Add and implemented Delivery Point VM

sea_transport/viewmodels/deliverypointsviewmodel.cpp

@@ -0,0 +1,59 @@
+#include "deliverypointsviewmodel.h"
+
+DeliveryPointsViewModel::DeliveryPointsViewModel(QObject *parent) : QAbstractTableModel(parent) {
+
+}
+
+int DeliveryPointsViewModel::rowCount(const QModelIndex &/*parent*/) const {
+    return apparatus::instance()->get_object_subsystem()->dpoints().length();
+}
+
+int DeliveryPointsViewModel::columnCount(const QModelIndex &/*parent*/) const {
+    return 4;
+}
+
+QVariant DeliveryPointsViewModel::headerData(int section, Qt::Orientation orientation, int role) const {
+    if (role == Qt::DisplayRole && orientation == Qt::Horizontal) {
+        switch (section) {
+            case 0:
+                return QString("DPID");
+            case 1:
+                return QString("Title");
+            case 2:
+                return QString("Storages count");
+            case 3:
+                return QString("Storages total volume");
+        }
+    }
+    return QVariant();
+}
+
+QVariant DeliveryPointsViewModel::data(const QModelIndex &index, int role) const {
+    if (role == Qt::DisplayRole) {
+        auto item = apparatus::instance()->get_object_subsystem()->dpoints()[index.row()];
+
+        int col = index.column();
+        switch (col) {
+            case 0:
+                return QString::number(item.id());
+            case 1:
+                return item.title();
+            case 2:
+                return item.storages().length();
+            case 3:
+                int tvol = 0;
+                foreach (auto storage, item.storages()) {
+                    tvol += storage.capacity();
+                }
+                return tvol;
+        }
+
+        return "UNKNOWN FIELD";
+    }
+
+    return QVariant();
+}
+
+void DeliveryPointsViewModel::update() {
+    dataChanged(QModelIndex(),  QModelIndex());
+}

sea_transport/viewmodels/deliverypointsviewmodel.h

@@ -0,0 +1,22 @@
+#ifndef DELIVERYPOINTSVIEWMODEL_H
+#define DELIVERYPOINTSVIEWMODEL_H
+
+#include "system/apparatus.h"
+
+#include <QAbstractTableModel>
+
+class DeliveryPointsViewModel : public QAbstractTableModel {
+    Q_OBJECT
+
+public:
+    DeliveryPointsViewModel(QObject *parent = nullptr);
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    int columnCount(const QModelIndex &parent = QModelIndex()) const;
+    QVariant headerData(int section, Qt::Orientation orientation, int role) const;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
+
+public slots:
+    void update();
+};
+
+#endif // DELIVERYPOINTSVIEWMODEL_H