/**
* @see com.mulgasoft.emacsplus.commands.EmacsPlusCmdHandler#transform(ITextEditor, IDocument,
* ITextSelection, ExecutionEvent)
*/
@Override
protected int transform(
ITextEditor editor, IDocument document, ITextSelection currentSelection, ExecutionEvent event)
throws BadLocationException {
int result = getCursorOffset(editor, currentSelection);
// get the selection encompassing the appropriate set of lines
ITextSelection selection = getLineSelection(editor, document, currentSelection);
if (selection != null) {
int offset = selection.getOffset();
int endOffset = offset + selection.getLength();
int begin = document.getLineOfOffset(offset);
int end = document.getLineOfOffset(endOffset);
if (begin != end && begin < end) {
ArrayList<String> alst = new ArrayList<String>();
IRegion region = document.getLineInformation(begin);
// get text from point or mark
alst.add(document.get(offset, region.getLength() - (offset - region.getOffset())));
for (int i = begin + 1; i < end; i++) {
region = document.getLineInformation(i);
// get full line of text
alst.add(document.get(region.getOffset(), region.getLength()));
}
region = document.getLineInformation(end);
// get text to point or mark
alst.add(document.get(region.getOffset(), endOffset - region.getOffset()));
Collections.sort(alst, (getComparator(isUniversalPresent())));
updateLines(document, selection, alst.toArray(new String[0]));
} else {
EmacsPlusUtils.showMessage(editor, NO_REGION, true);
}
} else {
EmacsPlusUtils.showMessage(editor, NO_REGION, true);
}
return result;
}
/**
* Adds a line to the document.
*
* @param doc the document
* @param endLineDelim the delimiter that should be used
* @param contents what should be added (the end line delimiter may be added before or after those
* contents (depending on what are the current contents of the document).
* @param afterLine the contents should be added after the line specified here.
*/
public static void addLine(IDocument doc, String endLineDelim, String contents, int afterLine) {
try {
int offset = -1;
if (doc.getNumberOfLines() > afterLine) {
offset = doc.getLineInformation(afterLine + 1).getOffset();
} else {
offset = doc.getLineInformation(afterLine).getOffset();
}
if (doc.getNumberOfLines() - 1 == afterLine) {
contents = endLineDelim + contents;
}
if (!contents.endsWith(endLineDelim)) {
contents += endLineDelim;
}
if (offset >= 0) {
doc.replace(offset, 0, contents);
}
} catch (BadLocationException e) {
Log.log(e);
}
}
private static int getOffset(IDocument document, int line, int column)
throws BadLocationException {
int r = document.getLineInformation(line - 1).getOffset();
IRegion region = document.getLineInformation(line - 1);
int lineTabCount =
calculateTabCountInLine(document.get(region.getOffset(), region.getLength()), column);
r += (column - 1) - (lineTabCount * getTabWidth()) + lineTabCount;
return r;
}
/**
* Determines whether each line is prefixed by one of the prefixes.
*
* @param startLine Start line in document
* @param endLine End line in document
* @param prefixes Possible comment prefixes
* @param document The document
* @return <code>true</code> iff each line from <code>startLine</code> to and including <code>
* endLine</code> is prepended by one of the <code>prefixes</code>, ignoring whitespace at the
* begin of line
*/
private boolean isBlockCommented(
int startLine, int endLine, String[] prefixes, IDocument document) {
try {
// check for occurrences of prefixes in the given lines
for (int i = startLine; i <= endLine; i++) {
IRegion line = document.getLineInformation(i);
String text = document.get(line.getOffset(), line.getLength());
int[] found = TextUtilities.indexOf(prefixes, text, 0);
if (found[0] == -1)
// found a line which is not commented
return false;
String s = document.get(line.getOffset(), found[0]);
s = s.trim();
if (s.length() != 0)
// found a line which is not commented
return false;
}
return true;
} catch (BadLocationException x) {
// should not happen
// FIXME Activator.getPlugin().log(x);
}
return false;
}
/**
* Calculates the common scope between the end of one line and the beginning of the next.
*
* @param document
* @param line
* @param endOfLineScope
* @return
* @throws BadLocationException
*/
private String getScope(IDocument document, int line, String endOfLineScope)
throws BadLocationException {
// if this is the last line, just use the scope at the end of it.
int lines = document.getNumberOfLines();
if (line + 1 >= lines) {
return endOfLineScope;
}
// now grab the scope at the beginning of the next line...
IRegion nextLine = document.getLineInformation(line + 1);
// If the next line is empty, take our end of line scope
if (nextLine.getLength() == 0) {
return endOfLineScope;
}
String startOfNextLineScope =
getScopeManager().getScopeAtOffset(document, nextLine.getOffset());
// Calculate the common prefix between the two!
StringBuilder builder = new StringBuilder();
int length = Math.min(endOfLineScope.length(), startOfNextLineScope.length());
for (int i = 0; i < length; i++) {
char c = endOfLineScope.charAt(i);
char o = startOfNextLineScope.charAt(i);
if (c == o) {
builder.append(c);
}
}
return builder.toString();
}
/**
* Returns the indentation of the line <code>line</code> in <code>document</code>. The returned
* string may contain pairs of leading slashes that are considered part of the indentation. The
* space before the asterix in a javadoc-like comment is not considered part of the indentation.
*
* @param document the document
* @param line the line
* @return the indentation of <code>line</code> in <code>document</code>
* @throws BadLocationException if the document is changed concurrently
*/
private static String getCurrentIndent(IDocument document, int line) throws BadLocationException {
IRegion region = document.getLineInformation(line);
int from = region.getOffset();
int endOffset = region.getOffset() + region.getLength();
// go behind line comments
int to = from;
while (to < endOffset - 2 && document.get(to, 2).equals(SLASHES)) to += 2;
while (to < endOffset) {
char ch = document.getChar(to);
if (!Character.isWhitespace(ch)) break;
to++;
}
// don't count the space before javadoc like, asterix-style comment lines
if (to > from && to < endOffset - 1 && document.get(to - 1, 2).equals(" *")) { // $NON-NLS-1$
String type =
TextUtilities.getContentType(document, IJavaPartitions.JAVA_PARTITIONING, to, true);
if (type.equals(IJavaPartitions.JAVA_DOC)
|| type.equals(IJavaPartitions.JAVA_MULTI_LINE_COMMENT)) to--;
}
return document.get(from, to - from);
}
public void collectOccurrenceMatches(
IJavaScriptElement element, IDocument document, Collection resultingMatches) {
HashMap lineToLineElement = new HashMap();
for (Iterator iter = fResult.iterator(); iter.hasNext(); ) {
ASTNode node = (ASTNode) iter.next();
int startPosition = node.getStartPosition();
int length = node.getLength();
try {
boolean isException = node == fSelectedName;
int line = document.getLineOfOffset(startPosition);
Integer lineInteger = new Integer(line);
ExceptionOccurrencesGroupKey groupKey =
(ExceptionOccurrencesGroupKey) lineToLineElement.get(lineInteger);
if (groupKey == null) {
IRegion region = document.getLineInformation(line);
String lineContents = document.get(region.getOffset(), region.getLength()).trim();
groupKey = new ExceptionOccurrencesGroupKey(element, line, lineContents, isException);
lineToLineElement.put(lineInteger, groupKey);
} else if (isException) {
// the line with the target exception always has the exception icon:
groupKey.setException(true);
}
Match match = new Match(groupKey, startPosition, length);
resultingMatches.add(match);
} catch (BadLocationException e) {
// nothing
}
}
}
/**
* Computes and returns the indentation for a javadoc line. The line must be inside a javadoc
* comment.
*
* @param document the document
* @param line the line in document
* @param scanner the scanner
* @param partition the comment partition
* @return the indent, or <code>null</code> if not computable
* @throws BadLocationException
*/
private static String computeJavadocIndent(
IDocument document, int line, JavaHeuristicScanner scanner, ITypedRegion partition)
throws BadLocationException {
if (line == 0) // impossible - the first line is never inside a javadoc comment
return null;
// don't make any assumptions if the line does not start with \s*\* - it might be
// commented out code, for which we don't want to change the indent
final IRegion lineInfo = document.getLineInformation(line);
final int lineStart = lineInfo.getOffset();
final int lineLength = lineInfo.getLength();
final int lineEnd = lineStart + lineLength;
int nonWS = scanner.findNonWhitespaceForwardInAnyPartition(lineStart, lineEnd);
if (nonWS == JavaHeuristicScanner.NOT_FOUND || document.getChar(nonWS) != '*') {
if (nonWS == JavaHeuristicScanner.NOT_FOUND) return document.get(lineStart, lineLength);
return document.get(lineStart, nonWS - lineStart);
}
// take the indent from the previous line and reuse
IRegion previousLine = document.getLineInformation(line - 1);
int previousLineStart = previousLine.getOffset();
int previousLineLength = previousLine.getLength();
int previousLineEnd = previousLineStart + previousLineLength;
StringBuffer buf = new StringBuffer();
int previousLineNonWS =
scanner.findNonWhitespaceForwardInAnyPartition(previousLineStart, previousLineEnd);
if (previousLineNonWS == JavaHeuristicScanner.NOT_FOUND
|| document.getChar(previousLineNonWS) != '*') {
// align with the comment start if the previous line is not an asterix line
previousLine = document.getLineInformationOfOffset(partition.getOffset());
previousLineStart = previousLine.getOffset();
previousLineLength = previousLine.getLength();
previousLineEnd = previousLineStart + previousLineLength;
previousLineNonWS =
scanner.findNonWhitespaceForwardInAnyPartition(previousLineStart, previousLineEnd);
if (previousLineNonWS == JavaHeuristicScanner.NOT_FOUND) previousLineNonWS = previousLineEnd;
// add the initial space
// TODO this may be controlled by a formatter preference in the future
buf.append(' ');
}
String indentation = document.get(previousLineStart, previousLineNonWS - previousLineStart);
buf.insert(0, indentation);
return buf.toString();
}
private void appendContent(
IDocument text,
int startOffset,
int endOffset,
StringBuilder buf,
boolean surroundLinesOnly) {
try {
int startLine = text.getLineOfOffset(startOffset);
int endLine = text.getLineOfOffset(endOffset);
boolean dotsAdded = false;
if (surroundLinesOnly && startOffset == 0) { // No surround lines for the top no-change range
startLine = Math.max(endLine - surroundLines, 0);
buf.append("...<br>"); // $NON-NLS-1$
dotsAdded = true;
}
for (int i = startLine; i <= endLine; i++) {
if (surroundLinesOnly) {
if ((i - startLine > surroundLines) && (endLine - i > surroundLines)) {
if (!dotsAdded) {
buf.append("...<br>"); // $NON-NLS-1$
dotsAdded = true;
} else if (endOffset == text.getLength()) {
return; // No surround lines for the bottom no-change range
}
continue;
}
}
IRegion lineInfo = text.getLineInformation(i);
int start = lineInfo.getOffset();
int end = start + lineInfo.getLength();
int from = Math.max(start, startOffset);
int to = Math.min(end, endOffset);
String content = text.get(from, to - from);
if (surroundLinesOnly && from == start && Strings.containsOnlyWhitespaces(content)) {
continue; // Ignore empty lines except when range started in the middle of a line
}
for (int k = 0; k < content.length(); k++) {
char ch = content.charAt(k);
if (ch == '<') {
buf.append("<"); // $NON-NLS-1$
} else if (ch == '>') {
buf.append(">"); // $NON-NLS-1$
} else {
buf.append(ch);
}
}
if (to == end
&& to != endOffset) { // New line when at the end of the line, and not end of range
buf.append("<br>"); // $NON-NLS-1$
}
}
} catch (BadLocationException e) {
// Ignore.
}
}
public static int getAbsoluteCursorOffset(IDocument doc, int line, int col) {
try {
IRegion offsetR = doc.getLineInformation(line);
return offsetR.getOffset() + col;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public static String getLineContentsToCursor(IDocument doc, int offset)
throws BadLocationException {
int lineOfOffset = doc.getLineOfOffset(offset);
IRegion lineInformation = doc.getLineInformation(lineOfOffset);
String lineToCursor =
doc.get(lineInformation.getOffset(), offset - lineInformation.getOffset());
return lineToCursor;
}
/**
* Gets line from document.
*
* @param i Line number
* @return String line in String form
*/
public static String getLine(IDocument doc, int i) {
try {
IRegion lineInformation = doc.getLineInformation(i);
return doc.get(lineInformation.getOffset(), lineInformation.getLength());
} catch (Exception e) {
return "";
}
}
/**
* @return the line where the cursor is (from the cursor position to the end of the line).
* @throws BadLocationException
*/
public String getLineContentsFromCursor(int offset) throws BadLocationException {
int lineOfOffset = doc.getLineOfOffset(offset);
IRegion lineInformation = doc.getLineInformation(lineOfOffset);
String lineToCursor =
doc.get(offset, lineInformation.getOffset() + lineInformation.getLength() - offset);
return lineToCursor;
}
/**
* @param markOccurrencesRequest
* @return true if the annotations were removed and added without any problems and false otherwise
*/
@Override
protected synchronized Map<Annotation, Position> getAnnotationsToAddAsMap(
final BaseEditor baseEditor,
IAnnotationModel annotationModel,
MarkOccurrencesRequest markOccurrencesRequest,
IProgressMonitor monitor)
throws BadLocationException {
PyEdit pyEdit = (PyEdit) baseEditor;
PySourceViewer viewer = pyEdit.getPySourceViewer();
if (viewer == null || monitor.isCanceled()) {
return null;
}
if (viewer.getIsInToggleCompletionStyle() || monitor.isCanceled()) {
return null;
}
PyMarkOccurrencesRequest pyMarkOccurrencesRequest =
(PyMarkOccurrencesRequest) markOccurrencesRequest;
Set<ASTEntry> occurrences = pyMarkOccurrencesRequest.getOccurrences();
if (occurrences == null) {
if (DEBUG) {
System.out.println("Occurrences == null");
}
return null;
}
IDocument doc = pyEdit.getDocument();
Map<Annotation, Position> toAddAsMap = new HashMap<Annotation, Position>();
boolean markOccurrencesInStrings = MarkOccurrencesPreferencesPage.useMarkOccurrencesInStrings();
// get the annotations to add
for (ASTEntry entry : occurrences) {
if (!markOccurrencesInStrings) {
if (entry.node instanceof Name) {
Name name = (Name) entry.node;
if (name.ctx == Name.Artificial) {
continue;
}
}
}
SimpleNode node = entry.getNameNode();
IRegion lineInformation = doc.getLineInformation(node.beginLine - 1);
try {
Annotation annotation = new Annotation(getOccurrenceAnnotationsType(), false, "occurrence");
Position position =
new Position(
lineInformation.getOffset() + node.beginColumn - 1,
pyMarkOccurrencesRequest.getInitialName().length());
toAddAsMap.put(annotation, position);
} catch (Exception e) {
Log.log(e);
}
}
return toAddAsMap;
}
private int getStartOfPreviousLine(int offset) throws BadLocationException {
int line = document.getLineOfOffset(offset);
IRegion lineInfo;
do {
if (line == 0) return 0;
lineInfo = document.getLineInformation(--line);
} while (lineInfo.getLength() == 0 || isQuoted(lineInfo.getOffset()));
return lineInfo.getOffset();
}
/**
* Formats the given selection
*
* @see IFormatter
*/
public void formatSelection(
IDocument doc, int[] regionsForSave, IPyEdit edit, PySelection ps, FormatStd formatStd) {
// Formatter formatter = new Formatter();
// formatter.formatSelection(doc, startLine, endLineIndex, edit, ps);
@SuppressWarnings({"rawtypes", "unchecked"})
List<Tuple3<Integer, Integer, String>> replaces = new ArrayList();
String docContents = doc.get();
String delimiter = PySelection.getDelimiter(doc);
IDocument formatted;
try {
formatted = new Document(formatAll(formatStd, true, docContents, delimiter));
} catch (SyntaxErrorException e) {
return;
}
// Actually replace the formatted lines: in our formatting, lines don't change, so, this is OK
// :)
try {
for (int i : regionsForSave) {
IRegion r = doc.getLineInformation(i);
int iStart = r.getOffset();
int iEnd = r.getOffset() + r.getLength();
String line = PySelection.getLine(formatted, i);
replaces.add(new Tuple3<Integer, Integer, String>(iStart, iEnd - iStart, line));
}
} catch (BadLocationException e) {
Log.log(e);
return;
}
// Apply the formatting from bottom to top (so that the indexes are still valid).
Collections.reverse(replaces);
for (Tuple3<Integer, Integer, String> tup : replaces) {
try {
doc.replace(tup.o1, tup.o2, tup.o3);
} catch (BadLocationException e) {
Log.log(e);
}
}
if (formatStd.addNewLineAtEndOfFile) {
try {
int len = doc.getLength();
if (len > 0) {
char lastChar = doc.getChar(len - 1);
if (lastChar != '\r' && lastChar != '\n') {
doc.replace(len, 0, PySelection.getDelimiter(doc));
}
}
} catch (Throwable e) {
Log.log(e);
}
}
}
/**
* Corrects the {@link IMarker#CHAR_START} and {@link IMarker#CHAR_END} values as needed
*
* @param document
* @param marker
* @param line
* @throws BadLocationException
*/
void ensureRanges(IDocument document, IMarker marker, int line) throws BadLocationException {
if (line < 0 || line > document.getNumberOfLines()) {
return;
}
IRegion region = document.getLineInformation(line - 1);
int charstart = region.getOffset();
int charend = charstart + region.getLength();
MarkerUtilities.setCharStart(marker, charstart);
MarkerUtilities.setCharEnd(marker, charend);
}
/**
* @param line the number of the line in the document to get the hash for
* @return the hash of the line
* @throws BadLocationException if the line number is invalid
*/
private Integer getHash(int line) throws BadLocationException {
Integer hash = fHashes.get(line);
if (hash == null) {
IRegion lineRegion = fDocument.getLineInformation(line);
String lineContents = fDocument.get(lineRegion.getOffset(), lineRegion.getLength());
hash = new Integer(computeDJBHash(lineContents));
fHashes.set(line, hash);
}
return hash;
}
/**
* Deletes a line from the document
*
* @param i
*/
public static void deleteLine(IDocument doc, int i) {
try {
IRegion lineInformation = doc.getLineInformation(i);
int offset = lineInformation.getOffset();
int length = -1;
if (doc.getNumberOfLines() > i) {
int nextLineOffset = doc.getLineInformation(i + 1).getOffset();
length = nextLineOffset - offset;
} else {
length = lineInformation.getLength();
}
if (length > -1) {
doc.replace(offset, length, "");
}
} catch (BadLocationException e) {
Log.log(e);
}
}
private int getEndOfPreviousLine(int offset) throws BadLocationException {
if (offset == document.getLength() && offset > 0) {
offset--;
}
int line = document.getLineOfOffset(offset);
IRegion lineInfo;
do {
if (line == 0) return 0;
lineInfo = document.getLineInformation(--line);
} while (lineInfo.getLength() == 0);
return lineInfo.getOffset() + lineInfo.getLength();
}
protected int endOfLineOf(int offset) throws BadLocationException {
IRegion info = document.getLineInformationOfOffset(offset);
if (offset <= info.getOffset() + info.getLength()) return info.getOffset() + info.getLength();
int line = document.getLineOfOffset(offset);
try {
info = document.getLineInformation(line + 1);
return info.getOffset() + info.getLength();
} catch (BadLocationException x) {
return document.getLength();
}
}
private Position calcExpectedPosition() {
if (fActiveEditor instanceof ITextEditor) {
IDocument doc =
((ITextEditor) fActiveEditor)
.getDocumentProvider()
.getDocument(fActiveEditor.getEditorInput());
if (doc == null) return null;
try {
IRegion region = doc.getLineInformation(fExpectedLine - 1);
return new Position(region.getOffset(), region.getLength());
} catch (BadLocationException e) {
}
}
return null;
}
/**
* Indents line <code>line</code> in <code>document</code> with <code>indent</code>. Leaves
* leading comment signs alone.
*
* @param document the document
* @param line the line
* @param indent the indentation to insert
* @param commentlines
* @throws BadLocationException on concurrent document modification
*/
private static void addIndent(
IDocument document, int line, CharSequence indent, boolean[] commentlines, int relative)
throws BadLocationException {
IRegion region = document.getLineInformation(line);
int insert = region.getOffset();
int endOffset = region.getOffset() + region.getLength();
// go behind line comments
if (!commentlines[relative]) {
while (insert < endOffset - 2 && document.get(insert, 2).equals(SLASHES)) insert += 2;
}
// insert indent
document.replace(insert, 0, indent.toString());
}
/**
* Formats the given selection
*
* @see IFormatter
*/
public void formatSelection(
IDocument doc, int startLine, int endLineIndex, IPyEdit edit, PySelection ps) {
// Formatter formatter = new Formatter();
// formatter.formatSelection(doc, startLine, endLineIndex, edit, ps);
try {
IRegion start = doc.getLineInformation(startLine);
IRegion end = doc.getLineInformation(endLineIndex);
int iStart = start.getOffset();
int iEnd = end.getOffset() + end.getLength();
String d = doc.get(iStart, iEnd - iStart);
FormatStd formatStd = getFormat();
String formatted = formatStr(d, formatStd, PySelection.getDelimiter(doc), false);
doc.replace(iStart, iEnd - iStart, formatted);
} catch (BadLocationException e) {
Log.log(e);
} catch (SyntaxErrorException e) {
throw new RuntimeException(e);
}
}
public static TextSelection determineSelection(
LinkedList<String> markerFields, IDocument document) throws BadLocationException {
if (markerFields.size() < 2) throw new IllegalArgumentException();
int fromLine = Integer.parseInt(markerFields.removeFirst());
int fromCol = Integer.parseInt(markerFields.removeFirst());
int toLine = fromLine;
int toCol = fromCol;
if (markerFields.size() >= 2
&& isInteger(markerFields.get(0))
&& isInteger(markerFields.get(1))) {
toLine = Integer.parseInt(markerFields.removeFirst());
toCol = Integer.parseInt(markerFields.removeFirst());
}
IRegion fromLineRegion = document.getLineInformation(fromLine - 1);
IRegion toLineRegion = document.getLineInformation(toLine - 1);
int fromOffset = fromLineRegion.getOffset() + fromCol - 1;
int toOffset = toLineRegion.getOffset() + toCol - 1;
int length = toOffset - fromOffset;
return new TextSelection(document, fromOffset, length);
}
public void parse() throws BadLocationException {
final List<OutlineNodeDefinition<?>> nodeDefinitions =
configuration.getAllOutlineLevelDefinitions();
final List<ShowInOutlineInstruction> showInOutlineInstructions =
configuration.getInstructions(ShowInOutlineInstruction.class);
String entry = null, header = null;
for (int lineNumber = 0; lineNumber < numberOfLines; lineNumber++) {
IRegion region = document.getLineInformation(lineNumber);
String line = getLine(document, region);
if (line.equals(MyContentOutlinePage.CONFIG_MARKER) || hasConfigSection) {
onConfigLine(lineNumber, line, region);
continue;
}
if (ParsingUtils.isLogEntryStart(line)) {
header = line;
entry = ParsingUtils.getLogEntry(document, lineNumber);
}
onAnyLine(lineNumber, line, entry, header, region);
if (ParsingUtils.isLogEntryStart(line)) {
onLogEntryLine(lineNumber, line, entry, region);
}
if (showInOutline(showInOutlineInstructions, line, entry, header)) {
for (OutlineNodeDefinition<?> nodeDefinition : nodeDefinitions) {
OutlineNodeContent content =
nodeDefinition.recognize(lineNumber, line, entry, header, region, document);
if (content != null) {
@SuppressWarnings({"unchecked", "rawtypes"})
OutlineNode<?> node =
new OutlineNode(nodeDefinition, content, region, lineNumber, line, document);
outlineNodesMap.put(lineNumber, node);
}
}
}
}
sortOutlineNodes();
dumpInfoToConfigSection();
}
/**
* Returns <code>true</code> if one line is completely selected or if multiple lines are selected.
* Being completely selected means that all characters except the new line characters are
* selected.
*
* @return <code>true</code> if one or multiple lines are selected
* @since 2.1
*/
private boolean areMultipleLinesSelected(ITextViewer viewer) {
if (viewer == null) return false;
Point s = viewer.getSelectedRange();
if (s.y == 0) return false;
try {
IDocument document = viewer.getDocument();
int startLine = document.getLineOfOffset(s.x);
int endLine = document.getLineOfOffset(s.x + s.y);
IRegion line = document.getLineInformation(startLine);
return startLine != endLine || (s.x == line.getOffset() && s.y == line.getLength());
} catch (BadLocationException x) {
return false;
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.action.IAction#run()
*/
public void run() {
try {
/*
* Test if there are any markers at the current position.
* if there are any, remove breakpointmarker, otherwise create a
* new one.
*/
List list = getMarkers();
if (list.isEmpty()) {
// create new markers
IDocument document = getDocument();
int lineNumber = getVerticalRulerInfo().getLineOfLastMouseButtonActivity();
if (lineNumber >= document.getNumberOfLines()) {
return;
}
try {
IRegion line = document.getLineInformation(lineNumber);
ITextSelection selection =
new TextSelection(document, line.getOffset(), line.getLength());
// fBreakpointAdapter.toggleLineBreakpoints(fTextEditor, selection);
fBreakpointAdapter.toggleBreakpoints(fTextEditor, selection);
} catch (BadLocationException e) {
// likely document is folded so you cannot get the line information of the folded line
}
} else {
// remove existing breakpoints of any type
IBreakpointManager manager = DebugPlugin.getDefault().getBreakpointManager();
Iterator iterator = list.iterator();
while (iterator.hasNext()) {
IMarker marker = (IMarker) iterator.next();
IBreakpoint breakpoint = manager.getBreakpoint(marker);
if (breakpoint != null) {
breakpoint.delete();
}
}
}
} catch (CoreException e) {
// JDIDebugUIPlugin.errorDialog(ActionMessages.getString("ManageBreakpointRulerAction.error.adding.message1"), e); //$NON-NLS-1$
// JDIDebugUIPlugin.errorDialog(ActionMessages.ManageBreakpointRulerAction_error_adding_message1, e);
// This message may not make sense FIXME
JDIDebugUIPlugin.errorDialog(
ActionMessages.ManageMethodBreakpointActionDelegate_methodNonAvailable, e);
}
}
public void switchToJavaEditor(ICompilationUnit unit, int lineNumber) {
JavaEditor javaEditor = getJavaEditor(unit);
if (javaEditor != null) {
IDocument document =
javaEditor.getDocumentProvider().getDocument(javaEditor.getEditorInput());
IRegion lineInfo = null;
try {
// line count internally starts with 0, and not with 1 like in
// GUI
lineInfo = document.getLineInformation(lineNumber - 1);
} catch (BadLocationException e) {
// ignored because line number may not really exist in document,
// we guess this...
}
if (lineInfo != null) {
javaEditor.selectAndReveal(lineInfo.getOffset(), lineInfo.getLength());
}
}
}
/*
* @see org.eclipse.core.internal.filebuffers.textmanipulation.TextFileBufferOperation#computeTextEdit(org.eclipse.core.filebuffers.ITextFileBuffer, org.eclipse.core.runtime.IProgressMonitor)
*/
protected MultiTextEditWithProgress computeTextEdit(
ITextFileBuffer fileBuffer, IProgressMonitor progressMonitor) throws CoreException {
IDocument document = fileBuffer.getDocument();
int lineCount = document.getNumberOfLines();
progressMonitor = Progress.getMonitor(progressMonitor);
progressMonitor.beginTask(
FileBuffersMessages.RemoveTrailingWhitespaceOperation_task_generatingChanges, lineCount);
try {
MultiTextEditWithProgress multiEdit =
new MultiTextEditWithProgress(
FileBuffersMessages.RemoveTrailingWhitespaceOperation_task_applyingChanges);
for (int i = 0; i < lineCount; i++) {
if (progressMonitor.isCanceled()) throw new OperationCanceledException();
IRegion region = document.getLineInformation(i);
if (region.getLength() == 0) continue;
int lineStart = region.getOffset();
int lineExclusiveEnd = lineStart + region.getLength();
int j = lineExclusiveEnd - 1;
while (j >= lineStart && Character.isWhitespace(document.getChar(j))) --j;
++j;
if (j < lineExclusiveEnd) multiEdit.addChild(new DeleteEdit(j, lineExclusiveEnd - j));
progressMonitor.worked(1);
}
return multiEdit.getChildrenSize() <= 0 ? null : multiEdit;
} catch (BadLocationException x) {
throw new CoreException(
new Status(
IStatus.ERROR,
FileBuffersPlugin.PLUGIN_ID,
IFileBufferStatusCodes.CONTENT_CHANGE_FAILED,
"",
x)); //$NON-NLS-1$
} finally {
progressMonitor.done();
}
}