Framework7 Virtuallist Height

by Maiki Nahara

HTML

<script src="http://framework7.io/fonts/Framework7Icons-Regular.eot"></script>
<script src="http://framework7.io/fonts/Framework7Icons-Regular.ttf"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/framework7/5.4.5/css/framework7.bundle.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/framework7/5.4.5/css/framework7.css">
<link rel="stylesheet" href="http://framework7.io/css/framework7-icons.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/framework7/5.4.5/js/framework7.bundle.js"></script>
<head>
  <!-- Required meta tags-->
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no, minimal-ui, viewport-fit=cover">
  <meta name="apple-mobile-web-app-capable" content="yes">
  <!-- Color theme for statusbar (Android only) -->
  <meta name="theme-color" content="#2196f3">
  <!-- Your app title -->
  <title>My App</title>
  <!-- Path to Framework7 Library Bundle CSS -->

</head>

<body>
  <!-- App root element -->
  <div id="app">

    <!-- Your main view, should have "view-main" class -->
    <div class="view view-main">
      <!-- Initial Page, "data-name" contains page name -->
      <div data-name="home" class="page">

        <!-- Top Navbar -->
        <div class="navbar">
          <div class="navbar-bg"></div>
          <div class="navbar-inner">
            <div class="title">Awesome App</div>
          </div>
        </div>
        <!-- Bottom Toolbar -->
        <div class="toolbar toolbar-bottom">
          <div class="toolbar-inner">
            <!-- Toolbar links -->
            <a href="#" class="link">Link 1</a>
            <a href="#" class="link">Link 2</a>
          </div>
        </div>
        <!-- Scrollable page content -->
        <div class="page-content ptr-content" data-ptr-mousewheel="true">



          <!-- Virtual List -->
          <div class="list virtual-list">
            <!-- keep it...

CSS

.demolist {
  margin-top: 0px;
}

JavaScript

var app = new Framework7({
  // App root element
  root: '#app',
  // App Name
  name: 'Pull To Refresh Demo',
  // App id
  id: 'com.myapp.test',
  // Enable swipe panel
  panel: {
    swipe: 'left',
  },
  theme: 'ios',
  // Add default routes
  routes: [{
    path: '/about/',
    url: 'about.html',
  }, ],
  // ... other parameters
});
var $$ = Dom7;
var mainView = app.views.create('.view-main');



var items = [];
for (var i = 1; i <= 10; i++) {
  items.push({
    title: 'Item ' + i,
    subtitle: 'Subtitle ' + i,
	IMAGESIZE : Math.floor(Math.random() * 31) + 90,
  });
}

var virtualList = app.virtualList.create({
  el: '.virtual-list',
  items: items,
  searchAll: function (query, items) {
    var found = [];
    for (var i = 0; i < items.length; i++) {
      if (items[i].title.toLowerCase().indexOf(query.toLowerCase()) >= 0 || query.trim() === '') found.push(i);
    }
    return found; //return array with mathced indexes
  },
  itemTemplate:
	'<li>' +
	'<a href="#" class="item-link item-content">' +
	'<div class="item-media"><img  src="data:image/gif;base64,R0lGODlhAQABAIAAAMLCwgAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" height="{{IMAGESIZE}}"/></div>' +
	'<div class="item-inner">' +
	'<div class="item-title-row">' +
	'<div class="item-title">{{title}}</div>' +
	'</div>' +
	'<div class="item-subtitle">{{subtitle}}</div>' +
	'</div></a></li>' +
	'<li>',
		  height: function (item) {
			let childNo = 0
			return app.virtualList.get( '.virtual-list' ).$itemsWrapEl.children().length ? app.virtualList.get( '.virtual-list' ).$itemsWrapEl.children()[ childNo ].offsetHeight : item.IMAGESIZE + 16;
		  }
});