/* ******************************************************************************
* Copyright (c) 2006-2012 XMind Ltd. and others.
*
* This file is a part of XMind 3. XMind releases 3 and
* above are dual-licensed under the Eclipse Public License (EPL),
* which is available at http://www.eclipse.org/legal/epl-v10.html
* and the GNU Lesser General Public License (LGPL),
* which is available at http://www.gnu.org/licenses/lgpl.html
* See http://www.xmind.net/license.html for details.
*
* Contributors:
* XMind Ltd. - initial API and implementation
*******************************************************************************/
package org.xmind.ui.mindmap;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.xmind.core.Core;
import org.xmind.core.ICloneData;
import org.xmind.core.IRelationship;
import org.xmind.core.ISheet;
import org.xmind.core.ITopic;
import org.xmind.core.IWorkbook;
import org.xmind.core.io.DirectoryStorage;
import org.xmind.core.io.IStorage;
import org.xmind.core.util.CloneHandler;
public class MindMapExtractor {
private static final String SUBDIR_EXPORT = "export"; //$NON-NLS-1$
private static String DefaultDirectory = null;
private ISheet sourceSheet;
private ITopic sourceTopic;
private Collection<IRelationship> sourceRels;
private IWorkbook result;
private IStorage tempStorage;
public MindMapExtractor(IMindMapViewer viewer) {
this(viewer, newTempStorage());
}
public MindMapExtractor(IMindMapViewer viewer, String tempLocation) {
this(viewer, new DirectoryStorage(new File(tempLocation)));
}
public MindMapExtractor(IMindMapViewer viewer, IStorage tempStorage) {
this.sourceSheet = viewer.getSheet();
this.sourceTopic = viewer.getCentralTopic();
List<IRelationshipPart> relParts = viewer.getSheetPart()
.getRelationships();
this.sourceRels = new ArrayList<IRelationship>(relParts.size());
for (IRelationshipPart relPart : relParts) {
this.sourceRels.add(relPart.getRelationship());
}
this.tempStorage = tempStorage;
}
public IWorkbook extract() throws IOException {
if (result == null) {
result = Core.getWorkbookBuilder().createWorkbook(tempStorage);
result.getMarkerSheet().setParentSheet(
MindMapUI.getResourceManager().getUserMarkerSheet());
CloneHandler cloner = new CloneHandler()
.withWorkbooks(sourceSheet.getOwnedWorkbook(), result);
ISheet newSheet = (ISheet) cloner.cloneObject(sourceSheet);
result.addSheet(newSheet);
result.removeSheet(result.getPrimarySheet());
ITopic newRootTopic = (ITopic) cloner.cloneObject(sourceTopic);
newSheet.replaceRootTopic(newRootTopic);
Set<String> newRelIds = new HashSet<String>(sourceRels.size());
for (IRelationship sr : sourceRels) {
String newRelId = cloner.getMapper()
.getString(ICloneData.WORKBOOK_COMPONENTS, sr.getId());
if (newRelId != null)
newRelIds.add(newRelId);
}
Set<IRelationship> newRels = new HashSet<IRelationship>(
newSheet.getRelationships());
for (IRelationship r : newRels) {
if (!newRelIds.contains(r.getId())) {
newSheet.removeRelationship(r);
}
}
}
return result;
}
public void delete() {
tempStorage.clear();
}
@Deprecated
public String getTempLocation() {
if (tempStorage instanceof DirectoryStorage)
return ((DirectoryStorage) tempStorage).getFullPath();
return null;
}
/**
* @return the tempStorage
*/
public IStorage getTempStorage() {
return tempStorage;
}
private static IStorage newTempStorage() {
if (DefaultDirectory == null) {
DefaultDirectory = Core.getWorkspace().getTempDir(SUBDIR_EXPORT);
}
String fileName = Core.getIdFactory().createId()
+ MindMapUI.FILE_EXT_XMIND_TEMP;
File dir = new File(DefaultDirectory, fileName);
dir.mkdirs();
return new DirectoryStorage(dir);
}
}