/**
* We know that there are problems with incremental soft wraps cache update at the moment. Hence,
* we may implement full cache reconstruction when the problem is encountered in order to avoid
* customer annoyance.
*
* <p>However, the problems still should be fixed, hence, we report them only if dedicated flag is
* set.
*
* <p>Current method encapsulates the logic mentioned above.
*
* @param task command object that which execution may trigger incremental update of update soft
* wraps cache
*/
@SuppressWarnings({"UseOfArchaicSystemPropertyAccessors"})
private void executeSafely(SoftWrapAwareTask task) {
try {
task.run(true);
} catch (Throwable e) {
if (Boolean.getBoolean(DEBUG_PROPERTY_NAME)
|| ApplicationManager.getApplication().isUnitTestMode()) {
String info = myEditor.dumpState();
LOG.error(
String.format("Unexpected exception occurred during performing '%s'", task), e, info);
}
myEditor.getFoldingModel().rebuild();
myDataMapper.release();
myApplianceManager.reset();
myStorage.removeAll();
myApplianceManager.recalculateIfNecessary();
try {
task.run(true);
} catch (Throwable e1) {
String info = myEditor.dumpState();
LOG.error(
String.format("Can't perform %s even with complete soft wraps cache re-parsing", task),
e1,
info);
myEditor.getSettings().setUseSoftWraps(false);
task.run(false);
}
}
}
@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;
}
private void paintSelectionOnFirstSoftWrapLineIfNecessary(
Graphics2D g, int columnStart, float xStart, float xEnd, int y) {
VisualPosition selectionStartPosition =
myEditor.getSelectionModel().getSelectionStartPosition();
VisualPosition selectionEndPosition = myEditor.getSelectionModel().getSelectionEndPosition();
int visualLine = myView.yToVisualLine(y);
if (selectionStartPosition.equals(selectionEndPosition)
|| visualLine < selectionStartPosition.line
|| visualLine > selectionEndPosition.line
|| visualLine == selectionEndPosition.line && selectionEndPosition.column <= columnStart) {
return;
}
float startX =
selectionStartPosition.line == visualLine && selectionStartPosition.column > columnStart
? myView.visualPositionToXY(selectionStartPosition).x
: xStart;
float endX =
selectionEndPosition.line == visualLine
? myView.visualPositionToXY(selectionEndPosition).x
: xEnd;
paintBackground(
g,
myEditor.getColorsScheme().getColor(EditorColors.SELECTION_BACKGROUND_COLOR),
startX,
y,
endX - startX);
}
private boolean paintPlaceholderText(Graphics2D g) {
CharSequence hintText = myEditor.getPlaceholder();
EditorComponentImpl editorComponent = myEditor.getContentComponent();
if (myDocument.getTextLength() > 0
|| hintText == null
|| hintText.length() == 0
|| KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner() == editorComponent
&& !myEditor.getShowPlaceholderWhenFocused()) {
return false;
}
hintText =
SwingUtilities.layoutCompoundLabel(
g.getFontMetrics(),
hintText.toString(),
null,
0,
0,
0,
0,
editorComponent.getBounds(),
new Rectangle(),
new Rectangle(),
0);
g.setColor(myEditor.getFoldingModel().getPlaceholderAttributes().getForegroundColor());
g.setFont(myEditor.getColorsScheme().getFont(EditorFontType.PLAIN));
g.drawString(hintText.toString(), 0, myView.getAscent());
return true;
}
public SoftWrapModelImpl(@NotNull EditorImpl editor) {
myEditor = editor;
myStorage = new SoftWrapsStorage();
myPainter = new CompositeSoftWrapPainter(editor);
myEditorTextRepresentationHelper = new DefaultEditorTextRepresentationHelper(editor);
myDataMapper = new CachingSoftWrapDataMapper(editor, myStorage);
myApplianceManager = new SoftWrapApplianceManager(myStorage, editor, myPainter, myDataMapper);
myVisualSizeManager = new SoftWrapAwareVisualSizeManager(myPainter);
myApplianceManager.addListener(myVisualSizeManager);
myApplianceManager.addListener(
new SoftWrapAwareDocumentParsingListenerAdapter() {
@Override
public void recalculationEnds() {
for (SoftWrapChangeListener listener : mySoftWrapListeners) {
listener.recalculationEnds();
}
}
});
myUseSoftWraps = areSoftWrapsEnabledInEditor();
myEditor.getColorsScheme().getFontPreferences().copyTo(myFontPreferences);
editor.addPropertyChangeListener(this, this);
myApplianceManager.addListener(myDataMapper);
}
/**
* 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);
}
}
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 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 VerticalInfo createVerticalInfo(LogicalPosition position) {
Document document = myEditor.getDocument();
int logicalLine = position.line;
if (logicalLine >= document.getLineCount()) {
logicalLine = Math.max(0, document.getLineCount() - 1);
}
int startOffset = document.getLineStartOffset(logicalLine);
int endOffset = document.getLineEndOffset(logicalLine);
// There is a possible case that active logical line is represented on multiple lines due to
// soft wraps processing.
// We want to highlight those visual lines as 'active' then, so, we calculate 'y' position for
// the logical line start
// and height in accordance with the number of occupied visual lines.
VisualPosition visualPosition =
myEditor.offsetToVisualPosition(document.getLineStartOffset(logicalLine));
int y = myEditor.visualPositionToXY(visualPosition).y;
int lineHeight = myEditor.getLineHeight();
int height = lineHeight;
List<? extends SoftWrap> softWraps =
myEditor.getSoftWrapModel().getSoftWrapsForRange(startOffset, endOffset);
for (SoftWrap softWrap : softWraps) {
height += StringUtil.countNewLines(softWrap.getText()) * lineHeight;
}
return new VerticalInfo(y, height);
}
private ProperTextRange offsetToYPosition(int start, int end) {
if (myEditorScrollbarTop == -1 || myEditorTargetHeight == -1) {
recalcEditorDimensions();
}
Document document = myEditor.getDocument();
int startLineNumber = offsetToLine(start, document);
int startY;
int lineCount;
if (myEditorSourceHeight < myEditorTargetHeight) {
lineCount = 0;
startY = myEditorScrollbarTop + startLineNumber * myEditor.getLineHeight();
} else {
lineCount = myEditorSourceHeight / myEditor.getLineHeight();
startY =
myEditorScrollbarTop + (int) ((float) startLineNumber / lineCount * myEditorTargetHeight);
}
int endY;
if (document.getLineNumber(start) == document.getLineNumber(end)) {
endY = startY; // both offsets are on the same line, no need to recalc Y position
} else {
int endLineNumber = offsetToLine(end, document);
if (myEditorSourceHeight < myEditorTargetHeight) {
endY = myEditorScrollbarTop + endLineNumber * myEditor.getLineHeight();
} else {
endY =
myEditorScrollbarTop + (int) ((float) endLineNumber / lineCount * myEditorTargetHeight);
}
if (endY < startY) endY = startY;
}
return new ProperTextRange(startY, endY);
}
public void setErrorStripeVisible(boolean val) {
if (val) {
myEditor.getVerticalScrollBar().setPersistentUI(new MyErrorPanel());
} else {
myEditor.getVerticalScrollBar().setPersistentUI(ButtonlessScrollBarUI.createNormal());
}
}
public void collapseFoldRegion(FoldRegion region) {
assertIsDispatchThread();
if (!region.isExpanded()) return;
if (!myIsBatchFoldingProcessing) {
LOG.error("Fold regions must be collapsed or expanded inside batchFoldProcessing() only.");
}
LogicalPosition caretPosition = myEditor.getCaretModel().getLogicalPosition();
int caretOffset = myEditor.logicalPositionToOffset(caretPosition);
if (FoldRegionsTree.contains(region, caretOffset)) {
if (myDoNotCollapseCaret) return;
if (!myCaretPositionSaved) {
mySavedCaretX = caretPosition.column;
mySavedCaretY = caretPosition.line;
myCaretPositionSaved = true;
}
}
int selectionStart = myEditor.getSelectionModel().getSelectionStart();
int selectionEnd = myEditor.getSelectionModel().getSelectionEnd();
if (FoldRegionsTree.contains(region, selectionStart - 1)
|| FoldRegionsTree.contains(region, selectionEnd))
myEditor.getSelectionModel().removeSelection();
myFoldRegionsProcessed = true;
((FoldRegionImpl) region).setExpandedInternal(false);
notifyListenersOnFoldRegionStateChange(region);
}
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;
}
private void paintBackground(Graphics2D g, Color color, float x, int y, float width) {
if (width <= 0
|| color == null
|| color.equals(myEditor.getColorsScheme().getDefaultBackground())
|| color.equals(myEditor.getBackgroundColor())) return;
g.setColor(color);
g.fillRect((int) x, y, (int) width, myView.getLineHeight());
}
private void recalcEditorDimensions() {
EditorImpl.MyScrollBar scrollBar = myEditor.getVerticalScrollBar();
int scrollBarHeight = scrollBar.getSize().height;
myEditorScrollbarTop = scrollBar.getDecScrollButtonHeight() /* + 1*/;
int editorScrollbarBottom = scrollBar.getIncScrollButtonHeight();
myEditorTargetHeight = scrollBarHeight - myEditorScrollbarTop - editorScrollbarBottom;
myEditorSourceHeight = myEditor.getPreferredHeight();
}
private void paintCaret(Graphics2D g_) {
EditorImpl.CaretRectangle[] locations = myEditor.getCaretLocations(true);
if (locations == null) return;
Graphics2D g = IdeBackgroundUtil.getOriginalGraphics(g_);
int lineHeight = myView.getLineHeight();
EditorSettings settings = myEditor.getSettings();
Color caretColor = myEditor.getColorsScheme().getColor(EditorColors.CARET_COLOR);
if (caretColor == null) caretColor = new JBColor(CARET_DARK, CARET_LIGHT);
g.setColor(caretColor);
for (EditorImpl.CaretRectangle location : locations) {
int x = location.myPoint.x;
int y = location.myPoint.y;
Caret caret = location.myCaret;
boolean isRtl = location.myIsRtl;
if (myEditor.isInsertMode() != settings.isBlockCursor()) {
int lineWidth = JBUI.scale(settings.getLineCursorWidth());
g.fillRect(x, y, lineWidth, lineHeight);
if (myDocument.getTextLength() > 0
&& caret != null
&& !myView.getLineLayout(caret.getLogicalPosition().line).isLtr()) {
g.fillPolygon(
new int[] {
isRtl ? x + lineWidth : x,
isRtl ? x + lineWidth - CARET_DIRECTION_MARK_SIZE : x + CARET_DIRECTION_MARK_SIZE,
isRtl ? x + lineWidth : x
},
new int[] {y, y, y + CARET_DIRECTION_MARK_SIZE},
3);
}
} else {
int width = location.myWidth;
int startX = Math.max(0, isRtl ? x - width : x);
g.fillRect(startX, y, width, lineHeight - 1);
if (myDocument.getTextLength() > 0 && caret != null) {
int targetVisualColumn = caret.getVisualPosition().column;
for (VisualLineFragmentsIterator.Fragment fragment :
VisualLineFragmentsIterator.create(myView, caret.getVisualLineStart(), false)) {
int startVisualColumn = fragment.getStartVisualColumn();
int endVisualColumn = fragment.getEndVisualColumn();
if (startVisualColumn < targetVisualColumn && endVisualColumn > targetVisualColumn
|| startVisualColumn == targetVisualColumn && !isRtl
|| endVisualColumn == targetVisualColumn && isRtl) {
g.setColor(ColorUtil.isDark(caretColor) ? CARET_LIGHT : CARET_DARK);
fragment.draw(
g,
startX,
y + myView.getAscent(),
targetVisualColumn - startVisualColumn - (isRtl ? 1 : 0),
targetVisualColumn - startVisualColumn + (isRtl ? 0 : 1));
break;
}
}
}
}
}
}
private void paintRightMargin(Graphics g, Rectangle clip) {
EditorSettings settings = myEditor.getSettings();
Color rightMargin = myEditor.getColorsScheme().getColor(EditorColors.RIGHT_MARGIN_COLOR);
if (!settings.isRightMarginShown() || rightMargin == null) return;
int x = settings.getRightMargin(myEditor.getProject()) * myView.getPlainSpaceWidth();
g.setColor(rightMargin);
UIUtil.drawLine(g, x, clip.y, x, clip.y + clip.height);
}
void repaintCarets() {
EditorImpl.CaretRectangle[] locations = myEditor.getCaretLocations(false);
if (locations == null) return;
int lineHeight = myView.getLineHeight();
for (EditorImpl.CaretRectangle location : locations) {
int x = location.myPoint.x;
int y = location.myPoint.y;
int width = Math.max(location.myWidth, CARET_DIRECTION_MARK_SIZE);
myEditor.getContentComponent().repaintEditorComponent(x - width, y, width * 2, lineHeight);
}
}
/**
* Creates a new editor attached to an existing document. {@link Editor#reset() Resetting} this
* editor will preserve the document to which it is attached.
*
* @return New Editor instance
*/
public static Editor attachTo(ContentDocument doc) {
Element e = doc.getFullContentView().getDocumentElement().getImplNodelet();
Preconditions.checkArgument(e != null);
e = e.getParentElement();
Preconditions.checkArgument(e != null);
EditorImpl editor =
UserAgent.isMobileWebkit()
? new EditorImplWebkitMobile(false, e)
: new EditorImpl(false, e);
editor.setContent(doc);
return editor;
}
private boolean isInsideSoftWrap(@NotNull VisualPosition visual, boolean countBeforeSoftWrap) {
if (!isSoftWrappingEnabled()) {
return false;
}
SoftWrapModel model = myEditor.getSoftWrapModel();
if (!model.isSoftWrappingEnabled()) {
return false;
}
LogicalPosition logical = myEditor.visualToLogicalPosition(visual);
int offset = myEditor.logicalPositionToOffset(logical);
if (offset <= 0) {
// Never expect to be here, just a defensive programming.
return false;
}
SoftWrap softWrap = model.getSoftWrap(offset);
if (softWrap == null) {
return false;
}
// We consider visual positions that point after the last symbol before soft wrap and the first
// symbol after soft wrap to not
// belong to soft wrap-introduced virtual space.
VisualPosition visualAfterSoftWrap = myEditor.offsetToVisualPosition(offset);
if (visualAfterSoftWrap.line == visual.line && visualAfterSoftWrap.column <= visual.column) {
return false;
}
if (myEditor.myUseNewRendering) {
VisualPosition beforeSoftWrap = myEditor.offsetToVisualPosition(offset, true, true);
return visual.line > beforeSoftWrap.line
|| visual.column > beforeSoftWrap.column
|| visual.column == beforeSoftWrap.column && countBeforeSoftWrap;
} else {
VisualPosition visualBeforeSoftWrap = myEditor.offsetToVisualPosition(offset - 1);
int x = 0;
LogicalPosition logLineStart =
myEditor.visualToLogicalPosition(new VisualPosition(visualBeforeSoftWrap.line, 0));
if (logLineStart.softWrapLinesOnCurrentLogicalLine > 0) {
int offsetLineStart = myEditor.logicalPositionToOffset(logLineStart);
softWrap = model.getSoftWrap(offsetLineStart);
if (softWrap != null) {
x = softWrap.getIndentInPixels();
}
}
int width =
EditorUtil.textWidthInColumns(
myEditor, myEditor.getDocument().getCharsSequence(), offset - 1, offset, x);
int softWrapStartColumn = visualBeforeSoftWrap.column + width;
if (visual.line > visualBeforeSoftWrap.line) {
return true;
}
return countBeforeSoftWrap
? visual.column >= softWrapStartColumn
: visual.column > softWrapStartColumn;
}
}
@Override
@Nullable
public FoldRegion getFoldingPlaceholderAt(Point p) {
assertReadAccess();
LogicalPosition pos = myEditor.xyToLogicalPosition(p);
int line = pos.line;
if (line >= myEditor.getDocument().getLineCount()) return null;
int offset = myEditor.logicalPositionToOffset(pos);
return myFoldTree.fetchOutermost(offset);
}
@Override
public List<? extends SoftWrap> getRegisteredSoftWraps() {
if (!isSoftWrappingEnabled()) {
return Collections.emptyList();
}
List<SoftWrapImpl> softWraps = myStorage.getSoftWraps();
if (!softWraps.isEmpty()
&& softWraps.get(softWraps.size() - 1).getStart()
>= myEditor.getDocument().getTextLength()) {
LOG.error(
"Unexpected soft wrap location", new Attachment("editorState.txt", myEditor.dumpState()));
}
return softWraps;
}
public CaretModelImpl(EditorImpl editor) {
myEditor = editor;
myLogicalCaret = new LogicalPosition(0, 0);
myVisibleCaret = new VisualPosition(0, 0);
myCaretInfo = new VerticalInfo(0, 0);
myOffset = 0;
myVisualLineStart = 0;
Document doc = editor.getDocument();
myVisualLineEnd =
doc.getLineCount() > 1
? doc.getLineStartOffset(1)
: doc.getLineCount() == 0 ? 0 : doc.getLineEndOffset(0);
DocumentBulkUpdateListener bulkUpdateListener =
new DocumentBulkUpdateListener() {
@Override
public void updateStarted(Document doc) {
if (doc != myEditor.getDocument()) return;
savedBeforeBulkCaretMarker = doc.createRangeMarker(myOffset, myOffset);
}
@Override
public void updateFinished(Document doc) {
if (doc != myEditor.getDocument() || myIsInUpdate) return;
if (savedBeforeBulkCaretMarker != null && savedBeforeBulkCaretMarker.isValid()) {
moveToOffset(savedBeforeBulkCaretMarker.getStartOffset());
}
releaseBulkCaretMarker();
}
};
ApplicationManager.getApplication()
.getMessageBus()
.connect(this)
.subscribe(DocumentBulkUpdateListener.TOPIC, bulkUpdateListener);
}
private void paintVirtualSelectionIfNecessary(
Graphics2D g,
Map<Integer, Couple<Integer>> virtualSelectionMap,
int columnStart,
float xStart,
float xEnd,
int y) {
int visualLine = myView.yToVisualLine(y);
Couple<Integer> selectionRange = virtualSelectionMap.get(visualLine);
if (selectionRange == null || selectionRange.second <= columnStart) return;
float startX =
selectionRange.first <= columnStart
? xStart
: myView.visualPositionToXY(new VisualPosition(visualLine, selectionRange.first)).x;
float endX =
Math.min(
xEnd,
myView.visualPositionToXY(new VisualPosition(visualLine, selectionRange.second)).x);
paintBackground(
g,
myEditor.getColorsScheme().getColor(EditorColors.SELECTION_BACKGROUND_COLOR),
startX,
y,
endX - startX);
}
public void recalculate() {
myApplianceManager.reset();
myStorage.removeAll();
myDeferredFoldRegions.clear();
myEditor.getScrollingModel().scrollToCaret(ScrollType.CENTER);
myApplianceManager.recalculateIfNecessary();
}
@Override
public int paint(
@NotNull Graphics g, @NotNull SoftWrapDrawingType drawingType, int x, int y, int lineHeight) {
if (!isSoftWrappingEnabled()) {
return 0;
}
if (!myEditor.getSettings().isAllSoftWrapsShown()) {
int visualLine = y / lineHeight;
LogicalPosition position =
myEditor.visualToLogicalPosition(new VisualPosition(visualLine, 0));
if (position.line != myEditor.getCaretModel().getLogicalPosition().line) {
return myPainter.getDrawingHorizontalOffset(g, drawingType, x, y, lineHeight);
}
}
return doPaint(g, drawingType, x, y, lineHeight);
}
public int getFoldedLinesCountBefore(int offset) {
if (!myDocumentChangeProcessed && myEditor.getDocument().isInEventsHandling()) {
// There is a possible case that this method is called on document update before fold regions
// are recalculated.
// We return zero in such situations then.
return 0;
}
return myFoldTree.getFoldedLinesCountBefore(offset);
}
@Override
public void beforeDocumentChangeAtCaret() {
CaretModel caretModel = myEditor.getCaretModel();
VisualPosition visualCaretPosition = caretModel.getVisualPosition();
if (!isInsideSoftWrap(visualCaretPosition)) {
return;
}
SoftWrap softWrap = myStorage.getSoftWrap(caretModel.getOffset());
if (softWrap == null) {
return;
}
myEditor
.getDocument()
.replaceString(softWrap.getStart(), softWrap.getEnd(), softWrap.getText());
caretModel.moveToVisualPosition(visualCaretPosition);
}
private boolean needToShiftWhiteSpaces(final DocumentEvent e) {
if (!CharArrayUtil.containsOnlyWhiteSpaces(e.getNewFragment())
|| CharArrayUtil.containLineBreaks(e.getNewFragment())) return e.getOldLength() > 0;
if (e.getOffset() == 0) return false;
final char charBefore = myEditor.getDocument().getCharsSequence().charAt(e.getOffset() - 1);
// final char charAfter = myEditor.getDocument().getCharsSequence().charAt(e.getOffset() +
// e.getNewLength());
return Character.isWhitespace(charBefore) /* || !Character.isWhitespace(charAfter)*/;
}
private void paintTextEffect(
Graphics2D g, float xFrom, float xTo, int y, Color effectColor, EffectType effectType) {
int xStart = (int) xFrom;
int xEnd = (int) xTo;
g.setColor(effectColor);
if (effectType == EffectType.LINE_UNDERSCORE) {
UIUtil.drawLine(g, xStart, y + 1, xEnd, y + 1);
} else if (effectType == EffectType.BOLD_LINE_UNDERSCORE) {
int height = JBUI.scale(Registry.intValue("editor.bold.underline.height", 2));
g.fillRect(xStart, y, xEnd - xStart, height);
} else if (effectType == EffectType.STRIKEOUT) {
int y1 = y - myView.getCharHeight() / 2;
UIUtil.drawLine(g, xStart, y1, xEnd, y1);
} else if (effectType == EffectType.WAVE_UNDERSCORE) {
UIUtil.drawWave(g, new Rectangle(xStart, y + 1, xEnd - xStart, myView.getDescent() - 1));
} else if (effectType == EffectType.BOLD_DOTTED_LINE) {
UIUtil.drawBoldDottedLine(
g,
xStart,
xEnd,
SystemInfo.isMac ? y : y + 1,
myEditor.getBackgroundColor(),
g.getColor(),
false);
}
}
