Add feature to duplicate selected streams to create user defined number of copies

Fixes issue 23

client/ostinato.qrc

@@ -33,6 +33,7 @@
         <file>icons/sound_none.png</file>
         <file>icons/stream_add.png</file>
         <file>icons/stream_delete.png</file>
+        <file>icons/stream_duplicate.png</file>
         <file>icons/stream_edit.png</file>
     </qresource>
 </RCC>

client/port.cpp

@@ -422,6 +422,31 @@ void Port::updateStats(OstProto::PortStats *portStats)
     }
 }
 
+void Port::duplicateStreams(const QList<int> &list, int count)
+{
+    QList<OstProto::Stream> sources;
+    foreach(int index, list) {
+        OstProto::Stream stream;
+        Q_ASSERT(index < mStreams.size());
+        mStreams.at(index)->protoDataCopyInto(stream);
+        sources.append(stream);
+    }
+
+    int insertAt = mStreams.size();
+    for (int i=0; i < count; i++) {
+        for (int j=0; j < sources.size(); j++) {
+            newStreamAt(insertAt, &sources.at(j));
+            // Rename stream by appending the copy count
+            mStreams.at(insertAt)->setName(QString("%1 (%2)")
+                    .arg(mStreams.at(insertAt)->name())
+                    .arg(i+1));
+            insertAt++;
+        }
+    }
+
+    emit streamListChanged(mPortGroupId, mPortId);
+}
+
 bool Port::openStreams(QString fileName, bool append, QString &error)
 {
     bool ret = false; 

client/port.h

@@ -138,6 +138,8 @@ public:
     void recalculateAverageRates();
     void updateStats(OstProto::PortStats *portStats);
 
+    void duplicateStreams(const QList<int> &list, int count);
+
     bool openStreams(QString fileName, bool append, QString &error);
     bool saveStreams(QString fileName, QString fileType, QString &error);
 

client/portswindow.cpp

@@ -60,6 +60,7 @@ PortsWindow::PortsWindow(PortGroupList *pgl, QWidget *parent)
     // Populate StramList Context Menu Actions
     tvStreamList->addAction(actionNew_Stream);
     tvStreamList->addAction(actionEdit_Stream);
+    tvStreamList->addAction(actionDuplicate_Stream);
     tvStreamList->addAction(actionDelete_Stream);
 
     sep = new QAction(this);
@@ -280,7 +281,8 @@ void PortsWindow::updateStreamViewActions()
                 actionEdit_Stream->setEnabled(true);
         }
 
-        // Delete is always enabled as long as we have a selection
+        // Duplicate/Delete are always enabled as long as we have a selection
+        actionDuplicate_Stream->setEnabled(true);
         actionDelete_Stream->setEnabled(true);
     }
     else
@@ -291,6 +293,7 @@ void PortsWindow::updateStreamViewActions()
         else
             actionNew_Stream->setDisabled(true);
         actionEdit_Stream->setDisabled(true);
+        actionDuplicate_Stream->setDisabled(true);
         actionDelete_Stream->setDisabled(true);
     }
     actionOpen_Streams->setEnabled(plm->isPort(
@@ -525,6 +528,30 @@ void PortsWindow::on_actionEdit_Stream_triggered()
     }
 }
 
+void PortsWindow::on_actionDuplicate_Stream_triggered()
+{
+    QItemSelectionModel* model = tvStreamList->selectionModel();
+    QModelIndex current = tvPortList->selectionModel()->currentIndex();
+    qDebug("Duplicate Stream Action");
+
+    if (model->hasSelection())
+    {
+        bool isOk;
+        int count = QInputDialog::getInteger(this, "Duplicate Streams",
+                "Count", 1, 1, 9999, 1, &isOk);
+
+        if (!isOk)
+            return;
+
+        QList<int> list;
+        foreach(QModelIndex index, model->selectedRows())
+            list.append(index.row());
+        plm->port(current).duplicateStreams(list, count);
+    }
+    else
+        qDebug("No selection");
+}
+
 void PortsWindow::on_actionDelete_Stream_triggered()
 {
     qDebug("Delete Stream Action");

client/portswindow.h

@@ -74,6 +74,7 @@ private slots:
 
     void on_actionNew_Stream_triggered();
     void on_actionEdit_Stream_triggered();
+    void on_actionDuplicate_Stream_triggered();
     void on_actionDelete_Stream_triggered();
 
     void on_actionOpen_Streams_triggered();

client/portswindow.ui

@@ -258,6 +258,14 @@
     <string>Port Configuration ...</string>
    </property>
   </action>
+  <action name="actionDuplicate_Stream" >
+   <property name="icon" >
+    <iconset resource="ostinato.qrc" >:/icons/stream_duplicate.png</iconset>
+   </property>
+   <property name="text" >
+    <string>Duplicate Stream</string>
+   </property>
+  </action>
  </widget>
  <resources>
   <include location="ostinato.qrc" />