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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* 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:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.ui.skynet.util;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Level;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.osee.framework.core.enums.PermissionEnum;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
import org.eclipse.osee.framework.jdk.core.util.Collections;
import org.eclipse.osee.framework.skynet.core.AccessPolicy;
import org.eclipse.osee.framework.skynet.core.artifact.Artifact;
import org.eclipse.osee.framework.skynet.core.artifact.ArtifactData;
import org.eclipse.osee.framework.ui.skynet.HTMLTransferFormatter;
import org.eclipse.osee.framework.ui.skynet.artifact.ArtifactTransfer;
import org.eclipse.osee.framework.ui.swt.Displays;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.HTMLTransfer;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
/**
* @author Jeff C. Phillips
*/
public class ArtifactClipboard {
private static final String STATUS = "work";
private Clipboard clipboard;
private final String viewId;
public ArtifactClipboard(String viewId) {
this.clipboard = new Clipboard(null);
this.viewId = viewId;
}
private List<Artifact> getArtifactsWithPermission(AccessPolicy accessService, PermissionEnum permission, List<Artifact> artifacts) throws OseeCoreException {
ArrayList<Artifact> toReturn = new ArrayList<Artifact>(artifacts);
Iterator<Artifact> artIterator = toReturn.iterator();
// Remove Artifact that do not have write permission.
while (artIterator.hasNext()) {
Artifact cur = artIterator.next();
if (!accessService.hasArtifactPermission(java.util.Collections.singleton(cur), permission, Level.WARNING).matched()) {
artIterator.remove();
}
}
return toReturn;
}
public void dispose() {
if (clipboard != null) {
clipboard.dispose();
}
}
public void setArtifactsToClipboard(AccessPolicy policyHandlerService, List<Artifact> artifactTransferData) throws OseeCoreException {
if (artifactTransferData == null) {
throw new IllegalArgumentException("Artifacts can not be null for artifact copy.");
}
if (artifactTransferData.isEmpty()) {
throw new IllegalArgumentException("Artifacts can not be empty.");
}
if (clipboard.isDisposed()) {
this.clipboard = new Clipboard(null);
}
List<Artifact> authFailedList = new ArrayList<Artifact>(artifactTransferData);
List<Artifact> authorizedArtifacts =
getArtifactsWithPermission(policyHandlerService, PermissionEnum.READ, artifactTransferData);
authFailedList.removeAll(authorizedArtifacts);
if (authorizedArtifacts.size() > 0) {
ArrayList<String> textTransferData = new ArrayList<String>();
for (Artifact cur : authorizedArtifacts) {
textTransferData.add(cur.getName());
}
Artifact[] artifacts = authorizedArtifacts.toArray(new Artifact[authorizedArtifacts.size()]);
clipboard.setContents(
new Object[] {
new ArtifactData(artifacts, STATUS, viewId),
HTMLTransferFormatter.getHtml(artifacts),
Collections.toString(textTransferData, null, ", ", null)},
new Transfer[] {ArtifactTransfer.getInstance(), HTMLTransfer.getInstance(), TextTransfer.getInstance()});
}
if (authFailedList.size() > 0) {
String failed = Collections.toString(", ", authFailedList) + ".";
MessageDialog.openError(
Displays.getActiveShell(),
"Copy Error",
"Access control has restricted this action. The following artifacts were not copied to the clipboard: " + failed);
}
}
public void setTextToClipboard(Collection<String> textTransferData) {
if (textTransferData == null) {
throw new IllegalArgumentException("Artifacts can not be null for artifact copy.");
}
if (textTransferData.isEmpty()) {
throw new IllegalArgumentException("Artifacts can not be empty.");
}
if (clipboard.isDisposed()) {
this.clipboard = new Clipboard(null);
}
clipboard.setContents(new Object[] {Collections.toString(textTransferData, null, ", ", null)},
new Transfer[] {TextTransfer.getInstance()});
}
public boolean isEmpty() {
boolean theReturn = true;
if (clipboard.isDisposed()) {
theReturn = true;
} else {
theReturn = clipboard.getContents(ArtifactTransfer.getInstance()) == null;
}
return theReturn;
}
public List<Artifact> getCopiedContents() {
Object object = clipboard.getContents(ArtifactTransfer.getInstance());
List<Artifact> copiedItems;
if (object instanceof ArtifactData) {
ArtifactData data = (ArtifactData) object;
copiedItems = Arrays.asList(data.getArtifacts());
} else {
copiedItems = java.util.Collections.emptyList();
}
return copiedItems;
}
}
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