update/org.eclipse.update.ui.forms/Eclipse Forms/org/eclipse/ui/forms/SectionPart.java

/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.ui.forms;
import org.eclipse.swt.widgets.*;
import org.eclipse.ui.forms.events.*;
import org.eclipse.ui.forms.widgets.*;
/**
 * Section part implements IFormPart interface based on the Section widget.
 * 
 * @see Section
 */
public class SectionPart implements IFormPart {
	private IManagedForm managedForm;
	private Section section;
	/**
	 * Creates a new section part based on the provided section.
	 * 
	 * @param section
	 *            the section to use
	 */
	public SectionPart(Section section) {
		this.section = section;
		initialize();
	}
	public SectionPart(Composite parent, FormToolkit toolkit, int style) {
		this(toolkit.createSection(parent, style));
	}
	/**
	 * Initializes the section.
	 */
	protected void initialize() {
		if ((section.getExpansionStyle() & Section.TWISTIE) != 0
				|| (section.getExpansionStyle() & Section.TREE_NODE) != 0) {
			section.addExpansionListener(new ExpansionAdapter() {
				public void expansionStateChanging(ExpansionEvent e) {
					SectionPart.this.expansionStateChanging(e.getState());
				}
				public void expansionStateChanged(ExpansionEvent e) {
					SectionPart.this.expansionStateChanged(e.getState());
				}
			});
		}
	}
	/**
	 * Returns the section widget used in this part.
	 * 
	 * @return the section widget
	 */
	public Section getSection() {
		return section;
	}
	protected void expansionStateChanging(boolean expanding) {
	}
	protected void expansionStateChanged(boolean expanded) {
		managedForm.getForm().reflow(false);
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.forms.IFormPart#initialize(org.eclipse.ui.forms.ManagedForm)
	 */
	public void initialize(IManagedForm form) {
		this.managedForm = form;
	}
	
	public IManagedForm getForm() {
		return managedForm;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.forms.IFormPart#dispose()
	 */
	public void dispose() {
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.forms.IFormPart#commit(boolean)
	 */
	public void commit(boolean onSave) {
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.forms.IFormPart#setFormInput(java.lang.Object)
	 */
	public void setFormInput(Object input) {
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.forms.IFormPart#setFocus()
	 */
	public void setFocus() {
		Control client = section.getClient();
		if (client != null)
			client.setFocus();
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.forms.IFormPart#refresh()
	 */
	public void refresh() {
	}
	public boolean isDirty() {
		return false;
	}
}