private void saveState() {
XMLMemento memento = XMLMemento.createWriteRoot("map");
for (Iterator i = map.entrySet().iterator(); i.hasNext(); ) {
Map.Entry entry = (Map.Entry) i.next();
String workingSetId = (String) entry.getKey();
Record record = (Record) entry.getValue();
IPersistableElement element =
(IPersistableElement) record.root.getAdapter(IPersistableElement.class);
if (element == null) {
StatusManager.getManager()
.handle(
new Status(
IStatus.ERROR,
Activator.PLUGIN_ID,
"could not persist root element for dynamic resource working set. No persistable element adapter found."));
}
IMemento child = memento.createChild("workingSet", workingSetId);
child.putString("pattern", record.pattern.pattern());
IMemento rootItem = memento.createChild("root");
rootItem.putString("factoryID", element.getFactoryId());
element.saveState(rootItem);
}
StringWriter result = new StringWriter();
try {
memento.save(result);
Activator.getInstance().getPreferenceStore().setValue("expressionMemento", result.toString());
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* Saves the object state in the given memento.
*
* @param memento the memento to save the object state in
*/
public IStatus saveState(IMemento memento) {
if (!isRestored()) {
memento.putMemento(this.memento);
} else if (input != null) {
IPersistableElement persistable = input.getPersistable();
if (persistable != null) {
/*
* Store IPersistable of the IEditorInput in a separate section
* since it could potentially use a tag already used in the parent
* memento and thus overwrite data.
*/
IMemento persistableMemento = memento.createChild(IWorkbenchConstants.TAG_PERSISTABLE);
persistable.saveState(persistableMemento);
memento.putString(IWorkbenchConstants.TAG_FACTORY_ID, persistable.getFactoryId());
if (descriptor != null && descriptor.getId() != null) {
memento.putString(IWorkbenchConstants.TAG_ID, descriptor.getId());
}
// save the name and tooltip separately so they can be restored
// without having to instantiate the input, which can activate plugins
memento.putString(IWorkbenchConstants.TAG_NAME, input.getName());
memento.putString(IWorkbenchConstants.TAG_TOOLTIP, input.getToolTipText());
}
}
return Status.OK_STATUS;
}
/**
* Implements IPersistableElement. Persist the working set name and working set contents. The
* contents has to be either IPersistableElements or provide adapters for it to be persistent.
*
* @see org.eclipse.ui.IPersistableElement#saveState(IMemento)
*/
public void saveState(IMemento memento) {
if (workingSetMemento != null) {
// just re-save the previous memento if the working set has
// not been restored
memento.putMemento(workingSetMemento);
} else {
memento.putString(IWorkbenchConstants.TAG_NAME, getName());
memento.putString(IWorkbenchConstants.TAG_LABEL, getLabel());
memento.putString(IWorkbenchConstants.TAG_ID, getUniqueId());
memento.putString(IWorkbenchConstants.TAG_EDIT_PAGE_ID, editPageId);
Iterator iterator = elements.iterator();
while (iterator.hasNext()) {
IAdaptable adaptable = (IAdaptable) iterator.next();
final IPersistableElement persistable =
(IPersistableElement) Util.getAdapter(adaptable, IPersistableElement.class);
if (persistable != null) {
final IMemento itemMemento = memento.createChild(IWorkbenchConstants.TAG_ITEM);
itemMemento.putString(IWorkbenchConstants.TAG_FACTORY_ID, persistable.getFactoryId());
SafeRunner.run(
new SafeRunnable(
"Problems occurred while saving persistable item state") { //$NON-NLS-1$
public void run() throws Exception {
persistable.saveState(itemMemento);
}
});
}
}
}
}
public String getFactoryId() {
IEditorPart editor = getEditor(false);
if (editor == null) {
if (input == null) {
String memento = getModel().getPersistedState().get(MEMENTO_KEY);
if (memento != null) {
try {
XMLMemento createReadRoot = XMLMemento.createReadRoot(new StringReader(memento));
IMemento inputMem = createReadRoot.getChild(IWorkbenchConstants.TAG_INPUT);
if (inputMem != null) {
return inputMem.getString(IWorkbenchConstants.TAG_FACTORY_ID);
}
} catch (WorkbenchException e) {
return null;
}
}
return null;
}
IPersistableElement persistable = input.getPersistable();
return persistable == null ? null : persistable.getFactoryId();
}
IPersistableElement persistable = editor.getEditorInput().getPersistable();
return persistable == null ? null : persistable.getFactoryId();
}
/**
* Returns the factory id of this item, either from the input if restored, otherwise from the
* memento. Returns <code>null</code> if there is no factory id.
*/
public String getFactoryId() {
if (isRestored()) {
if (input != null) {
IPersistableElement persistable = input.getPersistable();
if (persistable != null) {
return persistable.getFactoryId();
}
}
} else if (memento != null) {
return memento.getString(IWorkbenchConstants.TAG_FACTORY_ID);
}
return null;
}
/** Returns whether this item matches the given editor input. */
public boolean matches(IEditorInput input) {
if (isRestored()) {
return input.equals(getInput());
}
// if not restored, compare name, tool tip text and factory id,
// avoiding as much work as possible
if (!getName().equals(input.getName())) {
return false;
}
if (!getToolTipText().equals(input.getToolTipText())) {
return false;
}
IPersistableElement persistable = input.getPersistable();
String inputId = persistable == null ? null : persistable.getFactoryId();
String myId = getFactoryId();
return myId == null ? inputId == null : myId.equals(inputId);
}
IMemento getEditorState() {
IEditorPart editor = getEditor(false);
// If the editor hasn't been rendered yet then see if we can grab the
// info from the model
if (editor == null && getModel() != null) {
String savedState = getModel().getPersistedState().get(MEMENTO_KEY);
if (savedState != null) {
StringReader sr = new StringReader(savedState);
try {
XMLMemento memento = XMLMemento.createReadRoot(sr);
return memento;
} catch (WorkbenchException e) {
WorkbenchPlugin.log(e);
return null;
}
}
return null;
}
IEditorInput input = editor.getEditorInput();
if (input == null) {
return null;
}
IPersistableElement persistable = input.getPersistable();
if (persistable == null) {
return null;
}
XMLMemento root = XMLMemento.createWriteRoot(IWorkbenchConstants.TAG_EDITOR);
root.putString(IWorkbenchConstants.TAG_ID, descriptor.getId());
IMemento inputMem = root.createChild(IWorkbenchConstants.TAG_INPUT);
inputMem.putString(IWorkbenchConstants.TAG_FACTORY_ID, persistable.getFactoryId());
persistable.saveState(inputMem);
if (editor instanceof IPersistableEditor) {
IMemento editorStateMem = root.createChild(IWorkbenchConstants.TAG_EDITOR_STATE);
((IPersistableEditor) editor).saveState(editorStateMem);
}
return root;
}
IMemento getEditorState() {
IEditorPart editor = getEditor(false);
// If the editor hasn't been rendered yet then see if we can grab the
// info from the model
if (editor == null && getModel() != null) {
String savedState = getModel().getPersistedState().get(MEMENTO_KEY);
if (savedState != null) {
StringReader sr = new StringReader(savedState);
try {
XMLMemento memento = XMLMemento.createReadRoot(sr);
return memento;
} catch (WorkbenchException e) {
WorkbenchPlugin.log(e);
return null;
}
}
return null;
}
IEditorInput input = editor.getEditorInput();
if (input == null) {
return null;
}
IPersistableElement persistable = input.getPersistable();
if (persistable == null) {
return null;
}
XMLMemento editorMem = XMLMemento.createWriteRoot(IWorkbenchConstants.TAG_EDITOR);
editorMem.putString(IWorkbenchConstants.TAG_ID, descriptor.getId());
editorMem.putString(IWorkbenchConstants.TAG_TITLE, getTitle());
editorMem.putString(IWorkbenchConstants.TAG_NAME, getName());
editorMem.putString(IWorkbenchConstants.TAG_ID, getId());
editorMem.putString(IWorkbenchConstants.TAG_TOOLTIP, getTitleToolTip());
editorMem.putString(IWorkbenchConstants.TAG_PART_NAME, getPartName());
if (editor instanceof IWorkbenchPart3) {
Map properties = ((IWorkbenchPart3) editor).getPartProperties();
if (!properties.isEmpty()) {
IMemento propBag = editorMem.createChild(IWorkbenchConstants.TAG_PROPERTIES);
Iterator i = properties.entrySet().iterator();
while (i.hasNext()) {
Map.Entry entry = (Map.Entry) i.next();
IMemento p =
propBag.createChild(IWorkbenchConstants.TAG_PROPERTY, (String) entry.getKey());
p.putTextData((String) entry.getValue());
}
}
}
if (isPinned()) {
editorMem.putString(IWorkbenchConstants.TAG_PINNED, "true"); // $NON-NLS-1$
}
IMemento inputMem = editorMem.createChild(IWorkbenchConstants.TAG_INPUT);
inputMem.putString(IWorkbenchConstants.TAG_FACTORY_ID, persistable.getFactoryId());
persistable.saveState(inputMem);
if (editor instanceof IPersistableEditor) {
IMemento editorStateMem = editorMem.createChild(IWorkbenchConstants.TAG_EDITOR_STATE);
((IPersistableEditor) editor).saveState(editorStateMem);
}
return editorMem;
}