Java tutorial
/** * Copyright (C) 2007 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.google.inject.tools.ideplugin.eclipse; import java.text.SimpleDateFormat; import java.util.Date; import java.util.HashMap; import java.util.Map; import org.eclipse.core.runtime.IAdaptable; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IAction; import org.eclipse.jface.action.IMenuListener; import org.eclipse.jface.action.IMenuManager; import org.eclipse.jface.action.IToolBarManager; import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.action.Separator; import org.eclipse.jface.text.Document; import org.eclipse.jface.text.IDocument; import org.eclipse.jface.text.ITextOperationTarget; import org.eclipse.jface.text.ITextViewer; import org.eclipse.jface.text.TextViewer; import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Menu; import org.eclipse.ui.IActionBars; import org.eclipse.ui.actions.ActionFactory; import org.eclipse.ui.console.actions.ClearOutputAction; import org.eclipse.ui.part.ViewPart; import org.eclipse.ui.texteditor.IUpdate; /** * Displays error output from the Guice plugin that is logged to the * {@link com.google.inject.tools.suite.Messenger}. * * @author Darren Creutz (dcreutz@gmail.com) */ public class EclipseErrorView extends ViewPart { private IDocument document; private ITextViewer viewer; /** * The constructor. This will be called by Eclipse internally. */ public EclipseErrorView() { } /** * This is a callback that will allow us to create the viewer and initialize * it. */ @Override public void createPartControl(Composite parent) { viewer = new TextViewer(parent, SWT.H_SCROLL | SWT.V_SCROLL); viewer.setEditable(false); document = new Document(); viewer.setDocument(document); document.set("Guice Error Log\n"); viewer.activatePlugins(); createActions(); initializeToolBar(); MenuManager menuMgr = new MenuManager("#PopUp"); //$NON-NLS-1$ menuMgr.setRemoveAllWhenShown(true); menuMgr.addMenuListener(new IMenuListener() { public void menuAboutToShow(IMenuManager mgr) { fillContextMenu(mgr); } }); Menu menu = menuMgr.createContextMenu(viewer.getTextWidget()); viewer.getTextWidget().setMenu(menu); getSite().registerContextMenu(menuMgr, viewer.getSelectionProvider()); } private Map<String, IAction> fGlobalActions = new HashMap<String, IAction>(); private IAction fClearDisplayAction; protected void fillContextMenu(IMenuManager menu) { if (viewer.getDocument() == null) { return; } menu.add(new Separator()); menu.add(fGlobalActions.get(ActionFactory.CUT.getId())); menu.add(fGlobalActions.get(ActionFactory.COPY.getId())); menu.add(fGlobalActions.get(ActionFactory.SELECT_ALL.getId())); menu.add(fClearDisplayAction); } protected void createActions() { fClearDisplayAction = new ClearOutputAction(viewer); IActionBars actionBars = getViewSite().getActionBars(); IAction action = new DisplayViewAction(this, ITextOperationTarget.CUT); action.setText(PluginTextValues.CUT); setGlobalAction(actionBars, ActionFactory.CUT.getId(), action); action = new DisplayViewAction(this, ITextOperationTarget.COPY); action.setText(PluginTextValues.COPY); setGlobalAction(actionBars, ActionFactory.COPY.getId(), action); action = new DisplayViewAction(this, ITextOperationTarget.SELECT_ALL); action.setText(PluginTextValues.SELECT_ALL); setGlobalAction(actionBars, ActionFactory.SELECT_ALL.getId(), action); } protected void setGlobalAction(IActionBars actionBars, String actionID, IAction action) { fGlobalActions.put(actionID, action); actionBars.setGlobalActionHandler(actionID, action); } private void initializeToolBar() { IToolBarManager tbm = getViewSite().getActionBars().getToolBarManager(); tbm.add(fClearDisplayAction); createToolbarActions(); getViewSite().getActionBars().updateActionBars(); } public class DisplayViewAction extends Action implements IUpdate { private int fOperationCode = -1; private ITextOperationTarget fOperationTarget; private IAdaptable fTargetProvider; public DisplayViewAction(ITextOperationTarget target, int operationCode) { super(); fOperationTarget = target; fOperationCode = operationCode; update(); } public DisplayViewAction(IAdaptable targetProvider, int operationCode) { super(); fTargetProvider = targetProvider; fOperationCode = operationCode; update(); } @Override public void run() { if (fOperationCode != -1 && fOperationTarget != null) fOperationTarget.doOperation(fOperationCode); } public void update() { if (fOperationTarget == null && fTargetProvider != null && fOperationCode != -1) { fOperationTarget = (ITextOperationTarget) fTargetProvider.getAdapter(ITextOperationTarget.class); } boolean isEnabled = (fOperationTarget != null && fOperationTarget.canDoOperation(fOperationCode)); setEnabled(isEnabled); } } @Override public void setFocus() { } public void displayError(String message) { String dateString = new SimpleDateFormat("dd/MM HH:mm:ss").format(new Date()); String msg = "[" + dateString + "] " + message; document.set(document.get() + msg); } protected void createToolbarActions() { IToolBarManager toolbar = getViewSite().getActionBars().getToolBarManager(); toolbar.add(new ShowBindingsViewAction()); toolbar.add(new FindBindingsAction()); toolbar.add(new RunModulesNowAction2()); toolbar.add(new GuicePluginConfigureAction2()); } }