/*******************************************************************************
* Copyright (c) 2012-2017 Codenvy, S.A.
* 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
*
* Contributors:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.ide.ext.java.client.refactoring.move;
import com.google.common.base.Optional;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import com.google.web.bindery.event.shared.EventBus;
import org.eclipse.che.ide.api.action.Action;
import org.eclipse.che.ide.api.action.ActionEvent;
import org.eclipse.che.ide.api.app.AppContext;
import org.eclipse.che.ide.api.editor.EditorPartPresenter;
import org.eclipse.che.ide.api.event.ActivePartChangedEvent;
import org.eclipse.che.ide.api.event.ActivePartChangedHandler;
import org.eclipse.che.ide.api.filetypes.FileTypeRegistry;
import org.eclipse.che.ide.api.resources.Container;
import org.eclipse.che.ide.api.resources.File;
import org.eclipse.che.ide.api.resources.Project;
import org.eclipse.che.ide.api.resources.Resource;
import org.eclipse.che.ide.api.resources.VirtualFile;
import org.eclipse.che.ide.ext.java.client.JavaLocalizationConstant;
import org.eclipse.che.ide.ext.java.client.resource.SourceFolderMarker;
import static org.eclipse.che.ide.api.resources.Resource.FILE;
import static org.eclipse.che.ide.ext.java.client.util.JavaUtil.isJavaProject;
/**
* The action is called Move presenter when the user has clicked Ctrl+X on some class or package into the 'Project Explorer'.
*
* @author Valeriy Svydenko
*/
@Singleton
public class CutJavaSourceAction extends Action implements ActivePartChangedHandler {
private final MoveAction moveAction;
private final FileTypeRegistry fileTypeRegistry;
private final AppContext appContext;
private boolean isEditorPartActive;
@Inject
public CutJavaSourceAction(JavaLocalizationConstant locale,
MoveAction moveAction,
EventBus eventBus,
FileTypeRegistry fileTypeRegistry,
AppContext appContext) {
super(locale.moveActionName(), locale.moveActionDescription());
this.moveAction = moveAction;
this.fileTypeRegistry = fileTypeRegistry;
this.appContext = appContext;
eventBus.addHandler(ActivePartChangedEvent.TYPE, this);
}
@Override
public void update(ActionEvent event) {
event.getPresentation().setVisible(true);
final Resource[] resources = appContext.getResources();
if (resources == null || resources.length > 1) {
event.getPresentation().setEnabled(false);
return;
}
final Resource resource = resources[0];
final Optional<Project> project = resource.getRelatedProject();
final Optional<Resource> srcFolder = resource.getParentWithMarker(SourceFolderMarker.ID);
if (resource.getResourceType() == FILE) {
event.getPresentation().setEnabled(!isEditorPartActive
&& isJavaProject(project.get())
&& srcFolder.isPresent()
&& isJavaFile((File)resource));
} else if (resource instanceof Container) {
event.getPresentation().setEnabled(!isEditorPartActive
&& isJavaProject(project.get())
&& srcFolder.isPresent());
}
}
@Override
public void actionPerformed(ActionEvent actionEvent) {
moveAction.actionPerformed(actionEvent);
}
@Override
public void onActivePartChanged(ActivePartChangedEvent event) {
isEditorPartActive = event.getActivePart() instanceof EditorPartPresenter;
}
protected boolean isJavaFile(VirtualFile file) {
final String ext = fileTypeRegistry.getFileTypeByFile(file).getExtension();
return "java".equals(ext) || "class".equals(ext);
}
}