src/example/fragment/layers.html

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<div class="page">
    <div class="page__hd">
        <div class="j_info page__info" data-for="normal">
            <h2 class="page__title">WeUI页面层级</h2>
            <p class="page__desc">用于规范WeUI页面元素所属层级、层级顺序及组合规范。</p>
        </div>
        <div class="j_info page__info" data-for="popout" style="display:none">
            <h2 class="page__title">Popout</h2>
            <p class="page__desc">弹出层，作为内容层和导航层的补充，用于承载弹窗通知、操作菜单、菜单、成功或加载中等状态的Toast，表单报错提示等弹出内容。</p>
        </div>
        <div class="j_info page__info" data-for="mask" style="display:none">
            <h2 class="page__title">Mask</h2>
            <p class="page__desc">蒙层，配合Popout层使用，用于锁定内容层和导航层操作，不单独使用。</p>
        </div>
        <div class="j_info page__info" data-for="navigation" style="display:none">
            <h2 class="page__title">Navigation</h2>
            <p class="page__desc">导航层，位于内容层之上，在用户滑动内容层时可保持位置不动，通常用于承载导航栏等需要固定在页面的元素。</p>
        </div>
        <div class="j_info page__info" data-for="content" style="display:none">
            <h2 class="page__title">Content</h2>
            <p class="page__desc">内容层，承载页面主要内容。</p>
        </div>
    </div>
    <div class="page__bd">
        <div class="layers j_layers">
            <div data-name="popout" class="j_pic j_layer layers__layer layers__layer_popout"><span>Popout</span></div>
            <div data-name="mask" class="j_pic j_layer layers__layer layers__layer_mask"><span>Mask</span></div>
            <div data-name="navigation" class="j_pic j_layer layers__layer layers__layer_navigation"><span>Navigation</span></div>
            <div data-name="content" class="j_pic j_layer layers__layer layers__layer_content"><span>Content</span></div>
        </div>
    </div>
    <div class="page__ft">
        <a href="javascript:home()"><img src="./images/icon_footer_link.png" /></a>
    </div>
</div>
<script type="text/javascript">
    $(function(){
        var $layers = $(".layers__layer"), $infos = $(".j_info"),
            hideTimeout;

        function showInfo(name){
            $infos.filter("[data-for='" + name + "']").show().siblings().hide();
        }
        function hideIfLayerShowing(){
            if($layers.filter(".j_transform").length != $layers.length){ // 展示中
                showInfo("normal");
                $layers.addClass("j_transform");

                clearTimeout(hideTimeout);
                hideTimeout = setTimeout(function(){
                    $layers.removeClass("j_hide");
                }, 300);
                return true;
            }
            return false;
        }
        $layers.on("transitionend webkitTransitionend", function(){
            var that = this;
            if(that.classList.contains("j_transform")){
                setTimeout(function(){