/*******************************************************************************
* 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.actions;
import com.google.gdt.eclipse.designer.wizards.model.project.ProjectWizard;
import org.eclipse.wb.internal.core.DesignerPlugin;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
/**
* Action for converting selected project into GWT project.
*
* @author scheglov_ke
* @coverage gwt.actions
*/
public class ConvertIntoGwtProjectAction extends Action implements IWorkbenchWindowActionDelegate {
private IJavaProject m_javaProject;
////////////////////////////////////////////////////////////////////////////
//
// IWorkbenchWindowActionDelegate
//
////////////////////////////////////////////////////////////////////////////
public void init(IWorkbenchWindow window) {
}
public void dispose() {
}
public void selectionChanged(IAction action, ISelection selection) {
m_javaProject = getSelectedProject(selection);
action.setEnabled(m_javaProject != null);
}
public void run(IAction action) {
if (!MessageDialog.openConfirm(
DesignerPlugin.getShell(),
"Confirm",
"Do you really want to convert project '"
+ m_javaProject.getElementName()
+ "' into GWT project?")) {
return;
}
//
try {
ProjectWizard.configureProjectAsGWTProject(m_javaProject);
} catch (Throwable e) {
DesignerPlugin.log(e);
}
}
////////////////////////////////////////////////////////////////////////////
//
// Selection utils
//
////////////////////////////////////////////////////////////////////////////
/**
* Finds {@link IProject} corresponding given {@link ISelection}.
*/
private static IJavaProject getSelectedProject(ISelection selection) {
try {
if (selection instanceof IStructuredSelection) {
IStructuredSelection structuredSelection = (IStructuredSelection) selection;
Object selectedObject = structuredSelection.getFirstElement();
return getProjectFromResource(selectedObject);
} else if (selection instanceof ITextSelection) {
IEditorPart activeEditor = DesignerPlugin.getActiveEditor();
IEditorInput editorInput = activeEditor.getEditorInput();
if (editorInput instanceof IFileEditorInput) {
IFileEditorInput fileEditorInput = (IFileEditorInput) editorInput;
return getProjectFromResource(fileEditorInput.getFile());
}
}
} catch (Throwable e) {
}
return null;
}
/**
* If given object is {@link IResource} instance, finds corresponding {@link IProject}.
*/
private static IJavaProject getProjectFromResource(Object o) throws CoreException {
if (o instanceof IAdaptable) {
o = ((IAdaptable) o).getAdapter(IResource.class);
}
if (o instanceof IResource) {
IResource resource = (IResource) o;
IProject project = resource.getProject();
if (project.hasNature(JavaCore.NATURE_ID)) {
return JavaCore.create(project);
}
}
return null;
}
}