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Refactorings of namespace filter

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Moved details from header to cpp
Refactored use of dynamic_cast into virtual calls on the *Node objects.
This commit is contained in:
eelke 2017-12-29 10:10:06 +01:00
parent 590a02599d
commit 206d734ff5
2 changed files with 148 additions and 150 deletions
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97
pglab/NamespaceItemModel.h
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@ -6,6 +6,14 @@
#include <vector>
#include <iterator>
namespace NamespaceItemModel_impl {
class Node;
class LeafNode;
class GroupNode;
}
class PgNamespaceContainer;
class NamespaceItemModel: public QAbstractItemModel {
@ -24,97 +32,10 @@ public:
virtual bool setData(const QModelIndex &index, const QVariant &value, int role) override;
virtual Qt::ItemFlags flags(const QModelIndex &index) const override;
template <typename I>
void getCheckedNamespaces(I inserter) const
{
for (auto g : groups)
for (auto l : g->leaves)
if (l->checked)
inserter = l->ns.oid;
}
private:
class Node {
public:
virtual ~Node() {}
virtual int getRowCount() const = 0;
virtual Qt::CheckState getCheckState() const = 0;
};
class GroupNode;
class LeafNode: public Node {
public:
std::weak_ptr<GroupNode> parent;
bool checked = false;
PgNamespace ns;
LeafNode(std::weak_ptr<GroupNode> p, const PgNamespace &nspace)
: parent(p)
, ns(nspace)
{}
virtual int getRowCount() const override
{
return 0;
}
virtual Qt::CheckState getCheckState() const override
{
return checked ? Qt::Checked : Qt::Unchecked;
}
bool operator < (const LeafNode &rhs) const
{
return ns.name < rhs.ns.name;
}
};
class GroupNode: public Node {
public:
using LeafVec = std::vector<std::shared_ptr<LeafNode>>;
QString name;
LeafVec leaves;
GroupNode(QString n)
: name(n)
{}
virtual int getRowCount() const override
{
return leaves.size();
}
void sortLeaves()
{
std::sort(leaves.begin(), leaves.end(),
[] (auto l, auto r) -> bool { return *l < *r; });
}
virtual Qt::CheckState getCheckState() const override
{
bool some_checked = false;
bool some_unchecked = false;
for (auto l : leaves) {
if (l->checked)
some_checked = true;
else
some_unchecked = true;
}
Qt::CheckState result;
if (some_checked && some_unchecked)
result = Qt::PartiallyChecked;
else if (some_checked)
result = Qt::Checked;
else
result = Qt::Unchecked;
return result;
}
};
using GroupVec = std::vector<std::shared_ptr<GroupNode>>;
using GroupVec = std::vector<std::shared_ptr<NamespaceItemModel_impl::GroupNode>>;
GroupVec groups;
};
#endif // NAMESPACEITEMMODEL_H