Howto use ng-switch inside ng-repeat for editing JSON API data

I know this is a recurring question but unfortunately I couldn't find a proper answer to my case.

Basically I'm getting data from an JSON API endpoint which gets displayed in a table using ng-repeat. I now want to ng-switch the view to input fields for amending the data (and sending it later back to the server).

Atm, my solutions depends on having a property in the data which I don't really like. I'm sure there's a smarter way than injecting this property after having retrieved the data - any suggestions?

HTML:

<tbody>
  <tr ng-repeat="item in data" ng-switch on="item.edit" >
    <td ng-switch-default ng-bind="item.color"></td>
    <td ng-switch-when='true'>
      <input type="text" ng-model="item.color" />
    </td>
    <td ng-switch-default><button ng-click="switch(item)">edit</button></td>
    <td ng-switch-when='true'><button ng-click="send(item)">send</button></td>
  </tr>
</tbody>

JS:

var app = angular.module('myApp', []);

app.controller('MyCtrl', function($scope) {

  $scope.switch = function (item) {
    if (item.edit) {
      item.edit = false;
    } else {
      item.edit = true;
    }
  };

  $scope.send = function (item) {
    if (item.edit) {
      // data is sent...
      item.edit = false;
    } else {
      item.edit = true;
    }
  };

  $scope.data = [
      {color: 'blue', edit: false},
      {color: 'green', edit: false},
      {color: 'orange', edit: false}];
});

thanks in advance!

here's a plunker: http://plnkr.co/edit/h8ar4S43JUvjHurzLgT0?p=preview

If you do not want to put your flags on your data objects than you will need to use a separate object to store them. With WeakMaps you can easily associate the data object, or the element itself, with a flags object. If you are targeting older browsers you will need to find a similar way to associate the data object / or element to the flags object

JS

let map = new WeakMap();
$scope.editing = function(item){
    return map.get(item).edit;
}
$scope.switch = function (item) {
    let flags = map.get(item);
    if (flags.edit) {
        flags.edit = false;
    } else {
        flags.edit = true;
    }
};
//Note you could combine switch and send into a single toggle function
$scope.send = function (item) {
    let flags = map.get(item);
    if (flags.edit) {
        flags.edit = false;
    } else {
        flags.edit = true;
    }
};
$scope.data = [
  {color: 'blue'},
  {color: 'green'},
  {color: 'orange'}
];
//Create an empty flags object for each data item
for(let item of $scope.data){
   map.set(item,{});
}

HTML

<tr ng-repeat="item in data" ng-switch on="editing(item)" >
    <td ng-switch-default ng-bind="item.color"></td>
    <td ng-switch-when='true'>
        <input type="text" ng-model="item.color" />
    </td>
    <td ng-switch-default><button ng-click="switch(item)">edit</button></td>
    <td ng-switch-when='true'><button ng-click="send(item)">send</button></td>
</tr>

Demo

// Code goes here
var app = angular.module('myApp', []);

app.controller('MyCtrl', function($scope) {
  var map = new WeakMap();
  
  //Using fat arrow less code to write
  $scope.editing = item=>map.get(item).edit;
  
  
  //Since "switch" and "send" had similar 
  //toggling code just combined them
  //Also no need to use if statement, just use the NOT operator
  //to toggle the edit flag
  $scope.toggle = item=>{
    let flags = map.get(item);
    flags.edit = !flags.edit;
  };

  $scope.switch = item=>{
    $scope.toggle(item);
    //Do some switching? 
    //if not doing anything else just 
    //call toggle in the ng-click
  };
  $scope.send = item=>{
    $scope.toggle(item);
    //Do some sending
  };

  $scope.data = [
      {color: 'blue'},
      {color: 'green'},
      {color: 'orange'}];
      
  for(let item of $scope.data){
    map.set(item,{});
  }
});

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div ng-app="myApp" ng-controller="MyCtrl">
  <table>
    <thead>
      <tr>
        <th width="180">Column</th>
        <th>Edit</th>
      </tr>
    </thead>
    <tbody>
      <tr ng-repeat="item in data" ng-switch on="editing(item)" >
        <td ng-switch-default ng-bind="item.color"></td>
        <td ng-switch-when='true'>
          <input type="text" ng-model="item.color" />
        </td>
        <td ng-switch-default><button ng-click="switch(item)">edit</button></td>
        <td ng-switch-when='true'><button ng-click="send(item)">send</button></td>
      </tr>
    </tbody>
  </table><br>
  "$scope.data" should never change after hitting edit/send since the flag is no longer on the data item object:
  <code><pre>{{data}}</pre></code>
</div>