Setting the open duration for an Accordion container in Flex
The following example shows how you can set the open duration for a Flex Accordion container by setting the openDuration style.
Full code after the jump.
<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/05/07/setting-the-open-duration-for-an-accordion-container-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
layout="vertical"
verticalAlign="middle"
backgroundColor="white">
<mx:Script>
<![CDATA[
private function init():void {
slider.value = accordion.getStyle("openDuration");
}
]]>
</mx:Script>
<mx:ApplicationControlBar dock="true">
<mx:Form styleName="plain">
<mx:FormItem label="openDuration:"
direction="horizontal">
<mx:HSlider id="slider"
minimum="0"
maximum="3000"
liveDragging="true"
snapInterval="100"
tickInterval="500"
dataTipPrecision="0" />
<mx:Label text="{slider.value} ms" />
</mx:FormItem>
</mx:Form>
</mx:ApplicationControlBar>
<mx:Accordion id="accordion"
openDuration="{slider.value}"
creationPolicy="all"
width="100%"
height="100%"
initialize="init();">
<mx:VBox label="Red"
backgroundColor="red"
width="100%"
height="100%" />
<mx:VBox label="Orange"
backgroundColor="haloOrange"
width="100%"
height="100%" />
<mx:VBox label="Yellow"
backgroundColor="yellow"
width="100%"
height="100%" />
<mx:VBox label="Green"
backgroundColor="haloGreen"
width="100%"
height="100%" />
<mx:VBox label="Blue"
backgroundColor="haloBlue"
width="100%"
height="100%" />
</mx:Accordion>
</mx:Application>
View source is enabled in the following example.
You can also set the openDuration style in an external .CSS file or <mx:Style /> block, as seen in the following snippet:
<mx:Style>
Accordion {
openDuration: 800;
}
</mx:Style>
Or, you could set the openDuration style using ActionScript, as seen in the following snippet:
accordion.setStyle("openDuration", 800);
Finally, due to popular demand, here is the “same” example in ActionScript format:
<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/05/07/setting-the-open-duration-for-an-accordion-container-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
xmlns:comps="comps.*"
layout="vertical"
verticalAlign="middle"
backgroundColor="white">
<comps:MyBox width="100%" height="100%" />
</mx:Application>
package comps {
import mx.containers.Accordion;
import mx.containers.ApplicationControlBar;
import mx.containers.Form;
import mx.containers.FormItem;
import mx.containers.FormItemDirection;
import mx.containers.VBox;
import mx.controls.HSlider;
import mx.controls.Label;
import mx.core.Application;
import mx.core.ContainerCreationPolicy;
import mx.events.SliderEvent;
public class MyBox extends VBox {
public var appControlBar:ApplicationControlBar;
public var slider:HSlider;
public var lbl:Label;
public var accordion:Accordion;
public var vBox1:VBox;
public var vBox2:VBox;
public var vBox3:VBox;
public var vBox4:VBox;
public var vBox5:VBox;
public function MyBox() {
super();
init();
}
private function init():void {
vBox1 = new VBox();
vBox1.label = "Red";
vBox1.setStyle("backgroundColor", "red");
vBox1.percentWidth = 100;
vBox1.percentHeight = 100;
vBox2 = new VBox();
vBox2.label = "Orange";
vBox2.setStyle("backgroundColor", "haloOrange");
vBox2.percentWidth = 100;
vBox2.percentHeight = 100;
vBox3 = new VBox();
vBox3.label = "Yellow";
vBox3.setStyle("backgroundColor", "yellow");
vBox3.percentWidth = 100;
vBox3.percentHeight = 100;
vBox4 = new VBox();
vBox4.label = "Green";
vBox4.setStyle("backgroundColor", "haloGreen");
vBox4.percentWidth = 100;
vBox4.percentHeight = 100;
vBox5 = new VBox();
vBox5.label = "Blue";
vBox5.setStyle("backgroundColor", "haloBlue");
vBox5.percentWidth = 100;
vBox5.percentHeight = 100;
accordion = new Accordion();
accordion.creationPolicy = ContainerCreationPolicy.ALL;
accordion.percentWidth = 100;
accordion.percentHeight = 100;
accordion.addChild(vBox1);
accordion.addChild(vBox2);
accordion.addChild(vBox3);
accordion.addChild(vBox4);
accordion.addChild(vBox5);
addChild(accordion);
slider = new HSlider();
slider.minimum = 0;
slider.maximum = 3000; // 3 seconds
slider.value = accordion.getStyle("openDuration");
slider.liveDragging = true;
slider.snapInterval = 100;
slider.tickInterval = 500;
slider.setStyle("dataTipPrecision", 0);
slider.addEventListener(SliderEvent.CHANGE, slider_change);
lbl = new Label();
var formItem:FormItem = new FormItem();
formItem.label = "openDuration:";
formItem.direction = FormItemDirection.HORIZONTAL;
formItem.addChild(slider);
formItem.addChild(lbl);
var form:Form = new Form();
form.styleName = "plain";
form.addChild(formItem);
appControlBar = new ApplicationControlBar();
appControlBar.dock = true;
appControlBar.addChild(form);
/* Add docked ApplicationControlBar container to main application container. */
Application.application.addChildAt(appControlBar, 0);
}
private function slider_change(evt:SliderEvent):void {
accordion.setStyle("openDuration", evt.value);
lbl.text = evt.value.toString();
}
}
}
View source is enabled in the following example.
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.
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How do you get your code to format in the pre or code tag?
Joshua Weatherspoon,
I just use the <pre> tag. The Redoable WordPress template has a bunch of default styles for things like code blocks, notes, alerts, downlod links, information icons, etc. For more information, see http://deanjrobinson.com/projects/redoable/.
Peter