@NotNull
@Override
public List<? extends SoftWrap> getSoftWrapsForRange(int start, int end) {
if (!isSoftWrappingEnabled() || end < start) {
return Collections.emptyList();
}
List<? extends SoftWrap> softWraps = myStorage.getSoftWraps();
int startIndex = myStorage.getSoftWrapIndex(start);
if (startIndex < 0) {
startIndex = -startIndex - 1;
if (startIndex >= softWraps.size() || softWraps.get(startIndex).getStart() > end) {
return Collections.emptyList();
}
}
int endIndex = myStorage.getSoftWrapIndex(end);
if (endIndex >= 0) {
return softWraps.subList(startIndex, endIndex + 1);
} else {
endIndex = -endIndex - 1;
return softWraps.subList(startIndex, endIndex);
}
}
/**
* 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 int getSoftWrapIndex(int offset) {
if (myEditor.myUseNewRendering && !isSoftWrappingEnabled()) {
return -1;
}
return myStorage.getSoftWrapIndex(offset);
}
public void recalculate() {
myApplianceManager.reset();
myStorage.removeAll();
myDeferredFoldRegions.clear();
myEditor.getScrollingModel().scrollToCaret(ScrollType.CENTER);
myApplianceManager.recalculateIfNecessary();
}
@Override
public List<? extends SoftWrap> getRegisteredSoftWraps() {
if (!isSoftWrappingEnabled()) {
return Collections.emptyList();
}
return myStorage.getSoftWraps();
}
@Override
public void release() {
myDataMapper.release();
myApplianceManager.release();
myStorage.removeAll();
myDeferredFoldRegions.clear();
}
/**
* 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);
}
}
@NotNull
@Override
public String dumpState() {
return String.format(
"appliance manager state: %s; soft wraps mapping info: %s; soft wraps: %s",
myApplianceManager.dumpState(), myDataMapper.dumpState(), myStorage.dumpState());
}
/**
* 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)) {
LOG.error(
String.format(
"Unexpected exception occurred during performing '%s'. Current soft wraps cache: %n"
+ "%s%nFold regions: %s",
task, myDataMapper, Arrays.toString(myEditor.getFoldingModel().fetchTopLevel())),
e);
}
myEditor.getFoldingModel().rebuild();
myDataMapper.release();
myApplianceManager.reset();
myStorage.removeAll();
try {
task.run(true);
} catch (Throwable e1) {
LOG.error(
String.format(
"Can't perform %s even with complete soft wraps cache re-parsing. Current soft wraps cache: %n"
+ "%s. Document:%n%s%nFold regions: %s",
task,
myDataMapper,
myEditor.getDocument().getText(),
Arrays.toString(myEditor.getFoldingModel().fetchTopLevel())),
e1);
myEditor.getSettings().setUseSoftWraps(false);
task.run(false);
}
}
}
@Nullable
public SoftWrap getSoftWrap(int offset) {
if (!isSoftWrappingEnabled()) {
return null;
}
return myStorage.getSoftWrap(offset);
}
/** @return total number of soft wrap-introduced new visual lines */
public int getSoftWrapsIntroducedLinesNumber() {
if (!isSoftWrappingEnabled()) {
return 0;
}
int result = 0;
FoldingModel foldingModel = myEditor.getFoldingModel();
for (SoftWrap softWrap : myStorage.getSoftWraps()) {
if (!foldingModel.isOffsetCollapsed(softWrap.getStart())) {
result++; // Assuming that soft wrap has single line feed all the time
}
}
return result;
}
@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;
}
@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);
}
/**
* Encapsulates preparations for performing document dimension mapping (e.g. visual to logical
* position) and answers if soft wraps-aware processing should be used (e.g. there is no need to
* consider soft wraps if user configured them not to be used).
*
* @return <code>true</code> if soft wraps-aware processing should be used; <code>false</code>
* otherwise
*/
public boolean prepareToMapping() {
if (myUpdateInProgress
|| myBulkUpdateInProgress
|| myActive > 0
|| !isSoftWrappingEnabled()
|| myEditor.getDocument().getTextLength() <= 0) {
return false;
}
if (myDirty) {
myStorage.removeAll();
myApplianceManager.reset();
myDeferredFoldRegions.clear();
myDirty = false;
}
return myApplianceManager.recalculateIfNecessary();
}
@Override
public int getSoftWrapIndex(int offset) {
return myStorage.getSoftWrapIndex(offset);
}
@Override
public boolean addSoftWrapChangeListener(@NotNull SoftWrapChangeListener listener) {
mySoftWrapListeners.add(listener);
return myStorage.addSoftWrapChangeListener(listener);
}
/** @return total number of soft wrap-introduced new visual lines */
public int getSoftWrapsIntroducedLinesNumber() {
return myStorage
.getSoftWraps()
.size(); // Assuming that soft wrap has single line feed all the time
}
public void recalculate() {
myApplianceManager.reset();
myStorage.removeAll();
myDeferredFoldRegions.clear();
myApplianceManager.recalculateIfNecessary();
}
