From e7c9e8877e76a8d668756b1f752e12d17a2b124f Mon Sep 17 00:00:00 2001
From: Alexander Schmitz <arschmitz@gmail.com>
Date: Tue, 14 Jul 2015 22:06:31 -0400
Subject: Selectmenu: Move selectmenu into widgets folder

Ref #13885
---
 ui/widgets/selectmenu.js | 683 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 683 insertions(+)
 create mode 100644 ui/widgets/selectmenu.js

(limited to 'ui/widgets')

diff --git a/ui/widgets/selectmenu.js b/ui/widgets/selectmenu.js
new file mode 100644
index 000000000..bf415a826
--- /dev/null
+++ b/ui/widgets/selectmenu.js
@@ -0,0 +1,683 @@
+/*!
+ * jQuery UI Selectmenu @VERSION
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ */
+
+//>>label: Selectmenu
+//>>group: Widgets
+//>>description: Duplicates and extends the functionality of a native HTML select element, allowing it to be customizable in behavior and appearance far beyond the limitations of a native select.
+//>>docs: http://api.jqueryui.com/selectmenu/
+//>>demos: http://jqueryui.com/selectmenu/
+//>>css.structure: ../themes/base/core.css
+//>>css.structure: ../themes/base/selectmenu.css
+//>>css.theme: ../themes/base/theme.css
+
+( function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define( [
+			"jquery",
+			"./menu",
+			"../escape-selector",
+			"../keycode",
+			"../labels",
+			"../position",
+			"../unique-id",
+			"../version",
+			"../widget"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}( function( $ ) {
+
+return $.widget( "ui.selectmenu", {
+	version: "@VERSION",
+	defaultElement: "<select>",
+	options: {
+		appendTo: null,
+		classes: {
+			"ui-selectmenu-button-open": "ui-corner-top",
+			"ui-selectmenu-button-closed": "ui-corner-all"
+		},
+		disabled: null,
+		icons: {
+			button: "ui-icon-triangle-1-s"
+		},
+		position: {
+			my: "left top",
+			at: "left bottom",
+			collision: "none"
+		},
+		width: false,
+
+		// callbacks
+		change: null,
+		close: null,
+		focus: null,
+		open: null,
+		select: null
+	},
+
+	_create: function() {
+		var selectmenuId = this.element.uniqueId().attr( "id" );
+		this.ids = {
+			element: selectmenuId,
+			button: selectmenuId + "-button",
+			menu: selectmenuId + "-menu"
+		};
+
+		this._drawButton();
+		this._drawMenu();
+
+		this._rendered = false;
+		this.menuItems = $();
+
+		if ( this.options.disabled ) {
+			this.disable();
+		}
+	},
+
+	_drawButton: function() {
+		var icon,
+			that = this,
+			item = this._parseOption(
+				this.element.find( "option:selected" ),
+				this.element[ 0 ].selectedIndex
+			);
+
+		// Associate existing label with the new button
+		this.labels = this.element.labels().attr( "for", this.ids.button );
+		this._on( this.labels, {
+			click: function( event ) {
+				this.button.focus();
+				event.preventDefault();
+			}
+		} );
+
+		// Hide original select element
+		this.element.hide();
+
+		// Create button
+		this.button = $( "<span>", {
+			tabindex: this.options.disabled ? -1 : 0,
+			id: this.ids.button,
+			role: "combobox",
+			"aria-expanded": "false",
+			"aria-autocomplete": "list",
+			"aria-owns": this.ids.menu,
+			"aria-haspopup": "true",
+			title: this.element.attr( "title" )
+		} )
+			.insertAfter( this.element );
+
+		this._addClass( this.button, "ui-selectmenu-button ui-selectmenu-button-closed",
+			"ui-widget ui-state-default" );
+
+		icon = $( "<span>" ).prependTo( this.button );
+		this._addClass( icon, null, "ui-icon " + this.options.icons.button );
+
+		this.buttonItem = this._renderButtonItem( item )
+			.appendTo( this.button );
+
+		if ( this.options.width !== false ) {
+			this._resizeButton();
+		}
+
+		this._on( this.button, this._buttonEvents );
+		this.button.one( "focusin", function() {
+
+			// Delay rendering the menu items until the button receives focus.
+			// The menu may have already been rendered via a programmatic open.
+			if ( !that._rendered ) {
+				that._refreshMenu();
+			}
+		} );
+		this._hoverable( this.button );
+		this._focusable( this.button );
+	},
+
+	_drawMenu: function() {
+		var that = this;
+
+		// Create menu
+		this.menu = $( "<ul>", {
+			"aria-hidden": "true",
+			"aria-labelledby": this.ids.button,
+			id: this.ids.menu
+		} );
+
+		// Wrap menu
+		this.menuWrap = $( "<div>" ).append( this.menu );
+		this._addClass( this.menuWrap, "ui-selectmenu-menu", "ui-front" );
+		this.menuWrap.appendTo( this._appendTo() );
+
+		// Initialize menu widget
+		this.menuInstance = this.menu
+			.menu( {
+				classes: {
+					"ui-menu": "ui-corner-bottom"
+				},
+				role: "listbox",
+				select: function( event, ui ) {
+					event.preventDefault();
+
+					// support: IE8
+					// If the item was selected via a click, the text selection
+					// will be destroyed in IE
+					that._setSelection();
+
+					that._select( ui.item.data( "ui-selectmenu-item" ), event );
+				},
+				focus: function( event, ui ) {
+					var item = ui.item.data( "ui-selectmenu-item" );
+
+					// Prevent inital focus from firing and check if its a newly focused item
+					if ( that.focusIndex != null && item.index !== that.focusIndex ) {
+						that._trigger( "focus", event, { item: item } );
+						if ( !that.isOpen ) {
+							that._select( item, event );
+						}
+					}
+					that.focusIndex = item.index;
+
+					that.button.attr( "aria-activedescendant",
+						that.menuItems.eq( item.index ).attr( "id" ) );
+				}
+			} )
+			.menu( "instance" );
+
+		// Don't close the menu on mouseleave
+		this.menuInstance._off( this.menu, "mouseleave" );
+
+		// Cancel the menu's collapseAll on document click
+		this.menuInstance._closeOnDocumentClick = function() {
+			return false;
+		};
+
+		// Selects often contain empty items, but never contain dividers
+		this.menuInstance._isDivider = function() {
+			return false;
+		};
+	},
+
+	refresh: function() {
+		this._refreshMenu();
+		this.buttonItem.replaceWith(
+			this.buttonItem = this._renderButtonItem(
+
+				// Fall back to an empty object in case there are no options
+				this._getSelectedItem().data( "ui-selectmenu-item" ) || {}
+			)
+		);
+		if ( this.options.width === null ) {
+			this._resizeButton();
+		}
+	},
+
+	_refreshMenu: function() {
+		var item,
+			options = this.element.find( "option" );
+
+		this.menu.empty();
+
+		this._parseOptions( options );
+		this._renderMenu( this.menu, this.items );
+
+		this.menuInstance.refresh();
+		this.menuItems = this.menu.find( "li" )
+			.not( ".ui-selectmenu-optgroup" )
+				.find( ".ui-menu-item-wrapper" );
+
+		this._rendered = true;
+
+		if ( !options.length ) {
+			return;
+		}
+
+		item = this._getSelectedItem();
+
+		// Update the menu to have the correct item focused
+		this.menuInstance.focus( null, item );
+		this._setAria( item.data( "ui-selectmenu-item" ) );
+
+		// Set disabled state
+		this._setOption( "disabled", this.element.prop( "disabled" ) );
+	},
+
+	open: function( event ) {
+		if ( this.options.disabled ) {
+			return;
+		}
+
+		// If this is the first time the menu is being opened, render the items
+		if ( !this._rendered ) {
+			this._refreshMenu();
+		} else {
+
+			// Menu clears focus on close, reset focus to selected item
+			this._removeClass( this.menu.find( ".ui-state-active" ), null, "ui-state-active" );
+			this.menuInstance.focus( null, this._getSelectedItem() );
+		}
+
+		// If there are no options, don't open the menu
+		if ( !this.menuItems.length ) {
+			return;
+		}
+
+		this.isOpen = true;
+		this._toggleAttr();
+		this._resizeMenu();
+		this._position();
+
+		this._on( this.document, this._documentClick );
+
+		this._trigger( "open", event );
+	},
+
+	_position: function() {
+		this.menuWrap.position( $.extend( { of: this.button }, this.options.position ) );
+	},
+
+	close: function( event ) {
+		if ( !this.isOpen ) {
+			return;
+		}
+
+		this.isOpen = false;
+		this._toggleAttr();
+
+		this.range = null;
+		this._off( this.document );
+
+		this._trigger( "close", event );
+	},
+
+	widget: function() {
+		return this.button;
+	},
+
+	menuWidget: function() {
+		return this.menu;
+	},
+
+	_renderButtonItem: function( item ) {
+		var buttonItem = $( "<span>" );
+
+		this._setText( buttonItem, item.label );
+		this._addClass( buttonItem, "ui-selectmenu-text" );
+
+		return buttonItem;
+	},
+
+	_renderMenu: function( ul, items ) {
+		var that = this,
+			currentOptgroup = "";
+
+		$.each( items, function( index, item ) {
+			var li;
+
+			if ( item.optgroup !== currentOptgroup ) {
+				li = $( "<li>", {
+					text: item.optgroup
+				} );
+				that._addClass( li, "ui-selectmenu-optgroup", "ui-menu-divider" +
+					( item.element.parent( "optgroup" ).prop( "disabled" ) ?
+						" ui-state-disabled" :
+						"" ) );
+
+				li.appendTo( ul );
+
+				currentOptgroup = item.optgroup;
+			}
+
+			that._renderItemData( ul, item );
+		} );
+	},
+
+	_renderItemData: function( ul, item ) {
+		return this._renderItem( ul, item ).data( "ui-selectmenu-item", item );
+	},
+
+	_renderItem: function( ul, item ) {
+		var li = $( "<li>" ),
+			wrapper = $( "<div>", {
+				title: item.element.attr( "title" )
+			} );
+
+		if ( item.disabled ) {
+			this._addClass( li, null, "ui-state-disabled" );
+		}
+		this._setText( wrapper, item.label );
+
+		return li.append( wrapper ).appendTo( ul );
+	},
+
+	_setText: function( element, value ) {
+		if ( value ) {
+			element.text( value );
+		} else {
+			element.html( "&#160;" );
+		}
+	},
+
+	_move: function( direction, event ) {
+		var item, next,
+			filter = ".ui-menu-item";
+
+		if ( this.isOpen ) {
+			item = this.menuItems.eq( this.focusIndex ).parent( "li" );
+		} else {
+			item = this.menuItems.eq( this.element[ 0 ].selectedIndex ).parent( "li" );
+			filter += ":not(.ui-state-disabled)";
+		}
+
+		if ( direction === "first" || direction === "last" ) {
+			next = item[ direction === "first" ? "prevAll" : "nextAll" ]( filter ).eq( -1 );
+		} else {
+			next = item[ direction + "All" ]( filter ).eq( 0 );
+		}
+
+		if ( next.length ) {
+			this.menuInstance.focus( event, next );
+		}
+	},
+
+	_getSelectedItem: function() {
+		return this.menuItems.eq( this.element[ 0 ].selectedIndex ).parent( "li" );
+	},
+
+	_toggle: function( event ) {
+		this[ this.isOpen ? "close" : "open" ]( event );
+	},
+
+	_setSelection: function() {
+		var selection;
+
+		if ( !this.range ) {
+			return;
+		}
+
+		if ( window.getSelection ) {
+			selection = window.getSelection();
+			selection.removeAllRanges();
+			selection.addRange( this.range );
+
+		// support: IE8
+		} else {
+			this.range.select();
+		}
+
+		// support: IE
+		// Setting the text selection kills the button focus in IE, but
+		// restoring the focus doesn't kill the selection.
+		this.button.focus();
+	},
+
+	_documentClick: {
+		mousedown: function( event ) {
+			if ( !this.isOpen ) {
+				return;
+			}
+
+			if ( !$( event.target ).closest( ".ui-selectmenu-menu, #" +
+					$.ui.escapeSelector( this.ids.button ) ).length ) {
+				this.close( event );
+			}
+		}
+	},
+
+	_buttonEvents: {
+
+		// Prevent text selection from being reset when interacting with the selectmenu (#10144)
+		mousedown: function() {
+			var selection;
+
+			if ( window.getSelection ) {
+				selection = window.getSelection();
+				if ( selection.rangeCount ) {
+					this.range = selection.getRangeAt( 0 );
+				}
+
+			// support: IE8
+			} else {
+				this.range = document.selection.createRange();
+			}
+		},
+
+		click: function( event ) {
+			this._setSelection();
+			this._toggle( event );
+		},
+
+		keydown: function( event ) {
+			var preventDefault = true;
+			switch ( event.keyCode ) {
+			case $.ui.keyCode.TAB:
+			case $.ui.keyCode.ESCAPE:
+				this.close( event );
+				preventDefault = false;
+				break;
+			case $.ui.keyCode.ENTER:
+				if ( this.isOpen ) {
+					this._selectFocusedItem( event );
+				}
+				break;
+			case $.ui.keyCode.UP:
+				if ( event.altKey ) {
+					this._toggle( event );
+				} else {
+					this._move( "prev", event );
+				}
+				break;
+			case $.ui.keyCode.DOWN:
+				if ( event.altKey ) {
+					this._toggle( event );
+				} else {
+					this._move( "next", event );
+				}
+				break;
+			case $.ui.keyCode.SPACE:
+				if ( this.isOpen ) {
+					this._selectFocusedItem( event );
+				} else {
+					this._toggle( event );
+				}
+				break;
+			case $.ui.keyCode.LEFT:
+				this._move( "prev", event );
+				break;
+			case $.ui.keyCode.RIGHT:
+				this._move( "next", event );
+				break;
+			case $.ui.keyCode.HOME:
+			case $.ui.keyCode.PAGE_UP:
+				this._move( "first", event );
+				break;
+			case $.ui.keyCode.END:
+			case $.ui.keyCode.PAGE_DOWN:
+				this._move( "last", event );
+				break;
+			default:
+				this.menu.trigger( event );
+				preventDefault = false;
+			}
+
+			if ( preventDefault ) {
+				event.preventDefault();
+			}
+		}
+	},
+
+	_selectFocusedItem: function( event ) {
+		var item = this.menuItems.eq( this.focusIndex ).parent( "li" );
+		if ( !item.hasClass( "ui-state-disabled" ) ) {
+			this._select( item.data( "ui-selectmenu-item" ), event );
+		}
+	},
+
+	_select: function( item, event ) {
+		var oldIndex = this.element[ 0 ].selectedIndex;
+
+		// Change native select element
+		this.element[ 0 ].selectedIndex = item.index;
+		this.buttonItem.replaceWith( this.buttonItem = this._renderButtonItem( item ) );
+		this._setAria( item );
+		this._trigger( "select", event, { item: item } );
+
+		if ( item.index !== oldIndex ) {
+			this._trigger( "change", event, { item: item } );
+		}
+
+		this.close( event );
+	},
+
+	_setAria: function( item ) {
+		var id = this.menuItems.eq( item.index ).attr( "id" );
+
+		this.button.attr( {
+			"aria-labelledby": id,
+			"aria-activedescendant": id
+		} );
+		this.menu.attr( "aria-activedescendant", id );
+	},
+
+	_setOption: function( key, value ) {
+		if ( key === "icons" ) {
+			var icon = this.button.find( "span.ui-icon" );
+			this._removeClass( icon, null, this.options.icons.button )
+				._addClass( icon, null, value.button );
+		}
+
+		this._super( key, value );
+
+		if ( key === "appendTo" ) {
+			this.menuWrap.appendTo( this._appendTo() );
+		}
+
+		if ( key === "disabled" ) {
+			this.menuInstance.option( "disabled", value );
+			this.button.attr( "aria-disabled", value );
+			this._toggleClass( this.button, null, "ui-state-disabled", value );
+
+			this.element.prop( "disabled", value );
+			if ( value ) {
+				this.button.attr( "tabindex", -1 );
+				this.close();
+			} else {
+				this.button.attr( "tabindex", 0 );
+			}
+		}
+
+		if ( key === "width" ) {
+			this._resizeButton();
+		}
+	},
+
+	_appendTo: function() {
+		var element = this.options.appendTo;
+
+		if ( element ) {
+			element = element.jquery || element.nodeType ?
+				$( element ) :
+				this.document.find( element ).eq( 0 );
+		}
+
+		if ( !element || !element[ 0 ] ) {
+			element = this.element.closest( ".ui-front, dialog" );
+		}
+
+		if ( !element.length ) {
+			element = this.document[ 0 ].body;
+		}
+
+		return element;
+	},
+
+	_toggleAttr: function() {
+		this.button.attr( "aria-expanded", this.isOpen );
+
+		// We can't use two _toggleClass() calls here, because we need to make sure
+		// we always remove classes first and add them second, otherwise if both classes have the
+		// same theme class, it will be removed after we add it.
+		this._removeClass( this.button, "ui-selectmenu-button-" +
+				( this.isOpen ? "closed" : "open" ) )
+			._addClass( this.button, "ui-selectmenu-button-" +
+				( this.isOpen ? "open" : "closed" ) )
+			._toggleClass( this.menuWrap, "ui-selectmenu-open", null, this.isOpen );
+
+		this.menu.attr( "aria-hidden", !this.isOpen );
+	},
+
+	_resizeButton: function() {
+		var width = this.options.width;
+
+		// For `width: false`, just remove inline style and stop
+		if ( width === false ) {
+			this.button.css( "width", "" );
+			return;
+		}
+
+		// For `width: null`, match the width of the original element
+		if ( width === null ) {
+			width = this.element.show().outerWidth();
+			this.element.hide();
+		}
+
+		this.button.outerWidth( width );
+	},
+
+	_resizeMenu: function() {
+		this.menu.outerWidth( Math.max(
+			this.button.outerWidth(),
+
+			// support: IE10
+			// IE10 wraps long text (possibly a rounding bug)
+			// so we add 1px to avoid the wrapping
+			this.menu.width( "" ).outerWidth() + 1
+		) );
+	},
+
+	_getCreateOptions: function() {
+		return { disabled: this.element.prop( "disabled" ) };
+	},
+
+	_parseOptions: function( options ) {
+		var that = this,
+			data = [];
+		options.each( function( index, item ) {
+			data.push( that._parseOption( $( item ), index ) );
+		} );
+		this.items = data;
+	},
+
+	_parseOption: function( option, index ) {
+		var optgroup = option.parent( "optgroup" );
+
+		return {
+			element: option,
+			index: index,
+			value: option.val(),
+			label: option.text(),
+			optgroup: optgroup.attr( "label" ) || "",
+			disabled: optgroup.prop( "disabled" ) || option.prop( "disabled" )
+		};
+	},
+
+	_destroy: function() {
+		this.menuWrap.remove();
+		this.button.remove();
+		this.element.show();
+		this.element.removeUniqueId();
+		this.labels.attr( "for", this.ids.element );
+	}
+} );
+
+} ) );
-- 
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