/* Copyright (c) 2010, Carl Burch. License information is located in the
* com.cburch.logisim.Main source code and at www.cburch.com/logisim/. */
package com.cburch.logisim.gui.menu;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import javax.swing.JMenuItem;
import javax.swing.KeyStroke;
import com.cburch.logisim.proj.Action;
import com.cburch.logisim.proj.Project;
import com.cburch.logisim.proj.ProjectEvent;
import com.cburch.logisim.proj.ProjectListener;
import static com.cburch.logisim.util.LocaleString.*;
@SuppressWarnings("serial")
class MenuEdit extends Menu {
private class MyListener implements ProjectListener, ActionListener {
@Override
public void projectChanged(ProjectEvent e) {
Project proj = menubar.getProject();
Action last = proj == null ? null : proj.getLastAction();
if( last == null )
{
undo.setText( getFromLocale( "editCantUndoItem" ) );
undo.setEnabled( false );
}
else
{
undo.setText( getFromLocale( "editUndoItem", last.getName() ) );
undo.setEnabled( true );
}
// If there is a project open...
if( proj != null )
// And you CAN redo an undo...
if( proj.getCanRedo() )
{
// Get that action
Action lastRedo = proj.getLastRedoAction();
// Set the detailed, localized text
redo.setText( getFromLocale( "editRedoItem", lastRedo.getName() ) );
// Set it to enabled
redo.setEnabled( true );
}
else
{ // If there is no project...
// Let them know they can't redo anything
redo.setText( getFromLocale( "editCantRedoItem" ) );
// And disable the button
redo.setEnabled( false );
}
}
@Override
public void actionPerformed(ActionEvent e) {
Object src = e.getSource();
Project proj = menubar.getProject();
if( src == undo )
{
if( proj != null )
proj.undoAction();
}
else if( src == redo )
{
if (proj != null )
proj.redoAction();
}
}
}
private LogisimMenuBar menubar;
private JMenuItem undo = new JMenuItem();
private JMenuItem redo = new JMenuItem();
private MenuItemImpl cut = new MenuItemImpl(this, LogisimMenuBar.CUT);
private MenuItemImpl copy = new MenuItemImpl(this, LogisimMenuBar.COPY);
private MenuItemImpl paste = new MenuItemImpl(this, LogisimMenuBar.PASTE);
private MenuItemImpl delete = new MenuItemImpl(this, LogisimMenuBar.DELETE);
private MenuItemImpl dup = new MenuItemImpl(this, LogisimMenuBar.DUPLICATE);
private MenuItemImpl selall = new MenuItemImpl(this, LogisimMenuBar.SELECT_ALL);
private MenuItemImpl raise = new MenuItemImpl(this, LogisimMenuBar.RAISE);
private MenuItemImpl lower = new MenuItemImpl(this, LogisimMenuBar.LOWER);
private MenuItemImpl raiseTop = new MenuItemImpl(this, LogisimMenuBar.RAISE_TOP);
private MenuItemImpl lowerBottom = new MenuItemImpl(this, LogisimMenuBar.LOWER_BOTTOM);
private MenuItemImpl addCtrl = new MenuItemImpl(this, LogisimMenuBar.ADD_CONTROL);
private MenuItemImpl remCtrl = new MenuItemImpl(this, LogisimMenuBar.REMOVE_CONTROL);
private MyListener myListener = new MyListener();
public MenuEdit(LogisimMenuBar menubar) {
this.menubar = menubar;
int menuMask = getToolkit().getMenuShortcutKeyMask();
undo.setAccelerator(KeyStroke.getKeyStroke(
KeyEvent.VK_Z, menuMask));
redo.setAccelerator(KeyStroke.getKeyStroke(
KeyEvent.VK_Y, menuMask));
cut.setAccelerator(KeyStroke.getKeyStroke(
KeyEvent.VK_X, menuMask));
copy.setAccelerator(KeyStroke.getKeyStroke(
KeyEvent.VK_C, menuMask));
paste.setAccelerator(KeyStroke.getKeyStroke(
KeyEvent.VK_V, menuMask));
delete.setAccelerator(KeyStroke.getKeyStroke(
KeyEvent.VK_DELETE, 0));
dup.setAccelerator(KeyStroke.getKeyStroke(
KeyEvent.VK_D, menuMask));
selall.setAccelerator(KeyStroke.getKeyStroke(
KeyEvent.VK_A, menuMask));
raise.setAccelerator(KeyStroke.getKeyStroke(
KeyEvent.VK_UP, menuMask));
lower.setAccelerator(KeyStroke.getKeyStroke(
KeyEvent.VK_DOWN, menuMask));
raiseTop.setAccelerator(KeyStroke.getKeyStroke(
KeyEvent.VK_UP, menuMask | InputEvent.SHIFT_DOWN_MASK));
lowerBottom.setAccelerator(KeyStroke.getKeyStroke(
KeyEvent.VK_DOWN, menuMask | InputEvent.SHIFT_DOWN_MASK));
add(undo);
add(redo);
addSeparator();
add(cut);
add(copy);
add(paste);
addSeparator();
add(delete);
add(dup);
add(selall);
addSeparator();
add(raise);
add(lower);
add(raiseTop);
add(lowerBottom);
addSeparator();
add(addCtrl);
add(remCtrl);
Project proj = menubar.getProject();
if (proj != null) {
proj.addProjectListener(myListener);
undo.addActionListener(myListener);
redo.addActionListener( myListener );
}
undo.setEnabled(false);
redo.setEnabled(false);
menubar.registerItem(LogisimMenuBar.CUT, cut);
menubar.registerItem(LogisimMenuBar.COPY, copy);
menubar.registerItem(LogisimMenuBar.PASTE, paste);
menubar.registerItem(LogisimMenuBar.DELETE, delete);
menubar.registerItem(LogisimMenuBar.DUPLICATE, dup);
menubar.registerItem(LogisimMenuBar.SELECT_ALL, selall);
menubar.registerItem(LogisimMenuBar.RAISE, raise);
menubar.registerItem(LogisimMenuBar.LOWER, lower);
menubar.registerItem(LogisimMenuBar.RAISE_TOP, raiseTop);
menubar.registerItem(LogisimMenuBar.LOWER_BOTTOM, lowerBottom);
menubar.registerItem(LogisimMenuBar.ADD_CONTROL, addCtrl);
menubar.registerItem(LogisimMenuBar.REMOVE_CONTROL, remCtrl);
computeEnabled();
}
public void localeChanged() {
this.setText(getFromLocale("editMenu"));
myListener.projectChanged(null);
cut.setText(getFromLocale("editCutItem"));
copy.setText(getFromLocale("editCopyItem"));
paste.setText(getFromLocale("editPasteItem"));
delete.setText(getFromLocale("editClearItem"));
dup.setText(getFromLocale("editDuplicateItem"));
selall.setText(getFromLocale("editSelectAllItem"));
raise.setText(getFromLocale("editRaiseItem"));
lower.setText(getFromLocale("editLowerItem"));
raiseTop.setText(getFromLocale("editRaiseTopItem"));
lowerBottom.setText(getFromLocale("editLowerBottomItem"));
addCtrl.setText(getFromLocale("editAddControlItem"));
remCtrl.setText(getFromLocale("editRemoveControlItem"));
}
@Override
void computeEnabled() {
setEnabled(menubar.getProject() != null
|| cut.hasListeners()
|| copy.hasListeners()
|| paste.hasListeners()
|| delete.hasListeners()
|| dup.hasListeners()
|| selall.hasListeners()
|| raise.hasListeners()
|| lower.hasListeners()
|| raiseTop.hasListeners()
|| lowerBottom.hasListeners()
|| addCtrl.hasListeners()
|| remCtrl.hasListeners());
}
}