fix partial ax-range relayout calls for matching axes

... moreovwe, boast relayout perf for non-autorange matching axis
    groups.

Author: etpinard

src/plot_api/plot_api.js

@@ -1932,25 +1932,35 @@ exports.relayout = relayout;
 // Optimization mostly for large splom traces where
 // Plots.supplyDefaults can take > 100ms
 function axRangeSupplyDefaultsByPass(gd, flags, specs) {
-    var k;
+    var fullLayout = gd._fullLayout;
+    var axisMatchGroups = fullLayout._axisMatchGroups || [];
 
     if(!flags.axrange) return false;
 
-    for(k in flags) {
+    for(var k in flags) {
         if(k !== 'axrange' && flags[k]) return false;
     }
 
-    for(k in specs.rangesAltered) {
-        var axName = Axes.id2name(k);
+    for(var axId in specs.rangesAltered) {
+        var axName = Axes.id2name(axId);
         var axIn = gd.layout[axName];
-        var axOut = gd._fullLayout[axName];
+        var axOut = fullLayout[axName];
         axOut.autorange = axIn.autorange;
         axOut.range = axIn.range.slice();
         axOut.cleanRange();
-    }
 
-    // no need to consider matching axes here,
-    // if we keep block in doAutoRangeAndConstraints
+        for(var i = 0; i < axisMatchGroups.length; i++) {
+            var group = axisMatchGroups[i];
+            if(group[axId]) {
+                for(var axId2 in group) {
+                    var ax2 = fullLayout[Axes.id2name(axId2)];
+                    ax2.autorange = axOut.autorange;
+                    ax2.range = axOut.range.slice();
+                    ax2._input.range = axOut.range.slice();
+                }
+            }
+        }
+    }
 
     return true;
 }

src/plot_api/subroutines.js

@@ -710,14 +710,15 @@ exports.doAutoRangeAndConstraints = function(gd) {
 
     enforceAxisConstraints(gd);
 
-    // TODO bypass this when matching axes aren't autoranged?
+    groupLoop:
     for(var j = 0; j < matchGroups.length; j++) {
         var group = matchGroups[j];
         var rng = null;
         var id;
 
         for(id in group) {
             ax = Axes.getFromId(gd, id);
+            if(ax.autorange === false) continue groupLoop;
 
             if(rng) {
                 if(rng[0] < rng[1]) {

test/jasmine/tests/axes_test.js

@@ -1192,6 +1192,66 @@ describe('Test axes', function() {
         });
     });
 
+    describe('matching axes relayout calls', function() {
+        var gd;
+
+        beforeEach(function() {
+            gd = createGraphDiv();
+        });
+
+        afterEach(destroyGraphDiv);
+
+        function assertRanges(msg, exp) {
+            exp.forEach(function(expi) {
+                var axNames = expi[0];
+                var rng = expi[1];
+                var autorng = expi[2];
+
+                axNames.forEach(function(n) {
+                    var msgi = n + ' - ' + msg;
+                    expect(gd._fullLayout[n].range).toBeCloseToArray(rng, 1.5, msgi + ' |range');
+                    expect(gd._fullLayout[n].autorange).toBe(autorng, msgi + ' |autorange');
+                });
+            });
+        }
+
+        it('should auto-range according to all matching trace data', function(done) {
+            Plotly.plot(gd, [
+                { y: [1, 2, 1] },
+                { y: [2, 1, 2, 3], xaxis: 'x2' },
+                { y: [0, 1], xaxis: 'x3' }
+            ], {
+                xaxis: {domain: [0, 0.2]},
+                xaxis2: {matches: 'x', domain: [0.3, 0.6]},
+                xaxis3: {matches: 'x', domain: [0.65, 1]},
+                width: 800,
+                height: 500,
+            })
+            .then(function() {
+                assertRanges('base (autoranged)', [
+                    [['xaxis', 'xaxis2', 'xaxis3'], [-0.245, 3.245], true],
+                    [['yaxis'], [-0.211, 3.211], true]
+                ]);
+            })
+            .then(function() { return Plotly.relayout(gd, 'xaxis.range', [-1, 4]); })
+            .then(function() {
+                assertRanges('set range', [
+                    [['xaxis', 'xaxis2', 'xaxis3'], [-1, 4], false],
+                    [['yaxis'], [-0.211, 3.211], true]
+                ]);
+            })
+            .then(function() { return Plotly.relayout(gd, 'xaxis2.autorange', true); })
+            .then(function() {
+                assertRanges('back to autorange', [
+                    [['xaxis', 'xaxis2', 'xaxis3'], [-0.245, 3.245], true],
+                    [['yaxis'], [-0.211, 3.211], true]
+                ]);
+            })
+            .catch(failTest)
+            .then(done);
+        });
+    });
+
     describe('categoryorder', function() {
 
         var gd;