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backbone-modelref
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Backbone-ModelRef.js provides a mechanism to respond to lazy-loaded Backbone.js models.
#Download Latest (0.1.5):
Please see the release notes for upgrade pointers.
###Module Loading
Backbone-ModelRef.js is compatible with Require.js and AMD module loading. Module names:
###Dependencies
class MyView extends Backbone.View
constructor: (@model_ref) ->
super; _.bindAll(this, 'render', 'renderWaiting')
@model_ref.bind('loaded', @render); @model_ref.bind('unloaded', @renderWaiting)
if @model_ref.isLoaded() then @render() else @renderWaiting()
render: -> @is_waiting = false
renderWaiting: -> @is_waiting = true
collection = new MyCollection()
view = new MyView(new Backbone.ModelRef(collection, 'dog')) # view is now rendering in waiting state
collection.add(collection.parse([{id: 'dog'}])) # view is now rendering in loaded state
Backbone.ModelRef: This is the only class! It just wraps a collection and a model id, and tells you when the model is loaded and unloaded.
Function | Backbone.Model | Backbone.ModelRef |
---|---|---|
get(attribute_name) | returns model.get(attribute_name) | returns the model id only and throws an exception otherwise |
model() | returns this | returns its model if it is loaded or null if not |
isLoaded() | returns true | returns true if its model is loaded and false otherwise |
bindLoadingStates( loaded_fn or {loaded:fn, unloaded:fn} ) | loaded function called one time (immediately) and unloaded function never called. No Backbone.Event binding occurs | loaded function called immediately if the model is loaded otherwise they are bound using Backbone.Events 'loaded' and 'unloaded' where each is called when the model is loaded or unloaded, respectively |
unbindLoadingStates( loaded_fn or {loaded:fn, unloaded:fn} ) | ignored | unbinds Backbone.Events 'loaded' and 'unloaded' |
Please look at the provided examples and specs for sample code:
###Installing:
###Commands:
FAQs
Backbone-ModelRef.js provides a mechanism to respond to lazy-loaded Backbone.js models.
The npm package backbone-modelref receives a total of 6 weekly downloads. As such, backbone-modelref popularity was classified as not popular.
We found that backbone-modelref demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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