Here we extend the basic form example to include common features such as reverting, dirty state detection, and preventing invalid form submission.
<script> UserForm.$inject = ['$invalidWidgets']; function UserForm($invalidWidgets){ this.$invalidWidgets = $invalidWidgets; this.state = /^\w\w$/; this.zip = /^\d\d\d\d\d$/; this.master = { name: 'John Smith', address:{ line1: '123 Main St.', city:'Anytown', state:'AA', zip:'12345' }, contacts:[ {type:'phone', value:'1(234) 555-1212'} ] }; this.cancel(); } UserForm.prototype = { cancel: function(){ this.form = angular.copy(this.master); }, save: function(){ this.master = this.form; this.cancel(); } }; </script> <div ng:controller="UserForm"> <label>Name:</label><br/> <input type="text" name="form.name" ng:required/> <br/><br/> <label>Address:</label><br/> <input type="text" name="form.address.line1" size="33" ng:required/> <br/> <input type="text" name="form.address.city" size="12" ng:required/>, <input type="text" name="form.address.state" size="2" ng:required ng:validate="regexp:state"/> <input type="text" name="form.address.zip" size="5" ng:required ng:validate="regexp:zip"/><br/><br/> <label>Contacts:</label> [ <a href="" ng:click="form.contacts.$add()">add</a> ] <div ng:repeat="contact in form.contacts"> <select name="contact.type"> <option>email</option> <option>phone</option> <option>pager</option> <option>IM</option> </select> <input type="text" name="contact.value" ng:required/> [ <a href="" ng:click="form.contacts.$remove(contact)">X</a> ] </div> <button ng:click="cancel()" disabled="{{master.$equals(form)}}">Cancel</button> <button ng:click="save()" disabled="{{$invalidWidgets.visible() || master.$equals(form)}}">Save</button> <hr/> Debug View: <pre>form={{form}} master={{master}}</pre> </div>
it('should enable save button', function(){ expect(element(':button:contains(Save)').attr('disabled')).toBeTruthy(); input('form.name').enter(''); expect(element(':button:contains(Save)').attr('disabled')).toBeTruthy(); input('form.name').enter('change'); expect(element(':button:contains(Save)').attr('disabled')).toBeFalsy(); element(':button:contains(Save)').click(); expect(element(':button:contains(Save)').attr('disabled')).toBeTruthy(); }); it('should enable cancel button', function(){ expect(element(':button:contains(Cancel)').attr('disabled')).toBeTruthy(); input('form.name').enter('change'); expect(element(':button:contains(Cancel)').attr('disabled')).toBeFalsy(); element(':button:contains(Cancel)').click(); expect(element(':button:contains(Cancel)').attr('disabled')).toBeTruthy(); expect(element(':input[name=form.name]').val()).toEqual('John Smith'); });