uppy/lib/plugins/DragDrop/index.js

Extensible JavaScript file upload widget with support for drag&drop, resumable uploads, previews, restrictions, file processing/encoding, remote providers like Instagram, Dropbox, Google Drive, S3 and more :dog:

'use strict';

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var Plugin = require('../../core/Plugin');
var Translator = require('../../core/Translator');

var _require = require('../../core/Utils'),
    toArray = _require.toArray;

var dragDrop = require('drag-drop');

var _require2 = require('preact'),
    h = _require2.h;

/**
 * Drag & Drop plugin
 *
 */


module.exports = function (_Plugin) {
  _inherits(DragDrop, _Plugin);

  function DragDrop(uppy, opts) {
    _classCallCheck(this, DragDrop);

    var _this = _possibleConstructorReturn(this, _Plugin.call(this, uppy, opts));

    _this.type = 'acquirer';
    _this.id = _this.opts.id || 'DragDrop';
    _this.title = 'Drag & Drop';

    var defaultLocale = {
      strings: {
        dropHereOr: 'Drop files here or',
        browse: 'browse'
      }

      // Default options
    };var defaultOpts = {
      target: null,
      width: '100%',
      height: '100%',
      note: '',
      locale: defaultLocale

      // Merge default options with the ones set by user
    };_this.opts = _extends({}, defaultOpts, opts);

    // Check for browser dragDrop support
    _this.isDragDropSupported = _this.checkDragDropSupport();

    _this.locale = _extends({}, defaultLocale, _this.opts.locale);
    _this.locale.strings = _extends({}, defaultLocale.strings, _this.opts.locale.strings);

    // i18n
    _this.translator = new Translator({ locale: _this.locale });
    _this.i18n = _this.translator.translate.bind(_this.translator);

    // Bind `this` to class methods
    _this.handleDrop = _this.handleDrop.bind(_this);
    _this.handleBrowseClick = _this.handleBrowseClick.bind(_this);
    _this.handleInputChange = _this.handleInputChange.bind(_this);
    _this.checkDragDropSupport = _this.checkDragDropSupport.bind(_this);
    _this.render = _this.render.bind(_this);
    return _this;
  }

  /**
   * Checks if the browser supports Drag & Drop (not supported on mobile devices, for example).
   * @return {Boolean}
   */


  DragDrop.prototype.checkDragDropSupport = function checkDragDropSupport() {
    var div = document.createElement('div');

    if (!('draggable' in div) || !('ondragstart' in div && 'ondrop' in div)) {
      return false;
    }

    if (!('FormData' in window)) {
      return false;
    }

    if (!('FileReader' in window)) {
      return false;
    }

    return true;
  };

  DragDrop.prototype.handleDrop = function handleDrop(files) {
    var _this2 = this;

    this.uppy.log('[DragDrop] Files dropped');

    files.forEach(function (file) {
      _this2.uppy.addFile({
        source: _this2.id,
        name: file.name,
        type: file.type,
        data: file
      }).catch(function () {
        // Ignore
      });
    });
  };

  DragDrop.prototype.handleInputChange = function handleInputChange(ev) {
    var _this3 = this;

    this.uppy.log('[DragDrop] Files selected through input');

    var files = toArray(ev.target.files);

    files.forEach(function (file) {
      _this3.uppy.addFile({
        source: _this3.id,
        name: file.name,
        type: file.type,
        data: file
      }).catch(function () {
        // Ignore
      });
    });
  };

  DragDrop.prototype.handleBrowseClick = function handleBrowseClick(ev) {
    ev.stopPropagation();
    this.input.click();
  };

  DragDrop.prototype.render = function render(state) {
    var _this4 = this;

    var DragDropClass = 'uppy uppy-DragDrop-container ' + (this.isDragDropSupported ? 'is-dragdrop-supported' : '');
    var DragDropStyle = {
      width: this.opts.width,
      height: this.opts.height
    };
    return h(
      'div',
      { 'class': DragDropClass, style: DragDropStyle },
      h(
        'div',
        { 'class': 'uppy-DragDrop-inner' },
        h(
          'svg',
          { 'aria-hidden': 'true', 'class': 'UppyIcon uppy-DragDrop-arrow', width: '16', height: '16', viewBox: '0 0 16 16', xmlns: 'http://www.w3.org/2000/svg' },
          h('path', { d: 'M11 10V0H5v10H2l6 6 6-6h-3zm0 0', 'fill-rule': 'evenodd' })
        ),
        h('input', { 'class': 'uppy-DragDrop-input',
          type: 'file',
          name: 'files[]',
          multiple: 'true',
          ref: function ref(input) {
            _this4.input = input;
          },
          onchange: this.handleInputChange }),
        h(
          'label',
          { 'class': 'uppy-DragDrop-label', onclick: this.handleBrowseClick },
          this.i18n('dropHereOr'),
          ' ',
          h(
            'span',
            { 'class': 'uppy-DragDrop-dragText' },
            this.i18n('browse')
          )
        ),
        h(
          'span',
          { 'class': 'uppy-DragDrop-note' },
          this.opts.note
        )
      )
    );
  };

  DragDrop.prototype.install = function install() {
    var _this5 = this;

    var target = this.opts.target;
    if (target) {
      this.mount(target, this);
    }
    this.removeDragDropListener = dragDrop(this.el, function (files) {
      _this5.handleDrop(files);
      _this5.uppy.log(files);
    });
  };

  DragDrop.prototype.uninstall = function uninstall() {
    this.unmount();
    this.removeDragDropListener();
  };

  return DragDrop;
}(Plugin);
//# sourceMappingURL=index.js.map