private void doUpdateRanges(
int beforeChangedLine1, int beforeChangedLine2, int linesShift, int beforeTotalLines) {
List<Range> rangesBeforeChange = new ArrayList<Range>();
List<Range> rangesAfterChange = new ArrayList<Range>();
List<Range> changedRanges = new ArrayList<Range>();
sortRanges(
beforeChangedLine1,
beforeChangedLine2,
linesShift,
rangesBeforeChange,
changedRanges,
rangesAfterChange);
Range firstChangedRange = ContainerUtil.getFirstItem(changedRanges);
Range lastChangedRange = ContainerUtil.getLastItem(changedRanges);
if (firstChangedRange != null && firstChangedRange.getLine1() < beforeChangedLine1) {
beforeChangedLine1 = firstChangedRange.getLine1();
}
if (lastChangedRange != null && lastChangedRange.getLine2() > beforeChangedLine2) {
beforeChangedLine2 = lastChangedRange.getLine2();
}
doUpdateRanges(
beforeChangedLine1,
beforeChangedLine2,
linesShift,
beforeTotalLines,
rangesBeforeChange,
changedRanges,
rangesAfterChange);
}
private void doRollbackRange(@NotNull Range range) {
DiffUtil.applyModification(
myDocument,
range.getLine1(),
range.getLine2(),
myVcsDocument,
range.getVcsLine1(),
range.getVcsLine2());
markLinesUnchanged(
range.getLine1(), range.getLine1() + range.getVcsLine2() - range.getVcsLine1());
}
@Nullable
private RangeHighlighter createHighlighter(@NotNull Range range) {
myApplication.assertIsDispatchThread();
LOG.assertTrue(!myReleased, "Already released");
if (myMode == Mode.SILENT) return null;
int first =
range.getLine1() >= getLineCount(myDocument)
? myDocument.getTextLength()
: myDocument.getLineStartOffset(range.getLine1());
int second =
range.getLine2() >= getLineCount(myDocument)
? myDocument.getTextLength()
: myDocument.getLineStartOffset(range.getLine2());
final TextAttributes attr = LineStatusTrackerDrawing.getAttributesFor(range);
final RangeHighlighter highlighter =
DocumentMarkupModel.forDocument(myDocument, myProject, true)
.addRangeHighlighter(
first,
second,
HighlighterLayer.FIRST - 1,
attr,
HighlighterTargetArea.LINES_IN_RANGE);
highlighter.setThinErrorStripeMark(true);
highlighter.setGreedyToLeft(true);
highlighter.setGreedyToRight(true);
highlighter.setLineMarkerRenderer(LineStatusTrackerDrawing.createRenderer(range, this));
highlighter.setEditorFilter(MarkupEditorFilterFactory.createIsNotDiffFilter());
final String tooltip;
if (range.getLine1() == range.getLine2()) {
if (range.getVcsLine1() + 1 == range.getVcsLine2()) {
tooltip = VcsBundle.message("tooltip.text.line.before.deleted", range.getLine1() + 1);
} else {
tooltip =
VcsBundle.message(
"tooltip.text.lines.before.deleted",
range.getLine1() + 1,
range.getVcsLine2() - range.getVcsLine1());
}
} else if (range.getLine1() + 1 == range.getLine2()) {
tooltip = VcsBundle.message("tooltip.text.line.changed", range.getLine1() + 1);
} else {
tooltip =
VcsBundle.message("tooltip.text.lines.changed", range.getLine1() + 1, range.getLine2());
}
highlighter.setErrorStripeTooltip(tooltip);
return highlighter;
}
@Override
public void paint(Editor editor, Graphics g, Rectangle r) {
Color gutterColor = getGutterColor(myRange, editor);
Color borderColor = getGutterBorderColor(editor);
Rectangle area = getMarkerArea(editor, r, myRange.getLine1(), myRange.getLine2());
final int x = area.x;
final int endX = area.x + area.width;
final int y = area.y;
final int endY = area.y + area.height;
if (myRange.getInnerRanges() == null) { // Mode.DEFAULT
if (y != endY) {
paintRect(g, gutterColor, borderColor, x, y, endX, endY);
} else {
paintTriangle(g, gutterColor, borderColor, x, endX, y);
}
} else { // Mode.SMART
if (y == endY) {
paintTriangle(g, gutterColor, borderColor, x, endX, y);
} else {
List<Range.InnerRange> innerRanges = myRange.getInnerRanges();
for (Range.InnerRange innerRange : innerRanges) {
if (innerRange.getType() == Range.DELETED) continue;
int start = lineToY(editor, innerRange.getLine1());
int end = lineToY(editor, innerRange.getLine2());
paintRect(g, getGutterColor(innerRange, editor), null, x, start, endX, end);
}
for (int i = 0; i < innerRanges.size(); i++) {
Range.InnerRange innerRange = innerRanges.get(i);
if (innerRange.getType() != Range.DELETED) continue;
int start;
int end;
if (i == 0) {
start = lineToY(editor, innerRange.getLine1());
end = lineToY(editor, innerRange.getLine2()) + 5;
} else if (i == innerRanges.size() - 1) {
start = lineToY(editor, innerRange.getLine1()) - 5;
end = lineToY(editor, innerRange.getLine2());
} else {
start = lineToY(editor, innerRange.getLine1()) - 3;
end = lineToY(editor, innerRange.getLine2()) + 3;
}
paintRect(g, getGutterColor(innerRange, editor), null, x, start, endX, end);
}
paintRect(g, null, borderColor, x, y, endX, endY);
}
}
}
@NotNull
public TextRange getCurrentTextRange(@NotNull Range range) {
myApplication.assertReadAccessAllowed();
synchronized (myLock) {
if (!range.isValid()) {
LOG.warn("Current TextRange of invalid range");
}
return DiffUtil.getLinesRange(myDocument, range.getLine1(), range.getLine2());
}
}
@Nullable
public Range getPrevRange(int line) {
synchronized (myLock) {
for (int i = myRanges.size() - 1; i >= 0; i--) {
Range range = myRanges.get(i);
if (line > range.getLine1() && !range.isSelectedByLine(line)) {
return range;
}
}
return null;
}
}
@NotNull
private static String getTooltipText(@NotNull Range range) {
if (range.getLine1() == range.getLine2()) {
if (range.getVcsLine1() + 1 == range.getVcsLine2()) {
return VcsBundle.message("tooltip.text.line.before.deleted", range.getLine1() + 1);
} else {
return VcsBundle.message(
"tooltip.text.lines.before.deleted",
range.getLine1() + 1,
range.getVcsLine2() - range.getVcsLine1());
}
} else if (range.getLine1() + 1 == range.getLine2()) {
return VcsBundle.message("tooltip.text.line.changed", range.getLine1() + 1);
} else {
return VcsBundle.message(
"tooltip.text.lines.changed", range.getLine1() + 1, range.getLine2());
}
}
private void sortRanges(
int beforeChangedLine1,
int beforeChangedLine2,
int linesShift,
@NotNull List<Range> rangesBeforeChange,
@NotNull List<Range> changedRanges,
@NotNull List<Range> rangesAfterChange) {
if (!Registry.is("diff.status.tracker.skip.spaces")) {
for (Range range : myRanges) {
if (range.getLine2() < beforeChangedLine1) {
rangesBeforeChange.add(range);
} else if (range.getLine1() > beforeChangedLine2) {
rangesAfterChange.add(range);
} else {
changedRanges.add(range);
}
}
} else {
int lastBefore = -1;
int firstAfter = myRanges.size();
for (int i = 0; i < myRanges.size(); i++) {
Range range = myRanges.get(i);
if (range.getLine2() < beforeChangedLine1) {
lastBefore = i;
} else if (range.getLine1() > beforeChangedLine2) {
firstAfter = i;
break;
}
}
// Expand on ranges, that are separated from changes only by empty/whitespaces lines
// This is needed to reduce amount of confusing cases, when changed blocks are matched wrong
// due to matched empty lines between them
// TODO: try to simplify logic, it's too high change that current one is broken somehow
CharSequence sequence = myDocument.getCharsSequence();
int lineCount = getLineCount(myDocument);
while (true) {
if (lastBefore == -1) break;
if (lastBefore < myRanges.size() - 1 && firstAfter - lastBefore > 1) {
Range firstChangedRange = myRanges.get(lastBefore + 1);
if (firstChangedRange.getLine1() < beforeChangedLine1) {
beforeChangedLine1 = firstChangedRange.getLine1();
}
}
if (beforeChangedLine1 < 0) break;
if (beforeChangedLine1 >= lineCount) break;
int offset1 = myDocument.getLineStartOffset(beforeChangedLine1) - 2;
int deltaLines = 0;
while (offset1 > 0) {
char c = sequence.charAt(offset1);
if (!StringUtil.isWhiteSpace(c)) break;
if (c == '\n') deltaLines++;
offset1--;
}
if (deltaLines == 0) break;
beforeChangedLine1 -= deltaLines;
if (myRanges.get(lastBefore).getLine2() < beforeChangedLine1) break;
while (lastBefore != -1 && myRanges.get(lastBefore).getLine2() >= beforeChangedLine1) {
lastBefore--;
}
}
while (true) {
if (firstAfter == myRanges.size()) break;
if (firstAfter > 0 && firstAfter - lastBefore > 1) {
Range lastChangedRange = myRanges.get(firstAfter - 1);
if (lastChangedRange.getLine2() > beforeChangedLine2) {
beforeChangedLine2 = lastChangedRange.getLine2();
}
}
// TODO: "afterChangedLine2 >= getLineCount(myDocument)" shouldn't ever be true, but it is
// sometimes for some reason
int afterChangedLine2 = beforeChangedLine2 + linesShift - 1;
if (afterChangedLine2 < 0) break;
if (afterChangedLine2 >= lineCount) break;
int offset2 = myDocument.getLineEndOffset(afterChangedLine2) + 1;
int deltaLines = 0;
while (offset2 < sequence.length()) {
char c = sequence.charAt(offset2);
if (!StringUtil.isWhiteSpace(c)) break;
if (c == '\n') deltaLines++;
offset2++;
}
if (deltaLines == 0) break;
beforeChangedLine2 += deltaLines;
if (myRanges.get(firstAfter).getLine1() > beforeChangedLine2) break;
while (firstAfter != myRanges.size()
&& myRanges.get(firstAfter).getLine1() <= beforeChangedLine2) {
firstAfter++;
}
}
for (int i = 0; i < myRanges.size(); i++) {
Range range = myRanges.get(i);
if (i <= lastBefore) {
rangesBeforeChange.add(range);
} else if (i >= firstAfter) {
rangesAfterChange.add(range);
} else {
changedRanges.add(range);
}
}
}
}
private static int getVcsLine2(
@Nullable Range range, int line, int totalLinesBefore, int totalLinesAfter) {
return range == null
? totalLinesAfter - totalLinesBefore + line
: line + range.getVcsLine1() - range.getLine1();
}