/**
* RightJS-UI Slider v2.2.3
* http://rightjs.org/ui/slider
*
* Copyright (C) 2009-2011 Nikolay Nemshilov
*/
var Slider = RightJS.Slider = (function(document, Math, RightJS) {
/**
* This module defines the basic widgets constructor
* it creates an abstract proxy with the common functionality
* which then we reuse and override in the actual widgets
*
* Copyright (C) 2010-2011 Nikolay Nemshilov
*/
/**
* The widget units constructor
*
* @param String tag-name or Object methods
* @param Object methods
* @return Widget wrapper
*/
function Widget(tag_name, methods) {
if (!methods) {
methods = tag_name;
tag_name = 'DIV';
}
/**
* An Abstract Widget Unit
*
* Copyright (C) 2010 Nikolay Nemshilov
*/
var AbstractWidget = new RightJS.Class(RightJS.Element.Wrappers[tag_name] || RightJS.Element, {
/**
* The common constructor
*
* @param Object options
* @param String optional tag name
* @return void
*/
initialize: function(key, options) {
this.key = key;
var args = [{'class': 'rui-' + key}];
// those two have different constructors
if (!(this instanceof RightJS.Input || this instanceof RightJS.Form)) {
args.unshift(tag_name);
}
this.$super.apply(this, args);
if (RightJS.isString(options)) {
options = RightJS.$(options);
}
// if the options is another element then
// try to dynamically rewrap it with our widget
if (options instanceof RightJS.Element) {
this._ = options._;
if ('$listeners' in options) {
options.$listeners = options.$listeners;
}
options = {};
}
this.setOptions(options, this);
return (RightJS.Wrapper.Cache[RightJS.$uid(this._)] = this);
},
// protected
/**
* Catches the options
*
* @param Object user-options
* @param Element element with contextual options
* @return void
*/
setOptions: function(options, element) {
if (element) {
options = RightJS.Object.merge(options, new Function("return "+(
element.get('data-'+ this.key) || '{}'
))());
}
if (options) {
RightJS.Options.setOptions.call(this, RightJS.Object.merge(this.options, options));
}
return this;
}
});
/**
* Creating the actual widget class
*
*/
var Klass = new RightJS.Class(AbstractWidget, methods);
// creating the widget related shortcuts
RightJS.Observer.createShortcuts(Klass.prototype, Klass.EVENTS || RightJS([]));
return Klass;
}
/**
* Same as the assignable, only it doesn't work with popups
* instead it simply updates the assigned unit value/content
*
* Copyright (C) 2010 Nikolay Nemshilov
*/
var Updater = {
/**
* Assigns the unit to work with an input element
*
* @param mixed element reference
* @return Rater this
*/
assignTo: function(element) {
var assign = R(function(element, event) {
if ((element = $(element))) {
element[element.setValue ? 'setValue' : 'update'](event.target.getValue());
}
}).curry(element);
var connect = R(function(element, object) {
element = $(element);
if (element && element.onChange) {
element.onChange(R(function() {
this.setValue(element.value());
}).bind(object));
}
}).curry(element);
if ($(element)) {
assign({target: this});
connect(this);
} else {
$(document).onReady(R(function() {
assign({target: this});
connect(this);
}.bind(this)));
}
return this.onChange(assign);
}
};
/**
* The filenames to include
*
* Copyright (C) 2010 Nikolay Nemshilov
*/
var R = RightJS,
$ = RightJS.$,
$$ = RightJS.$$,
$w = RightJS.$w,
$E = RightJS.$E,
$A = RightJS.$A,
isHash = RightJS.isHash,
Element = RightJS.Element;
/**
* RightJS UI Slider unit
*
* Copyright (C) 2009-2011 Nikolay Nemshilov
*/
var Slider = new Widget({
include: Updater,
extend: {
version: '2.2.3',
EVENTS: $w('change'),
Options: {
min: 0, // the min value
max: 100, // the max value
snap: 0, // the values threshold
value: null, // start value, if null then the min value will be used
direction: 'x', // slider direction 'x', 'y'
update: null, // reference to an element to update
round: 0 // the number of symbols after the decimal pointer
},
current: false
},
/**
* basic constructor
* USAGE:
* new Slider('element-id'[, {options}]);
* new Slider({options});
*
* @param mixed slider element reference or options
* @param Object options
*/
initialize: function() {
var args = $A(arguments).compact(), options = args.pop(), element = args.pop();
// figuring out the arguments
if (!isHash(options) || options instanceof Element) {
element = $(element || options);
options = {};
}
this.$super('slider', element).setOptions(options)
.on('selectstart', 'stopEvent'); // disable select under IE
this.level = this.first('.level') || $E('div', {'class': 'level'}).insertTo(this);
this.handle = this.first('.handle') || $E('div', {'class': 'handle'}).insertTo(this);
options = this.options;
this.value = options.value === null ? options.min : options.value;
if (options.update) { this.assignTo(options.update); }
if (options.direction === 'y') { this.addClass('rui-slider-vertical'); }
else if (this.hasClass('rui-slider-vertical')) { options.direction = 'y'; }
this.setValue(this.value);
},
/**
* The value setter
*
* NOTE: will get snapped according to the options
*
* @param mixed string or number value
* @return Slider this
*/
setValue: function(value) {
return this.precalc().shiftTo(value);
},
/**
* Returns the value
*
* @return Float number
*/
getValue: function() {
return this.value;
},
/**
* Inserts the widget into the element
*
* @param mixed element reference
* @param String optional position
* @return Slider this
*/
insertTo: function(element, position) {
return this.$super(element, position).setValue(this.value);
},
// protected
// precalculates dimensions, direction and offset for further use
precalc: function() {
var horizontal = this.options.direction === 'x',
handle = this.handle.setStyle(horizontal ? {left: 0} : {bottom: 0}).dimensions(),
handle_size = this.hSize = horizontal ? handle.width : handle.height,
dims = this.dims = this.dimensions();
this.offset = horizontal ? handle.left - dims.left : dims.top + dims.height - handle.top - handle_size;
this.space = (horizontal ? dims.width : dims.height) - handle_size - this.offset * 2;
return this;
},
// initializes the slider drag
start: function(event) {
return this.precalc().e2val(event);
},
// processes the slider-drag
move: function(event) {
return this.e2val(event);
},
// shifts the slider to the value
shiftTo: function(value) {
var options = this.options, base = Math.pow(10, options.round), horizontal = options.direction === 'x';
// rounding the value up
value = Math.round(value * base) / base;
// checking the value constraings
if (value < options.min) { value = options.min; }
if (value > options.max) { value = options.max; }
if (options.snap) {
var snap = options.snap;
var diff = (value - options.min) % snap;
value = diff < snap/2 ? value - diff : value - diff + snap;
}
// calculating and setting the actual position
var position = this.space / (options.max - options.min) * (value - options.min);
this.handle._.style[horizontal ? 'left' : 'bottom'] = position + 'px';
this.level._.style[horizontal ? 'width': 'height'] = ((position > 0 ? position : 0) + 2) + 'px';
// checking the change status
if (value !== this.value) {
this.value = value;
this.fire('change', {value: value});
}
return this;
},
// converts the event position into the actual value in terms of the slider measures
e2val: function(event) {
var options = this.options, horizontal = options.direction === 'x',
dims = this.dims, offset = this.offset, space = this.space,
cur_pos = event.position()[horizontal ? 'x' : 'y'] - offset - this.hSize/2,
min_pos = horizontal ? dims.left + offset : dims.top + offset,
value = (options.max - options.min) / space * (cur_pos - min_pos);
return this.shiftTo(horizontal ? options.min + value : options.max - value);
}
});
/**
* Document onReady hook for sliders
*
* Copyright (C) 2009-2010 Nikolay Nemshilov
*/
$(document).on({
// preinitializing the sliders
ready: function() {
$$('.rui-slider').each(function(element) {
if (!(element instanceof Slider)) {
element = new Slider(element);
}
});
},
// initiates the slider move
mousedown: function(event) {
var slider = event.find('.rui-slider');
if (slider) {
event.stop();
if (!(slider instanceof Slider)) {
slider = new Slider(slider);
}
Slider.current = slider.start(event);
}
},
// handles the slider move
mousemove: function(event) {
if (Slider.current) {
Slider.current.move(event);
}
},
// handles the slider release
mouseup: function(event) {
if (Slider.current) {
Slider.current = false;
}
}
});
$(window).onBlur(function() {
if (Slider.current) {
Slider.current = false;
}
});
var embed_style = document.createElement('style'),
embed_rules = document.createTextNode("div.rui-slider,div.rui-slider .handle div.rui-slider .level{margin:0;padding:0;border:none;background:none}div.rui-slider{height:0.4em;width:20em;border:1px solid #bbb;background:#F8F8F8;border-radius:.2em;-moz-border-radius:.2em;-webkit-border-radius:.2em;position:relative;margin:.6em 0;display:inline-block; *display:inline; *zoom:1;vertical-align:middle;user-select:none;-moz-user-select:none;-webkit-user-select:none;cursor:pointer}div.rui-slider .handle{font-size:25%;position:absolute;left:0;top:0;width:4pt;height:10pt;margin-top:-4pt;margin-left:0.4em;background:#BBB;border:1px solid #999;border-radius:.8em;-moz-border-radius:.8em;-webkit-border-radius:.8em;z-index:20}div.rui-slider .level{font-size:25%;position:absolute;top:0;left:0;width:0;height:100%;background:#ddd;z-index:1}div.rui-slider-vertical{height:10em;width:0.4em;margin:0 .3em}div.rui-slider-vertical .handle{top:auto;bottom:0;margin:0;margin-left:-4pt;margin-bottom:0.4em;height:5pt;width:10pt}div.rui-slider-vertical .level{height:0;width:100%;top:auto;bottom:0}");
embed_style.type = 'text/css';
document.getElementsByTagName('head')[0].appendChild(embed_style);
if(embed_style.styleSheet) {
embed_style.styleSheet.cssText = embed_rules.nodeValue;
} else {
embed_style.appendChild(embed_rules);
}
return Slider;
})(document, Math, RightJS);