/*
* @see StructuredViewer#handleInvalidSelection(ISelection, ISelection)
*/
protected void handleInvalidSelection(ISelection invalidSelection, ISelection newSelection) {
// on change of input, try to keep selected methods stable by selecting a method with the same
// signature: See #5466
List oldSelections = SelectionUtil.toList(invalidSelection);
List newSelections = SelectionUtil.toList(newSelection);
if (!oldSelections.isEmpty()) {
ArrayList newSelectionElements = new ArrayList(newSelections);
try {
Object[] currElements = getFilteredChildren(getInput());
for (int i = 0; i < oldSelections.size(); i++) {
Object curr = oldSelections.get(i);
if (curr instanceof IMethod && !newSelections.contains(curr)) {
IMethod method = (IMethod) curr;
if (method.exists()) {
IMethod similar = findSimilarMethod(method, currElements);
if (similar != null) {
newSelectionElements.add(similar);
}
}
}
}
if (!newSelectionElements.isEmpty()) {
newSelection = new StructuredSelection(newSelectionElements);
} else if (currElements.length > 0) {
newSelection = new StructuredSelection(currElements[0]);
}
} catch (ModelException e) {
DLTKUIPlugin.log(e);
}
}
setSelection(newSelection);
updateSelection(newSelection);
}
public static void logErrorMessage(String message, Throwable throwable) {
DLTKUIPlugin.log(
new Status(
IStatus.ERROR,
DLTKUIPlugin.PLUGIN_ID,
IDLTKStatusConstants.INTERNAL_ERROR,
message,
throwable));
}
public static void log(Throwable e) {
DLTKUIPlugin.log(
new Status(
IStatus.ERROR,
DLTKUIPlugin.PLUGIN_ID,
IDLTKStatusConstants.INTERNAL_ERROR,
DLTKUIMessages.ScriptPlugin_internal_error,
e));
}
public static void logErrorStatus(String message, IStatus status) {
if (status == null) {
DLTKUIPlugin.logErrorMessage(message);
return;
}
MultiStatus multi =
new MultiStatus(DLTKUIPlugin.PLUGIN_ID, IDLTKStatusConstants.INTERNAL_ERROR, message, null);
multi.add(status);
DLTKUIPlugin.log(multi);
}
static void setReadOnly(IResource resource, boolean readOnly) {
ResourceAttributes resourceAttributes = resource.getResourceAttributes();
if (resourceAttributes == null) // not supported on this platform for this resource
return;
resourceAttributes.setReadOnly(readOnly);
try {
resource.setResourceAttributes(resourceAttributes);
} catch (CoreException e) {
DLTKUIPlugin.log(e);
}
}
/*
* @see SelectionDispatchAction#selectionChanged(IStructuredSelection)
*/
public void selectionChanged(IStructuredSelection selection) {
if (ReorgUtils.containsOnlyProjects(selection.toList())) {
setEnabled(createWorkbenchAction(selection).isEnabled());
return;
}
try {
setEnabled(RefactoringAvailabilityTester.isDeleteAvailable(selection.toArray()));
} catch (CoreException e) {
// no ui here - this happens on selection changes
// http://bugs.eclipse.org/bugs/show_bug.cgi?id=19253
if (ScriptModelUtil.isExceptionToBeLogged(e)) DLTKUIPlugin.log(e);
setEnabled(false);
}
}
/**
* Returns the Script content assist history.
*
* @return the Script content assist history
*/
public ContentAssistHistory getContentAssistHistory() {
if (fContentAssistHistory == null) {
try {
fContentAssistHistory =
ContentAssistHistory.load(
getPluginPreferences(), PreferenceConstants.CODEASSIST_LRU_HISTORY);
} catch (CoreException x) {
DLTKUIPlugin.log(x);
}
if (fContentAssistHistory == null) {
fContentAssistHistory = new ContentAssistHistory();
}
}
return fContentAssistHistory;
}
public ISourceRange getNewSelectionRange(ISourceRange oldSourceRange, IType[] types) {
try {
if (types == null) types = getTypes();
Integer[] offsetArray = createOffsetArray(types);
if (offsetArray.length == 0) return oldSourceRange;
Arrays.sort(offsetArray);
Integer oldOffset = new Integer(oldSourceRange.getOffset());
int index = Arrays.binarySearch(offsetArray, oldOffset);
if (fIsGotoNext) return createNewSourceRange(getNextOffset(index, offsetArray, oldOffset));
else return createNewSourceRange(getPreviousOffset(index, offsetArray, oldOffset));
} catch (ModelException e) {
DLTKUIPlugin.log(e); // dialog would be too heavy here
return oldSourceRange;
}
}
/*
* (non-Javadoc) Method declared on IElementChangedListener.
*/
public void elementChanged(final ElementChangedEvent event) {
final ArrayList<Runnable> runnables = new ArrayList<Runnable>();
try {
// 58952 delete project does not update Package Explorer [package
// explorer]
// if the input to the viewer is deleted then refresh to avoid the
// display of stale elements
if (inputDeleted(runnables)) {
return;
}
processDelta(event.getDelta(), runnables);
} catch (ModelException e) {
DLTKUIPlugin.log(e);
} finally {
executeRunnables(runnables);
}
}
/**
* Finds and returns the Script element selected in the given part.
*
* @param part the workbench part for which to find the selected Script element
* @param selection the selection
* @return the selected Script element
*/
protected Object findSelectedModelElement(IWorkbenchPart part, ISelection selection) {
try {
if (isValidWorkbenchPart(part) && selection instanceof ITextSelection) {
final IEditorPart editor = (IEditorPart) part;
IModelElement[] elements =
TextSelectionConverter.codeResolve(editor, (ITextSelection) selection);
if (elements != null && elements.length > 0) {
return elements.length == 1 ? elements[0] : (Object) new ModelElementArray(elements);
}
} else if (selection instanceof IStructuredSelection) {
Object element = SelectionUtil.getSingleElement(selection);
return findModelElement(element);
}
} catch (ModelException e) {
DLTKUIPlugin.log(e);
}
return null;
}
public static void warn(String message, Throwable throwable) {
log(
new Status(
IStatus.WARNING, PLUGIN_ID, IDLTKStatusConstants.INTERNAL_ERROR, message, throwable));
}
