| /******************************************************************************* |
| * Copyright (c) 2000, 2011 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui.actions; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.swt.events.MenuAdapter; |
| import org.eclipse.swt.events.MenuEvent; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Menu; |
| import org.eclipse.swt.widgets.MenuItem; |
| |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.action.ActionContributionItem; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.action.IMenuManager; |
| import org.eclipse.jface.viewers.ISelection; |
| |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.ITextSelection; |
| |
| import org.eclipse.ui.IPartService; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.IWorkbenchWindowPulldownDelegate2; |
| import org.eclipse.ui.actions.RetargetAction; |
| |
| import org.eclipse.jdt.core.ITypeRoot; |
| |
| import org.eclipse.jdt.ui.JavaUI; |
| import org.eclipse.jdt.ui.actions.IJavaEditorActionDefinitionIds; |
| import org.eclipse.jdt.ui.actions.JdtActionConstants; |
| import org.eclipse.jdt.ui.actions.SelectionDispatchAction; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor; |
| import org.eclipse.jdt.internal.ui.javaeditor.JavaTextSelection; |
| |
| /** |
| * <p> |
| * This is required because of |
| * https://bugs.eclipse.org/bugs/show_bug.cgi?id=79162 |
| * and |
| * https://bugs.eclipse.org/bugs/show_bug.cgi?id=137679 |
| * </p> |
| */ |
| public class OccurrencesSearchMenuAction implements IWorkbenchWindowPulldownDelegate2 { |
| |
| private static Action NO_ACTION_AVAILABLE= new Action(ActionMessages.OccurrencesSearchMenuAction_no_entries_available) { |
| @Override |
| public boolean isEnabled() { |
| return false; |
| } |
| }; |
| |
| private Menu fMenu; |
| |
| private IPartService fPartService; |
| private RetargetAction[] fRetargetActions; |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public Menu getMenu(Menu parent) { |
| setMenu(new Menu(parent)); |
| fillMenu(fMenu); |
| initMenu(fMenu); |
| return fMenu; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public Menu getMenu(Control parent) { |
| setMenu(new Menu(parent)); |
| fillMenu(fMenu); |
| initMenu(fMenu); |
| return fMenu; |
| } |
| |
| protected void initMenu(Menu menu) { |
| menu.addMenuListener(new MenuAdapter() { |
| @Override |
| public void menuShown(MenuEvent e) { |
| Menu m= (Menu) e.widget; |
| MenuItem[] items= m.getItems(); |
| for (int i= 0; i < items.length; i++) { |
| items[i].dispose(); |
| } |
| fillMenu(m); |
| } |
| }); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void dispose() { |
| setMenu(null); |
| disposeSubmenuActions(); |
| } |
| |
| private RetargetAction createSubmenuAction(IPartService partService, String actionID, String text, String actionDefinitionId) { |
| RetargetAction action= new RetargetAction(actionID, text); |
| action.setActionDefinitionId(actionDefinitionId); |
| |
| partService.addPartListener(action); |
| IWorkbenchPart activePart = partService.getActivePart(); |
| if (activePart != null) { |
| action.partActivated(activePart); |
| } |
| return action; |
| } |
| |
| private void disposeSubmenuActions() { |
| if (fPartService != null && fRetargetActions != null) { |
| for (int i= 0; i < fRetargetActions.length; i++) { |
| fPartService.removePartListener(fRetargetActions[i]); |
| fRetargetActions[i].dispose(); |
| } |
| } |
| fRetargetActions= null; |
| fPartService= null; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void init(IWorkbenchWindow window) { |
| disposeSubmenuActions(); // paranoia code: double initialization should not happen |
| if (window != null) { |
| fPartService= window.getPartService(); |
| if (fPartService != null) { |
| fRetargetActions= new RetargetAction[] { |
| createSubmenuAction(fPartService, JdtActionConstants.FIND_OCCURRENCES_IN_FILE, ActionMessages.OccurrencesSearchMenuAction_occurrences_in_file_label, IJavaEditorActionDefinitionIds.SEARCH_OCCURRENCES_IN_FILE), |
| createSubmenuAction(fPartService, JdtActionConstants.FIND_IMPLEMENT_OCCURRENCES, ActionMessages.OccurrencesSearchMenuAction_implementing_methods_label, IJavaEditorActionDefinitionIds.SEARCH_IMPLEMENT_OCCURRENCES_IN_FILE), |
| createSubmenuAction(fPartService, JdtActionConstants.FIND_EXCEPTION_OCCURRENCES, ActionMessages.OccurrencesSearchMenuAction_throwing_exception_label, IJavaEditorActionDefinitionIds.SEARCH_EXCEPTION_OCCURRENCES_IN_FILE), |
| createSubmenuAction(fPartService, JdtActionConstants.FIND_METHOD_EXIT_OCCURRENCES, ActionMessages.OccurrencesSearchMenuAction_method_exits_label, IJavaEditorActionDefinitionIds.SEARCH_METHOD_EXIT_OCCURRENCES), |
| createSubmenuAction(fPartService, JdtActionConstants.FIND_BREAK_CONTINUE_TARGET_OCCURRENCES, ActionMessages.OccurrencesSearchMenuAction_break_continue_target_label, IJavaEditorActionDefinitionIds.SEARCH_BREAK_CONTINUE_TARGET_OCCURRENCES) |
| }; |
| } |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void run(IAction a) { |
| if (fRetargetActions == null) |
| return; |
| |
| JavaEditor editor; |
| ISelection selection; |
| |
| IWorkbenchPart activePart= JavaPlugin.getActivePage().getActivePart(); |
| if (activePart instanceof JavaEditor) { |
| selection= getEditorSelection((JavaEditor) activePart); |
| if (selection == null) |
| return; |
| |
| if (selection instanceof ITextSelection) { |
| editor= (JavaEditor) activePart; |
| } else { |
| editor= null; |
| } |
| } else { |
| editor= null; |
| selection= activePart.getSite().getSelectionProvider().getSelection(); |
| } |
| |
| final ArrayList<IAction> activeActions= new ArrayList<IAction>(fRetargetActions.length); |
| for (int i= 0; i < fRetargetActions.length; i++) { |
| RetargetAction action= fRetargetActions[i]; |
| IAction actionHandler= action.getActionHandler(); |
| if (actionHandler instanceof SelectionDispatchAction) { |
| ((SelectionDispatchAction) actionHandler).update(selection); |
| if (actionHandler.isEnabled()) { |
| activeActions.add(actionHandler); |
| } |
| } |
| } |
| if (activeActions.size() == 1) { |
| activeActions.get(0).run(); |
| } else { |
| new JDTQuickMenuCreator(editor) { |
| @Override |
| protected void fillMenu(IMenuManager menu) { |
| fillQuickMenu(menu, activeActions); |
| } |
| }.createMenu(); |
| } |
| } |
| |
| private void updateActions() { |
| IWorkbenchPart activePart= JavaPlugin.getActivePage().getActivePart(); |
| if (!(activePart instanceof JavaEditor)) |
| return; |
| |
| ISelection javaSelection= getEditorSelection((JavaEditor) activePart); |
| if (javaSelection == null) |
| return; |
| |
| for (int i= 0; i < fRetargetActions.length; i++) { |
| RetargetAction action= fRetargetActions[i]; |
| IAction actionHandler= action.getActionHandler(); |
| if (actionHandler instanceof SelectionDispatchAction) { |
| ((SelectionDispatchAction) actionHandler).update(javaSelection); |
| } |
| } |
| } |
| |
| private ISelection getEditorSelection(JavaEditor editor) { |
| ITypeRoot element= SelectionConverter.getInput(editor); |
| if (element == null) |
| return null; |
| |
| if (editor.isBreadcrumbActive()) |
| return editor.getBreadcrumb().getSelectionProvider().getSelection(); |
| else { |
| ITextSelection textSelection= (ITextSelection) editor.getSelectionProvider().getSelection(); |
| IDocument document= JavaUI.getDocumentProvider().getDocument(editor.getEditorInput()); |
| return new JavaTextSelection(element, document, textSelection.getOffset(), textSelection.getLength()); |
| } |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void selectionChanged(IAction action, ISelection selection) { |
| } |
| |
| private void fillQuickMenu(IMenuManager manager, List<IAction> activeActions) { |
| if (activeActions.isEmpty()) { |
| manager.add(NO_ACTION_AVAILABLE); |
| } else { |
| for (int i= 0; i < activeActions.size(); i++) { |
| manager.add(activeActions.get(i)); |
| } |
| } |
| } |
| |
| /** |
| * The menu to show in the workbench menu |
| * @param menu the menu to fill |
| */ |
| public void fillMenu(Menu menu) { |
| if (fRetargetActions != null) { |
| updateActions(); |
| for (int i= 0; i < fRetargetActions.length; i++) { |
| ActionContributionItem item= new ActionContributionItem(fRetargetActions[i]); |
| item.fill(menu, -1); |
| } |
| } else { |
| // can only happen if 'init' was not called: programming error |
| ActionContributionItem item= new ActionContributionItem(NO_ACTION_AVAILABLE); |
| item.fill(menu, -1); |
| } |
| } |
| |
| private void setMenu(Menu menu) { |
| if (fMenu != null) { |
| fMenu.dispose(); |
| } |
| fMenu = menu; |
| } |
| } |