ActionScript 3.0 :: Custom Flex Widget Does Not Scroll
Jun 28, 2011
I have created a custom Flex widget by extending UIComponent that I call FlexMapBuilderWidget. I have overriden the various UIComponent methods for measurement, children, display list, etc.
I used this widget to replace a plain old Sprite so that I could add some layout based functionality. When the Sprite was there, I was able to get scrollbars using:
Code:
<s:Scroller width="100%" height="100%">
<s:Group width="100%" height="100%" clipAndEnableScrolling="true">
<gapView:MapBuilderWidget id="mapDisplay" />
[Code]....
I have done test output to check the reported size of the FlexMapBuilderWidget in its measure() and updateDisplayList() methods, the size is always reported as a large enough number to require scrollbars.
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[Code]...
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TypeError: Error #1034: Type Coercion failed: cannot convert events::MapEvent@a74ab51 to flash.events.MouseEvent.
dispatchEvent(new MapEvent(MapEvent.CLICKED_ON_MAP));
Note: The error in my earlier post is giving below error message
Type Coercion failed: cannot convert flash.events::Event@81ecb79 to com.events.ShopEvent
The difference here are two things, the earlier error is while converting flash event to custom event and now this one is while converting custom event to flash event and secondly, I have no clue why it is trying to convert to the mouseevent where I am just dispatching my custom event with proper listeners.
This is my custome event
package events
{
import flash.events.Event;
import ui.map.MapElement;
[code]...
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[Code].....
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[Code]...
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The spark panel component for example can be written like this
<Panel title="Skinny">
<child components ... />
<controlBarGroup>
<child control bar components ... />
</controlBarGroup>
[Code]...
The motivation here is that I can now create a couple different skin files to change the look and layout of those subgroups. Reading source of the spark panel, there are some calls within the mx_internal namespace such as getMXMLContent() which is a method of the spark group component, but which I have no access to.
Does the description above make sense? How can I create custom 'contentGroups' in my custom Flex4 component that can use nested mxml child components? Should I approach this a different way?
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I am using a Flex widget for my facebook application. How can I get the current user's facebook ID?
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package main.events
{
import flash.events.Event;[code]..
So to sum it all up:
- The event listener listens to the custom event dispatched by any custom component.
- The event listener does not listen to the custom event duspatched by an AS class.
Those who wonder, the event really gets dispatched, that's why I added a trace call.
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