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();
}
private void restoreState() {
String mementoString =
Activator.getInstance().getPreferenceStore().getString("expressionMemento");
if (mementoString == null || "".equals(mementoString)) return;
StringReader mementoReader = new StringReader(mementoString);
try {
XMLMemento memento = XMLMemento.createReadRoot(mementoReader);
IMemento[] workingSets = memento.getChildren("workingSet");
for (int i = 0; i < workingSets.length; i++) {
IMemento workingSetMemento = workingSets[i];
String workingSetId = workingSetMemento.getID();
if (workingSetId == null || "".equals(workingSetId)) {
StatusManager.getManager()
.handle(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "missing working set id"));
continue;
}
String patternString = workingSetMemento.getString("pattern");
if (patternString == null || "".equals(patternString)) {
StatusManager.getManager()
.handle(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "missing pattern"));
continue;
}
Pattern pattern = null;
try {
pattern = Pattern.compile(patternString);
} catch (PatternSyntaxException e) {
StatusManager.getManager()
.handle(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "bad pattern", e));
continue;
}
IMemento rootMemento = memento.getChild("root");
if (rootMemento == null) {
StatusManager.getManager()
.handle(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "missing root memento"));
continue;
}
String factoryId = rootMemento.getString("factoryID");
if (factoryId == null || "".equals(factoryId)) {
StatusManager.getManager()
.handle(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "missing root memento"));
continue;
}
IElementFactory factory = PlatformUI.getWorkbench().getElementFactory(factoryId);
if (factory == null) {
StatusManager.getManager()
.handle(
new Status(
IStatus.ERROR,
Activator.PLUGIN_ID,
"cannot create element factory: " + factoryId));
continue;
}
IAdaptable item = factory.createElement(rootMemento);
if (item == null) {
StatusManager.getManager()
.handle(
new Status(
IStatus.ERROR,
Activator.PLUGIN_ID,
"cannot create element from factory: " + factoryId));
continue;
}
Record record = new Record();
record.pattern = pattern;
record.root = item;
map.put(workingSetId, record);
}
} catch (WorkbenchException e) {
StatusManager.getManager()
.handle(
new Status(
IStatus.ERROR, Activator.PLUGIN_ID, "problem restoring working set states", e));
}
}