ListItem* ListModel::itemFromId(int itemId, ListItem* parent) const
{
if (!parent)
parent = root();
for (int i = 0, n = parent->childCount(); i < n; ++i) {
ListItem* child = parent->child(i);
if (child->id() == itemId)
return child;
}
for (int i = 0, n = parent->childCount(); i < n; ++i) {
ListItem* found = itemFromId(itemId, parent->child(i));
if (found)
return found;
}
return nullptr;
}
bool ListModel::_removeItem(ListItem* item)
{
for (int i = item->childCount(); i > 0; --i)
_removeItem(item->child(i - 1));
ListItem* parent = item->parent();
int id = item->id();
int row = item->row();
SqlQuery sql;
sql.prepare("UPDATE list_item SET weight = weight - 1 WHERE parent_id = :parent AND weight > :weight");
sql.bindValue(":parent", parent->id());
sql.bindValue(":weight", row);
if (!sql.exec())
return false;
sql.prepare("DELETE FROM list_item WHERE id = :id");
sql.bindValue(":id", id);
if (!sql.exec())
return false;
parent->removeChild(row);
return true;
}
QVariant ListModel::data(const QModelIndex& index, int role) const
{
if (index.isValid()) {
ListItem* item = itemFromIndex(index);
if (item) {
// all columns
switch (role) {
case Qt::BackgroundRole:
if (item->isHighlighted())
return App::HighlightBackgroundColor;
else if (item->isProject())
return App::ProjectBackgroundColor;
else if (item->isMilestone())
return App::MilestoneBackgroundColor;
else
return QVariant();
}
// specific column
switch (index.column()) {
case 0:
switch (role) {
case Qt::DisplayRole:
return item->html();
case Qt::EditRole:
return item->markdown();
case Qt::CheckStateRole:
if (item->isCheckable())
if (item->isCompleted())
return Qt::Checked;
else if (item->isCancelled())
return Qt::PartiallyChecked;
else
return Qt::Unchecked;
break;
case Qt::DecorationRole:
if (item->isProject())
return Util::findIcon("project");
if (item->isMilestone())
return Util::findIcon("milestone");
if (item->isNote())
return Util::findIcon("note");
break;
#ifdef QT_DEBUG
case Qt::ToolTipRole:
return QString("id: %1 row: %2 parent: %3 milestone: %4 priority: %5").arg(item->id()).arg(item->row()).arg(item->parent()->id()).arg(item->isMilestone()).arg(item->priority());
#endif
} break;
case 1:
switch (role) {
case Qt::DisplayRole:
return item->dueDate();
} break;
}
}
}
return QVariant();
}