Xu Cui

 

   



554 Stories by Xu Cui

Learning Employee Directory 5.2 event clone

Return to table of contents ED’s custom events don’t override the clone() method: it doesn’t need because the events are never redispatched. When I test one of my applications I kept getting the following error: Error #1034: Type Co
0 22 sec read

mymvc: Adobe AIR (Flex) application framework

update: Checkout MyMVC official website. —- I find software architecture is quite an interesting topic as I am learning it. A program is like an organization — how to assemble units such that the entire program is “good”? By &
0 3 min read

Learning Employee Directory 5. Events

Return to table of contents ED defines 4 custom events,CommandCompleteEventCommandProgressEventDataSynchronizationEventSelectedItemChangeEvent The main job of these custom events seems to define constant (say public static const COMPLETE : String = &
0 23 sec read

Learning Employee Directory 2.2 Commands

Return to table of contents All command classes are inherited from class Command. By name, commands perform something. Every command has execute() which does the job, and emits progress and complete event, and possibly error event. The base class, Co
0 33 sec read

Learning Employee Directory 3.3 Component

Return to table of contents 1. CustomAutoComplete This component can be very useful. It pops up a list of suggestions based on characters entered by the user. This is a very simple example on how to use it: <controls:CustomAutoComplete id="se
0 30 sec read

Learning Employee Directory 4. Flow

Return to table of contents After the application is initialized, Event “applicationComplete” is dispatched and the following function is called: // in employeedirectory.mxml ui.init(); Go to ApplicationUI.mxml, we find ui.init() issues t
0 10 sec read

Learning Employee Directory 5.1 Event bubble

Return to table of contents In ApplicationUI.mxml (init()), you will find the following two lines: // in ApplicationUI.mxml, in init() titleControls.addEventListener( "showHelp", showHelpScreen ); addEventListener( "close", closeP
0 24 sec read

Learning Employee Directory 3.2 Size

Return to table of contents Which line(s) in the code determines the size of the application? This seemingly simple question did take me some time. The answer lines in the following two lines: // in ApplicationUI.mxml <mx:vbox id="contentBox&
0 18 sec read

Learning Employee Directory 2.1 Singleton pattern

Return to table of contents While reading ED code, I frequently encounter singleton pattern. A singleton class is a class you can only instantiate once and it is useful to store application-wide data (say window position). ApplicationModel and all ma
0 41 sec read