MyModal

原生js弹出层

このスクリプトは単体で利用できません。右のようなメタデータを含むスクリプトから、ライブラリとして読み込まれます: // @require https://update.greasyfork.org/scripts/463930/1177945/MyModal.js

このスクリプトの質問や評価の投稿はこちら通報はこちらへお寄せください。
// ==UserScript==
// @name         MyModal
// @namespace    http://https://wish123.cnblogs.com/?MyModal
// @version      0.1.1.2
// @description  原生js弹出层
// @author       Wilson

function MyModal(options) {
  this.zIndex = 1010
  this.config = options || {}
  this.modal = null;
  if(this.config) {
    this.createStyle();
    this.create();
  }
}
MyModal.prototype.createStyle = function() {
  if(document.querySelector("#myModalStyle")) {
    return;
  }
  let style = `
<style id="myModalStyle">
/* The Modal (background) */
.my-modal {
  display: none; /* Hidden by default */
  position: fixed; /* Stay in place */
  z-index: 1010; /* Sit on top */
  padding-top: 100px;
  left: 0;
  top: 0;
  width: 100%; /* Full width */
  height: 100%; /* Full height */
  overflow: auto; /* Enable scroll if needed */
  background-color: rgb(0,0,0); /* Fallback color */
  background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
}

.my-modal button {
  background-color: #1c9fff;
  color: white;
  padding: 14px 20px;
  margin: 8px 0;
  border: none;
  cursor: pointer;
  width: 100%;
  opacity: 0.9;
}

.my-modal button:hover {
  opacity:1;
}

.my-modal h2{
    margin: 15px 0;
}

/* Modal Content */
.my-modal .modal-content {
  position: relative;
  background-color: #fefefe;
  margin: auto;
  padding: 0;
  border: 1px solid #888;
  width: 50%;
  box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2),0 6px 20px 0 rgba(0,0,0,0.19);
  -webkit-animation-name: animatetop;
  -webkit-animation-duration: 0.4s;
  animation-name: animatetop;
  animation-duration: 0.4s;
  border-radius: 5px;
}

.my-modal .modal-body-content{
  font-size: 16px;
}

/* Add Animation */
@-webkit-keyframes animatetop {
  from {top:-300px; opacity:0}
  to {top:0; opacity:1}
}

@keyframes animatetop {
  from {top:-300px; opacity:0}
  to {top:0; opacity:1}
}

/* The Close Button */
.my-modal .close {
  color: #333;
  float: right;
  font-size: 28px;
  font-weight: bold;
}

.my-modal .modal-header .close{
  margin-top: 6px;
}

.my-modal .close:hover,
.my-modal .close:focus {
  color: #333;
  text-decoration: none;
  cursor: pointer;
  opacity: 0.60;
}

.my-modal .modal-header {
  padding: 2px 16px;
  background-color: #fff;
  color: #333;
  border-bottom: 1px solid #f0f0f0;
  border-radius: 5px;
}

.my-modal .modal-body {
  padding: 10px 16px;
  min-height: 28px;
  line-height: 28px;
  overflow: auto;
}

.my-modal .modal-footer {
  padding: 2px 16px;
  background-color: #fff;
  color: #333;
  /* border-top: 1px solid #f0f0f0; */
  border-radius: 5px;
}

.clearfix::after {
  content: "";
  clear: both;
  display: table;
}

.my-modal .cancelbtn,.my-modal .okbtn {
  float: right;
  width: 50%;
}

/* Add a color to the cancel button */
.my-modal .cancelbtn {
  background-color: #f1f1f1;
  color: #333;
  /* border: 1px solid #dedede; */
}

/* Add a color to the delete button */
.my-modal .okbtn {
  background-color: #1c9fff;
}

@media screen and (max-width: 300px) {
  .my-modal .cancelbtn,.my-modal  .okbtn {
     width: 100%;
  }
}
</style>
  `
  document.body.insertAdjacentHTML("beforeend", style);
}
MyModal.prototype.create = function(options) {
  options = options || this.config
  if(document.querySelector("#myModal")) {
    document.querySelector("#myModal").remove();
  }
  let width = options.width ? 'width:'+options.width+';' : '';
  let height = options.height ? 'height:'+options.height+';' : '';
  let borderRadius = options.borderRadius ? 'border-radius:'+options.borderRadius+';' : '';
  let zIndex = options.zIndex ? 'z-index:'+options.zIndex+';' : '';
  let myModal = `
  <div id="myModal" class="my-modal" style="${zIndex}${options.top?'padding-top:'+options.top+';':''}">
    <div class="modal-content" style="${width}${height}${borderRadius}">
      <div class="modal-header" style="${borderRadius}${options.title===null?'display:none;':''}${options.content===null?'border-bottom:none':''}">
        <span class="close">&times;</span>
        <h2>${options.title||''}</h2>
      </div>
      <div class="modal-body" style="${options.content===null?'display:none;':''}">
        ${options.title===null?'<span class="close">&times;</span>':''}
        <div class="modal-body-content">${options.content||''}</div>
      </div>
      <div class="modal-footer" style="${borderRadius}${options.okText===null&&options.closeText===null?'display:none;':''}">
          <div class="clearfix">
              <button type="button" class="okbtn" style="${options.okText===null?'display:none;':''}${options.okWidth?'width:'+options.okWidth+';':''}">${options.okText||'OK'}</button>
              <button type="button" class="cancelbtn" style="${options.closeText===null?'display:none;':''}${options.closeWidth?'width:'+options.closeWidth+';':''}">${options.closeText||'Cancel'}</button>
          </div>
      </div>
    </div>
  </div>`
  document.body.insertAdjacentHTML("beforeend", myModal);
  this.modal = document.querySelector(`#myModal`);

  if(options.height) {
    document.querySelector("#myModal .modal-body").style.height = (parseFloat(options.height) - 125) + 'px';
  }

  let modalContent = document.querySelector(".modal-content");
  setTimeout(()=>{
    if(modalContent.offsetHeight){
      let padding = document.documentElement.clientHeight - modalContent.offsetHeight;
      padding = padding > 0 ? padding : 0;
      this.modal.style.paddingTop = (padding/2)+'px';
    }
  });

  let _this = this;
  //绑定关闭事件
  let headerCloseBtn = document.querySelector(`#myModal .modal-header .close`);
  if(headerCloseBtn) {
        headerCloseBtn.addEventListener("click", function(e){
            _this.close();
        });
  }
  let bodyCloseBtn = document.querySelector(`#myModal .modal-body .close`);
  if(bodyCloseBtn){
    bodyCloseBtn.addEventListener("click", function(e){
        _this.close();
    });
  }
  //绑定cancel事件
  document.querySelector(`#myModal .cancelbtn`).addEventListener("click", function(e){
    if(_this.config.closeFn) {
      e.myModal = _this;
      _this.config.closeFn(e);
    } else {
      _this.close();
    }
  });
  //绑定OK事件
  document.querySelector(`#myModal .okbtn`).addEventListener("click", function(e){
    if(_this.config.okFn) {
      e.myModal = _this;
      _this.config.okFn(e);
    } else {
      _this.close();
    }
  });
  //点击空白,菜单消失
  document.addEventListener('click', function(e){
    if (e.target == _this.modal) {
      _this.close();
    }
  });
}
MyModal.prototype.show = function() {
  if(this.modal) {
    this.modal.style.display = 'block';
  }
}
MyModal.prototype.close = function() {
  if(this.modal) {
    this.modal.remove();
  }
}

// //测试1
// document.querySelector("#test1").addEventListener("click", function(){
//   new MyModal({
//     top: '',
//     width: '50%',
//     height: 'auto',
//     borderRadius: '5px',
//     zIndex: 1010,
//     //null,不显示title
//     title: 'test1',
//     //支持HTML格式,null不显示content
//     content: 'Hello World!',
//     //closeText:null,不显示关闭按钮
//     closeText: '关闭',
//     closeWidth: '',
//     //okText:null,不显示ok按钮
//     okText: '好了',
//     okWidth: '',
//     //closeFn和okFn可以省略
//     closeFn: function (e) {
//       console.log('closeFn clicked');
//       e.myModal.close();
//     },
//     okFn: function (e) {
//       console.log('okFn clicked');
//       e.myModal.close();
//     }
//   }).show();
// });

// //测试2
// document.querySelector("#test2").addEventListener("click", function(){
//   new MyModal({
//     top: '',
//     width: '50%',
//     height: 'auto',
//     borderRadius: '5px',
//     zIndex: 1010,
//     title: 'test2',
//     content: 'Hello World2!',
//     closeText: '取消',
//     closeWidth: '',
//     okText: '确定',
//     okWidth: '',
//     closeFn: function (e) {
//       console.log('closeFn clicked');
//       e.myModal.close();
//     },
//     okFn: function (e) {
//       console.log('okFn clicked');
//       e.myModal.close();
//     }
//   }).show();
// });