Mega Code Archive
Creates a tabbed display with four tabs and a few controls
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//Send questions, comments, bug reports, etc. to the authors:
//Rob Warner (rwarner@interspatial.com)
//Robert Harris (rbrt_harris@yahoo.com)
import java.io.*;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.*;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
/**
* Creates a tabbed display with four tabs, and a few controls on each page
*/
public class TabComplex {
private static final String IMAGE_PATH = "images"
+ System.getProperty("file.separator");
private Image circle;
private Image square;
private Image triangle;
private Image star;
/**
* Runs the application
*/
public void run() {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
shell.setText("Complex Tabs");
createImages(shell);
createContents(shell);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
/**
* Creates the contents
*
* @param shell the parent shell
*/
private void createContents(Shell shell) {
// Create the containing tab folder
final TabFolder tabFolder = new TabFolder(shell, SWT.NONE);
// Create each tab and set its text, tool tip text,
// image, and control
TabItem one = new TabItem(tabFolder, SWT.NONE);
one.setText("one");
one.setToolTipText("This is tab one");
one.setImage(circle);
one.setControl(getTabOneControl(tabFolder));
TabItem two = new TabItem(tabFolder, SWT.NONE);
two.setText("two");
two.setToolTipText("This is tab two");
two.setImage(square);
two.setControl(getTabTwoControl(tabFolder));
TabItem three = new TabItem(tabFolder, SWT.NONE);
three.setText("three");
three.setToolTipText("This is tab three");
three.setImage(triangle);
three.setControl(getTabThreeControl(tabFolder));
TabItem four = new TabItem(tabFolder, SWT.NONE);
four.setText("four");
four.setToolTipText("This is tab four");
four.setImage(star);
// Select the third tab (index is zero-based)
tabFolder.setSelection(2);
// Add an event listener to write the selected tab to stdout
tabFolder.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(org.eclipse.swt.events.SelectionEvent event) {
System.out.println(tabFolder.getSelection()[0].getText() + " selected");
}
});
}
/**
* Creates the images
*
* @param shell the parent shell
*/
private void createImages(Shell shell) {
try {
circle = new Image(shell.getDisplay(), new FileInputStream(IMAGE_PATH
+ "circle.gif"));
square = new Image(shell.getDisplay(), new FileInputStream(IMAGE_PATH
+ "square.gif"));
star = new Image(shell.getDisplay(), new FileInputStream(IMAGE_PATH
+ "star.gif"));
triangle = new Image(shell.getDisplay(), new FileInputStream(IMAGE_PATH
+ "triangle.gif"));
} catch (IOException e) {
// Images not found; handle gracefully
}
}
/**
* Disposes the images
*/
private void disposeImages() {
if (circle != null)
circle.dispose();
if (square != null)
square.dispose();
if (star != null)
star.dispose();
if (triangle != null)
triangle.dispose();
}
/**
* Gets the control for tab one
*
* @param tabFolder the parent tab folder
* @return Control
*/
private Control getTabOneControl(TabFolder tabFolder) {
// Create a composite and add four buttons to it
Composite composite = new Composite(tabFolder, SWT.NONE);
composite.setLayout(new FillLayout(SWT.VERTICAL));
new Button(composite, SWT.PUSH).setText("Button one");
new Button(composite, SWT.PUSH).setText("Button two");
new Button(composite, SWT.PUSH).setText("Button three");
new Button(composite, SWT.PUSH).setText("Button four");
return composite;
}
/**
* Gets the control for tab two
*
* @param tabFolder the parent tab folder
* @return Control
*/
private Control getTabTwoControl(TabFolder tabFolder) {
// Create a multi-line text field
return new Text(tabFolder, SWT.BORDER | SWT.MULTI | SWT.WRAP);
}
/**
* Gets the control for tab three
*
* @param tabFolder the parent tab folder
* @return Control
*/
private Control getTabThreeControl(TabFolder tabFolder) {
// Create some labels and text fields
Composite composite = new Composite(tabFolder, SWT.NONE);
composite.setLayout(new RowLayout());
new Label(composite, SWT.LEFT).setText("Label One:");
new Text(composite, SWT.BORDER);
new Label(composite, SWT.RIGHT).setText("Label Two:");
new Text(composite, SWT.BORDER);
return composite;
}
/**
* The entry point for the application
*
* @param args the command line arguments
*/
public static void main(String[] args) {
new TabComplex().run();
}
}
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