/*******************************************************************************
* 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.gdt.eclipse.designer.gxt.actions;
import com.google.gdt.eclipse.designer.actions.AbstractModuleAction;
import com.google.gdt.eclipse.designer.actions.wizard.model.IModuleConfigurator;
import com.google.gdt.eclipse.designer.gxt.Activator;
import com.google.gdt.eclipse.designer.preferences.IPreferenceConstants;
import com.google.gdt.eclipse.designer.util.ModuleDescription;
import org.eclipse.wb.internal.core.DesignerPlugin;
import org.eclipse.wb.internal.core.utils.execution.ExecutionUtils;
import org.eclipse.wb.internal.core.utils.execution.RunnableEx;
import org.eclipse.wb.internal.core.wizards.AbstractActionDelegate;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.swt.widgets.DirectoryDialog;
import java.io.File;
/**
* Action for configuring GWT module for using Ext-GWT.
*
* @author scheglov_ke
* @coverage ExtGWT.actions
*/
public final class ConfigureExtGwtAction extends AbstractActionDelegate
implements
IModuleConfigurator {
////////////////////////////////////////////////////////////////////////////
//
// IActionDelegate
//
////////////////////////////////////////////////////////////////////////////
public void run(IAction action) {
ExecutionUtils.runLog(new RunnableEx() {
public void run() throws Exception {
ModuleDescription module = AbstractModuleAction.getSelectedModule(getSelection());
configure(module);
}
});
}
////////////////////////////////////////////////////////////////////////////
//
// IModuleConfigurator
//
////////////////////////////////////////////////////////////////////////////
public void configure(ModuleDescription module) throws Exception {
String libraryLocation = getLibraryLocation();
if (libraryLocation != null) {
new ConfigureExtGwtOperation(module, libraryLocation).run(null);
}
}
////////////////////////////////////////////////////////////////////////////
//
// Utils
//
////////////////////////////////////////////////////////////////////////////
private static String LOCATION_KEY = IPreferenceConstants.TOOLKIT_ID + ".GXT.LibraryLocation";
/**
* @return the folder with "gwt.jar" file, or <code>null</code> if user cancelled selection.
*/
private static String getLibraryLocation() {
IPreferenceStore preferenceStore = Activator.getDefault().getPreferenceStore();
String libraryLocation = preferenceStore.getString(LOCATION_KEY);
while (true) {
DirectoryDialog directoryDialog = new DirectoryDialog(DesignerPlugin.getShell());
directoryDialog.setText("Ext GWT Location");
directoryDialog.setMessage("Choose folder with extracted Ext GWT, it should have gxt.jar file.\n"
+ "You can download it from http://www.extjs.com/products/gxt/");
directoryDialog.setFilterPath(libraryLocation);
libraryLocation = directoryDialog.open();
// cancel
if (libraryLocation == null) {
return null;
}
// check for "gxt.jar" file
{
String jarPath = ConfigureExtGwtOperation.getJarPath(libraryLocation);
File file = new File(jarPath);
if (!file.exists() || !file.isFile()) {
MessageDialog.openError(null, "Invalid folder", "No gxt.jar file in choosen folder.");
continue;
}
}
// check for "resources" directory
{
File file = new File(libraryLocation + "/resources");
if (!file.exists() || !file.isDirectory()) {
MessageDialog.openError(
null,
"Invalid folder",
"No 'resources' directory in choosen folder.\n"
+ "Just gxt.jar file is not enough, we need also images and CSS files.");
continue;
}
}
// OK
preferenceStore.setValue(LOCATION_KEY, libraryLocation);
return libraryLocation;
}
}
}