Added model & delegate

2025-12-17 16:26:22 +01:00
parent 8813904e2b
commit 09ff2f00bb
4 changed files with 298 additions and 0 deletions
--- a/bcvaluedelegate.cpp
+++ b/bcvaluedelegate.cpp
@@ -0,0 +1,114 @@
+#include <QSlider>
+#include <QLabel>
+#include <QHBoxLayout>
+#include <QWidget>
+#include <QDebug>
+
+#include "bcvaluedelegate.h"
+#include "bcvalue.h"
+
+
+BCValueDelegate::BCValueDelegate(QObject *parent) : QStyledItemDelegate(parent) {}
+
+// --- TEIL 1: DIE NORMALE ANZEIGE ---
+QString BCValueDelegate::displayText(const QVariant &value, const QLocale &locale) const
+{
+  // Wir prüfen, ob im Variant unser Struct steckt
+  if (value.canConvert<BCValue>()) {
+    BCValue bc = value.value<BCValue>();
+
+    // Hier bauen wir den String zusammen, den man sieht,
+    // wenn KEIN Editor offen ist.
+    // Format: "Label: Wert Einheit"
+    return QString("%1: %2 %3").arg(bc.label, bc.value.toString(), "mm1");
+  }
+
+  // Fallback für normale Strings/Zahlen
+  return QStyledItemDelegate::displayText(value, locale);
+}
+
+// --- TEIL 2: DER EDITOR (SLIDER) ---
+QWidget *BCValueDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const
+{
+  QVariant rawData = index.data(Qt::EditRole);
+  if (!rawData.canConvert<BCValue>())
+    return QStyledItemDelegate::createEditor(parent, option, index);
+
+  BCValue bc = rawData.value<BCValue>();
+
+  // Nur bei Integern den Slider-Editor bauen
+  if (bc.value.typeId() == QMetaType::Int)
+  {
+    QWidget *container = new QWidget(parent);
+    container->setAutoFillBackground(true);
+
+    QHBoxLayout *layout = new QHBoxLayout(container);
+    layout->setContentsMargins(4, 0, 4, 0);
+    layout->setSpacing(10);
+
+    // Linkes Label (Name)
+    QLabel *lblName = new QLabel(bc.label, container);
+    lblName->setFixedWidth(80);
+
+    // Slider
+    QSlider *slider = new QSlider(Qt::Horizontal, container);
+    slider->setRange(0, 100);
+    slider->setObjectName("slider");
+
+    // Rechtes Label (Vorschau Wert + Einheit)
+    QLabel *lblUnit = new QLabel(container);
+    lblUnit->setFixedWidth(60);
+    lblUnit->setAlignment(Qt::AlignRight | Qt::AlignVCenter);
+    lblUnit->setObjectName("lblUnit");
+
+    layout->addWidget(lblName);
+    layout->addWidget(slider);
+    layout->addWidget(lblUnit);
+
+    // Live-Update des Labels im Editor (aber noch kein Speichern im Model)
+    connect(slider, &QSlider::valueChanged, this, [=](int val){
+      lblUnit->setText(QString("%1 %2").arg(val).arg("mm2"));
+    });
+
+    return container;
+  }
+
+  return QStyledItemDelegate::createEditor(parent, option, index);
+}
+
+void BCValueDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
+{
+  // Daten vom Model in den Editor laden
+  BCValue bc = index.data(Qt::EditRole).value<BCValue>();
+
+  QSlider *slider = editor->findChild<QSlider*>("slider");
+  QLabel *lblUnit = editor->findChild<QLabel*>("lblUnit");
+
+  if (slider && lblUnit) {
+    bool oldState = slider->blockSignals(true);
+    slider->setValue(bc.value.toInt());
+    slider->blockSignals(oldState);
+
+    lblUnit->setText(QString("%1 %2").arg(bc.value.toInt()).arg( "mm3"));
+  } else {
+    QStyledItemDelegate::setEditorData(editor, index);
+  }
+}
+
+void BCValueDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
+{
+  // Daten vom Editor zurück ins Model speichern (Beim Schließen)
+  QSlider *slider = editor->findChild<QSlider*>("slider");
+
+  if (slider) {
+    int value = slider->value();
+    model->setData(index, value, Qt::EditRole);
+  } else {
+    QStyledItemDelegate::setModelData(editor, model, index);
+  }
+}
+
+void BCValueDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const
+{
+  editor->setGeometry(option.rect);
+}
--- a/bcvaluedelegate.h
+++ b/bcvaluedelegate.h
@@ -0,0 +1,26 @@
+// BCValueDelegate.h
+#ifndef BCVALUEDELEGATE_H
+#define BCVALUEDELEGATE_H
+
+
+#include <QStyledItemDelegate>
+
+class BCValueDelegate : public QStyledItemDelegate
+{
+  Q_OBJECT
+
+public:
+  explicit BCValueDelegate(QObject *parent = nullptr);
+
+  // WICHTIG: Zuständig für die normale Anzeige (ohne Editor)
+  QString displayText(const QVariant &value, const QLocale &locale) const override;
+
+  // Zuständig für den Edit-Modus (Doppelklick)
+  QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
+  void setEditorData(QWidget *editor, const QModelIndex &index) const override;
+  void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const override;
+  void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
+};
+
+
+#endif // BCVALUEDELEGATE_H
--- a/bcvaluemodel.cpp
+++ b/bcvaluemodel.cpp
@@ -0,0 +1,95 @@
+/***************************************************************************
+
+ BionxControl
+ Copyright © 2025 christoph holzheuer
+ christoph.holzheuer@gmail.com
+
+ Using:
+
+ 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
+
+ mhs_can_drv.c 3.00
+ © 2011 - 2015 by MHS-Elektronik GmbH & Co. KG, Germany
+ Demlehner Klaus, info@mhs-elektronik.de
+ @see www.mhs-elektronik.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) : QAbstractListModel(parent) {}
+
+void BCValueModel::addValue(const BCValue &val)
+{
+  int row = _valueList.size();
+  beginInsertRows(QModelIndex(), row, row);
+  _valueList.append(val);
+  endInsertRows();
+}
+
+void BCValueModel::setValueList(const BCValueList& valueList)
+{
+  beginResetModel();
+ _valueList = valueList;
+  endResetModel();
+}
+
+int BCValueModel::rowCount(const QModelIndex &parent) const
+{
+  if (parent.isValid()) return 0;
+  return _valueList.size();
+}
+
+QVariant BCValueModel::data(const QModelIndex &index, int role) const
+{
+  if (!index.isValid() || index.row() >= _valueList.size())
+    return QVariant();
+
+  const BCValue &item = _valueList.at(index.row());
+
+  if (role == Qt::DisplayRole || role == Qt::EditRole) {
+    return QVariant::fromValue(item);
+  }
+  return QVariant();
+}
+
+Qt::ItemFlags BCValueModel::flags(const QModelIndex &index) const
+{
+  if (!index.isValid()) return Qt::NoItemFlags;
+  // ItemIsEditable ist Pflicht für Persistent Editors
+  return QAbstractListModel::flags(index) | Qt::ItemIsEditable;
+}
+
+bool BCValueModel::setData(const QModelIndex &index, const QVariant &value, int role)
+{
+  if (index.isValid() && role == Qt::EditRole) {
+    BCValue item = _valueList[index.row()];
+
+    // Wir erwarten hier nur den Value-Teil (vom Slider/Editor)
+    // Checken ob Int oder Double
+    if (value.canConvert<double>()) {
+      item.value = value;
+    }
+
+    _valueList[index.row()] = item;
+    emit dataChanged(index, index, {Qt::DisplayRole, Qt::EditRole});
+    return true;
+  }
+  return false;
+}
--- a/bcvaluemodel.h
+++ b/bcvaluemodel.h
@@ -0,0 +1,63 @@
+/***************************************************************************
+
+ BionxControl
+ Copyright © 2025 christoph holzheuer
+ christoph.holzheuer@gmail.com
+
+ Using:
+
+ 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
+
+ mhs_can_drv.c 3.00
+ © 2011 - 2015 by MHS-Elektronik GmbH & Co. KG, Germany
+ Demlehner Klaus, info@mhs-elektronik.de
+ @see www.mhs-elektronik.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
+
+ ***************************************************************************/
+
+
+#ifndef BCVALUEMODEL_H
+#define BCVALUEMODEL_H
+
+#include <QAbstractTableModel>
+
+#include <bcvalue.h>
+
+
+class BCValueModel : public QAbstractListModel
+{
+  Q_OBJECT
+
+public:
+
+  explicit BCValueModel(QObject *parent = nullptr);
+
+  void addValue(const BCValue &val);
+  void setValueList(const BCValueList& valueList);
+
+  int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+  QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+
+  // Nötig für Editierbarkeit
+  Qt::ItemFlags flags(const QModelIndex &index) const override;
+  bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
+
+private:
+
+  BCValueList _valueList;
+
+};
+
+#endif // BCVALUEMODEL_H