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desktop.bsh
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2005-05-23
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/**
* Start the BeanShell GUI desktop in a JFrame. A starter workspace is created
* and added to the desktop.
*
* @method void desktop()
*
* @author Pat Niemeyer
* @author Daniel Leuck
*/
import javax.swing.*;
import javax.swing.border.*;
import bsh.util.JConsole;
import bsh.util.Util;
import bsh.Interpreter;
import java.awt.Component;
import bsh.Capabilities;
desktop()
{
// need a way to set things to void again
if ( bsh.system.desktop != void ) {
print("There is already a desktop running...");
return;
} else
bsh.system.desktop = this; // race condition (hah!)
bsh.system.icons=object();
bsh.system.icons.bean=
new ImageIcon(getResource("/bsh/util/lib/icon.gif"));
bsh.system.icons.workspace=
new ImageIcon(getResource("/bsh/util/lib/workspace.gif"));
bsh.system.icons.script=
new ImageIcon(getResource("/bsh/util/lib/script.gif"));
bsh.system.icons.eye=
new ImageIcon(getResource("/bsh/util/lib/eye.jpg"));
// Disallowed by applet security
try {
bsh.system.fonts = GraphicsEnvironment.getLocalGraphicsEnvironment().
getAvailableFontFamilyNames();
} catch ( SecurityException se ) { }
JPanel stage=new JPanel(new BorderLayout());
JPanel taskBar=new JPanel(new FlowLayout(FlowLayout.LEFT, 1, 1));
// For some insane reason, access to the JPanel background color object
// is protected on the Mac
borderColor = taskBar.background;
try {
borderColor = taskBar.background.darker();
} catch ( SecurityException e ) { }
taskBar.setBorder( new MatteBorder(1,0,0,0, borderColor) );
ButtonGroup taskBarButtonGroup = new ButtonGroup();
// Ignore unhandled method invocations from listeners.
invoke( method, args ) { }
makeInternalFrame( String name )
{
// Closable by default
this.frame = new JInternalFrame( name, true, true, true, true );
frame.frameIcon=bsh.system.icons.bean;
frame.visible=true;
return frame;
}
this.frameMap=new Hashtable();
taskBarButtonListener() {
actionPerformed(ae) {
this.iframe=frameMap.get(ae.source);
if(iframe.icon)
iframe.icon=false;
if(iframe!=null && !iframe.selected)
iframe.selected=true;
}
return this;
}
this.taskBarButtonListener=taskBarButtonListener();
addInternalFrame( frame )
{
iframeListener=new InternalFrameListener() {
internalFrameClosing(ife) {
for(e:new Hashtable(frameMap).entrySet()) {
if(e.value.equals(ife.source)) {
taskBar.remove(e.key);
taskBarButtonGroup.remove(e.key);
frameMap.remove(e.key);
taskBar.validate();
taskBar.repaint();
}
}
}
internalFrameActivated(ife) {
for(e:frameMap.entrySet()) if(e.value.equals(ife.source)) {
if(!e.key.selected) e.key.selected=true;
}
}
internalFrameDeactivated(ife) {}
internalFrameClosed(ife) {}
internalFrameOpened(ife) {}
internalFrameIconified(ife) {}
internalFrameDeiconified(ife) {}
};
bsh.system.desktop.pane.add( frame );
frame.addInternalFrameListener(iframeListener);
JToggleButton button = new JToggleButton(frame.title, frame.frameIcon);
taskBarButtonGroup.add(button);
// For some insane rason access to some of the color objects is
// protected on the Mac
try {
button.border=
new CompoundBorder((Border)thinBorder(), new EmptyBorder(2,2,2,3));
} catch ( SecurityException e ) { }
button.addActionListener(taskBarButtonListener);
taskBar.add(button);
taskBar.validate();
frameMap.put(button,frame);
}
this.windowCount=0;
mousePressed( e ) {
popup.show( pane, e.getX(), e.getY() );
}
shutdown() {
/*
ret = JOptionPane.showInternalConfirmDialog( pane,
"This workspace has not been saved. Do you really want to exit?" );
if ( ret == JOptionPane.YES_OPTION )
exit();
*/
frame.dispose();
exit();
}
actionPerformed( e )
{
this.com = e.getActionCommand();
if ( com.equals("New Bsh Workspace") )
makeWorkspace( ""+ super.windowCount++);
if ( com.equals("New Class Browser") )
classBrowser();
else if ( com.equals("Save Workspace") )
JOptionPane.showInternalMessageDialog( pane, "Unimplemented" );
else if ( com.equals("Exit") )
shutdown();
}
this.pane=new JDesktopPane();
this.popup=new JPopupMenu("Root Menu");
this.mi=new JMenuItem("New Bsh Workspace");
mi.addActionListener(this);
popup.add( mi );
mi=new JMenuItem("New Class Browser");
mi.addActionListener(this);
popup.add( mi );
mi=new JMenuItem("Save Workspace");
mi.addActionListener(this);
popup.add( mi );
mi=new JMenuItem("Exit");
mi.addActionListener(this);
popup.add( mi );
pane.addMouseListener( this );
this.frame=new JFrame("BeanShell Desktop 1.1");
stage.add(pane);
stage.add(taskBar, BorderLayout.SOUTH);
frame.getContentPane().add(stage);
windowClosing( e ) {
bsh.system.desktop = null;
shutdown();
}
frame.iconImage=bsh.system.icons.bean.image;
frame.addWindowListener( this );
/*
If available, add a listener for classpath mapping
I'm planning to implement a GUI progress indicator here
if ( Capabilities.canGenerateInterfaces() )
{
import bsh.classpath.BshClassPath;
classFeedbackListener = new BshClassPath.MappingFeedback()
{
startClassMapping() { }
classMapping( msg ) { }
errorWhileMapping( msg ) { }
endClassMapping() { }
};
BshClassPath.addMappingFeedback( classFeedbackListener );
}
*/
// start one terminal
workSpace=makeWorkspace( ""+windowCount++ );
frame.setSize(800,600);
frame.show();
Util.endSplashScreen();
frame.toFront();
workSpace.frame.selected=true;
}