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

Example 41 with MultiTextEdit

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

the class SelfEncapsulateFieldRefactoring method createEdits.

private void createEdits(ICompilationUnit unit, ASTRewrite rewriter, List<TextEditGroup> groups, ImportRewrite importRewrite) throws CoreException {
    TextChange change = fChangeManager.get(unit);
    MultiTextEdit root = new MultiTextEdit();
    change.setEdit(root);
    root.addChild(importRewrite.rewriteImports(null));
    root.addChild(rewriter.rewriteAST());
    for (Iterator<TextEditGroup> iter = groups.iterator(); iter.hasNext(); ) {
        change.addTextEditGroup(iter.next());
    }
}

Example 42 with MultiTextEdit

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

the class CompilationUnitRewrite method attachChange.

/**
	 * Attaches the changes of this compilation unit rewrite to the given CU Change. The given
	 * change <b>must</b> either have no root edit, or a MultiTextEdit as a root edit.
	 * The edits in the given change <b>must not</b> overlap with the changes of
	 * this compilation unit.
	 *
	 * @param cuChange existing CompilationUnitChange with a MultiTextEdit root or no root at all.
	 * @param generateGroups <code>true</code> to generate text edit groups, <code>false</code> otherwise
	 * @param monitor the progress monitor or <code>null</code>
	 * @return a change combining the changes of this rewrite and the given rewrite, or <code>null</code> for an empty change
	 * @throws CoreException when text buffer acquisition or import rewrite text edit creation fails
	 */
public CompilationUnitChange attachChange(CompilationUnitChange cuChange, boolean generateGroups, IProgressMonitor monitor) throws CoreException {
    try {
        // TODO: do we need something like ASTRewrite#hasChanges() here?
        boolean needsAstRewrite = fRewrite != null;
        boolean needsImportRemoval = fImportRemover != null && fImportRemover.hasRemovedNodes();
        boolean needsImportRewrite = fImportRewrite != null && fImportRewrite.hasRecordedChanges() || needsImportRemoval;
        if (!needsAstRewrite && !needsImportRemoval && !needsImportRewrite)
            return null;
        MultiTextEdit multiEdit = (MultiTextEdit) cuChange.getEdit();
        if (multiEdit == null) {
            multiEdit = new MultiTextEdit();
            cuChange.setEdit(multiEdit);
        }
        if (needsAstRewrite) {
            // clean up garbage from earlier calls to ASTRewrite#rewriteAST(..), see https://bugs.eclipse.org/bugs/show_bug.cgi?id=408334#c2
            clearGroupDescriptionEdits();
            TextEdit rewriteEdit;
            if (fRememberContent != null) {
                rewriteEdit = fRewrite.rewriteAST(fRememberContent, fCu.getJavaProject().getOptions(true));
            } else {
                rewriteEdit = fRewrite.rewriteAST();
            }
            if (!isEmptyEdit(rewriteEdit)) {
                multiEdit.addChild(rewriteEdit);
                if (generateGroups) {
                    for (Iterator<TextEditGroup> iter = fTextEditGroups.iterator(); iter.hasNext(); ) {
                        TextEditGroup group = iter.next();
                        cuChange.addTextEditGroup(group);
                    }
                }
            }
        }
        if (needsImportRemoval) {
            fImportRemover.applyRemoves(getImportRewrite());
        }
        if (needsImportRewrite) {
            TextEdit importsEdit = fImportRewrite.rewriteImports(monitor);
            if (!isEmptyEdit(importsEdit)) {
                multiEdit.addChild(importsEdit);
                String importUpdateName = RefactoringCoreMessages.ASTData_update_imports;
                cuChange.addTextEditGroup(new TextEditGroup(importUpdateName, importsEdit));
            }
        } else {
        }
        if (isEmptyEdit(multiEdit))
            return null;
        return cuChange;
    } finally {
        if (monitor != null)
            monitor.done();
    }
}

Example 43 with MultiTextEdit

use of org.eclipse.text.edits.MultiTextEdit in project bndtools by bndtools.

the class PkgRenameParticipant method createChange.

@Override
public Change createChange(IProgressMonitor pm) throws CoreException, OperationCanceledException {
    final Map<IFile, TextChange> fileChanges = new HashMap<IFile, TextChange>();
    IResourceProxyVisitor visitor = new IResourceProxyVisitor() {

        @Override
        public boolean visit(IResourceProxy proxy) throws CoreException {
            if ((proxy.getType() == IResource.FOLDER) || (proxy.getType() == IResource.PROJECT)) {
                return true;
            }
            if (!((proxy.getType() == IResource.FILE) && proxy.getName().toLowerCase().endsWith(".bnd"))) {
                return false;
            }
            /* we're dealing with a *.bnd file */
            /* get the proxied file */
            IFile resource = (IFile) proxy.requestResource();
            /* read the file as a single string */
            String bndFileText = null;
            try {
                bndFileText = FileUtils.readFully(resource).get();
            } catch (Exception e) {
                String str = "Could not read file " + proxy.getName();
                logger.logError(str, e);
                throw new OperationCanceledException(str);
            }
            /*
                 * get the previous change for this file if it exists, or otherwise create a new change for it, but do
                 * not store it yet: wait until we know if there are actually changes in the file
                 */
            TextChange fileChange = getTextChange(resource);
            final boolean fileChangeIsNew = (fileChange == null);
            if (fileChange == null) {
                fileChange = new TextFileChange(proxy.getName(), resource);
                fileChange.setEdit(new MultiTextEdit());
            }
            TextEdit rootEdit = fileChange.getEdit();
            BndEditModel model = new BndEditModel();
            Document document = new Document(bndFileText);
            try {
                model.loadFrom(document);
            } catch (IOException e) {
                String str = "Could not load document " + proxy.getName();
                logger.logError(str, e);
                throw new OperationCanceledException(str);
            }
            /* loop over all renames to perform */
            for (Map.Entry<IPackageFragment, RenameArguments> entry : pkgFragments.entrySet()) {
                IPackageFragment pkgFragment = entry.getKey();
                RenameArguments arguments = entry.getValue();
                final String oldName = pkgFragment.getElementName();
                final String newName = arguments.getNewName();
                List<ImportPattern> newImportedPackages = makeNewHeaders(model.getImportPatterns(), oldName, newName);
                if (newImportedPackages != null) {
                    model.setImportPatterns(newImportedPackages);
                }
                List<ExportedPackage> newExportedPackages = makeNewHeaders(model.getExportedPackages(), oldName, newName);
                if (newExportedPackages != null) {
                    model.setExportedPackages(newExportedPackages);
                }
                List<String> newPrivatePackages = makeNewHeaders(model.getPrivatePackages(), oldName, newName);
                if (newPrivatePackages != null) {
                    model.setPrivatePackages(newPrivatePackages);
                }
                Map<String, String> changes = model.getDocumentChanges();
                for (Iterator<Entry<String, String>> iter = changes.entrySet().iterator(); iter.hasNext(); ) {
                    Entry<String, String> change = iter.next();
                    String propertyName = change.getKey();
                    String stringValue = change.getValue();
                    addEdit(document, rootEdit, propertyName, stringValue);
                    iter.remove();
                }
                Pattern pattern = Pattern.compile(/* match start boundary */
                "(^|" + grammarSeparator + ")" + /* match bundle activator */
                "(Bundle-Activator\\s*:\\s*)" + /* match itself / package name */
                "(" + Pattern.quote(oldName) + ")" + /* match class name */
                "(\\.[^\\.]+)" + /* match end boundary */
                "(" + grammarSeparator + "|" + Pattern.quote("\\") + "|$)");
                /* find all matches to replace and add them to the root edit */
                Matcher matcher = pattern.matcher(bndFileText);
                while (matcher.find()) {
                    rootEdit.addChild(new ReplaceEdit(matcher.start(3), matcher.group(3).length(), newName));
                }
            }
            /*
                 * only store the changes when no changes were stored before for this file and when there are actually
                 * changes.
                 */
            if (fileChangeIsNew && rootEdit.hasChildren()) {
                fileChanges.put(resource, fileChange);
            }
            return false;
        }
    };
    /* determine which projects have to be visited */
    Set<IProject> projectsToVisit = new HashSet<IProject>();
    for (IPackageFragment pkgFragment : pkgFragments.keySet()) {
        projectsToVisit.add(pkgFragment.getResource().getProject());
        for (IProject projectToVisit : pkgFragment.getResource().getProject().getReferencingProjects()) {
            projectsToVisit.add(projectToVisit);
        }
        for (IProject projectToVisit : pkgFragment.getResource().getProject().getReferencedProjects()) {
            projectsToVisit.add(projectToVisit);
        }
    }
    /* visit the projects */
    for (IProject projectToVisit : projectsToVisit) {
        projectToVisit.accept(visitor, IContainer.NONE);
    }
    if (fileChanges.isEmpty()) {
        /* no changes at all */
        return null;
    }
    /* build a composite change with all changes */
    CompositeChange cs = new CompositeChange(changeTitle);
    for (TextChange fileChange : fileChanges.values()) {
        cs.add(fileChange);
    }
    return cs;
}

Example 44 with MultiTextEdit

use of org.eclipse.text.edits.MultiTextEdit in project eclipse.platform.text by eclipse.

the class TemplateContextType method resolve.

/**
 * Resolves the variables in <code>buffer</code> within <code>context</code>
 * and edits the template buffer to reflect the resolved variables.
 *
 * @param buffer the template buffer
 * @param context the template context
 * @throws MalformedTreeException if the positions in the buffer overlap
 * @throws BadLocationException if the buffer cannot be successfully modified
 */
public void resolve(TemplateBuffer buffer, TemplateContext context) throws MalformedTreeException, BadLocationException {
    Assert.isNotNull(context);
    TemplateVariable[] variables = buffer.getVariables();
    List<RangeMarker> positions = variablesToPositions(variables);
    List<ReplaceEdit> edits = new ArrayList<>(5);
    // iterate over all variables and try to resolve them
    for (int i = 0; i != variables.length; i++) {
        TemplateVariable variable = variables[i];
        if (!variable.isResolved())
            resolve(variable, context);
        String value = variable.getDefaultValue();
        int[] offsets = variable.getOffsets();
        // update buffer to reflect new value
        for (int k = 0; k != offsets.length; k++) edits.add(new ReplaceEdit(offsets[k], variable.getInitialLength(), value));
    }
    IDocument document = new Document(buffer.getString());
    MultiTextEdit edit = new MultiTextEdit(0, document.getLength());
    edit.addChildren(positions.toArray(new TextEdit[positions.size()]));
    edit.addChildren(edits.toArray(new TextEdit[edits.size()]));
    edit.apply(document, TextEdit.UPDATE_REGIONS);
    positionsToVariables(positions, variables);
    buffer.setContent(document.get(), variables);
}

Example 45 with MultiTextEdit

use of org.eclipse.text.edits.MultiTextEdit in project eclipse.platform.text by eclipse.

the class TextEditTests method testSwap2InSwap1.

@Test
public void testSwap2InSwap1() throws Exception {
    IDocument document = new Document("foo(1, 2), 3");
    CopySourceEdit innerRoot = new CopySourceEdit(0, 9);
    {
        TextEdit e1 = new ReplaceEdit(4, 1, "");
        CopySourceEdit s1 = new CopySourceEdit(4, 1);
        e1.addChild(s1);
        CopyTargetEdit t1 = new CopyTargetEdit(7, s1);
        TextEdit e2 = new ReplaceEdit(7, 1, "");
        CopySourceEdit s2 = new CopySourceEdit(7, 1);
        e2.addChild(s2);
        CopyTargetEdit t2 = new CopyTargetEdit(4, s2);
        innerRoot.addChild(e1);
        innerRoot.addChild(t2);
        innerRoot.addChild(e2);
        innerRoot.addChild(t1);
    }
    MultiTextEdit root = new MultiTextEdit();
    {
        TextEdit e1 = new ReplaceEdit(0, 9, "");
        e1.addChild(innerRoot);
        CopyTargetEdit t1 = new CopyTargetEdit(11, innerRoot);
        TextEdit e2 = new ReplaceEdit(11, 1, "");
        CopySourceEdit s2 = new CopySourceEdit(11, 1);
        e2.addChild(s2);
        CopyTargetEdit t2 = new CopyTargetEdit(0, s2);
        root.addChild(e1);
        root.addChild(t2);
        root.addChild(e2);
        root.addChild(t1);
    }
    root.apply(document);
    String result = "3, foo(2, 1)";
    Assert.assertEquals("Buffer content", result, document.get());
}