/**
* Creates the menu at the top of the shell where most of the programs functionality is accessed.
*
* @return The <code>Menu</code> widget that was created
*/
private Menu createMenuBar() {
Menu menuBar = new Menu(shell, SWT.BAR);
shell.setMenuBar(menuBar);
// create each header and subMenu for the menuBar
createFileMenu(menuBar);
createEditMenu(menuBar);
createSearchMenu(menuBar);
createHelpMenu(menuBar);
return menuBar;
}
public static void main(String[] args) {
Display display = new Display();
final Shell shell = new Shell(display);
shell.setText("Text Editor");
Menu bar = new Menu(shell, SWT.BAR);
shell.setMenuBar(bar);
MenuItem fileItem = new MenuItem(bar, SWT.CASCADE);
fileItem.setText("&File");
Menu fileMenu = new Menu(shell, SWT.DROP_DOWN);
fileItem.setMenu(fileMenu);
MenuItem saveItem = new MenuItem(fileMenu, SWT.PUSH);
saveItem.setText("&Save\tCtrl+S");
saveItem.setAccelerator(SWT.MOD1 + 'S');
saveItem.addListener(SWT.Selection, e -> shell.setModified(false));
MenuItem exitItem = new MenuItem(fileMenu, SWT.PUSH);
exitItem.setText("Exit");
exitItem.addListener(SWT.Selection, e -> shell.close());
Text text = new Text(shell, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
text.addListener(SWT.Modify, e -> shell.setModified(true));
shell.addListener(
SWT.Close,
e -> {
if (shell.getModified()) {
MessageBox box = new MessageBox(shell, SWT.PRIMARY_MODAL | SWT.OK | SWT.CANCEL);
box.setText(shell.getText());
box.setMessage("You have unsaved changes, do you want to exit?");
e.doit = box.open() == SWT.OK;
}
});
shell.setLayout(new FillLayout());
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) display.sleep();
}
display.dispose();
}
/** Initialize the drop-down menus in the appropriate area of the window */
public void initMenu() {
Menu menuBar = new Menu(shell, SWT.BAR);
MenuItem cascadeFileMenu = new MenuItem(menuBar, SWT.CASCADE);
cascadeFileMenu.setText("&File");
MenuItem cascadeAnimMenu = new MenuItem(menuBar, SWT.CASCADE);
cascadeAnimMenu.setText("&Animation");
// file menu
Menu fileMenu = new Menu(shell, SWT.DROP_DOWN);
cascadeFileMenu.setMenu(fileMenu);
MenuItem exitItem = new MenuItem(fileMenu, SWT.PUSH);
exitItem.setText("&Exit");
MenuItem openGraphItem = new MenuItem(fileMenu, SWT.PUSH);
openGraphItem.setText("Open &Graph");
MenuItem openAnimationItem = new MenuItem(fileMenu, SWT.PUSH);
openAnimationItem.setText("Open &Animation");
// temporary animation menu
Menu animMenu = new Menu(shell, SWT.DROP_DOWN);
cascadeAnimMenu.setMenu(animMenu);
MenuItem DFSItem = new MenuItem(animMenu, SWT.PUSH);
DFSItem.setText("Depth First Search");
// add the menubar to the shell
shell.setMenuBar(menuBar);
// actions for the menu items
exitItem.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
shell.getDisplay().dispose();
System.exit(0);
}
});
openGraphItem.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
FileDialog dialog = new FileDialog(shell, SWT.NULL);
String path = dialog.open();
controller.LoadGraph(path);
}
});
openAnimationItem.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
FileDialog dialog = new FileDialog(shell, SWT.NULL);
String path = dialog.open();
controller.LoadAnimation(path);
}
});
DFSItem.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
controller.LoadDFSAnimation();
}
});
}
public static void main(String[] args) {
Shell shell = new Shell();
Display display = shell.getDisplay();
shell.setLayout(new FillLayout());
shell.setText("ExpandBar Example");
Menu menubar = new Menu(shell, SWT.BAR);
shell.setMenuBar(menubar);
MenuItem fileItem = new MenuItem(menubar, SWT.CASCADE);
fileItem.setText("&File");
Menu submenu = new Menu(shell, SWT.DROP_DOWN);
fileItem.setMenu(submenu);
item = new MenuItem(submenu, SWT.PUSH);
item.setText("New ExpandItem");
bar = new ExpandBar(shell, SWT.V_SCROLL);
image = display.getSystemImage(SWT.ICON_QUESTION);
// First item
Composite composite = new Composite(bar, SWT.NONE);
Menu popupmenu = new Menu(shell, SWT.POP_UP);
MenuItem popupItem = new MenuItem(popupmenu, SWT.PUSH);
popupItem.setText("Popup");
composite.setMenu(popupmenu);
GridLayout layout = new GridLayout(2, false);
layout.marginLeft = layout.marginTop = layout.marginRight = layout.marginBottom = 10;
layout.verticalSpacing = 10;
composite.setLayout(layout);
Label label = new Label(composite, SWT.NONE);
label.setImage(display.getSystemImage(SWT.ICON_ERROR));
label = new Label(composite, SWT.NONE);
label.setText("SWT.ICON_ERROR");
label = new Label(composite, SWT.NONE);
label.setImage(display.getSystemImage(SWT.ICON_INFORMATION));
label = new Label(composite, SWT.NONE);
label.setText("SWT.ICON_INFORMATION");
label = new Label(composite, SWT.NONE);
label.setImage(display.getSystemImage(SWT.ICON_WARNING));
label = new Label(composite, SWT.NONE);
label.setText("SWT.ICON_WARNING");
label = new Label(composite, SWT.NONE);
label.setImage(display.getSystemImage(SWT.ICON_QUESTION));
label = new Label(composite, SWT.NONE);
label.setText("SWT.ICON_QUESTION");
ExpandItem item1 = new ExpandItem(bar, SWT.NONE);
item1.setText("What is your favorite icon");
item1.setHeight(composite.computeSize(SWT.DEFAULT, SWT.DEFAULT).y);
item1.setControl(composite);
item1.setImage(image);
// Second item
composite = new Composite(bar, SWT.NONE);
layout = new GridLayout(2, true);
layout.marginLeft = layout.marginTop = layout.marginRight = layout.marginBottom = 10;
layout.verticalSpacing = 10;
composite.setLayout(layout);
Button button1 = new Button(composite, SWT.PUSH);
button1.setText("Button 1");
Button button2 = new Button(composite, SWT.PUSH);
button2.setText("Button 2");
ExpandItem item0 = new ExpandItem(bar, SWT.NONE);
item0.setText("What is your favorite button");
item0.setHeight(composite.computeSize(SWT.DEFAULT, SWT.DEFAULT).y);
item0.setControl(composite);
item0.setImage(image);
item0.setExpanded(false);
item.addListener(
SWT.Selection,
new Listener() {
@Override
public void handleEvent(Event e) {
ExpandItem item2 = new ExpandItem(bar, SWT.NONE);
Composite composite = new Composite(bar, SWT.NONE);
GridLayout layout = new GridLayout(2, false);
composite.setLayout(layout);
Label label = new Label(composite, SWT.NONE);
label.setText("What is your name?");
Composite pcomposite = new Composite(composite, SWT.NONE);
Text text = new Text(pcomposite, SWT.NONE);
item2.setText("New Question");
text.pack();
composite.pack();
Point size = composite.computeSize(SWT.DEFAULT, SWT.DEFAULT);
item2.setHeight(size.y);
item2.setControl(composite);
item2.setImage(image);
item2.setExpanded(true);
}
});
bar.setSpacing(8);
shell.setSize(400, 550);
shell.open();
System.out.println("------------------------------");
System.out.println("getSize: " + button1.getSize());
System.out.println("getBounds: " + button1.getBounds());
System.out.println("computeSize: " + button1.computeSize(SWT.DEFAULT, SWT.DEFAULT));
System.out.println("getLocation: " + button1.getLocation());
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
image.dispose();
display.dispose();
}