MACROMEDIA FLEX BUILDER-USING FLEX BUILDER Manual do Utilizador descarregar pdf (Página 26)

16. Create the event handlers for the Save, Delete, and Cancel buttons that display when the user edits an account record Use the

following functions:

•

onEditSaveClick—Commits the updated object to the local database.

•

onEditDeleteClick—Deletes the record from the local database, updates the status, and displays a toaster alert.

•

onEditCancelClick—Cancels the current edit operation.

The code should like this:

protected function onEditSaveClick() : void {

_app.setStatus( null );

// The existing account object has been updated in memory.

// Now commit the updated object to the database.

_editFieldContainer.fieldCollection.updateObject(

new mx.rpc.Responder( commitToDB, saveFaultHandler )

);

}

protected function onEditDeleteClick() : void {

_app.setStatus( null );

var account : Account = Account(

_editFieldContainer.fieldCollection.managedObject

);

// clear and go back to empty mode

_editFieldContainer.fieldCollection.clear();

currentState = "default";

_desktopWrapper.deleteItem( account )

var status : F3Message = new F3Message(

F3Message.STATUS_INFO,

"Account deleted"

);

// Show the message in the status bar.

_app.setStatus( status );

// Show the toaster.

_app.showToaster(

new Toaster(

StaticAssets.REPORT_IMAGE_32,

"Account deleted",

status.description

)

);

}

protected function onEditCancel() : void {

_app.setStatus( null );

// clear and go back to empty mode

_editFieldContainer.fieldCollection.clear();

Step 8: Create the Account Manager User Interface and

Application Logic

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