cxTreeNode.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

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   this list of conditions and the following disclaimer.

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   and/or other materials provided with the distribution.

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   may be used to endorse or promote products derived from this software
   without specific prior written permission.

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#include "cxTreeNode.h"


namespace cx
{

CachedTreeNode::CachedTreeNode(TreeNodePtr base) : mBase(base)
{
        connect(mBase.get(), &TreeNode::changed, this, &CachedTreeNode::clearCache);
        connect(mBase.get(), &TreeNode::changed, this, &TreeNode::changed);
}

void CachedTreeNode::clearCache()
{
        mUid = QString();
        mType = QString();
        mVisibleParent.reset();
}

QString CachedTreeNode::getUid() const
{
        if (mUid.isEmpty())
                mUid = mBase->getUid();
        return mUid;
}

QString CachedTreeNode::getType() const
{
        if (mType.isEmpty())
                mType = mBase->getType();
        return mType;
}

std::vector<TreeNodePtr> CachedTreeNode::getVisibleChildren() const
{
        return mBase->getVisibleChildren();
}

TreeNodePtr CachedTreeNode::getVisibleParent() const
{
        return mBase->getVisibleParent();
//      if (!mVisibleParent.lock())
//              mVisibleParent = mBase->getVisibleParent();
//      return mVisibleParent.lock();
}


} // namespace cx