| //////////////////////////////////////////////////////////////////////////////// |
| // |
| // 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.skins.halo |
| { |
| |
| import flash.display.GradientType; |
| import flash.display.Graphics; |
| import mx.skins.Border; |
| import mx.styles.StyleManager; |
| import mx.utils.ColorUtil; |
| |
| /** |
| * The skin for all the states of a thumb in a Slider. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| public class SliderThumbSkin extends Border |
| { |
| include "../../core/Version.as"; |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Class variables |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * @private |
| */ |
| private static var cache:Object = {}; |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Class methods |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * @private |
| * Several colors used for drawing are calculated from the base colors |
| * of the component (themeColor, borderColor and fillColors). |
| * Since these calculations can be a bit expensive, |
| * we calculate once per color set and cache the results. |
| */ |
| private static function calcDerivedStyles(themeColor:uint, |
| borderColor:uint, |
| fillColor0:uint, |
| fillColor1:uint):Object |
| { |
| var key:String = HaloColors.getCacheKey(themeColor, borderColor, |
| fillColor0, fillColor1); |
| |
| if (!cache[key]) |
| { |
| var o:Object = cache[key] = {}; |
| |
| // Cross-Component styles. |
| HaloColors.addHaloColors(o, themeColor, fillColor0, fillColor1); |
| |
| // SliderThumb-unique styles. |
| o.borderColorDrk1 = ColorUtil.adjustBrightness2(borderColor, -50); |
| } |
| |
| return cache[key]; |
| } |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Constructor |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * Constructor. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| public function SliderThumbSkin() |
| { |
| super(); |
| } |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Overridden properties |
| // |
| //-------------------------------------------------------------------------- |
| |
| //---------------------------------- |
| // measuredWidth |
| //---------------------------------- |
| |
| /** |
| * @private |
| */ |
| override public function get measuredWidth():Number |
| { |
| return 12; |
| } |
| |
| //---------------------------------- |
| // measuredHeight |
| //---------------------------------- |
| |
| /** |
| * @private |
| */ |
| override public function get measuredHeight():Number |
| { |
| return 12; |
| } |
| |
| /** |
| * For internal use. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| protected function drawThumbState(w:Number, h:Number, borderColors:Array, fillColors:Array, fillAlphas:Array, drawBacking:Boolean, drillHole:Boolean):void |
| { |
| var g:Graphics = graphics; |
| |
| var down:Boolean = getStyle("invertThumbDirection"); |
| |
| var h0:Number = down ? h : 0; |
| var h1:Number = down ? h - 1 : 1; |
| var h2:Number = down ? h - 2 : 2; |
| var hhm2:Number = down ? 2 : h - 2; |
| var hhm1:Number = down ? 1 : h - 1; |
| var hh:Number = down ? 0 : h; |
| |
| // if we are inverting, then swap the direction of the colors |
| if (down) |
| { |
| borderColors = [borderColors[1], borderColors[0]]; |
| fillColors = [fillColors[1], fillColors[0]]; |
| fillAlphas = [fillAlphas[1], fillAlphas[0]]; |
| } |
| |
| // backing - for opacity |
| if (drawBacking) |
| { |
| g.beginGradientFill(GradientType.LINEAR, |
| [ 0xFFFFFF, 0xFFFFFF ], |
| [ 0.6, 0.6 ], |
| [ 0, 0xFF ], |
| verticalGradientMatrix(0, 0, w, h)); |
| g.moveTo(w / 2, h0); |
| g.curveTo(w / 2, h0, w / 2 - 2, h2); |
| g.lineTo(0, hhm2); |
| g.curveTo(0, hhm2, 2, hh); |
| g.lineTo(w - 2, hh); |
| g.curveTo(w - 2, hh, w, hhm2); |
| g.lineTo(w / 2 + 2, h2); |
| g.curveTo(w / 2 + 2, h2, w / 2, h0); |
| g.endFill(); |
| } |
| |
| // border |
| g.beginGradientFill(GradientType.LINEAR, |
| borderColors, |
| [ 1.0, 1.0 ], |
| [ 0, 0xFF ], |
| verticalGradientMatrix(0, 0, w, h)); |
| g.moveTo(w / 2, h0); |
| g.curveTo(w / 2, h0, w / 2 - 2, h2); |
| g.lineTo(0, hhm2); |
| g.curveTo(0, hhm2, 2, hh); |
| g.lineTo(w - 2, hh); |
| g.curveTo(w - 2, hh, w, hhm2); |
| g.lineTo(w / 2 + 2, h2); |
| g.curveTo(w / 2 + 2, h2, w / 2, h0); |
| |
| if (drillHole) |
| { |
| // drillhole |
| g.moveTo(w / 2, h1); |
| g.curveTo(w / 2, h0, w / 2 - 1, h2); |
| g.lineTo(1, hhm1); |
| g.curveTo(1, hhm1, 1, hhm1); |
| g.lineTo(w - 1, hhm1); |
| g.curveTo(w - 1, hhm1, w - 1, hhm2); |
| g.lineTo(w / 2 + 1, h2); |
| g.curveTo(w / 2 + 1, h2, w / 2, h1); |
| g.endFill(); |
| } |
| |
| // fill |
| g.beginGradientFill(GradientType.LINEAR, |
| fillColors, |
| fillAlphas, |
| [ 0, 0xFF ], |
| verticalGradientMatrix(0, 0, w, h)); |
| g.moveTo(w / 2, h1); |
| g.curveTo(w / 2, h0, w/2 - 1, h2); |
| g.lineTo(1, hhm1); |
| g.curveTo(1, hhm1, 1, hhm1); |
| g.lineTo(w - 1, hhm1); |
| g.curveTo(w - 1, hhm1, w - 1, hhm2); |
| g.lineTo(w / 2 + 1, h2); |
| g.curveTo(w / 2 + 1, h2, w / 2, h1); |
| g.endFill(); |
| } |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Overridden methods |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * @private |
| */ |
| override protected function updateDisplayList(w:Number, h:Number):void |
| { |
| super.updateDisplayList(w, h); |
| |
| // User-defined styles. |
| var borderColor:uint = getStyle("borderColor"); |
| var fillAlphas:Array = getStyle("fillAlphas"); |
| var fillColors:Array = getStyle("fillColors"); |
| styleManager.getColorNames(fillColors); |
| var themeColor:uint = getStyle("themeColor"); |
| |
| // Derivative styles. |
| var derStyles:Object = calcDerivedStyles(themeColor, borderColor, |
| fillColors[0], fillColors[1]); |
| |
| var g:Graphics = graphics; |
| |
| g.clear(); |
| |
| switch (name) |
| { |
| case "thumbUpSkin": |
| { |
| drawThumbState(w, h, |
| [ borderColor, derStyles.borderColorDrk1 ], |
| [ fillColors[0], fillColors[1] ], |
| [ fillAlphas[0], fillAlphas[1] ], |
| true, |
| true); |
| break; |
| } |
| |
| case "thumbOverSkin": |
| { |
| var overFillColors:Array; |
| if (fillColors.length > 2) |
| overFillColors = [ fillColors[2], fillColors[3] ]; |
| else |
| overFillColors = [ fillColors[0], fillColors[1] ]; |
| |
| var overFillAlphas:Array; |
| if (fillAlphas.length > 2) |
| overFillAlphas = [ fillAlphas[2], fillAlphas[3] ]; |
| else |
| overFillAlphas = [ fillAlphas[0], fillAlphas[1] ]; |
| |
| drawThumbState(w, h, |
| [ derStyles.themeColDrk2, derStyles.themeColDrk1 ], |
| overFillColors, |
| overFillAlphas, |
| true, |
| true); |
| break; |
| } |
| |
| case "thumbDownSkin": |
| { |
| drawThumbState(w, h, |
| [ derStyles.themeColDrk2, derStyles.themeColDrk1 ], |
| [ derStyles.fillColorPress1, derStyles.fillColorPress2 ], |
| [ 1.0, 1.0 ], |
| true, |
| false); |
| break; |
| } |
| |
| case "thumbDisabledSkin": |
| { |
| drawThumbState(w, h, |
| [ borderColor, derStyles.borderColorDrk1 ], |
| [ fillColors[0], fillColors[1] ], |
| [ Math.max(0, fillAlphas[0] - 0.15), Math.max(0, fillAlphas[1] - 0.15) ], |
| false, |
| false); |
| break; |
| } |
| } |
| } |
| } |
| |
| } |