/**
* Updates the element info to a change of the file content and sends out appropriate
* notifications.
*
* @param fileEditorInput the input of an text editor
*/
protected void handleElementContentChanged(IEditorInput fileEditorInput) {
FileInfo info = (FileInfo) getElementInfo(fileEditorInput);
if (info == null) {
return;
}
IStorage storage = EditorUtils.getStorageFromInput(fileEditorInput);
if (storage instanceof IFile) {
IFile file = (IFile) storage;
IDocument document = createEmptyDocument();
IStatus status = null;
try {
try {
refreshFile(file);
} catch (CoreException x) {
log.error("handleElementContentChanged", x);
}
setDocumentContent(document, file);
} catch (CoreException x) {
status = x.getStatus();
}
String newContent = document.get();
if (!newContent.equals(info.fDocument.get())) {
// set the new content and fire content related events
fireElementContentAboutToBeReplaced(fileEditorInput);
removeUnchangedElementListeners(fileEditorInput, info);
info.fDocument.removeDocumentListener(info);
info.fDocument.set(newContent);
info.fCanBeSaved = false;
info.modificationStamp = computeModificationStamp(file);
info.fStatus = status;
addUnchangedElementListeners(fileEditorInput, info);
fireElementContentReplaced(fileEditorInput);
} else {
removeUnchangedElementListeners(fileEditorInput, info);
// fires only the dirty state related event
info.fCanBeSaved = false;
info.modificationStamp = computeModificationStamp(file);
info.fStatus = status;
addUnchangedElementListeners(fileEditorInput, info);
fireElementDirtyStateChanged(fileEditorInput, false);
}
}
}
@Override
protected ElementInfo createElementInfo(Object element) throws CoreException {
if (element instanceof IEditorInput) {
IEditorInput input = (IEditorInput) element;
IStorage storage = EditorUtils.getStorageFromInput(input);
if (storage instanceof IFile) {
IFile file = (IFile) storage;
try {
refreshFile(file);
} catch (CoreException x) {
log.warn("Can't refresh file", x);
}
IDocument d;
IStatus s = null;
try {
d = createDocument(element);
} catch (CoreException x) {
log.warn("Can't create document", x);
s = x.getStatus();
d = createEmptyDocument();
}
// Set the initial line delimiter
String initialLineDelimiter = GeneralUtils.getDefaultLineSeparator();
if (initialLineDelimiter != null) {
((IDocumentExtension4) d).setInitialLineDelimiter(initialLineDelimiter);
}
IAnnotationModel m = createAnnotationModel(element);
FileSynchronizer f = new FileSynchronizer(input);
f.install();
FileInfo info = new FileInfo(d, m, f);
info.modificationStamp = computeModificationStamp(file);
info.fStatus = s;
return info;
}
}
return super.createElementInfo(element);
}