Bug 214714 [Regression] Can't preview SVG image in Report Template dialog when new a report design [02]
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ThumbnailBuilder.java
Composite composite = new Composite( topComposite, SWT.NONE );
		composite.setLayout( new GridLayout( 2, false ) );
		createSelectionArea( composite );
		createPreviewArea( composite );
		createButtons( composite );
		new Label( topComposite, SWT.SEPARATOR | SWT.HORIZONTAL ).setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		UIUtil.bindHelp( parent, IHelpContextIds.THUMBNAIL_BUIDLER_ID );
		return topComposite;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.dialogs.Dialog#okPressed()
	 */
	protected void okPressed( )
	{
		if ( currentListener != null )
		{
			btnImport.removeListener( SWT.Selection, currentListener );
		}
		super.okPressed( );
	}
	public boolean shouldSetThumbnail( )
	{
		return hasThumbnail;
	}
	private void createSelectionArea( Composite composite )
	{
		Composite selectionArea = new Composite( composite, SWT.NONE );
		GridData gd = new GridData( GridData.FILL_HORIZONTAL );