@Override
public void run(boolean softWrapAware) {
if (!softWrapAware) {
return;
}
try {
for (FoldRegionInfo info : myDeferredFoldRegions) {
// There is a possible case that given fold region is contained inside another collapsed
// fold region. We don't want to process
// such nested region then.
FoldRegion outerRegion =
myEditor.getFoldingModel().getCollapsedRegionAtOffset(info.start);
if (outerRegion != null
&& outerRegion != info.region
&& outerRegion.getStartOffset() <= info.start
&& outerRegion.getEndOffset() >= info.end) {
continue;
}
for (SoftWrapFoldingListener listener : myFoldListeners) {
listener.onFoldRegionStateChange(info.start, info.end);
}
}
} finally {
myDeferredFoldRegions.clear();
}
for (SoftWrapFoldingListener listener : myFoldListeners) {
listener.onFoldProcessingEnd();
}
}
@Override
public void onFoldRegionStateChange(@NotNull FoldRegion region) {
if (myDocument.isInBulkUpdate()) return;
if (region.isValid()) {
myFoldingChangeStartOffset = Math.min(myFoldingChangeStartOffset, region.getStartOffset());
myFoldingChangeEndOffset = Math.max(myFoldingChangeEndOffset, region.getEndOffset());
}
}
@NotNull
public FoldRegion getFirstRegion(@NotNull FoldingGroup group, FoldRegion child) {
final List<FoldRegion> regions = getGroupedRegions(group);
if (regions.isEmpty()) {
final boolean inAll = Arrays.asList(getAllFoldRegions()).contains(child);
throw new AssertionError(
"Folding group without children; the known child is in all: " + inAll);
}
FoldRegion main = regions.get(0);
for (int i = 1; i < regions.size(); i++) {
FoldRegion region = regions.get(i);
if (main.getStartOffset() > region.getStartOffset()) {
main = region;
}
}
return main;
}
private static boolean isSelected(FoldRegion foldRegion) {
int regionStart = foldRegion.getStartOffset();
int regionEnd = foldRegion.getEndOffset();
int[] selectionStarts = foldRegion.getEditor().getSelectionModel().getBlockSelectionStarts();
int[] selectionEnds = foldRegion.getEditor().getSelectionModel().getBlockSelectionEnds();
for (int i = 0; i < selectionStarts.length; i++) {
int start = selectionStarts[i];
int end = selectionEnds[i];
if (regionStart >= start && regionEnd <= end) return true;
}
return false;
}
@Override
public void onFoldRegionStateChange(@NotNull FoldRegion region) {
myUpdateInProgress = true;
if (!isSoftWrappingEnabled() || !region.isValid()) {
myDirty = true;
return;
}
// We delay processing of changed fold regions till the invocation of onFoldProcessingEnd(), as
// FoldingModel can return inconsistent data before that moment.
myDeferredFoldRegions.add(new TextRange(region.getStartOffset(), region.getEndOffset()));
}
private void notifyBatchFoldingProcessingDone(final boolean moveCaretFromCollapsedRegion) {
rebuild();
for (FoldingListener listener : myListeners) {
listener.onFoldProcessingEnd();
}
myEditor.updateCaretCursor();
myEditor.recalculateSizeAndRepaint();
myEditor.getGutterComponentEx().updateSize();
myEditor.getGutterComponentEx().repaint();
for (Caret caret : myEditor.getCaretModel().getAllCarets()) {
// There is a possible case that caret position is already visual position aware. But visual
// position depends on number of folded
// logical lines as well, hence, we can't be sure that target logical position defines correct
// visual position because fold
// regions have just changed. Hence, we use 'raw' logical position instead.
LogicalPosition caretPosition = caret.getLogicalPosition().withoutVisualPositionInfo();
int caretOffset = myEditor.logicalPositionToOffset(caretPosition);
int selectionStart = caret.getSelectionStart();
int selectionEnd = caret.getSelectionEnd();
LogicalPosition positionToUse = null;
int offsetToUse = -1;
FoldRegion collapsed = myFoldTree.fetchOutermost(caretOffset);
LogicalPosition savedPosition = caret.getUserData(SAVED_CARET_POSITION);
if (savedPosition != null) {
int savedOffset = myEditor.logicalPositionToOffset(savedPosition);
FoldRegion collapsedAtSaved = myFoldTree.fetchOutermost(savedOffset);
if (collapsedAtSaved == null) {
positionToUse = savedPosition;
} else {
offsetToUse = collapsedAtSaved.getStartOffset();
}
}
if (collapsed != null && positionToUse == null) {
positionToUse = myEditor.offsetToLogicalPosition(collapsed.getStartOffset());
}
if (moveCaretFromCollapsedRegion && caret.isUpToDate()) {
if (offsetToUse >= 0) {
caret.moveToOffset(offsetToUse);
} else if (positionToUse != null) {
caret.moveToLogicalPosition(positionToUse);
} else {
caret.moveToLogicalPosition(caretPosition);
}
}
caret.putUserData(SAVED_CARET_POSITION, savedPosition);
if (isOffsetInsideCollapsedRegion(selectionStart)
|| isOffsetInsideCollapsedRegion(selectionEnd)) {
caret.removeSelection();
} else if (selectionStart < myEditor.getDocument().getTextLength()) {
caret.setSelection(selectionStart, selectionEnd);
}
}
if (mySavedCaretShift > 0) {
final ScrollingModel scrollingModel = myEditor.getScrollingModel();
scrollingModel.disableAnimation();
scrollingModel.scrollVertically(
myEditor.visibleLineToY(myEditor.getCaretModel().getVisualPosition().line)
- mySavedCaretShift);
scrollingModel.enableAnimation();
}
}
private boolean isOffsetInsideCollapsedRegion(int offset) {
assertReadAccess();
FoldRegion region = getCollapsedRegionAtOffset(offset);
return region != null && region.getStartOffset() < offset;
}
FoldRegionInfo(@NotNull FoldRegion region) {
this.region = region;
start = region.getStartOffset();
end = region.getEndOffset();
}
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);
}
}
}