dtmtec / backbone-nested-attributes Goto Github PK
View Code? Open in Web Editor NEWAdd Rails-like nested attributes support for Backbone.Model.
License: MIT License
Add Rails-like nested attributes support for Backbone.Model.
License: MIT License
I have an orders collection filled with order models. Each order model has a collection of lineitems. I have a Backbone.NestedAttributesModel
for each model (orders, order, lineitems, lineitem), however, the lineitems are not being set as a collection -- it is still just a plain array in the Order Model. Any ideas?
Here are my models:
C.Collections.Orders = Backbone.NestedAttributesModel.extend({
relations: [
{
key: 'order',
relatedModel: function () { return C.Models.Order }
}
],
});
C.Models.Order = Backbone.NestedAttributesModel.extend({
idAttribute: "_id",
relations: [
{
key: 'lineitems',
relatedModel: function () { return C.Collections.LineItems }
}
]
});
C.Collections.LineItems = Backbone.NestedAttributesModel.extend({
relations: [
{
key: 'lineitem',
relatedModel: function () { return C.Models.LineItem }
}
]
});
C.Models.LineItem = Backbone.NestedAttributesModel.extend({
idAttribute: "_id"
});
What do you guys think about bubbling the collection reset event to the model?
invoice.get("items").reset(items)
Fires the pseudo code:
invoice.trigger("change:items")
I am using some form code to create and update a model. This gem has worked great for updating but I need to create a new one and the nested model needs to be blank because the server creates it with an after_save callback.
Does this gem allow for blank nested models or is there something I can do to make that still work?
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Just add a new file bower.json
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"name": "dtmtec/backbone-nested-attributes",
"version": "1.0.0",
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"description": "please add it",
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Example:
Schedule = Backbone.Model.extend({
parse: function (attributes) {
attributes.at = moment(attributes.at);
return attributes;
}
});
Agenda = Backbone.NestedModel.extend({
relations: [
{
type: "one",
key: "schedule",
relatedModel: function () { return Schedule }
}
],
parse: function (attributes) {
attributes.created_at = moment(attributes.created_at);
return attributes;
}
});
new Agenda(window.agenda, { parse: true });
Agenda.prototype.parse
is called but Schedule.prototype.parse
don't.
Do you think that makes sense to propagate the options from the higher model to lower models?
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