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
currentListener = btnImportListener;
				btnImport.addListener( SWT.Selection, currentListener );
				break;
			default :
				break;
		}
	}
	private void createPreviewArea( Composite composite )
	{
		Composite previewArea = new Composite( composite, SWT.BORDER );
		GridData gd = new GridData( GridData.BEGINNING );
		gd.widthHint = 184;
		gd.heightHint = 229;
		previewArea.setLayoutData( gd );
		previewArea.setLayout( new FormLayout( ) );
		previewCanvas = new ImageCanvas( previewArea );
		FormData formData = new FormData( 180, 229 );
		formData.left = new FormAttachment( previewArea );
		formData.top = new FormAttachment( previewArea );
		previewCanvas.setLayoutData( formData );
	}
	protected boolean initDialog( )
	{
		hasThumbnail = false;
		ModuleHandle moduleHandle = getModuleHandle( );
		if ( ( moduleHandle == null )
				|| ( !( moduleHandle instanceof ReportDesignHandle ) ) )
		{
			btnImport.setEnabled( false );
			btnRemove.setEnabled( false );