Radii8Library/src/com/flexcapacitor/views/Breadcrumbs.mxml - flex-radii8 - Git at Google

 <?xml version="1.0" encoding="utf-8"?>
 <!--

 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.

 -->
 <s:Group xmlns:controls="com.flexcapacitor.graphics.*"
 		 xmlns:fx="http://ns.adobe.com/mxml/2009"
 		 xmlns:mx="library://ns.adobe.com/flex/mx"
 		 xmlns:s="library://ns.adobe.com/flex/spark"
 		 width="100%"
 		 minWidth="80"
 		 creationComplete="creationCompleteHandler(event)">

 	<!-- Consider width and height to be 100% -->

 	<fx:Script>
 		<![CDATA[
 			import com.flexcapacitor.controller.Radiate;
 			import com.flexcapacitor.events.RadiateEvent;
 			import com.flexcapacitor.model.IDocument;
 			import com.flexcapacitor.model.VisualElementVO;
 			import com.flexcapacitor.utils.InspectorUtils;

 			import mx.collections.ArrayCollection;
 			import mx.core.IVisualElement;
 			import mx.events.FlexEvent;

 			import spark.components.Application;

 			[Bindable]
 			public var dataProviderList:ArrayCollection = new ArrayCollection();

 			[Bindable]
 			public var itemDescription:String;

 			[Bindable]
 			public var parentDocumentName:String;

 			public var maxDepth:int = 50;


 			public var radiate:Radiate = Radiate.instance;

 			/**
 			 * Flag for commit properties
 			 * */
 			private var targetChanged:Boolean;

 			/**
 			 * Displays the ID of the component if available
 			 * */
 			private var showID:String;

 			/**
 			 * When true sets the bread crumbs with the
 			 * target on the right and ancestors on the left
 			 * */
 			public var showRightToLeft:Boolean = true;

 			/**
 			 * Components tree
 			 * */
 			private var componentsTree:Array = [];

 			private var _target:Object;
 			public function get target():* {
 				return _target;
 			}

 			/**
 			 * This is set automatically when a new target is selected
 			 * This can be any type. You must disable this component if the
 			 * type is not what you can process.
 			 * */
 			[Bindable]
 			public function set target(value:*):void {
 				_target = value;
 				targetChanged = true;
 				invalidateProperties();
 			}


 			private function mouseUpHandler(event:MouseEvent):void {
 				var isDraggable:Boolean = event.target as Sprite;
 				var isParentDraggable:Boolean = (event.target.parent != null && event.target.parent is Sprite);

 				radiate.dispatchTargetChangeEvent(event.target);
 			}


 			protected function list1_clickHandler(event:MouseEvent):void {
 				if (list.selectedItem) {
 					var element:DisplayObject = VisualElementVO(list.selectedItem).element as DisplayObject;

 					if (element!=target) {
 						radiate.dispatchTargetChangeEvent(element);
 					}
 				}
 			}

 			protected function creationCompleteHandler(event:FlexEvent):void {
 				radiate.addEventListener(RadiateEvent.TARGET_CHANGE, targetChangeHandler, false, 0, true);
 				radiate.addEventListener(RadiateEvent.ADD_ITEM, addChangeHandler, false, 0, true);
 				radiate.addEventListener(RadiateEvent.MOVE_ITEM, moveChangeHandler, false, 0, true);

 				if (radiate.targets) {
 					target = radiate.target;
 				}
 			}

 			protected function addChangeHandler(event:Event):void {

 			}

 			protected function moveChangeHandler(event:Event):void {

 			}

 			protected function targetChangeHandler(event:RadiateEvent):void {
 				target = event.selectedItem;

 				// if target is null clear bookmarks
 				if (!target) {

 				}


 			}

 			override protected function commitProperties():void {
 				super.commitProperties();

 				if (targetChanged) {
 					createBreadCrumbTrail();
 					targetChanged = false;
 					invalidateDisplayList();
 				}

 			}

 			private function createBreadCrumbTrail():void {
 				var parentDocument:IDocument = radiate.selectedDocument;
 				var lastElement:IVisualElement;
 				var newScrollPosition:int;
 				var displayItems:Array;

 				if (!target) {
 					dataProviderList.source = [];
 					return;
 				}

 				componentsTree.length = 0;
 				if (target is IDocument) target = parentDocument.instance;
 				componentsTree = InspectorUtils.getVisualElementsArray(target, componentsTree, maxDepth, parentDocument.instance);
 				//DisplayObjectUtils.walkUpTree(target, processTree);

 				if (!componentsTree) {
 					dataProviderList.source = [];
 					return;
 				}

 				componentsTree.forEach(labelFunction);

 				if (showRightToLeft) {
 					componentsTree.reverse();
 					dataProviderList.source = componentsTree;

 					// NOTE: this is the only way i've been able to get it to work
 					// and a developer in the flex sdk recommends a similar solution
 					list.validateNow();

 					if (list.scroller.viewport.contentWidth>list.width) {
 						newScrollPosition = list.scroller.viewport.contentWidth - list.width;
 					}

 					list.scroller.viewport.horizontalScrollPosition = newScrollPosition;
 					list.validateNow();

 					// check again
 					if (list.scroller.viewport.contentWidth>list.width) {
 						newScrollPosition = list.scroller.viewport.contentWidth - list.width;
 					}

 					list.scroller.viewport.horizontalScrollPosition = newScrollPosition;
 					list.validateNow();

 					if (componentsTree.length) {
 						list.selectedIndex = componentsTree.length-1;
 					}
 				}
 				else {
 					dataProviderList.source = componentsTree;
 					if (componentsTree.length) {
 						list.selectedIndex = 0;
 					}
 				}
 			}

 			public function labelFunction(item:VisualElementVO, itemIndex:int, array:Array):void {
 				var label:String = item.id && showID ? item.type + "." + item.id : item.type;


 				if (item.element is Application) {
 					label = "Document";
 				}

 				if (showRightToLeft) {
 					if (itemIndex!=0) {
 						label = label + "  >  ";
 					}
 				}
 				else {
 					if (itemIndex!=array.length-1) {
 						label = label + "  >  ";
 					}

 				}

 				item.label = label;
 			}


 		]]>
 	</fx:Script>

 	<!-- IF THIS IS TOO BIG SET THE HEIGHT IN THE INSTANCE -->
 	<s:Group width="100%">

 		<s:List id="list"
 				contentBackgroundColor="#ffffff"
 				contentBackgroundAlpha="0"
 				width="100%"
 				minHeight="16"
 				dataProvider="{dataProviderList}"
 				borderVisible="false"
 				labelField="label"
 				click="list1_clickHandler(event)"
 				horizontalScrollPolicy="auto"
 				verticalScrollPolicy="off">

 			<s:layout>
 				<s:HorizontalLayout gap="4" useVirtualLayout="false" />
 			</s:layout>

 			<s:itemRenderer>
 				<fx:Component>
 					<s:ItemRenderer width="100%" autoDrawBackground="false" minHeight="14"
 									useHandCursor="true" buttonMode="true">

 						<s:states>
 							<s:State name="normal"/>
 							<s:State name="hovered"/>
 							<s:State name="selected"/>
 						</s:states>
 						<s:Label id="labelDisplay"
 								 fontSize="11"
 								 typographicCase="lowercaseToSmallCaps"
 								 fontWeight="normal"
 								 verticalCenter="0"
 									color="#585858"
 								 color.hovered="#787878"
 								 color.selected="#383838"
 								 />

 								<!-- dark background colors -->
 								<!--
 								 color="#BBBBBB"
 								 color.hovered="#DDDDDD"
 								 color.selected="#FFFFFF"
 								-->

 								<!-- light background colors -->
 								<!--
 									color="#585858"
 								 color.hovered="#787878"
 								 color.selected="#383838"
 								-->
 					</s:ItemRenderer>
 				</fx:Component>
 			</s:itemRenderer>

 		</s:List>

 		<s:Label text="No selection"
 				 fontSize="11"
 				 verticalAlign="middle"
 				 height="{list.height}"
 				 visible="{dataProviderList.length==0}"
 				 includeInLayout="{dataProviderList.length==0}"
 				 typographicCase="lowercaseToSmallCaps"/>
 	</s:Group>


 </s:Group>
	<?xml version="1.0" encoding="utf-8"?>
	<!--

	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.

	-->
	<s:Group xmlns:controls="com.flexcapacitor.graphics.*"
	xmlns:fx="http://ns.adobe.com/mxml/2009"
	xmlns:mx="library://ns.adobe.com/flex/mx"
	xmlns:s="library://ns.adobe.com/flex/spark"
	width="100%"
	minWidth="80"
	creationComplete="creationCompleteHandler(event)">

	<!-- Consider width and height to be 100% -->

	<fx:Script>
	<![CDATA[
	import com.flexcapacitor.controller.Radiate;
	import com.flexcapacitor.events.RadiateEvent;
	import com.flexcapacitor.model.IDocument;
	import com.flexcapacitor.model.VisualElementVO;
	import com.flexcapacitor.utils.InspectorUtils;

	import mx.collections.ArrayCollection;
	import mx.core.IVisualElement;
	import mx.events.FlexEvent;

	import spark.components.Application;

	[Bindable]
	public var dataProviderList:ArrayCollection = new ArrayCollection();

	[Bindable]
	public var itemDescription:String;

	[Bindable]
	public var parentDocumentName:String;

	public var maxDepth:int = 50;


	public var radiate:Radiate = Radiate.instance;

	/**
	* Flag for commit properties
	* */
	private var targetChanged:Boolean;

	/**
	* Displays the ID of the component if available
	* */
	private var showID:String;

	/**
	* When true sets the bread crumbs with the
	* target on the right and ancestors on the left
	* */
	public var showRightToLeft:Boolean = true;

	/**
	* Components tree
	* */
	private var componentsTree:Array = [];

	private var _target:Object;
	public function get target():* {
	return _target;
	}

	/**
	* This is set automatically when a new target is selected
	* This can be any type. You must disable this component if the
	* type is not what you can process.
	* */
	[Bindable]
	public function set target(value:*):void {
	_target = value;
	targetChanged = true;
	invalidateProperties();
	}


	private function mouseUpHandler(event:MouseEvent):void {
	var isDraggable:Boolean = event.target as Sprite;
	var isParentDraggable:Boolean = (event.target.parent != null && event.target.parent is Sprite);

	radiate.dispatchTargetChangeEvent(event.target);
	}


	protected function list1_clickHandler(event:MouseEvent):void {
	if (list.selectedItem) {
	var element:DisplayObject = VisualElementVO(list.selectedItem).element as DisplayObject;

	if (element!=target) {
	radiate.dispatchTargetChangeEvent(element);
	}
	}
	}

	protected function creationCompleteHandler(event:FlexEvent):void {
	radiate.addEventListener(RadiateEvent.TARGET_CHANGE, targetChangeHandler, false, 0, true);
	radiate.addEventListener(RadiateEvent.ADD_ITEM, addChangeHandler, false, 0, true);
	radiate.addEventListener(RadiateEvent.MOVE_ITEM, moveChangeHandler, false, 0, true);

	if (radiate.targets) {
	target = radiate.target;
	}
	}

	protected function addChangeHandler(event:Event):void {

	}

	protected function moveChangeHandler(event:Event):void {

	}

	protected function targetChangeHandler(event:RadiateEvent):void {
	target = event.selectedItem;

	// if target is null clear bookmarks
	if (!target) {

	}


	}

	override protected function commitProperties():void {
	super.commitProperties();

	if (targetChanged) {
	createBreadCrumbTrail();
	targetChanged = false;
	invalidateDisplayList();
	}

	}

	private function createBreadCrumbTrail():void {
	var parentDocument:IDocument = radiate.selectedDocument;
	var lastElement:IVisualElement;
	var newScrollPosition:int;
	var displayItems:Array;

	if (!target) {
	dataProviderList.source = [];
	return;
	}

	componentsTree.length = 0;
	if (target is IDocument) target = parentDocument.instance;
	componentsTree = InspectorUtils.getVisualElementsArray(target, componentsTree, maxDepth, parentDocument.instance);
	//DisplayObjectUtils.walkUpTree(target, processTree);

	if (!componentsTree) {
	dataProviderList.source = [];
	return;
	}

	componentsTree.forEach(labelFunction);

	if (showRightToLeft) {
	componentsTree.reverse();
	dataProviderList.source = componentsTree;

	// NOTE: this is the only way i've been able to get it to work
	// and a developer in the flex sdk recommends a similar solution
	list.validateNow();

	if (list.scroller.viewport.contentWidth>list.width) {
	newScrollPosition = list.scroller.viewport.contentWidth - list.width;
	}

	list.scroller.viewport.horizontalScrollPosition = newScrollPosition;
	list.validateNow();

	// check again
	if (list.scroller.viewport.contentWidth>list.width) {
	newScrollPosition = list.scroller.viewport.contentWidth - list.width;
	}

	list.scroller.viewport.horizontalScrollPosition = newScrollPosition;
	list.validateNow();

	if (componentsTree.length) {
	list.selectedIndex = componentsTree.length-1;
	}
	}
	else {
	dataProviderList.source = componentsTree;
	if (componentsTree.length) {
	list.selectedIndex = 0;
	}
	}
	}

	public function labelFunction(item:VisualElementVO, itemIndex:int, array:Array):void {
	var label:String = item.id && showID ? item.type + "." + item.id : item.type;


	if (item.element is Application) {
	label = "Document";
	}

	if (showRightToLeft) {
	if (itemIndex!=0) {
	label = label + " > ";
	}
	}
	else {
	if (itemIndex!=array.length-1) {
	label = label + " > ";
	}

	}

	item.label = label;
	}



	]]>
	</fx:Script>

	<!-- IF THIS IS TOO BIG SET THE HEIGHT IN THE INSTANCE -->
	<s:Group width="100%">

	<s:List id="list"
	contentBackgroundColor="#ffffff"
	contentBackgroundAlpha="0"
	width="100%"
	minHeight="16"
	dataProvider="{dataProviderList}"
	borderVisible="false"
	labelField="label"
	click="list1_clickHandler(event)"
	horizontalScrollPolicy="auto"
	verticalScrollPolicy="off">

	<s:layout>
	<s:HorizontalLayout gap="4" useVirtualLayout="false" />
	</s:layout>

	<s:itemRenderer>
	<fx:Component>
	<s:ItemRenderer width="100%" autoDrawBackground="false" minHeight="14"
	useHandCursor="true" buttonMode="true">

	<s:states>
	<s:State name="normal"/>
	<s:State name="hovered"/>
	<s:State name="selected"/>
	</s:states>
	<s:Label id="labelDisplay"
	fontSize="11"
	typographicCase="lowercaseToSmallCaps"
	fontWeight="normal"
	verticalCenter="0"
	color="#585858"
	color.hovered="#787878"
	color.selected="#383838"
	/>

	<!-- dark background colors -->
	<!--
	color="#BBBBBB"
	color.hovered="#DDDDDD"
	color.selected="#FFFFFF"
	-->

	<!-- light background colors -->
	<!--
	color="#585858"
	color.hovered="#787878"
	color.selected="#383838"
	-->
	</s:ItemRenderer>
	</fx:Component>
	</s:itemRenderer>

	</s:List>

	<s:Label text="No selection"
	fontSize="11"
	verticalAlign="middle"
	height="{list.height}"
	visible="{dataProviderList.length==0}"
	includeInLayout="{dataProviderList.length==0}"
	typographicCase="lowercaseToSmallCaps"/>
	</s:Group>


	</s:Group>