摘要：之前的編輯器一直用的是但是問題也不少之后覺得換成編輯器首選當然就是主要原因就是界面美觀功能全面但是問題也有比如圖片上傳不知道為什么作者會用那么蛋疼的表單上傳難道只是為了兼容看了上的維護時間最后一次維護差不多半年了想讓作者來改可能性是不大了那

之前的編輯器一直用的是simditor, 但是問題也不少, 之后覺得換成markdown編輯器, 首選當然就是editor.md, 主要原因就是界面美觀, 功能全面...

但是editor.md問題也有, 比如圖片上傳, 不知道為什么作者會用那么蛋疼的表單上傳, 難道只是為了兼容IE8? 看了github上的維護時間, 最后一次維護差不多半年了, 想讓作者來改, 可能性是不大了, 那么就只能自己來了...

editor.md的圖片上傳是以插件的形式存在的, 文件在./plugins/image-dialog/image-dialog.js, 我們就拿這個文件開刀.

另外, editor.md添加圖片后, 不設置alt, 會自動跳到第二行, 只需要把cm.setCursor(cursor.line, cursor.ch + 2)注釋了即可, 沒有搞明白作者這段代碼的用意是什么...

exports.fn.imageDialog = function () {
    var cm = this.cm
    var lang = this.lang
    var editor = this.editor
    var settings = this.settings
    var cursor = cm.getCursor()
    var selection = cm.getSelection()
    var imageLang = lang.dialog.image
    var classPrefix = this.classPrefix
    var iframeName = classPrefix + "image-iframe"
    var dialogName = classPrefix + pluginName,
        dialog
    cm.focus()
    var loading = function (show) {
        var _loading = dialog.find("." + classPrefix + "dialog-mask")
        _loading[(show) ? "show" : "hide"]()
    }
    if (editor.find("." + dialogName).length < 1) {
        var guid = new Date().getTime()
        var action = settings.imageUploadURL + (settings.imageUploadURL.indexOf("?") >= 0 ? "&" : "?") + "guid=" + guid
        if (settings.crossDomainUpload) {
            action += "&callback=" + settings.uploadCallbackURL + "&dialog_id=editormd-image-dialog-" + guid
        }
        var dialogContent = ((settings.imageUpload) ? "
" : "
") +
            "" + imageLang.url + "" +
            "" + (function () {
                return (settings.imageUpload) ? "
" +
                "" +
                "" +
                "
" : ""
            })() +
            "
" +
            "" + imageLang.alt + "" +
            "" +
            "
" +
            "" + imageLang.link + "" +
            "" +
            "
" +
            ((settings.imageUpload) ? "" : "
")
        dialog = this.createDialog({
            title: imageLang.title,
            width: (settings.imageUpload) ? 465 : 380,
            height: 254,
            name: dialogName,
            content: dialogContent,
            mask: settings.dialogShowMask,
            drag: settings.dialogDraggable,
            lockScreen: settings.dialogLockScreen,
            maskStyle: {
                opacity: settings.dialogMaskOpacity,
                backgroundColor: settings.dialogMaskBgColor
            },
            buttons: {
                enter: [lang.buttons.enter, function () {
                    var url = this.find("[data-url]").val()
                    var alt = this.find("[data-alt]").val()
                    var link = this.find("[data-link]").val()
                    if (url === "") {
                        alert(imageLang.imageURLEmpty)
                        return false
                    }
                    var altAttr = (alt !== "") ? " "" + alt + """ : ""
                    var arr_url = url.split("$$")
                    var text = ""
                    for (var i = 0, length = arr_url.length; i < length; i++) {
                        if (link === "" || link === "http://") {
                            text = text + "![" + alt + "](" + arr_url[i] + altAttr + ")

"
                        } else {
                            text = text + "[![" + alt + "](" + arr_url[i] + altAttr + ")](" + link + altAttr + ")

"
                        }
                    }
                    cm.replaceSelection(text)
                    if (alt === "") {
                        // cm.setCursor(cursor.line, cursor.ch + 2)
                    }
                    this.hide().lockScreen(false).hideMask()
                    return false
                }],
                cancel: [lang.buttons.cancel, function () {
                    this.hide().lockScreen(false).hideMask()
                    return false
                }]
            }
        })
        dialog.attr("id", classPrefix + "image-dialog-" + guid)
        if (!settings.imageUpload) {
            return
        }
        var Qiniu_upload = function(files, length, i) {
            if (length > i) {
                var formdata = new FormData()
                formdata.append("file", files[i])
                formdata.append("key", new Date().getTime() + ".jpg")
                formdata.append("token", "七牛賬號對應的token")
                $.ajax({
                    type: "POST",
                    url: "http://up.qiniu.com/",
                    data: formdata,
                    dataType: "json",
                    contentType: false,
                    processData: false
                }).then(function(json) {
                    var oldurl = $("[data-url]").val()
                    if (oldurl === "") {
                        $("[data-url]").val("七牛圖片服務器的域名/" + json.key)
                    } else {
                        oldurl = oldurl + "$$七牛圖片服務器的域名/" + json.key
                        $("[data-url]").val(oldurl)
                    }
                    i++
                    Qiniu_upload(files, length, i)
                }, function (err) {
                    console.log(err)
                })
            } else {
                $("[name="file"]").val("")
                loading(false)
            }
        }
        var submitHandler = function() {
            var files = $("[name="file"]")[0].files
            if (files.length > 0) {
                Qiniu_upload(files, files.length, 0)
            }
            return false
        }
        var fileInput = dialog.find("[name="file"]")
        fileInput.off("change").on("change", function() {
            var fileName = fileInput.val()
            var isImage = new RegExp("(.(" + settings.imageFormats.join("|") + "))$") // /(.(webp|jpg|jpeg|gif|bmp|png))$/
            if (fileName === "") {
                alert(imageLang.uploadFileEmpty)
                return false
            }
            if (!isImage.test(fileName)) {
                alert(imageLang.formatNotAllowed + settings.imageFormats.join(", "))
                return false
            }
            loading(true)
            dialog.find("[type="submit"]").off("click").on("click", submitHandler).trigger("click")
        })
    }
    dialog = editor.find("." + dialogName)
    dialog.find("[type="text"]").val("")
    dialog.find("[type="file"]").val("")
    dialog.find("[data-link]").val("http://")
    this.dialogShowMask(dialog)
    this.dialogLockScreen()
    dialog.show()
}