Function setActive

src/components/sliders/draw.js:409–450

(gd, sliderGroup, sliderOpts, index, doCallback, doTransition)

}

function setActive(gd, sliderGroup, sliderOpts, index, doCallback, doTransition) {
    var previousActive = sliderOpts.active;
    sliderOpts.active = index;

    // due to templating, it's possible this slider doesn't even exist yet
    arrayEditor(gd.layout, constants.name, sliderOpts)
        .applyUpdate('active', index);

    var step = sliderOpts.steps[sliderOpts.active];

    sliderGroup.call(setGripPosition, sliderOpts, doTransition);
    sliderGroup.call(drawCurrentValue, sliderOpts);

    gd.emit('plotly_sliderchange', {
        slider: sliderOpts,
        step: sliderOpts.steps[sliderOpts.active],
        interaction: doCallback,
        previousActive: previousActive
    });

    if(step && step.method && doCallback) {
        if(sliderGroup._nextMethod) {
            // If we've already queued up an update, just overwrite it with the most recent:
            sliderGroup._nextMethod.step = step;
            sliderGroup._nextMethod.doCallback = doCallback;
            sliderGroup._nextMethod.doTransition = doTransition;
        } else {
            sliderGroup._nextMethod = {step: step, doCallback: doCallback, doTransition: doTransition};
            sliderGroup._nextMethodRaf = window.requestAnimationFrame(function() {
                var _step = sliderGroup._nextMethod.step;
                if(!_step.method) return;

                if(_step.execute) {
                    Plots.executeAPICommand(gd, _step.method, _step.args);
                }

                sliderGroup._nextMethod = null;
                sliderGroup._nextMethodRaf = null;
            });
        }
    }
}

function attachGripEvents(item, gd, sliderGroup) {
    if(gd._context.staticPlot) return;