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);
}
private static Runnable rememberDocumentState(final Editor _editor) {
final Editor editor = InjectedLanguageUtil.getTopLevelEditor(_editor);
final String documentText = editor.getDocument().getText();
final int caret = editor.getCaretModel().getOffset();
final int selStart = editor.getSelectionModel().getSelectionStart();
final int selEnd = editor.getSelectionModel().getSelectionEnd();
final int vOffset = editor.getScrollingModel().getVerticalScrollOffset();
final int hOffset = editor.getScrollingModel().getHorizontalScrollOffset();
return new Runnable() {
@Override
public void run() {
DocumentEx document = (DocumentEx) editor.getDocument();
document.replaceString(0, document.getTextLength(), documentText);
editor.getCaretModel().moveToOffset(caret);
editor.getSelectionModel().setSelection(selStart, selEnd);
editor.getScrollingModel().scrollHorizontally(hOffset);
editor.getScrollingModel().scrollVertically(vOffset);
}
};
}