integrate wysihtml5 with qiniu cloud and jquery file upload

bootstrap-wysihtml5.js

!function($, wysi) {
    "use strict";

    var tpl = {
        "font-styles": function(locale, options) {
            var size = (options && options.size) ? ' btn-'+options.size : '';
            return "<li class='dropdown'>" +
              "<a class='btn dropdown-toggle" + size + "' data-toggle='dropdown' href='#'>" +
              "<i class='icon-font'></i>&nbsp;<span class='current-font'>" + locale.font_styles.normal + "</span>&nbsp;<b class='caret'></b>" +
              "</a>" +
              "<ul class='dropdown-menu'>" +
                "<li><a data-wysihtml5-command='formatBlock' data-wysihtml5-command-value='div' tabindex='-1'>" + locale.font_styles.normal + "</a></li>" +
                "<li><a data-wysihtml5-command='formatBlock' data-wysihtml5-command-value='h1' tabindex='-1'>" + locale.font_styles.h1 + "</a></li>" +
                "<li><a data-wysihtml5-command='formatBlock' data-wysihtml5-command-value='h2' tabindex='-1'>" + locale.font_styles.h2 + "</a></li>" +
                "<li><a data-wysihtml5-command='formatBlock' data-wysihtml5-command-value='h3' tabindex='-1'>" + locale.font_styles.h3 + "</a></li>" +
                "<li><a data-wysihtml5-command='formatBlock' data-wysihtml5-command-value='h4'>" + locale.font_styles.h4 + "</a></li>" +
                "<li><a data-wysihtml5-command='formatBlock' data-wysihtml5-command-value='h5'>" + locale.font_styles.h5 + "</a></li>" +
                "<li><a data-wysihtml5-command='formatBlock' data-wysihtml5-command-value='h6'>" + locale.font_styles.h6 + "</a></li>" +
              "</ul>" +
            "</li>";
        },

        "emphasis": function(locale, options) {
            var size = (options && options.size) ? ' btn-'+options.size : '';
            return "<li>" +
              "<div class='btn-group'>" +
                "<a class='btn" + size + "' data-wysihtml5-command='bold' title='CTRL+B' tabindex='-1'>" + locale.emphasis.bold + "</a>" +
                "<a class='btn" + size + "' data-wysihtml5-command='italic' title='CTRL+I' tabindex='-1'>" + locale.emphasis.italic + "</a>" +
                "<a class='btn" + size + "' data-wysihtml5-command='underline' title='CTRL+U' tabindex='-1'>" + locale.emphasis.underline + "</a>" +
              "</div>" +
            "</li>";
        },

        "lists": function(locale, options) {
            var size = (options && options.size) ? ' btn-'+options.size : '';
            return "<li>" +
              "<div class='btn-group'>" +
                "<a class='btn" + size + "' data-wysihtml5-command='insertUnorderedList' title='" + locale.lists.unordered + "' tabindex='-1'><i class='icon-list'></i></a>" +
                "<a class='btn" + size + "' data-wysihtml5-command='insertOrderedList' title='" + locale.lists.ordered + "' tabindex='-1'><i class='icon-th-list'></i></a>" +
                "<a class='btn" + size + "' data-wysihtml5-command='Outdent' title='" + locale.lists.outdent + "' tabindex='-1'><i class='icon-indent-right'></i></a>" +
                "<a class='btn" + size + "' data-wysihtml5-command='Indent' title='" + locale.lists.indent + "' tabindex='-1'><i class='icon-indent-left'></i></a>" +
              "</div>" +
            "</li>";
        },

        "link": function(locale, options) {
            var size = (options && options.size) ? ' btn-'+options.size : '';
            return "<li>" +
              "<div class='bootstrap-wysihtml5-insert-link-modal modal hide fade'>" +
                "<div class='modal-header'>" +
                  "<a class='close' data-dismiss='modal'>&times;</a>" +
                  "<h3>" + locale.link.insert + "</h3>" +
                "</div>" +
                "<div class='modal-body'>" +
                  "<input value='http://' class='bootstrap-wysihtml5-insert-link-url input-xlarge'>" +
                  "<label class='checkbox'> <input type='checkbox' class='bootstrap-wysihtml5-insert-link-target' checked>" + locale.link.target + "</label>" +
                "</div>" +
                "<div class='modal-footer'>" +
                  "<a href='#' class='btn' data-dismiss='modal'>" + locale.link.cancel + "</a>" +
                  "<a href='#' class='btn btn-primary' data-dismiss='modal'>" + locale.link.insert + "</a>" +
                "</div>" +
              "</div>" +
              "<a class='btn" + size + "' data-wysihtml5-command='createLink' title='" + locale.link.insert + "' tabindex='-1'><i class='icon-share'></i></a>" +
            "</li>";
        },

        "image": function(locale, options) {
            var size = (options && options.size) ? ' btn-'+options.size : '';
            var fileUploader = options.fileUpload ?
                "<input name='file' class='file-uploader' type='file' multiple><br />" + locale.image.usage + "<div class='uploaded'></div>" : "";

            return "<li>" +
              "<div class='bootstrap-wysihtml5-insert-image-modal modal hide fade'>" +
                "<div class='modal-header'>" +
                  "<a class='close' data-dismiss='modal'>&times;</a>" +
                  "<h3>" + locale.image.insert + "</h3>" +
                "</div>" +
                "<div class='modal-body'>" +
                  "<input value='http://' class='bootstrap-wysihtml5-insert-image-url input-xlarge'>" +
                  "<br />" +
                  fileUploader +
                "</div>" +
                "<div class='modal-footer'>" +
                  "<a href='#' class='btn clear-temp-images' >" + locale.image.clear + "</a>" +
                  "<a href='#' class='btn' data-dismiss='modal'>" + locale.image.cancel + "</a>" +
                  "<a href='#' class='btn btn-primary' data-dismiss='modal'>" + locale.image.insert + "</a>" +
                "</div>" +
              "</div>" +
              "<a class='btn" + size + "' data-wysihtml5-command='insertImage' title='" + locale.image.insert + "' tabindex='-1'><i class='icon-picture'></i></a>" +
            "</li>";
        },

        "html": function(locale, options) {
            var size = (options && options.size) ? ' btn-'+options.size : '';
            return "<li>" +
              "<div class='btn-group'>" +
                "<a class='btn" + size + "' data-wysihtml5-action='change_view' title='" + locale.html.edit + "' tabindex='-1'><i class='icon-pencil'></i></a>" +
              "</div>" +
            "</li>";
        },

        "color": function(locale, options) {
            var size = (options && options.size) ? ' btn-'+options.size : '';
            return "<li class='dropdown'>" +
              "<a class='btn dropdown-toggle" + size + "' data-toggle='dropdown' href='#' tabindex='-1'>" +
                "<span class='current-color'>" + locale.colours.black + "</span>&nbsp;<b class='caret'></b>" +
              "</a>" +
              "<ul class='dropdown-menu'>" +
                "<li><div class='wysihtml5-colors' data-wysihtml5-command-value='black'></div><a class='wysihtml5-colors-title' data-wysihtml5-command='foreColor' data-wysihtml5-command-value='black'>" + locale.colours.black + "</a></li>" +
                "<li><div class='wysihtml5-colors' data-wysihtml5-command-value='silver'></div><a class='wysihtml5-colors-title' data-wysihtml5-command='foreColor' data-wysihtml5-command-value='silver'>" + locale.colours.silver + "</a></li>" +
                "<li><div class='wysihtml5-colors' data-wysihtml5-command-value='gray'></div><a class='wysihtml5-colors-title' data-wysihtml5-command='foreColor' data-wysihtml5-command-value='gray'>" + locale.colours.gray + "</a></li>" +
                "<li><div class='wysihtml5-colors' data-wysihtml5-command-value='maroon'></div><a class='wysihtml5-colors-title' data-wysihtml5-command='foreColor' data-wysihtml5-command-value='maroon'>" + locale.colours.maroon + "</a></li>" +
                "<li><div class='wysihtml5-colors' data-wysihtml5-command-value='red'></div><a class='wysihtml5-colors-title' data-wysihtml5-command='foreColor' data-wysihtml5-command-value='red'>" + locale.colours.red + "</a></li>" +
                "<li><div class='wysihtml5-colors' data-wysihtml5-command-value='purple'></div><a class='wysihtml5-colors-title' data-wysihtml5-command='foreColor' data-wysihtml5-command-value='purple'>" + locale.colours.purple + "</a></li>" +
                "<li><div class='wysihtml5-colors' data-wysihtml5-command-value='green'></div><a class='wysihtml5-colors-title' data-wysihtml5-command='foreColor' data-wysihtml5-command-value='green'>" + locale.colours.green + "</a></li>" +
                "<li><div class='wysihtml5-colors' data-wysihtml5-command-value='olive'></div><a class='wysihtml5-colors-title' data-wysihtml5-command='foreColor' data-wysihtml5-command-value='olive'>" + locale.colours.olive + "</a></li>" +
                "<li><div class='wysihtml5-colors' data-wysihtml5-command-value='navy'></div><a class='wysihtml5-colors-title' data-wysihtml5-command='foreColor' data-wysihtml5-command-value='navy'>" + locale.colours.navy + "</a></li>" +
                "<li><div class='wysihtml5-colors' data-wysihtml5-command-value='blue'></div><a class='wysihtml5-colors-title' data-wysihtml5-command='foreColor' data-wysihtml5-command-value='blue'>" + locale.colours.blue + "</a></li>" +
                "<li><div class='wysihtml5-colors' data-wysihtml5-command-value='orange'></div><a class='wysihtml5-colors-title' data-wysihtml5-command='foreColor' data-wysihtml5-command-value='orange'>" + locale.colours.orange + "</a></li>" +
              "</ul>" +
            "</li>";
        }
    };

    var templates = function(key, locale, options) {
        return tpl[key](locale, options);
    };


    var Wysihtml5 = function(el, options) {
        this.el = el;
        var toolbarOpts = options || defaultOptions;
        for(var t in toolbarOpts.customTemplates) {
          tpl[t] = toolbarOpts.customTemplates[t];
        }
        this.toolbar = this.createToolbar(el, toolbarOpts);
        this.editor =  this.createEditor(options);

        window.editor = this.editor;

        $('iframe.wysihtml5-sandbox').each(function(i, el){
            $(el.contentWindow).off('focus.wysihtml5').on({
                'focus.wysihtml5' : function(){
                    $('li.dropdown').removeClass('open');
                }
            });
        });
    };

    Wysihtml5.prototype = {

        constructor: Wysihtml5,

        createEditor: function(options) {
            options = options || {};

            // Add the toolbar to a clone of the options object so multiple instances
            // of the WYISYWG don't break because "toolbar" is already defined
            options = $.extend(true, {}, options);
            options.toolbar = this.toolbar[0];

            var editor = new wysi.Editor(this.el[0], options);

            if(options && options.events) {
                for(var eventName in options.events) {
                    editor.on(eventName, options.events[eventName]);
                }
            }
            return editor;
        },

        createToolbar: function(el, options) {
            var self = this;
            var toolbar = $("<ul/>", {
                'class' : "wysihtml5-toolbar",
                'style': "display:none"
            });
            var culture = options.locale || defaultOptions.locale || "en";
            var fileUploadOpts = options.fileUpload;
            for(var key in defaultOptions) {
                var value = false;

                if(options[key] !== undefined) {
                    if(options[key] === true) {
                        value = true;
                    }
                } else {
                    value = defaultOptions[key];
                }

                if(value === true) {
                    toolbar.append(templates(key, locale[culture], options));

                    if(key === "html") {
                        this.initHtml(toolbar);
                    }

                    if(key === "link") {
                        this.initInsertLink(toolbar);
                    }

                    if(key === "image") {
                        this.initInsertImage(toolbar, fileUploadOpts);
                    }
                }
            }

            if(options.toolbar) {
                for(key in options.toolbar) {
                    toolbar.append(options.toolbar[key]);
                }
            }

            toolbar.find("a[data-wysihtml5-command='formatBlock']").click(function(e) {
                var target = e.target || e.srcElement;
                var el = $(target);
                self.toolbar.find('.current-font').text(el.html());
            });

            toolbar.find("a[data-wysihtml5-command='foreColor']").click(function(e) {
                var target = e.target || e.srcElement;
                var el = $(target);
                self.toolbar.find('.current-color').text(el.html());
            });

            this.el.before(toolbar);

            return toolbar;
        },

        initHtml: function(toolbar) {
            var changeViewSelector = "a[data-wysihtml5-action='change_view']";
            toolbar.find(changeViewSelector).click(function(e) {
                toolbar.find('a.btn').not(changeViewSelector).toggleClass('disabled');
            });
        },

        initInsertImage: function(toolbar, fileUploadOpts) {
            var self = this;
            var insertImageModal = toolbar.find('.bootstrap-wysihtml5-insert-image-modal');
            var urlInput = insertImageModal.find('.bootstrap-wysihtml5-insert-image-url');
            var insertButton = insertImageModal.find('a.btn-primary');
            var clearButton = insertImageModal.find('a.clear-temp-images');
            var initialValue = urlInput.val();
            var caretBookmark;
            var imagesToBeInserted = [];

            var insertImage = function(image) {
                self.editor.currentView.element.focus();
                if (caretBookmark) {
                  self.editor.composer.selection.setBookmark(caretBookmark);
                  caretBookmark = null;
                }
                self.editor.composer.commands.exec("insertImage", image);
            };

            urlInput.keypress(function(e) {
                if(e.which == 13) {
                    insertImage();
                    insertImageModal.modal('hide');
                }
            });

            insertButton.click(function() {
                var url = urlInput.val();

                urlInput.val(initialValue);
                imagesToBeInserted.push({
                    src: url
                });

                $.each(imagesToBeInserted, function(index, image) {
                    insertImage(image);
                });

                imagesToBeInserted = [];
                insertImageModal.find('.uploaded').text('');
            });

            clearButton.click(function () {
              imagesToBeInserted = [];
              insertImageModal.find('.uploaded').text('');
            });

            insertImageModal.on('shown', function() {
                urlInput.focus();
            });

            insertImageModal.on('hide', function() {
                self.editor.currentView.element.focus();
            });

            if (fileUploadOpts) {
                insertImageModal.find('.file-uploader').fileupload($.extend({}, fileUploadOpts, {
                    done: function(e, data) {
                        // Trigger the custom file upload callback that should return an
                        // an object or an array of objects with the following format:
                        // {
                        //   src: 'image url',  // Note that this should be a full url.
                        //   alt: 'image alt'   // Optional.
                        // }
                        var images = fileUploadOpts.done(e, data);
                        var uploaded = insertImageModal.find('.uploaded');

                        if (!$.isArray(images)) images = [images];
                        imagesToBeInserted = imagesToBeInserted.concat(images);

                        $.each(images, function(index, image) {
                            //image = document.createTextNode(image.alt || image.src);
                            var image_tag = document.createElement('img');
                            image_tag.src = image.src;
                            //uploaded.append("<br />").append(image_tag);
                            uploaded.append(image_tag);
                        });
                    },
                    dropzone: insertImageModal
                }));
            }

            toolbar.find('a[data-wysihtml5-command=insertImage]').click(function() {
                var activeButton = $(this).hasClass("wysihtml5-command-active");

                if (!activeButton) {
                    self.editor.currentView.element.focus(false);
                    caretBookmark = self.editor.composer.selection.getBookmark();
                    insertImageModal.appendTo('body').modal('show');
                    insertImageModal.on('click.dismiss.modal', '[data-dismiss="modal"]', function(e) {
                        e.stopPropagation();
                    });
                    return false;
                }
                else {
                    return true;
                }
            });
        },

        initInsertLink: function(toolbar) {
            var self = this;
            var insertLinkModal = toolbar.find('.bootstrap-wysihtml5-insert-link-modal');
            var urlInput = insertLinkModal.find('.bootstrap-wysihtml5-insert-link-url');
            var targetInput = insertLinkModal.find('.bootstrap-wysihtml5-insert-link-target');
            var insertButton = insertLinkModal.find('a.btn-primary');
            var initialValue = urlInput.val();
            var caretBookmark;

            var insertLink = function() {
                var url = urlInput.val();
                urlInput.val(initialValue);
                self.editor.currentView.element.focus();
                if (caretBookmark) {
                  self.editor.composer.selection.setBookmark(caretBookmark);
                  caretBookmark = null;
                }

                var newWindow = targetInput.prop("checked");
                self.editor.composer.commands.exec("createLink", {
                    'href' : url,
                    'target' : (newWindow ? '_blank' : '_self'),
                    'rel' : (newWindow ? 'nofollow' : '')
                });
            };
            var pressedEnter = false;

            urlInput.keypress(function(e) {
                if(e.which == 13) {
                    insertLink();
                    insertLinkModal.modal('hide');
                }
            });

            insertButton.click(insertLink);

            insertLinkModal.on('shown', function() {
                urlInput.focus();
            });

            insertLinkModal.on('hide', function() {
                self.editor.currentView.element.focus();
            });

            toolbar.find('a[data-wysihtml5-command=createLink]').click(function() {
                var activeButton = $(this).hasClass("wysihtml5-command-active");

                if (!activeButton) {
                    self.editor.currentView.element.focus(false);
                    caretBookmark = self.editor.composer.selection.getBookmark();
                    insertLinkModal.appendTo('body').modal('show');
                    insertLinkModal.on('click.dismiss.modal', '[data-dismiss="modal"]', function(e) {
                        e.stopPropagation();
                    });
                    return false;
                }
                else {
                    return true;
                }
            });
        }
    };

    // these define our public api
    var methods = {
        resetDefaults: function() {
            $.fn.wysihtml5.defaultOptions = $.extend(true, {}, $.fn.wysihtml5.defaultOptionsCache);
        },
        bypassDefaults: function(options) {
            return this.each(function () {
                var $this = $(this);
                $this.data('wysihtml5', new Wysihtml5($this, options));
            });
        },
        shallowExtend: function (options) {
            var settings = $.extend({}, $.fn.wysihtml5.defaultOptions, options || {}, $(this).data());
            var that = this;
            return methods.bypassDefaults.apply(that, [settings]);
        },
        deepExtend: function(options) {
            var settings = $.extend(true, {}, $.fn.wysihtml5.defaultOptions, options || {});
            var that = this;
            return methods.bypassDefaults.apply(that, [settings]);
        },
        init: function(options) {
            var that = this;
            return methods.shallowExtend.apply(that, [options]);
        }
    };

    $.fn.wysihtml5 = function ( method ) {
        if ( methods[method] ) {
            return methods[method].apply( this, Array.prototype.slice.call( arguments, 1 ));
        } else if ( typeof method === 'object' || ! method ) {
            return methods.init.apply( this, arguments );
        } else {
            $.error( 'Method ' +  method + ' does not exist on jQuery.wysihtml5' );
        }
    };

    $.fn.wysihtml5.Constructor = Wysihtml5;

    var defaultOptions = $.fn.wysihtml5.defaultOptions = {
        "font-styles": true,
        "color": false,
        "emphasis": true,
        "lists": true,
        "html": false,
        "link": true,
        "image": true,
        events: {},
        parserRules: {
            classes: {
                // (path_to_project/lib/css/wysiwyg-color.css)
                "wysiwyg-color-silver" : 1,
                "wysiwyg-color-gray" : 1,
                "wysiwyg-color-white" : 1,
                "wysiwyg-color-maroon" : 1,
                "wysiwyg-color-red" : 1,
                "wysiwyg-color-purple" : 1,
                "wysiwyg-color-fuchsia" : 1,
                "wysiwyg-color-green" : 1,
                "wysiwyg-color-lime" : 1,
                "wysiwyg-color-olive" : 1,
                "wysiwyg-color-yellow" : 1,
                "wysiwyg-color-navy" : 1,
                "wysiwyg-color-blue" : 1,
                "wysiwyg-color-teal" : 1,
                "wysiwyg-color-aqua" : 1,
                "wysiwyg-color-orange" : 1
            },
            tags: {
                "b":  {},
                "i":  {},
                "br": {},
                "ol": {},
                "ul": {},
                "li": {},
                "h1": {},
                "h2": {},
                "h3": {},
                "h4": {},
                "h5": {},
                "h6": {},
                "blockquote": {},
                "u": 1,
                "img": {
                    "check_attributes": {
                        "width": "numbers",
                        "alt": "alt",
                        "src": "url",
                        "height": "numbers"
                    }
                },
                "a":  {
                    check_attributes: {
                        'href': "url", // important to avoid XSS
                        'target': 'alt',
                        'rel': 'alt'
                    }
                },
                "span": 1,
                "div": 1,
                // to allow save and edit files with code tag hacks
                "code": 1,
                "pre": 1
            }
        },
        stylesheets: ["./lib/css/wysiwyg-color.css"], // (path_to_project/lib/css/wysiwyg-color.css)
        locale: "en"
    };

    if (typeof $.fn.wysihtml5.defaultOptionsCache === 'undefined') {
        $.fn.wysihtml5.defaultOptionsCache = $.extend(true, {}, $.fn.wysihtml5.defaultOptions);
    }

    var locale = $.fn.wysihtml5.locale = {
        en: {
            font_styles: {
                normal: "Normal text",
                h1: "Heading 1",
                h2: "Heading 2",
                h3: "Heading 3",
                h4: "Heading 4",
                h5: "Heading 5",
                h6: "Heading 6"
            },
            emphasis: {
                bold: "Bold",
                italic: "Italic",
                underline: "Underline"
            },
            lists: {
                unordered: "Unordered list",
                ordered: "Ordered list",
                outdent: "Outdent",
                indent: "Indent"
            },
            link: {
                insert: "Insert link",
                cancel: "Cancel",
                target: "Open link in new window"
            },
            image: {
                insert: "Insert image",
                cancel: "Cancel",
                clear: "Clear",
                usage: "Enter URL, drag & drop here, or select from your computer"
            },
            html: {
                edit: "Edit HTML"
            },
            colours: {
                black: "Black",
                silver: "Silver",
                gray: "Grey",
                maroon: "Maroon",
                red: "Red",
                purple: "Purple",
                green: "Green",
                olive: "Olive",
                navy: "Navy",
                blue: "Blue",
                orange: "Orange"
            }
        }
    };

}(window.jQuery, window.wysihtml5);

index.html

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=Edge">
<meta charset="utf-8">

<title>bootstrap-wysihtml5</title>


<link rel="stylesheet" type="text/css" href="lib/css/bootstrap.min.css"></link>
<link rel="stylesheet" type="text/css" href="src/bootstrap-wysihtml5.css"></link>

<style type="text/css" media="screen">
	.btn.jumbo {
		font-size: 20px;
		font-weight: normal;
		padding: 14px 24px;
		margin-right: 10px;
		-webkit-border-radius: 6px;
		-moz-border-radius: 6px;
		border-radius: 6px;
	}
	.uploaded img {
	  margin: 5px;
	  max-width: 100px;
	  max-height: 100px;
	}
</style>

</head>
<body>
<div class="container">
	<div class="hero-unit" style="margin-top:40px">
		<h1 style="font-size:58px">bootstrap-wysihtml5 <small>Simple, beautiful wysiwyg editors</small></h1>
		<hr/>
		<textarea class="textarea" placeholder="Enter text ..." style="width: 810px; height: 200px"></textarea>
	</div>
  <div  class="row">
    <p>refer to [bootstrap-wysihtml5](https://github.com/trantorLiu/bootstrap-wysihtml5)</p>
    <br />
    <pre>
    QINIU_CONFIG = YAML.load_file("#{Rails.root}/config/qiniu.yml")[Rails.env]

    Qiniu::RS.establish_connection! \
      :access_key => QINIU_CONFIG["access_key"],
      :secret_key => QINIU_CONFIG["secret_key"]


    BUCKET_PICTURES = QINIU_CONFIG["bucket_pictures"]
    BUCKET_WX_PICTURES = QINIU_CONFIG["bucket_wx_pictures"]
    #QINIU_UPLOAD_TOKEN = Qiniu::RS.generate_upload_token scope: QINIU_BUCKET #can not use this ,it will expire

    def qiniu_pictures_upload_token
      Qiniu::RS.generate_upload_token scope: BUCKET_PICTURES
    end

    def qiniu_wx_pictures_upload_token
      Qiniu::RS.generate_upload_token scope: BUCKET_WX_PICTURES
    end
    </pre>
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