category edit

gistfile1.txt

                    <select class="form-control" ng-model="item.category_id">
                        <option ng-selected="!item.category_id">-</option>
                        <option value="{{ category.id }}" ng-repeat="category in categories" ng-selected="item.category_id == category.id">
                            {{ category.prefix }}{{ category.title|language }}
                        </option>
                    </select>
                    
                    
                CategoryResource.get(function (data) {
                    $scope.loading.categories = false;

                    var items = [];

                    function walk(item, level) {
                        // 2 space per level
                        if (level > 0) { // without root item
                            item.prefix = new Array((level - 1) * 2 + 1).join(String.fromCharCode(160));
                            if (level > 1) { // only for childrens
                                item.prefix += '» ';
                            }
                            items.push(item);
                        }
                        for (var i = 0; i < item.children.length; i++) {
                            walk(item.children[i], level + 1);
                        }
                    }

                    walk(data, 0);
                    $scope.categories = items;
                });