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HTML 

              
                <html>

<head>
   <title>Welcome | Fame Cinema</title>
</head>

<body ng-app="fameCinemaApp" ng-controller="BehaviourController as bController" ng-init="bController.init()">

   <div class="jumbotron">
      <div class="container">

         <h1 ng-show="bController.showWelcomeText">Fame Cinema Official Ticketing App</h1>
         <p>{{bController.mainText}}</p>
         <form ng-submit="bController.nextStep()">
            <div class="jumbotron-input">
               <div class="input-group padding5px" ng-show="bController.showNameInput">
                  <span class="input-group-addon" id="basic-addon1">@</span>
                  <input type="text" class="form-control" placeholder="Username" aria-describedby="basic-addon1" ng-model="bController.name">
               </div>

               <div class="input-group" ng-show="bController.showTicketQtyInput">
                  <span class="input-group-addon" id="basic-addon1"> * </span>
                  <input type="text" class="form-control" placeholder="Number of tickets" aria-describedby="basic-addon1" ng-model="bController.count">
               </div>
               
            </div>

            <button type="submit" class="btn btn-primary">
               {{bController.buttonText}}
            </button>
         </form>
         <div ng-show="bController.showCategories">
            You have selected
            <span class="selected" ng-repeat="s in bController.selected">{{s}}</span>
         </div>
      </div>


   </div>
   </div>

   <div class="container">
      <nav class="navbar navbar-inverse navbar-fixed-top">
         <div class="container">
            <!-- Brand and toggle get grouped for better mobile display -->
            <div class="navbar-header">
               <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
                  <span class="sr-only">Toggle navigation</span>
                  <span class="icon-bar"></span>
                  <span class="icon-bar"></span>
                  <span class="icon-bar"></span>
               </button>
               <a class="navbar-brand" href="">Fame Cinema</a>
            </div>

            <!-- Collect the nav links, forms, and other content for toggling -->
            <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
               

            </div>
            <!-- /.navbar-collapse -->
         </div>
         <!-- /.container-fluid -->
      </nav>
      <div class="row">
         <div class="col-md-9">
            <div class="tile-group" ng-show="bController.showCategories">
               <span ng-repeat="seat in bController.seats">
               <div ng-class="{selected:seat.reserved, old:seat.old}" ng-click="bController.select(seat.name)">
                  <a href="#" class="tile-group-item">
                     {{seat.name}}
                   </a>
               </div>
               <div style="width:100%;background:transparent;border:0;" ng-if="seat.newLine"></div>
               </span>

            </div>

            
         </div>
         <div class="col-md-3" ng-show="bController.showCategories">
          <table class="table table-bordered legend">
             <tr>
                <td style="background:red"></td>
                <td>Reserved</td>
             </tr>
             <tr>
                <td style="background:#563d7c"></td>
                <td>Selected</td>
             </tr>
             <tr>
                <td style="background:#f9f9f9"></td>
                <td>Empty</td>
             </tr>
</table>
         </div>
      </div>
      <div class="row">
         <div class="col-md-12">
            <fieldset ng-show="bController.showReservationList()">
               <legend>Reservations</legend>
            <table class="table table-striped">
               <thead>
                  <tr>
                     <th>#</th>
                     <th>Name</th>
                     <th># of Seats</th>
                     <th>Seat Nos.</th>
                  </tr>
               </thead>
               <tbody>
                  <tr ng-repeat="seat in bController.persistedSelections">
                     <th scope="row">{{$index+1}}</th>
                     <td>{{seat.name}}</td>
                     <td>{{seat.count}}</td>
                     <td>
                        <span class="selected" ng-repeat="s in seat.seats">{{s}}</span>
                     </td>
                  </tr>
               </tbody>
            </table>
               </fieldset>
         </div>
      </div>   
   </div>

</body>

</html>
!

CSS 

              
                body {
  padding-top:3%;
}
@media (min-width: 768px)
.tile-group div a{
  width: 12.5%;
  font-size: 12px;
}
div.tile-group li{
  list-style:none;
  float:left;
}
.tile-group div{
  float: left;
  width: 8%;
  height: 7%;
  padding: 10px;
  font-size: 10px;
  line-height: 1.4;
  text-align: center;
  background-color: #f9f9f9;
  border: 1px solid #fff;
}
.tile-group div:hover {
   color:#000;
   border: 1px solid #563d7c;
}
.tile-group div.selected{
  color: #fff;
  background-color: #563d7c;
}
.tile-group div.selected.old{
   background-color: red;
}
.tile-group div a.tile-group-item {
  color:#000;
  text-decoration:none;
  display: block;
  text-align: center;
  word-wrap: break-word;
  font-size:large;
}
.tile-group div.selected a.tile-group-item{
  color: #fff;
}
.jumbotron-input {
  width:40%;  
  line-height:1.4;
  padding-bottom:1%;
}
span.selected {
  padding: 2px;
  border: 1px solid grey;
}
.padding5px{
   padding: 5px;
}
table.legend tr td:first-child{
   width:50%;
}
!

JS 

              
                var app = angular.module("fameCinemaApp", []);
app.controller("BehaviourController", function($scope) {
   this.persistedSelections = [];
   this.seats = [];
   this.row = 5;
   this.col = 5;
	
   var self = this;
   this.init = function() {
      this.showWelcomeText = true;
      this.showCategories = false;
      this.showNameInput = false;
      this.showTicketQtyInput = false;
      this.mainText = "Welcome! Would you like to book a ticket?";
      this.buttonText = "Yes!";
      this.name = undefined;
      this.count = undefined;
      this.selected = [];
      
      this.buildSeatMap();
   };

   this.nextStep = function() {
      this.buttonText = "Next";
      if (undefined === this.name) {
         this.mainText = "Okay, please tell us your name";
         toggleInput(self, "name");			
      } else if (undefined === this.count) {
         // user has already input name. Show greeting
         this.mainText = "Hi " + this.name + "! Please enter the number of tickets you wish to buy";
         toggleInput(self, "count");
         this.buttonText = "Show me seats!";
      } else if (0 == this.selected.length) {

         this.showWelcomeText = false;
         this.mainText = "Fantastic! Now " + this.name + ", Please choose your seats";
         toggleInput(self);
         if (!this.showCategories) {
            this.showCategories = true;
         } else {
            this.showCategories = false;
         }
         this.buttonText = "Confirm my booking!";
      } else if (this.count >= this.selected.length) {
         // save and flush
         var saveSelectionObject = {
            "name": this.name,
            "count": this.selected.length,
            "seats": this.selected
         };
         for (var i = 0; i < this.selected.length; i++) {
            var seat = this.selected[i];
            var seatIndex = this.getSeatIndex(seat);
            this.seats[seatIndex].old = true;
         }
         this.persistedSelections.push(saveSelectionObject);
         this.init();
      }

   };
   var toggleInput = function(self, input) {
      self.showNameInput = false;
      self.showTicketQtyInput = false;
      if ("name" === input) {
         self.showNameInput = true;
      } else if ("count" === input) {
         self.showTicketQtyInput = true;
      }
   };
   this.getSeatIndex = function(seat) {
      var seatIndex = _.findIndex(this.seats, {
         'name': seat
      });
      return seatIndex;
   };
   this.deSelect = function(seat) {
      var seatIndex = this.getSeatIndex(seat);
      this.seats[seatIndex].reserved = false;
      //var buffer = this.selected;
      //this.selected = [];
      var index;
      for (var i = 0; i < this.selected.length; i++) {
         if (this.selected[i] == seat) {
            index = i;
         }
      }
      this.selected.splice(index, 1);
   };
   this.select = function(seat) {
      var flag = false;
      if (undefined != this.selected.length) {
         if (this.selected.length < this.count) {
            flag = true;
         }
         for (var i = 0; i < this.selected.length; i++) {
            if (this.selected[i] == seat) {
               flag = false;
               this.deSelect(seat);
               break;
            }
         }
      } else {
         flag = true;
      }
      var seatIndex = this.getSeatIndex(seat);
      if (this.seats[seatIndex].reserved) {
         flag = false;
      }
      if (flag) {
         this.selected.push(seat);
         this.seats[seatIndex].reserved = true;
      }
   };
   this.buildSeatMap = function() {
      if (this.seats.length == 0) {

         for (var i = 1; i <= this.row; i++) {
            for (var j = 1; j <= this.col; j++) {
               var newLine = (j == this.col);
               var name = "S" + i + j;
               var seat = {
                  "id": i + j,
                  "name": name,
                  "reserved": false,
                  "old": false,
                  "newLine": newLine
               };
               this.seats.push(seat);
            }
         }
      }
   };
   this.showReservationList = function(){
     return this.persistedSelections.length>0;
   };
});
!
999px

Console