com.google.appengine.eclipse.core.preferences.ui.GaePreferencePage.java Source code

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Here is the source code for com.google.appengine.eclipse.core.preferences.ui.GaePreferencePage.java

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/*******************************************************************************
 * 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.appengine.eclipse.core.preferences.ui;

import com.google.appengine.eclipse.core.AppEngineCorePlugin;
import com.google.appengine.eclipse.core.preferences.GaePreferences;
import com.google.appengine.eclipse.core.sdk.GaeSdk;
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 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 GAE preferences that apply across the workspace.
 */
public class GaePreferencePage extends PreferencePage implements IWorkbenchPreferencePage {
    public static final String ID = GaePreferencePage.class.getName();

    private SdkSet<GaeSdk> sdkSet;

    /**
     * 
     */
    public GaePreferencePage() {
    }

    /**
     * @param title
     */
    public GaePreferencePage(String title) {
        super(title);
    }

    /**
     * @param title
     * @param image
     */
    public GaePreferencePage(String title, ImageDescriptor image) {
        super(title, image);
    }

    public void init(IWorkbench workbench) {
    }

    @Override
    public boolean performOk() {
        assert (sdkSet != null);
        GaePreferences.setSdks(sdkSet);
        return super.performOk();
    }

    @Override
    protected Control createContents(Composite parent) {
        noDefaultAndApplyButton();

        sdkSet = GaePreferences.getSdks();

        return new SdkTable<GaeSdk>(parent, SWT.NONE, sdkSet, null, this) {
            @Override
            protected IStatus doAddSdk() {
                AddSdkDialog<GaeSdk> addGaeSdkDialog = new AddSdkDialog<GaeSdk>(getShell(), sdkSet,
                        AppEngineCorePlugin.PLUGIN_ID, "Add App Engine SDK", GaeSdk.getFactory());
                if (addGaeSdkDialog.open() == Window.OK) {
                    GaeSdk 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(AppEngineCorePlugin.getActiveWorkbenchShell(),
                        "Google Eclipse Plugin", null,
                        "Would you like to open the Google App Engine download page in your "
                                + "web browser?\n\nFrom there, you can "
                                + "download the latest App Engine 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(AppEngineCorePlugin.SDK_DOWNLOAD_URL) == null) {
                        return Status.CANCEL_STATUS;
                    }
                } else {
                    return Status.CANCEL_STATUS;
                }
                return Status.OK_STATUS;
            }
        };
    }
}