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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.access;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Level;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.CheckboxCellEditor;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.nebula.widgets.xviewer.XViewer;
import org.eclipse.osee.framework.core.enums.PermissionEnum;
import org.eclipse.osee.framework.core.exception.OseeDataStoreException;
import org.eclipse.osee.framework.logging.OseeLog;
import org.eclipse.osee.framework.skynet.core.access.AccessControlData;
import org.eclipse.osee.framework.skynet.core.access.AccessControlManager;
import org.eclipse.osee.framework.skynet.core.access.AccessObject;
import org.eclipse.osee.framework.skynet.core.artifact.Artifact;
import org.eclipse.osee.framework.ui.skynet.SkynetGuiPlugin;
import org.eclipse.osee.framework.ui.skynet.widgets.xBranch.PolicyTableXViewerFactory;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
/**
* Displays an <Code>Artifact</Code> access control list, used by the <Code>PolicyDialog</Code>.
*
* @author Jeff C. Phillips
*/
public class PolicyTableViewer {
private XViewer tableXViewer;
private Map<String, AccessControlData> accessControlList;
private Object object;
private Composite parent;
public PolicyTableViewer(Composite parent, Object object) {
this.parent = parent;
this.createTableViewer();
this.accessControlList = new HashMap<String, AccessControlData>();
this.object = object;
tableXViewer.setContentProvider(new PolicyContentProvider());
tableXViewer.setLabelProvider(new PolicyLabelProvider(tableXViewer));
tableXViewer.setInput(accessControlList.values());
}
public void allowTableModification(boolean allow) {
((PolicyTableCellModifier) tableXViewer.getCellModifier()).setEnabled(allow);
}
public void addItem(Artifact subject, Object object, PermissionEnum permission) {
AccessObject accessObject = AccessControlManager.getAccessObject(object);
AccessControlData data = new AccessControlData(subject, accessObject, permission, true);
accessControlList.put(data.getSubject().getGuid(), data);
tableXViewer.refresh();
}
private void createTableViewer() {
GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
gd.heightHint = 150;
gd.widthHint = 500;
tableXViewer = new XViewer(parent, SWT.BORDER | SWT.FULL_SELECTION, new PolicyTableXViewerFactory(), true, true);
tableXViewer.setUseHashlookup(true);
tableXViewer.setColumnProperties(PolicyTableColumns.getNames());
tableXViewer.getTree().setLayoutData(gd);
CellEditor[] validEditors = new CellEditor[PolicyTableColumns.values().length];
validEditors[1] = new CheckboxCellEditor(parent, SWT.NONE);
// validEditors[Columns.Artifact.ordinal()] =
// new ComboBoxCellEditor(table, PermissionEnum.getPermissionNames(), SWT.READ_ONLY);
tableXViewer.setCellEditors(validEditors);
tableXViewer.setCellModifier(new PolicyTableCellModifier(this));
}
public Map<String, AccessControlData> getAccessControlList() {
return this.accessControlList;
}
public void refresh() {
tableXViewer.refresh();
}
public void removeData(AccessControlData data) {
try {
AccessControlManager.removeAccessControlDataIf(true, data);
} catch (OseeDataStoreException ex) {
OseeLog.log(SkynetGuiPlugin.class, Level.SEVERE, ex);
}
accessControlList.remove(data.getSubject().getGuid());
}
public void modifyPermissionLevel(AccessControlData data, PermissionEnum permission) {
data.setPermission(permission);
}
public int getCount() {
return accessControlList.size();
}
class PolicyContentProvider implements ITreeContentProvider {
public void inputChanged(Viewer v, Object oldInput, Object newInput) {
}
public void dispose() {
}
public Object[] getElements(Object object) {
populateSubjectsFromDb();
Object[] accessControlListArray = accessControlList.values().toArray();
Arrays.sort(accessControlListArray);
return accessControlListArray;
}
private void populateSubjectsFromDb() {
Collection<AccessControlData> data = AccessControlManager.getAccessControlList(object);
for (AccessControlData entry : data) {
if (isUniqueUnlockedEntry(entry)) accessControlList.put(entry.getSubject().getGuid(), entry);
}
}
private boolean isUniqueUnlockedEntry(AccessControlData entry) {
String subjectGuid = entry.getSubject().getGuid();
boolean isUnique = !accessControlList.containsKey(subjectGuid);
boolean isUnlocked = entry.getPermission() != PermissionEnum.LOCK;
return isUnique && isUnlocked;
}
@Override
public Object[] getChildren(Object parentElement) {
return getElements(parentElement);
}
@Override
public Object getParent(Object element) {
return null;
}
@Override
public boolean hasChildren(Object element) {
return false;
}
}
}
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