Examples with Document org.eclipse.jface.text.Document used on opensource projects

Example 36 with Document

use of org.eclipse.jface.text.Document in project che by eclipse.

the class StubUtility method getMethodComment.

/*
	 * Don't use this method directly, use CodeGeneration.
	 * @see org.eclipse.jdt.ui.CodeGeneration#getMethodComment(ICompilationUnit, String, String, String[], String[], String, String[], IMethod, String)
	 */
public static String getMethodComment(ICompilationUnit cu, String typeName, String methodName, String[] paramNames, String[] excTypeSig, String retTypeSig, String[] typeParameterNames, IMethod target, boolean delegate, String lineDelimiter) throws CoreException {
    String templateName = CodeTemplateContextType.METHODCOMMENT_ID;
    if (retTypeSig == null) {
        templateName = CodeTemplateContextType.CONSTRUCTORCOMMENT_ID;
    } else if (target != null) {
        if (delegate)
            templateName = CodeTemplateContextType.DELEGATECOMMENT_ID;
        else
            templateName = CodeTemplateContextType.OVERRIDECOMMENT_ID;
    }
    Template template = getCodeTemplate(templateName, cu.getJavaProject());
    if (template == null) {
        return null;
    }
    CodeTemplateContext context = new CodeTemplateContext(template.getContextTypeId(), cu.getJavaProject(), lineDelimiter);
    context.setCompilationUnitVariables(cu);
    context.setVariable(CodeTemplateContextType.ENCLOSING_TYPE, typeName);
    context.setVariable(CodeTemplateContextType.ENCLOSING_METHOD, methodName);
    if (retTypeSig != null) {
        context.setVariable(CodeTemplateContextType.RETURN_TYPE, Signature.toString(retTypeSig));
    }
    if (target != null) {
        String targetTypeName = target.getDeclaringType().getFullyQualifiedName('.');
        String[] targetParamTypeNames = getParameterTypeNamesForSeeTag(target);
        if (delegate)
            context.setVariable(CodeTemplateContextType.SEE_TO_TARGET_TAG, getSeeTag(targetTypeName, methodName, targetParamTypeNames));
        else
            context.setVariable(CodeTemplateContextType.SEE_TO_OVERRIDDEN_TAG, getSeeTag(targetTypeName, methodName, targetParamTypeNames));
    }
    TemplateBuffer buffer;
    try {
        buffer = context.evaluate(template);
    } catch (BadLocationException e) {
        throw new CoreException(Status.CANCEL_STATUS);
    } catch (TemplateException e) {
        throw new CoreException(Status.CANCEL_STATUS);
    }
    if (buffer == null) {
        return null;
    }
    String str = buffer.getString();
    if (Strings.containsOnlyWhitespaces(str)) {
        return null;
    }
    // look if Javadoc tags have to be added
    TemplateVariable position = findVariable(buffer, CodeTemplateContextType.TAGS);
    if (position == null) {
        return str;
    }
    IDocument document = new Document(str);
    String[] exceptionNames = new String[excTypeSig.length];
    for (int i = 0; i < excTypeSig.length; i++) {
        exceptionNames[i] = Signature.toString(excTypeSig[i]);
    }
    String returnType = retTypeSig != null ? Signature.toString(retTypeSig) : null;
    int[] tagOffsets = position.getOffsets();
    for (int i = tagOffsets.length - 1; i >= 0; i--) {
        // from last to first
        try {
            insertTag(document, tagOffsets[i], position.getLength(), paramNames, exceptionNames, returnType, typeParameterNames, false, lineDelimiter);
        } catch (BadLocationException e) {
            throw new CoreException(JavaUIStatus.createError(IStatus.ERROR, e));
        }
    }
    return document.get();
}

Example 37 with Document

use of org.eclipse.jface.text.Document in project che by eclipse.

the class AnonymousTypeCompletionProposal method createNewBody.

private String createNewBody(ImportRewrite importRewrite) throws CoreException {
    if (importRewrite == null)
        return null;
    ICompilationUnit workingCopy = null;
    try {
        //$NON-NLS-1$
        String name = "Type" + System.currentTimeMillis();
        workingCopy = fCompilationUnit.getPrimary().getWorkingCopy(null);
        ISourceRange range = fSuperType.getSourceRange();
        boolean sameUnit = range != null && fCompilationUnit.equals(fSuperType.getCompilationUnit());
        // creates a type that extends the super type
        String dummyClassContent = createDummyType(name);
        StringBuffer workingCopyContents = new StringBuffer(fCompilationUnit.getSource());
        int insertPosition;
        if (sameUnit) {
            insertPosition = range.getOffset() + range.getLength();
        } else {
            ISourceRange firstTypeRange = fCompilationUnit.getTypes()[0].getSourceRange();
            insertPosition = firstTypeRange.getOffset();
        }
        if (fSuperType.isLocal()) {
            // add an extra block: helps the AST to recover
            workingCopyContents.insert(insertPosition, '{' + dummyClassContent + '}');
            insertPosition++;
        } else {
            /*
				 * The two empty lines are added because the trackedDeclaration uses the covered range
				 * and hence would also included comments that directly follow the dummy class.
				 */
            //$NON-NLS-1$
            workingCopyContents.insert(insertPosition, dummyClassContent + "\n\n");
        }
        workingCopy.getBuffer().setContents(workingCopyContents.toString());
        CheASTParser parser = CheASTParser.newParser(ASTProvider.SHARED_AST_LEVEL);
        parser.setResolveBindings(true);
        parser.setStatementsRecovery(true);
        parser.setSource(workingCopy);
        CompilationUnit astRoot = (CompilationUnit) parser.createAST(new NullProgressMonitor());
        ASTNode newType = NodeFinder.perform(astRoot, insertPosition, dummyClassContent.length());
        if (!(newType instanceof AbstractTypeDeclaration))
            return null;
        AbstractTypeDeclaration declaration = (AbstractTypeDeclaration) newType;
        ITypeBinding dummyTypeBinding = declaration.resolveBinding();
        if (dummyTypeBinding == null)
            return null;
        IMethodBinding[] bindings = StubUtility2.getOverridableMethods(astRoot.getAST(), dummyTypeBinding, true);
        if (fSuperType.isInterface()) {
            ITypeBinding[] dummySuperInterfaces = dummyTypeBinding.getInterfaces();
            if (dummySuperInterfaces.length == 0 || dummySuperInterfaces.length == 1 && dummySuperInterfaces[0].isRawType())
                bindings = new IMethodBinding[0];
        } else {
            ITypeBinding dummySuperclass = dummyTypeBinding.getSuperclass();
            if (dummySuperclass == null || dummySuperclass.isRawType())
                bindings = new IMethodBinding[0];
        }
        CodeGenerationSettings settings = JavaPreferencesSettings.getCodeGenerationSettings(fSuperType.getJavaProject());
        IMethodBinding[] methodsToOverride = null;
        IType type = null;
        if (!fSuperType.isInterface() && !fSuperType.isAnnotation()) {
            IJavaElement typeElement = dummyTypeBinding.getJavaElement();
            // add extra checks here as the recovered code is fragile
            if (typeElement instanceof IType && name.equals(typeElement.getElementName()) && typeElement.exists()) {
                type = (IType) typeElement;
            }
        }
        if (type != null) {
            //TODO window
            throw new UnsupportedOperationException();
        } else {
            settings.createComments = false;
            List<IMethodBinding> result = new ArrayList<IMethodBinding>();
            for (int i = 0; i < bindings.length; i++) {
                IMethodBinding curr = bindings[i];
                if (Modifier.isAbstract(curr.getModifiers()))
                    result.add(curr);
            }
            methodsToOverride = result.toArray(new IMethodBinding[result.size()]);
        }
        ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());
        ITrackedNodePosition trackedDeclaration = rewrite.track(declaration);
        ListRewrite rewriter = rewrite.getListRewrite(declaration, declaration.getBodyDeclarationsProperty());
        for (int i = 0; i < methodsToOverride.length; i++) {
            IMethodBinding curr = methodsToOverride[i];
            MethodDeclaration stub = StubUtility2.createImplementationStub(workingCopy, rewrite, importRewrite, null, curr, dummyTypeBinding.getName(), settings, dummyTypeBinding.isInterface());
            rewriter.insertFirst(stub, null);
        }
        IDocument document = new Document(workingCopy.getSource());
        try {
            rewrite.rewriteAST().apply(document);
            int bodyStart = trackedDeclaration.getStartPosition() + dummyClassContent.indexOf('{');
            int bodyEnd = trackedDeclaration.getStartPosition() + trackedDeclaration.getLength();
            return document.get(bodyStart, bodyEnd - bodyStart);
        } catch (MalformedTreeException exception) {
            JavaPlugin.log(exception);
        } catch (BadLocationException exception) {
            JavaPlugin.log(exception);
        }
        return null;
    } finally {
        if (workingCopy != null)
            workingCopy.discardWorkingCopy();
    }
}

Example 38 with Document

use of org.eclipse.jface.text.Document in project che by eclipse.

the class OverrideCompletionProposal method updateReplacementString.

/*
     * @see JavaTypeCompletionProposal#updateReplacementString(IDocument,char,int,ImportRewrite)
     */
@Override
protected boolean updateReplacementString(IDocument document, char trigger, int offset, ImportRewrite importRewrite) throws CoreException, BadLocationException {
    Document recoveredDocument = new Document();
    CompilationUnit unit = getRecoveredAST(document, offset, recoveredDocument);
    ImportRewriteContext context;
    if (importRewrite != null) {
        context = new ContextSensitiveImportRewriteContext(unit, offset, importRewrite);
    } else {
        // create a dummy import rewriter to have one
        importRewrite = StubUtility.createImportRewrite(unit, true);
        context = new // forces that all imports are fully qualified
        ImportRewriteContext() {

            @Override
            public int findInContext(String qualifier, String name, int kind) {
                return RES_NAME_CONFLICT;
            }
        };
    }
    ITypeBinding declaringType = null;
    ChildListPropertyDescriptor descriptor = null;
    ASTNode node = NodeFinder.perform(unit, offset, 1);
    if (node instanceof AnonymousClassDeclaration) {
        declaringType = ((AnonymousClassDeclaration) node).resolveBinding();
        descriptor = AnonymousClassDeclaration.BODY_DECLARATIONS_PROPERTY;
    } else if (node instanceof AbstractTypeDeclaration) {
        AbstractTypeDeclaration declaration = (AbstractTypeDeclaration) node;
        descriptor = declaration.getBodyDeclarationsProperty();
        declaringType = declaration.resolveBinding();
    }
    if (declaringType != null) {
        ASTRewrite rewrite = ASTRewrite.create(unit.getAST());
        IMethodBinding methodToOverride = Bindings.findMethodInHierarchy(declaringType, fMethodName, fParamTypes);
        if (methodToOverride == null && declaringType.isInterface()) {
            //$NON-NLS-1$
            methodToOverride = Bindings.findMethodInType(node.getAST().resolveWellKnownType("java.lang.Object"), fMethodName, fParamTypes);
        }
        if (methodToOverride != null) {
            CodeGenerationSettings settings = JavaPreferencesSettings.getCodeGenerationSettings(fJavaProject);
            MethodDeclaration stub = StubUtility2.createImplementationStub(fCompilationUnit, rewrite, importRewrite, context, methodToOverride, declaringType.getName(), settings, declaringType.isInterface());
            ListRewrite rewriter = rewrite.getListRewrite(node, descriptor);
            rewriter.insertFirst(stub, null);
            ITrackedNodePosition position = rewrite.track(stub);
            try {
                rewrite.rewriteAST(recoveredDocument, fJavaProject.getOptions(true)).apply(recoveredDocument);
                String generatedCode = recoveredDocument.get(position.getStartPosition(), position.getLength());
                int generatedIndent = IndentManipulation.measureIndentUnits(getIndentAt(recoveredDocument, position.getStartPosition(), settings), settings.tabWidth, settings.indentWidth);
                String indent = getIndentAt(document, getReplacementOffset(), settings);
                setReplacementString(IndentManipulation.changeIndent(generatedCode, generatedIndent, settings.tabWidth, settings.indentWidth, indent, TextUtilities.getDefaultLineDelimiter(document)));
            } catch (MalformedTreeException exception) {
                JavaPlugin.log(exception);
            } catch (BadLocationException exception) {
                JavaPlugin.log(exception);
            }
        }
    }
    return true;
}

Example 39 with Document

use of org.eclipse.jface.text.Document in project che by eclipse.

the class DocumentAdapter method close.

/*
	 * @see IBuffer#close()
	 */
public void close() {
    if (isClosed())
        return;
    IDocument d = fDocument;
    fDocument = new Document();
    fIsClosed = true;
    d.removeDocumentListener(this);
    //
    //		if (fTextFileBuffer != null) {
    //			ITextFileBufferManager manager = FileBuffers.getTextFileBufferManager();
    //			try {
    //				if (fFileStore != null)
    //					manager.disconnectFileStore(fFileStore, new NullProgressMonitor());
    //				else
    //					manager.disconnect(fPath, fLocationKind, new NullProgressMonitor());
    //			} catch (CoreException x) {
    //				// ignore
    //			}
    //			fTextFileBuffer = null;
    //		}
    fireBufferChanged(new BufferChangedEvent(this, 0, 0, null));
    fBufferListeners.clear();
}

Example 40 with Document

use of org.eclipse.jface.text.Document in project che by eclipse.

the class Formatter method getFormatChanges.

/**
     * Creates edits that describe how to format the given string.
     * Returns the changes required to format source.
     *
     * @param content
     *         The content to format
     * @param offset
     *         The given offset to start recording the edits (inclusive).
     * @param length
     *         the given length to stop recording the edits (exclusive).
     * @return <code>List<Change></code> describing the changes required to format source
     * @throws IllegalArgumentException
     *         If the offset and length are not inside the string, a IllegalArgumentException is thrown.
     */
public List<Change> getFormatChanges(String content, int offset, int length) throws BadLocationException, IllegalArgumentException {
    IDocument document = new Document(content);
    DocumentChangeListener documentChangeListener = new DocumentChangeListener(document);
    TextEdit textEdit = CodeFormatterUtil.format2(CodeFormatter.K_COMPILATION_UNIT, content, offset, length, 0, null, null);
    textEdit.apply(document);
    return documentChangeListener.getChanges();
}