}
public void actionPerformed(final ActionEvent e) {
final NodeModel existingNode = Controller.getCurrentModeController().getMapController().getSelectedNode();
final Controller controller = Controller.getCurrentController();
final MapModel parentMap = controller.getMap();
if (parentMap == null || existingNode == null || existingNode.isRoot()) {
controller.getViewController().err("Could not export branch.");
return;
}
if (parentMap.getFile() == null) {
controller.getViewController().out("You must save the current map first!");
((MModeController) Controller.getCurrentModeController()).save();
}
JFileChooser chooser;
final File file = parentMap.getFile();
if (file == null) {
return;
}
chooser = new JFileChooser(file.getParentFile());
chooser.setSelectedFile(new File(createFileName(TextController.getController().getShortText(existingNode))));
if (((MFileManager) UrlManager.getController()).getFileFilter() != null) {
chooser.addChoosableFileFilter(((MFileManager) UrlManager.getController())
.getFileFilter());
}
final int returnVal = chooser.showSaveDialog(controller.getViewController().getContentPane());
if (returnVal == JFileChooser.APPROVE_OPTION) {
File chosenFile = chooser.getSelectedFile();
final String ext = FileUtils.getExtension(chosenFile.getName());
if (!ext.equals(org.freeplane.features.url.UrlManager.FREEPLANE_FILE_EXTENSION_WITHOUT_DOT)) {
chosenFile = new File(chosenFile.getParent(), chosenFile.getName()
+ org.freeplane.features.url.UrlManager.FREEPLANE_FILE_EXTENSION);
}
try {
Compat.fileToUrl(chosenFile);
}
catch (final MalformedURLException ex) {
UITools.errorMessage(TextUtils.getText("invalid_url"));
return;
}
if (chosenFile.exists()) {
final int overwriteMap = JOptionPane.showConfirmDialog(controller.getMapViewManager().getMapViewComponent(),
TextUtils.getText("map_already_exists"), "Freeplane", JOptionPane.YES_NO_OPTION);
if (overwriteMap != JOptionPane.YES_OPTION) {
return;
}
}
/*
* Now make a copy from the node, remove the node from the map and
* create a new Map with the node as root, store the new Map, add
* the copy of the node to the parent, and set a link from the copy
* to the new Map.
*/
final NodeModel parent = existingNode.getParentNode();
final File oldFile = parentMap.getFile();
final URI newUri = LinkController.toLinkTypeDependantURI(oldFile, chosenFile);
final URI oldUri = LinkController.toLinkTypeDependantURI(chosenFile, file);
((MLinkController) LinkController.getController()).setLink(existingNode,
oldUri, LinkController.LINK_ABSOLUTE);
final int nodePosition = parent.getChildPosition(existingNode);
final ModeController modeController = Controller.getCurrentModeController();
modeController.undoableResolveParentExtensions(LogicalStyleKeys.NODE_STYLE, existingNode);
final MMapController mMapController = (MMapController) modeController.getMapController();
mMapController.deleteNode(existingNode);
{
final IActor actor = new IActor() {
private final boolean wasFolded = existingNode.isFolded();
public void undo() {
PersistentNodeHook.removeMapExtensions(existingNode);
existingNode.setMap(parentMap);
existingNode.setFolded(wasFolded);
}
public String getDescription() {
return "ExportBranchAction";
}
public void act() {
existingNode.setParent(null);
existingNode.setFolded(false);
mMapController.newModel(existingNode);
}
};
Controller.getCurrentModeController().execute(actor, parentMap);
}
final MapModel map = existingNode.getMap();
IExtension[] oldExtensions = map.getRootNode().getSharedExtensions().values().toArray(new IExtension[]{});
for(final IExtension extension : oldExtensions){
final Class<? extends IExtension> clazz = extension.getClass();
if(PersistentNodeHook.isMapExtension(clazz)){
existingNode.removeExtension(clazz);
}
}
final Collection<IExtension> newExtensions = parentMap.getRootNode().getSharedExtensions().values();
for(final IExtension extension : newExtensions){
final Class<? extends IExtension> clazz = extension.getClass();
if(PersistentNodeHook.isMapExtension(clazz)){
existingNode.addExtension(extension);
}
}
((MFileManager) UrlManager.getController()).save(map, chosenFile);
final NodeModel newNode = mMapController.addNewNode(parent, nodePosition, existingNode.isLeft());
((MTextController) TextController.getController()).setNodeText(newNode, existingNode.getText());
modeController.undoableCopyExtensions(LogicalStyleKeys.NODE_STYLE, existingNode, newNode);
map.getFile();
((MLinkController) LinkController.getController()).setLink(newNode, newUri, LinkController.LINK_ABSOLUTE);
map.destroy();
}
}