Item delegate for SQLite date and time fields

2026-06-07 16:34:55 -04:00 · 2019-12-08 18:36:04 +00:00
parent d5269c9002
commit b6b8271a6d
3 changed files with 64 additions and 0 deletions
@@ -0,0 +1,40 @@
+#include "SQLiteDateTimeDelegate.hpp"
+
+#include <QDateTimeEdit>
+#include <QDateTime>
+#include <QLocale>
+
+SQLiteDateTimeDelegate::SQLiteDateTimeDelegate (QObject * parent)
+  : QStyledItemDelegate {parent}
+{
+}
+
+QWidget * SQLiteDateTimeDelegate::createEditor (QWidget * parent, QStyleOptionViewItem const&
+                                          , QModelIndex const&) const
+{
+  auto * editor = new QDateTimeEdit {parent};
+  editor->setCalendarPopup (true);
+  editor->setDisplayFormat (QLocale {}.dateFormat (QLocale::ShortFormat) + " hh:mm:ss");
+  editor->setFrame (false);
+  return editor;
+}
+
+void SQLiteDateTimeDelegate::setEditorData (QWidget * editor, QModelIndex const& index) const
+{
+  auto const& value = index.model ()->data (index, Qt::EditRole);
+  if (value.isValid () && !value.isNull ())
+    {
+      static_cast<QDateTimeEdit *> (editor)->setDateTime (QDateTime::fromMSecsSinceEpoch (value.toULongLong () * 1000ull, Qt::UTC));
+    }
+}
+
+void SQLiteDateTimeDelegate::setModelData (QWidget * editor, QAbstractItemModel * model, QModelIndex const& index) const
+{
+  QVariant data;
+  auto const& value = static_cast<QDateTimeEdit *> (editor)->dateTime ();
+  if (value.isValid () && !value.isNull ())
+    {
+      data = value.toMSecsSinceEpoch () / 1000ull;
+    }
+  model->setData (index, data, Qt::EditRole);
+}