/*
* @see org.eclipse.ui.texteditor.AbstractDocumentProvider.DocumentProviderOperation#execute(org.eclipse.core.runtime.IProgressMonitor)
*/
protected void execute(IProgressMonitor pm) throws CoreException {
ElementInfo info = (ElementInfo) fElementInfoMap.get(element);
if (info != null) {
if (info.fDocument != document) {
Status status =
new Status(
IStatus.WARNING,
TextEditorPlugin.PLUGIN_ID,
IStatus.ERROR,
EditorMessages.AbstractDocumentProvider_error_save_inuse,
null);
throw new CoreException(status);
}
doSaveDocument(pm, element, document, overwrite);
if (pm != null && pm.isCanceled()) return;
info.fCanBeSaved = false;
addUnchangedElementListeners(element, info);
fireElementDirtyStateChanged(element, false);
} else {
doSaveDocument(pm, element, document, overwrite);
}
}
/**
* Executes the actual work of reseting the given elements document.
*
* @param element the element
* @param monitor the progress monitor
* @throws CoreException if resetting fails
* @since 3.0
*/
protected void doResetDocument(Object element, IProgressMonitor monitor) throws CoreException {
ElementInfo info = (ElementInfo) fElementInfoMap.get(element);
if (info != null) {
IDocument original = null;
IStatus status = null;
try {
original = createDocument(element);
} catch (CoreException x) {
status = x.getStatus();
}
info.fStatus = status;
if (original != null) {
fireElementContentAboutToBeReplaced(element);
info.fDocument.set(original.get());
if (info.fCanBeSaved) {
info.fCanBeSaved = false;
addUnchangedElementListeners(element, info);
}
fireElementContentReplaced(element);
fireElementDirtyStateChanged(element, false);
}
}
}
/*
* @see IDocumentProviderExtension#setCanSaveDocument(Object)
* @since 2.0
*/
public void setCanSaveDocument(Object element) {
if (element != null) {
ElementInfo info = (ElementInfo) fElementInfoMap.get(element);
if (info != null) {
info.fCanBeSaved = true;
removeUnchangedElementListeners(element, info);
fireElementDirtyStateChanged(element, info.fCanBeSaved);
}
}
}