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

Example 31 with ASTRewriteCorrectionProposal

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

the class QuickAssistProcessor method getChangeLambdaBodyToExpressionProposal.

private static boolean getChangeLambdaBodyToExpressionProposal(IInvocationContext context, ASTNode covering, Collection<ICommandAccess> resultingCollections) {
    LambdaExpression lambda;
    if (covering instanceof LambdaExpression) {
        lambda = (LambdaExpression) covering;
    } else if (covering.getLocationInParent() == LambdaExpression.BODY_PROPERTY) {
        lambda = (LambdaExpression) covering.getParent();
    } else {
        return false;
    }
    if (!(lambda.getBody() instanceof Block))
        return false;
    Block lambdaBody = (Block) lambda.getBody();
    if (lambdaBody.statements().size() != 1)
        return false;
    Expression exprBody;
    Statement singleStatement = (Statement) lambdaBody.statements().get(0);
    if (singleStatement instanceof ReturnStatement) {
        Expression returnExpr = ((ReturnStatement) singleStatement).getExpression();
        if (returnExpr == null)
            return false;
        exprBody = returnExpr;
    } else if (singleStatement instanceof ExpressionStatement) {
        Expression expression = ((ExpressionStatement) singleStatement).getExpression();
        if (isValidExpressionBody(expression)) {
            exprBody = expression;
        } else {
            return false;
        }
    } else {
        return false;
    }
    if (resultingCollections == null)
        return true;
    AST ast = lambda.getAST();
    ASTRewrite rewrite = ASTRewrite.create(ast);
    Expression movedBody = (Expression) rewrite.createMoveTarget(exprBody);
    rewrite.set(lambda, LambdaExpression.BODY_PROPERTY, movedBody, null);
    // add proposal
    String label = CorrectionMessages.QuickAssistProcessor_change_lambda_body_to_expression;
    Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
    ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, context.getCompilationUnit(), rewrite, IProposalRelevance.CHANGE_LAMBDA_BODY_TO_EXPRESSION, image);
    resultingCollections.add(proposal);
    return true;
}

Example 32 with ASTRewriteCorrectionProposal

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

the class GetterSetterCorrectionSubProcessor method addGetterProposal.

/**
	 * Proposes a getter for this field.
	 * 
	 * @param context the proposal parameter
	 * @param relevance relevance of this proposal
	 * @return the proposal if available or null
	 */
private static ChangeCorrectionProposal addGetterProposal(ProposalParameter context, int relevance) {
    IMethodBinding method = findGetter(context);
    if (method != null) {
        Expression mi = createMethodInvocation(context, method, null);
        context.astRewrite.replace(context.accessNode, mi, null);
        String label = Messages.format(CorrectionMessages.GetterSetterCorrectionSubProcessor_replacewithgetter_description, BasicElementLabels.getJavaCodeString(ASTNodes.asString(context.accessNode)));
        Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
        ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, context.compilationUnit, context.astRewrite, relevance, image);
        return proposal;
    } else {
    //			IJavaElement element= context.variableBinding.getJavaElement();
    //			if (element instanceof IField) {
    //				IField field= (IField) element;
    //				try {
    //					if (RefactoringAvailabilityTester.isSelfEncapsulateAvailable(field))
    //						return new SelfEncapsulateFieldProposal(relevance, field);
    //				} catch (JavaModelException e) {
    //					JavaPlugin.log(e);
    //				}
    //			}
    }
    return null;
}

Example 33 with ASTRewriteCorrectionProposal

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

the class LocalCorrectionsSubProcessor method createNoSideEffectProposal.

private static ASTRewriteCorrectionProposal createNoSideEffectProposal(IInvocationContext context, SimpleName nodeToQualify, IVariableBinding fieldBinding, String label, int relevance) {
    AST ast = nodeToQualify.getAST();
    Expression qualifier;
    if (Modifier.isStatic(fieldBinding.getModifiers())) {
        ITypeBinding declaringClass = fieldBinding.getDeclaringClass();
        qualifier = ast.newSimpleName(declaringClass.getTypeDeclaration().getName());
    } else {
        qualifier = ast.newThisExpression();
    }
    ASTRewrite rewrite = ASTRewrite.create(ast);
    FieldAccess access = ast.newFieldAccess();
    access.setName((SimpleName) rewrite.createCopyTarget(nodeToQualify));
    access.setExpression(qualifier);
    rewrite.replace(nodeToQualify, access, null);
    Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
    return new ASTRewriteCorrectionProposal(label, context.getCompilationUnit(), rewrite, relevance, image);
}

Example 34 with ASTRewriteCorrectionProposal

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

the class LocalCorrectionsSubProcessor method addRemoveProposal.

private static void addRemoveProposal(IInvocationContext context, ASTRewrite rewrite, String label, Collection<ICommandAccess> proposals) {
    //JavaPlugin.getDefault().getWorkbench().getSharedImages().getImage(ISharedImages.IMG_TOOL_DELETE);
    Image image = JavaPluginImages.get(JavaPluginImages.IMG_TOOL_DELETE);
    ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, context.getCompilationUnit(), rewrite, 10, image);
    proposals.add(proposal);
}

Example 35 with ASTRewriteCorrectionProposal

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

the class ReturnTypeQuickFixTest method testReturnTypeMissingWithArrayType.

@Test
public void testReturnTypeMissingWithArrayType() throws Exception {
    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    public foo() {\n");
    buf.append("        return new int[][] { { 1, 2 }, { 2, 3 } };\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null);
    CompilationUnit astRoot = getASTRoot(cu);
    ArrayList proposals = collectCorrections(cu, astRoot);
    assertNumberOfProposals(proposals, 2);
    assertCorrectLabels(proposals);
    boolean addReturnType = true, doRename = true;
    for (int i = 0; i < proposals.size(); i++) {
        Object elem = proposals.get(i);
        if (elem instanceof ASTRewriteCorrectionProposal) {
            ASTRewriteCorrectionProposal proposal = (ASTRewriteCorrectionProposal) elem;
            assertTrue("duplicated entries", addReturnType);
            addReturnType = false;
            String preview = getPreviewContent(proposal);
            buf = new StringBuffer();
            buf.append("package test1;\n");
            buf.append("public class E {\n");
            buf.append("    public int[][] foo() {\n");
            buf.append("        return new int[][] { { 1, 2 }, { 2, 3 } };\n");
            buf.append("    }\n");
            buf.append("}\n");
            assertEqualString(preview, buf.toString());
        } else {
            assertTrue("duplicated entries", doRename);
            doRename = false;
            CUCorrectionProposal proposal = (CUCorrectionProposal) elem;
            String preview = getPreviewContent(proposal);
            buf = new StringBuffer();
            buf.append("package test1;\n");
            buf.append("public class E {\n");
            buf.append("    public E() {\n");
            buf.append("        return new int[][] { { 1, 2 }, { 2, 3 } };\n");
            buf.append("    }\n");
            buf.append("}\n");
            assertEqualString(preview, buf.toString());
        }
    }
}