/**
* Applies given caret/selection state to the editor. Editor text must have been set up
* previously.
*/
public static void setCaretsAndSelection(Editor editor, CaretAndSelectionState caretsState) {
CaretModel caretModel = editor.getCaretModel();
if (caretModel.supportsMultipleCarets()) {
List<CaretState> states = new ArrayList<CaretState>(caretsState.carets.size());
for (CaretInfo caret : caretsState.carets) {
states.add(
new CaretState(
caret.position == null
? null
: editor.offsetToLogicalPosition(caret.getCaretOffset(editor.getDocument())),
caret.selection == null
? null
: editor.offsetToLogicalPosition(caret.selection.getStartOffset()),
caret.selection == null
? null
: editor.offsetToLogicalPosition(caret.selection.getEndOffset())));
}
caretModel.setCaretsAndSelections(states);
} else {
assertEquals("Multiple carets are not supported by the model", 1, caretsState.carets.size());
CaretInfo caret = caretsState.carets.get(0);
if (caret.position != null) {
caretModel.moveToOffset(caret.getCaretOffset(editor.getDocument()));
}
if (caret.selection != null) {
editor
.getSelectionModel()
.setSelection(caret.selection.getStartOffset(), caret.selection.getEndOffset());
} else {
editor.getSelectionModel().removeSelection();
}
}
if (caretsState.blockSelection != null) {
editor
.getSelectionModel()
.setBlockSelection(
editor.offsetToLogicalPosition(caretsState.blockSelection.getStartOffset()),
editor.offsetToLogicalPosition(caretsState.blockSelection.getEndOffset()));
}
}
public static void verifyCaretAndSelectionState(
Editor editor, CaretAndSelectionState caretState, String message) {
boolean hasChecks = false;
for (int i = 0; i < caretState.carets.size(); i++) {
EditorTestUtil.CaretInfo expected = caretState.carets.get(i);
if (expected.position != null || expected.selection != null) {
hasChecks = true;
break;
}
}
if (!hasChecks) {
return; // nothing to check, so we skip caret/selection assertions
}
String messageSuffix = message == null ? "" : (message + ": ");
CaretModel caretModel = editor.getCaretModel();
List<Caret> allCarets = new ArrayList<Caret>(caretModel.getAllCarets());
assertEquals(
messageSuffix + " Unexpected number of carets", caretState.carets.size(), allCarets.size());
for (int i = 0; i < caretState.carets.size(); i++) {
String caretDescription =
caretState.carets.size() == 1
? ""
: "caret " + (i + 1) + "/" + caretState.carets.size() + " ";
Caret currentCaret = allCarets.get(i);
int actualCaretLine = editor.getDocument().getLineNumber(currentCaret.getOffset());
int actualCaretColumn =
currentCaret.getOffset() - editor.getDocument().getLineStartOffset(actualCaretLine);
LogicalPosition actualCaretPosition = new LogicalPosition(actualCaretLine, actualCaretColumn);
int selectionStart = currentCaret.getSelectionStart();
int selectionEnd = currentCaret.getSelectionEnd();
LogicalPosition actualSelectionStart = editor.offsetToLogicalPosition(selectionStart);
LogicalPosition actualSelectionEnd = editor.offsetToLogicalPosition(selectionEnd);
CaretInfo expected = caretState.carets.get(i);
if (expected.position != null) {
assertEquals(
messageSuffix + caretDescription + "unexpected caret position",
expected.position,
actualCaretPosition);
}
if (expected.selection != null) {
LogicalPosition expectedSelectionStart =
editor.offsetToLogicalPosition(expected.selection.getStartOffset());
LogicalPosition expectedSelectionEnd =
editor.offsetToLogicalPosition(expected.selection.getEndOffset());
assertEquals(
messageSuffix + caretDescription + "unexpected selection start",
expectedSelectionStart,
actualSelectionStart);
assertEquals(
messageSuffix + caretDescription + "unexpected selection end",
expectedSelectionEnd,
actualSelectionEnd);
} else {
assertFalse(
messageSuffix
+ caretDescription
+ "should has no selection, but was: ("
+ actualSelectionStart
+ ", "
+ actualSelectionEnd
+ ")",
currentCaret.hasSelection());
}
}
}