JSFiddle - React, Tailwind, and code Playground

by levchenko_d

HTML

<script src="https://beat.today/javascripts/functions.js"></script>
<div class="handle-dragover dropable">
  <div class="handle-dragover-show dropable-placeholder">
    <span class="text">Drop file to upload</span>
  </div>
</div>

CSS

.handle-dragover{
  min-height: 400px;
  width: 100%;
  background: silver;
}

/* Ingore Above */


/* Dropable */

.handle-dragover{
  position: relative;
}

.handle-dragover:not(.dragover) .handle-dragover-show{
  display: none;
}

.dropable-placeholder{
  position: absolute;
  top: 30px;
  right: 30px;
  bottom: 30px;
  left: 30px;
  background: #2C9EE4;
  border-radius: 7px;
}

.dropable-placeholder .text {
  color: #fff;
  font-size: 36px;
  height: 48px;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  text-align: center;
  margin: auto;
  font-family: 'Open Sans', sans-serif;
}

/* Dropable END*/

JavaScript

function readFile(file, callback){	
  function read(){
		var reader = new FileReader();
    
		reader.onloadend = function(e){ 
      App.isFn(callback)(e.target.result);
    };
    reader.readAsDataURL(file);
  };
  
  if(file.type){ read(); }
  
  return file;
};


/* Dropable */

var Dropable = function(options){
	var t = this,
  		o = options;
  
  t.element = o.element || App.q('dropable');
  t.ondrop = o.ondrop || null;
  t.files = [];
 	t.init();
};

Dropable.prototype.attachOndragover = function () {
	var t = this;
  
  function ondragover(e){
    e.kill();
  	t.element.addClass('dragover');
  };
  
  t.element.addEventListener('dragover', ondragover);
};

Dropable.prototype.attachOndragend = function () {
	var t = this;
  
  function ondragend(){
	  t.element.removeClass('dragover');
  };
  
  t.element.addEventListener('dragend', ondragend);
};

Dropable.prototype.attachOndrop = function () {
	var t = this;

  function ondrop(e){
  	e.kill();
    
    t.element.removeClass('dragover');
		t.files = e.dataTransfer.files;
		
    App.isFn(t.ondrop)(e);
    
    return false;
  };
  
  t.element.addEventListener('drop', ondrop);
};

Dropable.prototype.attachEvents = function(){
	var t = this;
  
	t.attachOndragover();
  t.attachOndragend();
  t.attachOndrop();
};

Dropable.prototype.init = function(){
	var t = this;
  
  t.attachEvents();
  t.element.Dropable = t;
};

/* Dropable END */


/* DEMO */

new Dropable({
	element: App.q('.dropable'),
  ondrop: function(e){
 		var files = e.dataTransfer.files;
    for(i in files){
    	readFile(files[i], function(File){
				console.log(File)
      });
    };
  }
});