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); } }