Examples with ICommandAccess org.eclipse.jdt.ui.text.java.correction.ICommandAccess used on opensource projects

Example 1 with ICommandAccess

use of org.eclipse.jdt.ui.text.java.correction.ICommandAccess in project che by eclipse.

the class SuppressWarningsSubProcessor method addSuppressWarningsProposals.

public static void addSuppressWarningsProposals(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) {
    if (problem.isError() && !JavaCore.ENABLED.equals(context.getCompilationUnit().getJavaProject().getOption(JavaCore.COMPILER_PB_SUPPRESS_OPTIONAL_ERRORS, true))) {
        return;
    }
    if (JavaCore.DISABLED.equals(context.getCompilationUnit().getJavaProject().getOption(JavaCore.COMPILER_PB_SUPPRESS_WARNINGS, true))) {
        return;
    }
    String warningToken = CorrectionEngine.getWarningToken(problem.getProblemId());
    if (warningToken == null) {
        return;
    }
    for (Iterator<ICommandAccess> iter = proposals.iterator(); iter.hasNext(); ) {
        Object element = iter.next();
        if (element instanceof SuppressWarningsProposal && warningToken.equals(((SuppressWarningsProposal) element).getWarningToken())) {
            // only one at a time
            return;
        }
    }
    ASTNode node = problem.getCoveringNode(context.getASTRoot());
    if (node == null) {
        return;
    }
    ASTNode target = node;
    int relevance = IProposalRelevance.ADD_SUPPRESSWARNINGS;
    do {
        relevance = addSuppressWarningsProposalIfPossible(context.getCompilationUnit(), target, warningToken, relevance, proposals);
        if (relevance == 0)
            return;
        target = target.getParent();
    } while (target != null);
    ASTNode importStatement = ASTNodes.getParent(node, ImportDeclaration.class);
    if (importStatement != null && !context.getASTRoot().types().isEmpty()) {
        target = (ASTNode) context.getASTRoot().types().get(0);
        if (target != null) {
            addSuppressWarningsProposalIfPossible(context.getCompilationUnit(), target, warningToken, IProposalRelevance.ADD_SUPPRESSWARNINGS, proposals);
        }
    }
}

Example 2 with ICommandAccess

use of org.eclipse.jdt.ui.text.java.correction.ICommandAccess in project che by eclipse.

the class QuickAssistProcessor method getSplitVariableProposals.

private static boolean getSplitVariableProposals(IInvocationContext context, ASTNode node, Collection<ICommandAccess> resultingCollections) {
    VariableDeclarationFragment fragment;
    if (node instanceof VariableDeclarationFragment) {
        fragment = (VariableDeclarationFragment) node;
    } else if (node.getLocationInParent() == VariableDeclarationFragment.NAME_PROPERTY) {
        fragment = (VariableDeclarationFragment) node.getParent();
    } else {
        return false;
    }
    if (fragment.getInitializer() == null) {
        return false;
    }
    Statement statement;
    ASTNode fragParent = fragment.getParent();
    if (fragParent instanceof VariableDeclarationStatement) {
        statement = (VariableDeclarationStatement) fragParent;
    } else if (fragParent instanceof VariableDeclarationExpression) {
        if (fragParent.getLocationInParent() == TryStatement.RESOURCES_PROPERTY) {
            return false;
        }
        statement = (Statement) fragParent.getParent();
    } else {
        return false;
    }
    // statement is ForStatement or VariableDeclarationStatement
    ASTNode statementParent = statement.getParent();
    StructuralPropertyDescriptor property = statement.getLocationInParent();
    if (!property.isChildListProperty()) {
        return false;
    }
    List<? extends ASTNode> list = ASTNodes.getChildListProperty(statementParent, (ChildListPropertyDescriptor) property);
    if (resultingCollections == null) {
        return true;
    }
    AST ast = statement.getAST();
    ASTRewrite rewrite = ASTRewrite.create(ast);
    String label = CorrectionMessages.QuickAssistProcessor_splitdeclaration_description;
    Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_LOCAL);
    ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, context.getCompilationUnit(), rewrite, IProposalRelevance.SPLIT_VARIABLE_DECLARATION, image);
    boolean commandConflict = false;
    for (Iterator<ICommandAccess> iterator = resultingCollections.iterator(); iterator.hasNext(); ) {
        Object completionProposal = iterator.next();
        if (completionProposal instanceof ChangeCorrectionProposal) {
            if (SPLIT_JOIN_VARIABLE_DECLARATION_ID.equals(((ChangeCorrectionProposal) completionProposal).getCommandId())) {
                commandConflict = true;
            }
        }
    }
    if (!commandConflict) {
        proposal.setCommandId(SPLIT_JOIN_VARIABLE_DECLARATION_ID);
    }
    Statement newStatement;
    int insertIndex = list.indexOf(statement);
    Expression placeholder = (Expression) rewrite.createMoveTarget(fragment.getInitializer());
    ITypeBinding binding = fragment.getInitializer().resolveTypeBinding();
    if (placeholder instanceof ArrayInitializer && binding != null && binding.isArray()) {
        ArrayCreation creation = ast.newArrayCreation();
        creation.setInitializer((ArrayInitializer) placeholder);
        final ITypeBinding componentType = binding.getElementType();
        Type type = null;
        if (componentType.isPrimitive())
            type = ast.newPrimitiveType(PrimitiveType.toCode(componentType.getName()));
        else
            type = ast.newSimpleType(ast.newSimpleName(componentType.getName()));
        creation.setType(ast.newArrayType(type, binding.getDimensions()));
        placeholder = creation;
    }
    Assignment assignment = ast.newAssignment();
    assignment.setRightHandSide(placeholder);
    assignment.setLeftHandSide(ast.newSimpleName(fragment.getName().getIdentifier()));
    if (statement instanceof VariableDeclarationStatement) {
        newStatement = ast.newExpressionStatement(assignment);
        // add after declaration
        insertIndex += 1;
    } else {
        rewrite.replace(fragment.getParent(), assignment, null);
        VariableDeclarationFragment newFrag = ast.newVariableDeclarationFragment();
        newFrag.setName(ast.newSimpleName(fragment.getName().getIdentifier()));
        newFrag.extraDimensions().addAll(DimensionRewrite.copyDimensions(fragment.extraDimensions(), rewrite));
        VariableDeclarationExpression oldVarDecl = (VariableDeclarationExpression) fragParent;
        VariableDeclarationStatement newVarDec = ast.newVariableDeclarationStatement(newFrag);
        newVarDec.setType((Type) rewrite.createCopyTarget(oldVarDecl.getType()));
        newVarDec.modifiers().addAll(ASTNodeFactory.newModifiers(ast, oldVarDecl.getModifiers()));
        newStatement = newVarDec;
    }
    ListRewrite listRewriter = rewrite.getListRewrite(statementParent, (ChildListPropertyDescriptor) property);
    listRewriter.insertAt(newStatement, insertIndex, null);
    resultingCollections.add(proposal);
    return true;
}

Example 3 with ICommandAccess

use of org.eclipse.jdt.ui.text.java.correction.ICommandAccess in project che by eclipse.

the class LocalCorrectionsSubProcessor method getMissingEnumConstantCaseProposals.

public static void getMissingEnumConstantCaseProposals(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) {
    for (Iterator<ICommandAccess> iterator = proposals.iterator(); iterator.hasNext(); ) {
        ICommandAccess proposal = iterator.next();
        if (proposal instanceof ChangeCorrectionProposal) {
            if (CorrectionMessages.LocalCorrectionsSubProcessor_add_missing_cases_description.equals(((ChangeCorrectionProposal) proposal).getName())) {
                return;
            }
        }
    }
    ASTNode selectedNode = problem.getCoveringNode(context.getASTRoot());
    if (selectedNode instanceof Expression && selectedNode.getLocationInParent() == SwitchStatement.EXPRESSION_PROPERTY) {
        SwitchStatement statement = (SwitchStatement) selectedNode.getParent();
        ITypeBinding binding = statement.getExpression().resolveTypeBinding();
        if (binding == null || !binding.isEnum()) {
            return;
        }
        ArrayList<String> missingEnumCases = new ArrayList<String>();
        boolean hasDefault = evaluateMissingSwitchCases(binding, statement.statements(), missingEnumCases);
        if (missingEnumCases.size() == 0 && hasDefault)
            return;
        createMissingCaseProposals(context, statement, missingEnumCases, proposals);
    }
}

Example 4 with ICommandAccess

use of org.eclipse.jdt.ui.text.java.correction.ICommandAccess in project flux by eclipse.

the class QuickAssistProcessor method getAssists.

public IJavaCompletionProposal[] getAssists(IInvocationContext context, IProblemLocation[] locations) throws CoreException {
    ASTNode coveringNode = context.getCoveringNode();
    if (coveringNode != null) {
        ArrayList<ASTNode> coveredNodes = AdvancedQuickAssistProcessor.getFullyCoveredNodes(context, coveringNode);
        ArrayList<ICommandAccess> resultingCollections = new ArrayList<ICommandAccess>();
        boolean noErrorsAtLocation = noErrorsAtLocation(locations);
        // quick assists that show up also if there is an error/warning
        getRenameLocalProposals(context, coveringNode, locations, resultingCollections);
        getRenameRefactoringProposal(context, coveringNode, locations, resultingCollections);
        getAssignToVariableProposals(context, coveringNode, locations, resultingCollections);
        getAssignParamToFieldProposals(context, coveringNode, resultingCollections);
        getInferDiamondArgumentsProposal(context, coveringNode, locations, resultingCollections);
        getGenerateForLoopProposals(context, coveringNode, locations, resultingCollections);
        if (noErrorsAtLocation) {
            boolean problemsAtLocation = locations.length != 0;
            getCatchClauseToThrowsProposals(context, coveringNode, resultingCollections);
            getPickoutTypeFromMulticatchProposals(context, coveringNode, coveredNodes, resultingCollections);
            getConvertToMultiCatchProposals(context, coveringNode, resultingCollections);
            getUnrollMultiCatchProposals(context, coveringNode, resultingCollections);
            getUnWrapProposals(context, coveringNode, resultingCollections);
            getJoinVariableProposals(context, coveringNode, resultingCollections);
            getSplitVariableProposals(context, coveringNode, resultingCollections);
            getAddFinallyProposals(context, coveringNode, resultingCollections);
            getAddElseProposals(context, coveringNode, resultingCollections);
            getAddBlockProposals(context, coveringNode, resultingCollections);
            getInvertEqualsProposal(context, coveringNode, resultingCollections);
            getArrayInitializerToArrayCreation(context, coveringNode, resultingCollections);
            getCreateInSuperClassProposals(context, coveringNode, resultingCollections);
            getExtractVariableProposal(context, problemsAtLocation, resultingCollections);
            getExtractMethodProposal(context, coveringNode, problemsAtLocation, resultingCollections);
            getInlineLocalProposal(context, coveringNode, resultingCollections);
            getConvertLocalToFieldProposal(context, coveringNode, resultingCollections);
            getConvertAnonymousToNestedProposal(context, coveringNode, resultingCollections);
            getConvertAnonymousClassCreationsToLambdaProposals(context, coveringNode, resultingCollections);
            getConvertLambdaToAnonymousClassCreationsProposals(context, coveringNode, resultingCollections);
            getChangeLambdaBodyToBlockProposal(context, coveringNode, resultingCollections);
            getChangeLambdaBodyToExpressionProposal(context, coveringNode, resultingCollections);
            if (!getConvertForLoopProposal(context, coveringNode, resultingCollections))
                getConvertIterableLoopProposal(context, coveringNode, resultingCollections);
            getConvertEnhancedForLoopProposal(context, coveringNode, resultingCollections);
            getRemoveBlockProposals(context, coveringNode, resultingCollections);
            getMakeVariableDeclarationFinalProposals(context, resultingCollections);
            getConvertStringConcatenationProposals(context, resultingCollections);
            getMissingCaseStatementProposals(context, coveringNode, resultingCollections);
        }
        return resultingCollections.toArray(new IJavaCompletionProposal[resultingCollections.size()]);
    }
    return null;
}

Example 5 with ICommandAccess

use of org.eclipse.jdt.ui.text.java.correction.ICommandAccess in project che by eclipse.

the class LocalCorrectionsSubProcessor method addTypePrametersToRawTypeReference.

public static void addTypePrametersToRawTypeReference(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) {
    IProposableFix fix = Java50Fix.createRawTypeReferenceFix(context.getASTRoot(), problem);
    if (fix != null) {
        for (Iterator<ICommandAccess> iter = proposals.iterator(); iter.hasNext(); ) {
            Object element = iter.next();
            if (element instanceof FixCorrectionProposal) {
                FixCorrectionProposal fixProp = (FixCorrectionProposal) element;
                if (RAW_TYPE_REFERENCE_ID.equals(fixProp.getCommandId())) {
                    return;
                }
            }
        }
        Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
        Map<String, String> options = new Hashtable<String, String>();
        options.put(CleanUpConstants.VARIABLE_DECLARATION_USE_TYPE_ARGUMENTS_FOR_RAW_TYPE_REFERENCES, CleanUpOptions.TRUE);
        FixCorrectionProposal proposal = new FixCorrectionProposal(fix, new Java50CleanUp(options), IProposalRelevance.RAW_TYPE_REFERENCE, image, context);
        proposal.setCommandId(RAW_TYPE_REFERENCE_ID);
        proposals.add(proposal);
    }
    //Infer Generic Type Arguments... proposal
    boolean hasInferTypeArgumentsProposal = false;
    for (Iterator<ICommandAccess> iterator = proposals.iterator(); iterator.hasNext(); ) {
        Object completionProposal = iterator.next();
        if (completionProposal instanceof ChangeCorrectionProposal) {
            if (IJavaEditorActionDefinitionIds.INFER_TYPE_ARGUMENTS_ACTION.equals(((ChangeCorrectionProposal) completionProposal).getCommandId())) {
                hasInferTypeArgumentsProposal = true;
                break;
            }
        }
    }
    if (!hasInferTypeArgumentsProposal) {
        final ICompilationUnit cu = context.getCompilationUnit();
        ChangeCorrectionProposal proposal = new ChangeCorrectionProposal(CorrectionMessages.LocalCorrectionsSubProcessor_InferGenericTypeArguments, null, IProposalRelevance.INFER_GENERIC_TYPE_ARGUMENTS, JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE)) {

            @Override
            public void apply(IDocument document) {
                //							action.run(new StructuredSelection(cu));
                throw new UnsupportedOperationException();
            }

            @Override
            public String getActionId() {
                return "javaInferTypeArguments";
            }

            /**
						 * {@inheritDoc}
						 */
            @Override
            public Object getAdditionalProposalInfo(IProgressMonitor monitor) {
                return CorrectionMessages.LocalCorrectionsSubProcessor_InferGenericTypeArguments_description;
            }
        };
        proposal.setCommandId(IJavaEditorActionDefinitionIds.INFER_TYPE_ARGUMENTS_ACTION);
        proposals.add(proposal);
    }
    addTypeArgumentsFromContext(context, problem, proposals);
}