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torben |
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/*! |
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* jQuery UI Menu 1.10.3 |
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* http://jqueryui.com |
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* |
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* Copyright 2013 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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* http://api.jqueryui.com/menu/ |
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* |
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* Depends: |
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* jquery.ui.core.js |
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* jquery.ui.widget.js |
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* jquery.ui.position.js |
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*/ |
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(function( $, undefined ) { |
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$.widget( "ui.menu", { |
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version: "1.10.3", |
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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-carat-1-e" |
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}, |
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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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// 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.element |
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.uniqueId() |
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.addClass( "ui-menu ui-widget ui-widget-content ui-corner-all" ) |
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.toggleClass( "ui-menu-icons", !!this.element.find( ".ui-icon" ).length ) |
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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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// need to catch all clicks on disabled menu |
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// not possible through _on |
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.bind( "click" + this.eventNamespace, $.proxy(function( event ) { |
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if ( this.options.disabled ) { |
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event.preventDefault(); |
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} |
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}, this )); |
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if ( this.options.disabled ) { |
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this.element |
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.addClass( "ui-state-disabled" ) |
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.attr( "aria-disabled", "true" ); |
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} |
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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 > a": function( event ) { |
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event.preventDefault(); |
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}, |
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"click .ui-state-disabled > a": function( event ) { |
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event.preventDefault(); |
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}, |
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"click .ui-menu-item:has(a)": function( event ) { |
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var target = $( event.target ).closest( ".ui-menu-item" ); |
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if ( !this.mouseHandled && target.not( ".ui-state-disabled" ).length ) { |
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this.mouseHandled = true; |
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this.select( event ); |
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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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// 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": function( event ) { |
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var target = $( event.currentTarget ); |
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// Remove ui-state-active class from siblings of the newly focused menu item |
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// to avoid a jump caused by adjacent elements both having a class with a border |
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target.siblings().children( ".ui-state-active" ).removeClass( "ui-state-active" ); |
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this.focus( event, target ); |
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}, |
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mouseleave: "collapseAll", |
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"mouseleave .ui-menu": "collapseAll", |
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focus: function( event, keepActiveItem ) { |
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// If there's already an active item, keep it active |
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// If not, activate the first item |
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var item = this.active || this.element.children( ".ui-menu-item" ).eq( 0 ); |
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if ( !keepActiveItem ) { |
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this.focus( event, item ); |
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} |
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}, |
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blur: function( event ) { |
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this._delay(function() { |
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if ( !$.contains( this.element[0], this.document[0].activeElement ) ) { |
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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 ( !$( event.target ).closest( ".ui-menu" ).length ) { |
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this.collapseAll( event ); |
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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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_destroy: function() { |
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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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.removeClass( "ui-menu ui-widget ui-widget-content ui-corner-all ui-menu-icons" ) |
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.removeAttr( "role" ) |
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.removeAttr( "tabIndex" ) |
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.removeAttr( "aria-labelledby" ) |
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.removeAttr( "aria-expanded" ) |
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.removeAttr( "aria-hidden" ) |
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.removeAttr( "aria-disabled" ) |
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.removeUniqueId() |
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.show(); |
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// Destroy menu items |
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this.element.find( ".ui-menu-item" ) |
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.removeClass( "ui-menu-item" ) |
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.removeAttr( "role" ) |
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.removeAttr( "aria-disabled" ) |
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.children( "a" ) |
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.removeUniqueId() |
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.removeClass( "ui-corner-all ui-state-hover" ) |
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.removeAttr( "tabIndex" ) |
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.removeAttr( "role" ) |
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.removeAttr( "aria-haspopup" ) |
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.children().each( function() { |
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var elem = $( this ); |
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if ( elem.data( "ui-menu-submenu-carat" ) ) { |
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elem.remove(); |
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} |
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}); |
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// Destroy menu dividers |
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this.element.find( ".ui-menu-divider" ).removeClass( "ui-menu-divider ui-widget-content" ); |
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}, |
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_keydown: function( event ) { |
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/*jshint maxcomplexity:20*/ |
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var match, prev, character, skip, regex, |
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preventDefault = true; |
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function escape( value ) { |
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return value.replace( /[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&" ); |
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} |
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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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character = String.fromCharCode( event.keyCode ); |
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skip = false; |
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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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regex = new RegExp( "^" + escape( character ), "i" ); |
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match = this.activeMenu.children( ".ui-menu-item" ).filter(function() { |
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return regex.test( $( this ).children( "a" ).text() ); |
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}); |
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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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regex = new RegExp( "^" + escape( character ), "i" ); |
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match = this.activeMenu.children( ".ui-menu-item" ).filter(function() { |
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return regex.test( $( this ).children( "a" ).text() ); |
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}); |
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} |
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if ( match.length ) { |
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this.focus( event, match ); |
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if ( match.length > 1 ) { |
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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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} 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.is( ".ui-state-disabled" ) ) { |
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if ( this.active.children( "a[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, |
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icon = this.options.icons.submenu, |
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submenus = this.element.find( this.options.menus ); |
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// Initialize nested menus |
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submenus.filter( ":not(.ui-menu)" ) |
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.addClass( "ui-menu ui-widget ui-widget-content ui-corner-all" ) |
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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( "a" ), |
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submenuCarat = $( "<span>" ) |
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.addClass( "ui-menu-icon ui-icon " + icon ) |
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.data( "ui-menu-submenu-carat", true ); |
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item |
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.attr( "aria-haspopup", "true" ) |
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.prepend( submenuCarat ); |
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menu.attr( "aria-labelledby", item.attr( "id" ) ); |
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}); |
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menus = submenus.add( this.element ); |
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// Don't refresh list items that are already adapted |
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menus.children( ":not(.ui-menu-item):has(a)" ) |
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.addClass( "ui-menu-item" ) |
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.attr( "role", "presentation" ) |
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.children( "a" ) |
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.uniqueId() |
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.addClass( "ui-corner-all" ) |
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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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// Initialize unlinked menu-items containing spaces and/or dashes only as dividers |
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menus.children( ":not(.ui-menu-item)" ).each(function() { |
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var item = $( this ); |
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// hyphen, em dash, en dash |
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if ( !/[^\-\u2014\u2013\s]/.test( item.text() ) ) { |
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item.addClass( "ui-widget-content ui-menu-divider" ); |
| 328 |
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} |
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}); |
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// Add aria-disabled attribute to any disabled menu item |
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menus.children( ".ui-state-disabled" ).attr( "aria-disabled", "true" ); |
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// If the active item has been removed, blur the menu |
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if ( this.active && !$.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 { |
| 342 |
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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 ) { |
| 348 |
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if ( key === "icons" ) { |
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this.element.find( ".ui-menu-icon" ) |
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.removeClass( this.options.icons.submenu ) |
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.addClass( value.submenu ); |
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} |
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this._super( key, value ); |
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}, |
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focus: function( event, item ) { |
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var nested, focused; |
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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(); |
| 363 |
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focused = this.active.children( "a" ).addClass( "ui-state-focus" ); |
| 364 |
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// Only update aria-activedescendant if there's a role |
| 365 |
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// otherwise we assume focus is managed elsewhere |
| 366 |
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if ( this.options.role ) { |
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this.element.attr( "aria-activedescendant", focused.attr( "id" ) ); |
| 368 |
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} |
| 369 |
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// Highlight active parent menu item, if any |
| 371 |
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this.active |
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.parent() |
| 373 |
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.closest( ".ui-menu-item" ) |
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.children( "a:first" ) |
| 375 |
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.addClass( "ui-state-active" ); |
| 376 |
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|
| 377 |
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if ( event && event.type === "keydown" ) { |
| 378 |
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this._close(); |
| 379 |
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} else { |
| 380 |
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this.timer = this._delay(function() { |
| 381 |
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this._close(); |
| 382 |
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}, this.delay ); |
| 383 |
|
|
} |
| 384 |
|
|
|
| 385 |
|
|
nested = item.children( ".ui-menu" ); |
| 386 |
|
|
if ( nested.length && ( /^mouse/.test( event.type ) ) ) { |
| 387 |
|
|
this._startOpening(nested); |
| 388 |
|
|
} |
| 389 |
|
|
this.activeMenu = item.parent(); |
| 390 |
|
|
|
| 391 |
|
|
this._trigger( "focus", event, { item: item } ); |
| 392 |
|
|
}, |
| 393 |
|
|
|
| 394 |
|
|
_scrollIntoView: function( item ) { |
| 395 |
|
|
var borderTop, paddingTop, offset, scroll, elementHeight, itemHeight; |
| 396 |
|
|
if ( this._hasScroll() ) { |
| 397 |
|
|
borderTop = parseFloat( $.css( this.activeMenu[0], "borderTopWidth" ) ) || 0; |
| 398 |
|
|
paddingTop = parseFloat( $.css( this.activeMenu[0], "paddingTop" ) ) || 0; |
| 399 |
|
|
offset = item.offset().top - this.activeMenu.offset().top - borderTop - paddingTop; |
| 400 |
|
|
scroll = this.activeMenu.scrollTop(); |
| 401 |
|
|
elementHeight = this.activeMenu.height(); |
| 402 |
|
|
itemHeight = item.height(); |
| 403 |
|
|
|
| 404 |
|
|
if ( offset < 0 ) { |
| 405 |
|
|
this.activeMenu.scrollTop( scroll + offset ); |
| 406 |
|
|
} else if ( offset + itemHeight > elementHeight ) { |
| 407 |
|
|
this.activeMenu.scrollTop( scroll + offset - elementHeight + itemHeight ); |
| 408 |
|
|
} |
| 409 |
|
|
} |
| 410 |
|
|
}, |
| 411 |
|
|
|
| 412 |
|
|
blur: function( event, fromFocus ) { |
| 413 |
|
|
if ( !fromFocus ) { |
| 414 |
|
|
clearTimeout( this.timer ); |
| 415 |
|
|
} |
| 416 |
|
|
|
| 417 |
|
|
if ( !this.active ) { |
| 418 |
|
|
return; |
| 419 |
|
|
} |
| 420 |
|
|
|
| 421 |
|
|
this.active.children( "a" ).removeClass( "ui-state-focus" ); |
| 422 |
|
|
this.active = null; |
| 423 |
|
|
|
| 424 |
|
|
this._trigger( "blur", event, { item: this.active } ); |
| 425 |
|
|
}, |
| 426 |
|
|
|
| 427 |
|
|
_startOpening: function( submenu ) { |
| 428 |
|
|
clearTimeout( this.timer ); |
| 429 |
|
|
|
| 430 |
|
|
// Don't open if already open fixes a Firefox bug that caused a .5 pixel |
| 431 |
|
|
// shift in the submenu position when mousing over the carat icon |
| 432 |
|
|
if ( submenu.attr( "aria-hidden" ) !== "true" ) { |
| 433 |
|
|
return; |
| 434 |
|
|
} |
| 435 |
|
|
|
| 436 |
|
|
this.timer = this._delay(function() { |
| 437 |
|
|
this._close(); |
| 438 |
|
|
this._open( submenu ); |
| 439 |
|
|
}, this.delay ); |
| 440 |
|
|
}, |
| 441 |
|
|
|
| 442 |
|
|
_open: function( submenu ) { |
| 443 |
|
|
var position = $.extend({ |
| 444 |
|
|
of: this.active |
| 445 |
|
|
}, this.options.position ); |
| 446 |
|
|
|
| 447 |
|
|
clearTimeout( this.timer ); |
| 448 |
|
|
this.element.find( ".ui-menu" ).not( submenu.parents( ".ui-menu" ) ) |
| 449 |
|
|
.hide() |
| 450 |
|
|
.attr( "aria-hidden", "true" ); |
| 451 |
|
|
|
| 452 |
|
|
submenu |
| 453 |
|
|
.show() |
| 454 |
|
|
.removeAttr( "aria-hidden" ) |
| 455 |
|
|
.attr( "aria-expanded", "true" ) |
| 456 |
|
|
.position( position ); |
| 457 |
|
|
}, |
| 458 |
|
|
|
| 459 |
|
|
collapseAll: function( event, all ) { |
| 460 |
|
|
clearTimeout( this.timer ); |
| 461 |
|
|
this.timer = this._delay(function() { |
| 462 |
|
|
// If we were passed an event, look for the submenu that contains the event |
| 463 |
|
|
var currentMenu = all ? this.element : |
| 464 |
|
|
$( event && event.target ).closest( this.element.find( ".ui-menu" ) ); |
| 465 |
|
|
|
| 466 |
|
|
// If we found no valid submenu ancestor, use the main menu to close all sub menus anyway |
| 467 |
|
|
if ( !currentMenu.length ) { |
| 468 |
|
|
currentMenu = this.element; |
| 469 |
|
|
} |
| 470 |
|
|
|
| 471 |
|
|
this._close( currentMenu ); |
| 472 |
|
|
|
| 473 |
|
|
this.blur( event ); |
| 474 |
|
|
this.activeMenu = currentMenu; |
| 475 |
|
|
}, this.delay ); |
| 476 |
|
|
}, |
| 477 |
|
|
|
| 478 |
|
|
// With no arguments, closes the currently active menu - if nothing is active |
| 479 |
|
|
// it closes all menus. If passed an argument, it will search for menus BELOW |
| 480 |
|
|
_close: function( startMenu ) { |
| 481 |
|
|
if ( !startMenu ) { |
| 482 |
|
|
startMenu = this.active ? this.active.parent() : this.element; |
| 483 |
|
|
} |
| 484 |
|
|
|
| 485 |
|
|
startMenu |
| 486 |
|
|
.find( ".ui-menu" ) |
| 487 |
|
|
.hide() |
| 488 |
|
|
.attr( "aria-hidden", "true" ) |
| 489 |
|
|
.attr( "aria-expanded", "false" ) |
| 490 |
|
|
.end() |
| 491 |
|
|
.find( "a.ui-state-active" ) |
| 492 |
|
|
.removeClass( "ui-state-active" ); |
| 493 |
|
|
}, |
| 494 |
|
|
|
| 495 |
|
|
collapse: function( event ) { |
| 496 |
|
|
var newItem = this.active && |
| 497 |
|
|
this.active.parent().closest( ".ui-menu-item", this.element ); |
| 498 |
|
|
if ( newItem && newItem.length ) { |
| 499 |
|
|
this._close(); |
| 500 |
|
|
this.focus( event, newItem ); |
| 501 |
|
|
} |
| 502 |
|
|
}, |
| 503 |
|
|
|
| 504 |
|
|
expand: function( event ) { |
| 505 |
|
|
var newItem = this.active && |
| 506 |
|
|
this.active |
| 507 |
|
|
.children( ".ui-menu " ) |
| 508 |
|
|
.children( ".ui-menu-item" ) |
| 509 |
|
|
.first(); |
| 510 |
|
|
|
| 511 |
|
|
if ( newItem && newItem.length ) { |
| 512 |
|
|
this._open( newItem.parent() ); |
| 513 |
|
|
|
| 514 |
|
|
// Delay so Firefox will not hide activedescendant change in expanding submenu from AT |
| 515 |
|
|
this._delay(function() { |
| 516 |
|
|
this.focus( event, newItem ); |
| 517 |
|
|
}); |
| 518 |
|
|
} |
| 519 |
|
|
}, |
| 520 |
|
|
|
| 521 |
|
|
next: function( event ) { |
| 522 |
|
|
this._move( "next", "first", event ); |
| 523 |
|
|
}, |
| 524 |
|
|
|
| 525 |
|
|
previous: function( event ) { |
| 526 |
|
|
this._move( "prev", "last", event ); |
| 527 |
|
|
}, |
| 528 |
|
|
|
| 529 |
|
|
isFirstItem: function() { |
| 530 |
|
|
return this.active && !this.active.prevAll( ".ui-menu-item" ).length; |
| 531 |
|
|
}, |
| 532 |
|
|
|
| 533 |
|
|
isLastItem: function() { |
| 534 |
|
|
return this.active && !this.active.nextAll( ".ui-menu-item" ).length; |
| 535 |
|
|
}, |
| 536 |
|
|
|
| 537 |
|
|
_move: function( direction, filter, event ) { |
| 538 |
|
|
var next; |
| 539 |
|
|
if ( this.active ) { |
| 540 |
|
|
if ( direction === "first" || direction === "last" ) { |
| 541 |
|
|
next = this.active |
| 542 |
|
|
[ direction === "first" ? "prevAll" : "nextAll" ]( ".ui-menu-item" ) |
| 543 |
|
|
.eq( -1 ); |
| 544 |
|
|
} else { |
| 545 |
|
|
next = this.active |
| 546 |
|
|
[ direction + "All" ]( ".ui-menu-item" ) |
| 547 |
|
|
.eq( 0 ); |
| 548 |
|
|
} |
| 549 |
|
|
} |
| 550 |
|
|
if ( !next || !next.length || !this.active ) { |
| 551 |
|
|
next = this.activeMenu.children( ".ui-menu-item" )[ filter ](); |
| 552 |
|
|
} |
| 553 |
|
|
|
| 554 |
|
|
this.focus( event, next ); |
| 555 |
|
|
}, |
| 556 |
|
|
|
| 557 |
|
|
nextPage: function( event ) { |
| 558 |
|
|
var item, base, height; |
| 559 |
|
|
|
| 560 |
|
|
if ( !this.active ) { |
| 561 |
|
|
this.next( event ); |
| 562 |
|
|
return; |
| 563 |
|
|
} |
| 564 |
|
|
if ( this.isLastItem() ) { |
| 565 |
|
|
return; |
| 566 |
|
|
} |
| 567 |
|
|
if ( this._hasScroll() ) { |
| 568 |
|
|
base = this.active.offset().top; |
| 569 |
|
|
height = this.element.height(); |
| 570 |
|
|
this.active.nextAll( ".ui-menu-item" ).each(function() { |
| 571 |
|
|
item = $( this ); |
| 572 |
|
|
return item.offset().top - base - height < 0; |
| 573 |
|
|
}); |
| 574 |
|
|
|
| 575 |
|
|
this.focus( event, item ); |
| 576 |
|
|
} else { |
| 577 |
|
|
this.focus( event, this.activeMenu.children( ".ui-menu-item" ) |
| 578 |
|
|
[ !this.active ? "first" : "last" ]() ); |
| 579 |
|
|
} |
| 580 |
|
|
}, |
| 581 |
|
|
|
| 582 |
|
|
previousPage: function( event ) { |
| 583 |
|
|
var item, base, height; |
| 584 |
|
|
if ( !this.active ) { |
| 585 |
|
|
this.next( event ); |
| 586 |
|
|
return; |
| 587 |
|
|
} |
| 588 |
|
|
if ( this.isFirstItem() ) { |
| 589 |
|
|
return; |
| 590 |
|
|
} |
| 591 |
|
|
if ( this._hasScroll() ) { |
| 592 |
|
|
base = this.active.offset().top; |
| 593 |
|
|
height = this.element.height(); |
| 594 |
|
|
this.active.prevAll( ".ui-menu-item" ).each(function() { |
| 595 |
|
|
item = $( this ); |
| 596 |
|
|
return item.offset().top - base + height > 0; |
| 597 |
|
|
}); |
| 598 |
|
|
|
| 599 |
|
|
this.focus( event, item ); |
| 600 |
|
|
} else { |
| 601 |
|
|
this.focus( event, this.activeMenu.children( ".ui-menu-item" ).first() ); |
| 602 |
|
|
} |
| 603 |
|
|
}, |
| 604 |
|
|
|
| 605 |
|
|
_hasScroll: function() { |
| 606 |
|
|
return this.element.outerHeight() < this.element.prop( "scrollHeight" ); |
| 607 |
|
|
}, |
| 608 |
|
|
|
| 609 |
|
|
select: function( event ) { |
| 610 |
|
|
// TODO: It should never be possible to not have an active item at this |
| 611 |
|
|
// point, but the tests don't trigger mouseenter before click. |
| 612 |
|
|
this.active = this.active || $( event.target ).closest( ".ui-menu-item" ); |
| 613 |
|
|
var ui = { item: this.active }; |
| 614 |
|
|
if ( !this.active.has( ".ui-menu" ).length ) { |
| 615 |
|
|
this.collapseAll( event, true ); |
| 616 |
|
|
} |
| 617 |
|
|
this._trigger( "select", event, ui ); |
| 618 |
|
|
} |
| 619 |
|
|
}); |
| 620 |
|
|
|
| 621 |
|
|
}( jQuery )); |
Parent Directory
| 
Revision Log