Add some item delagate classes useful for database fields

CMakeLists.txt

@@ -266,6 +266,8 @@ set (wsjt_qt_CXXSRCS
   widgets/DecodeHighlightingListView.cpp
   models/FoxLog.cpp
   widgets/FoxLogWindow.cpp
+  item_delegates/CallsignDelegate.cpp
+  item_delegates/MaidenheadLocatorDelegate.cpp
   )
 
 set (wsjt_qtmm_CXXSRCS

item_delegates/CallsignDelegate.cpp

@@ -0,0 +1,30 @@
+#include "CallsignDelegate.hpp"
+
+#include <QLineEdit>
+
+#include "validators/CallsignValidator.hpp"
+
+CallsignDelegate::CallsignDelegate (QObject * parent)
+  : QStyledItemDelegate {parent}
+  , validator_ {new CallsignValidator}
+{
+}
+
+QWidget * CallsignDelegate::createEditor (QWidget * parent, QStyleOptionViewItem const&
+                                          , QModelIndex const&) const
+{
+  auto * editor = new QLineEdit {parent};
+  editor->setFrame (false);
+  editor->setValidator (validator_.data ());
+  return editor;
+}
+
+void CallsignDelegate::setEditorData (QWidget * editor, QModelIndex const& index) const
+{
+  static_cast<QLineEdit *> (editor)->setText (index.model ()->data (index, Qt::EditRole).toString ());
+}
+
+void CallsignDelegate::setModelData (QWidget * editor, QAbstractItemModel * model, QModelIndex const& index) const
+{
+  model->setData (index, static_cast<QLineEdit *> (editor)->text (), Qt::EditRole);
+}

item_delegates/CallsignDelegate.hpp

@@ -0,0 +1,30 @@
+#ifndef CALLSIGN_DELEGATE_HPP_
+#define CALLSIGN_DELEGATE_HPP_
+
+#include <QStyledItemDelegate>
+
+class QValidator;
+
+//
+// Class CallsignDelegate
+//
+//	Item delegate for editing a callsign
+//
+class CallsignDelegate final
+  : public QStyledItemDelegate
+{
+public:
+  explicit CallsignDelegate (QObject * parent = nullptr);
+  QWidget * createEditor (QWidget * parent, QStyleOptionViewItem const&, QModelIndex const&) const override;
+  void setEditorData (QWidget * editor, QModelIndex const&) const override;
+  void setModelData (QWidget * editor, QAbstractItemModel *, QModelIndex const&) const override;
+  void updateEditorGeometry (QWidget * editor, QStyleOptionViewItem const& option, QModelIndex const&) const override
+  {
+    editor->setGeometry (option.rect);
+  }
+
+private:
+  QScopedPointer<QValidator> validator_;
+};
+
+#endif

item_delegates/DateTimeAsSecsSinceEpochDelegate.hpp

@@ -0,0 +1,60 @@
+#ifndef DATE_TIME_AS_SECS_SINCE_EPOCH_ITEM_DELEGATE_HPP_
+#define DATE_TIME_AS_SECS_SINCE_EPOCH_ITEM_DELEGATE_HPP_
+
+#include <QStyledItemDelegate>
+#include <QVariant>
+#include <QDateTime>
+#include <QAbstractItemModel>
+#include <QDateTimeEdit>
+
+class DateTimeAsSecsSinceEpochItemDelegate final
+  : public QStyledItemDelegate
+{
+public:
+  DateTimeAsSecsSinceEpochItemDelegate (QObject * parent = nullptr)
+    : QStyledItemDelegate {parent}
+  {
+  }
+
+  static QVariant to_secs_since_epoch (QDateTime const& date_time)
+  {
+    return date_time.toMSecsSinceEpoch () / 1000ull;
+  }
+
+  static QDateTime to_date_time (QModelIndex const& index, int role = Qt::DisplayRole)
+  {
+    return to_date_time (index.model ()->data (index, role));
+  }
+
+  static QDateTime to_date_time (QVariant const& value)
+  {
+    return QDateTime::fromMSecsSinceEpoch (value.toULongLong () * 1000ull);
+  }
+
+  QString displayText (QVariant const& value, QLocale const& locale) const override
+  {
+    return locale.toString (to_date_time (value), QLocale::ShortFormat);
+  }
+
+  QWidget * createEditor (QWidget * parent, QStyleOptionViewItem const& /*option*/, QModelIndex const& /*index*/) const override
+  {
+    return new QDateTimeEdit {parent};
+  }
+
+  void setEditorData (QWidget * editor, QModelIndex const& index) const override
+  {
+    static_cast<QDateTimeEdit *> (editor)->setDateTime (to_date_time (index, Qt::EditRole));
+  }
+
+  void setModelData (QWidget * editor, QAbstractItemModel * model, QModelIndex const& index) const override
+  {
+    model->setData (index, to_secs_since_epoch (static_cast<QDateTimeEdit *> (editor)->dateTime ()));
+  }
+
+  void updateEditorGeometry (QWidget * editor, QStyleOptionViewItem const& option, QModelIndex const& /*index*/) const override
+  {
+    editor->setGeometry (option.rect);
+  }
+};
+
+#endif

item_delegates/MaidenheadLocatorDelegate.cpp

@@ -0,0 +1,30 @@
+#include "MaidenheadLocatorDelegate.hpp"
+
+#include <QLineEdit>
+
+#include "validators/MaidenheadLocatorValidator.hpp"
+
+MaidenheadLocatorDelegate::MaidenheadLocatorDelegate (QObject * parent)
+  : QStyledItemDelegate {parent}
+  , validator_ {new MaidenheadLocatorValidator}
+{
+}
+
+QWidget * MaidenheadLocatorDelegate::createEditor (QWidget * parent, QStyleOptionViewItem const&
+                                          , QModelIndex const&) const
+{
+  auto * editor = new QLineEdit {parent};
+  editor->setFrame (false);
+  editor->setValidator (validator_.data ());
+  return editor;
+}
+
+void MaidenheadLocatorDelegate::setEditorData (QWidget * editor, QModelIndex const& index) const
+{
+  static_cast<QLineEdit *> (editor)->setText (index.model ()->data (index, Qt::EditRole).toString ());
+}
+
+void MaidenheadLocatorDelegate::setModelData (QWidget * editor, QAbstractItemModel * model, QModelIndex const& index) const
+{
+  model->setData (index, static_cast<QLineEdit *> (editor)->text (), Qt::EditRole);
+}

item_delegates/MaidenheadLocatorDelegate.hpp

@@ -0,0 +1,30 @@
+#ifndef MAIDENHEAD_LOCATOR_DELEGATE_HPP_
+#define MAIDENHEAD_LOCATOR_DELEGATE_HPP_
+
+#include <QStyledItemDelegate>
+
+class QValidator;
+
+//
+// Class MaidenheadLocatorDelegate
+//
+//	Item delegate for editing a Maidenhead locator
+//
+class MaidenheadLocatorDelegate final
+  : public QStyledItemDelegate
+{
+public:
+  explicit MaidenheadLocatorDelegate (QObject * parent = nullptr);
+  QWidget * createEditor (QWidget * parent, QStyleOptionViewItem const&, QModelIndex const&) const override;
+  void setEditorData (QWidget * editor, QModelIndex const&) const override;
+  void setModelData (QWidget * editor, QAbstractItemModel *, QModelIndex const&) const override;
+  void updateEditorGeometry (QWidget * editor, QStyleOptionViewItem const& option, QModelIndex const&) const override
+  {
+    editor->setGeometry (option.rect);
+  }
+
+private:
+  QScopedPointer<QValidator> validator_;
+};
+
+#endif

item_delegates/item_delegates.pri

@@ -1,7 +1,12 @@
 SOURCES += \
   item_delegates/ForeignKeyDelegate.cpp \
-  item_delegates/FrequencyItemDelegate.cpp
+  item_delegates/FrequencyItemDelegate.cpp \
+  item_delegates/CallsignDelegate.cpp \
+  item_delegates/MaidenheadLocatorItemDelegate.cpp
 
 HEADERS  += \
   item_delegates/ForeignKeyDelegate.hpp \
-  item_delegates/FrequencyItemDelegate.hpp
+  item_delegates/FrequencyItemDelegate.hpp \
+  item_delegates/CallsignDelegate.hpp \
+  item_delegates/MaidenheadLocatorDelegate.hpp \
+  item_delegates/DateTimeAsSecsSinceEpochDelegate.hpp