/*******************************************************************************
 * <copyright>
 *
 * Copyright (c) 2005, 2011 SAP AG.
 * 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:
 *    SAP AG - initial API, implementation and documentation
 *    mgorning - Bug 347262 - DirectEditingFeature with TYPE_DIALOG type
 *
 * </copyright>
 *
 *******************************************************************************/
package org.eclipse.graphiti.ui.platform;

import org.eclipse.draw2d.IFigure;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.ICellEditorValidator;
import org.eclipse.swt.widgets.Composite;

/**
 * The Interface ICellEditorProvider.
 * 
 * Clients can use this interface to provide their own cell editors for direct
 * editing. The direct editing feature must simply implement this interface.
 * 
 * @since 0.9
 */
public interface ICellEditorProvider {

	/**
	 * Creates the cell editor on the given parent composite.
	 * 
	 * The methods <li> <code>protected abstract Object doGetValue();</code></li>
	 * <li> <code>protected abstract void doSetValue(Object value);</code></li><br>
	 * <br>
	 * from the {@link CellEditor} must handle {@link String} as value.
	 * Otherwise the framework cannot interact with the cell editor.
	 * 
	 * The customer is also responsible to set a correct
	 * {@link ICellEditorValidator} on the {@link CellEditor} if input
	 * validation is needed.
	 * 
	 * @param parent
	 *            the parent composite to create the cell editor on
	 * @return the newly created cell editor
	 */
	CellEditor createCellEditor(Composite parent);

	/**
	 * Relocates a CellEditor.
	 * 
	 * @param cellEditor
	 *            the CellEditor
	 * @param figure
	 *            the text figure on which direct editing was initiated
	 */
	void relocate(CellEditor cellEditor, IFigure figure);
}