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
}
	private String getAdvancedButtonText( boolean bAdvanced )
	{
		if ( bAdvanced )
		{
			return Messages.getString( "TriggerDataComposite.Text.OpenAdvanced" ); 
		}
		return Messages.getString( "TriggerDataComposite.Text.Advanced" ); 
	}
	
	private int getExpressionBuilderCommand( )
	{
		int type = this.triggerMatrix.getType( );
		if ( ( type & TriggerSupportMatrix.TYPE_DATAPOINT ) == TriggerSupportMatrix.TYPE_DATAPOINT )
		{
			return IUIServiceProvider.COMMAND_EXPRESSION_TRIGGERS_DATAPOINTS;
		}
		return IUIServiceProvider.COMMAND_EXPRESSION_TRIGGERS_SIMPLE;
	}
	
	private int getHyperlinkBuilderCommand( )
	{
		int type = this.triggerMatrix.getType( );
		if ( ( type & TriggerSupportMatrix.TYPE_DATAPOINT ) == TriggerSupportMatrix.TYPE_DATAPOINT )
		{
			return IUIServiceProvider.COMMAND_HYPERLINK_DATAPOINTS;
		}
		return IUIServiceProvider.COMMAND_HYPERLINK;
	}
}