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#include "RosterModel.h"
namespace Swift {
RosterModel::RosterModel() {
}
RosterModel::~RosterModel() {
delete tree_;
}
void RosterModel::setRoot(QtTreeWidgetItem* root) {
tree_ = root;
connect(tree_, SIGNAL(changed(QtTreeWidgetItem*)), this, SLOT(handleItemChanged(QtTreeWidgetItem*)));
}
void RosterModel::handleItemChanged(QtTreeWidgetItem* item) {
if (!item->isShown()) {
return;
}
Q_ASSERT(item);
QModelIndex modelIndex = index(item);
Q_ASSERT(modelIndex.isValid());
emit itemExpanded(modelIndex, item->isExpanded());
emit dataChanged(modelIndex, modelIndex);
emit dataChanged(parent(modelIndex), parent(modelIndex));
emit layoutChanged();
}
int RosterModel::columnCount(const QModelIndex& parent) const {
Q_UNUSED(parent);
return 1;
}
QVariant RosterModel::data(const QModelIndex& index, int role) const {
QtTreeWidgetItem* item = index.isValid() ? static_cast<QtTreeWidgetItem*>(index.internalPointer()) : NULL;
return item ? item->data(role) : QVariant();
}
QModelIndex RosterModel::index(int row, int column, const QModelIndex& parent) const {
QtTreeWidgetItem* parentItem = parent.isValid() ? static_cast<QtTreeWidgetItem*>(parent.internalPointer()) : tree_;
Q_ASSERT(parentItem);
return row < parentItem->rowCount() ? createIndex(row, column, parentItem->getItem(row)) : QModelIndex();
}
QModelIndex RosterModel::index(QtTreeWidgetItem* item) const {
return createIndex(item->row(), 0, item);
}
QModelIndex RosterModel::parent(const QModelIndex& index) const {
if (!index.isValid()) {
return QModelIndex();
}
QtTreeWidgetItem* item = static_cast<QtTreeWidgetItem*>(index.internalPointer());
Q_ASSERT(item);
QtTreeWidgetItem* parentItem = item->getParentItem();
return parentItem == tree_ ? QModelIndex() : createIndex(parentItem->row(), 0, parentItem);
}
int RosterModel::rowCount(const QModelIndex& parent) const {
QtTreeWidgetItem* item = parent.isValid() ? static_cast<QtTreeWidgetItem*>(parent.internalPointer()) : tree_;
Q_ASSERT(item);
return item->rowCount();
}
}
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Swift