| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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: |
| * Jesper Kamstrup Linnet (eclipse@kamstrup-linnet.dk) - initial API and implementation |
| * (report 36180: Callers/Callees view) |
| * Stephan Herrmann (stephan@cs.tu-berlin.de): |
| * - bug 75800: [call hierarchy] should allow searches for fields |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui.callhierarchy; |
| |
| import java.util.Arrays; |
| |
| import org.eclipse.swt.SWT; |
| 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.IMenuCreator; |
| |
| import org.eclipse.ui.PlatformUI; |
| |
| import org.eclipse.jdt.core.IMember; |
| |
| import org.eclipse.jdt.internal.ui.IJavaHelpContextIds; |
| import org.eclipse.jdt.internal.ui.JavaPluginImages; |
| |
| |
| class HistoryDropDownAction extends Action implements IMenuCreator { |
| |
| private static class ClearHistoryAction extends Action { |
| |
| /** |
| * Creates a clear history action. |
| * |
| * @param view the Call Hierarchy view part |
| */ |
| public ClearHistoryAction(CallHierarchyViewPart view) { |
| super(CallHierarchyMessages.HistoryDropDownAction_clearhistory_label); |
| } |
| |
| @Override |
| public void run() { |
| CallHierarchyUI.getDefault().clearHistory(); |
| } |
| } |
| |
| public static final int RESULTS_IN_DROP_DOWN = 10; |
| private CallHierarchyViewPart fView; |
| private Menu fMenu; |
| |
| public HistoryDropDownAction(CallHierarchyViewPart view) { |
| fView = view; |
| fMenu = null; |
| setToolTipText(CallHierarchyMessages.HistoryDropDownAction_tooltip); |
| JavaPluginImages.setLocalImageDescriptors(this, "history_list.gif"); //$NON-NLS-1$ |
| |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.CALL_HIERARCHY_HISTORY_DROP_DOWN_ACTION); |
| |
| setMenuCreator(this); |
| } |
| |
| public Menu getMenu(Menu parent) { |
| return null; |
| } |
| |
| public Menu getMenu(Control parent) { |
| if (fMenu != null) { |
| fMenu.dispose(); |
| } |
| fMenu= new Menu(parent); |
| IMember[][] elements= fView.getHistoryEntries(); |
| addEntries(fMenu, elements); |
| new MenuItem(fMenu, SWT.SEPARATOR); |
| addActionToMenu(fMenu, new HistoryListAction(fView)); |
| addActionToMenu(fMenu, new ClearHistoryAction(fView)); |
| return fMenu; |
| } |
| |
| public void dispose() { |
| fView = null; |
| |
| if (fMenu != null) { |
| fMenu.dispose(); |
| fMenu = null; |
| } |
| } |
| |
| protected void addActionToMenu(Menu parent, Action action) { |
| ActionContributionItem item = new ActionContributionItem(action); |
| item.fill(parent, -1); |
| } |
| |
| private boolean addEntries(Menu menu, IMember[][] elements) { |
| boolean checked = false; |
| |
| int min = Math.min(elements.length, RESULTS_IN_DROP_DOWN); |
| |
| for (int i = 0; i < min; i++) { |
| HistoryAction action = new HistoryAction(fView, elements[i]); |
| action.setChecked(Arrays.equals(elements[i], fView.getInputElements())); |
| checked = checked || action.isChecked(); |
| addActionToMenu(menu, action); |
| } |
| |
| return checked; |
| } |
| |
| @Override |
| public void run() { |
| new HistoryListAction(fView).run(); |
| } |
| } |