PageRenderTime 144ms CodeModel.GetById 79ms app.highlight 5ms RepoModel.GetById 59ms app.codeStats 0ms

/jEdit/tags/jedit-4-2-pre14/org/gjt/sp/jedit/gui/BufferSwitcher.java

#
Java | 86 lines | 55 code | 9 blank | 22 comment | 7 complexity | ee6fdf4ba356c19a5aac28f9e408409e MD5 | raw file
 1/*
 2 * BufferSwitcher.java - Status bar
 3 * Copyright (C) 2000 Slava Pestov
 4 *
 5 * This program is free software; you can redistribute it and/or
 6 * modify it under the terms of the GNU General Public License
 7 * as published by the Free Software Foundation; either version 2
 8 * of the License, or any later version.
 9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18 */
19
20package org.gjt.sp.jedit.gui;
21
22import javax.swing.*;
23import java.awt.event.*;
24import java.awt.*;
25import org.gjt.sp.jedit.*;
26
27public class BufferSwitcher extends JComboBox
28{
29	public BufferSwitcher(EditPane editPane)
30	{
31		this.editPane = editPane;
32
33		//setFont(new Font("Dialog",Font.BOLD,10));
34		setRenderer(new BufferCellRenderer());
35		setMaximumRowCount(jEdit.getIntegerProperty("bufferSwitcher.maxRowCount",10));
36		addActionListener(new ActionHandler());
37	}
38
39	public void updateBufferList()
40	{
41		// if the buffer count becomes 0, then it is guaranteed to
42		// become 1 very soon, so don't do anything in that case.
43		if(jEdit.getBufferCount() == 0)
44			return;
45
46		updating = true;
47		setMaximumRowCount(jEdit.getIntegerProperty("bufferSwitcher.maxRowCount",10));
48		setModel(new DefaultComboBoxModel(jEdit.getBuffers()));
49		setSelectedItem(editPane.getBuffer());
50		updating = false;
51	}
52
53	// private members
54	private EditPane editPane;
55	private boolean updating;
56
57	class ActionHandler implements ActionListener
58	{
59		public void actionPerformed(ActionEvent evt)
60		{
61			if(!updating)
62			{
63				Buffer buffer = (Buffer)getSelectedItem();
64				if(buffer != null)
65					editPane.setBuffer(buffer);
66			}
67		}
68	}
69
70	class BufferCellRenderer extends DefaultListCellRenderer
71	{
72		public Component getListCellRendererComponent(
73			JList list, Object value, int index,
74			boolean isSelected, boolean cellHasFocus)
75		{
76			super.getListCellRendererComponent(list,value,index,
77				isSelected,cellHasFocus);
78			Buffer buffer = (Buffer)value;
79			if(buffer == null)
80				setIcon(null);
81			else
82				setIcon(buffer.getIcon());
83			return this;
84		}
85	}
86}