/* 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.util;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Point;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.util.ArrayList;
import javax.swing.ButtonGroup;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.KeyStroke;
public class WindowMenu extends JMenu {
private class MyListener implements LocaleListener, ActionListener {
public void localeChanged() {
WindowMenu.this.setText(Strings.get("windowMenu"));
minimize.setText(Strings.get("windowMinimizeItem"));
close.setText(Strings.get("windowCloseItem"));
zoom.setText(MacCompatibility.isQuitAutomaticallyPresent() ?
Strings.get("windowZoomItemMac") : Strings.get("windowZoomItem"));
}
public void actionPerformed(ActionEvent e) {
Object src = e.getSource();
if (src == minimize) {
doMinimize();
} else if (src == zoom) {
doZoom();
} else if (src == close) {
doClose();
} else if (src instanceof WindowMenuItem) {
WindowMenuItem choice = (WindowMenuItem) src;
if (choice.isSelected()) {
WindowMenuItem item = findOwnerItem();
if (item != null) {
item.setSelected(true);
}
choice.actionPerformed(e);
}
}
}
private WindowMenuItem findOwnerItem() {
for (WindowMenuItem i : persistentItems) {
if (i.getJFrame() == owner) return i;
}
for (WindowMenuItem i : transientItems) {
if (i.getJFrame() == owner) return i;
}
return null;
}
}
private JFrame owner;
private MyListener myListener = new MyListener();
private JMenuItem minimize = new JMenuItem();
private JMenuItem zoom = new JMenuItem();
private JMenuItem close = new JMenuItem();
private JRadioButtonMenuItem nullItem = new JRadioButtonMenuItem();
private ArrayList<WindowMenuItem> persistentItems = new ArrayList<WindowMenuItem>();
private ArrayList<WindowMenuItem> transientItems = new ArrayList<WindowMenuItem>();
public WindowMenu(JFrame owner) {
this.owner = owner;
WindowMenuManager.addMenu(this);
int menuMask = getToolkit().getMenuShortcutKeyMask();
minimize.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_M, menuMask));
close.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_W, menuMask));
if (owner == null) {
minimize.setEnabled(false);
zoom.setEnabled(false);
close.setEnabled(false);
} else {
minimize.addActionListener(myListener);
zoom.addActionListener(myListener);
close.addActionListener(myListener);
}
computeEnabled();
computeContents();
LocaleManager.addLocaleListener(myListener);
myListener.localeChanged();
}
void addMenuItem(Object source, WindowMenuItem item, boolean persistent) {
if (persistent) persistentItems.add(item);
else transientItems.add(item);
item.addActionListener(myListener);
computeContents();
}
void removeMenuItem(Object source, JRadioButtonMenuItem item) {
if (transientItems.remove(item)) {
item.removeActionListener(myListener);
}
computeContents();
}
void computeEnabled() {
WindowMenuItemManager currentManager = WindowMenuManager.getCurrentManager();
minimize.setEnabled(currentManager != null);
zoom.setEnabled(currentManager != null);
close.setEnabled(currentManager != null);
}
void setNullItemSelected(boolean value) {
nullItem.setSelected(value);
}
private void computeContents() {
ButtonGroup bgroup = new ButtonGroup();
bgroup.add(nullItem);
removeAll();
add(minimize);
add(zoom);
add(close);
if (!persistentItems.isEmpty()) {
addSeparator();
for (JRadioButtonMenuItem item : persistentItems) {
bgroup.add(item);
add(item);
}
}
if (!transientItems.isEmpty()) {
addSeparator();
for (JRadioButtonMenuItem item : transientItems) {
bgroup.add(item);
add(item);
}
}
WindowMenuItemManager currentManager = WindowMenuManager.getCurrentManager();
if (currentManager != null) {
JRadioButtonMenuItem item = currentManager.getMenuItem(this);
if (item != null) {
item.setSelected(true);
}
}
}
void doMinimize() {
if (owner != null) {
owner.setExtendedState(Frame.ICONIFIED);
}
}
void doClose() {
if (owner instanceof WindowClosable) {
((WindowClosable) owner).requestClose();
} else if (owner != null) {
int action = owner.getDefaultCloseOperation();
if (action == JFrame.EXIT_ON_CLOSE) {
System.exit(0);
} else if (action == JFrame.HIDE_ON_CLOSE) {
owner.setVisible(false);
} else if (action == JFrame.DISPOSE_ON_CLOSE) {
owner.dispose();
}
}
}
void doZoom() {
if (owner == null) return;
owner.pack();
Dimension screenSize = owner.getToolkit().getScreenSize();
Dimension windowSize = owner.getPreferredSize();
Point windowLoc = owner.getLocation();
boolean locChanged = false;
boolean sizeChanged = false;
if (windowLoc.x + windowSize.width > screenSize.width) {
windowLoc.x = Math.max(0, screenSize.width - windowSize.width);
locChanged = true;
if (windowLoc.x + windowSize.width > screenSize.width) {
windowSize.width = screenSize.width - windowLoc.x;
sizeChanged = true;
}
}
if (windowLoc.y + windowSize.height > screenSize.height) {
windowLoc.y = Math.max(0, screenSize.height - windowSize.height);
locChanged = true;
if (windowLoc.y + windowSize.height > screenSize.height) {
windowSize.height = screenSize.height - windowLoc.y;
sizeChanged = true;
}
}
if (locChanged) owner.setLocation(windowLoc);
if (sizeChanged) owner.setSize(windowSize);
}
}