Examples with ReplaceEdit org.eclipse.text.edits.ReplaceEdit used on opensource projects

Example 6 with ReplaceEdit

use of org.eclipse.text.edits.ReplaceEdit in project che by eclipse.

the class CreateCopyOfCompilationUnitChange method createChangeManager.

private static TextChangeManager createChangeManager(IProgressMonitor monitor, ICompilationUnit copy, String newName) throws CoreException {
    TextChangeManager manager = new TextChangeManager();
    SearchResultGroup refs = getReferences(copy, monitor);
    if (refs == null)
        return manager;
    if (refs.getCompilationUnit() == null)
        return manager;
    String name = RefactoringCoreMessages.CopyRefactoring_update_ref;
    SearchMatch[] results = refs.getSearchResults();
    for (int j = 0; j < results.length; j++) {
        SearchMatch searchResult = results[j];
        if (searchResult.getAccuracy() == SearchMatch.A_INACCURATE)
            continue;
        int offset = searchResult.getOffset();
        int length = searchResult.getLength();
        TextChangeCompatibility.addTextEdit(manager.get(copy), name, new ReplaceEdit(offset, length, newName));
    }
    return manager;
}

Example 7 with ReplaceEdit

use of org.eclipse.text.edits.ReplaceEdit in project che by eclipse.

the class MoveCuUpdateCreator method addReferenceUpdates.

private void addReferenceUpdates(TextChangeManager changeManager, ICompilationUnit movedUnit, IProgressMonitor pm, RefactoringStatus status) throws JavaModelException, CoreException {
    List<ICompilationUnit> cuList = Arrays.asList(fCus);
    SearchResultGroup[] references = getReferences(movedUnit, pm, status);
    for (int i = 0; i < references.length; i++) {
        SearchResultGroup searchResultGroup = references[i];
        ICompilationUnit referencingCu = searchResultGroup.getCompilationUnit();
        if (referencingCu == null)
            continue;
        boolean simpleReferencesNeedNewImport = simpleReferencesNeedNewImport(movedUnit, referencingCu, cuList);
        SearchMatch[] results = searchResultGroup.getSearchResults();
        for (int j = 0; j < results.length; j++) {
            // TODO: should update type references with results from addImport
            TypeReference reference = (TypeReference) results[j];
            if (reference.isImportDeclaration()) {
                ImportRewrite rewrite = getImportRewrite(referencingCu);
                IImportDeclaration importDecl = (IImportDeclaration) SearchUtils.getEnclosingJavaElement(results[j]);
                if (Flags.isStatic(importDecl.getFlags())) {
                    rewrite.removeStaticImport(importDecl.getElementName());
                    addStaticImport(movedUnit, importDecl, rewrite);
                } else {
                    rewrite.removeImport(importDecl.getElementName());
                    rewrite.addImport(createStringForNewImport(movedUnit, importDecl));
                }
            } else if (reference.isQualified()) {
                TextChange textChange = changeManager.get(referencingCu);
                String changeName = RefactoringCoreMessages.MoveCuUpdateCreator_update_references;
                TextEdit replaceEdit = new ReplaceEdit(reference.getOffset(), reference.getSimpleNameStart() - reference.getOffset(), fNewPackage);
                TextChangeCompatibility.addTextEdit(textChange, changeName, replaceEdit);
            } else if (simpleReferencesNeedNewImport) {
                ImportRewrite importEdit = getImportRewrite(referencingCu);
                String typeName = reference.getSimpleName();
                importEdit.addImport(getQualifiedType(fDestination.getElementName(), typeName));
            }
        }
    }
}

Example 8 with ReplaceEdit

use of org.eclipse.text.edits.ReplaceEdit in project che by eclipse.

the class MultiStateTextFileChange method getPreviewContent.

/*
	 * @see org.eclipse.ltk.core.refactoring.TextEditBasedChange#getPreviewContent(org.eclipse.ltk.core.refactoring.TextEditBasedChangeGroup[],org.eclipse.jface.text.IRegion,boolean,int,org.eclipse.core.runtime.IProgressMonitor)
	 */
public final String getPreviewContent(final TextEditBasedChangeGroup[] groups, final IRegion region, final boolean expand, final int surround, final IProgressMonitor monitor) throws CoreException {
    final Set cachedGroups = new HashSet(Arrays.asList(groups));
    final IDocument document = new Document(getCurrentDocument(monitor).get());
    // Marks the region in the document to be previewed
    final Position range = new Position(region.getOffset(), region.getLength());
    try {
        ComposableBufferChange change = null;
        final TextEditBasedChangeGroup[] changedGroups = getChangeGroups();
        LinkedList compositeUndo = new LinkedList();
        for (int index = 0; index < fChanges.size(); index++) {
            change = (ComposableBufferChange) fChanges.get(index);
            TextEdit copy = null;
            try {
                // Have to use a copy
                fCopier = new TextEditCopier(change.getEdit());
                copy = fCopier.perform();
                // Create a mapping from the copied edits to its originals
                final Map originalMap = new HashMap();
                for (final Iterator outer = change.getGroups().iterator(); outer.hasNext(); ) {
                    final ComposableBufferChangeGroup group = (ComposableBufferChangeGroup) outer.next();
                    for (final Iterator inner = group.getCachedEdits().iterator(); inner.hasNext(); ) {
                        final TextEdit originalEdit = (TextEdit) inner.next();
                        final TextEdit copiedEdit = fCopier.getCopy(originalEdit);
                        if (copiedEdit != null)
                            originalMap.put(copiedEdit, originalEdit);
                        else
                            //$NON-NLS-1$
                            RefactoringCorePlugin.logErrorMessage("Could not find a copy for the indexed text edit " + originalEdit.toString());
                    }
                }
                final ComposableBufferChangeGroup[] currentGroup = { null };
                final TextEdit[] currentEdit = { null };
                // Text edit processor which sets the change group and
                // current edit when processing
                final TextEditProcessor processor = new TextEditProcessor(document, copy, TextEdit.NONE) {

                    protected final boolean considerEdit(final TextEdit edit) {
                        final TextEdit originalEdit = (TextEdit) originalMap.get(edit);
                        if (originalEdit != null) {
                            currentEdit[0] = originalEdit;
                            boolean found = false;
                            for (int offset = 0; offset < changedGroups.length && !found; offset++) {
                                final ComposableBufferChangeGroup group = (ComposableBufferChangeGroup) changedGroups[offset];
                                if (group.containsEdit(originalEdit)) {
                                    currentGroup[0] = group;
                                    found = true;
                                }
                            }
                            if (!found)
                                currentGroup[0] = null;
                        } else if (!(edit instanceof MultiTextEdit)) {
                            //$NON-NLS-1$
                            RefactoringCorePlugin.logErrorMessage("Could not find the original of the copied text edit " + edit.toString());
                        }
                        return true;
                    }
                };
                final LinkedList eventUndos = new LinkedList();
                // Listener to record the undos on the document (offsets
                // relative to the document event)
                final IDocumentListener listener = new IDocumentListener() {

                    public final void documentAboutToBeChanged(final DocumentEvent event) {
                        final ComposableUndoEdit edit = new ComposableUndoEdit();
                        edit.setGroup(currentGroup[0]);
                        edit.setOriginal(currentEdit[0]);
                        edit.setUndo(createUndoEdit(document, event.getOffset(), event.getLength(), event.getText()));
                        eventUndos.addFirst(edit);
                    }

                    public final void documentChanged(final DocumentEvent event) {
                    // Do nothing
                    }
                };
                try {
                    // Record undos in LIFO order
                    document.addDocumentListener(listener);
                    processor.performEdits();
                } finally {
                    document.removeDocumentListener(listener);
                }
                compositeUndo.addFirst(eventUndos);
            } finally {
                fCopier = null;
            }
        }
        final IPositionUpdater positionUpdater = new IPositionUpdater() {

            public final void update(final DocumentEvent event) {
                final int eventOffset = event.getOffset();
                final int eventLength = event.getLength();
                final int eventOldEndOffset = eventOffset + eventLength;
                final String eventText = event.getText();
                final int eventNewLength = eventText == null ? 0 : eventText.length();
                final int eventNewEndOffset = eventOffset + eventNewLength;
                final int deltaLength = eventNewLength - eventLength;
                try {
                    final Position[] positions = event.getDocument().getPositions(COMPOSABLE_POSITION_CATEGORY);
                    for (int index = 0; index < positions.length; index++) {
                        final Position position = positions[index];
                        if (position.isDeleted())
                            continue;
                        final int offset = position.getOffset();
                        final int length = position.getLength();
                        final int end = offset + length;
                        if (offset > eventOldEndOffset) {
                            // position comes way after change - shift
                            position.setOffset(offset + deltaLength);
                        } else if (end < eventOffset) {
                        // position comes way before change - leave
                        // alone
                        } else if (offset == eventOffset) {
                        // leave alone, since the edits are overlapping
                        } else if (offset <= eventOffset && end >= eventOldEndOffset) {
                            // event completely internal to the position
                            // -
                            // adjust length
                            position.setLength(length + deltaLength);
                        } else if (offset < eventOffset) {
                            // event extends over end of position - include
                            // the
                            // replacement text into the position
                            position.setLength(eventNewEndOffset - offset);
                        } else if (end > eventOldEndOffset) {
                            // event extends from before position into it -
                            // adjust
                            // offset and length, including the replacement
                            // text into
                            // the position
                            position.setOffset(eventOffset);
                            int deleted = eventOldEndOffset - offset;
                            position.setLength(length - deleted + eventNewLength);
                        } else {
                            // event comprises the position - keep it at the
                            // same
                            // position, but always inside the replacement
                            // text
                            int newOffset = Math.min(offset, eventNewEndOffset);
                            int newEndOffset = Math.min(end, eventNewEndOffset);
                            position.setOffset(newOffset);
                            position.setLength(newEndOffset - newOffset);
                        }
                    }
                } catch (BadPositionCategoryException exception) {
                // ignore and return
                }
            }
        };
        try {
            document.addPositionCategory(COMPOSABLE_POSITION_CATEGORY);
            document.addPositionUpdater(positionUpdater);
            // Apply undos in LIFO order to get to the original document
            // Track the undos of edits which are in change groups to be
            // previewed and insert
            // Undo edits for them (corresponding to the linearized net
            // effect on the original document)
            final LinkedList undoQueue = new LinkedList();
            for (final Iterator outer = compositeUndo.iterator(); outer.hasNext(); ) {
                for (final Iterator inner = ((List) outer.next()).iterator(); inner.hasNext(); ) {
                    final ComposableUndoEdit edit = (ComposableUndoEdit) inner.next();
                    final ReplaceEdit undo = edit.getUndo();
                    final int offset = undo.getOffset();
                    final int length = undo.getLength();
                    final String text = undo.getText();
                    ComposableEditPosition position = new ComposableEditPosition();
                    if (cachedGroups.contains(edit.getGroup())) {
                        if (text == null || text.equals("")) {
                            //$NON-NLS-1$
                            position.offset = offset;
                            if (length != 0) {
                                // Undo is a delete, create final insert
                                // edit
                                position.length = 0;
                                position.setText(edit.getOriginalText());
                            } else
                                //$NON-NLS-1$
                                RefactoringCorePlugin.logErrorMessage("Dubious undo edit found: " + undo.toString());
                        } else if (length == 0) {
                            position.offset = offset;
                            // Undo is an insert, create final delete
                            // edit
                            //$NON-NLS-1$
                            position.setText("");
                            position.length = text.length();
                        } else {
                            // Undo is a replace, create final replace edit
                            position.offset = offset;
                            position.length = length;
                            position.setText(edit.getOriginalText());
                        }
                        document.addPosition(COMPOSABLE_POSITION_CATEGORY, position);
                    }
                    position = new ComposableEditPosition();
                    position.offset = undo.getOffset();
                    position.length = undo.getLength();
                    position.setText(undo.getText());
                    undoQueue.add(position);
                }
                for (final Iterator iterator = undoQueue.iterator(); iterator.hasNext(); ) {
                    final ComposableEditPosition position = (ComposableEditPosition) iterator.next();
                    document.replace(position.offset, position.length, position.getText());
                    iterator.remove();
                }
            }
            // Use a simple non deleting position updater for the range
            final IPositionUpdater markerUpdater = new NonDeletingPositionUpdater(MARKER_POSITION_CATEGORY);
            try {
                final Position[] positions = document.getPositions(COMPOSABLE_POSITION_CATEGORY);
                document.addPositionCategory(MARKER_POSITION_CATEGORY);
                document.addPositionUpdater(markerUpdater);
                document.addPosition(MARKER_POSITION_CATEGORY, range);
                for (int index = 0; index < positions.length; index++) {
                    final ComposableEditPosition position = (ComposableEditPosition) positions[index];
                    //$NON-NLS-1$
                    document.replace(position.offset, position.length, position.getText() != null ? position.getText() : "");
                }
            } catch (BadPositionCategoryException exception) {
                RefactoringCorePlugin.log(exception);
            } finally {
                document.removePositionUpdater(markerUpdater);
                try {
                    document.removePosition(MARKER_POSITION_CATEGORY, range);
                    document.removePositionCategory(MARKER_POSITION_CATEGORY);
                } catch (BadPositionCategoryException exception) {
                // Cannot happen
                }
            }
        } catch (BadPositionCategoryException exception) {
            RefactoringCorePlugin.log(exception);
        } finally {
            document.removePositionUpdater(positionUpdater);
            try {
                document.removePositionCategory(COMPOSABLE_POSITION_CATEGORY);
            } catch (BadPositionCategoryException exception) {
                RefactoringCorePlugin.log(exception);
            }
        }
        return getContent(document, new Region(range.offset, range.length), expand, surround);
    } catch (MalformedTreeException exception) {
        RefactoringCorePlugin.log(exception);
    } catch (BadLocationException exception) {
        RefactoringCorePlugin.log(exception);
    }
    return getPreviewDocument(monitor).get();
}

Example 9 with ReplaceEdit

use of org.eclipse.text.edits.ReplaceEdit in project che by eclipse.

the class DeletePackageFragmentRootChange method doDelete.

@Override
protected Change doDelete(IProgressMonitor pm) throws CoreException {
    if (!confirmDeleteIfReferenced())
        return new NullChange();
    int resourceUpdateFlags = IResource.KEEP_HISTORY;
    int jCoreUpdateFlags = IPackageFragmentRoot.ORIGINATING_PROJECT_CLASSPATH | IPackageFragmentRoot.OTHER_REFERRING_PROJECTS_CLASSPATH;
    //$NON-NLS-1$
    pm.beginTask("", 2);
    IPackageFragmentRoot root = getRoot();
    IResource rootResource = root.getResource();
    CompositeChange result = new CompositeChange(getName());
    ResourceDescription rootDescription = ResourceDescription.fromResource(rootResource);
    IJavaProject[] referencingProjects = JavaElementUtil.getReferencingProjects(root);
    HashMap<IFile, String> classpathFilesContents = new HashMap<IFile, String>();
    for (int i = 0; i < referencingProjects.length; i++) {
        IJavaProject javaProject = referencingProjects[i];
        //$NON-NLS-1$
        IFile classpathFile = javaProject.getProject().getFile(".classpath");
        if (classpathFile.exists()) {
            classpathFilesContents.put(classpathFile, getFileContents(classpathFile));
        }
    }
    root.delete(resourceUpdateFlags, jCoreUpdateFlags, new SubProgressMonitor(pm, 1));
    rootDescription.recordStateFromHistory(rootResource, new SubProgressMonitor(pm, 1));
    for (Iterator<Entry<IFile, String>> iterator = classpathFilesContents.entrySet().iterator(); iterator.hasNext(); ) {
        Entry<IFile, String> entry = iterator.next();
        IFile file = entry.getKey();
        String contents = entry.getValue();
        //Restore time stamps? This should probably be some sort of UndoTextFileChange.
        TextFileChange classpathUndo = new TextFileChange(Messages.format(RefactoringCoreMessages.DeletePackageFragmentRootChange_restore_file, BasicElementLabels.getPathLabel(file.getFullPath(), true)), file);
        classpathUndo.setEdit(new ReplaceEdit(0, getFileLength(file), contents));
        result.add(classpathUndo);
    }
    result.add(new UndoDeleteResourceChange(rootDescription));
    pm.done();
    return result;
}

Example 10 with ReplaceEdit

use of org.eclipse.text.edits.ReplaceEdit in project che by eclipse.

the class RenameNodeCorrectionProposal method addEdits.

/*(non-Javadoc)
	 * @see org.eclipse.jdt.internal.ui.text.correction.CUCorrectionProposal#addEdits(org.eclipse.jface.text.IDocument)
	 */
@Override
protected void addEdits(IDocument doc, TextEdit root) throws CoreException {
    super.addEdits(doc, root);
    // build a full AST
    CompilationUnit unit = SharedASTProvider.getAST(getCompilationUnit(), SharedASTProvider.WAIT_YES, null);
    ASTNode name = NodeFinder.perform(unit, fOffset, fLength);
    if (name instanceof SimpleName) {
        SimpleName[] names = LinkedNodeFinder.findByProblems(unit, (SimpleName) name);
        if (names != null) {
            for (int i = 0; i < names.length; i++) {
                SimpleName curr = names[i];
                root.addChild(new ReplaceEdit(curr.getStartPosition(), curr.getLength(), fNewName));
            }
            return;
        }
    }
    root.addChild(new ReplaceEdit(fOffset, fLength, fNewName));
}