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/*!
* jQuery UI Widget @VERSION
*
* Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI/Widget
*/
(function($) {
var _remove = $.fn.remove;
$.fn.remove = function() {
// Safari has a native remove event which actually removes DOM elements,
// so we have to use triggerHandler instead of trigger (#3037).
$("*", this).add(this).each(function() {
$(this).triggerHandler("remove");
});
return _remove.apply(this, arguments);
};
// $.widget is a factory to create jQuery plugins
// taking some boilerplate code out of the plugin code
$.widget = function(name, prototype) {
var namespace = name.split(".")[0],
fullName;
name = name.split(".")[1];
fullName = namespace + '-' + name;
// create selector for plugin
$.expr[':'][fullName] = function(elem) {
return !!$.data(elem, name);
};
// create plugin method
$.fn[name] = function(options) {
var isMethodCall = (typeof options == 'string'),
args = Array.prototype.slice.call(arguments, 1),
returnValue = this;
// allow multiple hashes to be passed on init
options = !isMethodCall && args.length
? $.extend.apply(null, [true, options].concat(args))
: options;
// prevent calls to internal methods
if (isMethodCall && options.substring(0, 1) == '_') {
return returnValue;
}
(isMethodCall
? this.each(function() {
var instance = $.data(this, name),
methodValue = (instance && $.isFunction(instance[options])
? instance[options].apply(instance, args)
: instance);
if (methodValue !== instance && methodValue !== undefined) {
returnValue = methodValue;
return false;
}
})
: this.each(function() {
($.data(this, name) ||
$.data(this, name, new $[namespace][name](this, options))._init());
}));
return returnValue;
};
// create widget constructor
$[namespace] = $[namespace] || {};
$[namespace][name] = function(element, options) {
var self = this;
this.namespace = namespace;
this.widgetName = name;
this.widgetEventPrefix = $[namespace][name].eventPrefix || name;
this.widgetBaseClass = fullName;
this.options = $.extend(true, {},
$.widget.defaults,
$[namespace][name].defaults,
$.metadata && $.metadata.get(element)[name],
options);
this.element = $(element)
.bind('setData.' + name, function(event, key, value) {
if (event.target == element) {
return self._setData(key, value);
}
})
.bind('getData.' + name, function(event, key) {
if (event.target == element) {
return self._getData(key);
}
})
.bind('remove.' + name, function() {
return self.destroy();
});
};
// add widget prototype
$[namespace][name].prototype = $.extend({}, $.widget.prototype, prototype);
};
$.widget.prototype = {
_init: function() {},
destroy: function() {
this.element.removeData(this.widgetName)
.removeClass(this.widgetBaseClass + '-disabled' + ' ' + this.namespace + '-state-disabled')
.removeAttr('aria-disabled');
return this;
},
option: function(key, value) {
var options = key,
self = this;
if (typeof key == "string") {
if (value === undefined) {
return this._getData(key);
}
options = {};
options[key] = value;
}
$.each(options, function(key, value) {
self._setData(key, value);
});
return self;
},
_getData: function(key) {
return this.options[key];
},
_setData: function(key, value) {
this.options[key] = value;
if (key == 'disabled') {
this.element
[value ? 'addClass' : 'removeClass'](
this.widgetBaseClass + '-disabled' + ' ' +
this.namespace + '-state-disabled')
.attr("aria-disabled", value);
}
},
enable: function() {
this._setData('disabled', false);
return this;
},
disable: function() {
this._setData('disabled', true);
return this;
},
_trigger: function(type, event, data) {
var callback = this.options[type];
event = $.Event(event);
event.type = (type == this.widgetEventPrefix
? type : this.widgetEventPrefix + type).toLowerCase();
data = data || {};
// copy original event properties over to the new event
// this would happen if we could call $.event.fix instead of $.Event
// but we don't have a way to force an event to be fixed multiple times
if (event.originalEvent) {
for (var i = $.event.props.length, prop; i;) {
prop = $.event.props[--i];
event[prop] = event.originalEvent[prop];
}
}
this.element.trigger(event, data);
return !($.isFunction(callback) && callback.call(this.element[0], event, data) === false
|| event.isDefaultPrevented());
}
};
$.widget.defaults = {
disabled: false
};
})(jQuery);
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