/*

 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description: 

 *

 */

package com.nokia.carbide.cpp.internal.pi.wizards.ui.util;

import org.eclipse.jface.viewers.ILabelProvider;

import org.eclipse.swt.SWT;

import org.eclipse.swt.custom.TreeEditor;

import org.eclipse.swt.events.SelectionListener;

import org.eclipse.swt.widgets.Button;

import org.eclipse.swt.widgets.Tree;

import org.eclipse.swt.widgets.TreeItem;

public class PkgListBaseCustomItem {

	private PkgListTreeViewer viewer;

	private Object element;

	private TreeItem treeItem;

	private TreeEditor editor = null;

	// hide button because Button.setSelection doesn't fire event

	// but we need to catch the selection to fire event for the viewer

	// , we can't subclass Button either... so we wrap button around and

	// provide only limited access, so we can intercept setSelection()

	private Button button = null;

	PkgListBaseCustomItem(PkgListTreeViewer myViewer, final Object myElement, TreeItem myTreeItem) {

		viewer = myViewer;

		element = myElement;

		treeItem = myTreeItem;

	}

	public void createButton(int buttonSytle, SelectionListener listener) {

		Tree tree = viewer.getTree();

		button = new Button(tree, buttonSytle);

		editor = new TreeEditor(tree);

		button.pack();

		button.setBackground(tree.getBackground());

		button.setText(((ILabelProvider) viewer.getLabelProvider()).getText(element));

		button.addSelectionListener(listener);

		editor.grabHorizontal = true;

		editor.setEditor(button, treeItem);

		editor.minimumWidth = button.getSize().x;

		editor.horizontalAlignment = SWT.LEFT;		

	}

	public boolean getSelection() {

		return button.getSelection();

	}

	public void setSelection(boolean selection) {

		button.setSelection(selection);

	}

	public void setEnabled(boolean enabled) {

		button.setEnabled(enabled);

	}

	public boolean getEnabled() {

		return button.getEnabled();

	}

	public void dispose() {

		if (editor != null) {

			editor.dispose();

		}

		if (button != null) {

			button.dispose();

		}

	}

	public TreeItem getTreeItem() {

		return treeItem;

	}

}