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| /** This source code taken from :
* http://www.eclipse.org/articles/article.php?file=Article-Understanding-Layouts/index.html
*
* @author Martinus Ady H <mrt.itnewbies@gmail.com>
*/
public class Main {
Text dogName;
Combo dogBreed;
Canvas dogPhoto;
Image dogImage;
List categories;
Text ownerName;
Text ownerPhone;
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Main().createShell(display);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
}
public Shell createShell(final Display display) {
final Shell shell = new Shell(display);
shell.setText("SWT Form Example");
GridLayout gridLayout = new GridLayout();
gridLayout.numColumns = 3;
shell.setLayout(gridLayout);
new Label(shell, SWT.NONE).setText("Dog's Name:");
dogName = new Text(shell, SWT.SINGLE | SWT.BORDER);
GridData gridData = new GridData(GridData.FILL, GridData.CENTER, true, false);
gridData.horizontalSpan = 2;
dogName.setLayoutData(gridData);
new Label(shell, SWT.NONE).setText("Breed:");
dogBreed = new Combo(shell, SWT.NONE);
dogBreed.setItems(new String[]{"Collie", "Pitbull", "Poodle",
"Scottie", "Black Lab"});
dogBreed.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));
Label label = new Label(shell, SWT.NONE);
label.setText("Categories");
label.setLayoutData(new GridData(GridData.CENTER, GridData.CENTER, true, false));
new Label(shell, SWT.NONE).setText("Photo:");
dogPhoto = new Canvas(shell, SWT.BORDER);
gridData = new GridData(GridData.FILL, GridData.FILL, true, true);
gridData.widthHint = 80;
gridData.heightHint = 80;
gridData.verticalSpan = 3;
dogPhoto.setLayoutData(gridData);
dogPhoto.addPaintListener(new PaintListener() {
public void paintControl(final PaintEvent event) {
if (dogImage != null) {
event.gc.drawImage(dogImage, 0, 0);
}
}
});
categories = new List(shell, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL);
categories.setItems(new String[]{"Best of Breed", "Prettiest Female",
"Handsomest Male", "Best Dressed", "Fluffiest Ears",
"Most Colors", "Best Performer", "Loudest Bark",
"Best Behaved", "Prettiest Eyes", "Most Hair", "Longest Tail",
"Cutest Trick"});
gridData = new GridData(GridData.FILL, GridData.FILL, true, true);
gridData.verticalSpan = 4;
int listHeight = categories.getItemHeight() * 12;
Rectangle trim = categories.computeTrim(0, 0, 0, listHeight);
gridData.heightHint = trim.height;
categories.setLayoutData(gridData);
Button browse = new Button(shell, SWT.PUSH);
browse.setText("Browse...");
gridData = new GridData(GridData.FILL, GridData.CENTER, true, false);
gridData.horizontalIndent = 5;
browse.setLayoutData(gridData);
browse.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
String fileName = new FileDialog(shell).open();
if (fileName != null) {
dogImage = new Image(display, fileName);
}
}
});
Button delete = new Button(shell, SWT.PUSH);
delete.setText("Delete");
gridData = new GridData(GridData.FILL, GridData.BEGINNING, true, false);
gridData.horizontalIndent = 5;
delete.setLayoutData(gridData);
delete.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
if (dogImage != null) {
dogImage.dispose();
dogImage = null;
dogPhoto.redraw();
}
}
});
Group ownerInfo = new Group(shell, SWT.NONE);
ownerInfo.setText("Owner Info");
gridLayout = new GridLayout();
gridLayout.numColumns = 2;
ownerInfo.setLayout(gridLayout);
gridData = new GridData(GridData.FILL, GridData.CENTER, true, false);
gridData.horizontalSpan = 2;
ownerInfo.setLayoutData(gridData);
new Label(ownerInfo, SWT.NONE).setText("Name:");
ownerName = new Text(ownerInfo, SWT.SINGLE | SWT.BORDER);
ownerName.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));
new Label(ownerInfo, SWT.NONE).setText("Phone:");
ownerPhone = new Text(ownerInfo, SWT.SINGLE | SWT.BORDER);
ownerPhone.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));
Button enter = new Button(shell, SWT.PUSH);
enter.setText("Enter");
gridData = new GridData(GridData.END, GridData.CENTER, false, false);
gridData.horizontalSpan = 3;
enter.setLayoutData(gridData);
enter.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
System.out.println("\nDog Name: " + dogName.getText());
System.out.println("Dog Breed: " + dogBreed.getText());
System.out.println("Owner Name: " + ownerName.getText());
System.out.println("Owner Phone: " + ownerPhone.getText());
System.out.println("Categories:");
String cats[] = categories.getSelection();
for (int i = 0; i > cats.length; i++) {
System.out.println("\t" + cats[i]);
}
}
});
shell.addDisposeListener(new DisposeListener() {
public void widgetDisposed(DisposeEvent arg0) {
if (dogImage != null) {
dogImage.dispose();
dogImage = null;
}
}
});
shell.pack();
return shell;
}
}
|
Sedangkan potongan kode-nya untuk contoh form diatas adalah sebagai berikut :
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