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Add tab with namespaces (schema's)

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This commit is contained in:
eelke 2019-11-20 19:09:22 +01:00
parent 8dd13d103e
commit 1df8455af5
7 changed files with 171 additions and 18 deletions
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89
pglab/NamespaceItemModel.cpp
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@ -13,6 +13,7 @@ namespace NamespaceItemModel_impl {
virtual Qt::CheckState getCheckState() const = 0;
virtual void setChecked(NamespaceItemModel *model, const QModelIndex &index, bool checked) = 0;
virtual QVariant data(const QModelIndex &index, int role) const = 0;
virtual int columnCount() const = 0;
};
class GroupNode;
@ -45,16 +46,29 @@ namespace NamespaceItemModel_impl {
emit model->dataChanged(index.parent(), index.parent());
}
QVariant data(const QModelIndex &/*index*/, int role) const override
QVariant data(const QModelIndex &index, int role) const override
{
QVariant v;
if (role == Qt::DisplayRole) {
v = ns.objectName();
switch (index.column()) {
case NamespaceItemModel::ColNamespaceName:
return ns.objectName();
case NamespaceItemModel::ColOwner:
return ns.ownerName();
case NamespaceItemModel::ColAcl:
return ns.aclString();
}
}
else if (role == Qt::CheckStateRole) {
v = getCheckState();
if (index.column() == 0)
return getCheckState();
}
return v;
return {};
}
int columnCount() const override
{
return NamespaceItemModel::ColCount;
}
bool operator < (const LeafNode &rhs) const
@ -62,12 +76,11 @@ namespace NamespaceItemModel_impl {
return ns.objectName() < rhs.ns.objectName();
}
};
class GroupNode: public Node {
public:
using LeafVec = std::vector<std::shared_ptr<LeafNode>>;
using LeafVec = QVector<std::shared_ptr<LeafNode>>;
QString name;
LeafVec leaves;
@ -120,16 +133,25 @@ namespace NamespaceItemModel_impl {
emit model->dataChanged(model->index(0, 0, index), model->index(leaves.size(), 0, index));
}
QVariant data(const QModelIndex &/*index*/, int role) const override
QVariant data(const QModelIndex &index, int role) const override
{
QVariant v;
if (role == Qt::DisplayRole) {
v = name;
switch (index.column()) {
case NamespaceItemModel::ColNamespaceName:
return name;
}
}
else if(role == Qt::CheckStateRole) {
v = getCheckState();
if (index.column() == 0)
return getCheckState();
}
return v;
return {};
}
int columnCount() const override
{
return 1;
}
};
@ -164,6 +186,21 @@ void NamespaceItemModel::init(std::shared_ptr<const PgNamespaceContainer> ns)
e->checked = true;
}
void NamespaceItemModel::setEnableCheckboxes(bool enable)
{
if (m_enableCheckboxes != enable) {
beginResetModel();
SCOPE_EXIT { endResetModel(); };
m_enableCheckboxes = enable;
}
}
bool NamespaceItemModel::isEnableCheckboxes() const
{
return m_enableCheckboxes;
}
QModelIndex NamespaceItemModel::index(int row, int column,
const QModelIndex &parent) const
{
@ -192,8 +229,9 @@ QModelIndex NamespaceItemModel::parent(const QModelIndex &index) const
auto ln = dynamic_cast<LeafNode*>(n);
if (ln) { // leafnode
auto grp = ln->parent.lock(); // Get the parent group
auto fr = std::find(groups.begin(), groups.end(), grp); // find it in the list
int row = fr - groups.begin(); // calculate index ie row
// auto fr = std::find(groups.begin(), groups.end(), grp); // find it in the list
// int row = fr - groups.begin(); // calculate index ie row
int row = groups.indexOf(grp);
result = createIndex(row, 0, grp.get()); // return index
}
@ -216,7 +254,11 @@ int NamespaceItemModel::rowCount(const QModelIndex &parent) const
int NamespaceItemModel::columnCount(const QModelIndex &/*index*/) const
{
return 1;
// if (index.isValid()) {
// auto *n = static_cast<Node*>(index.internalPointer());
// return n->columnCount();
// }
return ColCount;
}
QVariant NamespaceItemModel::data(const QModelIndex &index, int role) const
@ -234,7 +276,8 @@ bool NamespaceItemModel::setData(const QModelIndex &index,
return false;
auto *n = static_cast<Node*>(index.internalPointer());
n->setChecked(this, index, value == Qt::Checked);
if (index.column() == 0)
n->setChecked(this, index, value == Qt::Checked);
return true;
}
@ -242,7 +285,23 @@ bool NamespaceItemModel::setData(const QModelIndex &index,
Qt::ItemFlags NamespaceItemModel::flags(const QModelIndex &index) const
{
Qt::ItemFlags flags = QAbstractItemModel::flags(index);
flags.setFlag(Qt::ItemIsUserCheckable);
if (index.column() == 0 && m_enableCheckboxes)
flags.setFlag(Qt::ItemIsUserCheckable);
return flags;
}
QVariant NamespaceItemModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (orientation == Qt::Horizontal) {
if (role == Qt::DisplayRole) {
switch (section) {
case ColNamespaceName: return tr("Name");
case ColOwner: return tr("Owner");
case ColAcl: return tr("ACL");
}
}
}
return {};
}