Removing file from multiple files uploader on button click when using HTML5 file input

Question

How to add remove button here like simple remove one by one in files queue like this

The reason why im not using free file upload plugins w

Answer 1

$(function () {

  var dropZoneId = "drop-zone";
  var buttonId = "clickHere";
  var mouseOverClass = "mouse-over";

  var dropZone = $("#" + dropZoneId);
  var ooleft = dropZone.offset().left;
  var ooright = dropZone.outerWidth() + ooleft;
  var ootop = dropZone.offset().top;
  var oobottom = dropZone.outerHeight() + ootop;
  var inputFile = dropZone.find("input");

  var filesArr = [];

  function showFiles() {
    $('#filename').html("");
    var fileNum = filesArr.length;
    for (var i = 0; i < fileNum; i++) {

                                objectURL = URL.createObjectURL(filesArr[i]);

      $('#filename').append('
'+ i + ' ' + filesArr[i].name + '  X
');

      }
  }

  function addFiles(e) {
    var tmp;

    // transfer dropped content to temporary array
    if (e.dataTransfer) {
      tmp = e.dataTransfer.files;
    } else if (e.target) {
      tmp = e.target.files;
    }        

    // Copy the file items into the array 
    for(var i = 0; i < tmp.length; i++) {
      filesArr.push(tmp.item(i));
      //console.log(i);
    }

    // remove all contents from the input elemnent (reset it)
    inputFile.wrap('
').closest('form').get(0).reset();
    inputFile.unwrap();

    showFiles();
  }    

  document.getElementById(dropZoneId).addEventListener("dragover", function (e) {
    e.preventDefault();
    e.stopPropagation();
    dropZone.addClass(mouseOverClass);
    var x = e.pageX;
    var y = e.pageY;

    if (!(x < ooleft || x > ooright || y < ootop || y > oobottom)) {
        inputFile.offset({
            top: y - 15,
            left: x - 100
        });
    } else {
        inputFile.offset({
            top: -400,
            left: -400
        });
    }
  }, true);

  if (buttonId != "") {
    var clickZone = $("#" + buttonId);

    var oleft = clickZone.offset().left;
    var oright = clickZone.outerWidth() + oleft;
    var otop = clickZone.offset().top;
    var obottom = clickZone.outerHeight() + otop;

    $("#" + buttonId).mousemove(function (e) {
      var x = e.pageX;
      var y = e.pageY;
      if (!(x < oleft || x > oright || y < otop || y > obottom)) {
          inputFile.offset({
              top: y - 15,
              left: x - 160
          });
      } else {
          inputFile.offset({
              top: -400,
              left: -400
          });
      }
    });
  }
  document.getElementById(dropZoneId).addEventListener("drop", function (e) {
    $("#" + dropZoneId).removeClass(mouseOverClass);
    addFiles(e);
  }, true);

  /*inputFile.on('change', function(e) {
    addFiles(e);
  });*/

  $('#filename').on('click', '.closeBtn', function(e) {
    e.preventDefault();
    e.stopPropagation();

    var divElem = $(this).parent();
    var index = $('#filename').find('div').index(divElem);
    if ( index !== -1 ) {
      $('#filename')[0].removeChild(divElem[0]);
      filesArr.slice(index,1);
    }
  });
  inputFile.on('change', function(e) {
    $('#filename').html("");
    var fileNum = this.files.length,
      initial = 0,
      counter = 0;
    for (initial; initial < fileNum; initial++) {
      counter = counter + 1;
      objectURL = URL.createObjectURL(this.files[initial]);
      $('#filename').append('
'+ counter + ' ' + this.files[initial].name + '  X
');
    }
  });

});