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/*!
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* Image (upload) dialog plugin for Editor.md
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*
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* @file image-dialog.js
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* @author pandao
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* @version 1.3.4
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* @updateTime 2015-06-09
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* {@link https://github.com/pandao/editor.md}
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* @license MIT
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*/
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(function() {
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var factory = function (exports) {
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var pluginName = "image-dialog";
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exports.fn.imageDialog = function() {
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var _this = this;
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var cm = this.cm;
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var lang = this.lang;
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var editor = this.editor;
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var settings = this.settings;
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var cursor = cm.getCursor();
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var selection = cm.getSelection();
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var imageLang = lang.dialog.image;
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var classPrefix = this.classPrefix;
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var iframeName = classPrefix + "image-iframe";
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var dialogName = classPrefix + pluginName, dialog;
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cm.focus();
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var loading = function(show, visibleDialog) {
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var _loading;
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if (visibleDialog) {
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_loading = visibleDialog.find("." + classPrefix + "dialog-mask");
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} else {
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_loading = dialog.find("." + classPrefix + "dialog-mask");
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}
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_loading[(show) ? "show" : "hide"]();
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};
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if (editor.find("." + dialogName).length < 1)
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{
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var guid = (new Date).getTime();
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var action = settings.imageUploadURL + (settings.imageUploadURL.indexOf("?") >= 0 ? "&" : "?") + "guid=" + guid + "&file_param_name=" + classPrefix + "image-file";
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if (settings.crossDomainUpload)
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{
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action += "&callback=" + settings.uploadCallbackURL + "&dialog_id=editormd-image-dialog-" + guid;
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}
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var dialogContent = ( (settings.imageUpload) ? "<form action=\"" + action +"\" target=\"" + iframeName + "\" method=\"post\" enctype=\"multipart/form-data\" class=\"" + classPrefix + "form\">" : "<div class=\"" + classPrefix + "form\">" ) +
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( (settings.imageUpload) ? "<iframe name=\"" + iframeName + "\" id=\"" + iframeName + "\" guid=\"" + guid + "\"></iframe>" : "" ) +
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"<label>" + imageLang.url + "</label>" +
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"<input type=\"text\" data-url />" + (function(){
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return (settings.imageUpload) ? "<div class=\"" + classPrefix + "file-input\">" +
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"<input type=\"file\" name=\"" + classPrefix + "image-file\" accept=\"image/*\" />" +
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// "<input type=\"file\" name=\"file\" accept=\"image/*\" />" +
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"<input type=\"submit\" value=\"" + imageLang.uploadButton + "\" />" +
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"</div>" : "";
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})() +
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"<br/>" +
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"<label>" + imageLang.alt + "</label>" +
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"<input type=\"text\" value=\"" + selection + "\" data-alt />" +
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"<br/>" +
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"<label>" + imageLang.link + "</label>" +
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"<input type=\"text\" value=\"http://\" data-link />" +
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"<br/>" +
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( (settings.imageUpload) ? "</form>" : "</div>");
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//var imageFooterHTML = "<button class=\"" + classPrefix + "btn " + classPrefix + "image-manager-btn\" style=\"float:left;\">" + imageLang.managerButton + "</button>";
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dialog = this.createDialog({
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title : imageLang.title,
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width : (settings.imageUpload) ? 465 : 380,
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height : 278,
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name : dialogName,
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content : dialogContent,
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mask : settings.dialogShowMask,
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drag : settings.dialogDraggable,
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lockScreen : false, // settings.dialogLockScreen, 这个setting从哪里传来的
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maskStyle : {
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opacity : settings.dialogMaskOpacity,
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backgroundColor : settings.dialogMaskBgColor
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},
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buttons : {
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enter : [lang.buttons.enter, function() {
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var url = this.find("[data-url]").val();
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var alt = this.find("[data-alt]").val();
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var link = this.find("[data-link]").val();
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if (url === "")
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{
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alert(imageLang.imageURLEmpty);
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return false;
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}
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var altAttr = (alt !== "") ? " \"" + alt + "\"" : "";
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if (link === "" || link === "http://")
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{
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cm.replaceSelection("![" + alt + "](" + url + altAttr + ")");
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}
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else
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{
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cm.replaceSelection("[![" + alt + "](" + url + altAttr + ")](" + link + altAttr + ")");
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}
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if (alt === "") {
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cm.setCursor(cursor.line, cursor.ch + 2);
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}
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this.hide().lockScreen(false).hideMask();
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return false;
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}],
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cancel : [lang.buttons.cancel, function() {
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this.hide().lockScreen(false).hideMask();
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return false;
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}]
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}
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});
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dialog.attr("id", classPrefix + "image-dialog-" + guid);
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if (!settings.imageUpload) {
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return ;
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}
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var fileInput = dialog.find("[name=\"" + classPrefix + "image-file\"]");
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fileInput.bind("change", function() {
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var fileName = fileInput.val();
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var isImage = new RegExp("(\\.(" + settings.imageFormats.join("|") + "))$"); // /(\.(webp|jpg|jpeg|gif|bmp|png))$/
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if (fileName === "")
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{
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alert(imageLang.uploadFileEmpty);
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return false;
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}
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if (!isImage.test(fileName))
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{
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alert(imageLang.formatNotAllowed + settings.imageFormats.join(", "));
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return false;
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}
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loading(true);
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var submitHandler = function() {
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// 解決多个弹出框时，getElementById(iframeName);总是返回第一个dialog的iframe的问题
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var uploadIframe = $(this).parents('.editormd-dialog-container').find('#editormd-image-iframe')[0];
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// var uploadIframe = document.getElementById(iframeName);
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uploadIframe.onload = function() {
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var body = (uploadIframe.contentWindow ? uploadIframe.contentWindow : uploadIframe.contentDocument).document.body;
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var json = (body.innerText) ? body.innerText : ( (body.textContent) ? body.textContent : null);
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json = (typeof JSON.parse !== "undefined") ? JSON.parse(json) : eval("(" + json + ")");
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// https://www.trustie.net/issues/16197
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// 问题描述：当一个页面有2个mdeditor时，先在下面这个md上传图片，再去上面那个md上传图片后，dialog一直显示加载中
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// 这里，visibleDialog是用户看到的dialog，但是实际用来处理跨域请求的dialog在这个场景下是那个看不见的dialog
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// 暂没有更好的处理方式，只好将可见的dialog和看不见的dialog分开处理
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// 可见的dialog： 请求成功后 需要调用loading方法隐藏dialog；需要调用val方法将请求返回的url值写到dialog输入框里
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// 不可见的dialog：该dialog的iframe里有跨域请求的json响应信息
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var visibleDialog = $('.editormd-dialog:visible');
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loading(false, visibleDialog);
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// 新版 {"id":227354,"filesize":8253}
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if (json.id) {
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visibleDialog.find("[data-url]").val('/api/attachments/' + json.id);
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} else if (json.success === 1)
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{
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visibleDialog.find("[data-url]").val(json.url);
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}
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else
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{
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alert(json.message);
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}
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return false;
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};
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};
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dialog.find("[type=\"submit\"]").bind("click", submitHandler).trigger("click");
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});
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}
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dialog = editor.find("." + dialogName);
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dialog.find("[type=\"text\"]").val("");
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dialog.find("[type=\"file\"]").val("");
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dialog.find("[data-link]").val("http://");
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this.dialogShowMask(dialog);
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// this.dialogLockScreen();
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dialog.show();
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};
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};
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// CommonJS/Node.js
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if (typeof require === "function" && typeof exports === "object" && typeof module === "object")
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{
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module.exports = factory;
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}
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else if (typeof define === "function") // AMD/CMD/Sea.js
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{
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if (define.amd) { // for Require.js
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define(["editormd"], function(editormd) {
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factory(editormd);
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});
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} else { // for Sea.js
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define(function(require) {
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var editormd = require("./../../editormd");
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factory(editormd);
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});
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}
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}
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else
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{
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factory(window.editormd);
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}
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})();
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