Sha256: 14630877690f3d6301011f49e29331b18b1e5e3644c9ff222ae311293b2284bc
Contents?: true
Size: 1.46 KB
Versions: 9
Compression:
Stored size: 1.46 KB
Contents
pageflow.SubsetCollection = Backbone.Collection.extend({
constructor: function(options) {
var adding = false;
options = options || {};
this.filter = options.filter || function(item) { return true; };
this.parent = options.parent;
this.parentModel = options.parentModel;
delete options.filter;
delete options.parent;
this.model = this.parent.model;
this.comparator = options.comparator || this.parent.comparator;
this.listenTo(this.parent, 'add', function(model, collection, options) {
if (!adding && this.filter(model)) {
this.add(model, options);
}
});
this.listenTo(this.parent, 'remove', function(model) {
this.remove(model);
});
this.listenTo(this, 'add', function(model, collection, options) {
adding = true;
this.parent.add(model);
adding = false;
});
if (options.watchAttribute) {
this.listenTo(this.parent, 'change:' + options.watchAttribute, function(model) {
if (this.filter(model)) {
this.add(model);
}
else {
this.remove(model);
}
});
}
this.listenTo(this, 'sort', function() {
this.parent.sort();
});
Backbone.Collection.prototype.constructor.call(this, this.parent.filter(this.filter), options);
},
clear: function() {
this.parent.remove(this.models);
this.reset();
},
url: function() {
return this.parentModel.url() + _.result(this.parent, 'url');
}
});
Version data entries
9 entries across 9 versions & 1 rubygems