PropertyCellEditor.java

/*
  PropertyCellEditor.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 org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.FocusAdapter;
import org.eclipse.swt.events.FocusEvent;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Text;

import ejs.base.properties.IProperty;


/**
 * @author ejs
 *
 */
public class PropertyCellEditor extends CellEditor {

	private Composite holder;
	private IProperty property;
	private IPropertyEditor editor;
	private Control editorControl;

	public PropertyCellEditor(Composite parent, IPropertyEditor editor) {
		super(parent, SWT.NONE);
		this.editor = editor;
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.jface.viewers.CellEditor#createControl(org.eclipse.swt.widgets.Composite)
	 */
	@Override
	protected Control createControl(Composite parent) {
		holder = new Composite(parent, SWT.NONE);
		GridLayoutFactory.fillDefaults().applyTo(holder);
	
		holder.addFocusListener(new FocusAdapter() {
            public void focusLost(FocusEvent e) {
            	PropertyCellEditor.this.focusLost();
            }
        });
		
		return holder;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.jface.viewers.CellEditor#doGetValue()
	 */
	@Override
	protected Object doGetValue() {
		return property;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.jface.viewers.CellEditor#doSetFocus()
	 */
	@Override
	protected void doSetFocus() {
		if (editorControl != null) {
			editorControl.setFocus();
			if (editorControl instanceof Text)
				((Text)editorControl).selectAll();
		}
	}

	/* (non-Javadoc)
	 * @see org.eclipse.jface.viewers.CellEditor#doSetValue(java.lang.Object)
	 */
	@Override
	protected void doSetValue(Object value) {
		property = (IProperty) value;
		if (editorControl == null) {
			editorControl = editor.createEditor(holder).getControl();
		}
	}

}