正在阅读：Eclipse3.0的swt编程Eclipse3.0的swt编程

public static void main(String[] args) {
AddressBookUI window = new AddressBookUI();
window.open();
}
public void open() {
final Display display = new Display();
shell = new Shell();
shell.setSize(610, 477);
shell.setText("Address Book");
{
newButton = new Button(shell, SWT.NONE);
newButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
clearText();
setTextEditable(true);
enableEditButtons(false);
enableSaveButtons(true);

System.out.println("New button selected.");
}
});
newButton.setBounds(10, 380, 75, 35);
newButton.setText("New");
}
{
deleteButton = new Button(shell, SWT.NONE);
deleteButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
clearText();

System.out.println("Delete button selected.");
}
});
deleteButton.setBounds(85, 380, 75, 35);
deleteButton.setText("Delete");
}
{
editButton = new Button(shell, SWT.NONE);
editButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
setTextEditable(true);
enableEditButtons(false);
enableSaveButtons(true);

System.out.println("Edit button selected.");
}
});
editButton.setBounds(160, 380, 75, 35);
editButton.setText("Edit");
}
{
prevButton = new Button(shell, SWT.NONE);
prevButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
System.out.println("Previous button selected.");
}
});
prevButton.setBounds(265, 380, 75, 35);
prevButton.setText("Previous");
}
{
nextButton = new Button(shell, SWT.NONE);
nextButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
System.out.println("Next button selected.");
}
});
nextButton.setBounds(340, 380, 75, 35);
nextButton.setText("Next");
}
{
saveButton = new Button(shell, SWT.NONE);
saveButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
setTextEditable(false);
enableEditButtons(true);
enableSaveButtons(false);

System.out.println("Save button selected.");
}
});
saveButton.setBounds(445, 380, 75, 35);
saveButton.setText("Save");
saveButton.setEnabled(false);
}
{
cancelButton = new Button(shell, SWT.NONE);
cancelButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
setTextEditable(false);
enableEditButtons(true);
enableSaveButtons(false);

System.out.println("Cancel button selected.");
}
});
cancelButton.setBounds(520, 380, 75, 35);
cancelButton.setText("Cancel");
cancelButton.setEnabled(false);
}
{
final Group group = new Group(shell, SWT.NONE);
group.setText("Details");
group.setBounds(10, 10, 585, 355);
{
final Label label = new Label(group, SWT.NONE);
label.setBounds(10, 20, 135, 25);
label.setText("First Name:");
}
{
final Label label = new Label(group, SWT.NONE);
label.setBounds(10, 60, 135, 25);
label.setText("Last Name:");
}
{
final Label label = new Label(group, SWT.NONE);
label.setBounds(10, 100, 135, 25);
label.setText("Phone:");
}
{
final Label label = new Label(group, SWT.NONE);
label.setBounds(10, 140, 135, 25);
label.setText("Email:");
}
{
final Label label = new Label(group, SWT.NONE);
label.setBounds(10, 180, 135, 25);
label.setText("Address:");
}
{
final Label label = new Label(group, SWT.NONE);
label.setBounds(10, 255, 135, 25);
label.setText("Miscellaneous Information:");
}
{
fnameText = new Text(group, SWT.BORDER | SWT.READ_ONLY);
fnameText.setBounds(150, 15, 420, 25);
}
{
lnameText = new Text(group, SWT.BORDER | SWT.READ_ONLY);
lnameText.setBounds(150, 55, 420, 25);
}
{
phoneText = new Text(group, SWT.BORDER | SWT.READ_ONLY);
phoneText.setBounds(150, 95, 420, 25);
}
{
emailText = new Text(group, SWT.BORDER | SWT.READ_ONLY);
emailText.setBounds(150, 135, 420, 25);
}
{
addrText = new Text(group, SWT.BORDER | SWT.READ_ONLY | SWT.V_SCROLL);
addrText.setBounds(150, 175, 420, 60);
}
{
miscText = new Text(group, SWT.BORDER | SWT.READ_ONLY | SWT.V_SCROLL);
miscText.setBounds(150, 250, 420, 65);
}
}

setupMenu();

shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
}

private void setupMenu() {
//create the menu bar
Menu menu = new Menu(shell, SWT.BAR);
shell.setMenuBar(menu);
//add the File option to it
MenuItem file = new MenuItem(menu, SWT.CASCADE);
file.setText("File");
//create a menu for the File option
file.setMenu(new Menu(file));
//add MenuItems to the File menu
MenuItem prevItem = new MenuItem(new Menu(file), SWT.NONE);
prevItem.setText("Previous");

MenuItem nextItem = new MenuItem(new Menu(file), SWT.PUSH);
nextItem.setText("Next");

MenuItem seperator = new MenuItem(new Menu(file), SWT.SEPARATOR);
MenuItem quitItem = new MenuItem(new Menu(file), SWT.PUSH);
quitItem.setText("Quit");
//add listeners for the actions
prevItem.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event e) {
System.out.println("Previous menu item selected.");
}
});
nextItem.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event e) {
System.out.println("Next menu item selected.");
}
});
quitItem.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event e) {
shell.dispose();
}
});
}

private void clearText() {
fnameText.setText("");
lnameText.setText("");
phoneText.setText("");
emailText.setText("");
addrText.setText("");
miscText.setText("");
}

private void setTextEditable(boolean editable) {
fnameText.setEditable(editable);
lnameText.setEditable(editable);
phoneText.setEditable(editable);
emailText.setEditable(editable);
addrText.setEditable(editable);
miscText.setEditable(editable);
}

private void enableEditButtons(boolean enable) {
newButton.setEnabled(enable);
deleteButton.setEnabled(enable);
editButton.setEnabled(enable);
}

private void enableSaveButtons(boolean enable) {
saveButton.setEnabled(enable);
cancelButton.setEnabled(enable);
}
}