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

Example 6 with ITextFileBuffer

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

the class MultiStateTextFileChange method isValid.

/*
	 * @see org.eclipse.ltk.core.refactoring.Change#isValid(org.eclipse.core.runtime.IProgressMonitor)
	 */
public final RefactoringStatus isValid(IProgressMonitor monitor) throws CoreException, OperationCanceledException {
    if (monitor == null)
        monitor = new NullProgressMonitor();
    //$NON-NLS-1$
    monitor.beginTask("", 1);
    try {
        if (fValidationState == null)
            //$NON-NLS-1$
            throw new CoreException(new Status(IStatus.ERROR, RefactoringCorePlugin.getPluginId(), "MultiStateTextFileChange has not been initialialized"));
        final ITextFileBuffer buffer = FileBuffers.getTextFileBufferManager().getTextFileBuffer(fFile.getFullPath(), LocationKind.IFILE);
        fDirty = buffer != null && buffer.isDirty();
        final RefactoringStatus status = fValidationState.isValid(needsSaving());
        if (needsSaving()) {
            status.merge(Changes.validateModifiesFiles(new IFile[] { fFile }));
        } else {
            // we are reading the file. So it should be at least in sync
            status.merge(Changes.checkInSync(new IFile[] { fFile }));
        }
        return status;
    } finally {
        monitor.done();
    }
}

Example 7 with ITextFileBuffer

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

the class AbstractDeleteChange method saveFileIfNeeded.

protected 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();
}

Example 8 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 9 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 10 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));
    }
}