/bundles/plugins-trunk/CommonControls/common/gui/VFSPathFileList.java

/*

 * jEdit - Programmer's Text Editor

 * :tabSize=8:indentSize=8:noTabs=false:

 * :folding=explicit:collapseFolds=1:

 *

 * Copyright Š 2011 Matthieu Casanova

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or any later version.

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

 */



package common.gui;



import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.File;

import java.util.ArrayList;

import java.util.Collection;

import java.util.StringTokenizer;

import javax.swing.BorderFactory;

import javax.swing.Box;

import javax.swing.BoxLayout;

import javax.swing.DefaultListModel;

import javax.swing.JButton;

import javax.swing.JList;

import javax.swing.JPanel;

import javax.swing.JScrollPane;



import org.gjt.sp.jedit.GUIUtilities;

import org.gjt.sp.jedit.TextUtilities;

import org.gjt.sp.jedit.browser.VFSBrowser;

import org.gjt.sp.jedit.jEdit;



/**

 * A component that contains a JList with a list of path,

 * and two buttons add and remove to add paths.

 * This can be used in option panes.

 * The property given in the constructor contains the list of paths

 * separated by the File.pathSeparator

 * Calling save() will save the paths to that property.

 *

 * @author Matthieu Casanova

 */

public class VFSPathFileList extends JPanel

{

	private JList searchList;



	private DefaultListModel model;



	private JButton add;

	private JButton remove;

	private String pathProperty;

	private JScrollPane scroll;



	public VFSPathFileList()

	{

		setBorder(BorderFactory.createEtchedBorder());

		setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));

		model = new DefaultListModel();

		searchList = new JList(model);

		searchList.setPrototypeCellValue("a");

		add = new JButton(jEdit.getProperty("common.add"));

		remove = new JButton(jEdit.getProperty("common.remove"));

		ActionListener actionListener = new MyActionListener();

		add.addActionListener(actionListener);

		remove.addActionListener(actionListener);

		Box box = Box.createHorizontalBox();



		box.add(add);

		box.add(Box.createHorizontalStrut(6));

		box.add(remove);

		box.add(Box.createHorizontalGlue());

		scroll = new JScrollPane(searchList);

		add(scroll);

		add(box);

	}



	public VFSPathFileList(String pathProperty)

	{

		this();

		this.pathProperty = pathProperty;

		scroll.setBorder(BorderFactory.createTitledBorder(jEdit.getProperty(pathProperty + ".label")));

		String property = jEdit.getProperty(pathProperty, "");

		StringTokenizer tokenizer = new StringTokenizer(property, File.pathSeparator);

		while (tokenizer.hasMoreTokens())

		{

			String s = tokenizer.nextToken();

			addPath(s);

		}

	}



	public void save()

	{

		if (pathProperty != null)

		{

			jEdit.setProperty(pathProperty, getPaths());

		}

	}



	public String getPaths()

	{

		int size = model.size();

		Collection<String> paths = new ArrayList<String>();

		for (int i = 0; i < size; i++)

		{

			String path = (String) model.getElementAt(i);

			paths.add(path);

		}

		return TextUtilities.join(paths, File.pathSeparator);

	}



	private void addPath(String path)

	{

		if (path != null && !path.isEmpty() && !model.contains(path))

			model.addElement(path);

	}



	private class MyActionListener implements ActionListener

	{

		private String lastBrowserDialog;



		@Override

		public void actionPerformed(ActionEvent e)

		{

			if (e.getSource() == add)

			{

				String[] strings = GUIUtilities

					.showVFSFileDialog(jEdit.getActiveView(), lastBrowserDialog,

							   VFSBrowser.CHOOSE_DIRECTORY_DIALOG, true);

				if (strings != null)

				{

					for (String string : strings)

					{

						lastBrowserDialog = string;

						addPath(string);

					}

				}

			}

			if (e.getSource() == remove)

			{

				int selectedIndex = searchList.getSelectedIndex();

				if (selectedIndex != -1)

					model.remove(selectedIndex);

			}

		}

	}

}