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bower_components/iron-form-element-behavior/demo/simple-form.html 1.3 KB
73bcce88   luigser   COMPONENTS
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  <!--
  @license
  Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
  This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
  The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
  The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
  Code distributed by Google as part of the polymer project is also
  subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
  -->
  <link rel="import" href="../../polymer/polymer.html">
  
  <script>
  
    Polymer({
  
      is: 'simple-form',
  
      extends: 'form',
  
      properties: {
        formElements: {
          type: Object,
          notify: true
        }
      },
  
      listeners: {
        'iron-form-element-register': '_elementRegistered',
        'iron-form-element-unregister': '_elementUnregistered'
      },
  
      ready: function() {
        this.formElements = [];
      },
  
      _elementRegistered: function(e) {
        this.formElements.push(e.target);
        e.target._parentForm = this;
      },
  
      _elementUnregistered: function(e) {
        var target = e.detail.target;
        if (target) {
          var index = this.formElements.indexOf(target);
          if (index > -1) {
            this.formElements.splice(index, 1);
          }
        }
      }
  
    });
  
  </script>