Add data separator in folder list

Signed-off-by: Carl Schwan <carl@carlschwan.eu>

src/mail/mailmodel.cpp

@@ -8,9 +8,11 @@
 //#include "messageviewer/viewer.h"
 
 #include <Akonadi/EntityTreeModel>
-#include <KMime/Message>
+#include <KFormat>
 #include <KLocalizedString>
+#include <KMime/Message>
 #include <QQmlEngine>
+#include <kformat.h>
 
 MailModel::MailModel(QObject *parent)
     : QIdentityProxyModel(parent)
@@ -20,14 +22,14 @@ MailModel::MailModel(QObject *parent)
 
 QHash<int, QByteArray> MailModel::roleNames() const
 {
-    return {
-        {TitleRole, QByteArrayLiteral("title")},
-        {SenderRole, QByteArrayLiteral("sender")},
-        {UnreadRole, QByteArrayLiteral("unread")},
-        {FavoriteRole, QByteArrayLiteral("favorite")},
-        {TextColorRole, QByteArrayLiteral("textColor")},
-        {BackgroundColorRole, QByteArrayLiteral("backgroudColor")}
-    };
+    return {{TitleRole, QByteArrayLiteral("title")},
+            {DateRole, QByteArrayLiteral("date")},
+            {DateTimeRole, QByteArrayLiteral("datetime")},
+            {SenderRole, QByteArrayLiteral("sender")},
+            {UnreadRole, QByteArrayLiteral("unread")},
+            {FavoriteRole, QByteArrayLiteral("favorite")},
+            {TextColorRole, QByteArrayLiteral("textColor")},
+            {BackgroundColorRole, QByteArrayLiteral("backgroudColor")}};
 }
 
 QVariant MailModel::data(const QModelIndex &index, int role) const
@@ -102,6 +104,13 @@ QVariant MailModel::data(const QModelIndex &index, int role) const
             return QString();
         }
     case DateRole:
+        if (mail->date()) {
+            KFormat format;
+            return format.formatRelativeDate(mail->date()->dateTime().date(), QLocale::ShortFormat);
+        } else {
+            return QString();
+        }
+    case DateTimeRole:
         if (mail->date()) {
             return mail->date()->asUnicodeString();
         } else {

src/mail/mailmodel.h

@@ -22,14 +22,15 @@ public:
         SenderRole,
         TextColorRole,
         DateRole,
+        DateTimeRole,
         BackgroundColorRole,
         UnreadRole,
         MailRole,
         FavoriteRole,
     };
 
-//    ViewerHelper *viewerHelper() const;
-//    void setViewerHelper(ViewerHelper *viewerHelper);
+    //    ViewerHelper *viewerHelper() const;
+    //    void setViewerHelper(ViewerHelper *viewerHelper);
 
     explicit MailModel(QObject *parent = nullptr);
     QHash<int, QByteArray> roleNames() const override;

src/mail/qml/FolderView.qml

@@ -14,6 +14,11 @@ import org.kde.kitemmodels 1.0 as KItemModels
     ListView {
         id: mails
         model: MailManager.folderModel
+        section.delegate: Kirigami.ListSectionHeader {
+            required property string section
+            label: section
+        }
+        section.property: "date"
         delegate: Kirigami.BasicListItem {
             label: model.title
             subtitle: sender