Polímero: consulta de Google Analytics

Google Analytics es un elemento de los componentes web de Google que se utiliza para consultar la API de informes centrales de Google Analytics.

Puede usar este elemento en su aplicación, ejecutando el siguiente comando para instalarlo en el directorio de su proyecto.

bower install --save GoogleWebComponents/google-analytics

Ejemplo

El siguiente ejemplo especifica el uso del elemento google-analytics en Polymer.js. Cree un archivo index.html y agregue el siguiente código en él.

<!doctype html>
<html>
   <head>
      <title>Polymer Example</title>
      <script src = "bower_components/webcomponentsjs/webcomponents-lite.js"></script>
      <link rel = "import" href = "bower_components/polymer/polymer.html">
      <link rel = "import" href = "bower_components/paper-styles/demo-pages.html">
      <link rel = "import" href = "bower_components/google-signin/google-signin.html">
      <link rel = "import" href = "bower_components/google-analytics/google-analytics.html">
      
      <style>  
         google-analytics-dashboard {
            display: block;
            padding: 2em;
            transition: opacity .2s ease;
         }
         google-analytics-dashboard:not([authorized]) {
            opacity: .3;
            pointer-events: none;
         }
         google-analytics-chart {
            box-shadow: 0 0 .5em rgba(0,0,0,.1);
            background: #fff;
            float: left;
            margin: 0 2em 2em 0;
            padding: 2em 2em 1em;
            transition: opacity .2s ease;
            max-width: 100%;
         }
         google-analytics-view-selector, google-analytics-date-selector {
            box-shadow: 0 0 .5em rgba(0,0,0,.1);
            background: #fff;
            display: -webkit-flex;
            display: -ms-flexbox;
            display: flex;
            -webkit-flex-direction: column;
            -ms-flex-direction: column;
            flex-direction: column;
            margin: 0 0 2em 0;
            max-width: 600px;
            padding: 2em .5em 1em 2em;
         }
         google-analytics-date-selector {
            max-width: 500px;
         }
         google-analytics-view-selector {
            max-width: 750px;
         }
         :root {
            --google-analytics-control: {
               display: block;
               -webkit-flex: 1 1 0%;
               -ms-flex: 1 1 0%;
               flex: 1 1 0%;
               margin: 0 1.5em 1em 0;
               min-width: 0;
            };
            --google-analytics-label: {
               display: block;
               font-weight: bold;
               padding: 0 0 .4em 2px;
            };
            --google-analytics-field: {
               border: 1px solid #ccc;
               border-radius: 4px;
               box-sizing: border-box;
               height: 34px;
               line-height: 20px;
               padding: 6px 12px;
               transition: border-color .2s;
               width: 100%;
            };
            --google-analytics-field-focus: {
               border-color: #4d90fe;
               outline: 0;
            };
         }
         google-analytics-view-selector {
            --google-analytics-view-selector-control:
               var(--google-analytics-control);
            
            --google-analytics-view-selector-label:
               var(--google-analytics-label);
            
            --google-analytics-view-selector-select:
               var(--google-analytics-field);
            
            --google-analytics-view-selector-select-focus:
               var(--google-analytics-field-focus);
         }
         google-analytics-date-selector {
            --google-analytics-date-selector-control:
               var(--google-analytics-control);
            
            --google-analytics-date-selector-label:
               var(--google-analytics-label);
            
            --google-analytics-date-selector-input:
               var(--google-analytics-field);
            
            --google-analytics-date-selector-input-focus:
               var(--google-analytics-field-focus);
         }
      </style>
   </head>
   
   <body>
      <h2>Google Analytics Example</h2>
      <google-signin></google-signin>

      <google-analytics-dashboard>
         <google-analytics-view-selector></google-analytics-view-selector>
         <google-analytics-date-selector></google-analytics-date-selector>
         
         <google-analytics-chart
            type = "pie"
            metrics = "ga:pageviews"
            dimensions = "ga:browser"
            sort = "-ga:pageviews"
            max-results = "5">
            <h3>Pageviews by Browser</h3>
         </google-analytics-chart>
      </google-analytics-dashboard>
   </body>
</html>

Salida

Para ejecutar la aplicación, navegue hasta el directorio del proyecto creado y ejecute el siguiente comando.

polymer serve

Ahora abra el navegador y navegue hasta http://127.0.0.1:8081/. Lo siguiente será la salida.

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