backbone.js - How to properly use Marionette layouts? -

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my current code looks this:

define([     'jquery',     'underscore',     'backbone',     'marionette',     'templates',     'gridview',     'detailview',     'detailmodel' ], function ($, _, backbone, marionette, jst, gridview, detailview, detailmodel) {      'use strict';      return  marionette.layout.extend({          el: '#main',          template: jst['app/scripts/templates/main.ejs'],          initialize: function() {             this.render();         },          onrender: function () {             var layout = marionette.layout.extend({                 el: 'div',                  template: _.template(""),                  regions: {                     grid: '#grid',                     detail: '#detail'                 }             });             this.layout = new layout();             this.layout.render();         },          showgrid: function () {             var detailmodel = new detailmodel();              var g = new gridview(detailmodel);             var d = new detailview(detailmodel);              this.layout.grid.show(g);             this.layout.detail.show(d);         }      });  });

what not understand why need layout in onrender method make work. '#grid' , '#detail' divs part of main.ejs template, following not work:

 return  marionette.layout.extend({      el: '#main',      template: jst['app/scripts/templates/main.ejs'],      regions: {         grid: '#grid',         detail: '#detail'     },      initialize: function() {         this.render();     },      onrender: function () {         var detailmodel = new detailmodel();          var g = new gridview(detailmodel);         var d = new detailview(detailmodel);          this.grid.show(g);         this.detail.show(d);     }  });

it seems layout works if elements specified in region object exist when layout created. documentation says not case.

i'm doing wrong. ?

regards roger

in second code example, try using onshow instead of onrender.

in addition, in marionette don't call render yourself, since framework call method when pass view/layouts show method.

you can see different take on you're trying accomplish here :


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