EditGroup.java

/*
  EditGroup.java

  (c) 2010-2012 Edward Swartz

  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
 */
package org.ejs.gui.properties;

import java.util.HashMap;
import java.util.Map;

import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Group;

import ejs.base.properties.IProperty;


/**
 * @author ejs
 *
 */
public class EditGroup extends Composite implements IPropertyEditorControl {

	private Group group;
	private Composite subgroup;
	private HashMap<IProperty, IPropertyEditorControl> propertyMap;

	/**
	 * @param parent
	 * @param style
	 * @param label 
	 */
	public EditGroup(Composite parent, int style, String labelTxt) {
		super(parent, style);
		
		GridLayoutFactory.fillDefaults().numColumns(2).applyTo(this);
		
		group = new Group(this, SWT.NONE);
		group.setText(labelTxt);
		
		//GridDataFactory.fillDefaults().grab(true, true).minSize(100,100).applyTo(group);
		GridDataFactory.fillDefaults().grab(true, true).applyTo(group);
		GridLayoutFactory.fillDefaults().numColumns(1).margins(6, 6).applyTo(group);

		propertyMap = new HashMap<IProperty, IPropertyEditorControl>();
	}

	@Override
	public Control getControl() {
		return group;
	}
	
	/**
	 * @return
	 */
	public Composite getContainer() {
		return group;
	}

	public Composite getSubcontainer() {
		if (subgroup == null) {

			subgroup = new Composite(this, SWT.NONE);
			GridDataFactory.fillDefaults().grab(true, true).span(1, 1).applyTo(subgroup);
			GridLayoutFactory.fillDefaults().numColumns(2).applyTo(subgroup);
		}
		return subgroup;
	}

	public void registerControl(IProperty property, IPropertyEditorControl control) {
		propertyMap.put(property, control);
	}
	/**
	 * 
	 */
	public void clear() {
		for (Control kid : group.getChildren()) {
			kid.dispose();
		}
		subgroup = null;
	}

	@Override
	public void reset() {
		for (Map.Entry<IProperty, IPropertyEditorControl> entry : propertyMap.entrySet()) {
			IPropertyEditorControl ctrl = entry.getValue();
			if (ctrl != null) 
				ctrl.reset();
		}
	}
}