Show material cost in Job Specs area...

...if weight/price information is available

cura/PrintInformation.py

@@ -12,6 +12,7 @@ import cura.Settings.ExtruderManager
 import math
 import os.path
 import unicodedata
+import json
 
 ##  A class for processing and calculating minimum, current and maximum print time as well as managing the job name
 #
@@ -48,6 +49,7 @@ class PrintInformation(QObject):
 
         self._material_lengths = []
         self._material_weights = []
+        self._material_costs = []
 
         self._backend = Application.getInstance().getBackend()
         if self._backend:
@@ -77,6 +79,12 @@ class PrintInformation(QObject):
     def materialWeights(self):
         return self._material_weights
 
+    materialCostsChanged = pyqtSignal()
+
+    @pyqtProperty("QVariantList", notify = materialCostsChanged)
+    def materialCosts(self):
+        return self._material_costs
+
     def _onPrintDurationMessage(self, total_time, material_amounts):
         self._current_print_time.setDuration(total_time)
         self.currentPrintTimeChanged.emit()
@@ -85,20 +93,40 @@ class PrintInformation(QObject):
         r = Application.getInstance().getGlobalContainerStack().getProperty("material_diameter", "value") / 2
         self._material_lengths = []
         self._material_weights = []
+        self._material_costs = []
+
+        material_preference_values = json.loads(Preferences.getInstance().getValue("cura/material_settings"))
+
         extruder_stacks = list(cura.Settings.ExtruderManager.getInstance().getMachineExtruders(Application.getInstance().getGlobalContainerStack().getId()))
         for index, amount in enumerate(material_amounts):
             ## Find the right extruder stack. As the list isn't sorted because it's a annoying generator, we do some
             #  list comprehension filtering to solve this for us.
+            material = None
             if extruder_stacks:  # Multi extrusion machine
                 extruder_stack = [extruder for extruder in extruder_stacks if extruder.getMetaDataEntry("position") == str(index)][0]
                 density = extruder_stack.getMetaDataEntry("properties", {}).get("density", 0)
+                material = extruder_stack.findContainer({"type": "material"})
             else:  # Machine with no extruder stacks
                 density = Application.getInstance().getGlobalContainerStack().getMetaDataEntry("properties", {}).get("density", 0)
+                material = Application.getInstance().getGlobalContainerStack().findContainer({"type": "material"})
 
-            self._material_weights.append(float(amount) * float(density) / 1000)
+            weight = float(amount) * float(density) / 1000
+            cost = 0
+            if material:
+                material_guid = material.getMetaDataEntry("GUID")
+                if material_guid in material_preference_values:
+                    weight_per_spool = float(material_preference_values[material_guid]["spool_weight"])
+                    cost_per_spool = float(material_preference_values[material_guid]["spool_cost"])
+
+                    cost = cost_per_spool * weight / weight_per_spool
+
+            self._material_weights.append(weight)
             self._material_lengths.append(round((amount / (math.pi * r ** 2)) / 1000, 2))
+            self._material_costs.append(cost)
+
         self.materialLengthsChanged.emit()
         self.materialWeightsChanged.emit()
+        self.materialCostsChanged.emit()
 
     @pyqtSlot(str)
     def setJobName(self, name):

resources/qml/JobSpecs.qml

@@ -26,6 +26,7 @@ Rectangle {
     property variant printDuration: PrintInformation.currentPrintTime
     property variant printMaterialLengths: PrintInformation.materialLengths
     property variant printMaterialWeights: PrintInformation.materialWeights
+    property variant printMaterialCosts: PrintInformation.materialCosts
 
     height: childrenRect.height
     color: "transparent"
@@ -133,7 +134,8 @@ Rectangle {
         }
     }
 
-    Label{
+    Label
+    {
         id: boundingSpec
         anchors.top: jobNameRow.bottom
         anchors.right: parent.right
@@ -144,17 +146,20 @@ Rectangle {
         text: Printer.getSceneBoundingBoxString
     }
 
-    Rectangle {
+    Rectangle
+    {
         id: specsRow
         anchors.top: boundingSpec.bottom
         anchors.right: parent.right
         height: UM.Theme.getSize("jobspecs_line").height
 
-        Item{
+        Item
+        {
             width: parent.width
             height: parent.height
 
-            UM.RecolorImage {
+            UM.RecolorImage
+            {
                 id: timeIcon
                 anchors.right: timeSpec.left
                 anchors.rightMargin: UM.Theme.getSize("default_margin").width/2
@@ -166,7 +171,8 @@ Rectangle {
                 color: UM.Theme.getColor("text_subtext")
                 source: UM.Theme.getIcon("print_time")
             }
-            Label{
+            Label
+            {
                 id: timeSpec
                 anchors.right: lengthIcon.left
                 anchors.rightMargin: UM.Theme.getSize("default_margin").width
@@ -175,7 +181,8 @@ Rectangle {
                 color: UM.Theme.getColor("text_subtext")
                 text: (!base.printDuration || !base.printDuration.valid) ? catalog.i18nc("@label", "00h 00min") : base.printDuration.getDisplayString(UM.DurationFormat.Short)
             }
-            UM.RecolorImage {
+            UM.RecolorImage
+            {
                 id: lengthIcon
                 anchors.right: lengthSpec.left
                 anchors.rightMargin: UM.Theme.getSize("default_margin").width/2
@@ -187,7 +194,8 @@ Rectangle {
                 color: UM.Theme.getColor("text_subtext")
                 source: UM.Theme.getIcon("category_material")
             }
-            Label{
+            Label
+            {
                 id: lengthSpec
                 anchors.right: parent.right
                 anchors.verticalCenter: parent.verticalCenter
@@ -197,19 +205,38 @@ Rectangle {
                 {
                     var lengths = [];
                     var weights = [];
+                    var costs = [];
+                    var someCostsKnown = false;
                     if(base.printMaterialLengths) {
-                        for(var index = 0; index < base.printMaterialLengths.length; index++) {
+                        for(var index = 0; index < base.printMaterialLengths.length; index++)
-                            if(base.printMaterialLengths[index] > 0) {
+                        {
+                            if(base.printMaterialLengths[index] > 0)
+                            {
                                 lengths.push(base.printMaterialLengths[index].toFixed(2));
                                 weights.push(String(Math.floor(base.printMaterialWeights[index])));
+                                costs.push(base.printMaterialCosts[index].toFixed(2));
+                                if(base.printMaterialCosts[index] > 0)
+                                {
+                                    someCostsKnown = true;
+                                }
                             }
                         }
                     }
-                    if(lengths.length == 0) {
+                    if(lengths.length == 0)
+                    {
                         lengths = ["0.00"];
                         weights = ["0"];
+                        costs = ["0.00"];
+                    }
+                    if(someCostsKnown)
+                    {
+                        return catalog.i18nc("@label", "%1 m / ~ %2 g / ~ %4 %3").arg(lengths.join(" + "))
+                                .arg(weights.join(" + ")).arg(costs.join(" + ")).arg(UM.Preferences.getValue("cura/currency"));
+                    }
+                    else
+                    {
+                        return catalog.i18nc("@label", "%1 m / ~ %2 g").arg(lengths.join(" + ")).arg(weights.join(" + "));
                     }
-                    return catalog.i18nc("@label", "%1 m / ~ %2 g").arg(lengths.join(" + ")).arg(weights.join(" + "));
                 }
             }
         }