| //////////////////////////////////////////////////////////////////////////////// |
| // |
| // 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 mx.charts.series |
| { |
| |
| import flash.display.DisplayObject; |
| import flash.display.Graphics; |
| import flash.geom.Point; |
| import flash.geom.Rectangle; |
| import flash.utils.Dictionary; |
| |
| import mx.charts.DateTimeAxis; |
| import mx.charts.HitData; |
| import mx.charts.chartClasses.BoundedValue; |
| import mx.charts.chartClasses.CartesianChart; |
| import mx.charts.chartClasses.CartesianTransform; |
| import mx.charts.chartClasses.DataDescription; |
| import mx.charts.chartClasses.GraphicsUtilities; |
| import mx.charts.chartClasses.IAxis; |
| import mx.charts.chartClasses.InstanceCache; |
| import mx.charts.chartClasses.LegendData; |
| import mx.charts.chartClasses.NumericAxis; |
| import mx.charts.chartClasses.Series; |
| import mx.charts.renderers.DiamondItemRenderer; |
| import mx.charts.series.items.PlotSeriesItem; |
| import mx.charts.series.renderData.PlotSeriesRenderData; |
| import mx.charts.styles.HaloDefaults; |
| import mx.collections.CursorBookmark; |
| import mx.core.ClassFactory; |
| import mx.core.IDataRenderer; |
| import mx.core.IFactory; |
| import mx.core.IFlexDisplayObject; |
| import mx.core.IFlexModuleFactory; |
| import mx.core.mx_internal; |
| import mx.graphics.IFill; |
| import mx.graphics.IStroke; |
| import mx.graphics.SolidColor; |
| import mx.styles.CSSStyleDeclaration; |
| import mx.styles.ISimpleStyleClient; |
| |
| use namespace mx_internal; |
| |
| include "../styles/metadata/FillStrokeStyles.as" |
| include "../styles/metadata/ItemRendererStyles.as" |
| |
| /** |
| * Specifies the number of pixels by which radius of the chart item is to be |
| * increased when highlighted or selected. |
| * |
| * @default 2 |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| [Style(name="adjustedRadius", type="Number", format="Length", inherit="yes")] |
| |
| |
| /** |
| * Specifies an Array of fill objects that define the fill for |
| * each item in the series. This takes precedence over the <code>fill</code> style property. |
| * If a custom method is specified by the <code>fillFunction</code> property, that takes precedence over this Array. |
| * If you do not provide enough Array elements for every item, |
| * Flex repeats the fill from the beginning of the Array. |
| * |
| * <p>To set the value of this property using CSS: |
| * <pre> |
| * PlotSeries { |
| * fills:#CC66FF, #9966CC, #9999CC; |
| * } |
| * </pre> |
| * </p> |
| * |
| * <p>To set the value of this property using MXML: |
| * <pre> |
| * <mx:PlotSeries ... > |
| * <mx:fills> |
| * <mx:SolidColor color="0xCC66FF"/> |
| * <mx:SolidColor color="0x9966CC"/> |
| * <mx:SolidColor color="0x9999CC"/> |
| * </mx:fills> |
| * </mx:PlotSeries> |
| * </pre> |
| * </p> |
| * |
| * <p> |
| * If you specify the <code>fills</code> property and you |
| * want to have a Legend control, you must manually create a Legend control and |
| * add LegendItems to it. |
| * </p> |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| [Style(name="fills", type="Array", arrayType="mx.graphics.IFill", inherit="no")] |
| |
| /** |
| * Specifies the radius, in pixels, of the chart element at each data point. |
| * By default, the PlotChart control draws a circle at each data point. |
| * You can set this property in MXML or using styles. |
| * The default value is <code>5</code> pixels. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| [Style(name="radius", type="Number", format="Length", inherit="no")] |
| |
| /** |
| * Defines a data series for a PlotChart control. |
| * The default item renderer for a PlotChart control |
| * is the DiamondItemRenderer class. |
| * Optionally, you can define an item renderer for the data series. |
| * The item renderer must implement the IDataRenderer interface. |
| * |
| * @mxml |
| * |
| * <p>The <code><mx:PlotSeries></code> tag inherits all the properties |
| * of its parent classes, and adds the following properties:</p> |
| * |
| * <pre> |
| * <mx:PlotSeries |
| * <strong>Properties</strong> |
| * fillFunction="<i>Internal fill function</i>" |
| * horizontalAxis="<i>No default</i>" |
| * verticalAxis="<i>No default</i>" |
| * xField="null" |
| * yField="null" |
| * |
| * <strong>Styles</strong> |
| * adjustedRadius="2" |
| * fill="0xFFFFFF" |
| * fills="<i>IFill; no default</i>" |
| * itemRenderer="<i>itemRenderer</i>" |
| * legendMarkerRenderer="<i>Defaults to series's itemRenderer</i>" |
| * radius="5" |
| * stroke="<i>IStroke; no default</i>" |
| * /> |
| * </pre> |
| * </p> |
| * |
| * @see mx.charts.PlotChart |
| * @see mx.charts.renderers.DiamondItemRenderer |
| * |
| * @includeExample ../examples/PlotChartExample.mxml |
| * |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| public class PlotSeries extends Series |
| { |
| include "../../core/Version.as"; |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Class initialization |
| // |
| //-------------------------------------------------------------------------- |
| |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Constructor |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * Constructor. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| public function PlotSeries() |
| { |
| super(); |
| |
| _instanceCache = new InstanceCache(null, this); |
| _instanceCache.creationCallback = applyItemRendererProperties; |
| |
| dataTransform = new CartesianTransform(); |
| } |
| |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Variables |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * @private |
| */ |
| private static var _moduleFactoryInitialized:Dictionary = new Dictionary(true); |
| |
| /** |
| * @private |
| */ |
| private var _instanceCache:InstanceCache; |
| |
| /** |
| * @private |
| */ |
| private var _renderData:PlotSeriesRenderData; |
| |
| /** |
| * @private |
| */ |
| private var _localFills:Array /* of IFill */; |
| |
| |
| /** |
| * @private |
| */ |
| private var _fillCount:Number; |
| |
| /** |
| * @private |
| */ |
| private var _bAxesDirty:Boolean = false; |
| |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Overridden properties |
| // |
| //-------------------------------------------------------------------------- |
| |
| //---------------------------------- |
| // legendData |
| //---------------------------------- |
| |
| /** |
| * @private |
| */ |
| override public function get legendData():Array /* of LegendData */ |
| { |
| if (fillFunction!=defaultFillFunction || _fillCount!=0) |
| { |
| var keyItems:Array /* of LegendData */ = []; |
| return keyItems; |
| } |
| var ld:LegendData = new LegendData(); |
| var marker:IFlexDisplayObject; |
| |
| ld.element = this; |
| var markerFactory:IFactory = getStyle("legendMarkerRenderer"); |
| if (!markerFactory) |
| markerFactory = getStyle("itemRenderer"); |
| if (markerFactory) |
| { |
| marker = markerFactory.newInstance(); |
| if (marker as ISimpleStyleClient) |
| (marker as ISimpleStyleClient).styleName = this; |
| } |
| |
| ld.marker = marker; |
| ld.aspectRatio = 1; |
| ld.label = displayName; |
| |
| return [ ld ]; |
| |
| } |
| |
| //---------------------------------- |
| // renderData |
| //---------------------------------- |
| |
| /** |
| * The subtype of ChartRenderData used by this series |
| * to store all data necessary to render. |
| * Subclasses can override and return a more specialized class |
| * if they need to store additional information for rendering. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| override protected function get renderData():Object |
| { |
| if (!_renderData) |
| { |
| var renderDataType:Class = this.renderDataType; |
| return new renderDataType([], [], 0); |
| } |
| |
| _renderData.radius = getStyle("radius"); |
| return _renderData; |
| } |
| |
| //---------------------------------- |
| // items |
| //---------------------------------- |
| |
| /** |
| * @inheritDoc |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| override public function get items():Array /* of PlotSeriesItem */ |
| { |
| return _renderData ? _renderData.filteredCache : null; |
| } |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Properties |
| // |
| //-------------------------------------------------------------------------- |
| |
| //----------------------------------- |
| // fillFunction |
| //----------------------------------- |
| |
| [Bindable] |
| [Inspectable(category="General")] |
| |
| /** |
| * @private |
| * Storage for fillFunction property |
| */ |
| private var _fillFunction:Function=defaultFillFunction; |
| |
| /** |
| * Specifies a method that returns the fill for the current chart item in the series. |
| * If this property is set, the return value of the custom fill function takes precedence over the |
| * <code>fill</code> and <code>fills</code> style properties. |
| * But if it returns null, then <code>fills</code> and <code>fill</code> will be |
| * prefered in that order. |
| * |
| * <p>The custom <code>fillFunction</code> has the following signature: |
| * |
| * <pre> |
| * <i>function_name</i> (item:ChartItem, index:Number):IFill { ... } |
| * </pre> |
| * |
| * <code>item</code> is a reference to the chart item that is being rendered. |
| * <code>index</code> is the index of the chart item in the renderData's cache. This is different |
| * from the index of the chart's data provider because it is sorted based on the x, y, and z values. |
| * This function returns an object that implements the <code>IFill</code> interface. |
| * </p> |
| * |
| * <p>An example usage of a customized <code>fillFunction</code> is to return a fill |
| * based on some threshold.</p> |
| * |
| * @example |
| * <pre> |
| * public function myFillFunction(item:ChartItem, index:Number):IFill { |
| * var curItem:PlotSeriesItem = PlotSeriesItem(item); |
| * if (curItem.yNumber > 10) |
| * return(new SolidColor(0x123456, .75)); |
| * else |
| * return(new SolidColor(0x563412, .75)); |
| * } |
| * </pre> |
| * |
| * <p> |
| * If you specify a custom fill function for your chart series and you |
| * want to have a Legend control, you must manually create a Legend control and |
| * add LegendItems to it. |
| * </p> |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| public function get fillFunction():Function |
| { |
| return _fillFunction; |
| } |
| |
| /** |
| * @private |
| */ |
| public function set fillFunction(value:Function):void |
| { |
| if (value==_fillFunction) |
| return; |
| |
| if (value != null) |
| _fillFunction = value; |
| |
| else |
| _fillFunction = defaultFillFunction; |
| |
| invalidateDisplayList(); |
| legendDataChanged(); |
| } |
| |
| //---------------------------------- |
| // horizontalAxis |
| //---------------------------------- |
| |
| /** |
| * @private |
| * Storage for the horizontalAxis property. |
| */ |
| private var _horizontalAxis:IAxis; |
| |
| [Inspectable(category="Data")] |
| |
| /** |
| * Defines the labels, tick marks, and data position |
| * for items on the x-axis. |
| * Use either the LinearAxis class or the CategoryAxis class |
| * to set the properties of the horizontalAxis as a child tag in MXML |
| * or create a LinearAxis or CategoryAxis object in ActionScript. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| public function get horizontalAxis():IAxis |
| { |
| return _horizontalAxis; |
| } |
| |
| /** |
| * @private |
| */ |
| public function set horizontalAxis(value:IAxis):void |
| { |
| _horizontalAxis = value; |
| _bAxesDirty = true; |
| |
| invalidateData(); |
| invalidateProperties(); |
| } |
| |
| //---------------------------------- |
| // itemType |
| //---------------------------------- |
| |
| [Inspectable(environment="none")] |
| |
| /** |
| * The subtype of ChartItem used by this series |
| * to represent individual items. |
| * Subclasses can override and return a more specialized class |
| * if they need to store additional information in the items. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| protected function get itemType():Class |
| { |
| return PlotSeriesItem; |
| } |
| |
| //---------------------------------- |
| // renderDataType |
| //---------------------------------- |
| |
| [Inspectable(environment="none")] |
| |
| /** |
| * The subtype of ChartRenderData used by this series to store all data necessary to render. |
| * Subclasses can override and return a more specialized class if they need to store additional information for rendering. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| protected function get renderDataType():Class |
| { |
| return PlotSeriesRenderData; |
| } |
| |
| //---------------------------------- |
| // verticalAxis |
| //---------------------------------- |
| |
| /** |
| * @private |
| * Storage for the verticalAxis property. |
| */ |
| private var _verticalAxis:IAxis; |
| |
| [Inspectable(category="Data")] |
| |
| /** |
| * Defines the labels, tick marks, and data position |
| * for items on the y-axis. |
| * Use either the LinearAxis class or the CategoryAxis class |
| * to set the properties of the verticalAxis as a child tag in MXML |
| * or create a LinearAxis or CategoryAxis object in ActionScript. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| public function get verticalAxis():IAxis |
| { |
| return _verticalAxis; |
| } |
| |
| /** |
| * @private |
| */ |
| public function set verticalAxis(value:IAxis):void |
| { |
| _verticalAxis = value; |
| _bAxesDirty = true; |
| |
| invalidateData(); |
| //invalidateChildOrder(); |
| invalidateProperties(); |
| } |
| |
| //---------------------------------- |
| // xField |
| //---------------------------------- |
| |
| /** |
| * @private |
| * Storage for the xField property. |
| */ |
| private var _xField:String = ""; |
| |
| [Inspectable(category="General")] |
| |
| /** |
| * Specifies the field of the data provider |
| * that determines the x-axis location of each data point. |
| * If <code>null</code>, Flex renders the data points |
| * in the order they appear in the dataProvider. |
| * |
| * @default null |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| public function get xField():String |
| { |
| return _xField; |
| } |
| |
| /** |
| * @private |
| */ |
| public function set xField(value:String):void |
| { |
| _xField = value; |
| |
| dataChanged(); |
| } |
| |
| //---------------------------------- |
| // yField |
| //---------------------------------- |
| |
| /** |
| * @private |
| * Storage for the yField property. |
| */ |
| private var _yField:String = ""; |
| |
| [Inspectable(category="General")] |
| |
| /** |
| * Specifies the field of the data provider |
| * that determines the y-axis location of each data point. |
| * If <code>null</code>, the PlotSeries assumes the data provider |
| * is an Array of numbers, and uses the numbers as values. |
| * |
| * @default null |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| public function get yField():String |
| { |
| return _yField; |
| } |
| |
| /** |
| * @private |
| */ |
| public function set yField(value:String):void |
| { |
| _yField = value; |
| |
| dataChanged(); |
| } |
| |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Overridden methods: UIComponent |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * @private |
| */ |
| private function initStyles():Boolean |
| { |
| HaloDefaults.init(styleManager); |
| |
| var plotSeriesStyle:CSSStyleDeclaration = HaloDefaults.findStyleDeclaration(styleManager, "mx.charts.series.PlotSeries"); |
| if (plotSeriesStyle) |
| { |
| plotSeriesStyle.setStyle("itemRenderer", new ClassFactory(mx.charts.renderers.DiamondItemRenderer)); |
| plotSeriesStyle.setStyle("fill", new SolidColor(0x4444AA)); |
| plotSeriesStyle.setStyle("fills", []); |
| } |
| return true; |
| } |
| |
| |
| /** |
| * @inheritDoc |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| override public function set moduleFactory(factory:IFlexModuleFactory):void |
| { |
| super.moduleFactory = factory; |
| |
| if (_moduleFactoryInitialized[factory]) |
| return; |
| |
| _moduleFactoryInitialized[factory] = true; |
| |
| // our style settings |
| initStyles(); |
| } |
| |
| /** |
| * @inheritDoc |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| override protected function commitProperties():void |
| { |
| super.commitProperties(); |
| |
| if (dataTransform) |
| { |
| if (_horizontalAxis) |
| { |
| _horizontalAxis.chartDataProvider = dataProvider; |
| CartesianTransform(dataTransform).setAxis( |
| CartesianTransform.HORIZONTAL_AXIS,_horizontalAxis); |
| } |
| |
| if (_verticalAxis) |
| { |
| _verticalAxis.chartDataProvider = dataProvider; |
| CartesianTransform(dataTransform).setAxis( |
| CartesianTransform.VERTICAL_AXIS, _verticalAxis); |
| } |
| } |
| |
| var c:CartesianChart = CartesianChart(chart); |
| if (c) |
| { |
| if (!_horizontalAxis) |
| { |
| if (dataTransform.axes[CartesianTransform.HORIZONTAL_AXIS] != c.horizontalAxis) |
| CartesianTransform(dataTransform).setAxis( |
| CartesianTransform.HORIZONTAL_AXIS,c.horizontalAxis); |
| } |
| |
| if (!_verticalAxis) |
| { |
| if (dataTransform.axes[CartesianTransform.VERTICAL_AXIS] != c.verticalAxis) |
| CartesianTransform(dataTransform).setAxis( |
| CartesianTransform.VERTICAL_AXIS, c.verticalAxis); |
| } |
| } |
| dataTransform.elements = [this]; |
| } |
| |
| /** |
| * @private |
| */ |
| override protected function updateDisplayList(unscaledWidth:Number, |
| unscaledHeight:Number):void |
| { |
| super.updateDisplayList(unscaledWidth, unscaledHeight); |
| |
| var g:Graphics = graphics; |
| g.clear(); |
| |
| var renderData:PlotSeriesRenderData = |
| transitionRenderData ? |
| PlotSeriesRenderData(transitionRenderData) : |
| _renderData; |
| if (!renderData) |
| return; |
| |
| var renderCache:Array /* of PlotSeriesItem */ = renderData.filteredCache; |
| |
| var sampleCount:int = renderCache.length; |
| var i:int; |
| var instances:Array /* of IFlexDisplayObject */; |
| var inst:IFlexDisplayObject; |
| var rc:Rectangle; |
| var v:PlotSeriesItem; |
| |
| _instanceCache.factory = getStyle("itemRenderer"); |
| _instanceCache.count = sampleCount; |
| instances = _instanceCache.instances; |
| |
| var bSetData:Boolean = |
| (sampleCount > 0 && (instances[0] is IDataRenderer)); |
| |
| if (renderData == transitionRenderData && |
| transitionRenderData.elementBounds) |
| { |
| var elementBounds:Array /* of Rectangle */ = renderData.elementBounds; |
| |
| for (i = 0; i < sampleCount; i++) |
| { |
| inst = instances[i]; |
| v = renderCache[i]; |
| v.itemRenderer = inst; |
| v.fill = fillFunction(v,i); |
| if (!(v.fill)) |
| v.fill = defaultFillFunction(v,i); |
| if ((v.itemRenderer as Object).hasOwnProperty('invalidateDisplayList')) |
| (v.itemRenderer as Object).invalidateDisplayList(); |
| if (bSetData) |
| (inst as IDataRenderer).data = v; |
| rc = elementBounds[i]; |
| inst.move(rc.left, rc.top); |
| inst.setActualSize(rc.width, rc.height); |
| } |
| } |
| else |
| { |
| var radius:Number = getStyle("radius"); |
| |
| for (i = 0; i < sampleCount; i++) |
| { |
| v = renderCache[i]; |
| inst = instances[i]; |
| v.itemRenderer = inst; |
| v.fill = fillFunction(v,i); |
| if (!(v.fill)) |
| v.fill = defaultFillFunction(v,i); |
| if ((v.itemRenderer as Object).hasOwnProperty('invalidateDisplayList')) |
| (v.itemRenderer as Object).invalidateDisplayList(); |
| if (bSetData) |
| (inst as IDataRenderer).data = v; |
| inst.move(v.x - radius, v.y - radius); |
| inst.setActualSize(2 * radius, 2 * radius); |
| } |
| if (chart && allSeriesTransform && chart.chartState == 0) |
| chart.updateAllDataTips(); |
| } |
| } |
| |
| /** |
| * @private |
| */ |
| override public function stylesInitialized():void |
| { |
| _localFills = getStyle('fills'); |
| if (_localFills != null) |
| _fillCount = _localFills.length; |
| else |
| _fillCount = 0; |
| super.stylesInitialized(); |
| } |
| |
| |
| /** |
| * @private |
| */ |
| override public function styleChanged(styleProp:String):void |
| { |
| super.styleChanged(styleProp); |
| var styles:String = "fills" |
| if (styles.indexOf(styleProp)!=-1) |
| { |
| _localFills = getStyle('fills'); |
| if (_localFills != null) |
| _fillCount = _localFills.length; |
| else |
| _fillCount = 0; |
| } |
| if (styleProp == "itemRenderer") |
| { |
| _instanceCache.remove = true; |
| _instanceCache.discard = true; |
| _instanceCache.count = 0; |
| _instanceCache.discard = false; |
| _instanceCache.remove = false; |
| } |
| |
| invalidateDisplayList(); |
| legendDataChanged(); |
| invalidateData(); |
| } |
| |
| /** |
| * @private |
| */ |
| override public function describeData(dimension:String, |
| requiredFields:uint):Array /* of DataDescription */ |
| { |
| validateData(); |
| |
| var desc:DataDescription = new DataDescription(); |
| var cache:Array /* of PlotSeriesItem */ = _renderData.cache; |
| var radius:Number = getStyle("radius"); |
| |
| if (dimension == CartesianTransform.VERTICAL_AXIS) |
| { |
| if ((requiredFields & DataDescription.REQUIRED_MIN_INTERVAL) != 0) |
| { |
| cache = cache.concat(); |
| cache.sortOn("yNumber",Array.NUMERIC); |
| } |
| extractMinMax(cache, "yNumber", desc, (requiredFields & DataDescription.REQUIRED_MIN_INTERVAL) != 0); |
| if ((requiredFields & DataDescription.REQUIRED_BOUNDED_VALUES) != 0) |
| { |
| desc.boundedValues= []; |
| desc.boundedValues.push(new BoundedValue(desc.max,0,radius)); |
| desc.boundedValues.push(new BoundedValue(desc.min,radius,0)); |
| } |
| } |
| else if (dimension == CartesianTransform.HORIZONTAL_AXIS) |
| { |
| if ((requiredFields & DataDescription.REQUIRED_MIN_INTERVAL) != 0) |
| { |
| cache = cache.concat(); |
| cache.sortOn("xNumber",Array.NUMERIC); |
| } |
| extractMinMax(cache, "xNumber", desc, (requiredFields & DataDescription.REQUIRED_MIN_INTERVAL) != 0); |
| if ((requiredFields & DataDescription.REQUIRED_BOUNDED_VALUES) != 0) |
| { |
| desc.boundedValues= []; |
| desc.boundedValues.push(new BoundedValue(desc.max,0,radius)); |
| desc.boundedValues.push(new BoundedValue(desc.min,radius,0)); |
| } |
| } |
| else |
| { |
| return []; |
| } |
| |
| return [ desc ]; |
| } |
| |
| /** |
| * @private |
| */ |
| override public function getAllDataPoints():Array /* of HitData */ |
| { |
| if (!_renderData) |
| return []; |
| if (!(_renderData.filteredCache)) |
| return []; |
| |
| var itemArr:Array /* of PlotSeriesItem */ = []; |
| if (chart && chart.dataTipItemsSet && dataTipItems) |
| itemArr = dataTipItems; |
| else if (chart && chart.showAllDataTips && _renderData.filteredCache) |
| itemArr = _renderData.filteredCache; |
| else |
| itemArr = []; |
| |
| var n:uint = itemArr.length; |
| var i:uint; |
| var result:Array /* of HitData */ = []; |
| |
| for (i = 0; i < n; i++) |
| { |
| var v:PlotSeriesItem = itemArr[i]; |
| if (_renderData.filteredCache.indexOf(v) == -1) |
| { |
| var itemExists:Boolean = false; |
| var m:int = _renderData.filteredCache.length; |
| for (var j:int = 0; j < m; j++) |
| { |
| if (v.item == _renderData.filteredCache[j].item) |
| { |
| v = _renderData.filteredCache[j]; |
| itemExists = true; |
| break; |
| } |
| } |
| if (!itemExists) |
| continue; |
| } |
| if (v) |
| { |
| var hd:HitData = new HitData(createDataID(v.index), |
| Math.sqrt(0), |
| v.x, v.y, v); |
| hd.dataTipFunction = formatDataTip; |
| var fill:IFill = PlotSeriesItem(hd.chartItem).fill; |
| hd.contextColor = GraphicsUtilities.colorFromFill(fill); |
| result.push(hd); |
| } |
| } |
| return result; |
| } |
| |
| /** |
| * @private |
| */ |
| override public function findDataPoints(x:Number, y:Number, |
| sensitivity:Number):Array /* of HitData */ |
| { |
| // esg, 8/7/06: if your mouse is over a series when it gets added and displayed for the first time, this can get called |
| // before updateData, and before and render data is constructed. The right long term fix is to make sure a stubbed out |
| // render data is _always_ present, but that's a little disruptive right now. |
| if (interactive == false || !_renderData) |
| return []; |
| |
| var radius:Number = getStyle("radius"); |
| var minDist2:Number = radius + sensitivity; |
| minDist2 *= minDist2; |
| var minItems:Array /* of PlotSeriesItem */ = []; |
| var pr2:Number = radius * radius; |
| |
| var n:int = _renderData.filteredCache.length; |
| var i:int; |
| |
| for (i = n - 1; i >= 0; i--) |
| { |
| var v:Object= _renderData.filteredCache[i]; |
| var dist:Number = (v.x - x) * (v.x - x) + (v.y - y) * (v.y - y); |
| if (dist <= minDist2) |
| minItems.push(v); |
| } |
| |
| n = minItems.length; |
| for (i = 0; i < n; i++) |
| { |
| var item:PlotSeriesItem = minItems[i]; |
| var hd:HitData = new HitData(createDataID(item.index), |
| Math.sqrt(minDist2), |
| item.x, item.y, item); |
| hd.dataTipFunction = formatDataTip; |
| var fill:IFill = PlotSeriesItem(hd.chartItem).fill; |
| hd.contextColor = GraphicsUtilities.colorFromFill(fill); |
| minItems[i] = hd; |
| } |
| |
| return minItems; |
| } |
| |
| /** |
| * @private |
| */ |
| override public function dataToLocal(... dataValues):Point |
| { |
| var data:Object = {}; |
| var da:Array /* of Object */ = [ data ]; |
| var n:int = dataValues.length; |
| |
| if (n > 0) |
| { |
| data["d0"] = dataValues[0]; |
| dataTransform.getAxis(CartesianTransform.HORIZONTAL_AXIS). |
| mapCache(da, "d0", "v0"); |
| } |
| |
| if (n > 1) |
| { |
| data["d1"] = dataValues[1]; |
| dataTransform.getAxis(CartesianTransform.VERTICAL_AXIS). |
| mapCache(da, "d1", "v1"); |
| } |
| |
| dataTransform.transformCache(da,"v0","s0","v1","s1"); |
| |
| return new Point(data.s0 + this.x, |
| data.s1 + this.y); |
| } |
| |
| /** |
| * @private |
| */ |
| override public function localToData(v:Point):Array /* of Object */ |
| { |
| var values:Array /* of Object */ = dataTransform.invertTransform( |
| v.x - this.x, |
| v.y - this.y); |
| return values; |
| } |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Overridden methods: Series |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * @private |
| */ |
| override protected function updateData():void |
| { |
| var renderDataType:Class = this.renderDataType; |
| _renderData = new renderDataType(); |
| |
| _renderData.cache = []; |
| var i:int = 0; |
| var itemType:Class = this.itemType; |
| if (cursor) |
| { |
| cursor.seek(CursorBookmark.FIRST); |
| while (!cursor.afterLast) |
| { |
| _renderData.cache[i] = new itemType(this, cursor.current, i); |
| i++; |
| cursor.moveNext(); |
| } |
| } |
| |
| cacheIndexValues(_xField, _renderData.cache, "xValue"); |
| cacheDefaultValues(_yField, _renderData.cache, "yValue"); |
| |
| if(dataTransform && dataTransform.getAxis(CartesianTransform.VERTICAL_AXIS) is NumericAxis && |
| !(dataTransform.getAxis(CartesianTransform.VERTICAL_AXIS) is DateTimeAxis) && |
| (dataTransform.getAxis(CartesianTransform.VERTICAL_AXIS) as NumericAxis).direction == "inverted") |
| _renderData.cache = reverseYValues(_renderData.cache); |
| if(dataTransform && dataTransform.getAxis(CartesianTransform.HORIZONTAL_AXIS) is NumericAxis && |
| !(dataTransform.getAxis(CartesianTransform.HORIZONTAL_AXIS) is DateTimeAxis) && |
| (dataTransform.getAxis(CartesianTransform.HORIZONTAL_AXIS) as NumericAxis).direction == "inverted") |
| _renderData.cache = reverseXValues(_renderData.cache); |
| |
| super.updateData(); |
| |
| var radius:Number = getStyle("radius"); |
| |
| var n:int = _renderData.cache.length; |
| for (i = 0; i < n; i++) |
| { |
| _renderData.cache[i].radius = radius; |
| } |
| } |
| |
| /** |
| * @private |
| */ |
| override protected function updateMapping():void |
| { |
| dataTransform.getAxis(CartesianTransform.HORIZONTAL_AXIS).mapCache( |
| _renderData.cache, "xValue", "xNumber", (_xField == "")); |
| dataTransform.getAxis(CartesianTransform.VERTICAL_AXIS).mapCache( |
| _renderData.cache, "yValue", "yNumber"); |
| |
| super.updateMapping(); |
| } |
| |
| /** |
| * @private |
| */ |
| override protected function updateFilter():void |
| { |
| _renderData.filteredCache = filterFunction(_renderData.cache); |
| super.updateFilter(); |
| } |
| |
| /** |
| * @private |
| */ |
| override protected function updateTransform():void |
| { |
| dataTransform.transformCache( |
| _renderData.filteredCache, "xNumber", "x", "yNumber", "y"); |
| |
| super.updateTransform(); |
| allSeriesTransform = true; |
| |
| if (chart && chart is CartesianChart) |
| { |
| var cChart:CartesianChart = CartesianChart(chart); |
| var n:int = cChart.series.length; |
| |
| for (var i:int = 0; i < n; i++) |
| { |
| if (cChart.getSeriesTransformState(cChart.series[i])) |
| allSeriesTransform = false; |
| } |
| |
| if (allSeriesTransform) |
| cChart.measureLabels(); |
| } |
| } |
| |
| /** |
| * @private |
| */ |
| override public function getElementBounds(renderData:Object):void |
| { |
| var cache:Array /* of PlotSeriesItem */ = renderData.cache; |
| var rb:Array /* of Rectangle */ = []; |
| var sampleCount:int = cache.length; |
| |
| if (sampleCount) |
| { |
| var radius:Number = renderData.radius; |
| var v:Object = cache[0]; |
| var maxBounds:Rectangle = new Rectangle(v.x, v.x, 0, 0); |
| |
| for (var i:int = 0; i < sampleCount; i++) |
| { |
| v = cache[i]; |
| |
| var b:Rectangle = new Rectangle(v.x - radius, v.y - radius, |
| 2 * radius, 2 * radius); |
| |
| maxBounds.left = Math.min(maxBounds.left, b.left); |
| maxBounds.top = Math.min(maxBounds.top, b.top); |
| maxBounds.right = Math.max(maxBounds.right, b.right); |
| maxBounds.bottom = Math.max(maxBounds.bottom, b.bottom); |
| |
| rb[i] = b; |
| } |
| } |
| else |
| { |
| maxBounds = new Rectangle(); |
| } |
| |
| renderData.elementBounds = rb; |
| renderData.bounds = maxBounds; |
| } |
| |
| /** |
| * @private |
| */ |
| override public function beginInterpolation(sourceRenderData:Object, |
| destRenderData:Object):Object |
| { |
| var idata:Object = initializeInterpolationData( |
| sourceRenderData.cache, destRenderData.cache, |
| { x: true, y: true }, itemType); |
| |
| var interpolationRenderData:PlotSeriesRenderData = |
| PlotSeriesRenderData(destRenderData.clone()); |
| |
| interpolationRenderData.cache = idata.cache; |
| interpolationRenderData.filteredCache = idata.cache; |
| |
| transitionRenderData = interpolationRenderData; |
| return idata; |
| } |
| |
| /** |
| * @private |
| */ |
| override protected function getMissingInterpolationValues( |
| sourceProps:Object, srcCache:Array /* of PlotSeriesItem */, |
| destProps:Object, destCache:Array /* of PlotSeriesItem */, |
| index:Number, customData:Object):void |
| { |
| for (var p:String in sourceProps) |
| { |
| var src:Number = sourceProps[p]; |
| var dst:Number = destProps[p]; |
| |
| if (p == "x" || p == "y") |
| { |
| if (isNaN(src)) |
| src = dst; |
| if (isNaN(dst)) |
| dst = src; |
| } |
| |
| sourceProps[p] = src; |
| destProps[p] = dst; |
| } |
| } |
| |
| /** |
| * @private |
| */ |
| override public function getItemsInRegion(r:Rectangle):Array /* of PlotSeriesItem */ |
| { |
| if (interactive == false || !_renderData) |
| return []; |
| |
| var arrItems:Array /* of PlotSeriesItem */ = []; |
| var localRectangle:Rectangle = new Rectangle(); |
| var n:uint = _renderData.filteredCache.length; |
| |
| localRectangle.topLeft = globalToLocal(r.topLeft); |
| localRectangle.bottomRight = globalToLocal(r.bottomRight); |
| |
| for (var i:int = 0; i < n; i++) |
| { |
| var v:PlotSeriesItem = _renderData.filteredCache[i]; |
| |
| if (localRectangle.contains(v.x,v.y)) |
| arrItems.push(v); |
| } |
| return arrItems; |
| } |
| |
| |
| /** |
| * @private |
| */ |
| override protected function defaultFilterFunction(cache:Array /*of PlotSeriesItem */ ):Array /*of PlotSeriesItem*/ |
| { |
| var filteredCache:Array /*of PlotSeriesItem*/ = []; |
| if (filterDataValues == "outsideRange") |
| { |
| filteredCache = cache.concat(); |
| |
| dataTransform.getAxis(CartesianTransform.HORIZONTAL_AXIS).filterCache( |
| filteredCache, "xNumber", "xFilter"); |
| dataTransform.getAxis(CartesianTransform.VERTICAL_AXIS).filterCache( |
| filteredCache, "yNumber", "yFilter"); |
| |
| stripNaNs(filteredCache, "yFilter"); |
| stripNaNs(filteredCache, "xFilter"); |
| |
| } |
| else if (filterDataValues == "nulls") |
| { |
| filteredCache = cache.concat(); |
| |
| stripNaNs(filteredCache,"yNumber"); |
| stripNaNs(filteredCache,"xNumber"); |
| } |
| else if (filterDataValues == "none") |
| { |
| filteredCache = cache; |
| } |
| return filteredCache; |
| } |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Methods |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * @private |
| */ |
| private function defaultFillFunction(element:PlotSeriesItem,i:Number):IFill |
| { |
| if (_fillCount!=0) |
| { |
| return(GraphicsUtilities.fillFromStyle(_localFills[i % _fillCount])); |
| } |
| else |
| return(GraphicsUtilities.fillFromStyle(getStyle("fill"))); |
| } |
| |
| /** |
| * Customizes the item renderer instances that are used to represent the chart. This method is called automatically |
| * whenever a new item renderer is needed while the chart is being rendered. You can override this method to add your own customization as necessary. |
| * @param instance The new item renderer instance that is being created. |
| * @param cache The InstanceCache that is used to manage the item renderer instances. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| protected function applyItemRendererProperties(instance:DisplayObject, |
| cache:InstanceCache):void |
| { |
| if (instance is ISimpleStyleClient) |
| ISimpleStyleClient(instance).styleName = this; |
| } |
| |
| /** |
| * @private |
| */ |
| private function formatDataTip(hd:HitData):String |
| { |
| var dt:String = ""; |
| var n:String = displayName; |
| if (n && n != "") |
| dt += "<b>" + n + "</b><BR/>"; |
| |
| var xName:String = dataTransform.getAxis(CartesianTransform.HORIZONTAL_AXIS).displayName; |
| if (xName != "") |
| dt += "<i>" + xName+ ":</i> "; |
| dt += dataTransform.getAxis(CartesianTransform.HORIZONTAL_AXIS).formatForScreen( |
| PlotSeriesItem(hd.chartItem).xValue) + "\n"; |
| |
| var yName:String = dataTransform.getAxis(CartesianTransform.VERTICAL_AXIS).displayName; |
| if (yName != "") |
| dt += "<i>" + yName + ":</i> "; |
| dt += dataTransform.getAxis(CartesianTransform.VERTICAL_AXIS).formatForScreen( |
| PlotSeriesItem(hd.chartItem).yValue) + "\n"; |
| |
| return dt; |
| } |
| |
| private function reverseYValues(cache:Array):Array |
| { |
| var i:int = 0; |
| var n:int = cache.length; |
| for(i = 0; i < n ; i++) |
| { |
| cache[i]["yValue"] = -(cache[i]["yValue"]); |
| } |
| return cache; |
| } |
| |
| private function reverseXValues(cache:Array):Array |
| { |
| var i:int = 0; |
| var n:int = cache.length; |
| for(i = 0; i < n ; i++) |
| { |
| cache[i]["xValue"] = -(cache[i]["xValue"]); |
| } |
| return cache; |
| } |
| } |
| |
| } |
