Selectmenu: improve disabled item handling

Author: fnagel

tests/visual/selectmenu/selectmenu.html

@@ -156,7 +156,7 @@ <h2>Disabled tests</h2>
 
 		<label for="disabled2">Disabled options</label>
 		<select name="disabled2" id="disabled2">
-			<option value="1">1</option>
+			<option value="1" disabled="disabled">1</option>
 			<option value="2" selected="selected">2</option>
 			<option value="3">3</option>
 			<option disabled="disabled" value="4">4</option>

ui/jquery.ui.selectmenu.js

@@ -287,17 +287,24 @@ $.widget( "ui.selectmenu", {
 	},
 
 	_move: function( direction, event ) {
+		var filter = ".ui-menu-item",
+			item, next;
+
+		if ( this.isOpen ) {
+			item = this.menuItems.eq( this.focusIndex );
+		} else {
+			item = this.menuItems.eq( this.element[ 0 ].selectedIndex );
+			filter += ":not(.ui-state-disabled)";
+		}
+
 		if ( direction === "first" || direction === "last" ) {
-			// Set focus manually for first or last item
-			this.menu.menu( "focus", event, this.menuItems[ direction ]() );
+			next = item[ direction === "first" ? "prevAll" : "nextAll" ]( filter ).eq( -1 );
 		} else {
-			if ( direction === "previous" && this.menu.menu( "isFirstItem" ) ||
-					direction === "next" && this.menu.menu( "isLastItem" ) ) {
-				return;
-			}
+			next = item[ direction + "All" ]( filter ).eq( 0 );
+		}
 
-			// Move to and focus next or prev item
-			this.menu.menu( direction, event );
+		if ( next.length ) {
+			this.menu.menu( "focus", event, next );
 		}
 	},
 
@@ -340,14 +347,14 @@ $.widget( "ui.selectmenu", {
 					break;
 				case $.ui.keyCode.ENTER:
 					if ( this.isOpen ) {
-						this.menuInstance.select( event );
+						this._selectMenu( event );
 					}
 					break;
 				case $.ui.keyCode.UP:
 					if ( event.altKey ) {
 						this._toggle( event );
 					} else {
-						this._move( "previous", event );
+						this._move( "prev", event );
 					}
 					break;
 				case $.ui.keyCode.DOWN:
@@ -359,13 +366,13 @@ $.widget( "ui.selectmenu", {
 					break;
 				case $.ui.keyCode.SPACE:
 					if ( this.isOpen ) {
-						this.menuInstance.select( event );
+						this._selectMenu( event );
 					} else {
 						this._toggle( event );
 					}
 					break;
 				case $.ui.keyCode.LEFT:
-					this._move( "previous", event );
+					this._move( "prev", event );
 					break;
 				case $.ui.keyCode.RIGHT:
 					this._move( "next", event );
@@ -389,6 +396,12 @@ $.widget( "ui.selectmenu", {
 		}
 	},
 
+	_selectMenu: function( event ) {
+		if ( !this.menuItems.eq( this.focusIndex ).hasClass( "ui-state-disabled" ) ) {
+			this.menuInstance.select( event );
+		}
+	},
+
 	_select: function( item, event ) {
 		var oldIndex = this.element[ 0 ].selectedIndex;