Flex Examples
The following example shows how you can set the digit width on a Spark NumericStepper control in Flex 4 by setting the digitWidth style.
Full code after the jump.
The following example(s) require Flash Player 10 and the Adobe Flex 4 SDK. To download the Adobe Flash Builder 4 trial, see http://www.adobe.com/products/flex/. To download the latest nightly build of the Flex 4 SDK, see http://opensource.adobe.com/wiki/display/flexsdk/Download+Flex+4.
For more information on getting started with Flex 4 and Flash Builder 4, see the official Adobe Flex Team blog.
<?xml version="1.0" encoding="utf-8"?> <!-- http://blog.flexexamples.com/2009/04/07/setting-the-digit-width-on-the-spark-numericstepper-control-in-flex-gumbo/ --> <s:Application name="Spark_NumericStepper_digitWidth_test" xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx"> <fx:Style> @namespace s "library://ns.adobe.com/flex/spark"; @font-face { src: url("C:/Windows/Fonts/ArnoPro-Regular.otf"); fontFamily: ArnoEmb; embedAsCFF: true; } s|NumericStepper { fontFamily: ArnoEmb; fontSize: 16; } </fx:Style> <s:controlBarContent> <mx:Form> <mx:FormItem label="digitWidth:"> <s:DropDownList id="dropDownList" selectedIndex="0" width="100"> <s:dataProvider> <s:ArrayList source="[default,tabular,proportional]" /> </s:dataProvider> </s:DropDownList> </mx:FormItem> </mx:Form> </s:controlBarContent> <s:NumericStepper id="numericStepper" maximum="1010101010101" value="1010101010101" digitWidth="{dropDownList.selectedItem}" width="150" horizontalCenter="0" verticalCenter="0" /> </s:Application>
View source is enabled in the following example.
You can also set the digitWidth style in an external .CSS file or <Style> block, as seen in the following example:
<?xml version="1.0" encoding="utf-8"?> <!-- http://blog.flexexamples.com/2009/04/07/setting-the-digit-width-on-the-spark-numericstepper-control-in-flex-gumbo/ --> <s:Application name="Spark_NumericStepper_digitWidth_test" xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx"> <fx:Style> @namespace s "library://ns.adobe.com/flex/spark"; @font-face { src: url("C:/Windows/Fonts/ArnoPro-Regular.otf"); fontFamily: ArnoEmb; embedAsCFF: true; } s|NumericStepper { fontFamily: ArnoEmb; fontSize: 16; digitWidth: proportional; } </fx:Style> <s:NumericStepper id="numericStepper" maximum="1010101010101" value="1010101010101" width="150" horizontalCenter="0" verticalCenter="0" /> </s:Application>
Or you can set the digitWidth style using ActionScript, as seen in the following example:
<?xml version="1.0" encoding="utf-8"?> <!-- http://blog.flexexamples.com/2009/04/07/setting-the-digit-width-on-the-spark-numericstepper-control-in-flex-gumbo/ --> <s:Application name="Spark_NumericStepper_digitWidth_test" xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx"> <fx:Style> @namespace s "library://ns.adobe.com/flex/spark"; @font-face { src: url("C:/Windows/Fonts/ArnoPro-Regular.otf"); fontFamily: ArnoEmb; embedAsCFF: true; } s|NumericStepper { fontFamily: ArnoEmb; fontSize: 16; } </fx:Style> <fx:Script> <![CDATA[ import spark.events.IndexChangeEvent; protected function dropDownList_changeHandler(evt:IndexChangeEvent):void { numericStepper.setStyle("digitWidth", dropDownList.selectedItem); } ]]> </fx:Script> <s:controlBarContent> <mx:Form> <mx:FormItem label="digitWidth:"> <s:DropDownList id="dropDownList" selectedIndex="0" width="100" change="dropDownList_changeHandler(event);"> <s:dataProvider> <s:ArrayList source="[default,tabular,proportional]" /> </s:dataProvider> </s:DropDownList> </mx:FormItem> </mx:Form> </s:controlBarContent> <s:NumericStepper id="numericStepper" maximum="1010101010101" value="1010101010101" width="150" horizontalCenter="0" verticalCenter="0" /> </s:Application>
Due to popular demand, here is the “same” example in a more ActionScript friendly format:
<?xml version="1.0" encoding="utf-8"?> <!-- http://blog.flexexamples.com/2009/04/07/setting-the-digit-width-on-the-spark-numericstepper-control-in-flex-gumbo/ --> <s:Application name="Spark_NumericStepper_digitWidth_test" xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx" initialize="init();"> <fx:Script> <![CDATA[ import flash.text.engine.DigitWidth; import mx.collections.ArrayList; import mx.containers.Form; import mx.containers.FormItem; import mx.core.FlexGlobals; import spark.components.DropDownList; import spark.components.NumericStepper; import spark.events.IndexChangeEvent; [Embed(source="C:/Windows/Fonts/ArnoPro-Regular.otf", fontFamily="ArnoEmb", embedAsCFF="true")] protected const ArnoEmbFont:Class; protected var dropDownList:DropDownList; protected var numericStepper:NumericStepper; protected function init():void { var nsCSS:CSSStyleDeclaration = styleManager.getStyleDeclaration("spark.components.NumericStepper"); nsCSS.setStyle("fontFamily", "ArnoEmb"); nsCSS.setStyle("fontSize", 16); var dp:ArrayList = new ArrayList(); dp.addItem(DigitWidth.DEFAULT); dp.addItem(DigitWidth.TABULAR); dp.addItem(DigitWidth.PROPORTIONAL); dropDownList = new DropDownList(); dropDownList.dataProvider = dp; dropDownList.selectedIndex = 0; dropDownList.width = 100; dropDownList.addEventListener(IndexChangeEvent.CHANGE, dropDownList_changeHandler); var formItem:FormItem = new FormItem(); formItem.label = "digitWidth:"; formItem.addElement(dropDownList); var form:Form = new Form(); form.addElement(formItem); FlexGlobals.topLevelApplication.controlBarContent = [form]; numericStepper = new NumericStepper(); numericStepper.maximum = 1010101010101; numericStepper.value = 1010101010101; numericStepper.setStyle("digitWidth", dropDownList.selectedItem); numericStepper.width = 150; numericStepper.horizontalCenter = 0; numericStepper.verticalCenter = 0; addElement(numericStepper); } protected function dropDownList_changeHandler(evt:IndexChangeEvent):void { numericStepper.setStyle("digitWidth", dropDownList.selectedItem); } ]]> </fx:Script> </s:Application>
This entry is based on a beta version of the Flex 4 SDK and therefore is very likely to change as development of the Flex SDK continues. The API can (and will) change causing examples to possibly not compile in newer versions of the Flex 4 SDK.
Peter deHaan
Peter deHaan currently works for Adobe on the Flex SDK QA team. While not working on Flex, Flash, and ColdFusion applications, Peter enjoys making up bios and writing in 3rd person. Peter's rarely updated blog can be found at blogs.adobe.com/pdehaan/, actionscriptexamples.com, airexamples.com, and coldfusionexamples.com.
Share
