Convert to simplified colorbar logic

Added colorscale mock

src/traces/parcats/index.js

@@ -14,7 +14,11 @@ Parcats.attributes = require('./attributes');
 Parcats.supplyDefaults = require('./defaults');
 Parcats.calc = require('./calc');
 Parcats.plot = require('./plot');
-Parcats.colorbar = require('./colorbar');
+Parcats.colorbar = {
+    container: 'line',
+    min: 'cmin',
+    max: 'cmax'
+};
 
 Parcats.moduleType = 'trace';
 Parcats.name = 'parcats';

test/image/mocks/parcats_colorbar.json

@@ -0,0 +1,24 @@
+{
+  "data": [
+    {"type": "parcats",
+      "domain": {"x": [0.125, 0.625],"y": [0.25, 0.75]},
+      "dimensions":[
+        {"label": "One", "values": [1, 1, 2, 1, 2, 1, 1, 2, 1, 2, 3, 1, 2, 3, 1, 2, 1, 2, 1, 1]},
+        {"label": "Two", "values": ["A", "B", "A", "B", "C", "C", "A", "B", "C", "B", "C", "B", "C", "B", "C", "B", "C", "B", "A", "A"]},
+        {"label": "Three", "values": [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]}],
+      "bundlecolors": true,
+      "line": {
+        "color": [0, 0, 1, 1, 0, 1, 0, 0, 0, 2, 2, 2, 2, 1, 2, 1, 0, 2, 1, 2],
+        "shape": "linear",
+        "showscale": true,
+        "colorscale": "Viridis"
+      }
+    }
+  ],
+  "layout": {
+    "height": 602,
+    "width": 592,
+    "margin": {
+      "l": 40, "r": 40, "t": 50, "b": 40
+    }}
+}