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

Example 6 with IDocument

use of org.eclipse.jface.text.IDocument 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 7 with IDocument

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

the class ReorgCorrectionsSubProcessor method removeImportStatementProposals.

public static void removeImportStatementProposals(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) {
    IProposableFix fix = UnusedCodeFix.createRemoveUnusedImportFix(context.getASTRoot(), problem);
    if (fix != null) {
        Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_DELETE_IMPORT);
        Map<String, String> options = new Hashtable<String, String>();
        options.put(CleanUpConstants.REMOVE_UNUSED_CODE_IMPORTS, CleanUpOptions.TRUE);
        FixCorrectionProposal proposal = new FixCorrectionProposal(fix, new UnusedCodeCleanUp(options), IProposalRelevance.REMOVE_UNUSED_IMPORT, image, context);
        proposals.add(proposal);
    }
    final ICompilationUnit cu = context.getCompilationUnit();
    String name = CorrectionMessages.ReorgCorrectionsSubProcessor_organizeimports_description;
    ChangeCorrectionProposal proposal = new ChangeCorrectionProposal(name, null, IProposalRelevance.ORGANIZE_IMPORTS, JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE)) {

        @Override
        public void apply(IDocument document) {
            //				}
            throw new UnsupportedOperationException("apply doesn't supported for action proposal");
        }

        @Override
        public String getActionId() {
            return "javaOrganizeImports";
        }
    };
    proposals.add(proposal);
}

Example 8 with IDocument

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

the class LocalCorrectionsSubProcessor method getInvalidOperatorProposals.

public static void getInvalidOperatorProposals(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) {
    CompilationUnit root = context.getASTRoot();
    AST ast = root.getAST();
    ASTNode selectedNode = problem.getCoveringNode(root);
    while (selectedNode instanceof ParenthesizedExpression) {
        selectedNode = ((ParenthesizedExpression) selectedNode).getExpression();
    }
    if (selectedNode instanceof PrefixExpression) {
        // !x instanceof X -> !(x instanceof X)
        PrefixExpression expression = (PrefixExpression) selectedNode;
        if (expression.getOperator() == PrefixExpression.Operator.NOT) {
            ASTNode parent = expression.getParent();
            String label = null;
            switch(parent.getNodeType()) {
                case ASTNode.INSTANCEOF_EXPRESSION:
                    label = CorrectionMessages.LocalCorrectionsSubProcessor_setparenteses_instanceof_description;
                    break;
                case ASTNode.INFIX_EXPRESSION:
                    InfixExpression infixExpression = (InfixExpression) parent;
                    label = Messages.format(CorrectionMessages.LocalCorrectionsSubProcessor_setparenteses_description, infixExpression.getOperator().toString());
                    break;
            }
            if (label != null) {
                ASTRewrite rewrite = ASTRewrite.create(ast);
                rewrite.replace(selectedNode, rewrite.createMoveTarget(expression.getOperand()), null);
                ParenthesizedExpression newParentExpr = ast.newParenthesizedExpression();
                newParentExpr.setExpression((Expression) rewrite.createMoveTarget(parent));
                PrefixExpression newPrefixExpr = ast.newPrefixExpression();
                newPrefixExpr.setOperand(newParentExpr);
                newPrefixExpr.setOperator(PrefixExpression.Operator.NOT);
                rewrite.replace(parent, newPrefixExpr, null);
                Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CAST);
                ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, context.getCompilationUnit(), rewrite, IProposalRelevance.INVALID_OPERATOR, image);
                proposals.add(proposal);
            }
        }
    } else if (selectedNode instanceof InfixExpression && isBitOperation((((InfixExpression) selectedNode).getOperator()))) {
        // a & b == c -> (a & b) == c
        final CompareInBitWiseOpFinder opFinder = new CompareInBitWiseOpFinder(selectedNode);
        if (opFinder.getCompareExpression() != null) {
            // compare operation inside bit operations: set parents
            String label = CorrectionMessages.LocalCorrectionsSubProcessor_setparenteses_bitop_description;
            Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CAST);
            CUCorrectionProposal proposal = new CUCorrectionProposal(label, context.getCompilationUnit(), IProposalRelevance.INVALID_OPERATOR, image) {

                @Override
                protected void addEdits(IDocument document, TextEdit edit) throws CoreException {
                    InfixExpression compareExpression = opFinder.getCompareExpression();
                    InfixExpression expression = opFinder.getParentInfixExpression();
                    ASTNode left = compareExpression.getLeftOperand();
                    if (expression.getStartPosition() < left.getStartPosition()) {
                        edit.addChild(new InsertEdit(expression.getStartPosition(), String.valueOf('(')));
                        edit.addChild(new InsertEdit(ASTNodes.getExclusiveEnd(left), String.valueOf(')')));
                    }
                    ASTNode rigth = compareExpression.getRightOperand();
                    int selEnd = ASTNodes.getExclusiveEnd(expression);
                    if (selEnd > ASTNodes.getExclusiveEnd(rigth)) {
                        edit.addChild(new InsertEdit(rigth.getStartPosition(), String.valueOf('(')));
                        edit.addChild(new InsertEdit(selEnd, String.valueOf(')')));
                    }
                }
            };
            proposals.add(proposal);
        }
    }
}

Example 9 with IDocument

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

the class CodeAssist method createOrganizeImportOperation.

private OrganizeImportResult createOrganizeImportOperation(ICompilationUnit compilationUnit, List<String> chosen) throws CoreException {
    CodeGenerationSettings settings = JavaPreferencesSettings.getCodeGenerationSettings(compilationUnit.getJavaProject());
    OrganizeImportsOperation operation = new OrganizeImportsOperation(compilationUnit, null, settings.importIgnoreLowercase, !compilationUnit.isWorkingCopy(), true, chosen, null);
    NullProgressMonitor monitor = new NullProgressMonitor();
    TextEdit edit = operation.createTextEdit(monitor);
    OrganizeImportResult result = DtoFactory.newDto(OrganizeImportResult.class);
    TypeNameMatch[][] choices = operation.getChoices();
    //or all conflicts were resolved (!chosen.isEmpty())
    if ((chosen != null && !chosen.isEmpty()) || choices == null || choices.length == 0) {
        IBuffer buffer = compilationUnit.getBuffer();
        IDocument document = new Document(buffer.getContents());
        DocumentChangeListener documentChangeListener = new DocumentChangeListener(document);
        try {
            edit.apply(document);
        } catch (BadLocationException e) {
            LOG.debug("Applying Organize import text edits goes wrong:", e);
        }
        result.setChanges(documentChangeListener.getChanges());
        return result;
    }
    result.setConflicts(createListOfDTOMatches(choices));
    return result;
}

Example 10 with IDocument

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

the class DocumentReader method handleDocumentAboutToBeChanged.

/**
	 * Copies the document prior to modification and removes the document listener.
	 */
private void handleDocumentAboutToBeChanged() {
    IDocument document = fDocument;
    if (fCharSequence == null || document == null)
        return;
    String content = document.get();
    synchronized (this) {
        if (fCharSequence == null)
            return;
        fCharSequence = content;
    }
    releaseDocument();
}