Allow LfpDisplayCanvas to save its parameters

Source/Processors/Editors/VisualizerEditor.cpp

@@ -270,6 +270,11 @@ void VisualizerEditor::saveEditorParameters(XmlElement* xml)
         windowButtonState->setAttribute("height",dataWindow->getHeight());
     }
 
+    if (canvas != nullptr)
+    {
+        canvas->saveVisualizerParameters(xml);
+    }
+
 }
 
 void VisualizerEditor::loadEditorParameters(XmlElement* xml)
@@ -302,4 +307,20 @@ void VisualizerEditor::loadEditorParameters(XmlElement* xml)
             
          }
     }
+
+    if (canvas != nullptr)
+    {
+        canvas->loadVisualizerParameters(xml);
+    }
 }
+
+
+void VisualizerEditor::saveVisualizerParameters(XmlElement* xml)
+{
+
+}
+
+void VisualizerEditor::loadVisualizerParameters(XmlElement* xml)
+{
+    
+}
\ No newline at end of file

Source/Processors/Editors/VisualizerEditor.h

@@ -83,6 +83,10 @@ public:
     void saveEditorParameters(XmlElement* xml);
     void loadEditorParameters(XmlElement* xml);
 
+    virtual void saveVisualizerParameters(XmlElement* xml);
+    virtual void loadVisualizerParameters(XmlElement* xml);
+
+
     ScopedPointer<DataWindow> dataWindow;
     ScopedPointer<Visualizer> canvas;
 

Source/Processors/Visualization/LfpDisplayCanvas.cpp

@@ -98,8 +98,8 @@ void LfpDisplayCanvas::resized()
 
     lfpDisplay->setBounds(0,0,getWidth()-scrollBarThickness, lfpDisplay->getTotalHeight());
 
-    rangeSelection->setBounds(100,getHeight()-50,100,25);
-    timebaseSelection->setBounds(300,getHeight()-50,100,25);
+    rangeSelection->setBounds(5,getHeight()-30,100,25);
+    timebaseSelection->setBounds(175,getHeight()-30,100,25);
 
 }
 
@@ -323,9 +323,13 @@ void LfpDisplayCanvas::paint(Graphics& g)
 
     g.drawLine(0,getHeight()-60,getWidth(),getHeight()-60,3.0f);
 
-    // g.setColour(Colours::yellow);
+    g.setFont(Font("Default", 16, Font::plain));
 
-    // g.drawLine(screenBufferIndex, 0, screenBufferIndex, getHeight());
+    g.setColour(Colour(100,100,100));
+
+    g.drawText("Voltage range (uV)",5,getHeight()-55,300,20,Justification::left, false);
+
+    g.drawText("Timebase (s)",175,getHeight()-55,300,20,Justification::left, false);
 
 }
 
@@ -339,6 +343,35 @@ void LfpDisplayCanvas::refresh()
 
 }
 
+void LfpDisplayCanvas::saveVisualizerParameters(XmlElement* xml)
+{
+
+    XmlElement* xmlNode = xml->createNewChildElement("LFPDISPLAY");
+
+    xmlNode->setAttribute("Range",rangeSelection->getSelectedId());
+    xmlNode->setAttribute("Timebase",timebaseSelection->getSelectedId());
+
+    xmlNode->setAttribute("ScrollX",viewport->getViewPositionX());
+    xmlNode->setAttribute("ScrollY",viewport->getViewPositionY());
+}
+
+
+void LfpDisplayCanvas::loadVisualizerParameters(XmlElement* xml)
+{
+    forEachXmlChildElement(*xml, xmlNode)
+    {
+        if (xmlNode->hasTagName("LFPDISPLAY"))
+        {
+            rangeSelection->setSelectedId(xmlNode->getIntAttribute("Range"));
+            timebaseSelection->setSelectedId(xmlNode->getIntAttribute("Timebase"));
+            viewport->setViewPosition(xmlNode->getIntAttribute("ScrollX"),
+                                      xmlNode->getIntAttribute("ScrollY"));
+        }
+    }
+
+}
+
+
 // -------------------------------------------------------------
 
 LfpTimescale::LfpTimescale(LfpDisplayCanvas* c) : canvas(c)
@@ -604,3 +637,5 @@ void LfpChannelDisplay::setColour(Colour c)
 {
     lineColour = c;
 }
+
+

Source/Processors/Visualization/LfpDisplayCanvas.h

@@ -73,6 +73,12 @@ public:
 
     void comboBoxChanged(ComboBox* cb);
 
+    void saveVisualizerParameters(XmlElement* xml);
+
+    void loadVisualizerParameters(XmlElement* xml);
+
+
+
 private:
 
     float sampleRate;

Source/Processors/Visualization/Visualizer.h

@@ -87,6 +87,15 @@ public:
     /** Refresh rate in Hz. */
     float refreshRate;
 
+
+    /** Saves parameters as XML */
+    virtual void saveVisualizerParameters(XmlElement* xml) { }
+
+    /** Loads parameters from XML */
+    virtual void loadVisualizerParameters(XmlElement* xml) { }
+
+
+
 };