true" );
submenus.each(function() {
var menu = $( this ),
item = menu.prev( "a" ),
submenuCarat = $( "" )
.addClass( "ui-menu-icon ui-icon " + icon )
.data( "ui-menu-submenu-carat", true );
item
.attr( "aria-haspopup", "true" )
.prepend( submenuCarat );
menu.attr( "aria-labelledby", item.attr( "id" ) );
});
// If the active item has been removed, blur the menu
if ( this.active && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) {
this.blur();
}
},
_itemRole: function() {
return {
menu: "menuitem",
listbox: "option"
}[ this.options.role ];
},
focus: function( event, item ) {
var nested, focused;
this.blur( event, event && event.type === "focus" );
this._scrollIntoView( item );
this.active = item.first();
focused = this.active.children( "a" ).addClass( "ui-state-focus" );
// Only update aria-activedescendant if there's a role
// otherwise we assume focus is managed elsewhere
if ( this.options.role ) {
this.element.attr( "aria-activedescendant", focused.attr( "id" ) );
}
// Highlight active parent menu item, if any
this.active
.parent()
.closest( ".ui-menu-item" )
.children( "a:first" )
.addClass( "ui-state-active" );
if ( event && event.type === "keydown" ) {
this._close();
} else {
this.timer = this._delay(function() {
this._close();
}, this.delay );
}
nested = item.children( ".ui-menu" );
if ( nested.length && ( /^mouse/.test( event.type ) ) ) {
this._startOpening(nested);
}
this.activeMenu = item.parent();
this._trigger( "focus", event, { item: item } );
},
_scrollIntoView: function( item ) {
var borderTop, paddingTop, offset, scroll, elementHeight, itemHeight;
if ( this._hasScroll() ) {
borderTop = parseFloat( $.css( this.activeMenu[0], "borderTopWidth" ) ) || 0;
paddingTop = parseFloat( $.css( this.activeMenu[0], "paddingTop" ) ) || 0;
offset = item.offset().top - this.activeMenu.offset().top - borderTop - paddingTop;
scroll = this.activeMenu.scrollTop();
elementHeight = this.activeMenu.height();
itemHeight = item.height();
if ( offset < 0 ) {
this.activeMenu.scrollTop( scroll + offset );
} else if ( offset + itemHeight > elementHeight ) {
this.activeMenu.scrollTop( scroll + offset - elementHeight + itemHeight );
}
}
},
blur: function( event, fromFocus ) {
if ( !fromFocus ) {
clearTimeout( this.timer );
}
if ( !this.active ) {
return;
}
this.active.children( "a" ).removeClass( "ui-state-focus" );
this.active = null;
this._trigger( "blur", event, { item: this.active } );
},
_startOpening: function( submenu ) {
clearTimeout( this.timer );
// Don't open if already open fixes a Firefox bug that caused a .5 pixel
// shift in the submenu position when mousing over the carat icon
if ( submenu.attr( "aria-hidden" ) !== "true" ) {
return;
}
this.timer = this._delay(function() {
this._close();
this._open( submenu );
}, this.delay );
},
_open: function( submenu ) {
var position = $.extend({
of: this.active
}, this.options.position );
clearTimeout( this.timer );
this.element.find( ".ui-menu" ).not( submenu.parents( ".ui-menu" ) )
.hide()
.attr( "aria-hidden", "true" );
submenu
.show()
.removeAttr( "aria-hidden" )
.attr( "aria-expanded", "true" )
.position( position );
},
collapseAll: function( event, all ) {
clearTimeout( this.timer );
this.timer = this._delay(function() {
// If we were passed an event, look for the submenu that contains the event
var currentMenu = all ? this.element :
$( event && event.target ).closest( this.element.find( ".ui-menu" ) );
// If we found no valid submenu ancestor, use the main menu to close all sub menus anyway
if ( !currentMenu.length ) {
currentMenu = this.element;
}
this._close( currentMenu );
this.blur( event );
this.activeMenu = currentMenu;
}, this.delay );
},
// With no arguments, closes the currently active menu - if nothing is active
// it closes all menus. If passed an argument, it will search for menus BELOW
_close: function( startMenu ) {
if ( !startMenu ) {
startMenu = this.active ? this.active.parent() : this.element;
}
startMenu
.find( ".ui-menu" )
.hide()
.attr( "aria-hidden", "true" )
.attr( "aria-expanded", "false" )
.end()
.find( "a.ui-state-active" )
.removeClass( "ui-state-active" );
},
collapse: function( event ) {
var newItem = this.active &&
this.active.parent().closest( ".ui-menu-item", this.element );
if ( newItem && newItem.length ) {
this._close();
this.focus( event, newItem );
}
},
expand: function( event ) {
var newItem = this.active &&
this.active
.children( ".ui-menu " )
.children( ".ui-menu-item" )
.first();
if ( newItem && newItem.length ) {
this._open( newItem.parent() );
// Delay so Firefox will not hide activedescendant change in expanding submenu from AT
this._delay(function() {
this.focus( event, newItem );
});
}
},
next: function( event ) {
this._move( "next", "first", event );
},
previous: function( event ) {
this._move( "prev", "last", event );
},
isFirstItem: function() {
return this.active && !this.active.prevAll( ".ui-menu-item" ).length;
},
isLastItem: function() {
return this.active && !this.active.nextAll( ".ui-menu-item" ).length;
},
_move: function( direction, filter, event ) {
var next;
if ( this.active ) {
if ( direction === "first" || direction === "last" ) {
next = this.active
[ direction === "first" ? "prevAll" : "nextAll" ]( ".ui-menu-item" )
.eq( -1 );
} else {
next = this.active
[ direction + "All" ]( ".ui-menu-item" )
.eq( 0 );
}
}
if ( !next || !next.length || !this.active ) {
next = this.activeMenu.children( ".ui-menu-item" )[ filter ]();
}
this.focus( event, next );
},
nextPage: function( event ) {
var item, base, height;
if ( !this.active ) {
this.next( event );
return;
}
if ( this.isLastItem() ) {
return;
}
if ( this._hasScroll() ) {
base = this.active.offset().top;
height = this.element.height();
this.active.nextAll( ".ui-menu-item" ).each(function() {
item = $( this );
return item.offset().top - base - height < 0;
});
this.focus( event, item );
} else {
this.focus( event, this.activeMenu.children( ".ui-menu-item" )
[ !this.active ? "first" : "last" ]() );
}
},
previousPage: function( event ) {
var item, base, height;
if ( !this.active ) {
this.next( event );
return;
}
if ( this.isFirstItem() ) {
return;
}
if ( this._hasScroll() ) {
base = this.active.offset().top;
height = this.element.height();
this.active.prevAll( ".ui-menu-item" ).each(function() {
item = $( this );
return item.offset().top - base + height > 0;
});
this.focus( event, item );
} else {
this.focus( event, this.activeMenu.children( ".ui-menu-item" ).first() );
}
},
_hasScroll: function() {
return this.element.outerHeight() < this.element.prop( "scrollHeight" );
},
select: function( event ) {
// TODO: It should never be possible to not have an active item at this
// point, but the tests don't trigger mouseenter before click.
this.active = this.active || $( event.target ).closest( ".ui-menu-item" );
var ui = { item: this.active };
if ( !this.active.has( ".ui-menu" ).length ) {
this.collapseAll( event, true );
}
this._trigger( "select", event, ui );
}
});
}( jQuery ));