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authorLeif Johansson <leifj@sunet.se>2011-11-25 21:18:19 +0100
committerLeif Johansson <leifj@sunet.se>2011-11-25 21:18:19 +0100
commit3909e6d89e01e4cd8777377c63037896bb95aa2f (patch)
tree59679df287c2bee55087fb5afb8d42e7f93a44fb /src/main/webapp/jquery-ui-1.9pre/ui/jquery.ui.menu.js
parente5f94e9be5017f627c1ccd8c6306c5cc2e200432 (diff)
new jq layout
Diffstat (limited to 'src/main/webapp/jquery-ui-1.9pre/ui/jquery.ui.menu.js')
-rw-r--r--src/main/webapp/jquery-ui-1.9pre/ui/jquery.ui.menu.js541
1 files changed, 541 insertions, 0 deletions
diff --git a/src/main/webapp/jquery-ui-1.9pre/ui/jquery.ui.menu.js b/src/main/webapp/jquery-ui-1.9pre/ui/jquery.ui.menu.js
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@@ -0,0 +1,541 @@
+/*
+ * jQuery UI Menu 1.9pre
+ *
+ * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * http://docs.jquery.com/UI/Menu
+ *
+ * Depends:
+ * jquery.ui.core.js
+ * jquery.ui.widget.js
+ */
+(function($) {
+
+var idIncrement = 0;
+
+$.widget( "ui.menu", {
+ version: "1.9pre",
+ defaultElement: "<ul>",
+ delay: 150,
+ options: {
+ items: "ul",
+ position: {
+ my: "left top",
+ at: "right top"
+ },
+ trigger: null
+ },
+ _create: function() {
+ this.activeMenu = this.element;
+ this.isScrolling = false;
+ this.menuId = this.element.attr( "id" ) || "ui-menu-" + idIncrement++;
+ if ( this.element.find( ".ui-icon" ).length ) {
+ this.element.addClass( "ui-menu-icons" );
+ }
+ this.element
+ .addClass( "ui-menu ui-widget ui-widget-content ui-corner-all" )
+ .attr({
+ id: this.menuId,
+ role: "menu"
+ })
+ // need to catch all clicks on disabled menu
+ // not possible through _bind
+ .bind( "click.menu", $.proxy( function( event ) {
+ if ( this.options.disabled ) {
+ event.preventDefault();
+ }
+ }, this));
+ this._bind({
+ // Prevent focus from sticking to links inside menu after clicking
+ // them (focus should always stay on UL during navigation).
+ "mousedown .ui-menu-item > a": function( event ) {
+ event.preventDefault();
+ },
+ "click .ui-menu-item:has(a)": function( event ) {
+ event.stopImmediatePropagation();
+ var target = $( event.currentTarget );
+ // it's possible to click an item without hovering it (#7085)
+ if ( !this.active || ( this.active[ 0 ] !== target[ 0 ] ) ) {
+ this.focus( event, target );
+ }
+ this.select( event );
+ // Redirect focus to the menu.
+ this.element.focus();
+ },
+ "mouseover .ui-menu-item": function( event ) {
+ event.stopImmediatePropagation();
+ if ( !this.isScrolling ) {
+ var target = $( event.currentTarget );
+ // Remove ui-state-active class from siblings of the newly focused menu item to avoid a jump caused by adjacent elements both having a class with a border
+ target.siblings().children( ".ui-state-active" ).removeClass( "ui-state-active" );
+ this.focus( event, target );
+ }
+ this.isScrolling = false;
+ },
+ "mouseleave": "collapseAll",
+ "mouseleave .ui-menu": "collapseAll",
+ "mouseout .ui-menu-item": "blur",
+ "focus": function( event ) {
+ this.focus( event, $( event.target ).children( ".ui-menu-item:first" ) );
+ },
+ blur: function( event ) {
+ this._delay( function() {
+ if ( ! $.contains( this.element[0], this.document[0].activeElement ) ) {
+ this.collapseAll( event );
+ }
+ }, 0);
+ },
+ scroll: function( event ) {
+ // Keep track of scrolling to prevent mouseover from firing inadvertently when scrolling the menu
+ this.isScrolling = true;
+ }
+ });
+
+ this.refresh();
+
+ this.element.attr( "tabIndex", 0 );
+ this._bind({
+ "keydown": function( event ) {
+ switch ( event.keyCode ) {
+ case $.ui.keyCode.PAGE_UP:
+ this.previousPage( event );
+ event.preventDefault();
+ event.stopImmediatePropagation();
+ break;
+ case $.ui.keyCode.PAGE_DOWN:
+ this.nextPage( event );
+ event.preventDefault();
+ event.stopImmediatePropagation();
+ break;
+ case $.ui.keyCode.HOME:
+ this._move( "first", "first", event );
+ event.preventDefault();
+ event.stopImmediatePropagation();
+ break;
+ case $.ui.keyCode.END:
+ this._move( "last", "last", event );
+ event.preventDefault();
+ event.stopImmediatePropagation();
+ break;
+ case $.ui.keyCode.UP:
+ this.previous( event );
+ event.preventDefault();
+ event.stopImmediatePropagation();
+ break;
+ case $.ui.keyCode.DOWN:
+ this.next( event );
+ event.preventDefault();
+ event.stopImmediatePropagation();
+ break;
+ case $.ui.keyCode.LEFT:
+ if (this.collapse( event )) {
+ event.stopImmediatePropagation();
+ }
+ event.preventDefault();
+ break;
+ case $.ui.keyCode.RIGHT:
+ if (this.expand( event )) {
+ event.stopImmediatePropagation();
+ }
+ event.preventDefault();
+ break;
+ case $.ui.keyCode.ENTER:
+ if ( this.active.children( "a[aria-haspopup='true']" ).length ) {
+ if ( this.expand( event ) ) {
+ event.stopImmediatePropagation();
+ }
+ }
+ else {
+ this.select( event );
+ event.stopImmediatePropagation();
+ }
+ event.preventDefault();
+ break;
+ case $.ui.keyCode.ESCAPE:
+ if ( this.collapse( event ) ) {
+ event.stopImmediatePropagation();
+ }
+ event.preventDefault();
+ break;
+ default:
+ event.stopPropagation();
+ clearTimeout( this.filterTimer );
+ var match,
+ prev = this.previousFilter || "",
+ character = String.fromCharCode( event.keyCode ),
+ skip = false;
+
+ if (character == prev) {
+ skip = true;
+ } else {
+ character = prev + character;
+ }
+ function escape( value ) {
+ return value.replace( /[-[\]{}()*+?.,\\^$|#\s]/g , "\\$&" );
+ }
+ match = this.activeMenu.children( ".ui-menu-item" ).filter( function() {
+ return new RegExp("^" + escape(character), "i")
+ .test( $( this ).children( "a" ).text() );
+ });
+ match = skip && match.index(this.active.next()) != -1 ? this.active.nextAll(".ui-menu-item") : match;
+ if ( !match.length ) {
+ character = String.fromCharCode(event.keyCode);
+ match = this.activeMenu.children(".ui-menu-item").filter( function() {
+ return new RegExp("^" + escape(character), "i")
+ .test( $( this ).children( "a" ).text() );
+ });
+ }
+ if ( match.length ) {
+ this.focus( event, match );
+ if (match.length > 1) {
+ this.previousFilter = character;
+ this.filterTimer = this._delay( function() {
+ delete this.previousFilter;
+ }, 1000 );
+ } else {
+ delete this.previousFilter;
+ }
+ } else {
+ delete this.previousFilter;
+ }
+ }
+ }
+ });
+
+ this._bind( this.document, {
+ click: function( event ) {
+ if ( !$( event.target ).closest( ".ui-menu" ).length ) {
+ this.collapseAll( event );
+ }
+ }
+ });
+
+ if ( this.options.trigger ) {
+ this.element.popup({
+ trigger: this.options.trigger,
+ managed: true,
+ focusPopup: $.proxy( function( event, ui ) {
+ this.focus( event, this.element.children( ".ui-menu-item" ).first() );
+ this.element.focus( 1 );
+ }, this)
+ });
+ }
+ },
+
+ _destroy: function() {
+ //destroy (sub)menus
+ if ( this.options.trigger ) {
+ this.element.popup( "destroy" );
+ }
+ this.element
+ .removeAttr( "aria-activedescendant" )
+ .find( ".ui-menu" )
+ .andSelf()
+ .removeClass( "ui-menu ui-widget ui-widget-content ui-corner-all" )
+ .removeAttr( "role" )
+ .removeAttr( "tabIndex" )
+ .removeAttr( "aria-labelledby" )
+ .removeAttr( "aria-expanded" )
+ .removeAttr( "aria-hidden" )
+ .show();
+
+ //destroy menu items
+ this.element.find( ".ui-menu-item" )
+ .unbind( ".menu" )
+ .removeClass( "ui-menu-item" )
+ .removeAttr( "role" )
+ .children( "a" )
+ .removeClass( "ui-corner-all ui-state-hover" )
+ .removeAttr( "tabIndex" )
+ .removeAttr( "role" )
+ .removeAttr( "aria-haspopup" )
+ .removeAttr( "id" )
+ .children( ".ui-icon" )
+ .remove();
+ },
+
+ refresh: function() {
+ // initialize nested menus
+ var submenus = this.element.find( this.options.items + ":not( .ui-menu )" )
+ .addClass( "ui-menu ui-widget ui-widget-content ui-corner-all" )
+ .attr( "role", "menu" )
+ .hide()
+ .attr( "aria-hidden", "true" )
+ .attr( "aria-expanded", "false" );
+
+ // don't refresh list items that are already adapted
+ var menuId = this.menuId;
+ submenus.add( this.element ).children( ":not( .ui-menu-item ):has( a )" )
+ .addClass( "ui-menu-item" )
+ .attr( "role", "presentation" )
+ .children( "a" )
+ .addClass( "ui-corner-all" )
+ .attr( "tabIndex", -1 )
+ .attr( "role", "menuitem" )
+ .attr( "id", function( i ) {
+ return menuId + "-" + i;
+ });
+
+ submenus.each( function() {
+ var menu = $( this ),
+ item = menu.prev( "a" );
+
+ item.attr( "aria-haspopup", "true" )
+ .prepend( '<span class="ui-menu-icon ui-icon ui-icon-carat-1-e"></span>' );
+ menu.attr( "aria-labelledby", item.attr( "id" ) );
+ });
+ },
+
+ focus: function( event, item ) {
+ this.blur( event );
+
+ if ( this._hasScroll() ) {
+ var borderTop = parseFloat( $.curCSS( this.activeMenu[0], "borderTopWidth", true ) ) || 0,
+ paddingTop = parseFloat( $.curCSS( this.activeMenu[0], "paddingTop", true ) ) || 0,
+ offset = item.offset().top - this.activeMenu.offset().top - borderTop - paddingTop,
+ scroll = this.activeMenu.scrollTop(),
+ elementHeight = this.activeMenu.height(),
+ itemHeight = item.height();
+
+ if ( offset < 0 ) {
+ this.activeMenu.scrollTop( scroll + offset );
+ } else if ( offset + itemHeight > elementHeight ) {
+ this.activeMenu.scrollTop( scroll + offset - elementHeight + itemHeight );
+ }
+ }
+
+ this.active = item.first()
+ .children( "a" )
+ .addClass( "ui-state-focus" )
+ .end();
+ this.element.attr( "aria-activedescendant", this.active.children( "a" ).attr( "id" ) );
+
+ // highlight active parent menu item, if any
+ this.active.parent().closest( ".ui-menu-item" ).children( "a:first" ).addClass( "ui-state-active" );
+
+ this.timer = this._delay( function() {
+ this._close();
+ }, this.delay );
+
+ var nested = $( "> .ui-menu", item );
+ if ( nested.length && ( /^mouse/.test( event.type ) ) ) {
+ this._startOpening(nested);
+ }
+ this.activeMenu = item.parent();
+
+ this._trigger( "focus", event, { item: item } );
+ },
+
+ blur: function( event ) {
+ if ( !this.active ) {
+ return;
+ }
+
+ clearTimeout( this.timer );
+
+ this.active.children( "a" ).removeClass( "ui-state-focus" );
+ this.active = null;
+
+ this._trigger( "blur", event, { item: this.active } );
+ },
+
+ _startOpening: function( submenu ) {
+ clearTimeout( this.timer );
+
+ // Don't open if already open fixes a Firefox bug that caused a .5 pixel
+ // shift in the submenu position when mousing over the carat icon
+ if ( submenu.attr( "aria-hidden" ) !== "true" ) {
+ return;
+ }
+
+ this.timer = this._delay( function() {
+ this._close();
+ this._open( submenu );
+ }, this.delay );
+ },
+
+ _open: function( submenu ) {
+ clearTimeout( this.timer );
+ this.element
+ .find( ".ui-menu" )
+ .not( submenu.parents() )
+ .hide()
+ .attr( "aria-hidden", "true" );
+
+ var position = $.extend({}, {
+ of: this.active
+ }, $.type(this.options.position) == "function"
+ ? this.options.position(this.active)
+ : this.options.position
+ );
+
+ submenu.show()
+ .removeAttr( "aria-hidden" )
+ .attr( "aria-expanded", "true" )
+ .position( position );
+ },
+
+ collapseAll: function( event, all ) {
+
+ // if we were passed an event, look for the submenu that contains the event
+ var currentMenu = all ? this.element :
+ $( event && event.target ).closest( this.element.find( ".ui-menu" ) );
+
+ // if we found no valid submenu ancestor, use the main menu to close all sub menus anyway
+ if ( !currentMenu.length ) {
+ currentMenu = this.element;
+ }
+
+ this._close( currentMenu );
+
+ this.blur( event );
+ this.activeMenu = currentMenu;
+ },
+
+ // With no arguments, closes the currently active menu - if nothing is active
+ // it closes all menus. If passed an argument, it will search for menus BELOW
+ _close: function( startMenu ) {
+ if ( !startMenu ) {
+ startMenu = this.active ? this.active.parent() : this.element;
+ }
+
+ startMenu
+ .find( ".ui-menu" )
+ .hide()
+ .attr( "aria-hidden", "true" )
+ .attr( "aria-expanded", "false" )
+ .end()
+ .find( "a.ui-state-active" )
+ .removeClass( "ui-state-active" );
+ },
+
+ collapse: function( event ) {
+ var newItem = this.active && this.active.parent().closest( ".ui-menu-item", this.element );
+ if ( newItem && newItem.length ) {
+ this._close();
+ this.focus( event, newItem );
+ return true;
+ }
+ },
+
+ expand: function( event ) {
+ var newItem = this.active && this.active.children( ".ui-menu " ).children( ".ui-menu-item" ).first();
+
+ if ( newItem && newItem.length ) {
+ this._open( newItem.parent() );
+
+ //timeout so Firefox will not hide activedescendant change in expanding submenu from AT
+ this._delay( function() {
+ this.focus( event, newItem );
+ }, 20 );
+ return true;
+ }
+ },
+
+ next: function(event) {
+ this._move( "next", "first", event );
+ },
+
+ previous: function(event) {
+ this._move( "prev", "last", event );
+ },
+
+ first: function() {
+ return this.active && !this.active.prevAll( ".ui-menu-item" ).length;
+ },
+
+ last: function() {
+ return this.active && !this.active.nextAll( ".ui-menu-item" ).length;
+ },
+
+ _move: function( direction, filter, event ) {
+ if ( !this.active ) {
+ this.focus( event, this.activeMenu.children( ".ui-menu-item" )[ filter ]() );
+ return;
+ }
+
+ var next;
+ if ( direction === "first" || direction === "last" ) {
+ next = this.active[ direction === "first" ? "prevAll" : "nextAll" ]( ".ui-menu-item" ).eq( -1 );
+ } else {
+ next = this.active[ direction + "All" ]( ".ui-menu-item" ).eq( 0 );
+ }
+
+ if ( next.length ) {
+ this.focus( event, next );
+ } else {
+ this.focus( event, this.activeMenu.children( ".ui-menu-item" )[ filter ]() );
+ }
+ },
+
+ nextPage: function( event ) {
+ if ( this._hasScroll() ) {
+ if ( !this.active ) {
+ this.focus( event, this.activeMenu.children( ".ui-menu-item" ).first() );
+ return;
+ }
+ if ( this.last() ) {
+ return;
+ }
+
+ var base = this.active.offset().top,
+ height = this.element.height(),
+ result;
+ this.active.nextAll( ".ui-menu-item" ).each( function() {
+ result = $( this );
+ return $( this ).offset().top - base - height < 0;
+ });
+
+ this.focus( event, result );
+ } else {
+ this.focus( event, this.activeMenu.children( ".ui-menu-item" )
+ [ !this.active ? "first" : "last" ]() );
+ }
+ },
+
+ previousPage: function( event ) {
+ if ( this._hasScroll() ) {
+ if ( !this.active ) {
+ this.focus( event, this.activeMenu.children( ".ui-menu-item" ).first() );
+ return;
+ }
+ if ( this.first() ) {
+ return;
+ }
+
+ var base = this.active.offset().top,
+ height = this.element.height(),
+ result;
+ this.active.prevAll( ".ui-menu-item" ).each( function() {
+ result = $( this );
+ return $(this).offset().top - base + height > 0;
+ });
+
+ this.focus( event, result );
+ } else {
+ this.focus( event, this.activeMenu.children( ".ui-menu-item" ).first() );
+ }
+ },
+
+ _hasScroll: function() {
+ return this.element.height() < this.element.prop( "scrollHeight" );
+ },
+
+ select: function( event ) {
+
+ // save active reference before collapseAll triggers blur
+ var ui = {
+ item: this.active
+ };
+ this.collapseAll( event, true );
+ if ( this.options.trigger ) {
+ $( this.options.trigger ).focus( 1 );
+ this.element.popup( "close" );
+ }
+ this._trigger( "select", event, ui );
+ }
+});
+
+}( jQuery ));