mirror of
https://github.com/jquery/jquery-ui.git
synced 2024-11-21 11:04:24 +00:00
Widget: Allow redefining a widget after other widgets have inherited from it.
This commit is contained in:
Scott González
parent
e496cde384
commit
8cd4a8330c
@ -281,7 +281,7 @@ test( "enable", function() {
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var element = $( "#tabs1" ).tabs({
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disabled: [ 0, 1 ],
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enable: function ( event, ui ) {
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enable: function( event, ui ) {
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equals( ui.tab, element.find( ".ui-tabs-nav a" )[ 1 ], "ui.tab" );
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equals( ui.panel, element.find( ".ui-tabs-panel" )[ 1 ], "ui.panel" );
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equals( ui.index, 1, "ui.index" );
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@ -296,10 +296,10 @@ test( "disable", function() {
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expect( 3 );
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var element = $( "#tabs1" ).tabs({
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disable: function ( event, ui ) {
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equals( ui.tab, element.find( ".ui-tabs-nav a" )[ 1 ], "ui.tab" );
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equals( ui.panel, element.find( ".ui-tabs-panel" )[ 1 ], "ui.panel" );
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equals( ui.index, 1, "ui.index" );
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disable: function( event, ui ) {
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equals( ui.tab, element.find( ".ui-tabs-nav a" )[ 1 ], "ui.tab" );
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equals( ui.panel, element.find( ".ui-tabs-panel" )[ 1 ], "ui.panel" );
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equals( ui.index, 1, "ui.index" );
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}
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});
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element.tabs( "disable", 1 );
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@ -1050,11 +1050,54 @@ test( "redefine", function() {
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}
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});
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var instance = new $.ui.testWidget();
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var instance = new $.ui.testWidget({});
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instance.method( "foo" );
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equal( $.ui.testWidget.foo, "bar", "static properties remain" );
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});
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test( "redefine deep prototype chain", function() {
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expect( 8 );
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$.widget( "ui.testWidget", {
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method: function( str ) {
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strictEqual( this, instance, "original invoked with correct this" );
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equal( str, "level 4", "original invoked with correct parameter" );
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}
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});
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$.widget( "ui.testWidget2", $.ui.testWidget, {
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method: function( str ) {
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strictEqual( this, instance, "testWidget2 invoked with correct this" );
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equal( str, "level 2", "testWidget2 invoked with correct parameter" );
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this._super( "level 3" );
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}
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});
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$.widget( "ui.testWidget3", $.ui.testWidget2, {
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method: function( str ) {
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strictEqual( this, instance, "testWidget3 invoked with correct this" );
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equal( str, "level 1", "testWidget3 invoked with correct parameter" );
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this._super( "level 2" );
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}
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});
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// redefine testWidget after other widgets have inherited from it
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// this tests whether the inheriting widgets get updated prototype chains
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$.widget( "ui.testWidget", $.ui.testWidget, {
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method: function( str ) {
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strictEqual( this, instance, "new invoked with correct this" );
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equal( str, "level 3", "new invoked with correct parameter" );
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this._super( "level 4" );
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}
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});
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// redefine testWidget3 after it has been automatically redefined
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// this tests whether we properly handle _super() when the topmost prototype
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// doesn't have the method defined
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$.widget( "ui.testWidget3", $.ui.testWidget3, {} );
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var instance = new $.ui.testWidget3({});
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instance.method( "level 1" );
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delete $.ui.testWidget3;
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delete $.ui.testWidget2;
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});
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asyncTest( "_delay", function() {
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expect( 6 );
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var order = 0,
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262
ui/jquery.ui.tabs.js
vendored
262
ui/jquery.ui.tabs.js
vendored
@ -596,86 +596,79 @@ if ( $.uiBackCompat !== false ) {
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};
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// url method
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(function( $, prototype ) {
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prototype.url = function( index, url ) {
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$.widget( "ui.tabs", $.ui.tabs, {
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url: function( index, url ) {
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this.anchors.eq( index ).attr( "href", url );
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};
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}( jQuery, jQuery.ui.tabs.prototype ) );
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}
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});
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// ajaxOptions and cache options
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(function( $, prototype ) {
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$.extend( prototype.options, {
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$.widget( "ui.tabs", $.ui.tabs, {
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options: {
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ajaxOptions: null,
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cache: false
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});
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},
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var _create = prototype._create,
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_setOption = prototype._setOption,
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_destroy = prototype._destroy,
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oldurl = prototype.url || $.noop;
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_create: function() {
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this._super();
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$.extend( prototype, {
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_create: function() {
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_create.call( this );
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var self = this;
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var self = this;
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this.element.bind( "tabsbeforeload.tabs", function( event, ui ) {
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// tab is already cached
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if ( $.data( ui.tab[ 0 ], "cache.tabs" ) ) {
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event.preventDefault();
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return;
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}
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$.extend( ui.ajaxSettings, self.options.ajaxOptions, {
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error: function( xhr, s, e ) {
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try {
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// Passing index avoid a race condition when this method is
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// called after the user has selected another tab.
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// Pass the anchor that initiated this request allows
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// loadError to manipulate the tab content panel via $(a.hash)
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self.options.ajaxOptions.error( xhr, s, ui.tab.closest( "li" ).index(), ui.tab[ 0 ] );
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}
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catch ( e ) {}
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}
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});
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ui.jqXHR.success(function() {
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if ( self.options.cache ) {
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$.data( ui.tab[ 0 ], "cache.tabs", true );
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}
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});
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});
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},
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_setOption: function( key, value ) {
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// reset cache if switching from cached to not cached
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if ( key === "cache" && value === false ) {
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this.anchors.removeData( "cache.tabs" );
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this.element.bind( "tabsbeforeload.tabs", function( event, ui ) {
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// tab is already cached
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if ( $.data( ui.tab[ 0 ], "cache.tabs" ) ) {
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event.preventDefault();
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return;
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}
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_setOption.apply( this, arguments );
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},
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_destroy: function() {
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$.extend( ui.ajaxSettings, self.options.ajaxOptions, {
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error: function( xhr, s, e ) {
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try {
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// Passing index avoid a race condition when this method is
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// called after the user has selected another tab.
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// Pass the anchor that initiated this request allows
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// loadError to manipulate the tab content panel via $(a.hash)
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self.options.ajaxOptions.error( xhr, s, ui.tab.closest( "li" ).index(), ui.tab[ 0 ] );
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}
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catch ( e ) {}
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}
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});
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ui.jqXHR.success(function() {
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if ( self.options.cache ) {
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$.data( ui.tab[ 0 ], "cache.tabs", true );
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}
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});
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});
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},
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_setOption: function( key, value ) {
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// reset cache if switching from cached to not cached
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if ( key === "cache" && value === false ) {
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this.anchors.removeData( "cache.tabs" );
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_destroy.call( this );
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},
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url: function( index, url ){
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this.anchors.eq( index ).removeData( "cache.tabs" );
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oldurl.apply( this, arguments );
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}
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});
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}( jQuery, jQuery.ui.tabs.prototype ) );
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this._super( key, value );
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},
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_destroy: function() {
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this.anchors.removeData( "cache.tabs" );
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this._super();
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},
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url: function( index, url ){
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this.anchors.eq( index ).removeData( "cache.tabs" );
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this._superApply( arguments );
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}
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});
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// abort method
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(function( $, prototype ) {
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prototype.abort = function() {
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$.widget( "ui.tabs", $.ui.tabs, {
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abort: function() {
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if ( this.xhr ) {
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this.xhr.abort();
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}
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};
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}( jQuery, jQuery.ui.tabs.prototype ) );
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}
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});
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// spinner
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$.widget( "ui.tabs", $.ui.tabs, {
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@ -702,16 +695,13 @@ if ( $.uiBackCompat !== false ) {
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});
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// enable/disable events
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(function( $, prototype ) {
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$.extend( prototype.options, {
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$.widget( "ui.tabs", $.ui.tabs, {
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options: {
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enable: null,
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disable: null
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});
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},
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var enable = prototype.enable,
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disable = prototype.disable;
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prototype.enable = function( index ) {
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enable: function( index ) {
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var options = this.options,
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trigger;
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@ -720,14 +710,14 @@ if ( $.uiBackCompat !== false ) {
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trigger = true;
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}
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enable.apply( this, arguments );
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this._superApply( arguments );
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if ( trigger ) {
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this._trigger( "enable", null, this._ui( this.anchors[ index ], this.panels[ index ] ) );
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}
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};
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},
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prototype.disable = function( index ) {
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disable: function( index ) {
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var options = this.options,
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trigger;
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@ -736,23 +726,23 @@ if ( $.uiBackCompat !== false ) {
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trigger = true;
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}
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disable.apply( this, arguments );
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this._superApply( arguments );
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if ( trigger ) {
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this._trigger( "disable", null, this._ui( this.anchors[ index ], this.panels[ index ] ) );
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}
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};
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}( jQuery, jQuery.ui.tabs.prototype ) );
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}
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});
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// add/remove methods and events
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(function( $, prototype ) {
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$.extend( prototype.options, {
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$.widget( "ui.tabs", $.ui.tabs, {
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options: {
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add: null,
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remove: null,
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tabTemplate: "<li><a href='#{href}'><span>#{label}</span></a></li>"
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});
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},
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prototype.add = function( url, label, index ) {
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add: function( url, label, index ) {
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if ( index === undefined ) {
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index = this.anchors.length;
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}
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@ -803,9 +793,9 @@ if ( $.uiBackCompat !== false ) {
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this._trigger( "add", null, this._ui( this.anchors[ index ], this.panels[ index ] ) );
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return this;
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};
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},
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prototype.remove = function( index ) {
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remove: function( index ) {
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index = this._getIndex( index );
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var options = this.options,
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tab = this.lis.eq( index ).remove(),
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@ -832,125 +822,117 @@ if ( $.uiBackCompat !== false ) {
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this._trigger( "remove", null, this._ui( tab.find( "a" )[ 0 ], panel[ 0 ] ) );
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return this;
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};
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}( jQuery, jQuery.ui.tabs.prototype ) );
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}
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});
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// length method
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(function( $, prototype ) {
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prototype.length = function() {
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$.widget( "ui.tabs", $.ui.tabs, {
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length: function() {
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return this.anchors.length;
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};
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}( jQuery, jQuery.ui.tabs.prototype ) );
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}
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});
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// panel ids (idPrefix option + title attribute)
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(function( $, prototype ) {
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$.extend( prototype.options, {
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$.widget( "ui.tabs", $.ui.tabs, {
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options: {
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idPrefix: "ui-tabs-"
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});
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},
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var _tabId = prototype._tabId;
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prototype._tabId = function( a ) {
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_tabId: function( a ) {
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return $( a ).attr( "aria-controls" ) ||
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a.title && a.title.replace( /\s/g, "_" ).replace( /[^\w\u00c0-\uFFFF-]/g, "" ) ||
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this.options.idPrefix + getNextTabId();
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};
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}( jQuery, jQuery.ui.tabs.prototype ) );
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}
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});
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// _createPanel method
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(function( $, prototype ) {
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$.extend( prototype.options, {
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$.widget( "ui.tabs", $.ui.tabs, {
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options: {
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panelTemplate: "<div></div>"
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});
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},
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var _createPanel = prototype._createPanel;
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prototype._createPanel = function( id ) {
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_createPanel: function( id ) {
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return $( this.options.panelTemplate )
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.attr( "id", id )
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.addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom" )
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.data( "destroy.tabs", true );
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};
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}( jQuery, jQuery.ui.tabs.prototype ) );
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.attr( "id", id )
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.addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom" )
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.data( "destroy.tabs", true );
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}
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});
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// selected option
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(function( $, prototype ) {
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var _create = prototype._create,
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_setOption = prototype._setOption,
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_eventHandler = prototype._eventHandler;
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prototype._create = function() {
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$.widget( "ui.tabs", $.ui.tabs, {
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_create: function() {
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var options = this.options;
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if ( options.active === null && options.selected !== undefined ) {
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options.active = options.selected === -1 ? false : options.selected;
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}
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_create.call( this );
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this._super();
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options.selected = options.active;
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if ( options.selected === false ) {
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options.selected = -1;
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}
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};
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},
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prototype._setOption = function( key, value ) {
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_setOption: function( key, value ) {
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if ( key !== "selected" ) {
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return _setOption.apply( this, arguments );
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return this._super( key, value );
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}
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var options = this.options;
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_setOption.call( this, "active", value === -1 ? false : value );
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this._super( "active", value === -1 ? false : value );
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options.selected = options.active;
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if ( options.selected === false ) {
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options.selected = -1;
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}
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};
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},
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prototype._eventHandler = function( event ) {
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_eventHandler.apply( this, arguments );
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_eventHandler: function( event ) {
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this._superApply( arguments );
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this.options.selected = this.options.active;
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if ( this.options.selected === false ) {
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this.options.selected = -1;
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}
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};
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}( jQuery, jQuery.ui.tabs.prototype ) );
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}
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});
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// show and select event
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(function( $, prototype ) {
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$.extend( prototype.options, {
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$.widget( "ui.tabs", $.ui.tabs, {
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options: {
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show: null,
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select: null
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});
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var _create = prototype._create,
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_trigger = prototype._trigger;
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prototype._create = function() {
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_create.call( this );
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},
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_create: function() {
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this._super();
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if ( this.options.active !== false ) {
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this._trigger( "show", null, this._ui(
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this.active[ 0 ], this._getPanelForTab( this.active )[ 0 ] ) );
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}
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};
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prototype._trigger = function( type, event, data ) {
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var ret = _trigger.apply( this, arguments );
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},
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_trigger: function( type, event, data ) {
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var ret = this._superApply( arguments );
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if ( !ret ) {
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return false;
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}
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if ( type === "beforeActivate" && data.newTab.length ) {
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ret = _trigger.call( this, "select", event, {
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ret = this._super( "select", event, {
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tab: data.newTab[ 0],
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panel: data.newPanel[ 0 ],
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index: data.newTab.closest( "li" ).index()
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});
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} else if ( type === "activate" && data.newTab.length ) {
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ret = _trigger.call( this, "show", event, {
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ret = this._super( "show", event, {
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tab: data.newTab[ 0 ],
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panel: data.newPanel[ 0 ],
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index: data.newTab.closest( "li" ).index()
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});
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}
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};
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}( jQuery, jQuery.ui.tabs.prototype ) );
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return ret;
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}
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});
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// select method
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(function( $, prototype ) {
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prototype.select = function( index ) {
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$.widget( "ui.tabs", $.ui.tabs, {
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select: function( index ) {
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index = this._getIndex( index );
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if ( index === -1 ) {
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if ( this.options.collapsible && this.options.selected !== -1 ) {
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@ -960,8 +942,8 @@ if ( $.uiBackCompat !== false ) {
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}
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}
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this.anchors.eq( index ).trigger( this.options.event + ".tabs" );
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};
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}( jQuery, jQuery.ui.tabs.prototype ) );
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}
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});
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// cookie option
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var listId = 0;
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74
ui/jquery.ui.widget.js
vendored
74
ui/jquery.ui.widget.js
vendored
@ -23,8 +23,9 @@ $.cleanData = function( elems ) {
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};
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$.widget = function( name, base, prototype ) {
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var namespace = name.split( "." )[ 0 ],
|
||||
fullName;
|
||||
var fullName, existingConstructor, constructor, basePrototype,
|
||||
namespace = name.split( "." )[ 0 ];
|
||||
|
||||
name = name.split( "." )[ 1 ];
|
||||
fullName = namespace + "-" + name;
|
||||
|
||||
@ -39,12 +40,11 @@ $.widget = function( name, base, prototype ) {
|
||||
};
|
||||
|
||||
$[ namespace ] = $[ namespace ] || {};
|
||||
// create the constructor using $.extend() so we can carry over any
|
||||
// static properties stored on the existing constructor (if there is one)
|
||||
$[ namespace ][ name ] = $.extend( function( options, element ) {
|
||||
existingConstructor = $[ namespace ][ name ];
|
||||
constructor = $[ namespace ][ name ] = function( options, element ) {
|
||||
// allow instantiation without "new" keyword
|
||||
if ( !this._createWidget ) {
|
||||
return new $[ namespace ][ name ]( options, element );
|
||||
return new constructor( options, element );
|
||||
}
|
||||
|
||||
// allow instantiation without initializing for simple inheritance
|
||||
@ -52,9 +52,19 @@ $.widget = function( name, base, prototype ) {
|
||||
if ( arguments.length ) {
|
||||
this._createWidget( options, element );
|
||||
}
|
||||
}, $[ namespace ][ name ], { version: prototype.version } );
|
||||
};
|
||||
// extend with the existing constructor to carry over any static properties
|
||||
$.extend( constructor, existingConstructor, {
|
||||
version: prototype.version,
|
||||
// copy the object used to create the prototype in case we need to
|
||||
// redefine the widget later
|
||||
_proto: $.extend( {}, prototype ),
|
||||
// track widgets that inherit from this widget in case this widget is
|
||||
// redefined after a widget inherits from it
|
||||
_childConstructors: []
|
||||
});
|
||||
|
||||
var basePrototype = new base();
|
||||
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
|
||||
@ -83,17 +93,41 @@ $.widget = function( name, base, prototype ) {
|
||||
|
||||
return returnValue;
|
||||
};
|
||||
}());
|
||||
})();
|
||||
}
|
||||
});
|
||||
$[ namespace ][ name ].prototype = $.widget.extend( basePrototype, {
|
||||
constructor.prototype = $.widget.extend( basePrototype, {
|
||||
// TODO: remove support for widgetEventPrefix
|
||||
// always use the name + a colon as the prefix, e.g., draggable:start
|
||||
// don't prefix for widgets that aren't DOM-based
|
||||
widgetEventPrefix: name
|
||||
}, prototype, {
|
||||
constructor: constructor,
|
||||
namespace: namespace,
|
||||
widgetName: name,
|
||||
widgetEventPrefix: name,
|
||||
widgetBaseClass: fullName
|
||||
}, prototype );
|
||||
});
|
||||
|
||||
$.widget.bridge( name, $[ namespace ][ name ] );
|
||||
// If this widget is being redefined then we need to find all widgets that
|
||||
// are inheriting from it and redefine all of them so that they inherit from
|
||||
// the new version of this widget. We're essentially trying to replace one
|
||||
// level in the prototype chain.
|
||||
if ( existingConstructor ) {
|
||||
$.each( existingConstructor._childConstructors, function( i, child ) {
|
||||
var childPrototype = child.prototype;
|
||||
|
||||
// redefine the child widget using the same prototype that was
|
||||
// originally used, but inherit from the new version of the base
|
||||
$.widget( childPrototype.namespace + "." + childPrototype.widgetName, constructor, child._proto );
|
||||
});
|
||||
// remove the list of existing child constructors from the old constructor
|
||||
// so the old child constructors can be garbage collected
|
||||
delete existingConstructor._childConstructors;
|
||||
} else {
|
||||
base._childConstructors.push( constructor );
|
||||
}
|
||||
|
||||
$.widget.bridge( name, constructor );
|
||||
};
|
||||
|
||||
$.widget.extend = function( target ) {
|
||||
@ -157,18 +191,8 @@ $.widget.bridge = function( name, object ) {
|
||||
};
|
||||
};
|
||||
|
||||
$.Widget = function( options, element ) {
|
||||
// allow instantiation without "new" keyword
|
||||
if ( !this._createWidget ) {
|
||||
return new $[ namespace ][ name ]( options, element );
|
||||
}
|
||||
|
||||
// allow instantiation without initializing for simple inheritance
|
||||
// must use "new" keyword (the code above always passes args)
|
||||
if ( arguments.length ) {
|
||||
this._createWidget( options, element );
|
||||
}
|
||||
};
|
||||
$.Widget = function( options, element ) {};
|
||||
$.Widget._childConstructors = [];
|
||||
|
||||
$.Widget.prototype = {
|
||||
widgetName: "widget",
|
||||
|
||||
Loading…
Reference in New Issue
Block a user