Java tutorial
/******************************************************************************* * Copyright 2011 Google Inc. All Rights Reserved. * * 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 * * 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.gwt.eclipse.core.preferences.ui; import com.google.gdt.eclipse.core.browser.BrowserUtilities; import com.google.gdt.eclipse.core.sdk.SdkSet; import com.google.gdt.eclipse.core.ui.AddSdkDialog; import com.google.gdt.eclipse.core.ui.SdkTable; import com.google.gwt.eclipse.core.GWTPlugin; import com.google.gwt.eclipse.core.preferences.GWTPreferences; import com.google.gwt.eclipse.core.runtime.GWTRuntime; import com.google.gwt.eclipse.core.sdk.ui.AddGwtSdkDialog; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.preference.PreferencePage; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jface.window.Window; import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPreferencePage; /** * Page to manage preferences for GWT that apply across the workspace. */ public class GwtPreferencePage extends PreferencePage implements IWorkbenchPreferencePage { public static final String ID = "com.gwtplugins.gwt.eclipse.core.preferences.ui.GwtPreferencePage"; private SdkSet<GWTRuntime> sdkSet; /** * */ public GwtPreferencePage() { } /** * @param title */ public GwtPreferencePage(String title) { super(title); } /** * @param title * @param image */ public GwtPreferencePage(String title, ImageDescriptor image) { super(title, image); // TODO Auto-generated constructor stub } @Override public void init(IWorkbench workbench) { // TODO Auto-generated method stub } @Override public boolean performOk() { assert (sdkSet != null); GWTPreferences.setSdks(sdkSet); // FIXME: Modify the default IClasspathContainers return super.performOk(); } @Override protected Control createContents(Composite parent) { noDefaultAndApplyButton(); sdkSet = GWTPreferences.getSdks(); return new SdkTable<GWTRuntime>(parent, SWT.NONE, sdkSet, null, this) { @Override protected IStatus doAddSdk() { AddSdkDialog<GWTRuntime> addGaeSdkDialog = new AddGwtSdkDialog(getShell(), sdkSet, GWTPlugin.PLUGIN_ID, "Add Google Web Toolkit SDK", GWTRuntime.getFactory()); if (addGaeSdkDialog.open() == Window.OK) { GWTRuntime newSdk = addGaeSdkDialog.getSdk(); if (newSdk != null) { sdkSet.add(newSdk); } return Status.OK_STATUS; } return Status.CANCEL_STATUS; } @Override protected IStatus doDownloadSdk() { MessageDialog dialog = new MessageDialog(GWTPlugin.getActiveWorkbenchShell(), "Google Eclipse Plugin", null, "Would you like to open the Google Web Toolkit download page in your " + "web browser?\n\nFrom there, you can " + "download the latest GWT SDK and extract it to the" + " location of your choice. Add it to Eclipse" + " with the \"Add...\" button.", MessageDialog.QUESTION, new String[] { "Open Browser", IDialogConstants.CANCEL_LABEL }, 0); if (dialog.open() == Window.OK) { if (BrowserUtilities.launchBrowserAndHandleExceptions(GWTPlugin.SDK_DOWNLOAD_URL) == null) { return Status.CANCEL_STATUS; } } else { return Status.CANCEL_STATUS; } return Status.OK_STATUS; } }; } }