Metatext

src/components/annotations/draw.js

@@ -209,9 +209,13 @@ function drawRaw(gd, options, index, subplotId, xa, ya) {
 
     var font = options.font;
 
+    var text = fullLayout.meta ?
+        Lib.templateString(options.text, {meta: fullLayout.meta}) :
+        options.text;
+
     var annText = annTextGroupInner.append('text')
         .classed('annotation-text', true)
-        .text(options.text);
+        .text(text);
 
     function textLayout(s) {
         s.call(Drawing.font, font)
@@ -678,6 +682,7 @@ function drawRaw(gd, options, index, subplotId, xa, ya) {
             .call(textLayout)
             .on('edit', function(_text) {
                 options.text = _text;
+
                 this.call(textLayout);
 
                 modifyItem('text', _text);

src/components/titles/index.js

@@ -97,6 +97,10 @@ function draw(gd, titleClass, options) {
         if(!editable) txt = '';
     }
 
+    if(fullLayout.meta) {
+        txt = Lib.templateString(txt, {meta: fullLayout.meta});
+    }
+
     var elShouldExist = txt || editable;
 
     if(!group) {

src/plots/gl3d/layout/convert.js

@@ -6,10 +6,10 @@
 * LICENSE file in the root directory of this source tree.
 */
 
-
 'use strict';
 
 var str2RgbaArray = require('../../../lib/str2rgbarray');
+var Lib = require('../../../lib');
 
 var AXES_NAMES = ['xaxis', 'yaxis', 'zaxis'];
 
@@ -66,7 +66,7 @@ function AxesOptions() {
 
 var proto = AxesOptions.prototype;
 
-proto.merge = function(sceneLayout) {
+proto.merge = function(fullLayout, sceneLayout) {
     var opts = this;
     for(var i = 0; i < 3; ++i) {
         var axes = sceneLayout[AXES_NAMES[i]];
@@ -83,7 +83,10 @@ proto.merge = function(sceneLayout) {
         }
 
         // Axes labels
-        opts.labels[i] = axes.title.text;
+        opts.labels[i] = fullLayout.meta ?
+            Lib.templateString(axes.title.text, {meta: fullLayout.meta}) :
+            axes.title.text;
+
         if('font' in axes.title) {
             if(axes.title.font.color) opts.labelColor[i] = str2RgbaArray(axes.title.font.color);
             if(axes.title.font.family) opts.labelFont[i] = axes.title.font.family;
@@ -151,9 +154,9 @@ proto.merge = function(sceneLayout) {
 };
 
 
-function createAxesOptions(plotlyOptions) {
+function createAxesOptions(fullLayout, sceneLayout) {
     var result = new AxesOptions();
-    result.merge(plotlyOptions);
+    result.merge(fullLayout, sceneLayout);
     return result;
 }
 

src/plots/gl3d/scene.js

@@ -305,7 +305,7 @@ function Scene(options, fullLayout) {
     /*
      * Move this to calc step? Why does it work here?
      */
-    this.axesOptions = createAxesOptions(fullLayout[this.id]);
+    this.axesOptions = createAxesOptions(fullLayout, fullLayout[this.id]);
     this.spikeOptions = createSpikeOptions(fullLayout[this.id]);
     this.container = sceneContainer;
     this.staticMode = !!options.staticPlot;
@@ -406,7 +406,7 @@ proto.plot = function(sceneData, fullLayout, layout) {
     this.fullSceneLayout = fullSceneLayout;
 
     this.glplotLayout = fullSceneLayout;
-    this.axesOptions.merge(fullSceneLayout);
+    this.axesOptions.merge(fullLayout, fullSceneLayout);
     this.spikeOptions.merge(fullSceneLayout);
 
     // Update camera and camera mode

src/plots/layout_attributes.js

@@ -409,6 +409,17 @@ module.exports = {
         },
         editType: 'modebar'
     },
+    meta: {
+        valType: 'data_array',
+        editType: 'plot',
+        description: [
+            'Assigns extra meta information that can be used in various `text` attributes.',
+            'Attributes such as the graph, axis and colorbar `title.text` and annotation `text`',
+            'support `meta`. One can access `meta` fields using template strings:',
+            '`%{meta[i]}` where `i` is the index of the `meta`',
+            'item in question.'
+        ].join(' ')
+    },
     _deprecated: {
         title: {
             valType: 'string',

src/plots/plots.js

@@ -1455,6 +1455,8 @@ plots.supplyLayoutGlobalDefaults = function(layoutIn, layoutOut, formatObj) {
     coerce('modebar.activecolor', Color.addOpacity(modebarDefaultColor, 0.7));
     coerce('modebar.uirevision', uirevision);
 
+    coerce('meta');
+
     Registry.getComponentMethod(
         'calendars',
         'handleDefaults'

src/traces/pie/plot.js

@@ -334,7 +334,11 @@ module.exports = function plot(gd, cdpie) {
                     s.attr('data-notex', 1);
                 });
 
-                titleText.text(trace.title.text)
+                var txt = fullLayout.meta ?
+                    Lib.templateString(trace.title.text, {meta: fullLayout.meta}) :
+                    trace.title.text;
+
+                titleText.text(txt)
                     .attr({
                         'class': 'titletext',
                         transform: '',
@@ -467,16 +471,22 @@ function determineInsideTextFont(trace, pt, layoutFont) {
 }
 
 function prerenderTitles(cdpie, gd) {
+    var fullLayout = gd._fullLayout;
+
     var cd0, trace;
     // Determine the width and height of the title for each pie.
     for(var i = 0; i < cdpie.length; i++) {
         cd0 = cdpie[i][0];
         trace = cd0.trace;
 
         if(trace.title.text) {
+            var txt = fullLayout.meta ?
+                Lib.templateString(trace.title.text, {meta: fullLayout.meta}) :
+                trace.title.text;
+
             var dummyTitle = Drawing.tester.append('text')
               .attr('data-notex', 1)
-              .text(trace.title.text)
+              .text(txt)
               .call(Drawing.font, trace.title.font)
               .call(svgTextUtils.convertToTspans, gd);
             var bBox = Drawing.bBox(dummyTitle.node(), true);

test/image/mocks/layout_metatext.json

@@ -0,0 +1,85 @@
+{
+  "data": [{
+    "y": [1, 2, 1]
+  }, {
+    "type": "scatterpolar",
+    "r": [1, 2, 1]
+  }, {
+    "type": "scatterternary",
+    "a": [2, 1, 1],
+    "b": [1, 2, 1],
+    "c": [1, 1, 2.12]
+  }, {
+    "type": "surface",
+    "z": [[1, 2, 3], [1, 2, 1], [3, 2, 1]],
+    "colorbar": {
+      "title": {"text": "Product %{meta[0]}", "side": "right"},
+      "len": 0.3
+    }
+  }, {
+    "type": "pie",
+    "labels": ["a", "b", "c"],
+    "values": [1, 2, 3],
+    "domain": {"row": 0, "column": 1},
+    "title": {"text": "Employee %{meta[1]}"}
+  }],
+  "layout": {
+    "meta": ["A", "B", "<b>IMPORTANT</b>", "company<sup>TM</sup>", 1000],
+    "grid": {"rows": 3, "columns": 2, "xgap": 0.2, "ygap": 0.35},
+    "width": 700,
+    "height": 800,
+    "margin": {"b": 40},
+    "showlegend": false,
+
+    "title": {"text": "This graph is %{meta[2]}"},
+    "xaxis": {
+      "domain": {"row": 0, "column": 0},
+      "title": {"text": "Worth more than %{meta[4]} %{meta[1]}"}
+    },
+    "yaxis": {
+      "domain": {"row": 0, "column": 0},
+      "title": {"text": "$ by %{meta[3]}"}
+    },
+    "polar": {
+      "bgcolor": "#d3d3d3",
+      "domain": {"row": 1, "column": 0},
+      "radialaxis": {
+        "title": {
+          "text": "%{meta[3]} -> %{meta[4]}",
+          "font": {"color": "red"}
+        }
+      }
+    },
+    "ternary": {
+      "domain": {"row": 2, "column": 0},
+      "aaxis": {"title": {"text": "%{meta[2]}"}},
+      "baxis": {"title": {"text": "%{meta[1]}"}},
+      "caxis": {"title": {"text": "%{meta[4]}"}}
+    },
+    "scene": {
+      "domain": {"row": 1, "column": 1},
+      "camera": {"eye": {"x": 0.01, "y": 0.01, "z": 2.165}},
+      "xaxis": {"title": {"text": "AX:%{meta[1]}"}},
+      "yaxis": {"title": {"text": "AX:%{meta[0]}"}},
+      "zaxis": {"title": {"text": "%{meta[1]}%{meta[0]}"}},
+      "annotations": [{
+        "text": "Look at %{meta[1]}",
+        "bgcolor": "#d3d3d3",
+        "borderpad": 2,
+        "bordercolor": "#000",
+        "borderwidth": "1",
+        "x": 1,
+        "y": 1,
+        "z": 2
+      }]
+    },
+
+    "annotations": [{
+      "text": "<i>N.B.</i> %{meta[2]}",
+      "xref": "x",
+      "yref": "y",
+      "x": 1,
+      "y": 2
+    }]
+  }
+}