Userchart: New action to duplicate a series (#4841)

On User Charts

src/Charts/GenericChart.h

@@ -83,6 +83,43 @@ class GenericSeriesInfo {
             color("red"), opacity(100.0), opengl(true), legend(true), datalabels(false), fill(false)
         {}
 
+        GenericSeriesInfo(const GenericSeriesInfo &other) {
+            *this = other;
+        }
+
+        GenericSeriesInfo &operator=(const GenericSeriesInfo &other) {
+            if (this == &other) return *this;
+
+            name = other.name;
+            group = other.group;
+            xseries = other.xseries;
+            yseries = other.yseries;
+            fseries = other.fseries;
+            xname = other.xname;
+            yname = other.yname;
+            labels = other.labels;
+            colors = other.colors;
+            line = other.line;
+            symbol = other.symbol;
+            size = other.size;
+            color = other.color;
+            opacity = other.opacity;
+            opengl = other.opengl;
+            legend = other.legend;
+            datalabels = other.datalabels;
+            fill = other.fill;
+            aggregateby = other.aggregateby;
+            annotations = other.annotations;
+            string1 = other.string1;
+            string2 = other.string2;
+            string3 = other.string3;
+            string4 = other.string4;
+
+            user1 = user2 = user3 = user4 = nullptr;
+
+            return *this;
+        }
+
         // available for use (e.g. UserChartSettings)
         void *user1, *user2, *user3, *user4;
         QString string1, string2, string3, string4;

src/Charts/UserChart.cpp

@@ -869,6 +869,15 @@ UserChartSettings::UserChartSettings(Context *context, bool rangemode, GenericCh
     // custom buttons
     ActionButtonBox *seriesActionButtons = new ActionButtonBox(ActionButtonBox::UpDownGroup | ActionButtonBox::EditGroup | ActionButtonBox::AddDeleteGroup);
     seriesActionButtons->defaultConnect(seriesTable);
+    QPushButton *duplicateButton = seriesActionButtons->addButton(tr("Duplicate"), ActionButtonBox::Right);
+    QModelIndex index = seriesTable->selectionModel()->currentIndex();
+    duplicateButton->setEnabled(index.isValid());
+
+    connect(seriesTable->selectionModel(), &QItemSelectionModel::currentChanged, this, [this, duplicateButton]() {
+        QModelIndex index = this->seriesTable->selectionModel()->currentIndex();
+        duplicateButton->setEnabled(index.isValid());
+    });
+    connect(duplicateButton, &QPushButton::clicked, this, &UserChartSettings::duplicateSeries);
     connect(seriesActionButtons, &ActionButtonBox::editRequested, this, &UserChartSettings::editSeries);
     connect(seriesActionButtons, &ActionButtonBox::addRequested, this, &UserChartSettings::addSeries);
     connect(seriesActionButtons, &ActionButtonBox::deleteRequested, this, &UserChartSettings::deleteSeries);
@@ -1058,6 +1067,33 @@ UserChartSettings::seriesClicked(int row,int)
     }
 }
 
+void
+UserChartSettings::duplicateSeries()
+{
+    QList<QTableWidgetItem*> items = seriesTable->selectedItems();
+    if (items.count() < 1) return;
+    int index = seriesTable->row(items.first());
+    GenericSeriesInfo seriesInfo = seriesinfo[index];
+
+    bool duplicate = false;
+    QString name = seriesInfo.name;
+    int dup = 1;
+    do {
+        duplicate = false;
+        for (const GenericSeriesInfo &info : seriesinfo) {
+            if (info.name == seriesInfo.name) {
+                duplicate = true;
+                seriesInfo.name = name + QString("_%1").arg(dup);
+                ++dup;
+                break;
+            }
+        }
+    } while (duplicate);
+    seriesinfo.append(seriesInfo);
+    refreshSeriesTab();
+    emit chartConfigChanged();
+}
+
 void
 UserChartSettings::editSeries()
 {

src/Charts/UserChart.h

@@ -165,6 +165,7 @@ class UserChartSettings : public QWidget {
 
         // configuration - data series
         void refreshSeriesTab(); // update gui with current config
+        void duplicateSeries();
         void editSeries();
         void seriesClicked(int,int);
         void addSeries();