@Override
protected String getElementText(@NotNull Object element) {
if (!(element instanceof UsageNode)) return element.toString();
UsageNode node = (UsageNode) element;
if (node instanceof StringNode) return "";
Usage usage = node.getUsage();
if (usage == MORE_USAGES_SEPARATOR) return "";
GroupNode group = (GroupNode) node.getParent();
return usage.getPresentation().getPlainText() + group;
}
@NotNull
private Set<Usage> getReadOnlyUsages() {
final Set<Usage> result = new THashSet<Usage>();
final Set<Map.Entry<Usage, UsageNode>> usages = myUsageNodes.entrySet();
for (Map.Entry<Usage, UsageNode> entry : usages) {
Usage usage = entry.getKey();
UsageNode node = entry.getValue();
if (node != null && node != NULL_NODE && !node.isExcluded() && usage.isReadOnly()) {
result.add(usage);
}
}
return result;
}
@Override
public int compare(UsageNode c1, UsageNode c2) {
if (c1 instanceof StringNode) return 1;
if (c2 instanceof StringNode) return -1;
Usage o1 = c1.getUsage();
Usage o2 = c2.getUsage();
if (o1 == MORE_USAGES_SEPARATOR) return 1;
if (o2 == MORE_USAGES_SEPARATOR) return -1;
VirtualFile v1 = UsageListCellRenderer.getVirtualFile(o1);
VirtualFile v2 = UsageListCellRenderer.getVirtualFile(o2);
String name1 = v1 == null ? null : v1.getName();
String name2 = v2 == null ? null : v2.getName();
int i = Comparing.compare(name1, name2);
if (i != 0) return i;
if (o1 instanceof Comparable && o2 instanceof Comparable) {
return ((Comparable) o1).compareTo(o2);
}
FileEditorLocation loc1 = o1.getLocation();
FileEditorLocation loc2 = o2.getLocation();
return Comparing.compare(loc1, loc2);
}
private void navigateAndHint(
@NotNull Usage usage,
@Nullable final String hint,
@NotNull final FindUsagesHandler handler,
@NotNull final RelativePoint popupPosition,
final int maxUsages,
@NotNull final FindUsagesOptions options) {
usage.navigate(true);
if (hint == null) return;
final Editor newEditor = getEditorFor(usage);
if (newEditor == null) return;
final Project project = handler.getProject();
// opening editor is performing in invokeLater
IdeFocusManager.getInstance(project)
.doWhenFocusSettlesDown(
new Runnable() {
@Override
public void run() {
newEditor
.getScrollingModel()
.runActionOnScrollingFinished(
new Runnable() {
@Override
public void run() {
// after new editor created, some editor resizing events are still
// bubbling. To prevent hiding hint, invokeLater this
IdeFocusManager.getInstance(project)
.doWhenFocusSettlesDown(
new Runnable() {
@Override
public void run() {
if (newEditor.getComponent().isShowing()) {
showHint(
hint,
newEditor,
popupPosition,
handler,
maxUsages,
options);
}
}
});
}
});
}
});
}
public UsageNode doAppendUsage(@NotNull Usage usage) {
// invoke in ReadAction to be be sure that usages are not invalidated while the tree is being
// built
ApplicationManager.getApplication().assertReadAccessAllowed();
if (!usage.isValid()) {
// because the view is built incrementally, the usage may be already invalid, so need to
// filter such cases
return null;
}
UsageNode node = myBuilder.appendUsage(usage);
myUsageNodes.put(usage, node == null ? NULL_NODE : node);
if (!myIsFirstVisibleUsageFound && node != null) { // first visible usage found;
myIsFirstVisibleUsageFound = true;
showNode(node);
}
return node;
}
@Nullable
private static Editor getEditorFor(@NotNull Usage usage) {
FileEditorLocation location = usage.getLocation();
FileEditor newFileEditor = location == null ? null : location.getEditor();
return newFileEditor instanceof TextEditor ? ((TextEditor) newFileEditor).getEditor() : null;
}
