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Tag Archives: Binding

AngularJS: sync $location.search with an input value

I have used AngularJS for a while and to me this seems to be the best MVC javascript framework.

Today I wanted to implement a search which uses an input and a hash query string like in google. The input value and url have to be synced like:

index.html#?term=something

To do this we have to inject $location into our angular control. See the Angular Guide about $location. Then we have to observe both the $scope.term (which is bound to the input value) and $location.search().

<!doctype html>
<html ng-app>
  <head>
    <script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.0.2/angular.min.js">
    </script>
    <script src="project.js"></script>
  </head>
  <body>
    <h2>Hash Search</h2>
    <div ng-controller="SearchCtrl">
        <input type="text" ng-model="term"/>
    </div>
  </body>
</html>

and javascript (project.js):

function SearchCtrl($scope, $location) {

	var termKey = "term";

	$scope.$watch(function () { return $location.search(); }, function() {
	  $scope.term = $location.search()[termKey] || "";
	});
	
	$scope.$watch('term', function(term) {
	   $location.search(termKey, term);
	});
	
}

In order to be able to listen to changes on $location.search, you have to provide an anonymous function in $watch. Thanks to Renan Tomal Fernandes’ answer on stackoverflow.

Implement public wcf service in SharePoint

If you have an external web service reference in your sharepoint solution, you can use web.config configuration like:

<system.serviceModel>
    <serviceHostingEnvironment aspNetCompatibilityEnabled="true" />
<bindings>
        <wsHttpBinding>
            <binding name="WSHttpBinding_ISuperService" >
                <security mode="None">
                    <message clientCredentialType="None" />
                </security>
            </binding>
        </wsHttpBinding>
    </bindings>
    <client>
        <endpoint address="http://super.domain/SuperService.svc"
            binding="wsHttpBinding"
            bindingConfiguration="WSHttpBinding_ISuperService" 
            contract="ISuperService"
            name="SuperServiceEndpoint">
        </endpoint>
    </client>
</system.serviceModel>

security mode is set to “None”.

Then in code just get this configuration:

var proxy = new SuperServiceClient("SuperServiceEndpoint");
var result = proxy.GetSomething();

Otherwise we can create binding on the fly:

var binding = new WSHttpBinding();
binding.Security.Mode = SecurityMode.None;
var endpoint = new EndpointAddress("http://super.domain/SuperService.svc");
var proxy = new ExternalServices.DreamServiceClient(binding, endpoint);
var result = proxy.GetSomething();

Binda Data till ListView i WPF

Det är väldigt smidigt att koppla datakälla till en ListView i WPF. Man skriver kod i XAML.
Och i koden bakom anger man:
myListView.ItemsSource = myList;

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