From a6dc8f29d80d3c830e0e406a29884c6b32aef69e Mon Sep 17 00:00:00 2001
From: 0xFEEDC0DE64 <daniel@brunner.ninja>
Date: Sat, 18 Feb 2023 19:52:31 +0100
Subject: [PATCH] Implemented removing of registers from device type

---
 RegistersSettingsItem.qml    |  2 ++
 devicetyperegistersmodel.cpp | 47 ++++++++++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+)

diff --git a/RegistersSettingsItem.qml b/RegistersSettingsItem.qml
index f6b7a72..79038da 100644
--- a/RegistersSettingsItem.qml
+++ b/RegistersSettingsItem.qml
@@ -30,6 +30,8 @@ Pane {
                 textRole: 'registerTypeName'
 
                 model: deviceTypeRegistersModel
+
+                onRemoveClicked: (index) => deviceTypeRegistersModel.removeRow(index)
             }
         }
 
diff --git a/devicetyperegistersmodel.cpp b/devicetyperegistersmodel.cpp
index 040d813..59004a2 100644
--- a/devicetyperegistersmodel.cpp
+++ b/devicetyperegistersmodel.cpp
@@ -217,7 +217,54 @@ bool DeviceTypeRegistersModel::setData(const QModelIndex &index, const QVariant
 
 bool DeviceTypeRegistersModel::removeRows(int row, int count, const QModelIndex &parent)
 {
+    if (!m_controller)
+    {
+        qWarning() << "hilfe" << __LINE__;
+        return true;
+    }
 
+    if (m_deviceTypeId == -1)
+    {
+        qWarning() << "hilfe" << __LINE__;
+        return true;
+    }
+
+    auto deviceTypePtr = m_controller->lightProject().deviceTypes.findById(m_deviceTypeId);
+    if (!deviceTypePtr)
+    {
+        qWarning() << "hilfe" << __LINE__;
+        return true;
+    }
+
+    auto &deviceType = *deviceTypePtr;
+
+    if (row < 0)
+    {
+        qWarning() << "hilfe" << __LINE__;
+        return true;
+    }
+
+    auto &registers = deviceType.registers;
+
+    if (row >= registers.size())
+    {
+        qWarning() << "hilfe" << __LINE__;
+        return true;
+    }
+
+    if (row + count > registers.size())
+    {
+        qWarning() << "hilfe" << __LINE__;
+        return true;
+    }
+
+    beginRemoveRows({}, row, row+count-1);
+    auto begin = std::begin(registers) + row;
+    auto end = begin + count;
+    registers.erase(begin, end);
+    endRemoveRows();
+
+    return true;
 }
 
 namespace {