/*******************************************************************************
* Copyright (c) 2012, 2014 Pivotal Software, Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Apache License,
* Version 2.0 (the "License�); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*
* Contributors:
* Pivotal Software, Inc. - initial API and implementation
********************************************************************************/
package org.cloudfoundry.ide.eclipse.server.ui.internal.editor;
import org.cloudfoundry.client.lib.domain.CloudService;
import org.cloudfoundry.ide.eclipse.server.core.internal.client.CloudFoundryApplicationModule;
import org.cloudfoundry.ide.eclipse.server.core.internal.client.CloudFoundryServerBehaviour;
import org.cloudfoundry.ide.eclipse.server.ui.internal.actions.AddServicesToApplicationAction;
import org.eclipse.jface.util.LocalSelectionTransfer;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerDropAdapter;
import org.eclipse.swt.dnd.DND;
import org.eclipse.swt.dnd.DropTargetEvent;
import org.eclipse.swt.dnd.TransferData;
/**
* @author Terry Denney
* @author Steffen Pingel
* @author Christian Dupuis
*/
public class ServicesViewerDropListener extends ViewerDropAdapter {
// private CloudApplication application;
private final CloudFoundryApplicationsEditorPage editorPage;
private CloudFoundryApplicationModule appModule;
private final CloudFoundryServerBehaviour serverBehaviour;
protected ServicesViewerDropListener(Viewer viewer, CloudFoundryServerBehaviour serverBehaviour,
CloudFoundryApplicationsEditorPage editorPage) {
super(viewer);
this.serverBehaviour = serverBehaviour;
this.editorPage = editorPage;
}
@Override
public void dragEnter(DropTargetEvent event) {
if (event.detail == DND.DROP_DEFAULT || event.detail == DND.DROP_NONE) {
event.detail = DND.DROP_COPY;
}
super.dragEnter(event);
}
@Override
public boolean performDrop(Object data) {
IStructuredSelection selection = (IStructuredSelection) data;
new AddServicesToApplicationAction(selection, appModule, serverBehaviour, editorPage).run();
return true;
}
public void setModule(CloudFoundryApplicationModule module) {
this.appModule = module;
// if (module == null) {
// this.application = null;
// } else {
// this.application = module.getApplication();
// }
}
@Override
public boolean validateDrop(Object target, int operation, TransferData type) {
overrideOperation(DND.DROP_COPY);
// if (application == null)
// return false;
if (operation == DND.DROP_COPY || operation == DND.DROP_DEFAULT) {
if (LocalSelectionTransfer.getTransfer().isSupportedType(type)) {
IStructuredSelection selection = (IStructuredSelection) LocalSelectionTransfer.getTransfer()
.getSelection();
Object[] objects = selection.toArray();
for (Object obj : objects) {
if (obj instanceof CloudService) {
return true;
}
}
}
}
return false;
}
}