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

Example 11 with MultiTextEdit

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

the class TextEditUtil method flatten.

private static void flatten(TextEdit edit, MultiTextEdit result) {
    if (!edit.hasChildren()) {
        result.addChild(edit);
    } else {
        TextEdit[] children = edit.getChildren();
        for (int i = 0; i < children.length; i++) {
            TextEdit child = children[i];
            child.getParent().removeChild(0);
            flatten(child, result);
        }
    }
}

Example 12 with MultiTextEdit

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

the class TextEditUtil method merge.

private static void merge(TextEdit edit1, TextEdit edit2, MultiTextEdit result) {
    if (edit1 instanceof MultiTextEdit && edit2 instanceof MultiTextEdit) {
        MultiTextEdit multiTextEdit1 = (MultiTextEdit) edit1;
        if (!multiTextEdit1.hasChildren()) {
            result.addChild(edit2);
            return;
        }
        MultiTextEdit multiTextEdit2 = (MultiTextEdit) edit2;
        if (!multiTextEdit2.hasChildren()) {
            result.addChild(edit1);
            return;
        }
        TextEdit[] children1 = multiTextEdit1.getChildren();
        TextEdit[] children2 = multiTextEdit2.getChildren();
        int i1 = 0;
        int i2 = 0;
        while (i1 < children1.length && i2 < children2.length) {
            while (i1 < children1.length && children1[i1].getExclusiveEnd() < children2[i2].getOffset()) {
                edit1.removeChild(0);
                result.addChild(children1[i1]);
                i1++;
            }
            if (i1 >= children1.length)
                break;
            while (i2 < children2.length && children2[i2].getExclusiveEnd() < children1[i1].getOffset()) {
                edit2.removeChild(0);
                result.addChild(children2[i2]);
                i2++;
            }
            if (i2 >= children2.length)
                break;
            if (children1[i1].getExclusiveEnd() < children2[i2].getOffset())
                continue;
            edit1.removeChild(0);
            edit2.removeChild(0);
            merge(children1[i1], children2[i2], result);
            i1++;
            i2++;
        }
        while (i1 < children1.length) {
            edit1.removeChild(0);
            result.addChild(children1[i1]);
            i1++;
        }
        while (i2 < children2.length) {
            edit2.removeChild(0);
            result.addChild(children2[i2]);
            i2++;
        }
    } else if (edit1 instanceof MultiTextEdit) {
        TextEdit[] children = edit1.getChildren();
        int i = 0;
        while (children[i].getExclusiveEnd() < edit2.getOffset()) {
            edit1.removeChild(0);
            result.addChild(children[i]);
            i++;
            if (i >= children.length) {
                result.addChild(edit2);
                return;
            }
        }
        edit1.removeChild(0);
        merge(children[i], edit2, result);
        i++;
        while (i < children.length) {
            edit1.removeChild(0);
            result.addChild(children[i]);
            i++;
        }
    } else if (edit2 instanceof MultiTextEdit) {
        TextEdit[] children = edit2.getChildren();
        int i = 0;
        while (children[i].getExclusiveEnd() < edit1.getOffset()) {
            edit2.removeChild(0);
            result.addChild(children[i]);
            i++;
            if (i >= children.length) {
                result.addChild(edit1);
                return;
            }
        }
        edit2.removeChild(0);
        merge(edit1, children[i], result);
        i++;
        while (i < children.length) {
            edit2.removeChild(0);
            result.addChild(children[i]);
            i++;
        }
    } else {
        if (edit1.getExclusiveEnd() < edit2.getOffset()) {
            result.addChild(edit1);
            result.addChild(edit2);
        } else {
            result.addChild(edit2);
            result.addChild(edit1);
        }
    }
}

Example 13 with MultiTextEdit

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

the class ExtractMethodRefactoring method createChange.

/* (non-Javadoc)
	 * Method declared in IRefactoring
	 */
@Override
public Change createChange(IProgressMonitor pm) throws CoreException {
    if (fMethodName == null)
        return null;
    //$NON-NLS-1$
    pm.beginTask("", 2);
    try {
        fAnalyzer.aboutToCreateChange();
        BodyDeclaration declaration = fAnalyzer.getEnclosingBodyDeclaration();
        fRewriter = ASTRewrite.create(declaration.getAST());
        final CompilationUnitChange result = new CompilationUnitChange(RefactoringCoreMessages.ExtractMethodRefactoring_change_name, fCUnit);
        result.setSaveMode(TextFileChange.KEEP_SAVE_STATE);
        result.setDescriptor(new RefactoringChangeDescriptor(getRefactoringDescriptor()));
        MultiTextEdit root = new MultiTextEdit();
        result.setEdit(root);
        ASTNode[] selectedNodes = fAnalyzer.getSelectedNodes();
        fRewriter.setTargetSourceRangeComputer(new SelectionAwareSourceRangeComputer(selectedNodes, fCUnit.getBuffer(), fSelectionStart, fSelectionLength));
        TextEditGroup substituteDesc = new TextEditGroup(Messages.format(RefactoringCoreMessages.ExtractMethodRefactoring_substitute_with_call, BasicElementLabels.getJavaElementName(fMethodName)));
        result.addTextEditGroup(substituteDesc);
        MethodDeclaration mm = createNewMethod(selectedNodes, fCUnit.findRecommendedLineSeparator(), substituteDesc);
        if (fLinkedProposalModel != null) {
            LinkedProposalPositionGroup typeGroup = fLinkedProposalModel.getPositionGroup(KEY_TYPE, true);
            typeGroup.addPosition(fRewriter.track(mm.getReturnType2()), false);
            ITypeBinding typeBinding = fAnalyzer.getReturnTypeBinding();
            if (typeBinding != null) {
                ITypeBinding[] relaxingTypes = ASTResolving.getNarrowingTypes(fAST, typeBinding);
                for (int i = 0; i < relaxingTypes.length; i++) {
                    typeGroup.addProposal(relaxingTypes[i], fCUnit, relaxingTypes.length - i);
                }
            }
            LinkedProposalPositionGroup nameGroup = fLinkedProposalModel.getPositionGroup(KEY_NAME, true);
            nameGroup.addPosition(fRewriter.track(mm.getName()), false);
            ModifierCorrectionSubProcessor.installLinkedVisibilityProposals(fLinkedProposalModel, fRewriter, mm.modifiers(), false);
        }
        TextEditGroup insertDesc = new TextEditGroup(Messages.format(RefactoringCoreMessages.ExtractMethodRefactoring_add_method, BasicElementLabels.getJavaElementName(fMethodName)));
        result.addTextEditGroup(insertDesc);
        if (fDestination == ASTResolving.findParentType(declaration.getParent())) {
            ChildListPropertyDescriptor desc = (ChildListPropertyDescriptor) declaration.getLocationInParent();
            ListRewrite container = fRewriter.getListRewrite(declaration.getParent(), desc);
            container.insertAfter(mm, declaration, insertDesc);
        } else {
            BodyDeclarationRewrite container = BodyDeclarationRewrite.create(fRewriter, fDestination);
            container.insert(mm, insertDesc);
        }
        replaceDuplicates(result, mm.getModifiers());
        replaceBranches(result);
        if (fImportRewriter.hasRecordedChanges()) {
            TextEdit edit = fImportRewriter.rewriteImports(null);
            root.addChild(edit);
            result.addTextEditGroup(new TextEditGroup(RefactoringCoreMessages.ExtractMethodRefactoring_organize_imports, new TextEdit[] { edit }));
        }
        root.addChild(fRewriter.rewriteAST());
        return result;
    } finally {
        pm.done();
    }
}

Example 14 with MultiTextEdit

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

the class IntroduceFactoryRefactoring method addAllChangesFor.

/**
	 * Add all changes necessary on the <code>ICompilationUnit</code> in the given
	 * <code>SearchResultGroup</code> to implement the refactoring transformation
	 * to the given <code>CompilationUnitChange</code>.
	 * @param rg the <code>SearchResultGroup</code> for which changes should be created
	 * @param unitHandle
	 * @param unitChange the CompilationUnitChange object for the compilation unit in question
	 * @return <code>true</code> iff a change has been added
	 * @throws CoreException
	 */
private boolean addAllChangesFor(SearchResultGroup rg, ICompilationUnit unitHandle, CompilationUnitChange unitChange) throws CoreException {
    //		ICompilationUnit	unitHandle= rg.getCompilationUnit();
    Assert.isTrue(rg == null || rg.getCompilationUnit() == unitHandle);
    CompilationUnit unit = getASTFor(unitHandle);
    ASTRewrite unitRewriter = ASTRewrite.create(unit.getAST());
    MultiTextEdit root = new MultiTextEdit();
    boolean someChange = false;
    unitChange.setEdit(root);
    fImportRewriter = StubUtility.createImportRewrite(unit, true);
    // First create the factory method
    if (unitHandle.equals(fFactoryUnitHandle)) {
        TextEditGroup factoryGD = new TextEditGroup(RefactoringCoreMessages.IntroduceFactory_addFactoryMethod);
        createFactoryChange(unitRewriter, unit, factoryGD);
        unitChange.addTextEditGroup(factoryGD);
        someChange = true;
    }
    // Now rewrite all the constructor calls to use the factory method
    if (rg != null)
        if (replaceConstructorCalls(rg, unit, unitRewriter, unitChange))
            someChange = true;
    // Finally, make the constructor private, if requested.
    if (shouldProtectConstructor() && isConstructorUnit(unitHandle)) {
        TextEditGroup declGD = new TextEditGroup(RefactoringCoreMessages.IntroduceFactory_protectConstructor);
        if (protectConstructor(unit, unitRewriter, declGD)) {
            unitChange.addTextEditGroup(declGD);
            someChange = true;
        }
    }
    if (someChange) {
        root.addChild(unitRewriter.rewriteAST());
        root.addChild(fImportRewriter.rewriteImports(null));
    }
    return someChange;
}

Example 15 with MultiTextEdit

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

the class InlineMethodRefactoring method checkFinalConditions.

@Override
public RefactoringStatus checkFinalConditions(IProgressMonitor pm) throws CoreException {
    //$NON-NLS-1$
    pm.beginTask("", 20);
    fChangeManager = new TextChangeManager();
    RefactoringStatus result = new RefactoringStatus();
    fSourceProvider.initialize();
    fTargetProvider.initialize();
    pm.setTaskName(RefactoringCoreMessages.InlineMethodRefactoring_searching);
    RefactoringStatus searchStatus = new RefactoringStatus();
    String binaryRefsDescription = Messages.format(RefactoringCoreMessages.ReferencesInBinaryContext_ref_in_binaries_description, BasicElementLabels.getJavaElementName(fSourceProvider.getMethodName()));
    ReferencesInBinaryContext binaryRefs = new ReferencesInBinaryContext(binaryRefsDescription);
    ICompilationUnit[] units = fTargetProvider.getAffectedCompilationUnits(searchStatus, binaryRefs, new SubProgressMonitor(pm, 1));
    binaryRefs.addErrorIfNecessary(searchStatus);
    if (searchStatus.hasFatalError()) {
        result.merge(searchStatus);
        return result;
    }
    IFile[] filesToBeModified = getFilesToBeModified(units);
    result.merge(Checks.validateModifiesFiles(filesToBeModified, getValidationContext()));
    if (result.hasFatalError())
        return result;
    result.merge(ResourceChangeChecker.checkFilesToBeChanged(filesToBeModified, new SubProgressMonitor(pm, 1)));
    checkOverridden(result, new SubProgressMonitor(pm, 4));
    IProgressMonitor sub = new SubProgressMonitor(pm, 15);
    //$NON-NLS-1$
    sub.beginTask("", units.length * 3);
    for (int c = 0; c < units.length; c++) {
        ICompilationUnit unit = units[c];
        sub.subTask(Messages.format(RefactoringCoreMessages.InlineMethodRefactoring_processing, BasicElementLabels.getFileName(unit)));
        CallInliner inliner = null;
        try {
            boolean added = false;
            MultiTextEdit root = new MultiTextEdit();
            CompilationUnitChange change = (CompilationUnitChange) fChangeManager.get(unit);
            change.setEdit(root);
            BodyDeclaration[] bodies = fTargetProvider.getAffectedBodyDeclarations(unit, new SubProgressMonitor(pm, 1));
            if (bodies.length == 0)
                continue;
            inliner = new CallInliner(unit, (CompilationUnit) bodies[0].getRoot(), fSourceProvider);
            for (int b = 0; b < bodies.length; b++) {
                BodyDeclaration body = bodies[b];
                inliner.initialize(body);
                RefactoringStatus nestedInvocations = new RefactoringStatus();
                ASTNode[] invocations = removeNestedCalls(nestedInvocations, unit, fTargetProvider.getInvocations(body, new SubProgressMonitor(sub, 2)));
                for (int i = 0; i < invocations.length; i++) {
                    ASTNode invocation = invocations[i];
                    result.merge(inliner.initialize(invocation, fTargetProvider.getStatusSeverity()));
                    if (result.hasFatalError())
                        break;
                    if (result.getSeverity() < fTargetProvider.getStatusSeverity()) {
                        added = true;
                        TextEditGroup group = new TextEditGroup(RefactoringCoreMessages.InlineMethodRefactoring_edit_inline);
                        change.addTextEditGroup(group);
                        result.merge(inliner.perform(group));
                    } else {
                        fDeleteSource = false;
                    }
                }
                // to generate the modifications.
                if (!nestedInvocations.isOK()) {
                    result.merge(nestedInvocations);
                    fDeleteSource = false;
                }
            }
            if (!added) {
                fChangeManager.remove(unit);
            } else {
                root.addChild(inliner.getModifications());
                ImportRewrite rewrite = inliner.getImportEdit();
                if (rewrite.hasRecordedChanges()) {
                    TextEdit edit = rewrite.rewriteImports(null);
                    if (edit instanceof MultiTextEdit ? ((MultiTextEdit) edit).getChildrenSize() > 0 : true) {
                        root.addChild(edit);
                        change.addTextEditGroup(new TextEditGroup(RefactoringCoreMessages.InlineMethodRefactoring_edit_import, new TextEdit[] { edit }));
                    }
                }
            }
        } finally {
            if (inliner != null)
                inliner.dispose();
        }
        sub.worked(1);
        if (sub.isCanceled())
            throw new OperationCanceledException();
    }
    result.merge(searchStatus);
    sub.done();
    pm.done();
    return result;
}