/**
* PDE editors should call this during their creation.
*
* <p>Currently the pde editor superclass (PDEFormEditor) connects during its createPages method
* and so this method does not need to be invoked anywhere else.
*
* @param editor the editor to connect to
*/
public static void connect(PDEFormEditor editor) {
IProject project = editor.getCommonProject();
if (project == null) return;
if (fOpenPDEEditors.containsKey(project)) {
ArrayList list = (ArrayList) fOpenPDEEditors.get(project);
if (!list.contains(editor)) list.add(editor);
} else {
ArrayList list = new ArrayList();
list.add(editor);
fOpenPDEEditors.put(project, list);
}
}
private static TextFileChange[] generateModelEdits(
final ModelModification modification, final IProgressMonitor monitor, boolean performEdits) {
ArrayList edits = new ArrayList();
// create own model, attach listeners and grab text edits
ITextFileBufferManager manager = FileBuffers.getTextFileBufferManager();
IFile[] files;
if (modification.isFullBundleModification()) {
files = new IFile[2];
files[F_Bi] = modification.getManifestFile();
files[F_Xi] = modification.getXMLFile();
} else {
files = new IFile[] {modification.getFile()};
}
// need to monitor number of successful buffer connections for disconnection purposes
// @see } finally { statement
int sc = 0;
try {
ITextFileBuffer[] buffers = new ITextFileBuffer[files.length];
IDocument[] documents = new IDocument[files.length];
for (int i = 0; i < files.length; i++) {
if (files[i] == null || !files[i].exists()) continue;
manager.connect(files[i].getFullPath(), LocationKind.NORMALIZE, monitor);
sc++;
buffers[i] = manager.getTextFileBuffer(files[i].getFullPath(), LocationKind.NORMALIZE);
if (performEdits && buffers[i].isDirty()) buffers[i].commit(monitor, true);
documents[i] = buffers[i].getDocument();
}
IBaseModel editModel;
if (modification.isFullBundleModification())
editModel = prepareBundlePluginModel(files, documents, !performEdits);
else editModel = prepareAbstractEditingModel(files[0], documents[0], !performEdits);
modification.modifyModel(editModel, monitor);
IModelTextChangeListener[] listeners = gatherListeners(editModel);
for (int i = 0; i < listeners.length; i++) {
if (listeners[i] == null) continue;
TextEdit[] currentEdits = listeners[i].getTextOperations();
if (currentEdits.length > 0) {
MultiTextEdit multi = new MultiTextEdit();
multi.addChildren(currentEdits);
if (performEdits) {
multi.apply(documents[i]);
buffers[i].commit(monitor, true);
}
TextFileChange change = new TextFileChange(files[i].getName(), files[i]);
change.setEdit(multi);
// If the edits were performed right away (performEdits == true) then
// all the names are null and we don't need the granular detail anyway.
if (!performEdits) {
for (int j = 0; j < currentEdits.length; j++) {
String name = listeners[i].getReadableName(currentEdits[j]);
if (name != null) change.addTextEditGroup(new TextEditGroup(name, currentEdits[j]));
}
}
// save the file after the change applied
change.setSaveMode(TextFileChange.FORCE_SAVE);
setChangeTextType(change, files[i]);
edits.add(change);
}
}
} catch (CoreException e) {
PDEPlugin.log(e);
} catch (MalformedTreeException e) {
PDEPlugin.log(e);
} catch (BadLocationException e) {
PDEPlugin.log(e);
} finally {
// don't want to over-disconnect in case we ran into an exception during connections
// dc <= sc stops this from happening
int dc = 0;
for (int i = 0; i < files.length && dc <= sc; i++) {
if (files[i] == null || !files[i].exists()) continue;
try {
manager.disconnect(files[i].getFullPath(), LocationKind.NORMALIZE, monitor);
dc++;
} catch (CoreException e) {
PDEPlugin.log(e);
}
}
}
return (TextFileChange[]) edits.toArray(new TextFileChange[edits.size()]);
}