Rangeslider allow zoom on oppaxis

src/components/rangeslider/constants.js

@@ -31,9 +31,13 @@ module.exports = {
     grabAreaMaxClassName: 'rangeslider-grabarea-max',
     handleMaxClassName: 'rangeslider-handle-max',
 
+    maskMinOppAxisClassName: 'rangeslider-mask-min-opp-axis',
+    maskMaxOppAxisClassName: 'rangeslider-mask-max-opp-axis',
+
     // style constants
 
     maskColor: 'rgba(0,0,0,0.4)',
+    maskOppAxisColor: 'rgba(0,0,0,0.2)',
 
     slideBoxFill: 'transparent',
     slideBoxCursor: 'ew-resize',

src/components/rangeslider/defaults.js

@@ -10,6 +10,8 @@
 
 var Lib = require('../../lib');
 var attributes = require('./attributes');
+var oppAxisAttrs = require('./oppaxis_attributes');
+var axisIds = require('../../plots/cartesian/axis_ids');
 
 module.exports = function handleDefaults(layoutIn, layoutOut, axName) {
     if(!layoutIn[axName].rangeslider) return;
@@ -27,6 +29,10 @@ module.exports = function handleDefaults(layoutIn, layoutOut, axName) {
         return Lib.coerce(containerIn, containerOut, attributes, attr, dflt);
     }
 
+    function coerceRange(rangeContainerIn, rangeContainerOut, attr, dflt) {
+        return Lib.coerce(rangeContainerIn, rangeContainerOut, oppAxisAttrs, attr, dflt);
+    }
+
     var visible = coerce('visible');
     if(!visible) return;
 
@@ -38,6 +44,34 @@ module.exports = function handleDefaults(layoutIn, layoutOut, axName) {
     coerce('autorange', !axOut.isValidRange(containerIn.range));
     coerce('range');
 
+    var subplots = layoutOut._subplots;
+    if(subplots) {
+        var yIds = subplots.cartesian
+            .filter(function(subplotId) {
+                return subplotId.substr(0, subplotId.indexOf('y')) === axisIds.name2id(axName);
+            })
+            .map(function(subplotId) {
+                return subplotId.substr(subplotId.indexOf('y'), subplotId.length);
+            });
+        var yNames = Lib.simpleMap(yIds, axisIds.id2name);
+        for(var i = 0; i < yNames.length; i++) {
+            var yName = yNames[i];
+
+            var rangeContainerIn = containerIn[yName] || {};
+            var rangeContainerOut = containerOut[yName] = {};
+
+            var rangemodeDflt;
+            if(rangeContainerIn.range && layoutOut[yName].isValidRange(rangeContainerIn.range)) {
+                rangemodeDflt = 'fixed';
+            }
+
+            var rangeMode = coerceRange(rangeContainerIn, rangeContainerOut, 'rangemode', rangemodeDflt);
+            if(rangeMode !== 'match') {
+                coerceRange(rangeContainerIn, rangeContainerOut, 'range', layoutOut[yName].range.slice());
+            }
+        }
+    }
+
     // to map back range slider (auto) range
     containerOut._input = containerIn;
 };

src/components/rangeslider/draw.js

@@ -77,7 +77,8 @@ module.exports = function(gd) {
     rangeSliders.each(function(axisOpts) {
         var rangeSlider = d3.select(this),
             opts = axisOpts[constants.name],
-            oppAxisOpts = fullLayout[Axes.id2name(axisOpts.anchor)];
+            oppAxisOpts = fullLayout[Axes.id2name(axisOpts.anchor)],
+            oppAxisRangeOpts = opts[Axes.id2name(axisOpts.anchor)];
 
         // update range
         // Expand slider range to the axis range
@@ -135,21 +136,31 @@ module.exports = function(gd) {
 
         opts._rl = [range0, range1];
 
+        if(oppAxisRangeOpts.rangemode !== 'match') {
+            var range0OppAxis = oppAxisOpts.r2l(oppAxisRangeOpts.range[0]),
+                range1OppAxis = oppAxisOpts.r2l(oppAxisRangeOpts.range[1]),
+                distOppAxis = range1OppAxis - range0OppAxis;
+
+            opts.d2pOppAxis = function(v) {
+                return (v - range0OppAxis) / distOppAxis * opts._height;
+            };
+        }
+
         // update inner nodes
 
         rangeSlider
             .call(drawBg, gd, axisOpts, opts)
             .call(addClipPath, gd, axisOpts, opts)
             .call(drawRangePlot, gd, axisOpts, opts)
-            .call(drawMasks, gd, axisOpts, opts)
+            .call(drawMasks, gd, axisOpts, opts, oppAxisRangeOpts)
             .call(drawSlideBox, gd, axisOpts, opts)
             .call(drawGrabbers, gd, axisOpts, opts);
 
         // setup drag element
         setupDragElement(rangeSlider, gd, axisOpts, opts);
 
         // update current range
-        setPixelRange(rangeSlider, gd, axisOpts, opts);
+        setPixelRange(rangeSlider, gd, axisOpts, opts, oppAxisOpts, oppAxisRangeOpts);
 
         // update margins
 
@@ -265,13 +276,17 @@ function setDataRange(rangeSlider, gd, axisOpts, opts) {
     });
 }
 
-function setPixelRange(rangeSlider, gd, axisOpts, opts) {
+function setPixelRange(rangeSlider, gd, axisOpts, opts, oppAxisOpts, oppAxisRangeOpts) {
     var hw2 = constants.handleWidth / 2;
 
     function clamp(v) {
         return Lib.constrain(v, 0, opts._width);
     }
 
+    function clampOppAxis(v) {
+        return Lib.constrain(v, 0, opts._height);
+    }
+
     function clampHandle(v) {
         return Lib.constrain(v, -hw2, opts._width + hw2);
     }
@@ -290,6 +305,26 @@ function setPixelRange(rangeSlider, gd, axisOpts, opts) {
         .attr('x', pixelMax)
         .attr('width', opts._width - pixelMax);
 
+    if(oppAxisRangeOpts.rangemode !== 'match') {
+        var pixelMinOppAxis = opts._height - clampOppAxis(opts.d2pOppAxis(oppAxisOpts._rl[1])),
+            pixelMaxOppAxis = opts._height - clampOppAxis(opts.d2pOppAxis(oppAxisOpts._rl[0]));
+
+        rangeSlider.select('rect.' + constants.maskMinOppAxisClassName)
+            .attr('x', pixelMin)
+            .attr('height', pixelMinOppAxis)
+            .attr('width', pixelMax - pixelMin);
+
+        rangeSlider.select('rect.' + constants.maskMaxOppAxisClassName)
+            .attr('x', pixelMin)
+            .attr('y', pixelMaxOppAxis)
+            .attr('height', opts._height - pixelMaxOppAxis)
+            .attr('width', pixelMax - pixelMin);
+
+        rangeSlider.select('rect.' + constants.slideBoxClassName)
+            .attr('y', pixelMinOppAxis)
+            .attr('height', pixelMaxOppAxis - pixelMinOppAxis);
+    }
+
     // add offset for crispier corners
     // https://github.com/plotly/plotly.js/pull/1409
     var offset = 0.5;
@@ -372,7 +407,8 @@ function drawRangePlot(rangeSlider, gd, axisOpts, opts) {
             isMainPlot = (i === 0);
 
         var oppAxisOpts = Axes.getFromId(gd, id, 'y'),
-            oppAxisName = oppAxisOpts._name;
+            oppAxisName = oppAxisOpts._name,
+            oppAxisRangeOpts = opts[oppAxisName];
 
         var mockFigure = {
             data: [],
@@ -393,7 +429,7 @@ function drawRangePlot(rangeSlider, gd, axisOpts, opts) {
         mockFigure.layout[oppAxisName] = {
             type: oppAxisOpts.type,
             domain: [0, 1],
-            range: oppAxisOpts.range.slice(),
+            range: oppAxisRangeOpts.rangemode !== 'match' ? oppAxisRangeOpts.range.slice() : oppAxisOpts.range.slice(),
             calendar: oppAxisOpts.calendar
         };
 
@@ -434,7 +470,7 @@ function filterRangePlotCalcData(calcData, subplotId) {
     return out;
 }
 
-function drawMasks(rangeSlider, gd, axisOpts, opts) {
+function drawMasks(rangeSlider, gd, axisOpts, opts, oppAxisRangeOpts) {
     var maskMin = rangeSlider.selectAll('rect.' + constants.maskMinClassName)
         .data([0]);
 
@@ -458,6 +494,34 @@ function drawMasks(rangeSlider, gd, axisOpts, opts) {
     maskMax
         .attr('height', opts._height)
         .call(Color.fill, constants.maskColor);
+
+    // masks used for oppAxis zoom
+    if(oppAxisRangeOpts.rangemode !== 'match') {
+        var maskMinOppAxis = rangeSlider.selectAll('rect.' + constants.maskMinOppAxisClassName)
+            .data([0]);
+
+        maskMinOppAxis.enter().append('rect')
+            .classed(constants.maskMinOppAxisClassName, true)
+            .attr('y', 0)
+            .attr('shape-rendering', 'crispEdges');
+
+        maskMinOppAxis
+            .attr('width', opts._width)
+            .call(Color.fill, constants.maskOppAxisColor);
+
+        var maskMaxOppAxis = rangeSlider.selectAll('rect.' + constants.maskMaxOppAxisClassName)
+            .data([0]);
+
+        maskMaxOppAxis.enter().append('rect')
+            .classed(constants.maskMaxOppAxisClassName, true)
+            .attr('y', 0)
+            .attr('shape-rendering', 'crispEdges');
+
+        maskMaxOppAxis
+            .attr('width', opts._width)
+            .style('border-top', constants.maskOppBorder)
+            .call(Color.fill, constants.maskOppAxisColor);
+    }
 }
 
 function drawSlideBox(rangeSlider, gd, axisOpts, opts) {

src/components/rangeslider/index.js

@@ -8,13 +8,21 @@
 
 'use strict';
 
+var Lib = require('../../lib');
+var attrs = require('./attributes');
+var oppAxisAttrs = require('./oppaxis_attributes');
+
 module.exports = {
     moduleType: 'component',
     name: 'rangeslider',
 
     schema: {
         subplots: {
-            xaxis: {rangeslider: require('./attributes')}
+            xaxis: {
+                rangeslider: Lib.extendFlat({}, attrs, {
+                    yaxis: oppAxisAttrs
+                })
+            }
         }
     },
 

src/components/rangeslider/oppaxis_attributes.js

@@ -0,0 +1,45 @@
+/**
+* Copyright 2012-2018, Plotly, Inc.
+* All rights reserved.
+*
+* This source code is licensed under the MIT license found in the
+* LICENSE file in the root directory of this source tree.
+*/
+
+'use strict';
+
+module.exports = {
+    // not really a 'subplot' attribute container,
+    // but this is the flag we use to denote attributes that
+    // support yaxis, yaxis2, yaxis3, ... counters
+    _isSubplotObj: true,
+
+    rangemode: {
+        valType: 'enumerated',
+        values: ['auto', 'fixed', 'match'],
+        dflt: 'match',
+        role: 'style',
+        editType: 'calc',
+        description: [
+            'Determines whether or not the range of this axis in',
+            'the rangeslider use the same value than in the main plot',
+            'when zooming in/out.',
+            'If *auto*, the autorange will be used.',
+            'If *fixed*, the `range` is used.',
+            'If *match*, the current range of the corresponding y-axis on the main subplot is used.'
+        ].join(' ')
+    },
+    range: {
+        valType: 'info_array',
+        role: 'style',
+        items: [
+            {valType: 'any', editType: 'plot'},
+            {valType: 'any', editType: 'plot'}
+        ],
+        editType: 'calc',
+        description: [
+            'Sets the range of this axis for the rangeslider.'
+        ].join(' ')
+    },
+    editType: 'calc'
+};

src/plots/cartesian/autorange.js

@@ -174,10 +174,11 @@ function makePadFn(ax) {
 }
 
 function doAutoRange(ax) {
-    ax.setScale();
+    if(!ax._length) ax.setScale();
 
     // TODO do we really need this?
     var hasDeps = (ax._min && ax._max && ax._min.length && ax._max.length);
+    var axIn;
 
     if(ax.autorange && hasDeps) {
         ax.range = getAutoRange(ax);
@@ -188,10 +189,25 @@ function doAutoRange(ax) {
         // doAutoRange will get called on fullLayout,
         // but we want to report its results back to layout
 
-        var axIn = ax._input;
+        axIn = ax._input;
         axIn.range = ax.range.slice();
         axIn.autorange = ax.autorange;
     }
+
+    if(ax._anchorAxis && ax._anchorAxis.rangeslider) {
+        var axeRangeOpts = ax._anchorAxis.rangeslider[ax._name];
+        if(axeRangeOpts) {
+            if(axeRangeOpts.rangemode === 'auto') {
+                if(hasDeps) {
+                    axeRangeOpts.range = getAutoRange(ax);
+                } else {
+                    axeRangeOpts.range = ax._rangeInitial ? ax._rangeInitial.slice() : ax.range.slice();
+                }
+            }
+        }
+        axIn = ax._anchorAxis._input;
+        axIn.rangeslider[ax._name] = Lib.extendFlat({}, axeRangeOpts);
+    }
 }
 
 function needsAutorange(ax) {

test/jasmine/tests/plotschema_test.js

@@ -126,9 +126,15 @@ describe('plot schema', function() {
     });
 
     it('all subplot objects should contain _isSubplotObj', function() {
-        var IS_SUBPLOT_OBJ = '_isSubplotObj',
-            astrs = ['xaxis', 'yaxis', 'scene', 'geo', 'ternary', 'mapbox', 'polar'],
-            cnt = 0;
+        var IS_SUBPLOT_OBJ = '_isSubplotObj';
+        var cnt = 0;
+
+        var astrs = [
+            'xaxis', 'yaxis', 'scene', 'geo', 'ternary', 'mapbox', 'polar',
+            // not really a 'subplot' object but supports yaxis, yaxis2, yaxis3,
+            // ... counters, so list it here
+            'xaxis.rangeslider.yaxis'
+        ];
 
         // check if the subplot objects have '_isSubplotObj'
         astrs.forEach(function(astr) {