Bug 145909 [regression] the layout of new map rule dialog is not well organized
steps to reproduce: - create a report - add a table/list - add a new map rule - notice new map rule dialog expected behavior: - the layout should be user friendly actual behavior: - it was simply not
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/MapRuleBuilder.java
* (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.dialogs.Dialog#createContents(org.eclipse.swt.widgets.Composite)
	 */
	protected Control createContents( Composite parent )
	{
		GridData gdata;
		GridLayout glayout;
		createTitleArea( parent );
		Composite composite = new Composite( parent, 0 );
		glayout = new GridLayout( );
		glayout.marginHeight = 0;
		glayout.marginWidth = 0;
		glayout.verticalSpacing = 0;
		composite.setLayout( glayout );
		composite.setLayoutData( new GridData( GridData.FILL_BOTH ) );
		applyDialogFont( composite );
		initializeDialogUnits( composite );
		Composite innerParent = (Composite) createDialogArea( composite );
		createButtonBar( composite );
		Label lb = new Label( innerParent, SWT.NONE );
		lb
				.setText( Messages
						.getString( "MapRuleBuilderDialog.text.Condition" ) ); 
		Composite condition = new Composite( innerParent, SWT.NONE );
		condition.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		glayout = new GridLayout( 5, false );
		condition.setLayout( glayout );
		expression = new Combo( condition, SWT.NONE );
		gdata = new GridData( );