/**
 * layer助手
 * 最后修改：2020.08.26
 */

var currentwinlayer = layer
var layer = top.layer || parent.layer || layer

// 重写加载中，更语义化
layer.loading = layer.load

$(function () {
  'use strict'

  // 点击链接或按钮打开iframe窗口，窗口尺寸用data-winsize="[650,300]"定义，标题用title='xxx'定义，目标url在href或者data-url里面
  $('a.win,input[type="button"].win,button.win').on('click', function (e) {
    e.preventDefault()
    var $this = $(this)
    var winsize = $this.data('winsize') || [750, 400]
    var title = ($this.attr('title') || $this.data('title') || $this.text() || $this.val()).replace(/ /g, '') || '对话框'
    var url = $this.attr('href') || $this.data('url')
    if (url === '') { layer.msg('对不起，URL参数为空。', { icon: 5 }) }
    else {
      // 相对路径转换为绝对路径，参考：http://www.cnblogs.com/ranran/p/3599025.html
      var a = document.createElement('a')
      a.href = url
      url = a.href

      // 特定页面
      if (url.match(/qrcode\.htm/i)) {
        title = '网址二维码'
        winsize = [600, 350]
      } else if (url.match(/studentinfo\.asp/i)) {
        title = '查看/编辑'
        winsize = [650, 350]
      } else if (url.match(/recordview\.asp/i)) {
        winsize = [750, 400]
      }

      if (url.match(/\.(png|jpg|jpeg|gif)$/i)) {
        // 图片
        currentwinlayer.photos({
          photos: { data: [{ src: url }] },
          success: function () { $('div.layui-layer-imgsee').remove() }
        })
      } else {
        // url
        layer.open({
          type: 2,
          title: title,
          shadeClose: true,
          area: [winsize[0] + 'px', winsize[1] + 'px'],
          content: url
        })
      }
    }
  })

  // 预览图片
  $('input[type="button"][value="预 览"],button:contains("预 览")').on('click', function () {
    var $input = $(this).prev('input[type="text"]')
    if ($input.length > 0) {
      var url = $input.val()
      if (url.match(/\.(png|jpg|jpeg|gif|webp)$/i)) {
        currentwinlayer.photos({
          photos: { data: [{ src: url }] },
          success: function () { $('div.layui-layer-imgsee').remove() }
        })
      } else {
        layer.msg('图片地址为空或不正确（必须以图片格式的扩展名结尾）。')
        $input.trigger('focus')
      }
    } else { layer.msg('按钮前无图片网址框，请检查。') }
  })
})

// 手动执行打开layer窗口，参数：目标网址，标题文字，窗口尺寸（逗号隔开两个数字）,关闭后的回调
function win_open(url, t, winsize, end) {
  'use strict'
  if (typeof (winsize) === 'undefined') { winsize = [750, 400] }
  else { winsize = winsize.split(',') }
  var title = t || '对话框'
  var a = document.createElement('a')
  a.href = url
  url = a.href
  if (url.match(/\.(png|jpg|jpeg|gif)$/i)) {
    currentwinlayer.photos({
      photos: { data: [{ src: url }] },
      success: function () { $('div.layui-layer-imgsee').remove() }
    })
  } else if (typeof (end) === 'function') {
    layer.open({
      type: 2,
      title: title,
      shadeClose: true,
      area: [winsize[0] + 'px', winsize[1] + 'px'],
      content: url,
      end: end
    })
  } else {
    layer.open({
      type: 2,
      title: title,
      shadeClose: true,
      area: [winsize[0] + 'px', winsize[1] + 'px'],
      content: url
    })
  }
}

/*
其他常用操作：
layer.loading()
layer.load()
layer.msg('提示信息，会自动关闭')
layer.closeAll()
layer.alert('有确定按钮的提示信息')
layer.open({title:'标题',content:'内容'})
*/