/**
* Creates a dialog used to select <i>multiple</i> values from the input tree.
*
* @param shell The parent shell for the dialog.
* @param labelProvider The label provider for the tree.
* @param contentProvider The content provider for the tree.
* @return The new dialog.
*/
private CheckedTreeSelectionDialog createCheckedTreeSelectionDialog(
Shell shell, ILabelProvider labelProvider, ITreeContentProvider contentProvider) {
// Create a custom check-state listener to update the selected elements
// on the fly.
final ICheckStateListener checkStateListener = createCheckStateListener();
CheckedTreeSelectionDialog treeDialog =
new CheckedTreeSelectionDialog(shell, labelProvider, contentProvider) {
/*
* (non-Javadoc)
* @see org.eclipse.ui.dialogs.CheckedTreeSelectionDialog#createSelectionButtons(org.eclipse.swt.widgets.Composite)
*/
@Override
protected Composite createSelectionButtons(Composite composite) {
Composite buttonComposite = super.createSelectionButtons(composite);
// Add listeners to the select-all and deselect-all buttons
// because they do not trigger the check-state listener.
getButton(IDialogConstants.SELECT_ALL_ID)
.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
newSelection.clear();
checkNode(root, true);
}
});
getButton(IDialogConstants.DESELECT_ALL_ID)
.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
newSelection.clear();
}
});
return buttonComposite;
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.dialogs.CheckedTreeSelectionDialog#createTreeViewer(org.eclipse.swt.widgets.Composite)
*/
@Override
protected CheckboxTreeViewer createTreeViewer(Composite parent) {
// Create the default TreeViewer.
CheckboxTreeViewer viewer = super.createTreeViewer(parent);
// Add the check state provider and listener.
viewer.addCheckStateListener(checkStateListener);
return viewer;
}
};
// Set this flag so the "grayed" state of parent nodes is handled
// properly.
treeDialog.setContainerMode(true);
return treeDialog;
}
