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
cmbTriggerType.setText( triggerTypes[i] );
					}
				}
			}
		}
		
		
		this.lastTriggerType = cmbTriggerType.getText( );
		
		updateActionTypeItems( );
		if ( firstTrigger != null )
		{
			cmbActionType.setText( LiteralHelper.actionTypeSet.getDisplayNameByName( firstTrigger.getAction( )
					.getType( )
					.getName( ) ) );
			updateUI( firstTrigger );
		}
		else
		{
			cmbActionType.select( 0 );
			slValues.topControl = cmpDefault;
		}
	}
	
	/**
	 * Updates Combo items after TriggerCondition change
	 */
	private void updateActionTypeItems( )
	{
		TriggerCondition condition = TriggerCondition.getByName( LiteralHelper.triggerConditionSet.getNameByDisplayName( cmbTriggerType.getText( ) ) );