private void runBatchFoldingOperation(
final Runnable operation, final boolean dontCollapseCaret, final boolean moveCaret) {
assertIsDispatchThreadForEditor();
boolean oldDontCollapseCaret = myDoNotCollapseCaret;
myDoNotCollapseCaret |= dontCollapseCaret;
boolean oldBatchFlag = myIsBatchFoldingProcessing;
if (!oldBatchFlag) {
((ScrollingModelImpl) myEditor.getScrollingModel()).finishAnimation();
mySavedCaretShift =
myEditor.visibleLineToY(myEditor.getCaretModel().getVisualPosition().line)
- myEditor.getScrollingModel().getVerticalScrollOffset();
}
myIsBatchFoldingProcessing = true;
try {
operation.run();
} finally {
if (!oldBatchFlag) {
if (myFoldRegionsProcessed) {
notifyBatchFoldingProcessingDone(moveCaret);
myFoldRegionsProcessed = false;
}
myIsBatchFoldingProcessing = false;
}
myDoNotCollapseCaret = oldDontCollapseCaret;
}
}
public void recalculate() {
myApplianceManager.reset();
myStorage.removeAll();
myDeferredFoldRegions.clear();
myEditor.getScrollingModel().scrollToCaret(ScrollType.CENTER);
myApplianceManager.recalculateIfNecessary();
}
private void runBatchFoldingOperation(final Runnable operation, final boolean dontCollapseCaret) {
assertIsDispatchThread();
boolean oldDontCollapseCaret = myDoNotCollapseCaret;
myDoNotCollapseCaret |= dontCollapseCaret;
boolean oldBatchFlag = myIsBatchFoldingProcessing;
if (!oldBatchFlag) {
mySavedCaretShift =
myEditor.visibleLineToY(myEditor.getCaretModel().getVisualPosition().line)
- myEditor.getScrollingModel().getVerticalScrollOffset();
}
myIsBatchFoldingProcessing = true;
myFoldTree.myCachedLastIndex = -1;
operation.run();
myFoldTree.myCachedLastIndex = -1;
if (!oldBatchFlag) {
if (myFoldRegionsProcessed) {
notifyBatchFoldingProcessingDone();
myFoldRegionsProcessed = false;
}
myIsBatchFoldingProcessing = false;
}
myDoNotCollapseCaret = oldDontCollapseCaret;
}
/**
* Called on editor settings change. Current model is expected to drop all cached information
* about the settings if any.
*/
public void reinitSettings() {
boolean softWrapsUsedBefore = myUseSoftWraps;
myUseSoftWraps = areSoftWrapsEnabledInEditor();
int tabWidthBefore = myTabWidth;
myTabWidth = EditorUtil.getTabSize(myEditor);
boolean fontsChanged = false;
if (!myFontPreferences.equals(myEditor.getColorsScheme().getFontPreferences())
&& myEditorTextRepresentationHelper instanceof DefaultEditorTextRepresentationHelper) {
fontsChanged = true;
myEditor.getColorsScheme().getFontPreferences().copyTo(myFontPreferences);
((DefaultEditorTextRepresentationHelper) myEditorTextRepresentationHelper)
.clearSymbolWidthCache();
myPainter.reinit();
}
if ((myUseSoftWraps ^ softWrapsUsedBefore)
|| (tabWidthBefore >= 0 && myTabWidth != tabWidthBefore)
|| fontsChanged) {
myApplianceManager.reset();
myDeferredFoldRegions.clear();
myStorage.removeAll();
myEditor.getScrollingModel().scrollToCaret(ScrollType.CENTER);
}
}
@Override
public boolean isSoftWrappingEnabled() {
if (!myUseSoftWraps
|| (!myEditor.myUseNewRendering && myEditor.isOneLineMode())
|| myEditor.isPurePaintingMode()) {
return false;
}
// We check that current thread is EDT because attempt to retrieve information about visible
// area width may fail otherwise
Application application = ApplicationManager.getApplication();
Thread lastEdt = myLastEdt.get();
Thread currentThread = Thread.currentThread();
if (lastEdt != currentThread) {
if (application.isDispatchThread()) {
myLastEdt = new SoftReference<Thread>(currentThread);
} else {
myLastEdt = new SoftReference<Thread>(null);
return false;
}
}
Rectangle visibleArea = myEditor.getScrollingModel().getVisibleArea();
return visibleArea.width > 0 && visibleArea.height > 0;
}
public void doClick(final MouseEvent e, final int width) {
RangeHighlighter marker = getNearestRangeHighlighter(e, width);
if (marker == null) return;
int offset = marker.getStartOffset();
final Document doc = myEditor.getDocument();
if (doc.getLineCount() > 0) {
// Necessary to expand folded block even if navigating just before one
// Very useful when navigating to first unused import statement.
int lineEnd = doc.getLineEndOffset(doc.getLineNumber(offset));
myEditor.getCaretModel().moveToOffset(lineEnd);
}
myEditor.getCaretModel().moveToOffset(offset);
myEditor.getSelectionModel().removeSelection();
ScrollingModel scrollingModel = myEditor.getScrollingModel();
scrollingModel.disableAnimation();
scrollingModel.scrollToCaret(ScrollType.CENTER);
scrollingModel.enableAnimation();
fireErrorMarkerClicked(marker, e);
}
private void requestRepaint(VerticalInfo oldCaretInfo) {
int lineHeight = myEditor.getLineHeight();
Rectangle visibleArea = myEditor.getScrollingModel().getVisibleArea();
final EditorGutterComponentEx gutter = myEditor.getGutterComponentEx();
final EditorComponentImpl content = myEditor.getContentComponent();
int updateWidth =
myEditor.getScrollPane().getHorizontalScrollBar().getValue() + visibleArea.width;
if (Math.abs(myCaretInfo.y - oldCaretInfo.y) <= 2 * lineHeight) {
int minY = Math.min(oldCaretInfo.y, myCaretInfo.y);
int maxY = Math.max(oldCaretInfo.y + oldCaretInfo.height, myCaretInfo.y + myCaretInfo.height);
content.repaintEditorComponent(0, minY, updateWidth, maxY - minY);
gutter.repaint(0, minY, gutter.getWidth(), maxY - minY);
} else {
content.repaintEditorComponent(
0, oldCaretInfo.y, updateWidth, oldCaretInfo.height + lineHeight);
gutter.repaint(0, oldCaretInfo.y, updateWidth, oldCaretInfo.height + lineHeight);
content.repaintEditorComponent(
0, myCaretInfo.y, updateWidth, myCaretInfo.height + lineHeight);
gutter.repaint(0, myCaretInfo.y, updateWidth, myCaretInfo.height + lineHeight);
}
}
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 void doNotifyBatchFoldingProcessingDone() {
myFoldTree.rebuild();
for (FoldingListener listener : myListeners) {
listener.onFoldProcessingEnd();
}
myEditor.updateCaretCursor();
myEditor.recalculateSizeAndRepaint();
if (myEditor.getGutterComponentEx().isFoldingOutlineShown()) {
myEditor.getGutterComponentEx().repaint();
}
LogicalPosition caretPosition = myEditor.getCaretModel().getLogicalPosition();
// 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.
if (caretPosition.visualPositionAware) {
caretPosition = new LogicalPosition(caretPosition.line, caretPosition.column);
}
int caretOffset = myEditor.logicalPositionToOffset(caretPosition);
boolean hasBlockSelection = myEditor.getSelectionModel().hasBlockSelection();
int selectionStart = myEditor.getSelectionModel().getSelectionStart();
int selectionEnd = myEditor.getSelectionModel().getSelectionEnd();
int column = -1;
int line = -1;
int offsetToUse = -1;
FoldRegion collapsed = myFoldTree.fetchOutermost(caretOffset);
if (myCaretPositionSaved) {
int savedOffset =
myEditor.logicalPositionToOffset(new LogicalPosition(mySavedCaretY, mySavedCaretX));
FoldRegion collapsedAtSaved = myFoldTree.fetchOutermost(savedOffset);
if (collapsedAtSaved == null) {
column = mySavedCaretX;
line = mySavedCaretY;
} else {
offsetToUse = collapsedAtSaved.getStartOffset();
}
}
if (collapsed != null && column == -1) {
line = collapsed.getDocument().getLineNumber(collapsed.getStartOffset());
column = myEditor.offsetToLogicalPosition(collapsed.getStartOffset()).column;
}
boolean oldCaretPositionSaved = myCaretPositionSaved;
if (offsetToUse >= 0) {
myEditor.getCaretModel().moveToOffset(offsetToUse);
} else if (column != -1) {
myEditor.getCaretModel().moveToLogicalPosition(new LogicalPosition(line, column));
} else {
myEditor.getCaretModel().moveToLogicalPosition(caretPosition);
}
myCaretPositionSaved = oldCaretPositionSaved;
if (!hasBlockSelection && selectionStart < myEditor.getDocument().getTextLength()) {
myEditor.getSelectionModel().setSelection(selectionStart, selectionEnd);
}
if (mySavedCaretShift > 0) {
myEditor.getScrollingModel().disableAnimation();
int scrollTo =
myEditor.visibleLineToY(myEditor.getCaretModel().getVisualPosition().line)
- mySavedCaretShift;
myEditor.getScrollingModel().scrollVertically(scrollTo);
myEditor.getScrollingModel().enableAnimation();
}
}
public void moveCaretRelatively(
int columnShift,
int lineShift,
boolean withSelection,
boolean blockSelection,
boolean scrollToCaret) {
assertIsDispatchThread();
SelectionModel selectionModel = myEditor.getSelectionModel();
int selectionStart = selectionModel.getLeadSelectionOffset();
LogicalPosition blockSelectionStart =
selectionModel.hasBlockSelection() ? selectionModel.getBlockStart() : getLogicalPosition();
EditorSettings editorSettings = myEditor.getSettings();
VisualPosition visualCaret = getVisualPosition();
int desiredX = myDesiredX;
if (columnShift == 0) {
if (myDesiredX < 0) {
desiredX = myEditor.visualPositionToXY(visualCaret).x;
}
} else {
myDesiredX = desiredX = -1;
}
int newLineNumber = visualCaret.line + lineShift;
int newColumnNumber = visualCaret.column + columnShift;
if (desiredX >= 0 && !ApplicationManager.getApplication().isUnitTestMode()) {
newColumnNumber =
myEditor.xyToVisualPosition(
new Point(desiredX, Math.max(0, newLineNumber) * myEditor.getLineHeight()))
.column;
}
Document document = myEditor.getDocument();
if (!editorSettings.isVirtualSpace()
&& columnShift == 0
&& getLogicalPosition().softWrapLinesOnCurrentLogicalLine <= 0) {
newColumnNumber = myEditor.getLastColumnNumber();
} else if (!editorSettings.isVirtualSpace() && lineShift == 0 && columnShift == 1) {
int lastLine = document.getLineCount() - 1;
if (lastLine < 0) lastLine = 0;
if (EditorModificationUtil.calcAfterLineEnd(myEditor) >= 0
&& newLineNumber
< myEditor.logicalToVisualPosition(new LogicalPosition(lastLine, 0)).line) {
newColumnNumber = 0;
newLineNumber++;
}
} else if (!editorSettings.isVirtualSpace() && lineShift == 0 && columnShift == -1) {
if (newColumnNumber < 0 && newLineNumber > 0) {
newLineNumber--;
newColumnNumber = EditorUtil.getLastVisualLineColumnNumber(myEditor, newLineNumber);
}
}
if (newColumnNumber < 0) newColumnNumber = 0;
// There is a possible case that caret is located at the first line and user presses 'Shift+Up'.
// We want to select all text
// from the document start to the current caret position then. So, we have a dedicated flag for
// tracking that.
boolean selectToDocumentStart = false;
if (newLineNumber < 0) {
selectToDocumentStart = true;
newLineNumber = 0;
// We want to move caret to the first column if it's already located at the first line and
// 'Up' is pressed.
newColumnNumber = 0;
desiredX = -1;
}
VisualPosition pos = new VisualPosition(newLineNumber, newColumnNumber);
int lastColumnNumber = newColumnNumber;
if (!editorSettings.isCaretInsideTabs() && !myEditor.getSoftWrapModel().isInsideSoftWrap(pos)) {
LogicalPosition log =
myEditor.visualToLogicalPosition(new VisualPosition(newLineNumber, newColumnNumber));
int offset = myEditor.logicalPositionToOffset(log);
if (offset >= document.getTextLength()) {
int lastOffsetColumn = myEditor.offsetToVisualPosition(document.getTextLength()).column;
// We want to move caret to the last column if if it's located at the last line and 'Down'
// is pressed.
newColumnNumber = lastColumnNumber = Math.max(lastOffsetColumn, newColumnNumber);
desiredX = -1;
}
CharSequence text = document.getCharsSequence();
if (offset >= 0 && offset < document.getTextLength()) {
if (text.charAt(offset) == '\t' && (columnShift <= 0 || offset == myOffset)) {
if (columnShift <= 0) {
newColumnNumber = myEditor.offsetToVisualPosition(offset).column;
} else {
SoftWrap softWrap = myEditor.getSoftWrapModel().getSoftWrap(offset + 1);
// There is a possible case that tabulation symbol is the last document symbol
// represented on a visual line before
// soft wrap. We can't just use column from 'offset + 1' because it would point on a
// next visual line.
if (softWrap == null) {
newColumnNumber = myEditor.offsetToVisualPosition(offset + 1).column;
} else {
newColumnNumber = EditorUtil.getLastVisualLineColumnNumber(myEditor, newLineNumber);
}
}
}
}
}
pos = new VisualPosition(newLineNumber, newColumnNumber);
if (columnShift != 0 && lineShift == 0 && myEditor.getSoftWrapModel().isInsideSoftWrap(pos)) {
LogicalPosition logical = myEditor.visualToLogicalPosition(pos);
int softWrapOffset = myEditor.logicalPositionToOffset(logical);
if (columnShift >= 0) {
moveToOffset(softWrapOffset);
} else {
int line = myEditor.offsetToVisualLine(softWrapOffset - 1);
moveToVisualPosition(
new VisualPosition(line, EditorUtil.getLastVisualLineColumnNumber(myEditor, line)));
}
} else {
moveToVisualPosition(pos);
if (!editorSettings.isVirtualSpace() && columnShift == 0) {
myEditor.setLastColumnNumber(lastColumnNumber);
}
}
if (withSelection) {
if (blockSelection) {
selectionModel.setBlockSelection(blockSelectionStart, getLogicalPosition());
} else {
if (selectToDocumentStart) {
selectionModel.setSelection(selectionStart, 0);
} else if (pos.line >= myEditor.getVisibleLineCount()) {
if (selectionStart < document.getTextLength()) {
selectionModel.setSelection(selectionStart, document.getTextLength());
}
} else {
selectionModel.setSelection(selectionStart, getVisualPosition(), getOffset());
}
}
} else {
selectionModel.removeSelection();
}
if (scrollToCaret) {
myEditor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
}
if (desiredX >= 0) {
myDesiredX = desiredX;
}
EditorActionUtil.selectNonexpandableFold(myEditor);
}