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How to invoke multiple functions/chained calls using ng-click


How to invoke multiple functions/chained calls using ng-click

By : user2955115
Date : November 22 2020, 10:38 AM
will be helpful for those in need Technically you could write inline provided changeColor returns promise and inturn your service call must return a promise (which is better compared to traditional passing around callbacks anyways).
First change your service to return a promise, an example:-
code :
 function configuratorService($http){
      this.addOption = function(modelCode, colorCode){
          return $http.post("Addoption", {modelCode:modelCode, colorCode:colorCode})
                 .then(function(response){ 
                   //logic to get configuration or whatever
                   return response.data
          });
     }
  }
$scope.changeColor = function(newColorCode){
     //return promise   
    return configuratorService.addOption($scope.modelCode, newColorCode)
         .then( function(configuration){
            $scope.configuration = configuration;     
            /*You could even return the data by doing the following*/          
            //return $scope.configuration = configuration;
        });
    }
 }
$scope.updateDetails = function(){//<-- if you are returning data from changeColor you could even use it here
    $scope.summaryDetails = getSummaryDetails();
}
ng-click="changeColor(color.code).then(updateDetails)"
angular.module('app', []).controller('HeaderCtrl', function($scope) {
  $scope.updateDetails = function() {
    //check the console
    console.log('UpdateDetails');
    $scope.summaryDetails = "Summary Details after option changeColor";
  }
}).controller('ColorsCtrl', function($scope, configuratorService) {
  $scope.changeColor = function(newColorCode) {
    //swap previous selected color with new
    return configuratorService.addOption().then(function(configuration) {
      //check the console
      console.log('Option Added');
      $scope.configuration = configuration;
    });
  }
}).service('configuratorService', function($timeout) {
  this.addOption = function() {
    //Justa proxy for an ansyn operation and return call
    return $timeout(function() {
      return "Color Updated"
    }, 1000);
  }
});
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div ng-app="app">

  <div ng-controller="ColorsCtrl">
    <div ng-controller="HeaderCtrl">

      <button ng-click="changeColor().then(updateDetails)">Update</button>
      {{summaryDetails}}
    </div>
  </div>
    $scope.changeColor = function(newColorCode){
        configuratorService.addOption($scope.modelCode, newColorCode, function(configuration){
            $scope.configuration = configuration;
            //BroadCast an event, this will notify any child scopes that has subscribed to this event.   
            $scope.$broadCast("Configuration_Udpated");                           
          });
       }
   }
//....
$scope.updateDetails = function(){
    $scope.summaryDetails = getSummaryDetails();
}


//...
$scope.$on("Configuration_Udpated", $scope.updateDetails)


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Chained calls of member functions - order of calls

Chained calls of member functions - order of calls


By : starjik
Date : March 29 2020, 07:55 AM
wish help you to fix your issue No, you can't. The order of evaluation of function arguments is unspecified, and there's nothing you can do about it.
You'll have to break the chain to create your own sequence points where this order is important.
Invoke multiple functions on wpf button click

Invoke multiple functions on wpf button click


By : Diana Ruth
Date : March 29 2020, 07:55 AM
hope this fix your issue Is it possible to call multiple functions on a button click? , You can just seperate the statements using a semicolon:
code :
$button_add.Add_Click({create; environmentTemp}) 
Adding elements to array via chained functions calls

Adding elements to array via chained functions calls


By : skayaway
Date : March 29 2020, 07:55 AM
This might help you I have an array: , make this function for tsoAddCell
code :
Array.prototype.tsoAddCell = function (value) {
  this.length && this[this.length-1].push(value); return this;
};
Array.prototype.tsoAddRow = function () {
  this.push([]);
  return this;
};
javascript addEventListener for click event calls the functions multiple times

javascript addEventListener for click event calls the functions multiple times


By : teddy norwood
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further Make sure that initializeNewGame is only called once. Each time it is called, it will add another click handler. This means that myFunction could be called multiple times for each click.\
Try adding a console log in the initializeNewGame to help detect if its called more than once.
Can I get the return type of multiple chained functions calls?

Can I get the return type of multiple chained functions calls?


By : user2265380
Date : March 29 2020, 07:55 AM
Hope this helps Say you have three callable objects f g h, and you want to get the type of h(g(f(args...))), you can do like this:
code :
template <size_t first, class ChainedFns, class... Args>
decltype(auto) Call(ChainedFns &&fns, Args&&... args) {
    if constexpr (std::tuple_size_v<std::decay_t<ChainedFns>> == 0)
        return;
    else if constexpr (first < std::tuple_size_v<std::decay_t<ChainedFns>>-1)
        return Call<first + 1>(fns, std::invoke(std::get<first>(std::forward<ChainedFns>(fns)), std::forward<Args>(args)...));
    else if constexpr (first == std::tuple_size_v<std::decay_t<ChainedFns>>-1)
        return std::invoke(std::get<first>(std::forward<ChainedFns>(fns)), std::forward<Args>(args)...);
}

template <size_t first, class ChainedFns, class... Args>
struct invoke_result_of_chained_callables {
    using type = decltype(Call<first>(std::declval<ChainedFns>(), std::declval<Args>()...));
};

template <size_t first, class ChainedFns, class... Args>
using invoke_result_of_chained_callables_t = typename invoke_result_of_chained_callables<first, ChainedFns, Args...>::type;

int main() {
    auto fns = std::make_tuple(
        [](auto) { return 0; }, // f
        [](auto x) { return std::vector{ x }; }, // g
        [](auto x) { return x.size(); } // h
    );

    using type = decltype(Call<0>(fns, nullptr));
    static_assert(std::is_same_v<type, size_t>);

    using type1 = invoke_result_of_chained_callables_t<0, decltype(fns), std::nullptr_t>;
    static_assert(std::is_same_v<type, type1>);
    return 0;
}
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