Add execute flag to components

src/components/sliders/attributes.js

@@ -53,6 +53,18 @@ var stepsAttrs = {
             'Sets the value of the slider step, used to refer to the step programatically.',
             'Defaults to the slider label if not provided.'
         ].join(' ')
+    },
+    execute: {
+        valType: 'boolean',
+        role: 'info',
+        dflt: true,
+        description: [
+            'When true, the API method is executed. When false, all other behaviors are the same',
+            'and command execution is skipped. This may be useful when hooking into, for example,',
+            'the `plotly_sliderchange` method and executing the API command manually without losing',
+            'the benefit of the slider automatically binding to the state of the plot through the',
+            'specification of `method` and `args`.'
+        ].join(' ')
     }
 };
 

src/components/sliders/defaults.js

@@ -104,6 +104,7 @@ function stepsDefaults(sliderIn, sliderOut) {
         coerce('args');
         coerce('label', 'step-' + i);
         coerce('value', valueOut.label);
+        coerce('execute');
 
         valuesOut.push(valueOut);
     }

src/components/sliders/draw.js

@@ -409,7 +409,9 @@ function setActive(gd, sliderGroup, sliderOpts, index, doCallback, doTransition)
                 var _step = sliderGroup._nextMethod.step;
                 if(!_step.method) return;
 
-                Plots.executeAPICommand(gd, _step.method, _step.args);
+                if(_step.execute) {
+                    Plots.executeAPICommand(gd, _step.method, _step.args);
+                }
 
                 sliderGroup._nextMethod = null;
                 sliderGroup._nextMethodRaf = null;

src/components/updatemenus/attributes.js

@@ -44,6 +44,18 @@ var buttonsAttrs = {
         role: 'info',
         dflt: '',
         description: 'Sets the text label to appear on the button.'
+    },
+    execute: {
+        valType: 'boolean',
+        role: 'info',
+        dflt: true,
+        description: [
+            'When true, the API method is executed. When false, all other behaviors are the same',
+            'and command execution is skipped. This may be useful when hooking into, for example,',
+            'the `plotly_buttonclicked` method and executing the API command manually without losing',
+            'the benefit of the updatemenu automatically binding to the state of the plot through the',
+            'specification of `method` and `args`.'
+        ].join(' ')
     }
 };
 

src/components/updatemenus/defaults.js

@@ -84,6 +84,7 @@ function buttonsDefaults(menuIn, menuOut) {
 
         coerce('args');
         coerce('label');
+        coerce('execute');
 
         buttonOut._index = i;
         buttonsOut.push(buttonOut);

src/components/updatemenus/draw.js

@@ -331,7 +331,9 @@ function drawButtons(gd, gHeader, gButton, scrollBox, menuOpts) {
 
             setActive(gd, menuOpts, buttonOpts, gHeader, gButton, scrollBox, buttonIndex);
 
-            Plots.executeAPICommand(gd, buttonOpts.method, buttonOpts.args);
+            if(buttonOpts.execute) {
+                Plots.executeAPICommand(gd, buttonOpts.method, buttonOpts.args);
+            }
 
             gd.emit('plotly_buttonclicked', {menu: menuOpts, button: buttonOpts, active: menuOpts.active});
         });

test/image/mocks/sliders.json

@@ -115,7 +115,8 @@
       }, {
         "label": "purple",
         "method": "restyle",
-        "args": [{"marker.color": "purple"}]
+        "args": [{"marker.color": "purple"}],
+        "execute": false
       }],
       "visible": true,
       "x": 0.5,

test/jasmine/tests/sliders_test.js

@@ -99,15 +99,18 @@ describe('sliders defaults', function() {
         expect(layoutOut.sliders[0].steps).toEqual([{
             method: 'relayout',
             label: 'Label #1',
-            value: 'label-1'
+            value: 'label-1',
+            execute: true
         }, {
             method: 'update',
             label: 'Label #2',
-            value: 'Label #2'
+            value: 'Label #2',
+            execute: true
         }, {
             method: 'animate',
             label: 'step-2',
-            value: 'lacks-label'
+            value: 'lacks-label',
+            execute: true
         }]);
     });
 
@@ -131,6 +134,7 @@ describe('sliders defaults', function() {
             args: ['title', 'Hello World'],
             label: 'step-1',
             value: 'step-1',
+            execute: true
         });
     });
 
@@ -155,6 +159,7 @@ describe('sliders defaults', function() {
             args: ['title', 'Hello World'],
             label: 'step-1',
             value: 'step-1',
+            execute: true
         });
     });
 
@@ -175,11 +180,13 @@ describe('sliders defaults', function() {
             method: 'skip',
             label: 'step-0',
             value: 'step-0',
+            execute: true,
         }, {
             method: 'skip',
             args: ['title', 'Hello World'],
             label: 'step-1',
             value: 'step-1',
+            execute: true,
         });
     });
 

test/jasmine/tests/updatemenus_test.js

@@ -111,6 +111,7 @@ describe('update menus defaults', function() {
         expect(layoutOut.updatemenus[0].buttons[0]).toEqual({
             method: 'relayout',
             args: ['title', 'Hello World'],
+            execute: true,
             label: '',
             _index: 1
         });
@@ -135,6 +136,7 @@ describe('update menus defaults', function() {
         expect(layoutOut.updatemenus[0].buttons[0]).toEqual({
             method: 'relayout',
             args: ['title', 'Hello World'],
+            execute: true,
             label: '',
             _index: 1
         });
@@ -156,11 +158,13 @@ describe('update menus defaults', function() {
         expect(layoutOut.updatemenus[0].buttons[0]).toEqual({
             method: 'skip',
             label: '',
+            execute: true,
             _index: 0
         }, {
             method: 'skip',
             args: ['title', 'Hello World'],
             label: '',
+            execute: true,
             _index: 1
         });
     });
@@ -444,6 +448,32 @@ describe('update menus interactions', function() {
         });
     });
 
+    it('should execute the API command when execute = true', function(done) {
+        expect(gd.data[0].line.color).toEqual('blue');
+
+        click(selectHeader(0)).then(function() {
+            return click(selectButton(2));
+        }).then(function() {
+            // Has been changed:
+            expect(gd.data[0].line.color).toEqual('green');
+        }).catch(fail).then(done);
+    });
+
+    it('should not execute the API command when execute = false', function(done) {
+        // This test is identical to the one above, except that it disables
+        // the command by setting execute = false first:
+        expect(gd.data[0].line.color).toEqual('blue');
+
+        Plotly.relayout(gd, 'updatemenus[0].buttons[2].execute', false).then(function() {
+            return click(selectHeader(0));
+        }).then(function() {
+            return click(selectButton(2));
+        }).then(function() {
+            // Is unchanged:
+            expect(gd.data[0].line.color).toEqual('blue');
+        }).catch(fail).then(done);
+    });
+
     it('should emit an event on button click', function(done) {
         var clickCnt = 0;
         var data = [];