/**
* RightJS-UI Autocompleter v2.2.1
* http://rightjs.org/ui/autocompleter
*
* Copyright (C) 2010-2011 Nikolay Nemshilov
*/
var Autocompleter = RightJS.Autocompleter = (function(document, 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 || []);
return Klass;
}
/**
* A shared module to create textual spinners
*
* Copyright (C) 2010-2011 Nikolay Nemshilov
*/
var Spinner = new RightJS.Class(RightJS.Element, {
/**
* Constructor
*
* @param Number optional spinner size (4 by default)
* @return void
*/
initialize: function(size) {
this.$super('div', {'class': 'rui-spinner'});
this.dots = [];
for (var i=0; i < (size || 4); i++) {
this.dots.push(new RightJS.Element('div'));
}
this.dots[0].addClass('glowing');
this.insert(this.dots);
RightJS(this.shift).bind(this).periodical(300);
},
/**
* Shifts the spinner elements
*
* @return void
*/
shift: function() {
if (this.visible()) {
var dot = this.dots.pop();
this.dots.unshift(dot);
this.insert(dot, 'top');
}
}
});
/**
* A shared module that toggles a widget visibility status
* in a uniformed way according to the options settings
*
* Copyright (C) 2010-2011 Nikolay Nemshilov
*/
var Toggler = {
/**
* Shows the element
*
* @param String fx-name
* @param Object fx-options
* @return Element this
*/
show: function(fx_name, fx_options) {
this.constructor.current = this;
return Toggler_toggle(this, 'show', fx_name, fx_options);
},
/**
* Hides the element
*
* @param String fx-name
* @param Object fx-options
* @return Element this
*/
hide: function(fx_name, fx_options) {
this.constructor.current = null;
return Toggler_toggle(this, 'show', fx_name, fx_options);
},
/**
* Toggles the widget at the given element
*
* @param Element the related element
* @param String position right/bottom (bottom is the default)
* @param Boolean marker if the element should be resized to the element size
* @return Widget this
*/
showAt: function(element, where, resize) {
this.hide(null).shownAt = element = RightJS.$(element);
// moves this element at the given one
Toggler_re_position.call(this, element, where, resize);
return this.show();
},
/**
* Toggles the widget at the given element
*
* @param Element the related element
* @param String position top/left/right/bottom (bottom is the default)
* @param Boolean marker if the element should be resized to the element size
* @return Widget this
*/
toggleAt: function(element, where, resize) {
return this.hidden() ? this.showAt(element, where, resize) : this.hide();
}
};
/**
* toggles the element's state according to the current settings
*
* @param event String 'show' or 'hide' the event name
* @param String an optional fx-name
* @param Object an optional fx-options hash
* @return void
*/
function Toggler_toggle(element, event, fx_name, fx_options) {
if (RightJS.Fx) {
if (fx_name === undefined) {
fx_name = element.options.fxName;
if (fx_options === undefined) {
fx_options = {
duration: element.options.fxDuration,
onFinish: RightJS(element.fire).bind(element, event)
};
// hide on double time
if (event === 'hide') {
fx_options.duration = (RightJS.Fx.Durations[fx_options.duration] ||
fx_options.duration) / 2;
}
}
}
}
// manually trigger the event if no fx were specified
if (!RightJS.Fx || !fx_name) { element.fire(event); }
return element.$super(fx_name, fx_options);
}
/**
* Relatively positions the current element
* against the specified one
*
* NOTE: this function is called in a context
* of another element
*
* @param Element the target element
* @param String position 'right' or 'bottom'
* @param Boolean if `true` then the element size will be adjusted
* @return void
*/
function Toggler_re_position(element, where, resize) {
var anchor = this.reAnchor || (this.reAnchor =
new RightJS.Element('div', {'class': 'rui-re-anchor'}))
.insert(this),
pos = anchor.insertTo(element, 'after').position(),
dims = element.dimensions(), target = this,
border_top = parseInt(element.getStyle('borderTopWidth')),
border_left = parseInt(element.getStyle('borderLeftWidth')),
border_right = parseInt(element.getStyle('borderRightWidth')),
border_bottom = parseInt(element.getStyle('borderBottomWidth')),
top = dims.top - pos.y + border_top,
left = dims.left - pos.x + border_left,
width = dims.width - border_left - border_right,
height = dims.height - border_top - border_bottom;
// making the element to appear so we could read it's sizes
target.setStyle('visibility:hidden').show(null);
if (where === 'right') {
left += width - target.size().x;
} else { // bottom
top += height;
}
target.moveTo(left, top);
if (resize) {
if (where === 'left' || where === 'right') {
target.setHeight(height);
} else {
target.setWidth(width);
}
}
// rolling the invisibility back
target.setStyle('visibility:visible').hide(null);
}
/**
* Autocompleter initializer
*
* Copyright (C) 2010 Nikolay Nemshilov
*/
var R = RightJS,
$ = RightJS.$,
$w = RightJS.$w,
$E = RightJS.$E,
Xhr = RightJS.Xhr,
RegExp = RightJS.RegExp,
isArray = RightJS.isArray;
/**
* The RightJS UI Autocompleter unit base class
*
* Copyright (C) 2009-2011 Nikolay Nemshilov
*/
var Autocompleter = new Widget('UL', {
include: Toggler,
extend: {
version: '2.2.1',
EVENTS: $w('show hide update load select done'),
Options: {
url: document.location.href,
param: 'search',
method: 'get',
minLength: 1, // the minimal length when it starts work
threshold: 200, // the typing pause threshold
cache: true, // use the results cache
local: null, // an optional local search results list
fxName: 'slide', // list appearance fx name
fxDuration: 'short', // list appearance fx duration
spinner: 'native', // spinner element reference
cssRule: 'input[data-autocompleter]' // the auto-initialization css-rule
}
},
/**
* basic constructor
*
* @param mixed the input element reference, a string id or the element instance
* @param Object options
*/
initialize: function(input, options) {
this.input = $(input); // KEEP IT before the super call
this
.$super('autocompleter', options)
.addClass('rui-dd-menu')
.onMousedown(this.clicked);
this.input.autocompleter = this;
},
/**
* Destructor
*
* @return Autocompleter this
*/
destroy: function() {
delete(this.input.autocompleter);
return this;
},
/**
* picks the next item on the list
*
* @return Autocompleter this
*/
prev: function() {
return this.pick('prev');
},
/**
* picks the next item on the list
*
* @return Autocompleter this
*/
next: function() {
return this.pick('next');
},
/**
* triggers the done event, sets up the value and closes the list
*
* @return Autocompleter this
*/
done: function(current) {
current = current || this.first('li.current');
if (current) {
current.radioClass('current');
this.input.setValue(current._.textContent || current._.innerText);
this.fire('done');
}
return this.hide();
},
// protected
// preprocessing the urls a bit
setOptions: function(options) {
this.$super(options, this.input);
options = this.options;
// building the correct url template with a placeholder
if (!R(options.url).includes('%{search}')) {
options.url += (R(options.url).includes('?') ? '&' : '?') + options.param + '=%{search}';
}
},
// works with the 'prev' and 'next' methods
pick: function(which_one) {
var items = this.children(),
current = items.first('hasClass', 'current'),
index = items.indexOf(current);
if (which_one == 'prev') {
current = index < 1 ? items.last() : items[index < 0 ? 0 : (index-1)];
} else if (which_one == 'next') {
current = index < 0 || index == (items.length - 1) ?
items.first() : items[index + 1];
}
return this.fire('select', {item: current.radioClass('current')});
},
// handles mouse clicks on the list element
clicked: function(event) {
this.done(event.stop().find('li'));
},
// handles the key-press events
keypressed: function(event) {
if (this.input.value().length >= this.options.minLength) {
if (this.timeout) {
this.timeout.cancel();
}
this.timeout = R(this.trigger).bind(this).delay(this.options.threshold);
} else {
return this.hide();
}
},
// triggers the actual action
trigger: function() {
this.timeout = null;
this.cache = this.cache || {};
var search = this.input.value(), options = this.options;
if (search.length < options.minLength) { return this.hide(); }
if (this.cache[search]) {
this.suggest(this.cache[search], search);
} else if (isArray(options.local)) {
this.suggest(this.findLocal(search), search);
} else {
this.request = Xhr.load(options.url.replace('%{search}', encodeURIComponent(search)), {
method: options.method,
spinner: this.getSpinner(),
onComplete: R(function(response) {
this.fire('load').suggest(response.text, search);
}).bind(this)
});
}
},
// updates the suggestions list
suggest: function(result_text, search) {
// saving the result in cache
if (this.options.cache) {
this.cache[search] = result_text;
}
if (!R(result_text).blank()) {
this.update(result_text.replace(/<ul[^>]*>|<\/ul>/im, ''));
this.fire('update');
if (!this._connected || this.hidden()) {
this.showAt(this.input, 'bottom', 'resize');
this._connected = true;
}
} else {
this.hide();
}
return this;
},
// performs the locals search
findLocal: function(search) {
var regexp = new RegExp("("+RegExp.escape(search)+")", 'ig');
return R(this.options.local).map(function(option) {
if (option.match(regexp)) {
return '<li>'+ option.replace(regexp, '<strong>$1</strong>') +'</li>';
}
}).compact().join('');
},
// builds a native textual spinner if necessary
getSpinner: function() {
var options = this.options, spinner = options.spinner;
if (spinner == 'native') {
spinner = options.spinner = new Spinner(3).insertTo(this);
spinner.addClass('rui-autocompleter-spinner');
}
// positioning the native spinner
if (spinner instanceof Spinner) {
Toggler_re_position.call(spinner, this.input, 'right', 'resize');
}
return spinner;
}
});
/**
* The document events hooking
*
* Copyright (C) 2009-2010 Nikolay Nemshilov
*/
$(document).on({
/**
* Initializes autocompleters on-focus
*
* @param Event focus
* @return void
*/
focus: function(event) {
var target = event.target;
if (target && (target instanceof RightJS.Element) && (target.autocompleter || target.match(Autocompleter.Options.cssRule))) {
if (!target.autocompleter) {
new Autocompleter(target);
}
}
},
/**
* Hides autocompleters on-blur
*
* @param Event blur
* @return void
*/
blur: function(event) {
var autocompleter = event.target ? event.target.autocompleter : null;
if (autocompleter && autocompleter.visible()) {
autocompleter.hide();
}
},
/**
* Catching the basic keyboard events
* to navigate through the autocompletion list
*
* @param Event keydown
* @return void
*/
keydown: function(event) {
var autocompleter = event.target ? event.target.autocompleter : null;
if (autocompleter && autocompleter.visible()) {
var method_name = ({
27: 'hide', // Esc
38: 'prev', // Up
40: 'next', // Down
13: 'done' // Enter
})[event.keyCode];
if (method_name) {
event.stop();
autocompleter[method_name]();
}
}
},
/**
* Catches the input fields keyup events
* and tries to make the autocompleter to show some suggestions
*
* @param Event keyup
* @return void
*/
keyup: function(event) {
var autocompleter = event.target ? event.target.autocompleter : null;
if (autocompleter && !R([9, 27, 37, 38, 39, 40, 13]).include(event.keyCode)) {
autocompleter.keypressed(event);
}
}
});
var embed_style = document.createElement('style'),
embed_rules = document.createTextNode("*.rui-dd-menu, *.rui-dd-menu li{margin:0;padding:0;border:none;background:none;list-style:none;font-weight:normal;float:none} *.rui-dd-menu{display:none;position:absolute;z-index:9999;background:white;border:1px solid #BBB;border-radius:.2em;-moz-border-radius:.2em;-webkit-border-radius:.2em;box-shadow:#DDD .2em .2em .4em;-moz-box-shadow:#DDD .2em .2em .4em;-webkit-box-shadow:#DDD .2em .2em .4em} *.rui-dd-menu li{padding:.2em .4em;border-top:none;border-bottom:none;cursor:pointer} *.rui-dd-menu li.current{background:#DDD} *.rui-dd-menu li:hover{background:#EEE}dl.rui-dd-menu dt{padding:.3em .5em;cursor:default;font-weight:bold;font-style:italic;color:#444;background:#EEE}dl.rui-dd-menu dd li{padding-left:1.5em}div.rui-spinner,div.rui-spinner div{margin:0;padding:0;border:none;background:none;list-style:none;font-weight:normal;float:none;display:inline-block; *display:inline; *zoom:1;border-radius:.12em;-moz-border-radius:.12em;-webkit-border-radius:.12em}div.rui-spinner{text-align:center;white-space:nowrap;background:#EEE;border:1px solid #DDD;height:1.2em;padding:0 .2em}div.rui-spinner div{width:.4em;height:70%;background:#BBB;margin-left:1px}div.rui-spinner div:first-child{margin-left:0}div.rui-spinner div.glowing{background:#777}div.rui-re-anchor{margin:0;padding:0;background:none;border:none;float:none;display:inline;position:absolute;z-index:9999}.rui-autocompleter{border-top-color:#DDD !important;border-top-left-radius:0 !important;border-top-right-radius:0 !important;-moz-border-radius-topleft:0 !important;-moz-border-radius-topright:0 !important;-webkit-border-top-left-radius:0 !important;-webkit-border-top-right-radius:0 !important}.rui-autocompleter-spinner{border:none !important;background:none !important;position:absolute;z-index:9999}.rui-autocompleter-spinner div{margin-top:.2em !important; *margin-top:0.1em !important}");
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 Autocompleter;
})(document, RightJS);