(function (factory) {
    if (typeof define === "function" && define.amd) {
        define(["jquery"], factory)
    } else if (typeof exports === "object") {
        factory(require("jquery"))
    } else {
        factory(jQuery)
    }
})(function ($) {
    "use strict";
    var Markdown = function (element, options) {
        var opts = ["autofocus", "savable", "hideable", "width", "height", "resize", "iconlibrary", "language", "footer", "fullscreen", "hiddenButtons", "disabledButtons"];
        $.each(opts, function (_, opt) {
            if (typeof $(element).data(opt) !== "undefined") {
                options = typeof options == "object" ? options : {};
                options[opt] = $(element).data(opt)
            }
        });
        this.$ns = "bootstrap-markdown";
        this.$element = $(element);
        this.$editable = {el: null, type: null, attrKeys: [], attrValues: [], content: null};
        this.$options = $.extend(true, {}, $.fn.markdown.defaults, options, this.$element.data("options"));
        this.$oldContent = null;
        this.$isPreview = false;
        this.$isFullscreen = false;
        this.$editor = null;
        this.$textarea = null;
        this.$handler = [];
        this.$callback = [];
        this.$nextTab = [];
        this.showEditor()
    };
    Markdown.prototype = {
        constructor: Markdown, __alterButtons: function (name, alter) {
            var handler = this.$handler, isAll = name == "all", that = this;
            $.each(handler, function (k, v) {
                var halt = true;
                if (isAll) {
                    halt = false
                } else {
                    halt = v.indexOf(name) < 0
                }
                if (halt === false) {
                    alter(that.$editor.find('button[data-handler="' + v + '"]'))
                }
            })
        }, __buildButtons: function (buttonsArray, container) {
            var i, ns = this.$ns, handler = this.$handler, callback = this.$callback;
            for (i = 0; i < buttonsArray.length; i++) {
                var y, btnGroups = buttonsArray[i];
                for (y = 0; y < btnGroups.length; y++) {
                    var z, buttons = btnGroups[y].data, btnGroupContainer = $("<div/>", {class: "btn-group"});
                    for (z = 0; z < buttons.length; z++) {
                        var button = buttons[z], buttonContainer, buttonIconContainer, buttonHandler = ns + "-" + button.name, buttonIcon = this.__getIcon(button.icon), btnText = button.btnText ? button.btnText : "", btnClass = button.btnClass ? button.btnClass : "btn", tabIndex = button.tabIndex ? button.tabIndex : "-1", hotkey = typeof button.hotkey !== "undefined" ? button.hotkey : "", hotkeyCaption = typeof jQuery.hotkeys !== "undefined" && hotkey !== "" ? " (" + hotkey + ")" : "";
                        buttonContainer = $("<button></button>");
                        buttonContainer.text(" " + this.__localize(btnText)).addClass("btn-light").addClass(btnClass);
                        if (btnClass.match(/btn\-(primary|success|info|warning|danger|link)/)) {
                            buttonContainer.removeClass("btn-light")
                        }
                        buttonContainer.attr({type: "button", title: this.__localize(button.title) + hotkeyCaption, tabindex: tabIndex, "data-provider": ns, "data-handler": buttonHandler, "data-hotkey": hotkey});
                        if (button.toggle === true) {
                            buttonContainer.attr("data-toggle", "button")
                        }
                        buttonIconContainer = $("<span/>");
                        buttonIconContainer.addClass(buttonIcon);
                        buttonIconContainer.prependTo(buttonContainer);
                        btnGroupContainer.addClass("mr-2");
                        btnGroupContainer.append(buttonContainer);
                        handler.push(buttonHandler);
                        callback.push(button.callback)
                    }
                    container.append(btnGroupContainer)
                }
            }
            return container
        }, __setListener: function () {
            var hasRows = typeof this.$textarea.attr("rows") !== "undefined", maxRows = this.$textarea.val().split("\n").length > 5 ? this.$textarea.val().split("\n").length : "5", rowsVal = hasRows ? this.$textarea.attr("rows") : maxRows;
            this.$textarea.attr("rows", rowsVal);
            if (this.$options.resize) {
                this.$textarea.css("resize", this.$options.resize)
            }
            this.$textarea.on({focus: $.proxy(this.focus, this), keyup: $.proxy(this.keyup, this), change: $.proxy(this.change, this), select: $.proxy(this.select, this)});
            if (this.eventSupported("keydown")) {
                this.$textarea.on("keydown", $.proxy(this.keydown, this))
            }
            if (this.eventSupported("keypress")) {
                this.$textarea.on("keypress", $.proxy(this.keypress, this))
            }
            this.$textarea.data("markdown", this)
        }, __handle: function (e) {
            var target = $(e.currentTarget), handler = this.$handler, callback = this.$callback, handlerName = target.attr("data-handler"), callbackIndex = handler.indexOf(handlerName), callbackHandler = callback[callbackIndex];
            $(e.currentTarget).focus();
            callbackHandler(this);
            this.change(this);
            if (handlerName.indexOf("cmdSave") < 0) {
                this.$textarea.focus()
            }
            e.preventDefault()
        }, __localize: function (string) {
            var messages = $.fn.markdown.messages, language = this.$options.language;
            if (typeof messages !== "undefined" && typeof messages[language] !== "undefined" && typeof messages[language][string] !== "undefined") {
                return messages[language][string]
            }
            return string
        }, __getIcon: function (src) {
            return typeof src == "object" ? src[this.$options.iconlibrary] : src
        }, setFullscreen: function (mode) {
            var $editor = this.$editor, $textarea = this.$textarea;
            if (mode === true) {
                $editor.addClass("md-fullscreen-mode");
                $("body").addClass("md-nooverflow");
                this.$options.onFullscreen(this)
            } else {
                $editor.removeClass("md-fullscreen-mode");
                $("body").removeClass("md-nooverflow");
                if (this.$isPreview == true) this.hidePreview().showPreview()
            }
            this.$isFullscreen = mode;
            $textarea.focus()
        }, showEditor: function () {
            var instance = this, textarea, ns = this.$ns, container = this.$element, originalHeigth = container.css("height"), originalWidth = container.css("width"), editable = this.$editable, handler = this.$handler, callback = this.$callback, options = this.$options, editor = $("<div/>", {
                class: "md-editor", click: function () {
                    instance.focus()
                }
            });
            if (this.$editor === null) {
                var editorHeader = $("<div/>", {class: "md-header btn-toolbar"});
                var allBtnGroups = [];
                if (options.buttons.length > 0) allBtnGroups = allBtnGroups.concat(options.buttons[0]);
                if (options.additionalButtons.length > 0) {
                    $.each(options.additionalButtons[0], function (idx, buttonGroup) {
                        var matchingGroups = $.grep(allBtnGroups, function (allButtonGroup, allIdx) {
                            return allButtonGroup.name === buttonGroup.name
                        });
                        if (matchingGroups.length > 0) {
                            matchingGroups[0].data = matchingGroups[0].data.concat(buttonGroup.data)
                        } else {
                            allBtnGroups.push(options.additionalButtons[0][idx])
                        }
                    })
                }
                if (options.reorderButtonGroups.length > 0) {
                    allBtnGroups = allBtnGroups.filter(function (btnGroup) {
                        return options.reorderButtonGroups.indexOf(btnGroup.name) > -1
                    }).sort(function (a, b) {
                        if (options.reorderButtonGroups.indexOf(a.name) < options.reorderButtonGroups.indexOf(b.name)) return -1;
                        if (options.reorderButtonGroups.indexOf(a.name) > options.reorderButtonGroups.indexOf(b.name)) return 1;
                        return 0
                    })
                }
                if (allBtnGroups.length > 0) {
                    editorHeader = this.__buildButtons([allBtnGroups], editorHeader)
                }
                if (options.fullscreen.enable) {
                    editorHeader.append('<div class="md-controls"><a class="md-control md-control-fullscreen" href="#"><span class="' + this.__getIcon(options.fullscreen.icons.fullscreenOn) + '"></span></a></div>').on("click", ".md-control-fullscreen", function (e) {
                        e.preventDefault();
                        instance.setFullscreen(true)
                    })
                }
                editor.append(editorHeader);
                if (container.is("textarea")) {
                    container.before(editor);
                    textarea = container;
                    textarea.addClass("md-input");
                    editor.append(textarea)
                } else {
                    var rawContent = typeof toMarkdown == "function" ? toMarkdown(container.html()) : container.html(), currentContent = $.trim(rawContent);
                    textarea = $("<textarea/>", {class: "md-input", val: currentContent});
                    editor.append(textarea);
                    editable.el = container;
                    editable.type = container.prop("tagName").toLowerCase();
                    editable.content = container.html();
                    $(container[0].attributes).each(function () {
                        editable.attrKeys.push(this.nodeName);
                        editable.attrValues.push(this.nodeValue)
                    });
                    container.replaceWith(editor)
                }
                var editorFooter = $("<div/>", {class: "md-footer"}), createFooter = false, footer = "";
                if (options.savable) {
                    createFooter = true;
                    var saveHandler = "cmdSave";
                    handler.push(saveHandler);
                    callback.push(options.onSave);
                    editorFooter.append('<button class="btn btn-success" data-provider="' + ns + '" data-handler="' + saveHandler + '"><i class="icon icon-white icon-ok"></i> ' + this.__localize("Save") + "</button>")
                }
                footer = typeof options.footer === "function" ? options.footer(this) : options.footer;
                if ($.trim(footer) !== "") {
                    createFooter = true;
                    editorFooter.append(footer)
                }
                if (createFooter) editor.append(editorFooter);
                if (options.width && options.width !== "inherit") {
                    if (jQuery.isNumeric(options.width)) {
                        editor.css("display", "table");
                        textarea.css("width", options.width + "px")
                    } else {
                        editor.addClass(options.width)
                    }
                }
                if (options.height && options.height !== "inherit") {
                    if (jQuery.isNumeric(options.height)) {
                        var height = options.height;
                        if (editorHeader) height = Math.max(0, height - editorHeader.outerHeight());
                        if (editorFooter) height = Math.max(0, height - editorFooter.outerHeight());
                        textarea.css("height", height + "px")
                    } else {
                        editor.addClass(options.height)
                    }
                }
                this.$editor = editor;
                this.$textarea = textarea;
                this.$editable = editable;
                this.$oldContent = this.getContent();
                this.__setListener();
                this.$editor.attr("id", (new Date).getTime());
                this.$editor.on("click", '[data-provider="bootstrap-markdown"]', $.proxy(this.__handle, this));
                if (this.$element.is(":disabled") || this.$element.is("[readonly]")) {
                    this.$editor.addClass("md-editor-disabled");
                    this.disableButtons("all")
                }
                if (this.eventSupported("keydown") && typeof jQuery.hotkeys === "object") {
                    editorHeader.find('[data-provider="bootstrap-markdown"]').each(function () {
                        var $button = $(this), hotkey = $button.attr("data-hotkey");
                        if (hotkey.toLowerCase() !== "") {
                            textarea.bind("keydown", hotkey, function () {
                                $button.trigger("click");
                                return false
                            })
                        }
                    })
                }
                if (options.initialstate === "preview") {
                    this.showPreview()
                } else if (options.initialstate === "fullscreen" && options.fullscreen.enable) {
                    this.setFullscreen(true)
                }
            } else {
                this.$editor.show()
            }
            if (options.autofocus) {
                this.$textarea.focus();
                this.$editor.addClass("active")
            }
            if (options.fullscreen.enable && options.fullscreen !== false) {
                this.$editor.append('<div class="md-fullscreen-controls">' + '<a href="#" class="exit-fullscreen" title="Exit fullscreen"><span class="' + this.__getIcon(options.fullscreen.icons.fullscreenOff) + '">' + "</span></a>" + "</div>");
                this.$editor.on("click", ".exit-fullscreen", function (e) {
                    e.preventDefault();
                    instance.setFullscreen(false)
                })
            }
            this.hideButtons(options.hiddenButtons);
            this.disableButtons(options.disabledButtons);
            options.onShow(this);
            return this
        }, parseContent: function (val) {
            var content;
            var val = val || this.$textarea.val();
            if (this.$options.parser) {
                content = this.$options.parser(val)
            } else if (typeof markdown == "object") {
                content = markdown.toHTML(val)
            } else if (typeof marked == "function") {
                content = marked(val)
            } else {
                content = val
            }
            return content
        }, showPreview: function () {
            var options = this.$options, container = this.$textarea, afterContainer = container.next(), replacementContainer = $("<div/>", {class: "md-preview", "data-provider": "markdown-preview"}), content, callbackContent;
            if (this.$isPreview == true) {
                return this
            }
            this.$isPreview = true;
            this.disableButtons("all").enableButtons("cmdPreview");
            callbackContent = options.onPreview(this);
            content = typeof callbackContent == "string" ? callbackContent : this.parseContent();
            replacementContainer.html(content);
            if (afterContainer && afterContainer.attr("class") == "md-footer") {
                replacementContainer.insertBefore(afterContainer)
            } else {
                container.parent().append(replacementContainer)
            }
            replacementContainer.css({width: container.outerWidth() + "px", height: container.outerHeight() + "px"});
            if (this.$options.resize) {
                replacementContainer.css("resize", this.$options.resize)
            }
            container.hide();
            replacementContainer.data("markdown", this);
            if (this.$element.is(":disabled") || this.$element.is("[readonly]")) {
                this.$editor.addClass("md-editor-disabled");
                this.disableButtons("all")
            }
            return this
        }, hidePreview: function () {
            this.$isPreview = false;
            var container = this.$editor.find('div[data-provider="markdown-preview"]');
            container.remove();
            this.enableButtons("all");
            this.disableButtons(this.$options.disabledButtons);
            this.$textarea.show();
            this.__setListener();
            return this
        }, isDirty: function () {
            return this.$oldContent != this.getContent()
        }, getContent: function () {
            return this.$textarea.val()
        }, setContent: function (content) {
            this.$textarea.val(content);
            return this
        }, findSelection: function (chunk) {
            var content = this.getContent(), startChunkPosition;
            if (startChunkPosition = content.indexOf(chunk), startChunkPosition >= 0 && chunk.length > 0) {
                var oldSelection = this.getSelection(), selection;
                this.setSelection(startChunkPosition, startChunkPosition + chunk.length);
                selection = this.getSelection();
                this.setSelection(oldSelection.start, oldSelection.end);
                return selection
            } else {
                return null
            }
        }, getSelection: function () {
            var e = this.$textarea[0];
            return ("selectionStart" in e && function () {
                var l = e.selectionEnd - e.selectionStart;
                return {start: e.selectionStart, end: e.selectionEnd, length: l, text: e.value.substr(e.selectionStart, l)}
            } || function () {
                return null
            })()
        }, setSelection: function (start, end) {
            var e = this.$textarea[0];
            return ("selectionStart" in e && function () {
                e.selectionStart = start;
                e.selectionEnd = end;
                return
            } || function () {
                return null
            })()
        }, replaceSelection: function (text) {
            var e = this.$textarea[0];
            return ("selectionStart" in e && function () {
                e.value = e.value.substr(0, e.selectionStart) + text + e.value.substr(e.selectionEnd, e.value.length);
                e.selectionStart = e.value.length;
                return this
            } || function () {
                e.value += text;
                return jQuery(e)
            })()
        }, getNextTab: function () {
            if (this.$nextTab.length === 0) {
                return null
            } else {
                var nextTab, tab = this.$nextTab.shift();
                if (typeof tab == "function") {
                    nextTab = tab()
                } else if (typeof tab == "object" && tab.length > 0) {
                    nextTab = tab
                }
                return nextTab
            }
        }, setNextTab: function (start, end) {
            if (typeof start == "string") {
                var that = this;
                this.$nextTab.push(function () {
                    return that.findSelection(start)
                })
            } else if (typeof start == "number" && typeof end == "number") {
                var oldSelection = this.getSelection();
                this.setSelection(start, end);
                this.$nextTab.push(this.getSelection());
                this.setSelection(oldSelection.start, oldSelection.end)
            }
            return
        }, __parseButtonNameParam: function (names) {
            return typeof names == "string" ? names.split(" ") : names
        }, enableButtons: function (name) {
            var buttons = this.__parseButtonNameParam(name), that = this;
            $.each(buttons, function (i, v) {
                that.__alterButtons(buttons[i], function (el) {
                    el.removeAttr("disabled")
                })
            });
            return this
        }, disableButtons: function (name) {
            var buttons = this.__parseButtonNameParam(name), that = this;
            $.each(buttons, function (i, v) {
                that.__alterButtons(buttons[i], function (el) {
                    el.attr("disabled", "disabled")
                })
            });
            return this
        }, hideButtons: function (name) {
            var buttons = this.__parseButtonNameParam(name), that = this;
            $.each(buttons, function (i, v) {
                that.__alterButtons(buttons[i], function (el) {
                    el.prop("hidden", true)
                })
            });
            return this
        }, showButtons: function (name) {
            var buttons = this.__parseButtonNameParam(name), that = this;
            $.each(buttons, function (i, v) {
                that.__alterButtons(buttons[i], function (el) {
                    el.removeProp("hidden")
                })
            });
            return this
        }, eventSupported: function (eventName) {
            var isSupported = eventName in this.$element;
            if (!isSupported) {
                this.$element.setAttribute(eventName, "return;");
                isSupported = typeof this.$element[eventName] === "function"
            }
            return isSupported
        }, keyup: function (e) {
            var blocked = false;
            switch (e.keyCode) {
                case 40:
                case 38:
                case 16:
                case 17:
                case 18:
                    break;
                case 9:
                    if (typeof tabOverride !== 'undefined') {
                        break;
                    }
                    var nextTab;
                    if (nextTab = this.getNextTab(), nextTab !== null) {
                        var that = this;
                        setTimeout(function () {
                            that.setSelection(nextTab.start, nextTab.end)
                        }, 500);
                        blocked = true
                    } else {
                        var cursor = this.getSelection();
                        if (cursor.start == cursor.end && cursor.end == this.getContent().length) {
                            blocked = false
                        } else {
                            this.setSelection(this.getContent().length, this.getContent().length);
                            blocked = true
                        }
                    }
                    break;
                case 13:
                    blocked = false;
                    break;
                case 27:
                    if (this.$isFullscreen) this.setFullscreen(false);
                    blocked = false;
                    break;
                default:
                    blocked = false
            }
            if (blocked) {
                e.stopPropagation();
                e.preventDefault()
            }
            this.$options.onChange(this)
        }, change: function (e) {
            this.$options.onChange(this);
            return this
        }, select: function (e) {
            this.$options.onSelect(this);
            return this
        }, focus: function (e) {
            var options = this.$options, isHideable = options.hideable, editor = this.$editor;
            editor.addClass("active");
            $(document).find(".md-editor").each(function () {
                if ($(this).attr("id") !== editor.attr("id")) {
                    var attachedMarkdown;
                    if (attachedMarkdown = $(this).find("textarea").data("markdown"), attachedMarkdown === null) {
                        attachedMarkdown = $(this).find('div[data-provider="markdown-preview"]').data("markdown")
                    }
                    if (attachedMarkdown) {
                        attachedMarkdown.blur()
                    }
                }
            });
            options.onFocus(this);
            return this
        }, blur: function (e) {
            var options = this.$options, isHideable = options.hideable, editor = this.$editor, editable = this.$editable;
            if (editor.hasClass("active") || this.$element.parent().length === 0) {
                editor.removeClass("active");
                if (isHideable) {
                    if (editable.el !== null) {
                        var oldElement = $("<" + editable.type + "/>"), content = this.getContent(), currentContent = this.parseContent(content);
                        $(editable.attrKeys).each(function (k, v) {
                            oldElement.attr(editable.attrKeys[k], editable.attrValues[k])
                        });
                        oldElement.html(currentContent);
                        editor.replaceWith(oldElement)
                    } else {
                        editor.hide()
                    }
                }
                options.onBlur(this)
            }
            return this
        }
    };
    var old = $.fn.markdown;
    $.fn.markdown = function (option) {
        return this.each(function () {
            var $this = $(this), data = $this.data("markdown"), options = typeof option == "object" && option;
            if (!data) $this.data("markdown", data = new Markdown(this, options))
        })
    };
    $.fn.markdown.messages = {};
    $.fn.markdown.defaults = {
        autofocus: false, hideable: false, savable: false, width: "inherit", height: "inherit", resize: "none", iconlibrary: "glyph", language: "en", initialstate: "editor", parser: null, buttons: [[{
            name: "groupFont", data: [{
                name: "cmdBold", hotkey: "Ctrl+B", title: "Bold", icon: {glyph: "glyphicon glyphicon-bold", fa: "fa fa-bold", "fa-3": "icon-bold"}, callback: function (e) {
                    var chunk, cursor, selected = e.getSelection(), content = e.getContent();
                    if (selected.length === 0) {
                        chunk = e.__localize("strong text")
                    } else {
                        chunk = selected.text
                    }
                    if (content.substr(selected.start - 2, 2) === "**" && content.substr(selected.end, 2) === "**") {
                        e.setSelection(selected.start - 2, selected.end + 2);
                        e.replaceSelection(chunk);
                        cursor = selected.start - 2
                    } else {
                        e.replaceSelection("**" + chunk + "**");
                        cursor = selected.start + 2
                    }
                    e.setSelection(cursor, cursor + chunk.length)
                }
            }, {
                name: "cmdItalic", title: "Italic", hotkey: "Ctrl+I", icon: {glyph: "glyphicon glyphicon-italic", fa: "fa fa-italic", "fa-3": "icon-italic"}, callback: function (e) {
                    var chunk, cursor, selected = e.getSelection(), content = e.getContent();
                    if (selected.length === 0) {
                        chunk = e.__localize("emphasized text")
                    } else {
                        chunk = selected.text
                    }
                    if (content.substr(selected.start - 1, 1) === "_" && content.substr(selected.end, 1) === "_") {
                        e.setSelection(selected.start - 1, selected.end + 1);
                        e.replaceSelection(chunk);
                        cursor = selected.start - 1
                    } else {
                        e.replaceSelection("_" + chunk + "_");
                        cursor = selected.start + 1
                    }
                    e.setSelection(cursor, cursor + chunk.length)
                }
            }, {
                name: "cmdHeading", title: "Heading", hotkey: "Ctrl+H", icon: {glyph: "glyphicon glyphicon-header", fa: "fa fa-header", "fa-3": "icon-font"}, callback: function (e) {
                    var chunk, cursor, selected = e.getSelection(), content = e.getContent(), pointer, prevChar;
                    if (selected.length === 0) {
                        chunk = e.__localize("heading text")
                    } else {
                        chunk = selected.text + "\n"
                    }
                    if ((pointer = 4, content.substr(selected.start - pointer, pointer) === "### ") || (pointer = 3, content.substr(selected.start - pointer, pointer) === "###")) {
                        e.setSelection(selected.start - pointer, selected.end);
                        e.replaceSelection(chunk);
                        cursor = selected.start - pointer
                    } else if (selected.start > 0 && (prevChar = content.substr(selected.start - 1, 1), !!prevChar && prevChar != "\n")) {
                        e.replaceSelection("\n\n### " + chunk);
                        cursor = selected.start + 6
                    } else {
                        e.replaceSelection("### " + chunk);
                        cursor = selected.start + 4
                    }
                    e.setSelection(cursor, cursor + chunk.length)
                }
            }]
        }, {
            name: "groupLink", data: [{
                name: "cmdUrl", title: "URL/Link", hotkey: "Ctrl+L", icon: {glyph: "glyphicon glyphicon-link", fa: "fa fa-link", "fa-3": "icon-link"}, callback: function (e) {
                    var chunk, cursor, selected = e.getSelection(), content = e.getContent(), link;
                    if (selected.length === 0) {
                        chunk = e.__localize("enter link description here")
                    } else {
                        chunk = selected.text
                    }
                    link = prompt(e.__localize("Insert Hyperlink"), "http://");
                    var urlRegex = new RegExp("^((http|https)://|(mailto:)|(//))[a-z0-9]", "i");
                    if (link !== null && link !== "" && link !== "http://" && urlRegex.test(link)) {
                        var sanitizedLink = $("<div>" + link + "</div>").text();
                        e.replaceSelection("[" + chunk + "](" + sanitizedLink + ")");
                        cursor = selected.start + 1;
                        e.setSelection(cursor, cursor + chunk.length)
                    }
                }
            }, {
                name: "cmdImage", title: "Image", hotkey: "Ctrl+G", icon: {glyph: "glyphicon glyphicon-picture", fa: "fa fa-picture-o", "fa-3": "icon-image"}, callback: function (e) {
                    var chunk, cursor, selected = e.getSelection(), content = e.getContent(), link;
                    if (selected.length === 0) {
                        chunk = e.__localize("enter image description here")
                    } else {
                        chunk = selected.text
                    }
                    link = prompt(e.__localize("Insert Image Hyperlink"), "http://");
                    var urlRegex = new RegExp("^((http|https)://|(//))[a-z0-9]", "i");
                    if (link !== null && link !== "" && link !== "http://" && urlRegex.test(link)) {
                        var sanitizedLink = $("<div>" + link + "</div>").text();
                        e.replaceSelection("![" + chunk + "](" + sanitizedLink + ' "' + e.__localize("enter image title here") + '")');
                        cursor = selected.start + 2;
                        e.setNextTab(e.__localize("enter image title here"));
                        e.setSelection(cursor, cursor + chunk.length)
                    }
                }
            }, {
                name: "cmdFile", title: "Attachment File", icon: {glyph: "glyphicon glyphicon-file", fa: "fa fa-file-archive-o", "fa-3": "icon-file"}, callback: function (e) {
                    var chunk, cursor, selected = e.getSelection(), content = e.getContent(), link;
                    if (selected.length === 0) {
                        chunk = e.__localize("enter file description here")
                    } else {
                        chunk = selected.text
                    }
                    link = prompt(e.__localize("Insert File Hyperlink"), "http://");
                    var urlRegex = new RegExp("^((http|https)://|(//))[a-z0-9]", "i");
                    if (link !== null && link !== "" && link !== "http://" && urlRegex.test(link)) {
                        var sanitizedLink = $("<div>" + link + "</div>").text();
                        e.replaceSelection("[" + chunk + "](" + sanitizedLink + ' "' + e.__localize("enter file title here") + '")');
                        cursor = selected.start + 2;
                        e.setNextTab(e.__localize("enter file title here"));
                        e.setSelection(cursor, cursor + chunk.length)
                    }
                }
            }]
        }, {
            name: "groupMisc", data: [{
                name: "cmdList", hotkey: "Ctrl+U", title: "Unordered List", icon: {glyph: "glyphicon glyphicon-list", fa: "fa fa-list", "fa-3": "icon-list-ul"}, callback: function (e) {
                    var chunk, cursor, selected = e.getSelection(), content = e.getContent();
                    if (selected.length === 0) {
                        chunk = e.__localize("list text here");
                        e.replaceSelection("- " + chunk);
                        cursor = selected.start + 2
                    } else {
                        if (selected.text.indexOf("\n") < 0) {
                            chunk = selected.text;
                            e.replaceSelection("- " + chunk);
                            cursor = selected.start + 2
                        } else {
                            var list = [];
                            list = selected.text.split("\n");
                            chunk = list[0];
                            $.each(list, function (k, v) {
                                list[k] = "- " + v
                            });
                            e.replaceSelection("\n\n" + list.join("\n"));
                            cursor = selected.start + 4
                        }
                    }
                    e.setSelection(cursor, cursor + chunk.length)
                }
            }, {
                name: "cmdListO", hotkey: "Ctrl+O", title: "Ordered List", icon: {glyph: "glyphicon glyphicon-th-list", fa: "fa fa-list-ol", "fa-3": "icon-list-ol"}, callback: function (e) {
                    var chunk, cursor, selected = e.getSelection(), content = e.getContent();
                    if (selected.length === 0) {
                        chunk = e.__localize("list text here");
                        e.replaceSelection("1. " + chunk);
                        cursor = selected.start + 3
                    } else {
                        if (selected.text.indexOf("\n") < 0) {
                            chunk = selected.text;
                            e.replaceSelection("1. " + chunk);
                            cursor = selected.start + 3
                        } else {
                            var list = [];
                            list = selected.text.split("\n");
                            chunk = list[0];
                            $.each(list, function (k, v) {
                                list[k] = "1. " + v
                            });
                            e.replaceSelection("\n\n" + list.join("\n"));
                            cursor = selected.start + 5
                        }
                    }
                    e.setSelection(cursor, cursor + chunk.length)
                }
            }, {
                name: "cmdCode", hotkey: "Ctrl+K", title: "Code", icon: {glyph: "glyphicon glyphicon-asterisk", fa: "fa fa-code", "fa-3": "icon-code"}, callback: function (e) {
                    var chunk, cursor, selected = e.getSelection(), content = e.getContent();
                    if (selected.length === 0) {
                        chunk = e.__localize("code text here")
                    } else {
                        chunk = selected.text
                    }
                    if (content.substr(selected.start - 4, 4) === "```\n" && content.substr(selected.end, 4) === "\n```") {
                        e.setSelection(selected.start - 4, selected.end + 4);
                        e.replaceSelection(chunk);
                        cursor = selected.start - 4
                    } else if (content.substr(selected.start - 1, 1) === "`" && content.substr(selected.end, 1) === "`") {
                        e.setSelection(selected.start - 1, selected.end + 1);
                        e.replaceSelection(chunk);
                        cursor = selected.start - 1
                    } else if (content.indexOf("\n") > -1) {
                        e.replaceSelection("```\n" + chunk + "\n```");
                        cursor = selected.start + 4
                    } else {
                        e.replaceSelection("`" + chunk + "`");
                        cursor = selected.start + 1
                    }
                    e.setSelection(cursor, cursor + chunk.length)
                }
            }, {
                name: "cmdQuote", hotkey: "Ctrl+Q", title: "Quote", icon: {glyph: "glyphicon glyphicon-comment", fa: "fa fa-quote-left", "fa-3": "icon-quote-left"}, callback: function (e) {
                    var chunk, cursor, selected = e.getSelection(), content = e.getContent();
                    if (selected.length === 0) {
                        chunk = e.__localize("quote here");
                        e.replaceSelection("> " + chunk);
                        cursor = selected.start + 2
                    } else {
                        if (selected.text.indexOf("\n") < 0) {
                            chunk = selected.text;
                            e.replaceSelection("> " + chunk);
                            cursor = selected.start + 2
                        } else {
                            var list = [];
                            list = selected.text.split("\n");
                            chunk = list[0];
                            $.each(list, function (k, v) {
                                list[k] = "> " + v
                            });
                            e.replaceSelection("\n\n" + list.join("\n"));
                            cursor = selected.start + 4
                        }
                    }
                    e.setSelection(cursor, cursor + chunk.length)
                }
            }]
        }, {
            name: "groupUtil", data: [{
                name: "cmdPreview", toggle: true, hotkey: "Ctrl+P", title: "Preview", btnText: "Preview", btnClass: "btn btn-light", icon: {glyph: "glyphicon glyphicon-search", fa: "fa fa-search", "fa-3": "icon-search"}, callback: function (e) {
                    var isPreview = e.$isPreview, content;
                    if (isPreview === false) {
                        e.showPreview()
                    } else {
                        e.hidePreview()
                    }
                }
            }]
        }]], additionalButtons: [], reorderButtonGroups: [], hiddenButtons: [], disabledButtons: [], footer: "", fullscreen: {enable: true, icons: {fullscreenOn: {fa: "fa fa-expand", glyph: "glyphicon glyphicon-fullscreen", "fa-3": "icon-expand"}, fullscreenOff: {fa: "fa fa-compress", glyph: "glyphicon glyphicon-fullscreen", "fa-3": "icon-compress"}}}, onShow: function (e) {
        }, onPreview: function (e) {
        }, onSave: function (e) {
        }, onBlur: function (e) {
        }, onFocus: function (e) {
        }, onChange: function (e) {
        }, onFullscreen: function (e) {
        }, onSelect: function (e) {
        }
    };
    $.fn.markdown.Constructor = Markdown;
    $.fn.markdown.noConflict = function () {
        $.fn.markdown = old;
        return this
    };
    var initMarkdown = function (el) {
        var $this = el;
        if ($this.data("markdown")) {
            $this.data("markdown").showEditor();
            return
        }
        $this.markdown()
    };
    var blurNonFocused = function (e) {
        var $activeElement = $(document.activeElement);
        $(document).find(".md-editor").each(function () {
            var $this = $(this), focused = $activeElement.closest(".md-editor")[0] === this, attachedMarkdown = $this.find("textarea").data("markdown") || $this.find('div[data-provider="markdown-preview"]').data("markdown");
            if (attachedMarkdown && !focused) {
                attachedMarkdown.blur()
            }
        })
    };
    $(document).on("click.markdown.data-api", '[data-provide="markdown-editable"]', function (e) {
        initMarkdown($(this));
        e.preventDefault()
    }).on("click focusin", function (e) {
        blurNonFocused(e)
    }).ready(function () {
        $('textarea[data-provide="markdown"]').each(function () {
            initMarkdown($(this))
        })
    })
});