content: /*******************************************************************************
   * Copyright (c) 2000, 2008 IBM Corporation and others.
   * All rights reserved. This program and the accompanying materials
   * are made available under the terms of the Eclipse Public License v1.0
   * which accompanies this distribution, and is available at
   * http://www.eclipse.org/legal/epl-v10.html
   *
   * Contributors:
   *     IBM Corporation - initial API and implementation
   *******************************************************************************/
  package org.eclipse.wst.jsdt.internal.ui.text.folding;
  
  import org.eclipse.swt.SWT;
  import org.eclipse.swt.layout.GridData;
  import org.eclipse.swt.layout.GridLayout;
  import org.eclipse.swt.widgets.Composite;
  import org.eclipse.swt.widgets.Control;
  import org.eclipse.swt.widgets.Label;
  import org.eclipse.wst.jsdt.ui.text.folding.IJavaFoldingPreferenceBlock;
  
  
  /**
   * Empty preference block for extensions to the
   * <code>org.eclipse.wst.jsdt.ui.javaFoldingStructureProvider</code> extension
   * point that do not specify their own.
   *
   * 
   */
  class EmptyJavaFoldingPreferenceBlock implements IJavaFoldingPreferenceBlock {
  	/*
  	 * @see org.eclipse.wst.jsdt.internal.ui.text.folding.IJavaFoldingPreferences#createControl(org.eclipse.swt.widgets.Group)
  	 */
  	public Control createControl(Composite composite) {
  		Composite inner= new Composite(composite, SWT.NONE);
  		inner.setLayout(new GridLayout(3, false));
  
  		Label label= new Label(inner, SWT.CENTER);
  		GridData gd= new GridData(GridData.FILL_BOTH);
  		gd.widthHint= 30;
  		label.setLayoutData(gd);
  
  		label= new Label(inner, SWT.CENTER);
  		label.setText(FoldingMessages.EmptyJavaFoldingPreferenceBlock_emptyCaption);
  		gd= new GridData(GridData.CENTER);
  		label.setLayoutData(gd);
  
  		label= new Label(inner, SWT.CENTER);
  		gd= new GridData(GridData.FILL_BOTH);
  		gd.widthHint= 30;
  		label.setLayoutData(gd);
  
  		return inner;
  	}
  
  	/*
  	 * @see org.eclipse.wst.jsdt.internal.ui.text.folding.IJavaFoldingPreferenceBlock#initialize()
  	 */
  	public void initialize() {
  	}
  
  	/*
  	 * @see org.eclipse.wst.jsdt.internal.ui.text.folding.IJavaFoldingPreferenceBlock#performOk()
  	 */
  	public void performOk() {
  	}
  
  	/*
  	 * @see org.eclipse.wst.jsdt.internal.ui.text.folding.IJavaFoldingPreferenceBlock#performDefaults()
  	 */
  	public void performDefaults() {
  	}
  
  	/*
  	 * @see org.eclipse.wst.jsdt.internal.ui.text.folding.IJavaFoldingPreferenceBlock#dispose()
  	 */
  	public void dispose() {
  	}
  
  }
  