Mega Code Archive
Demonstrates ControlEditor
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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 org.eclipse.swt.SWT;
import org.eclipse.swt.custom.*;
import org.eclipse.swt.events.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.*;
/**
* This class demonstrates ControlEditor
*/
public class ControlEditorTestTwo {
private Color color;
/**
* Runs the application
*/
public void run() {
Display display = new Display();
Shell shell = new Shell(display);
shell.setText("Control Editor Two");
createContents(shell);
shell.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
if (color != null) color.dispose();
display.dispose();
}
/**
* Creates the main window's contents
*
* @param shell the main window
*/
private void createContents(final Shell shell) {
color = new Color(shell.getDisplay(), 255, 0, 0);
// Create a composite that will be the parent of the editor
final Composite composite = new Composite(shell, SWT.NONE);
composite.setBackground(color);
composite.setBounds(0, 0, 300, 100);
// Create the editor
ControlEditor editor = new ControlEditor(composite);
// Create the control associated with the editor
Button button = new Button(composite, SWT.PUSH);
button.setText("Change Color...");
button.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
ColorDialog dialog = new ColorDialog(shell);
if (color != null) dialog.setRGB(color.getRGB());
RGB rgb = dialog.open();
if (rgb != null) {
if (color != null) color.dispose();
color = new Color(shell.getDisplay(), rgb);
composite.setBackground(color);
}
}
});
// Place the editor along the bottom of the parent composite
editor.grabHorizontal = true;
editor.verticalAlignment = SWT.BOTTOM;
Point size = button.computeSize(SWT.DEFAULT, SWT.DEFAULT);
editor.minimumHeight = size.y;
editor.setEditor(button);
}
/**
* The application entry point
*
* @param args the command line arguments
*/
public static void main(String[] args) {
new ControlEditorTestTwo().run();
}
}
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