使用子元素编辑行详细信息

Created: November-22, 2018

此示例使用单独的元素将绑定数据编辑到 row-detail 模板。

<!DOCTYPE html>
<html>  
  <head>
    <base href="https://polygit.org/polymer+:master/iron-data-table+Saulis+:master/components/">
    <link rel="import" href="polymer/polymer.html">
    
    <script src="webcomponentsjs/webcomponents-lite.min.js"></script>
   
    <link rel="import" href="iron-ajax/iron-ajax.html">
    <link rel="import" href="paper-button/paper-button.html">
    <link rel="import" href="paper-input/paper-input.html">
    
    <link rel="import" href="iron-data-table/iron-data-table.html">
    <link rel="import" href="iron-data-table/default-styles.html">
  </head>
  <body>
    <dom-module id="row-detail">
      <template>
        <img src="[[item.user.picture.medium]]">
        <span>[[item.user.username]]</span>
        <span>[[item.user.email]]</span>
        <paper-input></paper-input>
      </template>
      <script>
        (function() {
          'use strict';
          Polymer({
            is: 'row-detail',
            properties: {
              item: Object,
            },        
          });
        })();
      </script>
    </dom-module>
    <dom-module id="x-foo">
      <template>
        <style>
          #grid1 data-table-row-detail {
            height: 150px;
          }
          #grid1 .detail {
            width: 100%;
            display: flex;
            justify-content: space-around;
            align-items: center;
            border: 2px solid #aaa;
          }
        </style>
        <paper-button on-tap="msg">Click Me</paper-button>

        <iron-ajax auto
          url="https://saulis.github.io/iron-data-table/demo/users.json" 
          last-response="{{users}}"
          >
        </iron-ajax>
        <iron-data-table id="grid1" details-enabled items="[[users.results]]">
          <template is="row-detail">
            <div class="detail">
              <row-detail item="{{item}}"></row-detail>
            </div>
          </template>
          <data-table-column name="First Name">
            <template>[[item.user.name.first]]</template>
          </data-table-column>
          <data-table-column name="Last Name">
            <template>[[item.user.name.last]]</template>
          </data-table-column>
        </iron-data-table>
      </template>
      <script>
        (function(){
          'use strict';
          Polymer({
            is: 'x-foo',
            msg: function() {
              console.log('This proves Polymer is working!');
            },
          });
        })();
      </script>
    </dom-module>
    <x-foo></x-foo>
  </body>
</html>

注意

目前，此处描述的问题会导致行详细信息部分在包含子元素时折叠。补丁包括 tabindex="0" 如下。（请参阅此 Stack Overflow 答案。）

X-foo.html

<template is="row-detail">
  <div class="detail">
    <row-detail item="{{item}}" tabindex="0"></row-detail>
  </div>
</template>