/*******************************************************************************
* 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.actions;
import com.google.gwt.core.client.Callback;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import com.google.web.bindery.event.shared.EventBus;
import org.eclipse.che.api.promises.client.Operation;
import org.eclipse.che.api.promises.client.OperationException;
import org.eclipse.che.api.promises.client.Promise;
import org.eclipse.che.api.promises.client.PromiseError;
import org.eclipse.che.api.promises.client.callback.CallbackPromiseHelper;
import org.eclipse.che.ide.CoreLocalizationConstant;
import org.eclipse.che.ide.Resources;
import org.eclipse.che.ide.api.action.AbstractPerspectiveAction;
import org.eclipse.che.ide.api.action.ActionEvent;
import org.eclipse.che.ide.api.action.PromisableAction;
import org.eclipse.che.ide.api.app.AppContext;
import org.eclipse.che.ide.api.editor.texteditor.TextEditor;
import org.eclipse.che.ide.api.event.ActivePartChangedEvent;
import org.eclipse.che.ide.api.event.ActivePartChangedHandler;
import org.eclipse.che.ide.api.parts.PartPresenter;
import org.eclipse.che.ide.api.resources.Resource;
import org.eclipse.che.ide.api.selection.Selection;
import org.eclipse.che.ide.resources.DeleteResourceManager;
import javax.validation.constraints.NotNull;
import static java.util.Collections.singletonList;
import static org.eclipse.che.api.promises.client.callback.CallbackPromiseHelper.createFromCallback;
import static org.eclipse.che.ide.workspace.perspectives.project.ProjectPerspective.PROJECT_PERSPECTIVE_ID;
/**
* Deletes resources which are in application context.
*
* @author Artem Zatsarynnyi
* @author Dmitry Shnurenko
* @author Vlad Zhukovskyi
* @see DeleteResourceManager
*/
@Singleton
public class DeleteResourceAction extends AbstractPerspectiveAction implements PromisableAction {
private final DeleteResourceManager deleteResourceManager;
private final AppContext appContext;
private Callback<Void, Throwable> actionCompletedCallBack;
private PartPresenter partPresenter;
@Inject
public DeleteResourceAction(Resources resources,
DeleteResourceManager deleteResourceManager,
CoreLocalizationConstant localization,
AppContext appContext,
EventBus eventBus) {
super(singletonList(PROJECT_PERSPECTIVE_ID),
localization.deleteItemActionText(),
localization.deleteItemActionDescription(),
null,
resources.delete());
this.deleteResourceManager = deleteResourceManager;
this.appContext = appContext;
eventBus.addHandler(ActivePartChangedEvent.TYPE, new ActivePartChangedHandler() {
@Override
public void onActivePartChanged(ActivePartChangedEvent event) {
partPresenter = event.getActivePart();
}
});
}
/** {@inheritDoc} */
@Override
public void actionPerformed(ActionEvent e) {
deleteResourceManager.delete(true, appContext.getResources()).then(new Operation<Void>() {
@Override
public void apply(Void arg) throws OperationException {
if (actionCompletedCallBack != null) {
actionCompletedCallBack.onSuccess(null);
}
}
}).catchError(new Operation<PromiseError>() {
@Override
public void apply(PromiseError arg) throws OperationException {
if (actionCompletedCallBack != null) {
actionCompletedCallBack.onFailure(arg.getCause());
}
}
});
}
/** {@inheritDoc} */
@Override
public void updateInPerspective(@NotNull ActionEvent event) {
final Resource[] resources = appContext.getResources();
event.getPresentation().setVisible(true);
event.getPresentation().setEnabled(resources != null
&& resources.length > 0 && !(partPresenter instanceof TextEditor)
&& !(partPresenter.getSelection() instanceof Selection.NoSelectionProvided));
}
/** {@inheritDoc} */
@Override
public Promise<Void> promise(final ActionEvent event) {
final CallbackPromiseHelper.Call<Void, Throwable> call = new CallbackPromiseHelper.Call<Void, Throwable>() {
@Override
public void makeCall(Callback<Void, Throwable> callback) {
actionCompletedCallBack = callback;
actionPerformed(event);
}
};
return createFromCallback(call);
}
}