duplicate works! multiplexed signals are not copied at this time

need to learn more about them first

need to do clean up and corner case handling

dbc/dbcnodeduplicateeditor.cpp

@@ -0,0 +1,171 @@
+#include "dbcnodeduplicateeditor.h"
+#include "ui_dbcnodeduplicateeditor.h"
+
+#include <QSettings>
+#include <QKeyEvent>
+#include <QColorDialog>
+#include "helpwindow.h"
+#include "utility.h"
+
+DBCNodeDuplicateEditor::DBCNodeDuplicateEditor(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::DBCNodeDuplicateEditor)
+{
+    ui->setupUi(this);
+
+    readSettings();
+
+    dbcHandler = DBCHandler::getReference();
+    dbcNode = nullptr;
+
+        connect(ui->btnDuplicate, &QPushButton::pressed,
+            [=]()
+            {
+                if (dbcNode == nullptr) return;
+                if (lowestMsgId > 0x1FFFFFFFul) return;
+
+                uint newBase = Utility::ParseStringToNum(ui->lineNewBaseId->text());
+
+                if (newBase <= 0x1FFFFFFFul && newBase != lowestMsgId)
+                {
+                    uint rebaseDiff = newBase - lowestMsgId;
+
+                    QList<DBC_MESSAGE*> messagesForNode = dbcFile->messageHandler->findMsgsByNode(dbcNode);
+                    if(messagesForNode.count() == 0)
+                    {
+                        return;
+                    }
+
+                    if(ui->lineNodeName->text().isEmpty())
+                    {
+                        //tell!
+                        return;
+                    }
+
+                    QString newNodeName = ui->lineNodeName->text();
+                    emit createNode(newNodeName);
+
+                    DBC_NODE *nodePtr = dbcFile->findNodeByName(newNodeName);
+
+                    if(nodePtr == nullptr)
+                    {
+                        //uhoh
+                        return;
+                    }
+
+                    for (int i=0; i<messagesForNode.count(); i++)
+                    {
+                        uint newMsgId = messagesForNode[i]->ID + rebaseDiff;
+                        emit cloneMessageToNode(nodePtr, messagesForNode[i], newMsgId);
+                    }
+
+                    dbcFile->setDirtyFlag();
+                    emit nodeAdded();
+                }
+            });
+
+        connect(ui->btnCancel, &QPushButton::pressed,
+            [=]()
+            {
+
+
+            });
+
+    installEventFilter(this);
+}
+
+DBCNodeDuplicateEditor::~DBCNodeDuplicateEditor()
+{
+    removeEventFilter(this);
+    delete ui;
+}
+
+void DBCNodeDuplicateEditor::closeEvent(QCloseEvent *event)
+{
+    Q_UNUSED(event);
+    writeSettings();
+}
+
+bool DBCNodeDuplicateEditor::eventFilter(QObject *obj, QEvent *event)
+{
+    if (event->type() == QEvent::KeyRelease) {
+        QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
+        switch (keyEvent->key())
+        {
+        case Qt::Key_F1:
+            HelpWindow::getRef()->showHelp("nodeeditor.md");
+            break;
+        }
+        return true;
+    } else {
+        // standard event processing
+        return QObject::eventFilter(obj, event);
+    }
+    return false;
+}
+
+void DBCNodeDuplicateEditor::setFileIdx(int idx)
+{
+    if (idx < 0 || idx > dbcHandler->getFileCount() - 1) return;
+    dbcFile = dbcHandler->getFileByIdx(idx);
+}
+
+void DBCNodeDuplicateEditor::readSettings()
+{
+    QSettings settings;
+    if (settings.value("Main/SaveRestorePositions", false).toBool())
+    {
+        resize(settings.value("DBCNodeDuplicateEditor/WindowSize", QSize(312, 128)).toSize());
+        move(Utility::constrainedWindowPos(settings.value("DBCNodeDuplicateEditor/WindowPos", QPoint(100, 100)).toPoint()));
+    }
+}
+
+void DBCNodeDuplicateEditor::writeSettings()
+{
+    QSettings settings;
+
+    if (settings.value("Main/SaveRestorePositions", false).toBool())
+    {
+        settings.setValue("DBCNodeDuplicateEditor/WindowSize", size());
+        settings.setValue("DBCNodeDuplicateEditor/WindowPos", pos());
+    }
+}
+
+
+void DBCNodeDuplicateEditor::setNodeRef(DBC_NODE *node)
+{
+    dbcNode = node;
+}
+
+void DBCNodeDuplicateEditor::showEvent(QShowEvent* event)
+{
+    QDialog::showEvent(event);
+
+    refreshView();
+}
+
+void DBCNodeDuplicateEditor::refreshView()
+{
+    if(dbcNode)
+    {
+        QList<DBC_MESSAGE*> messagesForNode = dbcFile->messageHandler->findMsgsByNode(dbcNode);
+        if(messagesForNode.count() == 0)
+        {
+            //??
+
+        }
+
+        lowestMsgId = 0xFFFFFFFF;
+
+        for (int i=0; i<messagesForNode.count(); i++)
+        {
+            if(messagesForNode[i]->ID < lowestMsgId)
+                lowestMsgId = messagesForNode[i]->ID;
+        }
+
+        ui->lineOriginalBaseId->setText(Utility::formatCANID(lowestMsgId & 0x1FFFFFFFul));
+        ui->lineNodeName->setText(dbcNode->name + QString("_Copy"));
+    }
+
+    //generateSampleText();
+}