{php}
use app\service\Image as WImage;
{/php}
<div class="upload-image-box">
    <input type="hidden" class="append-val" value="{$append}">
    <div id="upload_img_list{$append}" class="upload_img_list">
        {if !empty($imgs)}
        {foreach $imgs as $k => $img}
        <dd class="item_img" id="img_{$append}{$k}">
            <div class="imgs">
                <div class="operate">
                    <i onclick="UPLOAD_IMG_DEL(this)" class="close layui-icon"></i>
                </div>
                <img src="{:WImage::getThumb($img.src, 100, 100)}"/>
                <input type="hidden" name="{$fieldName}[{$k}][src]" value="{$img.src}" />
            </div>
            <div class="info">
                {foreach $fields as $name => $desc}
                <input type="text" class="layui-input" name="{$fieldName}[{$k}][{$name}]" value="{$img[$name] ?? ''}" placeholder="{$desc}" />
                {/foreach}
            </div>
        </dd>
        {/foreach}
        {/if}
    </div>
    <div class="upload_img_btn" id="upload-images{$append}">
        <i></i><p>上传图片</p>
    </div>
    <div class="upload_img_btn" id="serverImgList{$append}" style="margin-left: 15px;">
        <i></i><p>服务器图片</p>
    </div>
    <div class="layui-clear"></div>
    <div class="upload-image-points">
        {if !empty($imgSize)}
        <div class="layui-form-mid layui-word-aux">注：图片最佳尺寸为： {$imgSize} 数字0表示不限制</div>
        {else /}
        <div class="layui-form-mid layui-word-aux">请上传大小合适的图片</div>
        {/if}
    </div>
</div>
<style type="text/css">
#selectable .ui-selecting { background: #FECA40; }
#selectable .ui-selected { background: #F39814; color: white; }
#selectable { list-style-type: none; margin: 0; padding: 0;}
</style>
<script type="text/javascript">
    var _token = $('#token').attr('content');
    var append = $('.append-val').val();

    $(document).on("click", ".layer-photos", function(e) {
        layer.photos({
            photos: {
                "data": [{
                    "src": e.target.src
                }]
            },
            anim: 5
        });
    });

    $(document).ready(function() {
        var numId = $('#upload_img_list{$append}>dd').length;
        $(".upload_img_list").sortable({
            cursor: "move",
            items: "dd", //只是li可以拖动
            opacity: 0.6, //拖动时，透明度为0.6
            revert: true, //释放时，增加动画
            update: function(event, ui) { //更新排序之后
                //alert($(this).sortable("toArray"));
            }
        });

        var uploadUrl = "{:url('manager.upload/image')}";
        layui.use(['upload', 'element'], function() {
            var upload = layui.upload;
            var element = layui.element;
            upload.render({
                elem: '#upload-images{$append}',
                url: uploadUrl,
                data: {_token:_token},
                field: 'image',
                multiple: true,
                before: function(obj) {
                    layer.msg('图片上传中...', {
                        icon: 16,
                        shade: 0.01,
                        time: 0
                    })
                },
                done: function(res) {
                    if(res.code === 0){
                        layer.close(layer.msg()); //关闭上传提示窗口
                        //调用多图上传方法,其中res.imgid为后台返回的一个随机数字
                        let fieldList = generateFiledHtml(numId);
                        $('#upload_img_list{$append}').append('<dd class="item_img" id="img_'+ append + numId +'">'+
                        '<div class="imgs"><div class="operate"><i onclick="UPLOAD_IMG_DEL(this)" class="close layui-icon"></i></div>'+
                        '<img src="' +res.data.thumb_src +'"></div>'+
                        '<input type="hidden" name="{$fieldName}['+numId+'][src]" value="'+ res.data.src +'" />'+
                        '<div class="info">'+ fieldList +'</div></dd>');
                        numId++;
                        $(window).trigger("resize");
                    }else{
                        layer.msg(res.msg);
                    }
                }
            })

            $('#serverImgList{$append}').click(function(){
                var fieldName = "{$fieldName}";
                var html = '';
                $.ajax('/manager/file/list',{
                    data:{
                        type:'img',
                        page:1,
                        size:30
                    },
                    headers: {
                        'X-CSRF-TOKEN': _token
                    },
                    dataType:'json',//服务器返回json格式数据
                    type:'post',//HTTP请求类型
                    timeout:10000,//超时时间设置为10秒；
                    success:function(data){
                        if(data.code === 0){
                            if(data.data.length > 0){
                                html += '<div class="layui-card-body"><div class="serverImgsList"><ul id="selectable">'
                                $.each(data.data,function(i,item){
                                    html += '<li><img src="'+item.src+'" data-box="upload_img_list{$append}" onclick="imgListUrl(this, ' + numId + ',\''+ fieldName +'\')"></li>'
                                })
                                html += '</ul></div>';
                                if(data.data.length >= 30){
                                    html += '<div class="serverMore"><a data-box="upload_img_list{$append}" onclick="imgsList(this, ' + numId + ',\''+ fieldName +'\')">加载更多</a></div>'
                                }
                                html += '<div class="layui-clear"></div></div>';
                                layer.open({
                                    type: 1,
                                    title: '服务器图片',
                                    shadeClose: true,
                                    area: ['800px',''], //宽高
                                    move: false,
                                    content: html,
                                    success:function(layero, index) {
                                        alertRender()
                                        layero.find('.serverImgsList ul li img').attr('data-id',index)
                                        layero.find('.serverMore a').attr('data-id',index)
                                    }
                                });
                                numId++;
                            }else{
                                layer.msg('暂无数据')
                            }
                        }
                    },
                    error:function(xhr,type,errorThrown){

                    }
                });

            })

        });
    });
    function imgListUrl(obj, numId, fieldName) {
        console.log(fieldName);
        let fieldList = generateFiledHtml(numId, fieldName);
        let imTpl = '<dd class="item_img" id="img_'+ append + numId +'">'+
                '<div class="imgs"><div class="operate"><i onclick="UPLOAD_IMG_DEL(this)" class="close layui-icon"></i></div>'+
                '<img src="' + $(obj).attr('src') +'"></div>'+
                '<input type="hidden" name="'+fieldName+'['+numId+'][src]" value="'+ $(obj).attr('src') +'" />'+
                '<div class="info">' + fieldList + '</div></dd>';
        numId++;
        $('#'+$(obj).attr('data-box')).append(imTpl);
        parent.layer.close($(obj).attr('data-id'));
    }

    function generateFiledHtml(numId, fieldName) {
        let fieldList = '';
        {foreach $fields as $name => $desc}
        fieldList += '<input type="text" class="layui-input" name="'+ fieldName +'['+numId+'][{$name}]" value="" placeholder="{$desc}" />';
        {/foreach}
        return fieldList;
    }

    var page = 2
    function imgsList(obj, numId, fieldName) {
        $.ajax('/manager/file/list',{
            data:{
                type:'img',
                page:page,
                size:30
            },
            headers: {
                'X-CSRF-TOKEN': _token
            },
            dataType:'json',//服务器返回json格式数据
            type:'post',//HTTP请求类型
            timeout:10000,//超时时间设置为10秒；
            success:function(data){
                if(data.code === 0){
                    if(data.data.length > 0){
                        var html = ''
                        $.each(data.data,function(i,item){
                            html += '<li><img src="'+item.src+'" data-id="'+$(obj).attr('data-id')+'" data-box="'+$(obj).attr('data-box')+'" onclick="imgListUrl(this, ' + numId + ', \''+ fieldName +'\')"></li>'
                        })
                        $(obj).parent().parent().find('.serverImgsList ul').append(html)
                        $(window).trigger("resize");
                        if(data.data.length < 30){
                            $(obj).parent().append('<p>没有了</p>')
                            $(obj).parent().find('a').remove();
                        }else{
                            page++;
                        }
                    }else{
                        layer.msg(data.msg)
                    }
                }
            },
            error:function(xhr,type,errorThrown){

            }
        });
    }
    /*
    删除上传图片
    */
    function UPLOAD_IMG_DEL(divs) {
        $(divs).closest('dd.item_img').remove()
    };
</script>