javascriptjsonformsangularjsdynamic-data

Dynamic form from JSON data (different types)


I try to create a dynamic form in AngularJS using the data from a JSON. I have this working:

HTML

    <p ng-repeat="field in formFields">
            <input 
                dynamic-name="field.name"
                type="{{ field.type }}"
                placeholder="{{ field.name }}"
                ng-model="field.value"
                required
            >
            <span ng-show="myForm.{{field.name}}.$dirty && myForm.{{field.name}}.$error.required">Required!</span>
            <span ng-show="myForm.{{field.name}}.$dirty && myForm.{{field.name}}.$error.email">Not email!</span>
    </p>
    <button ng-disabled="myForm.$invalid">Submit</button>                 
</form>

JavaScript

angular.module('angularTestingApp').controller('DynamicFormCtrl', function ($scope) {

$scope.formFields = [
    {
        name: 'firstName',
        type: 'text'
    },
    {
        name: 'email',
        type: 'email'
    },
    {
        name: 'password',
        type: 'password'
    },
    {
        name: 'secondName',
        type: 'text'
    }
];}).directive("dynamicName",function($compile){
return {
    restrict:"A",
    terminal:true,
    priority:1000,
    link:function(scope,element,attrs){
        element.attr('name', scope.$eval(attrs.dynamicName));
        element.removeAttr("dynamic-name");
        $compile(element)(scope);
    }
}});

This code works, but the question is that I don't know how to add dynamic checkbox or checklist and how can I validate inside the form, something like this:

angular.module('angularTestingApp')
.controller('DynamicFormCtrl', function ($scope) {

$scope.formFields = [
    {
        name: 'firstName',
        type: 'text'
    },
    {
        name: 'email',
        type: 'email'
    },
    {
        name: 'password',
        type: 'password'
    },
    {
        name: 'city',
        type: 'checkbox',
        choices: [
            { name: "red" },
            { name: "blue" },
            { name: "green" },
        ]
    }
];})

Solution

  • I have solved my problem.

    This a plunkr link with one example of Dynamic Forms with Validation in AngularJS

    http://plnkr.co/edit/kqiheTEoGDQxAoQV3wxu?p=preview

    .html

     <form name="myForm" class="form-horizontal" role="form" ng-submit="submitForm()">
     <div ng-repeat="field in entity.fields">    
      <ng-form name="form">
        <!-- TEXT FIELDS -->
        <div ng-if="field.type=='text'" class="form-group">
          <label class="col-sm-2 control-label">{{field.label}}</label>
          <div class="col-sm-6">
            <input type="{{ field.type }}" dynamic-name="field.name" id="{{field.name}}" data-ng-model="field.data"  class="form-control" required/>
             <!--<span ng-show="myForm.{{field.name}}.$dirty && myForm.{{field.name}}.$error.required">Required!</span>.-->
             <span  data-ng-show=" {{'form.'+field.name+'.$dirty && form.'+field.name+'.$error.required'}}">Required!</span>
          </div>
        </div>
    
        <!-- EMAIL FIELDS -->
        <div ng-if="field.type=='email'" class="form-group">
          <label class="col-sm-2 control-label">{{field.label}}</label>
          <div class="col-sm-6">
            <input type="{{ field.type }}" dynamic-name="field.name" data-ng-model="field.data" class="form-control" required/>
             <span data-ng-show=" {{'form.'+field.name+'.$dirty && form.'+field.name+'.$error.required'}}">Required!</span>
             <span data-ng-show=" {{'form.'+field.name+'.$dirty && form.'+field.name+'.$error.email'}}">Not email!</span>
          </div>
        </div>
    
        <!-- PASSWORD FIELDS -->
        <div ng-if="field.type=='password'" class="form-group" >
          <label class="col-sm-2 control-label">{{field.label}}</label>
          <div class="col-sm-6">
            <input type="{{ field.type }}" dynamic-name="field.name" data-ng-model="field.data" ng-minlength={{field.min}} ng-maxlength={{field.max}} class="form-control" required/>
             <span data-ng-show=" {{'form.'+field.name+'.$dirty && form.'+field.name+'.$error.required'}}">Required!</span>
             <span data-ng-show=" {{'!form.'+field.name+'.required && (form.'+field.name+'.$error.minlength || form.'+field.name+'.$error.maxlength)' }}">Passwords must be between 8 and 20 characters.</span>
            </div>
        </div>
    
        <!-- SELECT FIELDS -->
        <div ng-if="field.type=='select'" class="form-group" >
          <label class="col-sm-2 control-label">{{field.label}}</label>
          <div class="col-sm-6">
            <select data-ng-model="field.data" ng-options="option.name for option in field.options" class="form-control" required/>
          </div>      
        </div>
    
        <!-- RADIO FIELDS -->
        <div ng-if="field.type=='radio'" class="form-group">
          <label class="col-sm-2 control-label">{{field.label}}</label>
          <div class="col-sm-6">
    
            <div class="checkbox" ng-repeat="option in field.options" >
                      <label>                
                <input type="radio" data-ng-model="field.data"  name="taskGroup"  id="{{option.name}}" value="{{option.id}}">{{option.name}}
              </label>
                    </div>
          </div>
        </div>
    
        <!-- CHECKBOX FIELDS -->
        <div ng-if="field.type=='checkbox'" class="form-group" >
          <label class="col-sm-2 control-label">{{field.label}}</label>
          <div class="col-sm-6">        
                   <div class="checkbox" ng-repeat="option in field.options" >
                      <label>
                        <input type="checkbox" data-ng-model="option.data"  name="taskGroup"  id="{{option.name}}" value="{{option.id}}" >{{option.name}}
                      </label>
                    </div>
    
          </div>
        </div>
    
      </ng-form>
    
     </div>
    
    
      <br/>
      <button ng-disabled="myForm.$invalid" type="submit" id="submit">Submit</button>
      <br/>
      <pre>{{entity|json}}</pre>
       <br/>
    
     </form>
    

    .js

    app.controller('DynamicFormController', function ($scope, $log) {
    
    
    
        // we would get this from the api
        $scope.entity = {
          name : "Course", 
          fields :
            [
              {type: "text", name: "firstname", label: "Name" , required: true, data:""},
              {type: "radio", name: "color_id", label: "Colors" , options:[{id: 1, name: "orange"},{id: 2, name: "pink"},{id: 3, name: "gray"},{id: 4, name: "cyan"}], required: true, data:""},
              {type: "email", name: "emailUser", label: "Email" , required: true, data:""},
              {type: "text", name: "city", label: "City" , required: true, data:""},
              {type: "password", name: "pass", label: "Password" , min: 6, max:20, required: true, data:""},
              {type: "select", name: "teacher_id", label: "Teacher" , options:[{name: "Mark"},{name: "Claire"},{name: "Daniel"},{name: "Gary"}], required: true, data:""},
              {type: "checkbox", name: "car_id", label: "Cars" , options:[{id: 1, name: "bmw"},{id: 2, name: "audi"},{id: 3, name: "porche"},{id: 4, name: "jaguar"}], required: true, data:""}
            ]
          };
    
          $scope.submitForm = function(){
            $log.debug($scope.entity);
          }
    })
    
      .directive("dynamicName",function($compile){
        return {
            restrict:"A",
            terminal:true,
            priority:1000,
            link:function(scope,element,attrs){
                element.attr('name', scope.$eval(attrs.dynamicName));
                element.removeAttr("dynamic-name");
                $compile(element)(scope);
            }
        }
    })