Add sort by insert order

Related to #287

src/bin/abstractprojectitem.cpp

@@ -221,7 +221,7 @@ QVariant AbstractProjectItem::getData(DataType type) const
 
 int AbstractProjectItem::supportedDataCount() const
 {
-    return 6;
+    return 7;
 }
 
 QString AbstractProjectItem::name() const

src/bin/bin.cpp

@@ -883,10 +883,15 @@ Bin::Bin(std::shared_ptr<ProjectItemModel> model, QWidget *parent)
     sortByDuration->setCheckable(true);
     sortByDuration->setData(5);
     sortByDuration->setChecked(binSort == 5);
+    QAction *sortByInsert = new QAction(i18n("Insert Order"), m_sortGroup);
+    sortByInsert->setCheckable(true);
+    sortByInsert->setData(6);
+    sortByInsert->setChecked(binSort == 6);
     sort->addAction(sortByName);
     sort->addAction(sortByDate);
     sort->addAction(sortByDuration);
     sort->addAction(sortByType);
+    sort->addAction(sortByInsert);
     sort->addAction(sortByDesc);
     sort->addSeparator();
     sort->addAction(m_sortDescend);

src/bin/projectitemmodel.cpp

@@ -97,6 +97,9 @@ int ProjectItemModel::mapToColumn(int column) const
     case 5:
         return AbstractProjectItem::DataDuration;
         break;
+    case 6:
+        return AbstractProjectItem::DataId;
+        break;
     default:
         return AbstractProjectItem::DataName;
     }
@@ -257,6 +260,9 @@ QVariant ProjectItemModel::headerData(int section, Qt::Orientation orientation,
         case 5:
             columnName = i18n("Duration");
             break;
+        case 6:
+            columnName = i18n("Id");
+            break;
         default:
             columnName = i18n("Unknown");
             break;