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

Example 16 with ITextFileBuffer

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

the class CodeRefactoringUtil method getIndentationLevel.

public static int getIndentationLevel(ASTNode node, ICompilationUnit unit) throws CoreException {
    IPath fullPath = unit.getCorrespondingResource().getFullPath();
    try {
        FileBuffers.getTextFileBufferManager().connect(fullPath, LocationKind.IFILE, new NullProgressMonitor());
        ITextFileBuffer buffer = FileBuffers.getTextFileBufferManager().getTextFileBuffer(fullPath, LocationKind.IFILE);
        try {
            IRegion region = buffer.getDocument().getLineInformationOfOffset(node.getStartPosition());
            return Strings.computeIndentUnits(buffer.getDocument().get(region.getOffset(), region.getLength()), unit.getJavaProject());
        } catch (BadLocationException exception) {
            JavaPlugin.log(exception);
        }
        return 0;
    } finally {
        FileBuffers.getTextFileBufferManager().disconnect(fullPath, LocationKind.IFILE, new NullProgressMonitor());
    }
}

Example 17 with ITextFileBuffer

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

the class DeleteResourceChange method saveFileIfNeeded.

private static void saveFileIfNeeded(IFile file, IProgressMonitor pm) throws CoreException {
    ITextFileBuffer buffer = FileBuffers.getTextFileBufferManager().getTextFileBuffer(file.getFullPath(), LocationKind.IFILE);
    if (buffer != null && buffer.isDirty() && buffer.isStateValidated() && buffer.isSynchronized()) {
        //$NON-NLS-1$
        pm.beginTask("", 2);
        buffer.commit(new SubProgressMonitor(pm, 1), false);
        file.refreshLocal(IResource.DEPTH_ONE, new SubProgressMonitor(pm, 1));
        pm.done();
    } else {
        //$NON-NLS-1$
        pm.beginTask("", 1);
        pm.worked(1);
        pm.done();
    }
}

Example 18 with ITextFileBuffer

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

the class UndoTextFileChange 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(), "UndoTextFileChange 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 19 with ITextFileBuffer

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

the class UndoTextFileChange method perform.

/**
	 * {@inheritDoc}
	 */
public Change perform(IProgressMonitor pm) throws CoreException {
    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);
        boolean[] setContentStampSuccess = { false };
        UndoEdit redo = performEdits(buffer, document, setContentStampSuccess);
        if (needsSaving()) {
            buffer.commit(pm, false);
            if (!setContentStampSuccess[0]) {
                // We weren't able to restore document stamp.
                // Since we save restore the file stamp instead
                ContentStamps.set(fFile, fContentStampToRestore);
            }
        }
        return createUndoChange(redo, currentStamp);
    } catch (BadLocationException e) {
        if (fValidationState == null || !fValidationState.wasDerived())
            throw Changes.asCoreException(e);
        else
            return new NullChange();
    } catch (MalformedTreeException e) {
        if (fValidationState == null || !fValidationState.wasDerived())
            throw Changes.asCoreException(e);
        else
            return new NullChange();
    } catch (CoreException e) {
        if (fValidationState == null || !fValidationState.wasDerived())
            throw e;
        else
            return new NullChange();
    } finally {
        if (buffer != null)
            manager.disconnect(fFile.getFullPath(), LocationKind.IFILE, new SubProgressMonitor(pm, 1));
    }
}

Example 20 with ITextFileBuffer

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

the class ModificationStampValidationState method getBuffer.

protected static ITextFileBuffer getBuffer(IFile file) {
    ITextFileBufferManager manager = FileBuffers.getTextFileBufferManager();
    IPath path = file.getFullPath();
    ITextFileBuffer buffer = manager.getTextFileBuffer(path, LocationKind.IFILE);
    return buffer;
}