/*
* LineSepWidgetFactory.java - The line separator widget service
* :tabSize=8:indentSize=8:noTabs=false:
* :folding=explicit:collapseFolds=1:
*
* Copyright (C) 2008 Matthieu Casanova
* Portions Copyright (C) 2001, 2004 Slava Pestov
* Portions copyright (C) 2001 Mike Dillon
*
* 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 org.gjt.sp.jedit.gui.statusbar;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.SwingConstants;
import org.gjt.sp.jedit.Buffer;
import org.gjt.sp.jedit.View;
import org.gjt.sp.jedit.jEdit;
import org.gjt.sp.jedit.buffer.JEditBuffer;
/**
* @author Matthieu Casanova
* @since jEdit 4.3pre14
*/
public class LineSepWidgetFactory implements StatusWidgetFactory
{
//{{{ getWidget() method
public Widget getWidget(View view)
{
Widget lineSep = new LineSepWidget(view);
return lineSep;
} //}}}
//{{{ LineSepWidget class
private static class LineSepWidget implements Widget
{
private final JLabel lineSep;
private final View view;
//{{{ LineSepWidget constructor
LineSepWidget(final View view)
{
lineSep = new ToolTipLabel();
lineSep.setHorizontalAlignment(SwingConstants.CENTER);
lineSep.setToolTipText(jEdit.getProperty("view.status.linesep-tooltip"));
this.view = view;
lineSep.addMouseListener(new MouseAdapter()
{
@Override
public void mouseClicked(MouseEvent evt)
{
view.getBuffer().toggleLineSeparator(view);
}
});
} //}}}
//{{{ getComponent() method
public JComponent getComponent()
{
return lineSep;
} //}}}
//{{{ update() method
public void update()
{
Buffer buffer = view.getBuffer();
String lineSep = buffer.getStringProperty(JEditBuffer.LINESEP);
if("\n".equals(lineSep))
this.lineSep.setText("U");
else if("\r\n".equals(lineSep))
this.lineSep.setText("W");
else if("\r".equals(lineSep))
this.lineSep.setText("M");
} //}}}
//{{{ propertiesChanged() method
public void propertiesChanged()
{
// retarded GTK look and feel!
Font font = new JLabel().getFont();
//UIManager.getFont("Label.font");
FontMetrics fm = lineSep.getFontMetrics(font);
Dimension dim = new Dimension(Math.max(
Math.max(fm.charWidth('U'),
fm.charWidth('W')),
fm.charWidth('M')) + 1,
fm.getHeight());
lineSep.setPreferredSize(dim);
lineSep.setMaximumSize(dim);
} //}}}
} //}}}
}
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