Examples with ITextFileBuffer org.eclipse.core.filebuffers.ITextFileBuffer used on opensource projects

Example 1 with ITextFileBuffer

use of org.eclipse.core.filebuffers.ITextFileBuffer in project che by eclipse.

the class TextSearchVisitor method getOpenDocument.

private IDocument getOpenDocument(IFile file, Map documentsInEditors) {
    IDocument document = (IDocument) documentsInEditors.get(file);
    if (document == null) {
        ITextFileBufferManager bufferManager = FileBuffers.getTextFileBufferManager();
        ITextFileBuffer textFileBuffer = bufferManager.getTextFileBuffer(file.getFullPath(), LocationKind.IFILE);
        if (textFileBuffer != null) {
            document = textFileBuffer.getDocument();
        }
    }
    return document;
}

Example 2 with ITextFileBuffer

use of org.eclipse.core.filebuffers.ITextFileBuffer in project che by eclipse.

the class ResourceChange method getModificationStamp.

private long getModificationStamp(IResource resource) {
    if (!(resource instanceof IFile))
        return resource.getModificationStamp();
    IFile file = (IFile) resource;
    ITextFileBuffer buffer = getBuffer(file);
    if (buffer == null) {
        return file.getModificationStamp();
    } else {
        IDocument document = buffer.getDocument();
        if (document instanceof IDocumentExtension4) {
            return ((IDocumentExtension4) document).getModificationStamp();
        } else {
            return file.getModificationStamp();
        }
    }
}

Example 3 with ITextFileBuffer

use of org.eclipse.core.filebuffers.ITextFileBuffer in project che by eclipse.

the class MultiStateUndoChange method isValid.

/**
	 * {@inheritDoc}
	 */
public RefactoringStatus isValid(IProgressMonitor pm) throws CoreException {
    if (pm == null)
        pm = new NullProgressMonitor();
    //$NON-NLS-1$
    pm.beginTask("", 1);
    try {
        if (fValidationState == null)
            //$NON-NLS-1$
            throw new CoreException(new Status(IStatus.ERROR, RefactoringCorePlugin.getPluginId(), "MultiStateUndoChange has not been initialialized"));
        ITextFileBuffer buffer = FileBuffers.getTextFileBufferManager().getTextFileBuffer(fFile.getFullPath(), LocationKind.IFILE);
        fDirty = buffer != null && buffer.isDirty();
        return fValidationState.isValid(needsSaving(), true);
    } finally {
        pm.done();
    }
}

Example 4 with ITextFileBuffer

use of org.eclipse.core.filebuffers.ITextFileBuffer in project che by eclipse.

the class MultiStateUndoChange method perform.

/**
	 * {@inheritDoc}
	 */
public Change perform(IProgressMonitor pm) throws CoreException {
    if (fValidationState == null || fValidationState.isValid(needsSaving(), false).hasFatalError())
        return new NullChange();
    if (pm == null)
        pm = new NullProgressMonitor();
    ITextFileBufferManager manager = FileBuffers.getTextFileBufferManager();
    //$NON-NLS-1$
    pm.beginTask("", 2);
    ITextFileBuffer buffer = null;
    try {
        manager.connect(fFile.getFullPath(), LocationKind.IFILE, new SubProgressMonitor(pm, 1));
        buffer = manager.getTextFileBuffer(fFile.getFullPath(), LocationKind.IFILE);
        IDocument document = buffer.getDocument();
        ContentStamp currentStamp = ContentStamps.get(fFile, document);
        // perform the changes
        LinkedList list = new LinkedList();
        for (int index = 0; index < fUndos.length; index++) {
            UndoEdit edit = fUndos[index];
            UndoEdit redo = edit.apply(document, TextEdit.CREATE_UNDO);
            list.addFirst(redo);
        }
        // try to restore the document content stamp
        boolean success = ContentStamps.set(document, fContentStampToRestore);
        if (needsSaving()) {
            buffer.commit(pm, false);
            if (!success) {
                // We weren't able to restore document stamp.
                // Since we save restore the file stamp instead
                ContentStamps.set(fFile, fContentStampToRestore);
            }
        }
        return createUndoChange((UndoEdit[]) list.toArray(new UndoEdit[list.size()]), currentStamp);
    } catch (BadLocationException e) {
        throw Changes.asCoreException(e);
    } finally {
        if (buffer != null)
            manager.disconnect(fFile.getFullPath(), LocationKind.IFILE, new SubProgressMonitor(pm, 1));
    }
}

Example 5 with ITextFileBuffer

use of org.eclipse.core.filebuffers.ITextFileBuffer in project che by eclipse.

the class SourceProvider method replaceParameterWithExpression.

private void replaceParameterWithExpression(ASTRewrite rewriter, CallContext context, ImportRewrite importRewrite) throws CoreException {
    Expression[] arguments = context.arguments;
    try {
        ITextFileBuffer buffer = RefactoringFileBuffers.acquire(context.compilationUnit);
        for (int i = 0; i < arguments.length; i++) {
            Expression expression = arguments[i];
            String expressionString = null;
            if (expression instanceof SimpleName) {
                expressionString = ((SimpleName) expression).getIdentifier();
            } else {
                try {
                    expressionString = buffer.getDocument().get(expression.getStartPosition(), expression.getLength());
                } catch (BadLocationException exception) {
                    JavaPlugin.log(exception);
                    continue;
                }
            }
            ParameterData parameter = getParameterData(i);
            List<SimpleName> references = parameter.references();
            for (Iterator<SimpleName> iter = references.iterator(); iter.hasNext(); ) {
                ASTNode element = iter.next();
                Expression newExpression = (Expression) rewriter.createStringPlaceholder(expressionString, expression.getNodeType());
                AST ast = rewriter.getAST();
                ITypeBinding explicitCast = ASTNodes.getExplicitCast(expression, (Expression) element);
                if (explicitCast != null) {
                    CastExpression cast = ast.newCastExpression();
                    if (NecessaryParenthesesChecker.needsParentheses(expression, cast, CastExpression.EXPRESSION_PROPERTY)) {
                        newExpression = createParenthesizedExpression(newExpression, ast);
                    }
                    cast.setExpression(newExpression);
                    ImportRewriteContext importRewriteContext = new ContextSensitiveImportRewriteContext(expression, importRewrite);
                    cast.setType(importRewrite.addImport(explicitCast, ast, importRewriteContext));
                    expression = newExpression = cast;
                }
                if (NecessaryParenthesesChecker.needsParentheses(expression, element.getParent(), element.getLocationInParent())) {
                    newExpression = createParenthesizedExpression(newExpression, ast);
                }
                rewriter.replace(element, newExpression, null);
            }
        }
    } finally {
        RefactoringFileBuffers.release(context.compilationUnit);
    }
}