wix/angular-tree-control — pull request #49 by peec (2014-09-10 12:22:50+00:00)
Title: Allow callable configuration for injectedClasses

Allow icon based on nodes for injectedClasses,

```

injectClasses: {
iExpanded: "fa fa-folder",
iCollapsed: "fa fa-folder-open",
iLeaf: function (node) {
return node.icon;
}
}
```