private String getDisplayInfoInternal(boolean showPackageInfo, int totalTextLength) {
final RangeHighlighter highlighter = getHighlighter();
if (highlighter.isValid() && isValid()) {
final int lineNumber =
(highlighter.getDocument().getLineNumber(highlighter.getStartOffset()) + 1);
String className = getClassName();
final boolean hasClassInfo = className != null && className.length() > 0;
final boolean hasMethodInfo = myMethodName != null && myMethodName.length() > 0;
if (hasClassInfo || hasMethodInfo) {
final StringBuilder info = StringBuilderSpinAllocator.alloc();
try {
boolean isFile = getSourcePosition().getFile().getName().equals(className);
String packageName = null;
if (hasClassInfo) {
final int dotIndex = className.lastIndexOf(".");
if (dotIndex >= 0 && !isFile) {
packageName = className.substring(0, dotIndex);
className = className.substring(dotIndex + 1);
}
if (totalTextLength != -1) {
if (className.length() + (hasMethodInfo ? myMethodName.length() : 0)
> totalTextLength + 3) {
int offset = totalTextLength - (hasMethodInfo ? myMethodName.length() : 0);
if (offset > 0 && offset < className.length()) {
className = className.substring(className.length() - offset);
info.append("...");
}
}
}
info.append(className);
}
if (hasMethodInfo) {
if (isFile) {
info.append(":");
} else if (hasClassInfo) {
info.append(".");
}
info.append(myMethodName);
}
if (showPackageInfo && packageName != null) {
info.append(" (").append(packageName).append(")");
}
return DebuggerBundle.message(
"line.breakpoint.display.name.with.class.or.method", lineNumber, info.toString());
} finally {
StringBuilderSpinAllocator.dispose(info);
}
}
return DebuggerBundle.message("line.breakpoint.display.name", lineNumber);
}
return DebuggerBundle.message("status.breakpoint.invalid");
}
@Nullable
public Document getDocument() {
final RangeHighlighter highlighter = getHighlighter();
if (highlighter != null) {
return highlighter.getDocument();
}
final SourcePosition position = getSourcePosition();
if (position != null) {
final PsiFile file = position.getFile();
return PsiDocumentManager.getInstance(getProject()).getDocument(file);
}
return null;
}
@CalledInAwt
void setResolved(@NotNull Side side, boolean value) {
myResolved[side.getIndex()] = value;
markInnerFragmentsDamaged();
if (isResolved()) {
destroyInnerHighlighter();
} else {
// Destroy only resolved side to reduce blinking
Document document =
myViewer.getEditor(side.select(ThreeSide.LEFT, ThreeSide.RIGHT)).getDocument();
for (RangeHighlighter highlighter : myInnerHighlighters) {
if (document.equals(highlighter.getDocument())) {
highlighter.dispose(); // it's OK to call dispose() few times
}
}
}
}
@Override
@SuppressWarnings({"AssignmentToForLoopParameter"})
public void paint(
@NotNull Editor editor, @NotNull RangeHighlighter highlighter, @NotNull Graphics g) {
int startOffset = highlighter.getStartOffset();
final Document doc = highlighter.getDocument();
if (startOffset >= doc.getTextLength()) return;
final int endOffset = highlighter.getEndOffset();
final int endLine = doc.getLineNumber(endOffset);
int off;
int startLine = doc.getLineNumber(startOffset);
IndentGuideDescriptor descriptor =
editor.getIndentsModel().getDescriptor(startLine, endLine);
final CharSequence chars = doc.getCharsSequence();
do {
int start = doc.getLineStartOffset(startLine);
int end = doc.getLineEndOffset(startLine);
off = CharArrayUtil.shiftForward(chars, start, end, " \t");
startLine--;
} while (startLine > 1 && off < doc.getTextLength() && chars.charAt(off) == '\n');
final VisualPosition startPosition = editor.offsetToVisualPosition(off);
int indentColumn = startPosition.column;
// It's considered that indent guide can cross not only white space but comments, javadocs
// etc. Hence, there is a possible
// case that the first indent guide line is, say, single-line comment where comment
// symbols ('//') are located at the first
// visual column. We need to calculate correct indent guide column then.
int lineShift = 1;
if (indentColumn <= 0 && descriptor != null) {
indentColumn = descriptor.indentLevel;
lineShift = 0;
}
if (indentColumn <= 0) return;
final FoldingModel foldingModel = editor.getFoldingModel();
if (foldingModel.isOffsetCollapsed(off)) return;
final FoldRegion headerRegion =
foldingModel.getCollapsedRegionAtOffset(doc.getLineEndOffset(doc.getLineNumber(off)));
final FoldRegion tailRegion =
foldingModel.getCollapsedRegionAtOffset(
doc.getLineStartOffset(doc.getLineNumber(endOffset)));
if (tailRegion != null && tailRegion == headerRegion) return;
final boolean selected;
final IndentGuideDescriptor guide = editor.getIndentsModel().getCaretIndentGuide();
if (guide != null) {
final CaretModel caretModel = editor.getCaretModel();
final int caretOffset = caretModel.getOffset();
selected =
caretOffset >= off
&& caretOffset < endOffset
&& caretModel.getLogicalPosition().column == indentColumn;
} else {
selected = false;
}
Point start =
editor.visualPositionToXY(
new VisualPosition(startPosition.line + lineShift, indentColumn));
final VisualPosition endPosition = editor.offsetToVisualPosition(endOffset);
Point end =
editor.visualPositionToXY(new VisualPosition(endPosition.line, endPosition.column));
int maxY = end.y;
if (endPosition.line == editor.offsetToVisualPosition(doc.getTextLength()).line) {
maxY += editor.getLineHeight();
}
Rectangle clip = g.getClipBounds();
if (clip != null) {
if (clip.y >= maxY || clip.y + clip.height <= start.y) {
return;
}
maxY = Math.min(maxY, clip.y + clip.height);
}
final EditorColorsScheme scheme = editor.getColorsScheme();
g.setColor(
selected
? scheme.getColor(EditorColors.SELECTED_INDENT_GUIDE_COLOR)
: scheme.getColor(EditorColors.INDENT_GUIDE_COLOR));
// There is a possible case that indent line intersects soft wrap-introduced text.
// Example:
// this is a long line <soft-wrap>
// that| is soft-wrapped
// |
// | <- vertical indent
//
// Also it's possible that no additional intersections are added because of soft wrap:
// this is a long line <soft-wrap>
// | that is soft-wrapped
// |
// | <- vertical indent
// We want to use the following approach then:
// 1. Show only active indent if it crosses soft wrap-introduced text;
// 2. Show indent as is if it doesn't intersect with soft wrap-introduced text;
if (selected) {
g.drawLine(start.x + 2, start.y, start.x + 2, maxY);
} else {
int y = start.y;
int newY = start.y;
SoftWrapModel softWrapModel = editor.getSoftWrapModel();
int lineHeight = editor.getLineHeight();
for (int i = Math.max(0, startLine + lineShift); i < endLine && newY < maxY; i++) {
List<? extends SoftWrap> softWraps = softWrapModel.getSoftWrapsForLine(i);
int logicalLineHeight = softWraps.size() * lineHeight;
if (i > startLine + lineShift) {
logicalLineHeight +=
lineHeight; // We assume that initial 'y' value points just below the target
// line.
}
if (!softWraps.isEmpty() && softWraps.get(0).getIndentInColumns() < indentColumn) {
if (y < newY
|| i
> startLine
+ lineShift) { // There is a possible case that soft wrap is located on
// indent start line.
g.drawLine(start.x + 2, y, start.x + 2, newY + lineHeight);
}
newY += logicalLineHeight;
y = newY;
} else {
newY += logicalLineHeight;
}
FoldRegion foldRegion =
foldingModel.getCollapsedRegionAtOffset(doc.getLineEndOffset(i));
if (foldRegion != null && foldRegion.getEndOffset() < doc.getTextLength()) {
i = doc.getLineNumber(foldRegion.getEndOffset());
}
}
if (y < maxY) {
g.drawLine(start.x + 2, y, start.x + 2, maxY);
}
}
}
