Setting focus on an input field after ng-show

This is a simple directive that might work for you

<input focus-on="!!myResourceData" />

.directive('focusOn',function($timeout) {
    return {
        restrict : 'A',
        link : function($scope,$element,$attr) {
            $scope.$watch($attr.focusOn,function(_focusVal) {
                $timeout(function() {
                    _focusVal ? $element[0].focus() :
                        $element[0].blur();
                });
            });
        }
    }
})

I have extended the answer to work with angular's ng-show and ng-hide

app.directive('focusOnShow', function($timeout) {
    return {
        restrict: 'A',
        link: function($scope, $element, $attr) {
            if ($attr.ngShow){
                $scope.$watch($attr.ngShow, function(newValue){
                    if(newValue){
                        $timeout(function(){
                            $element[0].focus();
                        }, 0);
                    }
                })      
            }
            if ($attr.ngHide){
                $scope.$watch($attr.ngHide, function(newValue){
                    if(!newValue){
                        $timeout(function(){
                            $element[0].focus();
                        }, 0);
                    }
                })      
            }

        }
    };
})

All you need is to add attribute focus-on-show

<input type="text" ng-show="editing" focus-on-show />