qt: add ReadableItemModel

src/modules/interface/qt/data/ReadableItemModel.h

@@ -0,0 +1,34 @@
+#pragma once
+
+#include <QStandardItemModel>
+#include <QMimeData>
+
+#include <ReadableData.h>
+
+class ReadableItemModel : public QStandardItemModel {
+public:
+    ReadableItemModel() : QStandardItemModel() {}
+protected:
+    QStringList mimeTypes() const override {return QStringList(ReadableData::mimeType());}
+    QMimeData *mimeData(const QModelIndexList &indices) const override {
+        if (indices.size() < 1) {
+            return nullptr;
+        }
+        
+        QVariantList itemDataList;
+        
+        for (QModelIndex modelIndex : indices) {
+            itemDataList.append(itemFromIndex(modelIndex)->data(Qt::UserRole));
+        }
+        
+        QByteArray b_data;
+        QDataStream stream(&b_data, QIODevice::WriteOnly);
+        
+        stream << itemDataList;
+        
+        QMimeData *data = new QMimeData;
+        data->setData(ReadableData::mimeType(), b_data);
+        
+        return data;
+    }
+};