Presentation layout that zooms like a vertical layout for viewer.js

crocodoc.viewer.layout-presentation-vertical.js

/**
 * @fileoverview layout-presentation-vertical component definition
 * @author lakenen
 */
 
(function () {
    var componentName = 'layout-presentation-vertical';
    var mixins = [
        'layout-' + Crocodoc.LAYOUT_PRESENTATION,
        'layout-' + Crocodoc.LAYOUT_VERTICAL
    ];

    // create a new layout component that requests presentation and vertical layouts as mixins
    Crocodoc.addComponent(componentName, mixins, function (scope, presentation, vertical) {
        // extend presentation layout with some custom functionality
        return presentation.extend({
            // initialize the layout
            init: function () {
                var config = scope.getConfig();
                // reset the layout name to 'presentation'
                config.layout = Crocodoc.LAYOUT_PRESENTATION;
                presentation.init.call(this);
            },

            // override calculateZoomAutoValue behavior to match that of layout 'vertical'
            calculateZoomAutoValue: vertical.calculateZoomAutoValue
        }));
    });
})();