Radii8Library/src/com/flexcapacitor/views/ZoomInspector.mxml

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

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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
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<s:Group xmlns:controls="com.flexcapacitor.graphics.*"
		 xmlns:fx="http://ns.adobe.com/mxml/2009"
		 xmlns:s="library://ns.adobe.com/flex/spark"
		 xmlns:filters="com.flexcapacitor.filters.*"
		 xmlns:c="com.flexcapacitor.controls.*"
		 
		 creationComplete="group1_creationCompleteHandler(event)"
		 >

	<fx:Script>
		<![CDATA[
			import com.flexcapacitor.controller.Radiate;
			import com.flexcapacitor.events.RadiateEvent;
			import com.flexcapacitor.tools.ITool;
			import com.flexcapacitor.tools.Zoom;
			import com.flexcapacitor.utils.supportClasses.ComponentDescription;
			
			
			import mx.events.FlexEvent;
			
			import spark.events.IndexChangeEvent;
			
			public var radiate:Radiate;
			
			public var zoomTool:Zoom;
			
			public var toolDescription:ComponentDescription;
			
			/**
			 * Shows the show actual size button
			 * */
			[Bindable]
			public var showActualSize:Boolean = true;
			
			protected function group1_creationCompleteHandler(event:FlexEvent):void {
				radiate = Radiate.getInstance();
				
				radiate.addEventListener(RadiateEvent.SCALE_CHANGE, scaleChangedHandler, false, 0, true);
				radiate.addEventListener(RadiateEvent.DOCUMENT_CHANGE, documentChangeHandler, false, 0, true);
				
				toolDescription = radiate.getToolByType(Zoom);
				
				zoomTool = toolDescription.instance as Zoom;
				
				
				// temp to get reference
				//if (!tool) tool = new Zoom();
				
				updateTool(zoomTool);
			}
			
			/**
			 * Update UI components to tool value
			 * */
			public function updateTool(tool:ITool):void {
				var zoomValue:Number;
				zoomValue = zoomTool.getScale();
					
				updateZoomInComboBox(zoomValue);
			}
			
			/**
			 * Zoom combo box change handler. Update zoom level. 
			 * */
			protected function zoomComboBox_changeHandler(event:IndexChangeEvent):void {
				
				zoomTool.setScale(parseInt(zoomComboBox.selectedItem)/100);
			}
			
			/**
			 * 
			 * */
			protected function actualSize_clickHandler(event:MouseEvent):void {
				
				if (zoomTool) {
					zoomTool.restoreDefaultScale();
					zoomComboBox.selectedItem = "100%";
				}
			}
			
			/**
			 * Scale changed
			 * */
			protected function scaleChangedHandler(event:RadiateEvent):void {
				var zoomValue:Number;
				var zoomString:String;
				
				zoomValue = zoomTool.getScale();
				
				updateZoomInComboBox(zoomValue);
			}
			
			/**
			 * Format zoom value nicely.
			 * */
			public function updateZoomInComboBox(zoomValue:Number):void {
				var zoomString:String;
				
				if (!isNaN(zoomValue)) {
					
					if (String(zoomValue*100).indexOf(".")!=-1) {
						zoomString = Number(zoomValue*100).toFixed(1) + "%";
					}
					else {
						zoomString = Number(zoomValue*100) + "%";
					}
					
					if (zoomValue==1) {
						zoomComboBox.selectedItem = "100%";
					}
					else {
						zoomComboBox.selectedItem = zoomString;
					}
				}
			}
			
			/**
			 * Document changed
			 * */
			protected function documentChangeHandler(event:RadiateEvent):void {
				// since we use this independently of the tool being selected we need to make sure
				// the target application is set
				// we'll move this later
				var zoomValue:Number = zoomTool.getScale();
				
				updateZoomInComboBox(zoomValue);
			}
			
			/**
			 * Restore to 100%
			 * */
			protected function zoomComboBox_doubleClickHandler(event:MouseEvent):void {
				
				if (zoomTool) {
					zoomTool.restoreDefaultScale();
					zoomComboBox.selectedItem = "100%";
				}
			}
			
		]]>
	</fx:Script>

	<s:layout>
		<s:HorizontalLayout paddingLeft="4" />
	</s:layout>
	
	<!--<s:CheckBox label="Scrub Zoom" />-->
	<c:ImageButton id="actualSizeButton" 
			   visible="{showActualSize}"
			   includeInLayout="{showActualSize}"
			   source="{Radii8LibraryAssets.actualSize}" 
			   toolTip="Actual"
			   click="actualSize_clickHandler(event)"
			   height="100%"
			   />
	
	<!--<s:Button id="fitSize" label="Fit Size"
			  visible="{showActualSize}"
			  includeInLayout="{showActualSize}"
			  click="actualSize_clickHandler(event)"/>-->
	
	<s:ComboBox id="zoomComboBox" 
				width="80" 
				height="100%"
				focusAlpha="0" 
				selectedIndex="8"
				change="zoomComboBox_changeHandler(event)"
				openOnInput="true" arrowKeysWrapFocus="true"
				doubleClickEnabled="true"
				doubleClick="zoomComboBox_doubleClickHandler(event)"
				>
        <s:layout>
            <s:VerticalLayout gap="0"
                    horizontalAlign="contentJustify"
                    requestedRowCount="10" />
        </s:layout>
		<s:dataProvider>
			<s:ArrayList>
				<fx:String>600%</fx:String>
				<fx:String>500%</fx:String>
				<fx:String>400%</fx:String>
				<fx:String>300%</fx:String>
				<fx:String>200%</fx:String>
				<fx:String>175%</fx:String>
				<fx:String>150%</fx:String>
				<fx:String>125%</fx:String>
				<fx:String>100%</fx:String>
				<fx:String>75%</fx:String>
				<fx:String>50%</fx:String>
				<fx:String>25%</fx:String>
				<fx:String>10%</fx:String>
			</s:ArrayList>
		</s:dataProvider>
	</s:ComboBox>

</s:Group>