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/*****************************************************************************
* Copyright (c) 2014 CEA LIST.
*
*
* 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:
* Benoit Maggi benoit.maggi@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.onefile.internal.ui.testers;
import org.eclipse.core.expressions.PropertyTester;
import org.eclipse.core.resources.IResource;
import org.eclipse.papyrus.infra.core.resource.sasheditor.DiModel;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.FileTransfer;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.part.ResourceTransfer;
/**
* Papyrus tester on clipboard contents
* containsPapyrusModel : test if there is a papyrus model
*/
public class PapyrusClipboardTester extends PropertyTester {
public static final String CLIPBOARD_CONTAINS_PAPYRUS_MODEL = "containsPapyrusModel"; //$NON-NLS-1$
public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
if (receiver instanceof org.eclipse.swt.widgets.Shell) {
Clipboard clipboard = new Clipboard(Display.getDefault());
if (CLIPBOARD_CONTAINS_PAPYRUS_MODEL.equals(property)) {
boolean answer = containsPapyrusModel(clipboard);
return new Boolean(answer).equals(expectedValue);
}
}
return false;
}
/**
* Test if the clipboard contains some Papyrus model (that is with a di extension)
*
* @param clipboard
* @return
*/
protected boolean containsPapyrusModel(Clipboard clipboard) {
if (clipboard != null) {
String[] filePaths = (String[]) clipboard.getContents(FileTransfer.getInstance());
if (filePaths != null) {
if (filePaths.length > 0) {
for (int i = 0; i < filePaths.length; i++) {
if (filePaths[i].endsWith("." + DiModel.MODEL_FILE_EXTENSION)) { //$NON-NLS-1$
return true;
}
}
}
} else {
IResource[] resources = (IResource[]) clipboard.getContents(ResourceTransfer.getInstance());
if (resources != null) {
if (resources.length > 0) {
for (int i = 0; i < resources.length; i++) {
if (DiModel.MODEL_FILE_EXTENSION.equals(resources[i].getFileExtension())) {
return true;
}
}
}
}
}
}
return false;
}
}
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