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/*! |
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* jQuery UI Menu 1.13.1 |
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* http://jqueryui.com |
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* |
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* Copyright jQuery Foundation and other contributors |
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* Released under the MIT license. |
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* http://jquery.org/license |
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*/ |
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//>>label: Menu |
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//>>group: Widgets |
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//>>description: Creates nestable menus. |
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//>>docs: http://api.jqueryui.com/menu/ |
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//>>demos: http://jqueryui.com/menu/ |
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//>>css.structure: ../../themes/base/core.css |
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//>>css.structure: ../../themes/base/menu.css |
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//>>css.theme: ../../themes/base/theme.css |
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( function( factory ) { |
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"use strict"; |
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if ( typeof define === "function" && define.amd ) { |
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// AMD. Register as an anonymous module. |
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define( [ |
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"jquery", |
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"./core" |
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], factory ); |
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} else { |
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// Browser globals |
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factory( jQuery ); |
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} |
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} )( function( $ ) { |
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"use strict"; |
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return $.widget( "ui.menu", { |
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version: "1.13.1", |
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defaultElement: "<ul>", |
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delay: 300, |
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options: { |
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icons: { |
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submenu: "ui-icon-caret-1-e" |
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}, |
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items: "> *", |
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menus: "ul", |
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position: { |
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my: "left top", |
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at: "right top" |
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}, |
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role: "menu", |
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|
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// Callbacks |
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blur: null, |
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focus: null, |
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select: null |
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}, |
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_create: function() { |
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this.activeMenu = this.element; |
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// Flag used to prevent firing of the click handler |
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// as the event bubbles up through nested menus |
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this.mouseHandled = false; |
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this.lastMousePosition = { x: null, y: null }; |
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this.element |
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.uniqueId() |
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.attr( { |
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role: this.options.role, |
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tabIndex: 0 |
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} ); |
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this._addClass( "ui-menu", "ui-widget ui-widget-content" ); |
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this._on( { |
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// Prevent focus from sticking to links inside menu after clicking |
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// them (focus should always stay on UL during navigation). |
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"mousedown .ui-menu-item": function( event ) { |
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event.preventDefault(); |
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this._activateItem( event ); |
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}, |
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"click .ui-menu-item": function( event ) { |
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var target = $( event.target ); |
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var active = $( $.ui.safeActiveElement( this.document[ 0 ] ) ); |
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if ( !this.mouseHandled && target.not( ".ui-state-disabled" ).length ) { |
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this.select( event ); |
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// Only set the mouseHandled flag if the event will bubble, see #9469. |
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if ( !event.isPropagationStopped() ) { |
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this.mouseHandled = true; |
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} |
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// Open submenu on click |
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if ( target.has( ".ui-menu" ).length ) { |
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this.expand( event ); |
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} else if ( !this.element.is( ":focus" ) && |
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active.closest( ".ui-menu" ).length ) { |
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// Redirect focus to the menu |
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this.element.trigger( "focus", [ true ] ); |
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// If the active item is on the top level, let it stay active. |
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// Otherwise, blur the active item since it is no longer visible. |
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if ( this.active && this.active.parents( ".ui-menu" ).length === 1 ) { |
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clearTimeout( this.timer ); |
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} |
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} |
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} |
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}, |
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"mouseenter .ui-menu-item": "_activateItem", |
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"mousemove .ui-menu-item": "_activateItem", |
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mouseleave: "collapseAll", |
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"mouseleave .ui-menu": "collapseAll", |
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focus: function( event, keepActiveItem ) { |
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// If there's already an active item, keep it active |
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// If not, activate the first item |
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var item = this.active || this._menuItems().first(); |
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if ( !keepActiveItem ) { |
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this.focus( event, item ); |
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} |
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}, |
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blur: function( event ) { |
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this._delay( function() { |
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var notContained = !$.contains( |
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this.element[ 0 ], |
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$.ui.safeActiveElement( this.document[ 0 ] ) |
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); |
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if ( notContained ) { |
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this.collapseAll( event ); |
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} |
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} ); |
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}, |
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keydown: "_keydown" |
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} ); |
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this.refresh(); |
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// Clicks outside of a menu collapse any open menus |
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this._on( this.document, { |
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click: function( event ) { |
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if ( this._closeOnDocumentClick( event ) ) { |
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this.collapseAll( event, true ); |
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} |
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// Reset the mouseHandled flag |
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this.mouseHandled = false; |
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} |
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} ); |
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}, |
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_activateItem: function( event ) { |
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// Ignore mouse events while typeahead is active, see #10458. |
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// Prevents focusing the wrong item when typeahead causes a scroll while the mouse |
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// is over an item in the menu |
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if ( this.previousFilter ) { |
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return; |
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} |
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// If the mouse didn't actually move, but the page was scrolled, ignore the event (#9356) |
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if ( event.clientX === this.lastMousePosition.x && |
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event.clientY === this.lastMousePosition.y ) { |
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return; |
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} |
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this.lastMousePosition = { |
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x: event.clientX, |
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y: event.clientY |
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}; |
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var actualTarget = $( event.target ).closest( ".ui-menu-item" ), |
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target = $( event.currentTarget ); |
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// Ignore bubbled events on parent items, see #11641 |
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if ( actualTarget[ 0 ] !== target[ 0 ] ) { |
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return; |
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} |
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// If the item is already active, there's nothing to do |
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if ( target.is( ".ui-state-active" ) ) { |
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return; |
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} |
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// Remove ui-state-active class from siblings of the newly focused menu item |
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// to avoid a jump caused by adjacent elements both having a class with a border |
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this._removeClass( target.siblings().children( ".ui-state-active" ), |
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null, "ui-state-active" ); |
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this.focus( event, target ); |
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}, |
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_destroy: function() { |
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var items = this.element.find( ".ui-menu-item" ) |
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.removeAttr( "role aria-disabled" ), |
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submenus = items.children( ".ui-menu-item-wrapper" ) |
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.removeUniqueId() |
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.removeAttr( "tabIndex role aria-haspopup" ); |
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// Destroy (sub)menus |
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this.element |
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.removeAttr( "aria-activedescendant" ) |
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.find( ".ui-menu" ).addBack() |
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.removeAttr( "role aria-labelledby aria-expanded aria-hidden aria-disabled " + |
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"tabIndex" ) |
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.removeUniqueId() |
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.show(); |
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submenus.children().each( function() { |
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var elem = $( this ); |
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if ( elem.data( "ui-menu-submenu-caret" ) ) { |
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elem.remove(); |
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} |
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} ); |
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}, |
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_keydown: function( event ) { |
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var match, prev, character, skip, |
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preventDefault = true; |
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switch ( event.keyCode ) { |
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case $.ui.keyCode.PAGE_UP: |
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this.previousPage( event ); |
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break; |
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case $.ui.keyCode.PAGE_DOWN: |
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this.nextPage( event ); |
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break; |
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case $.ui.keyCode.HOME: |
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this._move( "first", "first", event ); |
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break; |
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case $.ui.keyCode.END: |
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this._move( "last", "last", event ); |
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break; |
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case $.ui.keyCode.UP: |
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this.previous( event ); |
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break; |
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case $.ui.keyCode.DOWN: |
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this.next( event ); |
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break; |
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case $.ui.keyCode.LEFT: |
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this.collapse( event ); |
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break; |
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case $.ui.keyCode.RIGHT: |
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if ( this.active && !this.active.is( ".ui-state-disabled" ) ) { |
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this.expand( event ); |
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} |
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break; |
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case $.ui.keyCode.ENTER: |
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case $.ui.keyCode.SPACE: |
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this._activate( event ); |
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break; |
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case $.ui.keyCode.ESCAPE: |
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this.collapse( event ); |
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break; |
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default: |
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preventDefault = false; |
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prev = this.previousFilter || ""; |
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skip = false; |
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// Support number pad values |
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character = event.keyCode >= 96 && event.keyCode <= 105 ? |
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( event.keyCode - 96 ).toString() : String.fromCharCode( event.keyCode ); |
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clearTimeout( this.filterTimer ); |
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if ( character === prev ) { |
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skip = true; |
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} else { |
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character = prev + character; |
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} |
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match = this._filterMenuItems( character ); |
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match = skip && match.index( this.active.next() ) !== -1 ? |
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this.active.nextAll( ".ui-menu-item" ) : |
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match; |
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// If no matches on the current filter, reset to the last character pressed |
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// to move down the menu to the first item that starts with that character |
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if ( !match.length ) { |
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character = String.fromCharCode( event.keyCode ); |
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match = this._filterMenuItems( character ); |
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} |
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if ( match.length ) { |
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this.focus( event, match ); |
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this.previousFilter = character; |
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this.filterTimer = this._delay( function() { |
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delete this.previousFilter; |
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}, 1000 ); |
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} else { |
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delete this.previousFilter; |
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} |
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} |
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if ( preventDefault ) { |
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event.preventDefault(); |
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} |
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}, |
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_activate: function( event ) { |
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if ( this.active && !this.active.is( ".ui-state-disabled" ) ) { |
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if ( this.active.children( "[aria-haspopup='true']" ).length ) { |
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this.expand( event ); |
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} else { |
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this.select( event ); |
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} |
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} |
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}, |
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refresh: function() { |
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var menus, items, newSubmenus, newItems, newWrappers, |
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that = this, |
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icon = this.options.icons.submenu, |
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submenus = this.element.find( this.options.menus ); |
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this._toggleClass( "ui-menu-icons", null, !!this.element.find( ".ui-icon" ).length ); |
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// Initialize nested menus |
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newSubmenus = submenus.filter( ":not(.ui-menu)" ) |
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.hide() |
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.attr( { |
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role: this.options.role, |
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"aria-hidden": "true", |
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"aria-expanded": "false" |
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} ) |
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.each( function() { |
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var menu = $( this ), |
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item = menu.prev(), |
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submenuCaret = $( "<span>" ).data( "ui-menu-submenu-caret", true ); |
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that._addClass( submenuCaret, "ui-menu-icon", "ui-icon " + icon ); |
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item |
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.attr( "aria-haspopup", "true" ) |
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.prepend( submenuCaret ); |
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menu.attr( "aria-labelledby", item.attr( "id" ) ); |
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} ); |
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this._addClass( newSubmenus, "ui-menu", "ui-widget ui-widget-content ui-front" ); |
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menus = submenus.add( this.element ); |
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items = menus.find( this.options.items ); |
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// Initialize menu-items containing spaces and/or dashes only as dividers |
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items.not( ".ui-menu-item" ).each( function() { |
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var item = $( this ); |
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if ( that._isDivider( item ) ) { |
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that._addClass( item, "ui-menu-divider", "ui-widget-content" ); |
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} |
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} ); |
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// Don't refresh list items that are already adapted |
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newItems = items.not( ".ui-menu-item, .ui-menu-divider" ); |
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newWrappers = newItems.children() |
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.not( ".ui-menu" ) |
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.uniqueId() |
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.attr( { |
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tabIndex: -1, |
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role: this._itemRole() |
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} ); |
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this._addClass( newItems, "ui-menu-item" ) |
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._addClass( newWrappers, "ui-menu-item-wrapper" ); |
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// Add aria-disabled attribute to any disabled menu item |
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items.filter( ".ui-state-disabled" ).attr( "aria-disabled", "true" ); |
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// If the active item has been removed, blur the menu |
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if ( this.active && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) { |
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this.blur(); |
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} |
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}, |
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_itemRole: function() { |
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return { |
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menu: "menuitem", |
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listbox: "option" |
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}[ this.options.role ]; |
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}, |
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_setOption: function( key, value ) { |
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if ( key === "icons" ) { |
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var icons = this.element.find( ".ui-menu-icon" ); |
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this._removeClass( icons, null, this.options.icons.submenu ) |
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._addClass( icons, null, value.submenu ); |
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} |
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this._super( key, value ); |
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}, |
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_setOptionDisabled: function( value ) { |
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this._super( value ); |
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this.element.attr( "aria-disabled", String( value ) ); |
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this._toggleClass( null, "ui-state-disabled", !!value ); |
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}, |
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focus: function( event, item ) { |
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var nested, focused, activeParent; |
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this.blur( event, event && event.type === "focus" ); |
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this._scrollIntoView( item ); |
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this.active = item.first(); |
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focused = this.active.children( ".ui-menu-item-wrapper" ); |
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this._addClass( focused, null, "ui-state-active" ); |
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// Only update aria-activedescendant if there's a role |
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// otherwise we assume focus is managed elsewhere |
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if ( this.options.role ) { |
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this.element.attr( "aria-activedescendant", focused.attr( "id" ) ); |
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} |
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// Highlight active parent menu item, if any |
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activeParent = this.active |
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.parent() |
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.closest( ".ui-menu-item" ) |
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.children( ".ui-menu-item-wrapper" ); |
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this._addClass( activeParent, null, "ui-state-active" ); |
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if ( event && event.type === "keydown" ) { |
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this._close(); |
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} else { |
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this.timer = this._delay( function() { |
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this._close(); |
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}, this.delay ); |
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} |
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nested = item.children( ".ui-menu" ); |
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if ( nested.length && event && ( /^mouse/.test( event.type ) ) ) { |
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this._startOpening( nested ); |
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} |
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this.activeMenu = item.parent(); |
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this._trigger( "focus", event, { item: item } ); |
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}, |
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_scrollIntoView: function( item ) { |
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var borderTop, paddingTop, offset, scroll, elementHeight, itemHeight; |
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if ( this._hasScroll() ) { |
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borderTop = parseFloat( $.css( this.activeMenu[ 0 ], "borderTopWidth" ) ) || 0; |
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paddingTop = parseFloat( $.css( this.activeMenu[ 0 ], "paddingTop" ) ) || 0; |
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offset = item.offset().top - this.activeMenu.offset().top - borderTop - paddingTop; |
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scroll = this.activeMenu.scrollTop(); |
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elementHeight = this.activeMenu.height(); |
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itemHeight = item.outerHeight(); |
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if ( offset < 0 ) { |
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this.activeMenu.scrollTop( scroll + offset ); |
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} else if ( offset + itemHeight > elementHeight ) { |
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this.activeMenu.scrollTop( scroll + offset - elementHeight + itemHeight ); |
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} |
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} |
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}, |
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blur: function( event, fromFocus ) { |
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if ( !fromFocus ) { |
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clearTimeout( this.timer ); |
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} |
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459 |
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if ( !this.active ) { |
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return; |
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} |
|
463 |
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this._removeClass( this.active.children( ".ui-menu-item-wrapper" ), |
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null, "ui-state-active" ); |
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this._trigger( "blur", event, { item: this.active } ); |
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this.active = null; |
|
469 |
}, |
|
470 |
|
|
471 |
_startOpening: function( submenu ) { |
|
472 |
clearTimeout( this.timer ); |
|
473 |
|
|
474 |
// Don't open if already open fixes a Firefox bug that caused a .5 pixel |
|
475 |
// shift in the submenu position when mousing over the caret icon |
|
476 |
if ( submenu.attr( "aria-hidden" ) !== "true" ) { |
|
477 |
return; |
|
478 |
} |
|
479 |
|
|
480 |
this.timer = this._delay( function() { |
|
481 |
this._close(); |
|
482 |
this._open( submenu ); |
|
483 |
}, this.delay ); |
|
484 |
}, |
|
485 |
|
|
486 |
_open: function( submenu ) { |
|
487 |
var position = $.extend( { |
|
488 |
of: this.active |
|
489 |
}, this.options.position ); |
|
490 |
|
|
491 |
clearTimeout( this.timer ); |
|
492 |
this.element.find( ".ui-menu" ).not( submenu.parents( ".ui-menu" ) ) |
|
493 |
.hide() |
|
494 |
.attr( "aria-hidden", "true" ); |
|
495 |
|
|
496 |
submenu |
|
497 |
.show() |
|
498 |
.removeAttr( "aria-hidden" ) |
|
499 |
.attr( "aria-expanded", "true" ) |
|
500 |
.position( position ); |
|
501 |
}, |
|
502 |
|
|
503 |
collapseAll: function( event, all ) { |
|
504 |
clearTimeout( this.timer ); |
|
505 |
this.timer = this._delay( function() { |
|
506 |
|
|
507 |
// If we were passed an event, look for the submenu that contains the event |
|
508 |
var currentMenu = all ? this.element : |
|
509 |
$( event && event.target ).closest( this.element.find( ".ui-menu" ) ); |
|
510 |
|
|
511 |
// If we found no valid submenu ancestor, use the main menu to close all |
|
512 |
// sub menus anyway |
|
513 |
if ( !currentMenu.length ) { |
|
514 |
currentMenu = this.element; |
|
515 |
} |
|
516 |
|
|
517 |
this._close( currentMenu ); |
|
518 |
|
|
519 |
this.blur( event ); |
|
520 |
|
|
521 |
// Work around active item staying active after menu is blurred |
|
522 |
this._removeClass( currentMenu.find( ".ui-state-active" ), null, "ui-state-active" ); |
|
523 |
|
|
524 |
this.activeMenu = currentMenu; |
19
|
525 |
}, all ? 0 : this.delay ); |
18
|
526 |
}, |
|
527 |
|
|
528 |
// With no arguments, closes the currently active menu - if nothing is active |
|
529 |
// it closes all menus. If passed an argument, it will search for menus BELOW |
|
530 |
_close: function( startMenu ) { |
|
531 |
if ( !startMenu ) { |
|
532 |
startMenu = this.active ? this.active.parent() : this.element; |
|
533 |
} |
|
534 |
|
|
535 |
startMenu.find( ".ui-menu" ) |
|
536 |
.hide() |
|
537 |
.attr( "aria-hidden", "true" ) |
|
538 |
.attr( "aria-expanded", "false" ); |
|
539 |
}, |
|
540 |
|
|
541 |
_closeOnDocumentClick: function( event ) { |
|
542 |
return !$( event.target ).closest( ".ui-menu" ).length; |
|
543 |
}, |
|
544 |
|
|
545 |
_isDivider: function( item ) { |
|
546 |
|
|
547 |
// Match hyphen, em dash, en dash |
|
548 |
return !/[^\-\u2014\u2013\s]/.test( item.text() ); |
|
549 |
}, |
|
550 |
|
|
551 |
collapse: function( event ) { |
|
552 |
var newItem = this.active && |
|
553 |
this.active.parent().closest( ".ui-menu-item", this.element ); |
|
554 |
if ( newItem && newItem.length ) { |
|
555 |
this._close(); |
|
556 |
this.focus( event, newItem ); |
|
557 |
} |
|
558 |
}, |
|
559 |
|
|
560 |
expand: function( event ) { |
19
|
561 |
var newItem = this.active && this._menuItems( this.active.children( ".ui-menu" ) ).first(); |
18
|
562 |
|
|
563 |
if ( newItem && newItem.length ) { |
|
564 |
this._open( newItem.parent() ); |
|
565 |
|
|
566 |
// Delay so Firefox will not hide activedescendant change in expanding submenu from AT |
|
567 |
this._delay( function() { |
|
568 |
this.focus( event, newItem ); |
|
569 |
} ); |
|
570 |
} |
|
571 |
}, |
|
572 |
|
|
573 |
next: function( event ) { |
|
574 |
this._move( "next", "first", event ); |
|
575 |
}, |
|
576 |
|
|
577 |
previous: function( event ) { |
|
578 |
this._move( "prev", "last", event ); |
|
579 |
}, |
|
580 |
|
|
581 |
isFirstItem: function() { |
|
582 |
return this.active && !this.active.prevAll( ".ui-menu-item" ).length; |
|
583 |
}, |
|
584 |
|
|
585 |
isLastItem: function() { |
|
586 |
return this.active && !this.active.nextAll( ".ui-menu-item" ).length; |
|
587 |
}, |
|
588 |
|
19
|
589 |
_menuItems: function( menu ) { |
|
590 |
return ( menu || this.element ) |
|
591 |
.find( this.options.items ) |
|
592 |
.filter( ".ui-menu-item" ); |
|
593 |
}, |
|
594 |
|
18
|
595 |
_move: function( direction, filter, event ) { |
|
596 |
var next; |
|
597 |
if ( this.active ) { |
|
598 |
if ( direction === "first" || direction === "last" ) { |
|
599 |
next = this.active |
|
600 |
[ direction === "first" ? "prevAll" : "nextAll" ]( ".ui-menu-item" ) |
19
|
601 |
.last(); |
18
|
602 |
} else { |
|
603 |
next = this.active |
|
604 |
[ direction + "All" ]( ".ui-menu-item" ) |
19
|
605 |
.first(); |
18
|
606 |
} |
|
607 |
} |
|
608 |
if ( !next || !next.length || !this.active ) { |
19
|
609 |
next = this._menuItems( this.activeMenu )[ filter ](); |
18
|
610 |
} |
|
611 |
|
|
612 |
this.focus( event, next ); |
|
613 |
}, |
|
614 |
|
|
615 |
nextPage: function( event ) { |
|
616 |
var item, base, height; |
|
617 |
|
|
618 |
if ( !this.active ) { |
|
619 |
this.next( event ); |
|
620 |
return; |
|
621 |
} |
|
622 |
if ( this.isLastItem() ) { |
|
623 |
return; |
|
624 |
} |
|
625 |
if ( this._hasScroll() ) { |
|
626 |
base = this.active.offset().top; |
19
|
627 |
height = this.element.innerHeight(); |
|
628 |
|
|
629 |
// jQuery 3.2 doesn't include scrollbars in innerHeight, add it back. |
|
630 |
if ( $.fn.jquery.indexOf( "3.2." ) === 0 ) { |
|
631 |
height += this.element[ 0 ].offsetHeight - this.element.outerHeight(); |
|
632 |
} |
|
633 |
|
18
|
634 |
this.active.nextAll( ".ui-menu-item" ).each( function() { |
|
635 |
item = $( this ); |
|
636 |
return item.offset().top - base - height < 0; |
|
637 |
} ); |
|
638 |
|
|
639 |
this.focus( event, item ); |
|
640 |
} else { |
19
|
641 |
this.focus( event, this._menuItems( this.activeMenu ) |
18
|
642 |
[ !this.active ? "first" : "last" ]() ); |
|
643 |
} |
|
644 |
}, |
|
645 |
|
|
646 |
previousPage: function( event ) { |
|
647 |
var item, base, height; |
|
648 |
if ( !this.active ) { |
|
649 |
this.next( event ); |
|
650 |
return; |
|
651 |
} |
|
652 |
if ( this.isFirstItem() ) { |
|
653 |
return; |
|
654 |
} |
|
655 |
if ( this._hasScroll() ) { |
|
656 |
base = this.active.offset().top; |
19
|
657 |
height = this.element.innerHeight(); |
|
658 |
|
|
659 |
// jQuery 3.2 doesn't include scrollbars in innerHeight, add it back. |
|
660 |
if ( $.fn.jquery.indexOf( "3.2." ) === 0 ) { |
|
661 |
height += this.element[ 0 ].offsetHeight - this.element.outerHeight(); |
|
662 |
} |
|
663 |
|
18
|
664 |
this.active.prevAll( ".ui-menu-item" ).each( function() { |
|
665 |
item = $( this ); |
|
666 |
return item.offset().top - base + height > 0; |
|
667 |
} ); |
|
668 |
|
|
669 |
this.focus( event, item ); |
|
670 |
} else { |
19
|
671 |
this.focus( event, this._menuItems( this.activeMenu ).first() ); |
18
|
672 |
} |
|
673 |
}, |
|
674 |
|
|
675 |
_hasScroll: function() { |
|
676 |
return this.element.outerHeight() < this.element.prop( "scrollHeight" ); |
|
677 |
}, |
|
678 |
|
|
679 |
select: function( event ) { |
|
680 |
|
|
681 |
// TODO: It should never be possible to not have an active item at this |
|
682 |
// point, but the tests don't trigger mouseenter before click. |
|
683 |
this.active = this.active || $( event.target ).closest( ".ui-menu-item" ); |
|
684 |
var ui = { item: this.active }; |
|
685 |
if ( !this.active.has( ".ui-menu" ).length ) { |
|
686 |
this.collapseAll( event, true ); |
|
687 |
} |
|
688 |
this._trigger( "select", event, ui ); |
|
689 |
}, |
|
690 |
|
|
691 |
_filterMenuItems: function( character ) { |
|
692 |
var escapedCharacter = character.replace( /[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&" ), |
|
693 |
regex = new RegExp( "^" + escapedCharacter, "i" ); |
|
694 |
|
|
695 |
return this.activeMenu |
|
696 |
.find( this.options.items ) |
|
697 |
|
19
|
698 |
// Only match on items, not dividers or other content (#10571) |
|
699 |
.filter( ".ui-menu-item" ) |
|
700 |
.filter( function() { |
|
701 |
return regex.test( |
|
702 |
String.prototype.trim.call( |
|
703 |
$( this ).children( ".ui-menu-item-wrapper" ).text() ) ); |
|
704 |
} ); |
18
|
705 |
} |
|
706 |
} ); |
|
707 |
|
19
|
708 |
} ); |