/** Method to create the menu bar, menus, and menu items */
private void setUpMenuBar() {
// create menu
menuBar = new JMenuBar();
zoomMenu = new JMenu("Zoom");
twentyFive = new JMenuItem("25%");
fifty = new JMenuItem("50%");
seventyFive = new JMenuItem("75%");
hundred = new JMenuItem("100%");
hundred.setEnabled(false);
hundredFifty = new JMenuItem("150%");
twoHundred = new JMenuItem("200%");
fiveHundred = new JMenuItem("500%");
// add the action listeners
twentyFive.addActionListener(this);
fifty.addActionListener(this);
seventyFive.addActionListener(this);
hundred.addActionListener(this);
hundredFifty.addActionListener(this);
twoHundred.addActionListener(this);
fiveHundred.addActionListener(this);
// add the menu items to the menus
zoomMenu.add(twentyFive);
zoomMenu.add(fifty);
zoomMenu.add(seventyFive);
zoomMenu.add(hundred);
zoomMenu.add(hundredFifty);
zoomMenu.add(twoHundred);
zoomMenu.add(fiveHundred);
menuBar.add(zoomMenu);
// set the menu bar to this menu
pictureFrame.setJMenuBar(menuBar);
}
void initControls() {
JMenuItem jmi;
jmi = new JMenuItem("JImage Menu");
jmi.setEnabled(false);
popupMenu.add(jmi);
jmi = new JMenuItem("Fit");
jmi.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
fit = true;
repaint();
}
});
popupMenu.add(jmi);
JMenu scaleMenu = new JMenu("Set Scale");
popupMenu.add(scaleMenu);
int scales[] = new int[] {25, 50, 100, 200, 400, 800};
for (int i = 0; i < scales.length; i++) {
jmi = new JMenuItem(scales[i] + " %");
jmi.addActionListener(new ScaleAction(scales[i]));
scaleMenu.add(jmi);
}
MyListener l = new MyListener();
addMouseMotionListener(l);
addMouseListener(l);
addMouseWheelListener(l);
addKeyListener(l);
}
/** Method to enable all menu commands */
private void enableZoomItems() {
twentyFive.setEnabled(true);
fifty.setEnabled(true);
seventyFive.setEnabled(true);
hundred.setEnabled(true);
hundredFifty.setEnabled(true);
twoHundred.setEnabled(true);
fiveHundred.setEnabled(true);
}
/**
* Controls the zoom menu bar
*
* @param a the ActionEvent
*/
public void actionPerformed(ActionEvent a) {
if (a.getActionCommand().equals("Update")) {
this.repaint();
}
if (a.getActionCommand().equals("25%")) {
this.zoom(.25);
enableZoomItems();
twentyFive.setEnabled(false);
}
if (a.getActionCommand().equals("50%")) {
this.zoom(.50);
enableZoomItems();
fifty.setEnabled(false);
}
if (a.getActionCommand().equals("75%")) {
this.zoom(.75);
enableZoomItems();
seventyFive.setEnabled(false);
}
if (a.getActionCommand().equals("100%")) {
this.zoom(1.0);
enableZoomItems();
hundred.setEnabled(false);
}
if (a.getActionCommand().equals("150%")) {
this.zoom(1.5);
enableZoomItems();
hundredFifty.setEnabled(false);
}
if (a.getActionCommand().equals("200%")) {
this.zoom(2.0);
enableZoomItems();
twoHundred.setEnabled(false);
}
if (a.getActionCommand().equals("500%")) {
this.zoom(5.0);
enableZoomItems();
fiveHundred.setEnabled(false);
}
}