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bower_components/iron-a11y-keys/demo/x-key-aware.html 2.19 KB
c5169e0e   Renato De Donato   a new hope
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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">

  <link rel="import" href="../../paper-styles/paper-styles.html">

  <link rel="import" href="../iron-a11y-keys.html">

  

  <dom-module id="x-key-aware">

    <style>

      :host {

        display: block;

        position: relative;

      }

  

      pre {

        color: var(--google-blue-700);

      }

      

      .keys {

        line-height: 25px;

      }

  

      .keys span {

        cursor: default;

        background-color: var(--google-grey-100);

        border: 1px solid var(--google-grey-300);

        padding: 1px 5px;

        border-radius: 5px;

      }

    </style>

    <template>

      <h4>Press any of these keys</h4>

      <span class="keys">

        <template is="dom-repeat" items="[[boundKeys]]">

          <span>{{item}}</span>

        </template>

      </span>

      <iron-a11y-keys

        id="keys"

        keys="* pageup pagedown left right down up shift+a alt+a home end space enter"

        target="[[target]]"

        on-keys-pressed="_updatePressed">

      </iron-a11y-keys>

      <pre id="output">[[pressed]]</pre>

    </template>

  </dom-module>

  

  <script>

    Polymer({

      is: 'x-key-aware',

  

      properties: {

        pressed: {

          type: String,

          readOnly: true,

          value: ''

        },

  

        boundKeys: {

          type: Array

        },

  

        target: {

          type: Object,

          value: function() {

            return document.body;

          }

        }

      },

  

      ready: function() {

        this.boundKeys = this.$.keys.keys.split(' ');

      },

  

      _updatePressed: function(event) {

        console.log(event.detail);

  

        this._setPressed(

          this.pressed + event.detail.combo + ' pressed!\n'

        );

      }

    });

  </script>