protected void executePictogramHandler(final Pictogram pictogram, MouseEvent mouseEvent) {
final IHandler handler = pictogram.getHandler();
final ExecutionEvent executionEvent = createExecutionEvent(mouseEvent);
if (pictogram.getHandlerContextValidator().isValidContext(executionEvent)) {
try {
handler.execute(executionEvent);
} catch (final ExecutionException e) {
e.printStackTrace();
}
}
}
/** {@inheritDoc} */
@Override
public void widgetSelected(SelectionEvent event) {
IHandler handler;
if (isShow) {
handler = new NodeChildrenShowHandler();
} else {
handler = new NodeChildrenHideHandler();
}
try {
handler.execute(null);
} catch (Exception e) {
e.printStackTrace();
}
}
private void addSave(IMenuManager menu) {
ICommandService commandService =
(ICommandService) fContainer.getWorkbenchPart().getSite().getService(ICommandService.class);
final Command command = commandService.getCommand(IWorkbenchCommandConstants.FILE_SAVE);
final IHandler handler = command.getHandler();
if (handler != null) {
if (fSaveContributionItem == null) {
fSaveContributionItem =
new CommandContributionItem(
new CommandContributionItemParameter(
fContainer.getWorkbenchPart().getSite(),
null,
command.getId(),
CommandContributionItem.STYLE_PUSH));
}
// save is an editable dependent action, ie add only when edit
// is possible
if (handler.isHandled() && getSourceViewer().isEditable()) menu.add(fSaveContributionItem);
}
}