Layer view now has an awesome slider!

LayerView.py

@@ -7,11 +7,14 @@ class LayerView(View):
     def __init__(self):
         super().__init__()
         self._material = None
+        self._num_layers = 
+        self._layer_percentage = 0 #what percentage of layers need to be shown (SLider gives value between 0 - 100)
 
     def beginRendering(self):
         scene = self.getController().getScene()
         renderer = self.getRenderer()
         renderer.setRenderSelection(False)
+        self._num_layers = 0
 
         if not self._material:
             self._material = renderer.createMaterial(Resources.getPath(Resources.ShadersLocation, 'basic.vert'), Resources.getPath(Resources.ShadersLocation, 'vertexcolor.frag'))
@@ -22,11 +25,17 @@ class LayerView(View):
             if not node.render(renderer):
                 if node.getMeshData() and node.isVisible():
                     try:
-                        layerData = node.getMeshData().layerData
+                        layer_data = node.getMeshData().layerData
+                        if self._num_layers < len(layer_data.getLayers()):
+                            self._num_layers = len(layer_data.getLayers())
+                            
                     except AttributeError:
                         continue
 
-                    renderer.queueNode(node, mesh = layerData, material = self._material, mode = Renderer.RenderLines)
+                    renderer.queueNode(node, mesh = layer_data, material = self._material, mode = Renderer.RenderLines)
-
+    
+    def setLayer(self, value):
+        self._layer_percentage = value
+        
     def endRendering(self):
         pass

LayerView.qml

@@ -0,0 +1,35 @@
+import QtQuick 2.2
+import QtQuick.Controls 1.2
+import QtQuick.Layouts 1.1
+import QtQuick.Controls.Styles 1.1
+
+import UM 1.0 as UM
+
+Item 
+{
+    width: 250
+    height: 250
+    /*Rectangle 
+    {
+        color: "blue"
+        width: 250  
+        height:250
+    }*/
+    Slider 
+    {
+        width: 10
+        height: 250
+        anchors.right : parent.right
+        //anchors.fill: parent
+        //Layout.preferredHeight: UM.Theme.sizes.section.height;
+        orientation: Qt.Vertical
+        minimumValue: 0;
+        maximumValue: 100;
+
+        value: 50;
+        onValueChanged: UM.ActiveView.triggerAction("setLayer", value)
+
+        style: UM.Theme.styles.slider;
+        //Component.onCompleted: {console.log(UM.Theme.styles.slider)}
+    }
+}

__init__.py

@@ -7,7 +7,8 @@ def getMetaData():
             "name": "Layer View"
         },
         'view': {
-            'name': 'Layers'
+            'name': 'Layers',
+            'view_panel': 'LayerView.qml'
         }
     }