public void testRemoveHugeLogicalLineThatLaysBeforeSoftWrappedLines() throws IOException {
String text =
"short line\n"
+ "this is a long line that is expected to be soft wrapped into more than one or even two visual lines\n"
+ "1. just a line that is long enough to be soft wrapped\n"
+ "2. just a line that is long enough to be soft wrapped\n"
+ "3. just a line that is long enough to be soft wrapped\n"
+ "4. just a line that is long enough to be soft wrapped";
init(15, text);
Document document = myEditor.getDocument();
int start = document.getLineStartOffset(1);
int end = document.getLineEndOffset(1) + 1;
int visualLinesToRemove = getSoftWrapModel().getSoftWrapsForLine(1).size() + 1;
List<VisualPosition> positionsBefore = new ArrayList<VisualPosition>();
for (int i = end; i < text.length(); i++) {
positionsBefore.add(myEditor.offsetToVisualPosition(i));
}
Collections.reverse(positionsBefore);
myEditor.getSelectionModel().setSelection(start, end);
delete();
// Check that all remembered positions are just shifted to expected number of visual lines.
for (int i = start; i < document.getTextLength(); i++) {
VisualPosition position = positionsBefore.remove(positionsBefore.size() - 1);
assertEquals(
new VisualPosition(position.line - visualLinesToRemove, position.column),
myEditor.offsetToVisualPosition(i));
}
}
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);
}
public void testPastingInsideSelection() throws IOException {
String text =
"this is line number 0\n"
+ "this is line number 1\n"
+ "this is line number 2\n"
+ "this is line number 3\n"
+ "this is line number 4\n"
+ "this is line number 5\n"
+ "this is line number 6\n"
+ "this is the last line";
init(100, text);
int lineToSelect = 4;
myEditor.getCaretModel().moveToOffset(text.indexOf("number " + lineToSelect));
Document document = myEditor.getDocument();
int startOffset = document.getLineStartOffset(lineToSelect);
int endOffset = document.getLineEndOffset(lineToSelect);
myEditor.getSelectionModel().setSelection(startOffset, endOffset);
VisualPosition positionBefore =
myEditor.offsetToVisualPosition(document.getLineStartOffset(lineToSelect + 1));
List<SoftWrap> softWrapsBefore = new ArrayList<>(getSoftWrapModel().getRegisteredSoftWraps());
copy();
paste();
assertEquals(
positionBefore,
myEditor.offsetToVisualPosition(document.getLineStartOffset(lineToSelect + 1)));
assertEquals(softWrapsBefore, getSoftWrapModel().getRegisteredSoftWraps());
}
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 boolean isLineEmpty(final int line) {
final CharSequence chars = myDocument.getCharsSequence();
int start = myDocument.getLineStartOffset(line);
int end = Math.min(myDocument.getLineEndOffset(line), myDocument.getTextLength() - 1);
for (int i = start; i <= end; i++) {
if (!Character.isWhitespace(chars.charAt(i))) return false;
}
return true;
}
private boolean isBlankLine(int line, CharSequence chars) {
Document document = myDocument;
if (document == null) {
return true;
}
int startOffset = document.getLineStartOffset(line);
int endOffset = document.getLineEndOffset(line);
return CharArrayUtil.shiftForward(chars, startOffset, endOffset, " \t")
>= myDocument.getLineEndOffset(line);
}
private static boolean lineContainsNonSpaces(final Document document, final int line) {
if (line >= document.getLineCount()) {
return false;
}
int lineStartOffset = document.getLineStartOffset(line);
int lineEndOffset = document.getLineEndOffset(line);
@NonNls
String text =
document.getCharsSequence().subSequence(lineStartOffset, lineEndOffset).toString();
return text.trim().length() != 0;
}
public static int insertStringAtCaret(
Editor editor,
@NotNull String s,
boolean toProcessOverwriteMode,
boolean toMoveCaret,
int caretShift) {
final SelectionModel selectionModel = editor.getSelectionModel();
if (selectionModel.hasSelection()) {
editor.getCaretModel().moveToOffset(selectionModel.getSelectionStart(), true);
}
// There is a possible case that particular soft wraps become hard wraps if the caret is located
// at soft wrap-introduced virtual
// space, hence, we need to give editor a chance to react accordingly.
editor.getSoftWrapModel().beforeDocumentChangeAtCaret();
int oldOffset = editor.getCaretModel().getOffset();
String filler = calcStringToFillVirtualSpace(editor);
if (filler.length() > 0) {
s = filler + s;
}
Document document = editor.getDocument();
if (editor.isInsertMode() || !toProcessOverwriteMode) {
if (selectionModel.hasSelection()) {
oldOffset = selectionModel.getSelectionStart();
document.replaceString(
selectionModel.getSelectionStart(), selectionModel.getSelectionEnd(), s);
} else {
document.insertString(oldOffset, s);
}
} else {
deleteSelectedText(editor);
int lineNumber = editor.getCaretModel().getLogicalPosition().line;
if (lineNumber >= document.getLineCount()) {
return insertStringAtCaret(editor, s, false, toMoveCaret);
}
int endOffset = document.getLineEndOffset(lineNumber);
document.replaceString(oldOffset, Math.min(endOffset, oldOffset + s.length()), s);
}
int offset = oldOffset + filler.length() + caretShift;
if (toMoveCaret) {
editor.getCaretModel().moveToOffset(offset, true);
editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
selectionModel.removeSelection();
} else if (editor.getCaretModel().getOffset()
!= oldOffset) { // handling the case when caret model tracks document changes
editor.getCaretModel().moveToOffset(oldOffset);
}
return offset;
}
@Nullable
private static String getPropertyName(@NotNull Document document, int line) {
int startOffset = document.getLineStartOffset(line);
int endOffset =
StringUtil.indexOf(
document.getCharsSequence(), '=', startOffset, document.getLineEndOffset(line));
if (endOffset <= startOffset) {
return null;
}
String propertyName =
document.getCharsSequence().subSequence(startOffset, endOffset).toString().trim();
return propertyName.isEmpty() ? null : propertyName;
}
/**
* Calculates difference in columns between current editor caret position and end of the logical
* line fragment displayed on a current visual line.
*
* @param editor target editor
* @return difference in columns between current editor caret position and end of the logical line
* fragment displayed on a current visual line
*/
public static int calcAfterLineEnd(Editor editor) {
Document document = editor.getDocument();
CaretModel caretModel = editor.getCaretModel();
LogicalPosition logicalPosition = caretModel.getLogicalPosition();
int lineNumber = logicalPosition.line;
int columnNumber = logicalPosition.column;
if (lineNumber >= document.getLineCount()) {
return columnNumber;
}
int caretOffset = caretModel.getOffset();
int anchorLineEndOffset = document.getLineEndOffset(lineNumber);
List<? extends SoftWrap> softWraps =
editor.getSoftWrapModel().getSoftWrapsForLine(logicalPosition.line);
for (SoftWrap softWrap : softWraps) {
if (!editor.getSoftWrapModel().isVisible(softWrap)) {
continue;
}
int softWrapOffset = softWrap.getStart();
if (softWrapOffset == caretOffset) {
// There are two possible situations:
// *) caret is located on a visual line before soft wrap-introduced line feed;
// *) caret is located on a visual line after soft wrap-introduced line feed;
VisualPosition position = editor.offsetToVisualPosition(caretOffset - 1);
VisualPosition visualCaret = caretModel.getVisualPosition();
if (position.line == visualCaret.line) {
return visualCaret.column - position.column - 1;
}
}
if (softWrapOffset > caretOffset) {
anchorLineEndOffset = softWrapOffset;
break;
}
// Same offset corresponds to all soft wrap-introduced symbols, however, current method should
// behave differently in
// situations when the caret is located just before the soft wrap and at the next visual line.
if (softWrapOffset == caretOffset) {
boolean visuallyBeforeSoftWrap =
caretModel.getVisualPosition().line < editor.offsetToVisualPosition(caretOffset).line;
if (visuallyBeforeSoftWrap) {
anchorLineEndOffset = softWrapOffset;
break;
}
}
}
int lineEndColumnNumber = editor.offsetToLogicalPosition(anchorLineEndOffset).column;
return columnNumber - lineEndColumnNumber;
}
@Override
@NotNull
public List<? extends SoftWrap> getSoftWrapsForLine(int documentLine) {
if (!isSoftWrappingEnabled() || documentLine < 0) {
return Collections.emptyList();
}
Document document = myEditor.getDocument();
int start = document.getLineStartOffset(documentLine);
int end = document.getLineEndOffset(documentLine);
return getSoftWrapsForRange(
start,
end
+ 1 /* it's theoretically possible that soft wrap is registered just before the line feed,
* hence, we add '1' here assuming that end line offset points to line feed symbol */);
}
private boolean isLineCommented(
final int line, final CharSequence chars, final Commenter commenter) {
boolean commented;
int lineEndForBlockCommenting = -1;
int lineStart = myDocument.getLineStartOffset(line);
lineStart = CharArrayUtil.shiftForward(chars, lineStart, " \t");
if (commenter instanceof SelfManagingCommenter) {
final SelfManagingCommenter selfManagingCommenter = (SelfManagingCommenter) commenter;
commented =
selfManagingCommenter.isLineCommented(
line, lineStart, myDocument, myCommenterStateMap.get(selfManagingCommenter));
} else {
String prefix = commenter.getLineCommentPrefix();
if (prefix != null) {
commented =
CharArrayUtil.regionMatches(chars, lineStart, prefix)
|| prefix.endsWith(" ")
&& CharArrayUtil.regionMatches(chars, lineStart, prefix.trim() + "\n");
} else {
prefix = commenter.getBlockCommentPrefix();
String suffix = commenter.getBlockCommentSuffix();
final int textLength = myDocument.getTextLength();
lineEndForBlockCommenting = myDocument.getLineEndOffset(line);
if (lineEndForBlockCommenting == textLength) {
final int shifted = CharArrayUtil.shiftBackward(chars, textLength - 1, " \t");
if (shifted < textLength - 1) lineEndForBlockCommenting = shifted;
} else {
lineEndForBlockCommenting =
CharArrayUtil.shiftBackward(chars, lineEndForBlockCommenting, " \t");
}
commented =
lineStart == lineEndForBlockCommenting && myStartLine != myEndLine
|| CharArrayUtil.regionMatches(chars, lineStart, prefix)
&& CharArrayUtil.regionMatches(
chars, lineEndForBlockCommenting - suffix.length(), suffix);
}
}
if (commented) {
myStartOffsets[line - myStartLine] = lineStart;
myEndOffsets[line - myStartLine] = lineEndForBlockCommenting;
}
return commented;
}
@Nullable
private Commenter findCommenter(final int line) {
final FileType fileType = myFile.getFileType();
if (fileType instanceof AbstractFileType) {
return ((AbstractFileType) fileType).getCommenter();
}
int lineStartOffset = myDocument.getLineStartOffset(line);
int lineEndOffset = myDocument.getLineEndOffset(line) - 1;
final CharSequence charSequence = myDocument.getCharsSequence();
lineStartOffset = CharArrayUtil.shiftForward(charSequence, lineStartOffset, " \t");
lineEndOffset =
CharArrayUtil.shiftBackward(charSequence, lineEndOffset < 0 ? 0 : lineEndOffset, " \t");
final Language lineStartLanguage = PsiUtilBase.getLanguageAtOffset(myFile, lineStartOffset);
final Language lineEndLanguage = PsiUtilBase.getLanguageAtOffset(myFile, lineEndOffset);
return CommentByBlockCommentHandler.getCommenter(
myFile, myEditor, lineStartLanguage, lineEndLanguage);
}
private static void logInitial(
@NotNull Editor editor,
@NotNull int[] startOffsets,
@NotNull int[] endOffsets,
int indentSymbolsToStrip,
int firstLineStartOffset) {
if (!Registry.is("editor.richcopy.debug")) {
return;
}
StringBuilder buffer = new StringBuilder();
Document document = editor.getDocument();
CharSequence text = document.getCharsSequence();
for (int i = 0; i < startOffsets.length; i++) {
int start = startOffsets[i];
int lineStart = document.getLineStartOffset(document.getLineNumber(start));
int end = endOffsets[i];
int lineEnd = document.getLineEndOffset(document.getLineNumber(end));
buffer
.append(" region #")
.append(i)
.append(": ")
.append(start)
.append('-')
.append(end)
.append(", text at range ")
.append(lineStart)
.append('-')
.append(lineEnd)
.append(": \n'")
.append(text.subSequence(lineStart, lineEnd))
.append("'\n");
}
if (buffer.length() > 0) {
buffer.setLength(buffer.length() - 1);
}
LOG.info(
String.format(
"Preparing syntax-aware text. Given: %s selection, indent symbols to strip=%d, first line start offset=%d, selected text:%n%s",
startOffsets.length > 1 ? "block" : "regular",
indentSymbolsToStrip,
firstLineStartOffset,
buffer));
}
public static String getNewText(PsiElement elt) {
Project project = elt.getProject();
PsiFile psiFile = getContainingFile(elt);
final Document doc = PsiDocumentManager.getInstance(project).getDocument(psiFile);
if (doc == null) return null;
final ImplementationTextSelectioner implementationTextSelectioner =
LanguageImplementationTextSelectioner.INSTANCE.forLanguage(elt.getLanguage());
int start = implementationTextSelectioner.getTextStartOffset(elt);
final int end = implementationTextSelectioner.getTextEndOffset(elt);
final int lineStart = doc.getLineStartOffset(doc.getLineNumber(start));
final int lineEnd =
end < doc.getTextLength()
? doc.getLineEndOffset(doc.getLineNumber(end))
: doc.getTextLength();
return doc.getCharsSequence().subSequence(lineStart, lineEnd).toString();
}
private int yPositionToOffset(int y, boolean beginLine) {
if (myEditorScrollbarTop == -1 || myEditorTargetHeight == -1) {
recalcEditorDimensions();
}
final int safeY = Math.max(0, y - myEditorScrollbarTop);
VisualPosition visual;
if (myEditorSourceHeight < myEditorTargetHeight) {
visual = myEditor.xyToVisualPosition(new Point(0, safeY));
} else {
float fraction = Math.max(0, Math.min(1, safeY / (float) myEditorTargetHeight));
final int lineCount = myEditorSourceHeight / myEditor.getLineHeight();
visual = new VisualPosition((int) (fraction * lineCount), 0);
}
int line = myEditor.visualToLogicalPosition(visual).line;
Document document = myEditor.getDocument();
if (line < 0) return 0;
if (line >= document.getLineCount()) return document.getTextLength();
return beginLine ? document.getLineStartOffset(line) : document.getLineEndOffset(line);
}
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 static Pair<Integer /* start offset to use */, Integer /* indent symbols to strip */>
calcIndentSymbolsToStrip(@NotNull Document document, int startOffset, int endOffset) {
int startLine = document.getLineNumber(startOffset);
int endLine = document.getLineNumber(endOffset);
CharSequence text = document.getCharsSequence();
int maximumCommonIndent = Integer.MAX_VALUE;
int firstLineStart = startOffset;
int firstLineEnd = startOffset;
for (int line = startLine; line <= endLine; line++) {
int lineStartOffset = document.getLineStartOffset(line);
int lineEndOffset = document.getLineEndOffset(line);
if (line == startLine) {
firstLineStart = lineStartOffset;
firstLineEnd = lineEndOffset;
}
int nonWsOffset = lineEndOffset;
for (int i = lineStartOffset;
i < lineEndOffset && (i - lineStartOffset) < maximumCommonIndent && i < endOffset;
i++) {
char c = text.charAt(i);
if (c != ' ' && c != '\t') {
nonWsOffset = i;
break;
}
}
if (nonWsOffset >= lineEndOffset) {
continue; // Blank line
}
int indent = nonWsOffset - lineStartOffset;
maximumCommonIndent = Math.min(maximumCommonIndent, indent);
if (maximumCommonIndent == 0) {
break;
}
}
int startOffsetToUse =
Math.min(firstLineEnd, Math.max(startOffset, firstLineStart + maximumCommonIndent));
return Pair.create(startOffsetToUse, maximumCommonIndent);
}
private void paintHighlighterAfterEndOfLine(Graphics2D g, RangeHighlighterEx highlighter) {
if (!highlighter.isAfterEndOfLine()) {
return;
}
int startOffset = highlighter.getStartOffset();
int lineEndOffset = myDocument.getLineEndOffset(myDocument.getLineNumber(startOffset));
if (myEditor.getFoldingModel().isOffsetCollapsed(lineEndOffset)) return;
Point lineEnd = myView.offsetToXY(lineEndOffset, true, false);
int x = lineEnd.x;
int y = lineEnd.y;
TextAttributes attributes = highlighter.getTextAttributes();
paintBackground(g, attributes, x, y, myView.getPlainSpaceWidth());
if (attributes != null
&& hasTextEffect(attributes.getEffectColor(), attributes.getEffectType())) {
paintTextEffect(
g,
x,
x + myView.getPlainSpaceWidth() - 1,
y + myView.getAscent(),
attributes.getEffectColor(),
attributes.getEffectType());
}
}
private void generateJavadoc(CodeDocumentationAwareCommenter commenter)
throws IncorrectOperationException {
CodeInsightSettings settings = CodeInsightSettings.getInstance();
StringBuilder buffer = new StringBuilder();
final String docCommentLinePrefix = commenter.getDocumentationCommentLinePrefix();
if (docCommentLinePrefix == null) {
return;
}
// There are at least two approaches for completing javadoc in case there is a text between
// current caret position and line end:
// 1. Move that tail text below the javadoc. Use-case:
// Before:
// /**<caret>public void foo() {}
// After:
// /**
// */
// public void foo() {}
// 2. Move the tail text inside the javadoc. Use-case:
// Before:
// /**This is <caret>javadoc description
// After:
// /** This is
// * javadoc description
// */
// The later is most relevant when we have 'auto wrap when typing reaches right margin' option
// set, i.e. user starts javadoc
// and types until right margin is reached. We want the wrapped text tail to be located inside
// javadoc and continue typing
// inside it. So, we have a control flow branch below that does the trick.
buffer.append(docCommentLinePrefix);
if (DataManager.getInstance()
.loadFromDataContext(
myDataContext, AutoHardWrapHandler.AUTO_WRAP_LINE_IN_PROGRESS_KEY)
== Boolean.TRUE) {
myDocument.insertString(myOffset, buffer);
// We create new buffer here because the one referenced by current 'buffer' variable value
// may be already referenced at another
// place (e.g. 'undo' processing stuff).
buffer =
new StringBuilder(LINE_SEPARATOR).append(commenter.getDocumentationCommentSuffix());
int line = myDocument.getLineNumber(myOffset);
myOffset = myDocument.getLineEndOffset(line);
} else {
buffer.append(LINE_SEPARATOR);
buffer.append(commenter.getDocumentationCommentSuffix());
}
PsiComment comment = createComment(buffer, settings);
if (comment == null) {
return;
}
myOffset = comment.getTextRange().getStartOffset();
CharSequence text = myDocument.getCharsSequence();
myOffset = CharArrayUtil.shiftForwardUntil(text, myOffset, LINE_SEPARATOR);
myOffset = CharArrayUtil.shiftForward(text, myOffset, LINE_SEPARATOR);
myOffset = CharArrayUtil.shiftForwardUntil(text, myOffset, docCommentLinePrefix) + 1;
removeTrailingSpaces(myDocument, myOffset);
if (!CodeStyleSettingsManager.getSettings(getProject()).JD_LEADING_ASTERISKS_ARE_ENABLED) {
LOG.assertTrue(
CharArrayUtil.regionMatches(
myDocument.getCharsSequence(),
myOffset - docCommentLinePrefix.length(),
docCommentLinePrefix));
myDocument.deleteString(myOffset - docCommentLinePrefix.length(), myOffset);
myOffset--;
} else {
myDocument.insertString(myOffset, " ");
myOffset++;
}
PsiDocumentManager.getInstance(getProject()).commitAllDocuments();
}
private void paintBorderEffect(
Graphics2D g,
ClipDetector clipDetector,
int startOffset,
int endOffset,
TextAttributes attributes) {
if (!clipDetector.rangeCanBeVisible(startOffset, endOffset)) return;
int startLine = myDocument.getLineNumber(startOffset);
int endLine = myDocument.getLineNumber(endOffset);
if (startLine + 1 == endLine
&& startOffset == myDocument.getLineStartOffset(startLine)
&& endOffset == myDocument.getLineStartOffset(endLine)) {
// special case of line highlighters
endLine--;
endOffset = myDocument.getLineEndOffset(endLine);
}
boolean rounded = attributes.getEffectType() == EffectType.ROUNDED_BOX;
int lineHeight = myView.getLineHeight() - 1;
g.setColor(attributes.getEffectColor());
VisualPosition startPosition = myView.offsetToVisualPosition(startOffset, true, false);
VisualPosition endPosition = myView.offsetToVisualPosition(endOffset, false, true);
if (startPosition.line == endPosition.line) {
int y = myView.visualLineToY(startPosition.line);
TFloatArrayList ranges = adjustedLogicalRangeToVisualRanges(startOffset, endOffset);
for (int i = 0; i < ranges.size() - 1; i += 2) {
int startX = (int) ranges.get(i);
int endX = (int) ranges.get(i + 1);
if (rounded) {
UIUtil.drawRectPickedOut(g, startX, y, endX - startX, lineHeight);
} else {
g.drawRect(startX, y, endX - startX, lineHeight);
}
}
} else {
int maxWidth = myView.getMaxWidthInLineRange(startPosition.line, endPosition.line) - 1;
TFloatArrayList leadingRanges =
adjustedLogicalRangeToVisualRanges(
startOffset,
myView.visualPositionToOffset(
new VisualPosition(startPosition.line, Integer.MAX_VALUE, true)));
TFloatArrayList trailingRanges =
adjustedLogicalRangeToVisualRanges(
myView.visualPositionToOffset(new VisualPosition(endPosition.line, 0)), endOffset);
if (!leadingRanges.isEmpty() && !trailingRanges.isEmpty()) {
boolean containsInnerLines = endPosition.line > startPosition.line + 1;
int leadingTopY = myView.visualLineToY(startPosition.line);
int leadingBottomY = leadingTopY + lineHeight;
int trailingTopY = myView.visualLineToY(endPosition.line);
int trailingBottomY = trailingTopY + lineHeight;
float start = 0;
float end = 0;
float leftGap = leadingRanges.get(0) - (containsInnerLines ? 0 : trailingRanges.get(0));
int adjustY =
leftGap == 0 ? 2 : leftGap > 0 ? 1 : 0; // avoiding 1-pixel gap between aligned lines
for (int i = 0; i < leadingRanges.size() - 1; i += 2) {
start = leadingRanges.get(i);
end = leadingRanges.get(i + 1);
if (i > 0) {
drawLine(g, leadingRanges.get(i - 1), leadingBottomY, start, leadingBottomY, rounded);
}
drawLine(g, start, leadingBottomY + (i == 0 ? adjustY : 0), start, leadingTopY, rounded);
if ((i + 2) < leadingRanges.size()) {
drawLine(g, start, leadingTopY, end, leadingTopY, rounded);
drawLine(g, end, leadingTopY, end, leadingBottomY, rounded);
}
}
end = Math.max(end, maxWidth);
drawLine(g, start, leadingTopY, end, leadingTopY, rounded);
drawLine(g, end, leadingTopY, end, trailingTopY - 1, rounded);
float targetX = trailingRanges.get(trailingRanges.size() - 1);
drawLine(g, end, trailingTopY - 1, targetX, trailingTopY - 1, rounded);
adjustY =
end == targetX
? -2
: -1; // for lastX == targetX we need to avoid a gap when rounding is used
for (int i = trailingRanges.size() - 2; i >= 0; i -= 2) {
start = trailingRanges.get(i);
end = trailingRanges.get(i + 1);
drawLine(g, end, trailingTopY + (i == 0 ? adjustY : 0), end, trailingBottomY, rounded);
drawLine(g, end, trailingBottomY, start, trailingBottomY, rounded);
drawLine(g, start, trailingBottomY, start, trailingTopY, rounded);
if (i > 0) {
drawLine(g, start, trailingTopY, trailingRanges.get(i - 1), trailingTopY, rounded);
}
}
float lastX = start;
if (containsInnerLines) {
if (start > 0) {
drawLine(g, start, trailingTopY, start, trailingTopY - 1, rounded);
drawLine(g, start, trailingTopY - 1, 0, trailingTopY - 1, rounded);
drawLine(g, 0, trailingTopY - 1, 0, leadingBottomY + 1, rounded);
} else {
drawLine(g, start, trailingTopY, 0, leadingBottomY + 1, rounded);
}
lastX = 0;
}
targetX = leadingRanges.get(0);
if (lastX < targetX) {
drawLine(g, lastX, leadingBottomY + 1, targetX, leadingBottomY + 1, rounded);
} else {
drawLine(g, lastX, leadingBottomY + 1, lastX, leadingBottomY, rounded);
drawLine(g, lastX, leadingBottomY, targetX, leadingBottomY, rounded);
}
}
}
}
private void doComment() {
myStartLine = myDocument.getLineNumber(myStartOffset);
myEndLine = myDocument.getLineNumber(myEndOffset);
if (myEndLine > myStartLine && myDocument.getLineStartOffset(myEndLine) == myEndOffset) {
myEndLine--;
}
myStartOffsets = new int[myEndLine - myStartLine + 1];
myEndOffsets = new int[myEndLine - myStartLine + 1];
myCommenters = new Commenter[myEndLine - myStartLine + 1];
myCommenterStateMap = new THashMap<SelfManagingCommenter, CommenterDataHolder>();
CharSequence chars = myDocument.getCharsSequence();
boolean singleline = myStartLine == myEndLine;
int offset = myDocument.getLineStartOffset(myStartLine);
offset = CharArrayUtil.shiftForward(myDocument.getCharsSequence(), offset, " \t");
final Language languageSuitableForCompleteFragment =
PsiUtilBase.reallyEvaluateLanguageInRange(
offset,
CharArrayUtil.shiftBackward(
myDocument.getCharsSequence(), myDocument.getLineEndOffset(myEndLine), " \t\n"),
myFile);
Commenter blockSuitableCommenter =
languageSuitableForCompleteFragment == null
? LanguageCommenters.INSTANCE.forLanguage(myFile.getLanguage())
: null;
if (blockSuitableCommenter == null && myFile.getFileType() instanceof AbstractFileType) {
blockSuitableCommenter =
new Commenter() {
final SyntaxTable mySyntaxTable =
((AbstractFileType) myFile.getFileType()).getSyntaxTable();
@Nullable
public String getLineCommentPrefix() {
return mySyntaxTable.getLineComment();
}
@Nullable
public String getBlockCommentPrefix() {
return mySyntaxTable.getStartComment();
}
@Nullable
public String getBlockCommentSuffix() {
return mySyntaxTable.getEndComment();
}
public String getCommentedBlockCommentPrefix() {
return null;
}
public String getCommentedBlockCommentSuffix() {
return null;
}
};
}
boolean allLineCommented = true;
boolean commentWithIndent =
!CodeStyleSettingsManager.getSettings(myProject).LINE_COMMENT_AT_FIRST_COLUMN;
for (int line = myStartLine; line <= myEndLine; line++) {
Commenter commenter =
blockSuitableCommenter != null ? blockSuitableCommenter : findCommenter(line);
if (commenter == null) return;
if (commenter.getLineCommentPrefix() == null
&& (commenter.getBlockCommentPrefix() == null
|| commenter.getBlockCommentSuffix() == null)) {
return;
}
if (commenter instanceof SelfManagingCommenter
&& myCommenterStateMap.get(commenter) == null) {
final SelfManagingCommenter selfManagingCommenter = (SelfManagingCommenter) commenter;
CommenterDataHolder state =
selfManagingCommenter.createLineCommentingState(
myStartLine, myEndLine, myDocument, myFile);
if (state == null) state = SelfManagingCommenter.EMPTY_STATE;
myCommenterStateMap.put(selfManagingCommenter, state);
}
myCommenters[line - myStartLine] = commenter;
if (!isLineCommented(line, chars, commenter) && (singleline || !isLineEmpty(line))) {
allLineCommented = false;
if (commenter instanceof IndentedCommenter) {
final Boolean value = ((IndentedCommenter) commenter).forceIndentedLineComment();
if (value != null) {
commentWithIndent = value;
}
}
break;
}
}
if (!allLineCommented) {
if (!commentWithIndent) {
doDefaultCommenting(blockSuitableCommenter);
} else {
doIndentCommenting(blockSuitableCommenter);
}
} else {
for (int line = myEndLine; line >= myStartLine; line--) {
uncommentLine(line);
// int offset1 = myStartOffsets[line - myStartLine];
// int offset2 = myEndOffsets[line - myStartLine];
// if (offset1 == offset2) continue;
// Commenter commenter = myCommenters[line - myStartLine];
// String prefix = commenter.getBlockCommentPrefix();
// if (prefix == null || !myDocument.getText().substring(offset1,
// myDocument.getTextLength()).startsWith(prefix)) {
// prefix = commenter.getLineCommentPrefix();
// }
//
// String suffix = commenter.getBlockCommentSuffix();
// if (suffix == null && prefix != null) suffix = "";
//
// if (prefix != null && suffix != null) {
// final int suffixLen = suffix.length();
// final int prefixLen = prefix.length();
// if (offset2 >= 0) {
// if (!CharArrayUtil.regionMatches(chars, offset1 + prefixLen, prefix)) {
// myDocument.deleteString(offset2 - suffixLen, offset2);
// }
// }
// if (offset1 >= 0) {
// for (int i = offset2 - suffixLen - 1; i > offset1 + prefixLen; --i) {
// if (CharArrayUtil.regionMatches(chars, i, suffix)) {
// myDocument.deleteString(i, i + suffixLen);
// }
// else if (CharArrayUtil.regionMatches(chars, i, prefix)) {
// myDocument.deleteString(i, i + prefixLen);
// }
// }
// myDocument.deleteString(offset1, offset1 + prefixLen);
// }
// }
}
}
}
public void doWrapLongLinesIfNecessary(
@NotNull final Editor editor,
@NotNull final Project project,
@NotNull Document document,
int startOffset,
int endOffset) {
// Normalization.
int startOffsetToUse = Math.min(document.getTextLength(), Math.max(0, startOffset));
int endOffsetToUse = Math.min(document.getTextLength(), Math.max(0, endOffset));
LineWrapPositionStrategy strategy = LanguageLineWrapPositionStrategy.INSTANCE.forEditor(editor);
CharSequence text = document.getCharsSequence();
int startLine = document.getLineNumber(startOffsetToUse);
int endLine = document.getLineNumber(Math.max(0, endOffsetToUse - 1));
int maxLine = Math.min(document.getLineCount(), endLine + 1);
int tabSize = EditorUtil.getTabSize(editor);
if (tabSize <= 0) {
tabSize = 1;
}
int spaceSize = EditorUtil.getSpaceWidth(Font.PLAIN, editor);
int[] shifts = new int[2];
// shifts[0] - lines shift.
// shift[1] - offset shift.
for (int line = startLine; line < maxLine; line++) {
int startLineOffset = document.getLineStartOffset(line);
int endLineOffset = document.getLineEndOffset(line);
final int preferredWrapPosition =
calculatePreferredWrapPosition(
editor, text, tabSize, spaceSize, startLineOffset, endLineOffset, endOffsetToUse);
if (preferredWrapPosition < 0 || preferredWrapPosition >= endLineOffset) {
continue;
}
if (preferredWrapPosition >= endOffsetToUse) {
return;
}
// We know that current line exceeds right margin if control flow reaches this place, so, wrap
// it.
int wrapOffset =
strategy.calculateWrapPosition(
document,
editor.getProject(),
Math.max(startLineOffset, startOffsetToUse),
Math.min(endLineOffset, endOffsetToUse),
preferredWrapPosition,
false,
false);
if (wrapOffset < 0 // No appropriate wrap position is found.
// No point in splitting line when its left part contains only white spaces, example:
// line start -> | | <- right margin
// | aaaaaaaaaaaaaaaa|aaaaaaaaaaaaaaaaaaaa() <- don't want to wrap this
// line even if it exceeds right margin
|| CharArrayUtil.shiftBackward(text, startLineOffset, wrapOffset - 1, " \t")
< startLineOffset) {
continue;
}
// Move caret to the target position and emulate pressing <enter>.
editor.getCaretModel().moveToOffset(wrapOffset);
emulateEnter(editor, project, shifts);
// We know that number of lines is just increased, hence, update the data accordingly.
maxLine += shifts[0];
endOffsetToUse += shifts[1];
}
}
private void uncommentLine(int line) {
Commenter commenter = myCommenters[line - myStartLine];
if (commenter == null) commenter = findCommenter(line);
if (commenter == null) return;
final int startOffset = myStartOffsets[line - myStartLine];
if (commenter instanceof SelfManagingCommenter) {
final SelfManagingCommenter selfManagingCommenter = (SelfManagingCommenter) commenter;
selfManagingCommenter.uncommentLine(
line, startOffset, myDocument, myCommenterStateMap.get(selfManagingCommenter));
return;
}
final int endOffset = myEndOffsets[line - myStartLine];
if (startOffset == endOffset) {
return;
}
String prefix = commenter.getLineCommentPrefix();
if (prefix != null) {
CharSequence chars = myDocument.getCharsSequence();
if (commenter instanceof CommenterWithLineSuffix) {
CommenterWithLineSuffix commenterWithLineSuffix = (CommenterWithLineSuffix) commenter;
String suffix = commenterWithLineSuffix.getLineCommentSuffix();
int theEnd = endOffset > 0 ? endOffset : myDocument.getLineEndOffset(line);
while (theEnd > startOffset && Character.isWhitespace(chars.charAt(theEnd - 1))) {
theEnd--;
}
String lineText = myDocument.getText(new TextRange(startOffset, theEnd));
if (lineText.indexOf(suffix) != -1) {
int start = startOffset + lineText.indexOf(suffix);
myDocument.deleteString(start, start + suffix.length());
}
}
boolean skipNewLine = false;
boolean commented =
CharArrayUtil.regionMatches(chars, startOffset, prefix)
|| (skipNewLine =
prefix.endsWith(" ")
&& CharArrayUtil.regionMatches(chars, startOffset, prefix.trim() + "\n"));
assert commented;
int charsToDelete = skipNewLine ? prefix.trim().length() : prefix.length();
int theEnd = endOffset > 0 ? endOffset : chars.length();
// if there's exactly one space after line comment prefix and before the text that follows in
// the same line, delete the space too
if (startOffset + charsToDelete < theEnd - 1
&& chars.charAt(startOffset + charsToDelete) == ' ') {
if (startOffset + charsToDelete == theEnd - 2
|| chars.charAt(startOffset + charsToDelete + 1) != ' ') {
charsToDelete++;
}
}
myDocument.deleteString(startOffset, startOffset + charsToDelete);
return;
}
String text = myDocument.getCharsSequence().subSequence(startOffset, endOffset).toString();
prefix = commenter.getBlockCommentPrefix();
final String suffix = commenter.getBlockCommentSuffix();
if (prefix == null || suffix == null) {
return;
}
IntArrayList prefixes = new IntArrayList();
IntArrayList suffixes = new IntArrayList();
for (int position = 0; position < text.length(); ) {
int prefixPos = text.indexOf(prefix, position);
if (prefixPos == -1) {
break;
}
prefixes.add(prefixPos);
position = prefixPos + prefix.length();
int suffixPos = text.indexOf(suffix, position);
if (suffixPos == -1) {
suffixPos = text.length() - suffix.length();
}
suffixes.add(suffixPos);
position = suffixPos + suffix.length();
}
assert prefixes.size() == suffixes.size();
for (int i = prefixes.size() - 1; i >= 0; i--) {
uncommentRange(
startOffset + prefixes.get(i),
Math.min(startOffset + suffixes.get(i) + suffix.length(), endOffset),
commenter);
}
}
private void commentLine(int line, int offset, @Nullable Commenter commenter) {
if (commenter == null) commenter = findCommenter(line);
if (commenter == null) return;
if (commenter instanceof SelfManagingCommenter) {
final SelfManagingCommenter selfManagingCommenter = (SelfManagingCommenter) commenter;
selfManagingCommenter.commentLine(
line, offset, myDocument, myCommenterStateMap.get(selfManagingCommenter));
return;
}
String prefix = commenter.getLineCommentPrefix();
if (prefix != null) {
if (commenter instanceof CommenterWithLineSuffix) {
int endOffset = myDocument.getLineEndOffset(line);
endOffset = CharArrayUtil.shiftBackward(myDocument.getCharsSequence(), endOffset, " \t");
int shiftedStartOffset =
CharArrayUtil.shiftForward(myDocument.getCharsSequence(), offset, " \t");
String lineSuffix = ((CommenterWithLineSuffix) commenter).getLineCommentSuffix();
if (!CharArrayUtil.regionMatches(
myDocument.getCharsSequence(), shiftedStartOffset, prefix)) {
if (!CharArrayUtil.regionMatches(
myDocument.getCharsSequence(), endOffset - lineSuffix.length(), lineSuffix)) {
myDocument.insertString(endOffset, lineSuffix);
}
myDocument.insertString(offset, prefix);
}
} else {
myDocument.insertString(offset, prefix);
}
} else {
prefix = commenter.getBlockCommentPrefix();
String suffix = commenter.getBlockCommentSuffix();
if (prefix == null || suffix == null) return;
int endOffset = myDocument.getLineEndOffset(line);
if (endOffset == offset && myStartLine != myEndLine) return;
final int textLength = myDocument.getTextLength();
final CharSequence chars = myDocument.getCharsSequence();
offset = CharArrayUtil.shiftForward(chars, offset, " \t");
if (endOffset == textLength) {
final int shifted = CharArrayUtil.shiftBackward(chars, textLength - 1, " \t");
if (shifted < textLength - 1) endOffset = shifted;
} else {
endOffset = CharArrayUtil.shiftBackward(chars, endOffset, " \t");
}
if (endOffset < offset || offset == textLength - 1 && line != myDocument.getLineCount() - 1) {
return;
}
final String text = chars.subSequence(offset, endOffset).toString();
final IntArrayList prefixes = new IntArrayList();
final IntArrayList suffixes = new IntArrayList();
final String commentedSuffix = commenter.getCommentedBlockCommentSuffix();
final String commentedPrefix = commenter.getCommentedBlockCommentPrefix();
for (int position = 0; position < text.length(); ) {
int nearestPrefix = text.indexOf(prefix, position);
if (nearestPrefix == -1) {
nearestPrefix = text.length();
}
int nearestSuffix = text.indexOf(suffix, position);
if (nearestSuffix == -1) {
nearestSuffix = text.length();
}
if (Math.min(nearestPrefix, nearestSuffix) == text.length()) {
break;
}
if (nearestPrefix < nearestSuffix) {
prefixes.add(nearestPrefix);
position = nearestPrefix + prefix.length();
} else {
suffixes.add(nearestSuffix);
position = nearestSuffix + suffix.length();
}
}
if (!(commentedSuffix == null
&& !suffixes.isEmpty()
&& offset + suffixes.get(suffixes.size() - 1) + suffix.length() >= endOffset)) {
myDocument.insertString(endOffset, suffix);
}
int nearestPrefix = prefixes.size() - 1;
int nearestSuffix = suffixes.size() - 1;
while (nearestPrefix >= 0 || nearestSuffix >= 0) {
if (nearestSuffix == -1
|| nearestPrefix != -1 && prefixes.get(nearestPrefix) > suffixes.get(nearestSuffix)) {
final int position = prefixes.get(nearestPrefix);
nearestPrefix--;
if (commentedPrefix != null) {
myDocument.replaceString(
offset + position, offset + position + prefix.length(), commentedPrefix);
} else if (position != 0) {
myDocument.insertString(offset + position, suffix);
}
} else {
final int position = suffixes.get(nearestSuffix);
nearestSuffix--;
if (commentedSuffix != null) {
myDocument.replaceString(
offset + position, offset + position + suffix.length(), commentedSuffix);
} else if (offset + position + suffix.length() < endOffset) {
myDocument.insertString(offset + position + suffix.length(), prefix);
}
}
}
if (!(commentedPrefix == null && !prefixes.isEmpty() && prefixes.get(0) == 0)) {
myDocument.insertString(offset, prefix);
}
}
}
public void invoke(@NotNull Project project, @NotNull Editor editor, @NotNull PsiFile file) {
myProject = project;
myFile = file.getViewProvider().getPsi(file.getViewProvider().getBaseLanguage());
myEditor = editor;
PsiElement context = myFile.getContext();
if (context != null && (context.textContains('\'') || context.textContains('\"'))) {
String s = context.getText();
if (StringUtil.startsWith(s, "\"") || StringUtil.startsWith(s, "\'")) {
myFile = context.getContainingFile();
myEditor = editor instanceof EditorWindow ? ((EditorWindow) editor).getDelegate() : editor;
}
}
myDocument = myEditor.getDocument();
if (!FileDocumentManager.getInstance().requestWriting(myDocument, project)) {
return;
}
PsiDocumentManager.getInstance(project).commitDocument(myDocument);
FeatureUsageTracker.getInstance().triggerFeatureUsed("codeassists.comment.line");
myCodeStyleManager = CodeStyleManager.getInstance(myProject);
final SelectionModel selectionModel = myEditor.getSelectionModel();
boolean hasSelection = selectionModel.hasSelection();
myStartOffset = selectionModel.getSelectionStart();
myEndOffset = selectionModel.getSelectionEnd();
FoldRegion fold = myEditor.getFoldingModel().getCollapsedRegionAtOffset(myStartOffset);
if (fold != null
&& fold.shouldNeverExpand()
&& fold.getStartOffset() == myStartOffset
&& fold.getEndOffset() == myEndOffset) {
// Foldings that never expand are automatically selected, so the fact it is selected must not
// interfer with commenter's logic
hasSelection = false;
}
if (myDocument.getTextLength() == 0) return;
while (true) {
int lastLineEnd = myDocument.getLineEndOffset(myDocument.getLineNumber(myEndOffset));
FoldRegion collapsedAt = myEditor.getFoldingModel().getCollapsedRegionAtOffset(lastLineEnd);
if (collapsedAt != null) {
final int endOffset = collapsedAt.getEndOffset();
if (endOffset <= myEndOffset) {
break;
}
myEndOffset = endOffset;
} else {
break;
}
}
boolean wholeLinesSelected =
!hasSelection
|| myStartOffset
== myDocument.getLineStartOffset(myDocument.getLineNumber(myStartOffset))
&& myEndOffset
== myDocument.getLineEndOffset(myDocument.getLineNumber(myEndOffset - 1)) + 1;
boolean startingNewLineComment =
!hasSelection
&& isLineEmpty(myDocument.getLineNumber(myStartOffset))
&& !Comparing.equal(
IdeActions.ACTION_COMMENT_LINE,
ActionManagerEx.getInstanceEx().getPrevPreformedActionId());
doComment();
if (startingNewLineComment) {
final Commenter commenter = myCommenters[0];
if (commenter != null) {
String prefix;
if (commenter instanceof SelfManagingCommenter) {
prefix =
((SelfManagingCommenter) commenter)
.getCommentPrefix(
myStartLine,
myDocument,
myCommenterStateMap.get((SelfManagingCommenter) commenter));
if (prefix == null) prefix = ""; // TODO
} else {
prefix = commenter.getLineCommentPrefix();
if (prefix == null) prefix = commenter.getBlockCommentPrefix();
}
int lineStart = myDocument.getLineStartOffset(myStartLine);
lineStart = CharArrayUtil.shiftForward(myDocument.getCharsSequence(), lineStart, " \t");
lineStart += prefix.length();
lineStart = CharArrayUtil.shiftForward(myDocument.getCharsSequence(), lineStart, " \t");
if (lineStart > myDocument.getTextLength()) lineStart = myDocument.getTextLength();
myEditor.getCaretModel().moveToOffset(lineStart);
myEditor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
}
} else {
if (!hasSelection) {
// Don't tweak caret position if we're already located on the last document line.
LogicalPosition position = myEditor.getCaretModel().getLogicalPosition();
if (position.line < myDocument.getLineCount() - 1) {
int verticalShift =
1
+ myEditor.getSoftWrapModel().getSoftWrapsForLine(position.line).size()
- position.softWrapLinesOnCurrentLogicalLine;
myEditor.getCaretModel().moveCaretRelatively(0, verticalShift, false, false, true);
}
} else {
if (wholeLinesSelected) {
selectionModel.setSelection(myStartOffset, selectionModel.getSelectionEnd());
}
}
}
}
private void moveToLogicalPosition(LogicalPosition pos, boolean locateBeforeSoftWrap) {
assertIsDispatchThread();
myDesiredX = -1;
validateCallContext();
int column = pos.column;
int line = pos.line;
int softWrapLinesBefore = pos.softWrapLinesBeforeCurrentLogicalLine;
int softWrapLinesCurrent = pos.softWrapLinesOnCurrentLogicalLine;
int softWrapColumns = pos.softWrapColumnDiff;
Document doc = myEditor.getDocument();
if (column < 0) {
column = 0;
softWrapColumns = 0;
}
if (line < 0) {
line = 0;
softWrapLinesBefore = 0;
softWrapLinesCurrent = 0;
}
int lineCount = doc.getLineCount();
if (lineCount == 0) {
line = 0;
} else if (line > lineCount - 1) {
line = lineCount - 1;
softWrapLinesBefore = 0;
softWrapLinesCurrent = 0;
}
EditorSettings editorSettings = myEditor.getSettings();
if (!editorSettings.isVirtualSpace()
&& line < lineCount
&& !myEditor.getSelectionModel().hasBlockSelection()) {
int lineEndOffset = doc.getLineEndOffset(line);
int lineEndColumnNumber = myEditor.offsetToLogicalPosition(lineEndOffset).column;
if (column > lineEndColumnNumber) {
column = lineEndColumnNumber;
if (softWrapColumns != 0) {
softWrapColumns -= column - lineEndColumnNumber;
}
}
}
((FoldingModelImpl) myEditor.getFoldingModel()).flushCaretPosition();
VerticalInfo oldInfo = myCaretInfo;
LogicalPosition oldCaretPosition = myLogicalCaret;
LogicalPosition logicalPositionToUse;
if (pos.visualPositionAware) {
logicalPositionToUse =
new LogicalPosition(
line,
column,
softWrapLinesBefore,
softWrapLinesCurrent,
softWrapColumns,
pos.foldedLines,
pos.foldingColumnDiff);
} else {
logicalPositionToUse = new LogicalPosition(line, column);
}
setCurrentLogicalCaret(logicalPositionToUse);
final int offset = myEditor.logicalPositionToOffset(myLogicalCaret);
FoldRegion collapsedAt = myEditor.getFoldingModel().getCollapsedRegionAtOffset(offset);
if (collapsedAt != null && offset > collapsedAt.getStartOffset()) {
Runnable runnable =
new Runnable() {
public void run() {
FoldRegion[] allCollapsedAt =
((FoldingModelImpl) myEditor.getFoldingModel()).fetchCollapsedAt(offset);
for (FoldRegion foldRange : allCollapsedAt) {
foldRange.setExpanded(true);
}
}
};
myEditor.getFoldingModel().runBatchFoldingOperation(runnable);
}
myEditor.setLastColumnNumber(myLogicalCaret.column);
myVisibleCaret = myEditor.logicalToVisualPosition(myLogicalCaret);
myOffset = myEditor.logicalPositionToOffset(myLogicalCaret);
LOG.assertTrue(myOffset >= 0 && myOffset <= myEditor.getDocument().getTextLength());
myVisualLineStart =
myEditor.logicalPositionToOffset(
myEditor.visualToLogicalPosition(new VisualPosition(myVisibleCaret.line, 0)));
myVisualLineEnd =
myEditor.logicalPositionToOffset(
myEditor.visualToLogicalPosition(new VisualPosition(myVisibleCaret.line + 1, 0)));
myEditor.updateCaretCursor();
requestRepaint(oldInfo);
if (locateBeforeSoftWrap && SoftWrapHelper.isCaretAfterSoftWrap(myEditor)) {
int lineToUse = myVisibleCaret.line - 1;
if (lineToUse >= 0) {
moveToVisualPosition(
new VisualPosition(
lineToUse, EditorUtil.getLastVisualLineColumnNumber(myEditor, lineToUse)));
return;
}
}
if (!oldCaretPosition.toVisualPosition().equals(myLogicalCaret.toVisualPosition())) {
CaretEvent event = new CaretEvent(myEditor, oldCaretPosition, myLogicalCaret);
for (CaretListener listener : myCaretListeners) {
listener.caretPositionChanged(event);
}
}
}
@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);
}
}
}
@Override
public void invoke(
@NotNull Project project,
@NotNull Editor editor,
@NotNull Caret caret,
@NotNull PsiFile file) {
if (!CodeInsightUtilBase.prepareEditorForWrite(editor)) return;
myProject = project;
myEditor = editor;
myCaret = caret;
myFile = file;
myDocument = editor.getDocument();
if (!FileDocumentManager.getInstance().requestWriting(myDocument, project)) {
return;
}
FeatureUsageTracker.getInstance().triggerFeatureUsed("codeassists.comment.block");
final Commenter commenter = findCommenter(myFile, myEditor, caret);
if (commenter == null) return;
final String prefix;
final String suffix;
if (commenter instanceof SelfManagingCommenter) {
final SelfManagingCommenter selfManagingCommenter = (SelfManagingCommenter) commenter;
mySelfManagedCommenterData =
selfManagingCommenter.createBlockCommentingState(
caret.getSelectionStart(), caret.getSelectionEnd(), myDocument, myFile);
if (mySelfManagedCommenterData == null) {
mySelfManagedCommenterData = SelfManagingCommenter.EMPTY_STATE;
}
prefix =
selfManagingCommenter.getBlockCommentPrefix(
caret.getSelectionStart(), myDocument, mySelfManagedCommenterData);
suffix =
selfManagingCommenter.getBlockCommentSuffix(
caret.getSelectionEnd(), myDocument, mySelfManagedCommenterData);
} else {
prefix = commenter.getBlockCommentPrefix();
suffix = commenter.getBlockCommentSuffix();
}
if (prefix == null || suffix == null) return;
TextRange commentedRange = findCommentedRange(commenter);
if (commentedRange != null) {
final int commentStart = commentedRange.getStartOffset();
final int commentEnd = commentedRange.getEndOffset();
int selectionStart = commentStart;
int selectionEnd = commentEnd;
if (myCaret.hasSelection()) {
selectionStart = myCaret.getSelectionStart();
selectionEnd = myCaret.getSelectionEnd();
}
if ((commentStart < selectionStart || commentStart >= selectionEnd)
&& (commentEnd <= selectionStart || commentEnd > selectionEnd)) {
commentRange(selectionStart, selectionEnd, prefix, suffix, commenter);
} else {
uncommentRange(commentedRange, trim(prefix), trim(suffix), commenter);
}
} else {
if (myCaret.hasSelection()) {
int selectionStart = myCaret.getSelectionStart();
int selectionEnd = myCaret.getSelectionEnd();
if (commenter instanceof IndentedCommenter) {
final Boolean value = ((IndentedCommenter) commenter).forceIndentedLineComment();
if (value != null && value == Boolean.TRUE) {
selectionStart =
myDocument.getLineStartOffset(myDocument.getLineNumber(selectionStart));
selectionEnd = myDocument.getLineEndOffset(myDocument.getLineNumber(selectionEnd));
}
}
commentRange(selectionStart, selectionEnd, prefix, suffix, commenter);
} else {
EditorUtil.fillVirtualSpaceUntilCaret(editor);
int caretOffset = myCaret.getOffset();
if (commenter instanceof IndentedCommenter) {
final Boolean value = ((IndentedCommenter) commenter).forceIndentedLineComment();
if (value != null && value == Boolean.TRUE) {
final int lineNumber = myDocument.getLineNumber(caretOffset);
final int start = myDocument.getLineStartOffset(lineNumber);
final int end = myDocument.getLineEndOffset(lineNumber);
commentRange(start, end, prefix, suffix, commenter);
return;
}
}
myDocument.insertString(caretOffset, prefix + suffix);
myCaret.moveToOffset(caretOffset + prefix.length());
}
}
}