Fix rangeslider titles with stacked y axes

src/components/rangeslider/draw.js

@@ -16,6 +16,7 @@ var Plots = require('../../plots/plots');
 var Lib = require('../../lib');
 var Drawing = require('../drawing');
 var Color = require('../color');
+var Titles = require('../titles');
 
 var Cartesian = require('../../plots/cartesian');
 var Axes = require('../../plots/cartesian/axes');
@@ -76,8 +77,7 @@ module.exports = function(gd) {
     // for all present range sliders
     rangeSliders.each(function(axisOpts) {
         var rangeSlider = d3.select(this),
-            opts = axisOpts[constants.name],
-            oppAxisOpts = fullLayout[Axes.id2name(axisOpts.anchor)];
+            opts = axisOpts[constants.name];
 
         // update range
         // Expand slider range to the axis range
@@ -96,11 +96,17 @@ module.exports = function(gd) {
 
         // update range slider dimensions
 
-        var margin = fullLayout.margin,
-            graphSize = fullLayout._size,
-            domain = axisOpts.domain,
-            oppDomain = oppAxisOpts.domain,
-            tickHeight = (axisOpts._boundingBox || {}).height || 0;
+        var margin = fullLayout.margin;
+        var graphSize = fullLayout._size;
+        var domain = axisOpts.domain;
+        var tickHeight = (axisOpts._boundingBox || {}).height || 0;
+
+        var oppBottom = Infinity;
+        var subplotData = Axes.getSubplots(gd, axisOpts);
+        for(var i = 0; i < subplotData.length; i++) {
+            var oppAxis = Axes.getFromId(gd, subplotData[i].substr(subplotData[i].indexOf('y')));
+            oppBottom = Math.min(oppBottom, oppAxis.domain[0]);
+        }
 
         opts._id = constants.name + axisOpts._id;
         opts._clipId = opts._id + '-' + fullLayout._uid;
@@ -112,7 +118,7 @@ module.exports = function(gd) {
         var x = Math.round(margin.l + (graphSize.w * domain[0]));
 
         var y = Math.round(
-            margin.t + graphSize.h * (1 - oppDomain[0]) +
+            graphSize.t + graphSize.h * (1 - oppBottom) +
             tickHeight +
             opts._offsetShift + constants.extraPad
         );
@@ -151,18 +157,31 @@ module.exports = function(gd) {
         // update current range
         setPixelRange(rangeSlider, gd, axisOpts, opts);
 
-        // update margins
+        // title goes next to range slider instead of tick labels, so
+        // just take it over and draw it from here
+        if(axisOpts.side === 'bottom') {
+            Titles.draw(gd, axisOpts._id + 'title', {
+                propContainer: axisOpts,
+                propName: axisOpts._name + '.title',
+                placeholder: fullLayout._dfltTitle.x,
+                attributes: {
+                    x: axisOpts._offset + axisOpts._length / 2,
+                    y: y + opts._height + opts._offsetShift + 10 + 1.5 * axisOpts.titlefont.size,
+                    'text-anchor': 'middle'
+                }
+            });
+        }
 
+        // update margins
         Plots.autoMargin(gd, opts._id, {
             x: domain[0],
-            y: oppDomain[0],
+            y: oppBottom,
             l: 0,
             r: 0,
             t: 0,
             b: opts._height + margin.b + tickHeight,
             pad: constants.extraPad + opts._offsetShift * 2
         });
-
     });
 };
 

src/components/titles/index.js

@@ -20,7 +20,9 @@ var Color = require('../color');
 var svgTextUtils = require('../../lib/svg_text_utils');
 var interactConstants = require('../../constants/interactions');
 
-var Titles = module.exports = {};
+module.exports = {
+    draw: draw
+};
 
 var numStripRE = / [XY][0-9]* /;
 
@@ -54,7 +56,7 @@ var numStripRE = / [XY][0-9]* /;
  *
  *  @return {selection} d3 selection of title container group
  */
-Titles.draw = function(gd, titleClass, options) {
+function draw(gd, titleClass, options) {
     var cont = options.propContainer;
     var prop = options.propName;
     var placeholder = options.placeholder;
@@ -255,4 +257,4 @@ Titles.draw = function(gd, titleClass, options) {
     el.classed('js-placeholder', isplaceholder);
 
     return group;
-};
+}

src/plots/cartesian/axes.js

@@ -2008,20 +2008,23 @@ axes.doTicks = function(gd, axid, skipTitle) {
         // now this only applies to regular cartesian axes; colorbars and
         // others ALWAYS call doTicks with skipTitle=true so they can
         // configure their own titles.
-        var ax = axisIds.getFromId(gd, axid),
-            avoidSelection = d3.select(gd).selectAll('g.' + axid + 'tick'),
-            avoid = {
-                selection: avoidSelection,
-                side: ax.side
-            },
-            axLetter = axid.charAt(0),
-            gs = gd._fullLayout._size,
-            offsetBase = 1.5,
-            fontSize = ax.titlefont.size,
-            transform,
-            counterAxis,
-            x,
-            y;
+        var ax = axisIds.getFromId(gd, axid);
+
+        // rangeslider takes over a bottom title so drop it here
+        if(ax.rangeslider && ax.rangeslider.visible && ax._boundingBox && ax.side === 'bottom') return;
+
+        var avoidSelection = d3.select(gd).selectAll('g.' + axid + 'tick');
+        var avoid = {
+            selection: avoidSelection,
+            side: ax.side
+        };
+        var axLetter = axid.charAt(0);
+        var gs = gd._fullLayout._size;
+        var offsetBase = 1.5;
+        var fontSize = ax.titlefont.size;
+
+        var transform, counterAxis, x, y;
+
         if(avoidSelection.size()) {
             var translation = Drawing.getTranslate(avoidSelection.node().parentNode);
             avoid.offsetLeft = translation.x;
@@ -2037,6 +2040,7 @@ axes.doTicks = function(gd, axid, skipTitle) {
                 axisIds.getFromId(gd, ax.anchor);
 
             x = ax._offset + ax._length / 2;
+
             if(ax.side === 'top') {
                 y = -titleStandoff - fontSize * (ax.showticklabels ? 1 : 0);
             }
@@ -2046,11 +2050,6 @@ axes.doTicks = function(gd, axid, skipTitle) {
             }
             y += counterAxis._offset;
 
-            if(ax.rangeslider && ax.rangeslider.visible && ax._boundingBox) {
-                y += (fullLayout.height - fullLayout.margin.b - fullLayout.margin.t) *
-                    ax.rangeslider.thickness + ax._boundingBox.height;
-            }
-
             if(!avoid.side) avoid.side = 'bottom';
         }
         else {

src/plots/cartesian/index.js

@@ -88,11 +88,9 @@ exports.finalizeSubplots = function(layoutIn, layoutOut) {
     // so if there are NO subplots at all, make one from the first
     // x & y axes in the input layout
     if(!spAll.length) {
-        var keys = Object.keys(layoutIn);
         xi = '';
         yi = '';
-        for(i = 0; i < keys.length; i++) {
-            var ki = keys[i];
+        for(var ki in layoutIn) {
             if(constants.attrRegex.test(ki)) {
                 var axLetter = ki.charAt(0);
                 if(axLetter === 'x') {

src/plots/plots.js

@@ -701,11 +701,6 @@ plots.linkSubplots = function(newFullData, newFullLayout, oldFullData, oldFullLa
 
     var i, j, id, ax;
 
-    // sort subplot lists
-    for(var subplotType in newSubplotList) {
-        newSubplotList[subplotType].sort(Lib.subplotSort);
-    }
-
     for(i = 0; i < ids.length; i++) {
         id = ids[i];
         var oldSubplot = oldSubplots[id];
@@ -1390,6 +1385,11 @@ plots.supplyLayoutModuleDefaults = function(layoutIn, layoutOut, fullData, trans
         Cartesian.finalizeSubplots(layoutIn, layoutOut);
     }
 
+    // sort subplot lists
+    for(var subplotType in layoutOut._subplots) {
+        layoutOut._subplots[subplotType].sort(Lib.subplotSort);
+    }
+
     // base plot module layout defaults
     for(i = 0; i < basePlotModules.length; i++) {
         _module = basePlotModules[i];

test/image/mocks/range_slider_axes_stacked.json

@@ -0,0 +1,11 @@
+{
+  "data": [
+    {"y": [1, 2, 3], "yaxis": "y2"},
+    {"fill": "tozeroy", "y": [30, 20, 10]}
+  ],
+  "layout": {
+    "xaxis": {"rangeslider": {}, "title": "x"},
+    "yaxis": {"title": "y", "domain": [0, 0.25]},
+    "yaxis2": {"title": "y2", "domain": [ 0.3, 1]}
+  }
+}

test/image/mocks/range_slider_multiple.json

@@ -20,14 +20,17 @@
     "xaxis": {
       "domain": [ 0, 0.45 ],
       "range": [ 1, 2 ],
-      "rangeslider": {}
+      "rangeslider": {},
+      "title": "X",
+      "side": "top"
     },
     "xaxis2": {
       "anchor": "y2",
       "domain": [ 0.55, 1 ],
       "rangeslider": {
         "range": [ -2, 4 ]
-      }
+      },
+      "title": "X2"
     },
     "yaxis": {
       "domain": [ 0.3, 0.8 ],