Redesign data structures, part I

bcvaluemodel.cpp

@@ -0,0 +1,171 @@
+/***************************************************************************
+
+  BionxControl
+  Copyright © 2025 christoph holzheuer
+  christoph.holzheuer@gmail.com
+
+  Using:
+
+  mhs_can_drv.c
+  © 2011 - 2023 by MHS-Elektronik GmbH & Co. KG, Germany
+  Klaus Demlehner, klaus@mhs-elektronik.de
+  @see www.mhs-elektronik.de
+
+  Based on Bionx data type descriptions from:
+
+  BigXionFlasher USB V 0.2.4 rev. 97
+  © 2011-2013 by Thomas Koenig <info@bigxionflasher.org>
+  @see www.bigxionflasher.org
+
+  Bionx Bike Info
+  © 2018 Thorsten Schmidt (tschmidt@ts-soft.de)
+  @see www.ts-soft.de
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 3 of the License, or
+  (at your option) any later version.
+  @see https://github.com/bikemike/bionx-bikeinfo
+
+ ***************************************************************************/
+
+
+#include <bcvaluemodel.h>
+
+
+BCValueModel::BCValueModel(QObject *parent)
+  : QAbstractTableModel(parent)
+{
+
+}
+
+
+void BCValueModel::addValue(const BCDataValue& val)
+{
+  int row = _valueList.size();
+  beginInsertRows(QModelIndex(), row, row);
+  _valueList.append(val);
+  endInsertRows();
+}
+
+
+/*
+void BCValueModel::setValueList(BCValueList* valueList)
+{
+  beginResetModel();
+ _valueList = valueList;
+  endResetModel();
+}
+*/
+
+/*
+BCValueList& BCValueModel::getValueList()
+{
+  return _valueList;
+}
+*/
+
+int BCValueModel::rowCount(const QModelIndex& parent) const
+{
+  if (parent.isValid())
+    return 0;
+  return _valueList.size();
+}
+
+int BCValueModel::columnCount(const QModelIndex &parent) const
+{
+  if (parent.isValid()) return 0;
+  return 2;
+}
+
+QVariant BCValueModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+  if (role != Qt::DisplayRole || orientation != Qt::Horizontal)
+    return QVariant();
+
+  switch (section)
+  {
+    case 0:
+      return QString("Bezeichnung");
+    case 1:
+        return QString("Wert");
+    default:
+      return QVariant();
+    }
+}
+
+QVariant BCValueModel::data(const QModelIndex& index, int role) const
+{
+  /*
+
+if (!index.isValid() || index.row() >= static_cast<int>(m_items.size()))
+        return QVariant();
+
+    const auto& item = m_items.at(index.row());
+
+    if (role == Qt::DisplayRole) {
+        switch (index.column()) {
+            case 0: return item.id;
+            case 1: return item.name;
+            case 2: {
+                // Hier nutzen wir QLocale für das Komma!
+                return QLocale(QLocale::German).toString(item.value, 'f', 2);
+            }
+        }
+    }
+
+    // Bonus: Rechtsbündig für Zahlen
+    if (role == Qt::TextAlignmentRole && (index.column() == 0 || index.column() == 2)) {
+        return Qt::AlignRight | Qt::AlignVCenter;
+    }
+
+    return QVariant();
+  */
+  int row = index.row();
+  int col = index.column();
+  if (!index.isValid() || row >= _valueList.size())
+    return QVariant();
+
+  BCDataValue& entry = const_cast<BCDataValue&>(_valueList.at( row ));
+  entry.rowInModel = row;
+
+  if (role == Qt::DisplayRole || role == Qt::EditRole)
+  {
+    if( col == 0 )
+      return entry.label;
+    else if( col == 1 )
+      return entry.visibleValue;
+  }
+
+  return QVariant();
+}
+
+
+Qt::ItemFlags BCValueModel::flags(const QModelIndex& index) const
+{
+  if (!index.isValid())
+    return Qt::NoItemFlags;
+
+  return QAbstractTableModel::flags(index) | Qt::ItemIsEditable;
+}
+
+
+bool BCValueModel::setData(const QModelIndex& index, const QVariant& value, int role)
+{
+  if (index.isValid() && role == Qt::EditRole)
+  {
+    BCDataValue& item = _valueList[index.row()];
+
+    // Wir erwarten hier nur den Value-Teil (vom Slider/Editor)
+    // Checken ob Int oder Double
+    if (value.canConvert<double>())
+    {
+      item.visibleValue = value.toString();
+    }
+
+    _valueList[index.row()] = item;
+    emit dataChanged(index, index, {Qt::DisplayRole, Qt::EditRole});
+    return true;
+  }
+  return false;
+}