fixed waterfall attributes

src/traces/waterfall/attributes.js

@@ -5,6 +5,7 @@ var lineAttrs = require('../scatter/attributes').line;
 var baseAttrs = require('../../plots/attributes');
 var axisHoverFormat = require('../../plots/cartesian/axis_format_attributes').axisHoverFormat;
 var hovertemplateAttrs = require('../../plots/template_attributes').hovertemplateAttrs;
+var tooltiptemplateAttrs = require('../../plots/template_attributes').tooltiptemplateAttrs;
 var texttemplateAttrs = require('../../plots/template_attributes').texttemplateAttrs;
 var constants = require('./constants');
 var extendFlat = require('../../lib/extend').extendFlat;
@@ -87,7 +88,9 @@ module.exports = {
     }),
 
     tooltip: barAttrs.tooltip,
-    tooltiptemplate: barAttrs.tooltiptemplate,
+    tooltiptemplate: extendFlat({}, tooltiptemplateAttrs({}, {
+        keys: constants.eventDataKeys
+    }), {dflt: 'initial: %{initial}<br>delta: %{delta}<br>final: %{final}'}),
 
     textinfo: {
         valType: 'flaglist',

src/traces/waterfall/defaults.js

@@ -47,6 +47,9 @@ function supplyDefaults(traceIn, traceOut, defaultColor, layout) {
     coerce('hovertext');
     coerce('hovertemplate');
 
+    coerce('tooltip');
+    coerce('tooltiptemplate');
+
     var textposition = coerce('textposition');
     handleText(traceIn, traceOut, layout, coerce, textposition, {
         moduleHasSelected: false,

test/image/mocks/tooltip_tooltiptemplate_waterfall-grouping-vs-defaults.json

@@ -0,0 +1,84 @@
+{
+  "data": [
+    {
+      "type": "waterfall",
+      "y": [ 1, -2, 1 ],
+      "yaxis": "y2",
+      "tooltiptemplate": "x: %{x}<br>y: %{y}<br>initial: %{initial}<br>delta: %{delta}<br>final: %{final}",
+      "tooltip": {"arrowcolor": "blue"}
+    },
+    {
+      "type": "waterfall",
+      "y": [ 2, -1, 2 ],
+      "tooltiptemplate": "x: %{x}<br>y: %{y}<br>delta: %{delta}",
+      "tooltip": {"arrowcolor": "blue"}
+    },
+    {
+      "type": "waterfall",
+      "y": [ 1, -3, 0 ],
+      "tooltiptemplate": "x: %{x}<br>y: %{y}<br>delta: %{delta}",
+      "tooltip": {"arrowcolor": "blue"}
+    },
+    {
+      "type": "waterfall",
+      "y": [ 1, -2, 1 ],
+      "alignmentgroup": "top",
+      "hovertext": "alignmentgroup: top",
+      "xaxis": "x2",
+      "yaxis": "y2",
+      "tooltiptemplate": "x: %{x}<br>y: %{y}<br>delta: %{delta}",
+      "tooltip": {"arrowcolor": "blue"}
+    },
+    {
+      "type": "waterfall",
+      "y": [ 2, -1, 2 ],
+      "hovertext": "alignmentgroup: top<br>offsetgroup: 1",
+      "alignmentgroup": "bottom",
+      "offsetgroup": "1",
+      "xaxis": "x2",
+      "tooltiptemplate": "x: %{x}<br>y: %{y}<br>delta: %{delta}",
+      "tooltip": {"arrowcolor": "blue"}
+    },
+    {
+      "type": "waterfall",
+      "y": [ 1, -3, 0 ],
+      "hovertext": "alignmentgroup: top<br>offsetgroup: 2",
+      "alignmentgroup": "bottom",
+      "offsetgroup": "2",
+      "xaxis": "x2",
+      "tooltiptemplate": "x: %{x}<br>y: %{y}<br>delta: %{delta}",
+      "tooltip": {"arrowcolor": "blue"}
+    }
+  ],
+  "layout": {
+    "showlegend": false,
+    "grid": {
+      "rows": 2,
+      "columns": 2,
+      "roworder": "bottom to top"
+    },
+    "colorway": [ "blue", "orange", "green" ],
+    "margin": { "t": 20 },
+    "xaxis": {
+      "title": {
+        "text": "no alignmentgroup<br>no offsetgroup"
+      }
+    },
+    "xaxis2": {
+      "title": {
+        "text": "with alignmentgroup<br>with offsetgroup"
+      }
+    }
+  },
+  "config": {
+    "editable": true,
+    "modeBarButtonsToAdd": [
+       "tooltip",
+       "hoverclosest",
+       "hovercompare",
+       "togglespikelines"
+    ],
+    "displaylogo": false,
+    "displayModeBar": true
+  }
+}