public void collapseFoldRegion(FoldRegion region) {
assertIsDispatchThreadForEditor();
if (!region.isExpanded()) return;
if (!myIsBatchFoldingProcessing) {
LOG.error("Fold regions must be collapsed or expanded inside batchFoldProcessing() only.");
}
List<Caret> carets = myEditor.getCaretModel().getAllCarets();
for (Caret caret : carets) {
LogicalPosition caretPosition = caret.getLogicalPosition();
int caretOffset = myEditor.logicalPositionToOffset(caretPosition);
if (FoldRegionsTree.contains(region, caretOffset)) {
if (myDoNotCollapseCaret) return;
}
}
for (Caret caret : carets) {
LogicalPosition caretPosition = caret.getLogicalPosition();
int caretOffset = myEditor.logicalPositionToOffset(caretPosition);
if (FoldRegionsTree.contains(region, caretOffset)) {
if (caret.getUserData(SAVED_CARET_POSITION) == null) {
caret.putUserData(SAVED_CARET_POSITION, caretPosition.withoutVisualPositionInfo());
}
}
}
myFoldRegionsProcessed = true;
((FoldRegionImpl) region).setExpandedInternal(false);
notifyListenersOnFoldRegionStateChange(region);
}
private void moveToLogicalPosition(LogicalPosition pos, boolean locateBeforeSoftWrap) {
assertIsDispatchThread();
myDesiredX = -1;
validateCallContext();
int column = pos.column;
int line = pos.line;
int softWrapLinesBefore = pos.softWrapLinesBeforeCurrentLogicalLine;
int softWrapLinesCurrent = pos.softWrapLinesOnCurrentLogicalLine;
int softWrapColumns = pos.softWrapColumnDiff;
Document doc = myEditor.getDocument();
if (column < 0) {
column = 0;
softWrapColumns = 0;
}
if (line < 0) {
line = 0;
softWrapLinesBefore = 0;
softWrapLinesCurrent = 0;
}
int lineCount = doc.getLineCount();
if (lineCount == 0) {
line = 0;
} else if (line > lineCount - 1) {
line = lineCount - 1;
softWrapLinesBefore = 0;
softWrapLinesCurrent = 0;
}
EditorSettings editorSettings = myEditor.getSettings();
if (!editorSettings.isVirtualSpace()
&& line < lineCount
&& !myEditor.getSelectionModel().hasBlockSelection()) {
int lineEndOffset = doc.getLineEndOffset(line);
int lineEndColumnNumber = myEditor.offsetToLogicalPosition(lineEndOffset).column;
if (column > lineEndColumnNumber) {
column = lineEndColumnNumber;
if (softWrapColumns != 0) {
softWrapColumns -= column - lineEndColumnNumber;
}
}
}
((FoldingModelImpl) myEditor.getFoldingModel()).flushCaretPosition();
VerticalInfo oldInfo = myCaretInfo;
LogicalPosition oldCaretPosition = myLogicalCaret;
LogicalPosition logicalPositionToUse;
if (pos.visualPositionAware) {
logicalPositionToUse =
new LogicalPosition(
line,
column,
softWrapLinesBefore,
softWrapLinesCurrent,
softWrapColumns,
pos.foldedLines,
pos.foldingColumnDiff);
} else {
logicalPositionToUse = new LogicalPosition(line, column);
}
setCurrentLogicalCaret(logicalPositionToUse);
final int offset = myEditor.logicalPositionToOffset(myLogicalCaret);
FoldRegion collapsedAt = myEditor.getFoldingModel().getCollapsedRegionAtOffset(offset);
if (collapsedAt != null && offset > collapsedAt.getStartOffset()) {
Runnable runnable =
new Runnable() {
public void run() {
FoldRegion[] allCollapsedAt =
((FoldingModelImpl) myEditor.getFoldingModel()).fetchCollapsedAt(offset);
for (FoldRegion foldRange : allCollapsedAt) {
foldRange.setExpanded(true);
}
}
};
myEditor.getFoldingModel().runBatchFoldingOperation(runnable);
}
myEditor.setLastColumnNumber(myLogicalCaret.column);
myVisibleCaret = myEditor.logicalToVisualPosition(myLogicalCaret);
myOffset = myEditor.logicalPositionToOffset(myLogicalCaret);
LOG.assertTrue(myOffset >= 0 && myOffset <= myEditor.getDocument().getTextLength());
myVisualLineStart =
myEditor.logicalPositionToOffset(
myEditor.visualToLogicalPosition(new VisualPosition(myVisibleCaret.line, 0)));
myVisualLineEnd =
myEditor.logicalPositionToOffset(
myEditor.visualToLogicalPosition(new VisualPosition(myVisibleCaret.line + 1, 0)));
myEditor.updateCaretCursor();
requestRepaint(oldInfo);
if (locateBeforeSoftWrap && SoftWrapHelper.isCaretAfterSoftWrap(myEditor)) {
int lineToUse = myVisibleCaret.line - 1;
if (lineToUse >= 0) {
moveToVisualPosition(
new VisualPosition(
lineToUse, EditorUtil.getLastVisualLineColumnNumber(myEditor, lineToUse)));
return;
}
}
if (!oldCaretPosition.toVisualPosition().equals(myLogicalCaret.toVisualPosition())) {
CaretEvent event = new CaretEvent(myEditor, oldCaretPosition, myLogicalCaret);
for (CaretListener listener : myCaretListeners) {
listener.caretPositionChanged(event);
}
}
}