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import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.TreeEditor;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeItem;
public class TreeEditorButton {
public static void main(String[] args) {
Display display = new Display();
final Shell shell = new Shell(display);
shell.setText("Text Tree Editor");
shell.setLayout(new FillLayout());
final Tree tree = new Tree(shell, SWT.SINGLE);
for (int i = 0; i < 3; i++) {
TreeItem iItem = new TreeItem(tree, SWT.NONE);
iItem.setText("Item " + (i + 1));
for (int j = 0; j < 3; j++) {
TreeItem jItem = new TreeItem(iItem, SWT.NONE);
jItem.setText("Sub Item " + (j + 1));
for (int k = 0; k < 3; k++) {
new TreeItem(jItem, SWT.NONE).setText("Sub Sub Item " + (k + 1));
}
jItem.setExpanded(true);
}
iItem.setExpanded(true);
}
final TreeEditor editor = new TreeEditor(tree);
editor.horizontalAlignment = SWT.LEFT;
editor.grabHorizontal = true;
tree.addMouseListener(new MouseAdapter() {
public void mouseDown(MouseEvent event) {
final TreeItem item = tree.getSelection()[0];
final Button bn = new Button(tree, SWT.NONE);
bn.setText("click");
bn.setFocus();
bn.addSelectionListener(new SelectionListener() {
public void widgetSelected(SelectionEvent arg0) {
int style = SWT.ICON_QUESTION | SWT.YES | SWT.NO;
MessageBox messageBox = new MessageBox(shell, style);
messageBox.setMessage("Message");
int rc = messageBox.open();
item.setText(rc + "");
bn.dispose();
}
public void widgetDefaultSelected(SelectionEvent arg0) {
}
});
editor.setEditor(bn, item);
}
});
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
}
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