Bug 201042 [Accessibility]Chart scritp should not add by auto when click the down in keyboard[17]
Description: Chart scritp should not add by auto when click the down in keyboard[0704] Step: 1. New a chart and switch to script view. 2. Let the point on the script function selection. 3. Click the down on keyboard. Actual result: A function will add by auto. Expected result: Customer can not select the function under the second function by keyboard, and it should not be added by auto.
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/composites/TriggerDataComposite.java
cmbActionType.select( 0 );
		}
		updateUI( trigger );
	}
	private void initUI( )
	{
		final String BLANK_STRING = ""; 
		
		txtBaseParm.setText( BLANK_STRING );
		txtValueParm.setText( BLANK_STRING );
		txtSeriesParm.setText( BLANK_STRING );
		
		txtTooltipText.setText( BLANK_STRING );
		
		txtScript.setText( BLANK_STRING );
	}
	private void updateUI( Trigger trigger )
	{
		if ( trigger == null )
		{
			initUI( );
			return;
		}
		
		switch ( getTriggerIndex( ) )
		{
			case INDEX_1_URL_REDIRECT :
				this.slValues.topControl = cmpURL;
				URLValue urlValue = (URLValue) trigger.getAction( ).getValue( );
				sBaseURL = urlValue.getBaseUrl( );