/*
* EnhancedMenuItem.java - Menu item with user-specified accelerator string
* :tabSize=4:indentSize=4:noTabs=false:
* :folding=explicit:collapseFolds=1:
*
* Copyright (C) 1999, 2003 Slava Pestov
*
* 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.menu;
//{{{ Imports
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import org.gjt.sp.jedit.*;
import org.gjt.sp.jedit.gui.KeyEventTranslator;
import org.gjt.sp.jedit.gui.StatusBar;
import org.jedit.keymap.Keymap;
//}}}
/**
* jEdit's custom menu item. It adds support for multi-key shortcuts.
*/
public class EnhancedMenuItem extends JMenuItem
{
//{{{ EnhancedMenuItem constructor
/**
* Creates a new menu item. Most plugins should call
* GUIUtilities.loadMenuItem() instead.
* @param label The menu item label
* @param action The edit action
* @param context An action context
* @since jEdit 4.2pre1
*/
public EnhancedMenuItem(String label, String action, ActionContext context)
{
this.action = action;
this.shortcut = GUIUtilities.getShortcutLabel(action, true);
String toolTip = jEdit.getProperty(action+ ".tooltip");
if (toolTip != null) {
setToolTipText(toolTip);
}
if (OperatingSystem.hasScreenMenuBar() && shortcut != null)
{
if (jEdit.getBooleanProperty("menu.multiShortcut", false))
{
setText(label + " ( " + shortcut + " )");
}
else
{
setText(label);
Keymap keymap = jEdit.getKeymapManager().getKeymap();
String rawShortcut = keymap.getShortcut(action + ".shortcut");
KeyStroke key = KeyEventTranslator.parseKeyStroke(rawShortcut);
if (key != null)
setAccelerator(key);
}
shortcut = null;
}
else
setText(label);
if(action != null)
{
setEnabled(true);
addActionListener(new EditAction.Wrapper(context,action));
addMouseListener(new MouseHandler());
}
else
setEnabled(false);
} //}}}
//{{{ getPreferredSize() method
public Dimension getPreferredSize()
{
Dimension d = super.getPreferredSize();
if(shortcut != null)
{
d.width += (getFontMetrics(acceleratorFont)
.stringWidth(shortcut) + 15);
}
return d;
} //}}}
//{{{ paint() method
public void paint(Graphics g)
{
super.paint(g);
if(shortcut != null)
{
g.setFont(acceleratorFont);
g.setColor(getModel().isArmed() ?
acceleratorSelectionForeground :
acceleratorForeground);
FontMetrics fm = g.getFontMetrics();
Insets insets = getInsets();
g.drawString(shortcut,getWidth() - (fm.stringWidth(
shortcut) + insets.right + insets.left + 5),
getFont().getSize() + (insets.top -
(OperatingSystem.isMacOSLF() ? 0 : 1))
/* XXX magic number */);
}
} //}}}
//{{{ Package-private members
static Font acceleratorFont;
static Color acceleratorForeground;
static Color acceleratorSelectionForeground;
//}}}
//{{{ Private members
//{{{ Instance variables
private String shortcut;
private String action;
//}}}
//{{{ Class initializer
static
{
String shortcutFont;
if (OperatingSystem.isMacOSLF())
{
shortcutFont = "Lucida Grande";
}
else
{
shortcutFont = "Monospaced";
}
acceleratorFont = UIManager.getFont("MenuItem.acceleratorFont");
if(acceleratorFont == null)
{
acceleratorFont = new Font(shortcutFont,Font.PLAIN,12);
}
acceleratorForeground = UIManager
.getColor("MenuItem.acceleratorForeground");
if(acceleratorForeground == null)
{
acceleratorForeground = Color.black;
}
acceleratorSelectionForeground = UIManager
.getColor("MenuItem.acceleratorSelectionForeground");
if(acceleratorSelectionForeground == null)
{
acceleratorSelectionForeground = Color.black;
}
} //}}}
//}}}
//{{{ MouseHandler class
class MouseHandler extends MouseAdapter
{
boolean msgSet = false;
private String msg;
public void mouseReleased(MouseEvent evt)
{
cleanupStatusBar(evt);
}
public void mouseEntered(MouseEvent evt)
{
msg = jEdit.getProperty(action + ".mouse-over");
if(msg != null)
{
GUIUtilities.getView((Component)evt.getSource())
.getStatus().setMessage(msg);
msgSet = true;
}
}
public void mouseExited(MouseEvent evt)
{
cleanupStatusBar(evt);
}
private void cleanupStatusBar(MouseEvent evt)
{
if(msgSet)
{
StatusBar statusBar = GUIUtilities.getView((Component) evt.getSource())
.getStatus();
if (msg == statusBar.getMessage())
{
statusBar.setMessage(null);
}
msgSet = false;
msg = null;
}
}
} //}}}
}