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/*!
@file
@author Pavel Turin
@date 08/2009
*/
#ifndef GENERIC_NODE_H_
#define GENERIC_NODE_H_
namespace MyGUI
{
template<class NODE, class OWNER>
class GenericNode
{
public:
typedef std::vector<NODE*> VectorGenericNodePtr;
GenericNode();
GenericNode(OWNER* pOwner);
GenericNode(const UString& strText, NODE* pParent = nullptr);
virtual ~GenericNode();
void add(NODE* pNode);
void remove(NODE* pNode, bool bDelete = true);
void removeAll(bool bDelete = true);
bool hasAncestor(const NODE* pNode) const;
bool hasDescendant(const NODE* pNode) const;
bool hasChildren() const;
const VectorGenericNodePtr& getChildren() const;
VectorGenericNodePtr& getChildren();
NODE* getParent() const;
const UString& getText() const;
void setText(const UString& strText);
OWNER* getOwner() const;
void setOwner(OWNER* pOwner);
void invalidate();
protected:
NODE* mpParent;
VectorGenericNodePtr mChildren;
UString mstrText;
OWNER* mpOwner;
};
template<class NODE, class OWNER>
GenericNode<NODE, OWNER>::GenericNode(OWNER* pOwner) :
mpParent(nullptr),
mstrText("[ROOT]"),
mpOwner(pOwner)
{
MYGUI_DEBUG_ASSERT(mpOwner, "GenericNode<NODE, OWNER>::GenericNode pOwner is nullptr");
}
template<class NODE, class OWNER>
GenericNode<NODE, OWNER>::GenericNode(const UString& strText, NODE* pParent) :
mpParent(pParent),
mstrText(strText)
{
if (pParent)
{
mpOwner = pParent->mpOwner;
pParent->mChildren.push_back(static_cast<NODE*>(this));
invalidate();
}
else
mpOwner = nullptr;
}
template<class NODE, class OWNER>
GenericNode<NODE, OWNER>::~GenericNode()
{
if (mpParent)
mpParent->remove(static_cast<NODE*>(this), false);
while (!mChildren.empty())
{
NODE* pChild = mChildren.back();
mChildren.pop_back();
pChild->mpParent = nullptr;
delete pChild;
}
invalidate();
}
template<class NODE, class OWNER>
void GenericNode<NODE, OWNER>::setText(const UString& strText)
{
mstrText = strText;
invalidate();
}
template<class NODE, class OWNER>
void GenericNode<NODE, OWNER>::setOwner(OWNER* pOwner)
{
mpOwner = pOwner;
for (typename VectorGenericNodePtr::iterator Iterator = mChildren.begin(); Iterator != mChildren.end(); ++Iterator)
(*Iterator)->setOwner(pOwner);
}
template<class NODE, class OWNER>
bool GenericNode<NODE, OWNER>::hasAncestor(const NODE* pNode) const
{
return (mpParent == pNode || (mpParent && mpParent->hasAncestor(pNode)));
}
template<class NODE, class OWNER>
bool GenericNode<NODE, OWNER>::hasDescendant(const NODE* pNode) const
{
for (typename VectorGenericNodePtr::const_iterator Iterator = mChildren.begin(); Iterator != mChildren.end(); ++Iterator)
{
if (*Iterator == pNode || (*Iterator)->hasDescendant(pNode))
return true;
}
return false;
}
template<class NODE, class OWNER>
void GenericNode<NODE, OWNER>::add(NODE* pNode)
{
MYGUI_DEBUG_ASSERT(pNode, "GenericNode<NODE, OWNER>::add pNode is nullptr");
if (pNode->mpParent)
pNode->mpParent->remove(pNode, false);
pNode->mpParent = static_cast<NODE*>(this);
pNode->setOwner(mpOwner);
mChildren.push_back(pNode);
invalidate();
}
template<class NODE, class OWNER>
void GenericNode<NODE, OWNER>::remove(NODE* pNode, bool bDelete)
{
MYGUI_DEBUG_ASSERT(pNode, "GenericNode<NODE, OWNER>::remove pNode is nullptr");
for (typename VectorGenericNodePtr::iterator Iterator = mChildren.begin(); Iterator != mChildren.end(); ++Iterator)
{
if (*Iterator != pNode)
continue;
mChildren.erase(Iterator);
pNode->mpParent = nullptr;
if (bDelete)
delete pNode;
invalidate();
return;
}
MYGUI_DEBUG_ASSERT(pNode, "GenericNode<NODE, OWNER>::remove pNode not child");
}
template<class NODE, class OWNER>
void GenericNode<NODE, OWNER>::removeAll(bool bDelete)
{
while (!mChildren.empty())
{
NODE* pChild = mChildren.back();
mChildren.pop_back();
pChild->mpParent = nullptr;
if (bDelete)
delete pChild;
}
invalidate();
}
template<class NODE, class OWNER>
void GenericNode<NODE, OWNER>::invalidate()
{
if (mpOwner)
mpOwner->invalidate();
}
template<class NODE, class OWNER>
inline GenericNode<NODE, OWNER>::GenericNode()
{
mpParent = nullptr;
mpOwner = nullptr;
}
template<class NODE, class OWNER>
inline const std::vector<NODE*>& GenericNode<NODE, OWNER>::getChildren() const
{
return mChildren;
}
template<class NODE, class OWNER>
inline std::vector<NODE*>& GenericNode<NODE, OWNER>::getChildren()
{
return mChildren;
}
template<class NODE, class OWNER>
inline bool GenericNode<NODE, OWNER>::hasChildren() const
{
return !mChildren.empty();
}
template<class NODE, class OWNER>
inline const UString& GenericNode<NODE, OWNER>::getText() const
{
return mstrText;
}
template<class NODE, class OWNER>
inline OWNER* GenericNode<NODE, OWNER>::getOwner() const
{
return mpOwner;
}
template<class NODE, class OWNER>
NODE* GenericNode<NODE, OWNER>::getParent() const
{
return mpParent;
}
}
#endif // GENERIC_NODE_H_
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