Created
September 4, 2012 10:47
-
-
Save insin/3619992 to your computer and use it in GitHub Desktop.
Backbone.Collection.prototype.move
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| /** | |
| * Moves a model to the given index, if different from its current index. Handy | |
| * for shuffling models about after they've been pulled into a new position via | |
| * drag and drop. | |
| */ | |
| Backbone.Collection.prototype.move = function(model, toIndex) { | |
| var fromIndex = this.indexOf(model) | |
| if (fromIndex == -1) { | |
| throw new Error("Can't move a model that's not in the collection") | |
| } | |
| if (fromIndex !== toIndex) { | |
| this.models.splice(toIndex, 0, this.models.splice(fromIndex, 1)[0]) | |
| } | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
How could this be amended so a model will be inserted automatically by an attribute of the model going through the comparator of the collection? Thanks!