| //////////////////////////////////////////////////////////////////////////////// |
| // |
| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You under the Apache License, Version 2.0 |
| // (the "License"); you may not use this file except in compliance with |
| // the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| //////////////////////////////////////////////////////////////////////////////// |
| package bxf.ui.controls |
| { |
| import flash.display.DisplayObject; |
| import flash.events.Event; |
| import flash.events.MouseEvent; |
| |
| import mx.containers.HBox; |
| import mx.controls.Image; |
| |
| /** |
| * HUDImagePopupControl is an image control with the popup menu functionality. It allows specifying |
| * a separate control as the owner to be able to position the menu relative to that control. |
| * */ |
| public class HUDImagePopupControl extends HBox { |
| private var mListDropDownImg:Class; |
| private var mListDropDownBmp:Image; |
| private var mValueMenu:BxPopupMenu; |
| private var mLabelField:String; |
| |
| private var mSelValue:String; |
| private var isOpen:Boolean; |
| |
| /** Workaround for bug in Flex 4.0.0.2514. SWFLoader event handler called from within addChild fails if systemMaanger is null. */ |
| private const workaroundFlexBug:Boolean = true; |
| private var imageNeedsAttach:Boolean; |
| |
| |
| public function HUDImagePopupControl(inImageClass:Class, inValues:Array=null, inStyleName:String="bxControls") { |
| super(); |
| |
| this.styleName = inStyleName; |
| |
| this.mListDropDownImg = inImageClass; |
| |
| mListDropDownBmp = new Image; |
| mListDropDownBmp.source = mListDropDownImg; |
| this.addEventListener(MouseEvent.CLICK, onPopupClicked); |
| |
| imageNeedsAttach = false; |
| if (workaroundFlexBug) |
| imageNeedsAttach = true; |
| else |
| addChild(mListDropDownBmp); |
| |
| mValueMenu = new BxPopupMenu(this, inValues, mListDropDownBmp); |
| mValueMenu.addEventListener(BxPopupMenu.SELECTION_CHANGED, onSelectionChanged); |
| |
| isOpen = false; |
| } |
| |
| private function checkImageAttach():void |
| { |
| if (imageNeedsAttach && systemManager != null) |
| { |
| addChild(mListDropDownBmp); |
| imageNeedsAttach = false; |
| } |
| } |
| public function set values(inArray:Array):void { |
| checkImageAttach(); |
| mValueMenu.hide(); |
| mValueMenu.values = inArray; |
| } |
| |
| public function set labelField(inLabelField:String):void { |
| checkImageAttach(); |
| mValueMenu.labelField = inLabelField; |
| } |
| |
| public function set menuPositionOwner(inMenuPositionOwner:DisplayObject):void { |
| checkImageAttach(); |
| mValueMenu.menuPositionOwner = inMenuPositionOwner; |
| } |
| |
| /** Set to one of the BxPopupMenu.MENU_LOCATION_XXX constants. If not set to a valid value, |
| * defaults to MENU_LOCATION_BELOW. */ |
| public function set menuPosition(inPosition:String):void { |
| checkImageAttach(); |
| mValueMenu.menuPosition = inPosition; |
| } |
| |
| public function get selectedItem():Object { |
| checkImageAttach(); |
| return mValueMenu.selectedItemData; |
| } |
| |
| public function get popupMenu():BxPopupMenu { |
| checkImageAttach(); |
| return mValueMenu; |
| } |
| |
| public function get imageButton():Image { |
| checkImageAttach(); |
| return mListDropDownBmp; |
| } |
| |
| protected function onPopupClicked(evt:MouseEvent):void { |
| checkImageAttach(); |
| if (isOpen) |
| mValueMenu.hide(); |
| else |
| mValueMenu.Open(); |
| isOpen = !isOpen; |
| } |
| |
| protected function onSelectionChanged(evt:Event):void { |
| |
| checkImageAttach(); |
| this.dispatchEvent(evt); |
| isOpen = false; |
| } |
| |
| } |
| } |