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Diffstat (limited to 'resources/lib/jquery.ui/jquery.ui.menu.js')
| -rw-r--r-- | resources/lib/jquery.ui/jquery.ui.menu.js | 610 |
1 files changed, 610 insertions, 0 deletions
diff --git a/resources/lib/jquery.ui/jquery.ui.menu.js b/resources/lib/jquery.ui/jquery.ui.menu.js new file mode 100644 index 00000000..6342f2d3 --- /dev/null +++ b/resources/lib/jquery.ui/jquery.ui.menu.js @@ -0,0 +1,610 @@ +/*! + * jQuery UI Menu 1.9.2 + * http://jqueryui.com + * + * Copyright 2012 jQuery Foundation and other contributors + * Released under the MIT license. + * http://jquery.org/license + * + * http://api.jqueryui.com/menu/ + * + * Depends: + * jquery.ui.core.js + * jquery.ui.widget.js + * jquery.ui.position.js + */ +(function( $, undefined ) { + +var mouseHandled = false; + +$.widget( "ui.menu", { + version: "1.9.2", + defaultElement: "<ul>", + delay: 300, + options: { + icons: { + submenu: "ui-icon-carat-1-e" + }, + menus: "ul", + position: { + my: "left top", + at: "right top" + }, + role: "menu", + + // callbacks + blur: null, + focus: null, + select: null + }, + + _create: function() { + this.activeMenu = this.element; + this.element + .uniqueId() + .addClass( "ui-menu ui-widget ui-widget-content ui-corner-all" ) + .toggleClass( "ui-menu-icons", !!this.element.find( ".ui-icon" ).length ) + .attr({ + role: this.options.role, + tabIndex: 0 + }) + // need to catch all clicks on disabled menu + // not possible through _on + .bind( "click" + this.eventNamespace, $.proxy(function( event ) { + if ( this.options.disabled ) { + event.preventDefault(); + } + }, this )); + + if ( this.options.disabled ) { + this.element + .addClass( "ui-state-disabled" ) + .attr( "aria-disabled", "true" ); + } + + this._on({ + // 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-state-disabled > a": function( event ) { + event.preventDefault(); + }, + "click .ui-menu-item:has(a)": function( event ) { + var target = $( event.target ).closest( ".ui-menu-item" ); + if ( !mouseHandled && target.not( ".ui-state-disabled" ).length ) { + mouseHandled = true; + + this.select( event ); + // Open submenu on click + if ( target.has( ".ui-menu" ).length ) { + this.expand( event ); + } else if ( !this.element.is( ":focus" ) ) { + // Redirect focus to the menu + this.element.trigger( "focus", [ true ] ); + + // If the active item is on the top level, let it stay active. + // Otherwise, blur the active item since it is no longer visible. + if ( this.active && this.active.parents( ".ui-menu" ).length === 1 ) { + clearTimeout( this.timer ); + } + } + } + }, + "mouseenter .ui-menu-item": function( event ) { + var target = $( event.currentTarget ); + // Remove ui-state-active class from siblings of the newly focused menu item + // to avoid a jump caused by adjacent elements both having a class with a border + target.siblings().children( ".ui-state-active" ).removeClass( "ui-state-active" ); + this.focus( event, target ); + }, + mouseleave: "collapseAll", + "mouseleave .ui-menu": "collapseAll", + focus: function( event, keepActiveItem ) { + // If there's already an active item, keep it active + // If not, activate the first item + var item = this.active || this.element.children( ".ui-menu-item" ).eq( 0 ); + + if ( !keepActiveItem ) { + this.focus( event, item ); + } + }, + blur: function( event ) { + this._delay(function() { + if ( !$.contains( this.element[0], this.document[0].activeElement ) ) { + this.collapseAll( event ); + } + }); + }, + keydown: "_keydown" + }); + + this.refresh(); + + // Clicks outside of a menu collapse any open menus + this._on( this.document, { + click: function( event ) { + if ( !$( event.target ).closest( ".ui-menu" ).length ) { + this.collapseAll( event ); + } + + // Reset the mouseHandled flag + mouseHandled = false; + } + }); + }, + + _destroy: function() { + // Destroy (sub)menus + this.element + .removeAttr( "aria-activedescendant" ) + .find( ".ui-menu" ).andSelf() + .removeClass( "ui-menu ui-widget ui-widget-content ui-corner-all ui-menu-icons" ) + .removeAttr( "role" ) + .removeAttr( "tabIndex" ) + .removeAttr( "aria-labelledby" ) + .removeAttr( "aria-expanded" ) + .removeAttr( "aria-hidden" ) + .removeAttr( "aria-disabled" ) + .removeUniqueId() + .show(); + + // Destroy menu items + this.element.find( ".ui-menu-item" ) + .removeClass( "ui-menu-item" ) + .removeAttr( "role" ) + .removeAttr( "aria-disabled" ) + .children( "a" ) + .removeUniqueId() + .removeClass( "ui-corner-all ui-state-hover" ) + .removeAttr( "tabIndex" ) + .removeAttr( "role" ) + .removeAttr( "aria-haspopup" ) + .children().each( function() { + var elem = $( this ); + if ( elem.data( "ui-menu-submenu-carat" ) ) { + elem.remove(); + } + }); + + // Destroy menu dividers + this.element.find( ".ui-menu-divider" ).removeClass( "ui-menu-divider ui-widget-content" ); + }, + + _keydown: function( event ) { + var match, prev, character, skip, regex, + preventDefault = true; + + function escape( value ) { + return value.replace( /[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&" ); + } + + switch ( event.keyCode ) { + case $.ui.keyCode.PAGE_UP: + this.previousPage( event ); + break; + case $.ui.keyCode.PAGE_DOWN: + this.nextPage( event ); + break; + case $.ui.keyCode.HOME: + this._move( "first", "first", event ); + break; + case $.ui.keyCode.END: + this._move( "last", "last", event ); + break; + case $.ui.keyCode.UP: + this.previous( event ); + break; + case $.ui.keyCode.DOWN: + this.next( event ); + break; + case $.ui.keyCode.LEFT: + this.collapse( event ); + break; + case $.ui.keyCode.RIGHT: + if ( this.active && !this.active.is( ".ui-state-disabled" ) ) { + this.expand( event ); + } + break; + case $.ui.keyCode.ENTER: + case $.ui.keyCode.SPACE: + this._activate( event ); + break; + case $.ui.keyCode.ESCAPE: + this.collapse( event ); + break; + default: + preventDefault = false; + prev = this.previousFilter || ""; + character = String.fromCharCode( event.keyCode ); + skip = false; + + clearTimeout( this.filterTimer ); + + if ( character === prev ) { + skip = true; + } else { + character = prev + character; + } + + regex = new RegExp( "^" + escape( character ), "i" ); + match = this.activeMenu.children( ".ui-menu-item" ).filter(function() { + return regex.test( $( this ).children( "a" ).text() ); + }); + match = skip && match.index( this.active.next() ) !== -1 ? + this.active.nextAll( ".ui-menu-item" ) : + match; + + // If no matches on the current filter, reset to the last character pressed + // to move down the menu to the first item that starts with that character + if ( !match.length ) { + character = String.fromCharCode( event.keyCode ); + regex = new RegExp( "^" + escape( character ), "i" ); + match = this.activeMenu.children( ".ui-menu-item" ).filter(function() { + return regex.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; + } + } + + if ( preventDefault ) { + event.preventDefault(); + } + }, + + _activate: function( event ) { + if ( !this.active.is( ".ui-state-disabled" ) ) { + if ( this.active.children( "a[aria-haspopup='true']" ).length ) { + this.expand( event ); + } else { + this.select( event ); + } + } + }, + + refresh: function() { + var menus, + icon = this.options.icons.submenu, + submenus = this.element.find( this.options.menus ); + + // Initialize nested menus + submenus.filter( ":not(.ui-menu)" ) + .addClass( "ui-menu ui-widget ui-widget-content ui-corner-all" ) + .hide() + .attr({ + role: this.options.role, + "aria-hidden": "true", + "aria-expanded": "false" + }) + .each(function() { + var menu = $( this ), + item = menu.prev( "a" ), + submenuCarat = $( "<span>" ) + .addClass( "ui-menu-icon ui-icon " + icon ) + .data( "ui-menu-submenu-carat", true ); + + item + .attr( "aria-haspopup", "true" ) + .prepend( submenuCarat ); + menu.attr( "aria-labelledby", item.attr( "id" ) ); + }); + + menus = submenus.add( this.element ); + + // Don't refresh list items that are already adapted + menus.children( ":not(.ui-menu-item):has(a)" ) + .addClass( "ui-menu-item" ) + .attr( "role", "presentation" ) + .children( "a" ) + .uniqueId() + .addClass( "ui-corner-all" ) + .attr({ + tabIndex: -1, + role: this._itemRole() + }); + + // Initialize unlinked menu-items containing spaces and/or dashes only as dividers + menus.children( ":not(.ui-menu-item)" ).each(function() { + var item = $( this ); + // hyphen, em dash, en dash + if ( !/[^\-—–\s]/.test( item.text() ) ) { + item.addClass( "ui-widget-content ui-menu-divider" ); + } + }); + + // Add aria-disabled attribute to any disabled menu item + menus.children( ".ui-state-disabled" ).attr( "aria-disabled", "true" ); + + // If the active item has been removed, blur the menu + if ( this.active && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) { + this.blur(); + } + }, + + _itemRole: function() { + return { + menu: "menuitem", + listbox: "option" + }[ this.options.role ]; + }, + + focus: function( event, item ) { + var nested, focused; + this.blur( event, event && event.type === "focus" ); + + this._scrollIntoView( item ); + + this.active = item.first(); + focused = this.active.children( "a" ).addClass( "ui-state-focus" ); + // Only update aria-activedescendant if there's a role + // otherwise we assume focus is managed elsewhere + if ( this.options.role ) { + this.element.attr( "aria-activedescendant", focused.attr( "id" ) ); + } + + // Highlight active parent menu item, if any + this.active + .parent() + .closest( ".ui-menu-item" ) + .children( "a:first" ) + .addClass( "ui-state-active" ); + + if ( event && event.type === "keydown" ) { + this._close(); + } else { + this.timer = this._delay(function() { + this._close(); + }, this.delay ); + } + + nested = item.children( ".ui-menu" ); + if ( nested.length && ( /^mouse/.test( event.type ) ) ) { + this._startOpening(nested); + } + this.activeMenu = item.parent(); + + this._trigger( "focus", event, { item: item } ); + }, + + _scrollIntoView: function( item ) { + var borderTop, paddingTop, offset, scroll, elementHeight, itemHeight; + if ( this._hasScroll() ) { + borderTop = parseFloat( $.css( this.activeMenu[0], "borderTopWidth" ) ) || 0; + paddingTop = parseFloat( $.css( this.activeMenu[0], "paddingTop" ) ) || 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 ); + } + } + }, + + blur: function( event, fromFocus ) { + if ( !fromFocus ) { + clearTimeout( this.timer ); + } + + if ( !this.active ) { + return; + } + + 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 ) { + var position = $.extend({ + of: this.active + }, this.options.position ); + + clearTimeout( this.timer ); + this.element.find( ".ui-menu" ).not( submenu.parents( ".ui-menu" ) ) + .hide() + .attr( "aria-hidden", "true" ); + + submenu + .show() + .removeAttr( "aria-hidden" ) + .attr( "aria-expanded", "true" ) + .position( position ); + }, + + collapseAll: function( event, all ) { + clearTimeout( this.timer ); + this.timer = this._delay(function() { + // 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; + }, this.delay ); + }, + + // 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 ); + } + }, + + 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() ); + + // Delay so Firefox will not hide activedescendant change in expanding submenu from AT + this._delay(function() { + this.focus( event, newItem ); + }); + } + }, + + next: function( event ) { + this._move( "next", "first", event ); + }, + + previous: function( event ) { + this._move( "prev", "last", event ); + }, + + isFirstItem: function() { + return this.active && !this.active.prevAll( ".ui-menu-item" ).length; + }, + + isLastItem: function() { + return this.active && !this.active.nextAll( ".ui-menu-item" ).length; + }, + + _move: function( direction, filter, event ) { + var next; + if ( this.active ) { + 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 || !next.length || !this.active ) { + next = this.activeMenu.children( ".ui-menu-item" )[ filter ](); + } + + this.focus( event, next ); + }, + + nextPage: function( event ) { + var item, base, height; + + if ( !this.active ) { + this.next( event ); + return; + } + if ( this.isLastItem() ) { + return; + } + if ( this._hasScroll() ) { + base = this.active.offset().top; + height = this.element.height(); + this.active.nextAll( ".ui-menu-item" ).each(function() { + item = $( this ); + return item.offset().top - base - height < 0; + }); + + this.focus( event, item ); + } else { + this.focus( event, this.activeMenu.children( ".ui-menu-item" ) + [ !this.active ? "first" : "last" ]() ); + } + }, + + previousPage: function( event ) { + var item, base, height; + if ( !this.active ) { + this.next( event ); + return; + } + if ( this.isFirstItem() ) { + return; + } + if ( this._hasScroll() ) { + base = this.active.offset().top; + height = this.element.height(); + this.active.prevAll( ".ui-menu-item" ).each(function() { + item = $( this ); + return item.offset().top - base + height > 0; + }); + + this.focus( event, item ); + } else { + this.focus( event, this.activeMenu.children( ".ui-menu-item" ).first() ); + } + }, + + _hasScroll: function() { + return this.element.outerHeight() < this.element.prop( "scrollHeight" ); + }, + + select: function( event ) { + // TODO: It should never be possible to not have an active item at this + // point, but the tests don't trigger mouseenter before click. + this.active = this.active || $( event.target ).closest( ".ui-menu-item" ); + var ui = { item: this.active }; + if ( !this.active.has( ".ui-menu" ).length ) { + this.collapseAll( event, true ); + } + this._trigger( "select", event, ui ); + } +}); + +}( jQuery )); |