void appendPrefix(char c) {
checkValid();
myOffsets.appendPrefix(c);
synchronized (myList) {
myPresentableArranger.prefixChanged(this);
}
requestResize();
refreshUi(false, true);
ensureSelectionVisible(true);
}
public boolean performGuardedChange(Runnable change) {
checkValid();
assert !myChangeGuard : "already in change";
myEditor.getDocument().startGuardedBlockChecking();
myChangeGuard = true;
boolean result;
try {
result = myOffsets.performGuardedChange(change);
} finally {
myEditor.getDocument().stopGuardedBlockChecking();
myChangeGuard = false;
}
if (!result || myDisposed) {
hide();
return false;
}
if (isVisible()) {
HintManagerImpl.updateLocation(this, myEditor, myUi.calculatePosition().getLocation());
}
checkValid();
return true;
}
public boolean showLookup() {
ApplicationManager.getApplication().assertIsDispatchThread();
checkValid();
LOG.assertTrue(!myShown);
myShown = true;
myStampShown = System.currentTimeMillis();
if (ApplicationManager.getApplication().isUnitTestMode()) return true;
if (!myEditor.getContentComponent().isShowing()) {
hide();
return false;
}
myAdComponent.showRandomText();
myUi = new LookupUi(this, myAdComponent, myList, myProject);
myUi.setCalculating(myCalculating);
Point p = myUi.calculatePosition().getLocation();
try {
HintManagerImpl.getInstanceImpl()
.showEditorHint(
this,
myEditor,
p,
HintManager.HIDE_BY_ESCAPE | HintManager.UPDATE_BY_SCROLLING,
0,
false,
HintManagerImpl.createHintHint(myEditor, p, this, HintManager.UNDER)
.setAwtTooltip(false));
} catch (Exception e) {
LOG.error(e);
}
if (!isVisible() || !myList.isShowing()) {
hide();
return false;
}
DaemonCodeAnalyzer.getInstance(myProject).disableUpdateByTimer(this);
return true;
}
private boolean updateList(boolean onExplicitAction, boolean reused) {
if (!ApplicationManager.getApplication().isUnitTestMode()) {
ApplicationManager.getApplication().assertIsDispatchThread();
}
checkValid();
CollectionListModel<LookupElement> listModel = getListModel();
Pair<List<LookupElement>, Integer> pair;
synchronized (myList) {
pair = myPresentableArranger.arrangeItems(this, onExplicitAction || reused);
}
List<LookupElement> items = pair.first;
Integer toSelect = pair.second;
if (toSelect == null || toSelect < 0 || items.size() > 0 && toSelect >= items.size()) {
LOG.error(
"Arranger "
+ myPresentableArranger
+ " returned invalid selection index="
+ toSelect
+ "; items="
+ items);
toSelect = 0;
}
myOffsets.checkMinPrefixLengthChanges(items, this);
List<LookupElement> oldModel = listModel.toList();
listModel.removeAll();
if (!items.isEmpty()) {
listModel.add(items);
} else {
addEmptyItem(listModel);
}
updateListHeight(listModel);
myList.setSelectedIndex(toSelect);
return !ContainerUtil.equalsIdentity(oldModel, items);
}