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TreeModel: Add an optional ParentType parameter for TypedTreeItem

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... and use it to add a ParentType *parent() function.

Also, de-virtualize the TreeModel::parent(), this flexibility has not
been needed so far.

Change-Id: I0bcf930a0d6b05d5621753a5a8a1f8c3e5017386
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
This commit is contained in:
hjk
2016-06-24 08:36:13 +02:00
parent 1b5c46660c
commit 0cfd569038
1 changed files with 6 additions and 2 deletions
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8
src/libs/utils/treemodel.h
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@@ -41,7 +41,7 @@ public:
TreeItem(); TreeItem();
virtual ~TreeItem(); virtual ~TreeItem();
virtual TreeItem *parent() const { return m_parent; } TreeItem *parent() const { return m_parent; }
virtual TreeItem *child(int pos) const; virtual TreeItem *child(int pos) const;
virtual int rowCount() const; virtual int rowCount() const;
@@ -148,7 +148,7 @@ private:
}; };
// A TreeItem with children all of the same type. // A TreeItem with children all of the same type.
template <class ChildType> template <class ChildType, class ParentType = TreeItem>
class TypedTreeItem : public TreeItem class TypedTreeItem : public TreeItem
{ {
public: public:
@@ -175,6 +175,10 @@ public:
ChildType *findFirstLevelChild(Predicate pred) const { ChildType *findFirstLevelChild(Predicate pred) const {
return TreeItem::findFirstLevelChild<ChildType *, Predicate>(pred); return TreeItem::findFirstLevelChild<ChildType *, Predicate>(pred);
} }
ParentType *parent() const {
return static_cast<ParentType *>(TreeItem::parent());
}
}; };
class QTCREATOR_UTILS_EXPORT StaticTreeItem : public TreeItem class QTCREATOR_UTILS_EXPORT StaticTreeItem : public TreeItem