Implementation of refresh on file load and frame clearing for Graphing window. Clear old frames when loading new file. Updated version.

graphingwindow.cpp

@@ -1,6 +1,7 @@
 #include "graphingwindow.h"
 #include "ui_graphingwindow.h"
 #include "newgraphdialog.h"
+#include "mainwindow.h"
 #include <QDebug>
 
 GraphingWindow::GraphingWindow(QVector<CANFrame> *frames, QWidget *parent) :
@@ -47,6 +48,8 @@ GraphingWindow::GraphingWindow(QVector<CANFrame> *frames, QWidget *parent) :
     connect(ui->graphingView, SIGNAL(axisDoubleClick(QCPAxis*,QCPAxis::SelectablePart,QMouseEvent*)), this, SLOT(axisLabelDoubleClick(QCPAxis*,QCPAxis::SelectablePart)));
     connect(ui->graphingView, SIGNAL(legendDoubleClick(QCPLegend*,QCPAbstractLegendItem*,QMouseEvent*)), this, SLOT(legendDoubleClick(QCPLegend*,QCPAbstractLegendItem*)));
 
+    connect(MainWindow::getReference(), SIGNAL(framesUpdated(int)), this, SLOT(updatedFrames(int)));
+
     // setup policy and connect slot for context menu popup:
     ui->graphingView->setContextMenuPolicy(Qt::CustomContextMenu);
     connect(ui->graphingView, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuRequest(QPoint)));
@@ -63,8 +66,33 @@ GraphingWindow::~GraphingWindow()
 void GraphingWindow::showEvent(QShowEvent* event)
 {
     QDialog::showEvent(event);
+    ui->graphingView->replot();
 }
 
+void GraphingWindow::updatedFrames(int numFrames)
+{
+    if (numFrames == -1) //all frames deleted. Kill the display
+    {
+        removeAllGraphs();
+    }
+    else if (numFrames == -2) //all new set of frames. Reset
+    {
+        //there shouldn't be any need to actually remove the graphs.
+        //regenerate them instead
+        ui->graphingView->clearGraphs(); //temporarily remove the graphs from the graph view
+        for (int i = 0; i < graphParams.count(); i++)
+        {
+            createGraph(graphParams[i], false); //regenerate each one
+        }
+        ui->graphingView->replot(); //now, redisplay them all
+    }
+    else //just got some new frames. See if they are relevant.
+    {
+    }
+}
+
+
+
 void GraphingWindow::titleDoubleClick(QMouseEvent* event, QCPPlotTitle* title)
 {
   Q_UNUSED(event)
@@ -279,7 +307,7 @@ void GraphingWindow::addNewGraph()
     showParamsDialog(-1);
 }
 
-void GraphingWindow::createGraph(GraphParams &params)
+void GraphingWindow::createGraph(GraphParams &params, bool createGraphParam)
 {
     int tempVal;
     float minval=1000000, maxval = -100000;
@@ -376,7 +404,7 @@ void GraphingWindow::createGraph(GraphParams &params)
     }
     ui->graphingView->addGraph();
     params.ref = ui->graphingView->graph();
-    graphParams.append(params);
+    if (createGraphParam) graphParams.append(params);
     ui->graphingView->graph()->setSelectedBrush(Qt::NoBrush);
     ui->graphingView->graph()->setSelectedPen(selectedPen);
     ui->graphingView->graph()->setName(QString("Graph %1").arg(ui->graphingView->graphCount()-1));

graphingwindow.h

@@ -45,8 +45,9 @@ private slots:
     void contextMenuRequest(QPoint pos);
     void moveLegend();
     void addNewGraph();
-    void createGraph(GraphParams &params);
+    void createGraph(GraphParams &params, bool createGraphParam = true);
     void editSelectedGraph();
+    void updatedFrames(int);
 
 private:
     Ui::GraphingWindow *ui;

mainwindow.cpp

@@ -557,8 +557,8 @@ void MainWindow::loadLogFile(QString filename)
         {
             QList<QByteArray> tokens = line.split(' ');
             QList<QByteArray> timeToks = tokens[0].split(':');
-            timeStamp = (timeToks[0].toInt() * (1000 * 1000 * 60 * 60)) + (timeToks[1].toInt() * (1000 * 1000 * 60))
+            timeStamp = (timeToks[0].toInt() * (1000ul * 1000ul * 60ul * 60ul)) + (timeToks[1].toInt() * (1000ul * 1000ul * 60ul))
-                      + (timeToks[2].toInt() * (1000 * 1000)) + (timeToks[3].toInt() * 100);
+                      + (timeToks[2].toInt() * (1000ul * 1000ul)) + (timeToks[3].toInt() * 100ul);
             thisFrame.timestamp = timeStamp;
             thisFrame.ID = tokens[3].right(tokens[3].length() - 2).toInt(NULL, 16);
             if (tokens[4] == "s") thisFrame.extended = false;
@@ -670,6 +670,9 @@ void MainWindow::handleLoadFile()
         filename = dialog.selectedFiles()[0];
     }
 
+    ui->canFramesView->scrollToTop();
+    model->clearFrames();
+
     if (dialog.selectedNameFilter() == filters[0]) loadCRTDFile(filename);
     if (dialog.selectedNameFilter() == filters[1]) loadNativeCSVFile(filename);
     if (dialog.selectedNameFilter() == filters[2]) loadGenericCSVFile(filename);

mainwindow.h

@@ -14,7 +14,7 @@
 #include "dbchandler.h"
 #include "dbcmaineditor.h"
 
-#define VERSION 107
+#define VERSION 108
 
 namespace Ui {
 class MainWindow;