Questions tagged [backbone-model]

Models in the Backbone.js library.

Docs

325 questions
0
votes
1 answer

Get the changed "this.model" attribute value

A Backbone.js noob question. The code I'm working with currently looks like this My DataModel Model : define(['jquery', 'underscore', 'backbone'], function($, _, Backbone) { var DataModel = Backbone.Model.extend({ // Defaults attribute…
shabeer90
  • 5,161
  • 4
  • 47
  • 65
0
votes
1 answer

Detecting a model being deleted from a collection backbone

I am working on a backbone app at the moment, and I have hit a bit of wall. I have collection that looks like this, r {length: 3, models: Array[3], _byId: Object, constructor: function, model: function…} _byId: Object _events:…
0
votes
1 answer

Backbone View - not finding the $el, after Model triggers

I am doing a simple validation for my username and password. My Model is here: define(["backbone"], function(Backbone){ var LoginModel = Backbone.Model.extend({ url:'/home', defaults:{ userName:'', …
3gwebtrain
  • 14,640
  • 25
  • 121
  • 247
0
votes
2 answers

Listen to changes periodically in backbone.js

Experience: Newbie I have initialize function like this initialize: function(){ this.listenTo(this.model, "change", this.asyncRender); } I want to listen to changes periodically,like for every 5 sec I want something like…
Sasikanth
  • 3,045
  • 1
  • 22
  • 45
0
votes
1 answer

Backbone possible to merge data?

In a backbone application I am writing I need to combine 2 sets of data into one, I have the following in my initialise function for a view, this.model.set('tasks', new Tasks(this.model.get('item_tasks')), { silent:…
Udders
  • 6,914
  • 24
  • 102
  • 194
0
votes
1 answer

How to cast collections with subcollections in backbone.js

I am trying to retrieve my model from a JSON that has arrays with sub arrays and I am getting crazy. The objects get populated but not with the Models expected. I manage to make those from first level work fine, but the trick doesn't seem to work…
Fabiot
  • 429
  • 1
  • 4
  • 13
0
votes
1 answer

Backbone.js model trigger change only if model.on called again

It's my first post here so please be nice ;) I'm trying to create a Backbone+requireJS sample app and I have stumbled upon a strange problem. In my views initialize function I bind to models change event by this.model.on("change",…
0
votes
1 answer

How to update the view without rerendering on BackboneJs?

I'm trying to do the obvious, update the view on model change (in this case a new one is added). It actually works, but the problem is the whole view gets rerendered when a model is added. The new data is actually not really being appended to the…
0
votes
1 answer

How to sort collections in backboneJs

im learning BackboneJs using the documentation and a book called "Beginning backbone". But I have been stuck at the sorting collections part for hours. Also tried to research but I find the results complicated =/ I know I have to use the comparator,…
user254883
  • 599
  • 1
  • 5
  • 14
0
votes
1 answer

Backbone model is plain text file. How to fetch?

I have a model File which contains a plain text file. For example Github Gists have this url structure: https://gist.githubusercontent.com/140bytes/962807/raw/dfb480a5038214d152544bddb412dfe2e8656413/LICENSE.txt. To do this, should I override…
000
  • 26,951
  • 10
  • 71
  • 101
0
votes
1 answer

backbone.stickit and html-form: How to save (patch) only changed attributes?

tl;dr How to use backbone.stickit with a html form to change an existing model fetched from the server and only PATCH the changed attributes (changed by user input within the html form) to the server? /tl;dr I'm using backbone.stickit in a…
0
votes
1 answer

Updating a variable attribute with backbone's set method

I need to update one attribute of a model after an event has been triggered from the view. I do not know which attribute will have to be updated beforehand. How can I set a variable attribute with backbone's set method? Here is an example set of…
0
votes
2 answers

How to discard/reject an extra attribute in Backbone Model initialize()

I have a problem while initializing a Backbone model with some data coming from Jackson. The received data happens to have a listPropertyValue, which is originally a Java List of objects. When doing the initialize() method I make it a Backbone…
madtyn
  • 1,469
  • 27
  • 55
0
votes
3 answers

Getting specific Backbone.js models from a collection without getting all models first

I'm new to Backbone.js. I'm intrigued by the idea that you can just supply a URL to a collection and then proceed to create, update, delete, and get models from that collection and it handle all the interaction with the API. In the small task…
0
votes
1 answer

Setting 3rd Level Nested Attribute on a Backbone Model

I'm having trouble changing the location $id on this Backbone model. { "approved": null, "caption": "This is my photo!", "created": 1393537913, "location": { "_id": { "$id": 5 }, "address1": "155 West…
ztnark
  • 329
  • 1
  • 2
  • 10