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Widget: conform to coding standards.

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@scottgonzalez
scottgonzalez committed Jan 15, 2010
1 parent 7d96a0d commit 003cb9d008c8d822676b4341dbecbaeb0653f45a
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Showing with 100 additions and 87 deletions.
  1. +100 −87 ui/jquery.ui.widget.js
187 ui/jquery.ui.widget.js
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@@ -7,213 +7,226 @@
*
* http://docs.jquery.com/UI/Widget
*/
(function($) {
(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");
$( "*", this ).add( this ).each(function() {
$( this ).triggerHandler( "remove" );
});
return _remove.apply(this, arguments);
return _remove.apply( this, arguments );
};

$.widget = function(name, base, prototype) {
var namespace = name.split(".")[0],
$.widget = function( name, base, prototype ) {
var namespace = name.split( "." )[ 0 ],
fullName;
name = name.split(".")[1];
fullName = namespace + '-' + name;
name = name.split( "." )[ 1 ];
fullName = namespace + "-" + name;

if (!prototype) {
if ( !prototype ) {
prototype = base;
base = $.Widget;
}

// create selector for plugin
$.expr[':'][fullName] = function(elem) {
return !!$.data(elem, name);
$.expr[ ":" ][ fullName ] = function( elem ) {
return !!$.data( elem, name );
};

$[namespace] = $[namespace] || {};
$[namespace][name] = function(options, element) {
$[ namespace ] = $[ namespace ] || {};
$[ namespace ][ name ] = function( options, element ) {
// allow instantiation without initializing for simple inheritance
(arguments.length && this._createWidget(options, element));
if ( arguments.length ) {
this._createWidget( options, element );
}
};

var basePrototype = new base();
// we need to make the options hash a property directly on the new instance
// otherwise we'll modify the options hash on the prototype that we're
// inheriting from
// $.each(basePrototype, function(key, val) {
// if ($.isPlainObject(val)) {
// basePrototype[key] = $.extend({}, val);
// $.each( basePrototype, function( key, val ) {
// if ( $.isPlainObject(val) ) {
// basePrototype[ key ] = $.extend( {}, val );
// }
// });
basePrototype.options = $.extend({}, basePrototype.options);
$[namespace][name].prototype = $.extend(true, basePrototype, {
basePrototype.options = $.extend( {}, basePrototype.options );
$[ namespace ][ name ].prototype = $.extend( true, basePrototype, {
namespace: namespace,
widgetName: name,
widgetEventPrefix: $[namespace][name].prototype.widgetEventPrefix || name,
widgetEventPrefix: $[ namespace ][ name ].prototype.widgetEventPrefix || name,
widgetBaseClass: fullName
}, prototype);
}, prototype );

$.widget.bridge(name, $[namespace][name]);
$.widget.bridge( name, $[ namespace ][ name ] );
};

$.widget.bridge = function(name, object) {
$.fn[name] = function(options) {
var isMethodCall = (typeof options == 'string'),
args = Array.prototype.slice.call(arguments, 1),
$.widget.bridge = function( name, object ) {
$.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) == '_') {
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) {
if ( 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) || $.data(this, name, new object(options, this)));
}));
});
} else {
this.each(function() {
if ( !$.data( this, name ) ) {
$.data( this, name, new object( options, this ) );
}
});
}

return returnValue;
};
};

$.Widget = function(options, element) {
$.Widget = function( options, element ) {
// allow instantiation without initializing for simple inheritance
(arguments.length && this._createWidget(options, element));
if ( arguments.length ) {
this._createWidget( options, element );
}
};

$.Widget.prototype = {
widgetName: 'widget',
widgetEventPrefix: '',
widgetName: "widget",
widgetEventPrefix: "",
options: {
disabled: false
},
_createWidget: function(options, element) {
_createWidget: function( options, element ) {
// $.widget.bridge stores the plugin instance, but we do it anyway
// so that it's stored even before the _create function runs
this.element = $(element).data(this.widgetName, this);
this.options = $.extend(true, {},
this.element = $( element ).data( this.widgetName, this );
this.options = $.extend( true, {},
this.options,
// DEPRECATED: move defaults to prototype.options
$[this.namespace][this.widgetName].defaults,
$.metadata && $.metadata.get(element)[this.widgetName],
options);
$.metadata && $.metadata.get( element )[ this.widgetName ],
options );

var self = this;
this.element.bind('remove.' + this.widgetName, function() {
this.element.bind( "remove." + this.widgetName, function() {
self.destroy();
});

(this._create && this._create(options, element));
(this._init && this._init());
if ( this._create ) {
this._create( options, element );
}
if ( this._init ) {
this._init();
}
},

destroy: function() {
this.element
.unbind('.' + this.widgetName)
.removeData(this.widgetName);
.unbind( "." + this.widgetName )
.removeData( this.widgetName );
this.widget()
.unbind('.' + this.widgetName)
.removeAttr('aria-disabled')
.unbind( "." + this.widgetName )
.removeAttr( "aria-disabled" )
.removeClass(
this.widgetBaseClass + '-disabled ' +
this.namespace + '-state-disabled');
this.widgetBaseClass + "-disabled " +
this.namespace + "-state-disabled" );
},

widget: function() {
return this.element;
},

option: function(key, value) {
option: function( key, value ) {
var options = key,
self = this;

if (arguments.length === 0) {
if ( arguments.length === 0 ) {
// don't return a reference to the internal hash
return $.extend({}, self.options);
return $.extend( {}, self.options );
}

if (typeof key == "string") {
if (value === undefined) {
return this.options[key];
if (typeof key === "string" ) {
if ( value === undefined ) {
return this.options[ key ];
}
options = {};
options[key] = value;
options[ key ] = value;
}

$.each(options, function(key, value) {
self._setOption(key, value);
$.each( options, function( key, value ) {
self._setOption( key, value );
});

return self;
},
_setOption: function(key, value) {
this.options[key] = value;
_setOption: function( key, value ) {
this.options[ key ] = value;

if (key == 'disabled') {
if ( key === "disabled" ) {
this.widget()
[value ? 'addClass' : 'removeClass'](
this.widgetBaseClass + '-disabled' + ' ' +
this.namespace + '-state-disabled')
.attr("aria-disabled", value);
[ value ? "addClass" : "removeClass"](
this.widgetBaseClass + "-disabled" + " " +
this.namespace + "-state-disabled" )
.attr( "aria-disabled", value );
}

return this;
},

enable: function() {
return this._setOption('disabled', false);
return this._setOption( "disabled", false );
},
disable: function() {
return this._setOption('disabled', true);
return this._setOption( "disabled", true );
},

_trigger: function(type, event, data) {
var callback = this.options[type];
_trigger: function( type, event, data ) {
var callback = this.options[ type ];

event = $.Event(event);
event.type = (type == this.widgetEventPrefix
? type : this.widgetEventPrefix + type).toLowerCase();
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];
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);
this.element.trigger( event, data );

return !($.isFunction(callback) && callback.call(this.element[0], event, data) === false
return !($.isFunction(callback) && callback.call( this.element[0], event, data ) === false
|| event.isDefaultPrevented());
}
};

// DEPRECATED: use the plugin's parent widget instead of $.widget
$.widget.prototype = $.Widget.prototype;

})(jQuery);
})( jQuery );

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