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

Example 1 with TextEdit

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

the class OrganizeImportsOperation method createTextEdit.

public TextEdit createTextEdit(IProgressMonitor monitor) throws CoreException, OperationCanceledException {
    if (monitor == null) {
        monitor = new NullProgressMonitor();
    }
    try {
        fNumberOfImportsAdded = 0;
        fNumberOfImportsRemoved = 0;
        monitor.beginTask(Messages.format(CodeGenerationMessages.OrganizeImportsOperation_description, BasicElementLabels.getFileName(fCompilationUnit)), 9);
        CompilationUnit astRoot = fASTRoot;
        if (astRoot == null) {
            astRoot = SharedASTProvider.getAST(fCompilationUnit, SharedASTProvider.WAIT_YES, new SubProgressMonitor(monitor, 2));
            if (monitor.isCanceled())
                throw new OperationCanceledException();
        } else {
            monitor.worked(2);
        }
        ImportRewrite importsRewrite = StubUtility.createImportRewrite(astRoot, false);
        Set<String> oldSingleImports = new HashSet<>();
        Set<String> oldDemandImports = new HashSet<>();
        List<SimpleName> typeReferences = new ArrayList<>();
        List<SimpleName> staticReferences = new ArrayList<>();
        if (!collectReferences(astRoot, typeReferences, staticReferences, oldSingleImports, oldDemandImports))
            return null;
        monitor.worked(1);
        processor = new TypeReferenceProcessor(oldSingleImports, oldDemandImports, astRoot, importsRewrite, fIgnoreLowerCaseNames);
        Iterator<SimpleName> refIterator = typeReferences.iterator();
        while (refIterator.hasNext()) {
            SimpleName typeRef = refIterator.next();
            processor.add(typeRef);
        }
        hasOpenChoices = processor.process(new SubProgressMonitor(monitor, 3));
        addStaticImports(staticReferences, importsRewrite);
        if (hasOpenChoices) {
            choices = processor.getChoices();
            ISourceRange[] ranges = processor.getChoicesSourceRanges();
            if (fChooseImportQuery != null) {
                TypeNameMatch[] chosen = fChooseImportQuery.chooseImports(choices, ranges);
                for (int i = 0; i < chosen.length; i++) {
                    TypeNameMatch typeInfo = chosen[i];
                    importsRewrite.addImport(typeInfo.getFullyQualifiedName());
                }
            } else if (chosenFQN != null) {
                chosenFQN.forEach(importsRewrite::addImport);
            }
        }
        TextEdit result = importsRewrite.rewriteImports(new SubProgressMonitor(monitor, 3));
        determineImportDifferences(importsRewrite, oldSingleImports, oldDemandImports);
        return result;
    } finally {
        monitor.done();
    }
}

Example 2 with TextEdit

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

the class ASTNodes method asFormattedString.

public static String asFormattedString(ASTNode node, int indent, String lineDelim, Map<String, String> options) {
    String unformatted = asString(node);
    TextEdit edit = CodeFormatterUtil.format2(node, unformatted, indent, lineDelim, options);
    if (edit != null) {
        Document document = new Document(unformatted);
        try {
            edit.apply(document, TextEdit.NONE);
        } catch (BadLocationException e) {
            JavaPlugin.log(e);
        }
        return document.get();
    }
    // unknown node
    return unformatted;
}

Example 3 with TextEdit

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

the class DelegateCreator method createEdit.

/**
	 * Performs the actual rewriting and adds an edit to the ASTRewrite set with
	 * {@link #setSourceRewrite(CompilationUnitRewrite)}.
	 *
	 * @throws JavaModelException
	 */
public void createEdit() throws JavaModelException {
    try {
        IDocument document = new Document(fDelegateRewrite.getCu().getBuffer().getContents());
        TextEdit edit = fDelegateRewrite.getASTRewrite().rewriteAST(document, fDelegateRewrite.getCu().getJavaProject().getOptions(true));
        edit.apply(document, TextEdit.UPDATE_REGIONS);
        String newSource = Strings.trimIndentation(document.get(fTrackedPosition.getStartPosition(), fTrackedPosition.getLength()), fPreferences.tabWidth, fPreferences.indentWidth, false);
        ASTNode placeholder = fOriginalRewrite.getASTRewrite().createStringPlaceholder(newSource, fDeclaration.getNodeType());
        CategorizedTextEditGroup groupDescription = fOriginalRewrite.createCategorizedGroupDescription(getTextEditGroupLabel(), CATEGORY_DELEGATE);
        ListRewrite bodyDeclarationsListRewrite = fOriginalRewrite.getASTRewrite().getListRewrite(fDeclaration.getParent(), getTypeBodyDeclarationsProperty());
        if (fCopy)
            if (fInsertBefore)
                bodyDeclarationsListRewrite.insertBefore(placeholder, fDeclaration, groupDescription);
            else
                bodyDeclarationsListRewrite.insertAfter(placeholder, fDeclaration, groupDescription);
        else
            bodyDeclarationsListRewrite.replace(fDeclaration, placeholder, groupDescription);
    } catch (BadLocationException e) {
        JavaPlugin.log(e);
    }
}

Example 4 with TextEdit

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

the class SourceProvider method getCodeBlocks.

public String[] getCodeBlocks(CallContext context, ImportRewrite importRewrite) throws CoreException {
    final ASTRewrite rewriter = ASTRewrite.create(fDeclaration.getAST());
    replaceParameterWithExpression(rewriter, context, importRewrite);
    updateImplicitReceivers(rewriter, context);
    makeNamesUnique(rewriter, context.scope);
    updateTypeReferences(rewriter, context);
    updateStaticReferences(rewriter, context);
    updateTypeVariables(rewriter, context);
    updateMethodTypeVariable(rewriter, context);
    List<IRegion> ranges = null;
    if (hasReturnValue()) {
        if (context.callMode == ASTNode.RETURN_STATEMENT) {
            ranges = getStatementRanges();
        } else {
            ranges = getExpressionRanges();
        }
    } else {
        ASTNode last = getLastStatement();
        if (last != null && last.getNodeType() == ASTNode.RETURN_STATEMENT) {
            ranges = getReturnStatementRanges();
        } else {
            ranges = getStatementRanges();
        }
    }
    final TextEdit dummy = rewriter.rewriteAST(fDocument, fTypeRoot.getJavaProject().getOptions(true));
    int size = ranges.size();
    RangeMarker[] markers = new RangeMarker[size];
    for (int i = 0; i < markers.length; i++) {
        IRegion range = ranges.get(i);
        markers[i] = new RangeMarker(range.getOffset(), range.getLength());
    }
    int split;
    if (size <= 1) {
        split = Integer.MAX_VALUE;
    } else {
        IRegion region = ranges.get(0);
        split = region.getOffset() + region.getLength();
    }
    TextEdit[] edits = dummy.removeChildren();
    for (int i = 0; i < edits.length; i++) {
        TextEdit edit = edits[i];
        int pos = edit.getOffset() >= split ? 1 : 0;
        markers[pos].addChild(edit);
    }
    MultiTextEdit root = new MultiTextEdit(0, fDocument.getLength());
    root.addChildren(markers);
    try {
        TextEditProcessor processor = new TextEditProcessor(fDocument, root, TextEdit.CREATE_UNDO | TextEdit.UPDATE_REGIONS);
        UndoEdit undo = processor.performEdits();
        String[] result = getBlocks(markers);
        // It is faster to undo the changes than coping the buffer over and over again.
        processor = new TextEditProcessor(fDocument, undo, TextEdit.UPDATE_REGIONS);
        processor.performEdits();
        return result;
    } catch (MalformedTreeException exception) {
        JavaPlugin.log(exception);
    } catch (BadLocationException exception) {
        JavaPlugin.log(exception);
    }
    return new String[] {};
}

Example 5 with TextEdit

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

the class PromoteTempToFieldRefactoring method createChange.

/*
     * @see org.eclipse.jdt.internal.corext.refactoring.base.IRefactoring#createChange(org.eclipse.core.runtime.IProgressMonitor)
     */
@Override
public Change createChange(IProgressMonitor pm) throws CoreException {
    //$NON-NLS-1$
    pm.beginTask("", 1);
    try {
        if (fFieldName.length() == 0) {
            fFieldName = getInitialFieldName();
        }
        ASTRewrite rewrite = ASTRewrite.create(fCompilationUnitNode.getAST());
        if (fInitializeIn == INITIALIZE_IN_METHOD && tempHasInitializer())
            addLocalDeclarationSplit(rewrite);
        else
            addLocalDeclarationRemoval(rewrite);
        if (fInitializeIn == INITIALIZE_IN_CONSTRUCTOR)
            addInitializersToConstructors(rewrite);
        addTempRenames(rewrite);
        addFieldDeclaration(rewrite);
        CompilationUnitChange result = new CompilationUnitChange(RefactoringCoreMessages.PromoteTempToFieldRefactoring_name, fCu);
        result.setDescriptor(new RefactoringChangeDescriptor(getRefactoringDescriptor()));
        TextEdit resultingEdits = rewrite.rewriteAST();
        TextChangeCompatibility.addTextEdit(result, RefactoringCoreMessages.PromoteTempToFieldRefactoring_editName, resultingEdits);
        return result;
    } finally {
        pm.done();
    }
}