private void insertLookupString(LookupElement item, final int prefix) {
final String lookupString = getCaseCorrectedLookupString(item);
final Editor hostEditor = InjectedLanguageUtil.getTopLevelEditor(myEditor);
hostEditor
.getCaretModel()
.runForEachCaret(
new CaretAction() {
@Override
public void perform(Caret caret) {
EditorModificationUtil.deleteSelectedText(hostEditor);
final int caretOffset = hostEditor.getCaretModel().getOffset();
int lookupStart = Math.max(caretOffset - prefix, 0);
int len = hostEditor.getDocument().getTextLength();
LOG.assertTrue(
lookupStart >= 0 && lookupStart <= len,
"ls: "
+ lookupStart
+ " caret: "
+ caretOffset
+ " prefix:"
+ prefix
+ " doc: "
+ len);
LOG.assertTrue(
caretOffset >= 0 && caretOffset <= len, "co: " + caretOffset + " doc: " + len);
hostEditor.getDocument().replaceString(lookupStart, caretOffset, lookupString);
int offset = lookupStart + lookupString.length();
hostEditor.getCaretModel().moveToOffset(offset);
hostEditor.getSelectionModel().removeSelection();
}
});
myEditor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
}
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;
}
@Override
protected void processKeyEvent(@NotNull final KeyEvent e) {
final char keyChar = e.getKeyChar();
if (keyChar == KeyEvent.VK_ENTER || keyChar == KeyEvent.VK_TAB) {
IdeFocusManager.getInstance(myProject)
.requestFocus(myEditor.getContentComponent(), true)
.doWhenDone(
new Runnable() {
@Override
public void run() {
IdeEventQueue.getInstance().getKeyEventDispatcher().dispatchKeyEvent(e);
}
});
return;
}
super.processKeyEvent(e);
}
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 void addListeners() {
myEditor
.getDocument()
.addDocumentListener(
new DocumentAdapter() {
@Override
public void documentChanged(DocumentEvent e) {
if (!myChangeGuard && !myFinishing) {
hide();
}
}
},
this);
final CaretListener caretListener =
new CaretAdapter() {
@Override
public void caretPositionChanged(CaretEvent e) {
if (!myChangeGuard && !myFinishing) {
hide();
}
}
};
final SelectionListener selectionListener =
new SelectionListener() {
@Override
public void selectionChanged(final SelectionEvent e) {
if (!myChangeGuard && !myFinishing) {
hide();
}
}
};
final EditorMouseListener mouseListener =
new EditorMouseAdapter() {
@Override
public void mouseClicked(EditorMouseEvent e) {
e.consume();
hide();
}
};
myEditor.getCaretModel().addCaretListener(caretListener);
myEditor.getSelectionModel().addSelectionListener(selectionListener);
myEditor.addEditorMouseListener(mouseListener);
Disposer.register(
this,
new Disposable() {
@Override
public void dispose() {
myEditor.getCaretModel().removeCaretListener(caretListener);
myEditor.getSelectionModel().removeSelectionListener(selectionListener);
myEditor.removeEditorMouseListener(mouseListener);
}
});
JComponent editorComponent = myEditor.getContentComponent();
if (editorComponent.isShowing()) {
Disposer.register(
this,
new UiNotifyConnector(
editorComponent,
new Activatable() {
@Override
public void showNotify() {}
@Override
public void hideNotify() {
hideLookup(false);
}
}));
}
myList.addListSelectionListener(
new ListSelectionListener() {
private LookupElement oldItem = null;
@Override
public void valueChanged(@NotNull ListSelectionEvent e) {
if (!myUpdating) {
final LookupElement item = getCurrentItem();
fireCurrentItemChanged(oldItem, item);
oldItem = item;
}
}
});
new ClickListener() {
@Override
public boolean onClick(@NotNull MouseEvent e, int clickCount) {
setFocusDegree(FocusDegree.FOCUSED);
markSelectionTouched();
if (clickCount == 2) {
CommandProcessor.getInstance()
.executeCommand(
myProject,
new Runnable() {
@Override
public void run() {
finishLookup(NORMAL_SELECT_CHAR);
}
},
"",
null);
}
return true;
}
}.installOn(myList);
}
@Override
@Nullable
public PsiFile getPsiFile() {
return PsiDocumentManager.getInstance(myProject).getPsiFile(myEditor.getDocument());
}