devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
172 lines (166 loc) • 6.7 kB
JavaScript
/**
* DevExtreme (ui/html_editor/modules/dropImage.js)
* Version: 18.2.18
* Build date: Tue Oct 18 2022
*
* Copyright (c) 2012 - 2022 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
;
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createClass = function() {
function defineProperties(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) {
descriptor.writable = true
}
Object.defineProperty(target, descriptor.key, descriptor)
}
}
return function(Constructor, protoProps, staticProps) {
if (protoProps) {
defineProperties(Constructor.prototype, protoProps)
}
if (staticProps) {
defineProperties(Constructor, staticProps)
}
return Constructor
}
}();
var _quill_importer = require("../quill_importer");
var _events_engine = require("../../../events/core/events_engine");
var _events_engine2 = _interopRequireDefault(_events_engine);
var _utils = require("../../../events/utils");
var _iterator = require("../../../core/utils/iterator");
var _browser = require("../../../core/utils/browser");
var _browser2 = _interopRequireDefault(_browser);
var _window = require("../../../core/utils/window");
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
"default": obj
}
}
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 && ("object" === typeof call || "function" === typeof call) ? call : self
}
function _inherits(subClass, superClass) {
if ("function" !== typeof superClass && null !== superClass) {
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 BaseModule = (0, _quill_importer.getQuill)().import("core/module");
var DropImageModule = function(_BaseModule) {
_inherits(DropImageModule, _BaseModule);
function DropImageModule(quill, options) {
_classCallCheck(this, DropImageModule);
var _this = _possibleConstructorReturn(this, (DropImageModule.__proto__ || Object.getPrototypeOf(DropImageModule)).call(this, quill, options));
_this.editorInstance = options.editorInstance;
var widgetName = _this.editorInstance.NAME;
_events_engine2.default.on(_this.quill.root, (0, _utils.addNamespace)("dragover", widgetName), _this._dragOverHandler.bind(_this));
_events_engine2.default.on(_this.quill.root, (0, _utils.addNamespace)("drop", widgetName), _this._dropHandler.bind(_this));
_events_engine2.default.on(_this.quill.root, (0, _utils.addNamespace)("paste", widgetName), _this._pasteHandler.bind(_this));
return _this
}
_createClass(DropImageModule, [{
key: "_dragOverHandler",
value: function(e) {
if (_browser2.default.msie) {
e.preventDefault()
}
}
}, {
key: "_dropHandler",
value: function(e) {
var dataTransfer = e.originalEvent.dataTransfer;
var hasFiles = dataTransfer && dataTransfer.files && dataTransfer.files.length;
e.preventDefault();
if (hasFiles) {
this._getImage(dataTransfer.files, this._addImage.bind(this))
}
}
}, {
key: "_pasteHandler",
value: function(_ref) {
var _this2 = this;
var originalEvent = _ref.originalEvent;
var clipboardData = originalEvent.clipboardData;
if (!clipboardData) {
return
}
var hasDataItems = clipboardData.items && clipboardData.items.length;
var isHtmlData = clipboardData.getData("text/html");
if (!isHtmlData && hasDataItems) {
this._getImage(clipboardData.items, function(imageData) {
if (_browser2.default.mozilla) {
return
}
if (_browser2.default.msie) {
setTimeout(function() {
_this2._addImage(imageData)
})
} else {
_this2._addImage(imageData)
}
})
}
}
}, {
key: "_isImage",
value: function(file) {
return !!file.type.match(/^image\/(a?png|bmp|gif|p?jpe?g|svg|vnd\.microsoft\.icon|webp)/i)
}
}, {
key: "_getImage",
value: function(files, callback) {
var _this3 = this;
var window = (0, _window.getWindow)();
(0, _iterator.each)(files, function(index, file) {
if (!_this3._isImage(file)) {
return
}
var reader = new window.FileReader;
reader.onload = function(_ref2) {
var target = _ref2.target;
callback(target.result)
};
var readableFile = file.getAsFile ? file.getAsFile() : file;
if (readableFile instanceof window.Blob) {
reader.readAsDataURL(readableFile)
}
})
}
}, {
key: "_addImage",
value: function(data) {
var selection = this.quill.getSelection();
var pasteIndex = selection ? selection.index : this.quill.getLength();
this.quill.insertEmbed(pasteIndex, "extendedImage", data, "user")
}
}]);
return DropImageModule
}(BaseModule);
exports.default = DropImageModule;