class Ckeditor::Picture < Ckeditor::Asset before_save :set_vars has_attached_file :data, :url => "/ckeditor_assets/pictures/:id/:style_:basename.:extension", :path => ":rails_root/public/ckeditor_assets/pictures/:id/:style_:basename.:extension", :styles => { :content => '600>',:medium => '300x300', :quintet => '150x150', :thumb => '118x100#' } validates_attachment_size :data, :less_than => 2.megabytes validates_attachment_presence :data def url_content url(:content) end protected def set_vars #self.assetable_id = id #self.assetable_type = controller_name end end
我想要的是在创建新图片期间填充’assetable_id’和’assetable_type'(因为数据库表中有列的列).我想传递它们的变量.就像图片链接到的帖子/事件/用户的id一样.当然,图片被分配给“模型”的类型 – 再次发布/事件/用户.
我不知道这是否是正确的解决方案,但我不知道如何解决它.关于CKeditor gem,配置设置和Rails的在线文档非常糟糕 – 我正在寻找数小时和数小时,我找不到一个与我想要的非常相似的东西 – 所以请帮忙.
我知道如何调整上传的参数,但它们似乎都没有做我想要的事情:
Started POST "/ckeditor/pictures?CKEditor=post%5B14%5D&CKEditorFuncNum=1& langCode=en&%3Aassetable-id=0&assetable_type=post& authenticity_token=fsKA68sxkzQpiSMmtcP782i4oI%2FA6KSIsSZuwO5zDWA%3D" for 127.0.0.1 at 2013-04-15 10:05:06 +0200 Processing by Ckeditor::PicturesController#create as HTML Parameters: {"upload"=>#<ActionDispatch::Http::UploadedFile:0x007f94f80beef8 @original_filename="kb_new.png", @content_type="image/png", @headers="Content- Disposition: form-data; name=\"upload\"; filename=\"kb_new.png\"\r\nContent-Type: image/png\r\n", @tempfile=#<File:/tmp/RackMultipart20130415-3130-1ls814r>>, "CKEditor"=>"post[14]", "CKEditorFuncNum"=>"1", "langCode"=>"en", ":assetable-id"=>"0", "assetable_type"=>"post", "authenticity_token"=>"fsKA68sxkzQpiSMmtcP782i4oI/A6KSIsSZuwO5zDWA="} User Load (0.2ms) SELECT `users`.* FROM `users` WHERE `users`.`id` = 1 LIMIT 1 [ALL THE FORMATING STUFF] SQL (0.6ms) INSERT INTO `ckeditor_assets` (`assetable_id`, `assetable_type`, `created_at`, `data_content_type`, `data_file_name`, `data_file_size`, `height`, `type`, `updated_at`, `width`) VALUES (NULL, '0', '2013-04-15 08:05:07', 'image/png', 'kb_new.png', 291770, 419, 'Ckeditor::Picture', '2013-04-15 08:05:07', 450) [paperclip] Saving attachments. (62.5ms) COMMIT Rendered text template (0.0ms) Completed 200 OK in 929ms (Views: 0.5ms | ActiveRecord: 63.6ms)
还看看这个问题:
How to set the size of an image within CKeditor in Ruby On Rails according to the picture model?
我实际上想出了这个并且有一个有效的解决方案.我也尝试使用Google搜索所有内容并找到关于如何在Rails中向Ckeditor上传添加自定义参数的ZERO信息.这是我做的:
>让我们从表单本身开始.使用Ckeditor,一切都由URL驱动.因此,当您单击图像图标,然后出现弹出窗口,然后单击BROWSE SERVER按钮时,您会注意到它会打开一个带有URL的新弹出窗口.这是您需要修改的第一个URL.然后,当您实际上传图像时,它会将发布请求发送到另一个URL.这是您需要修改的第二个URL.
默认情况下,这些URL设置为Ckeditor :: PicturesController上的“index”和“create”操作.这是gem’s repo中这个控制器文件的链接,稍后您需要这个–https://github.com/galetahub/ckeditor/blob/2dd963fae117726976e5bf1dc264e27d3741fea8/app/controllers/ckeditor/pictures_controller.rb
从逻辑上讲,我们需要做的是修改这些URL,以便我们可以添加自己的自定义代码来控制发生的事情.所以这就是我做的事情(注意“ckeditor”哈希):
<%= cktext_area_tag 'column1_body', @section, :ckeditor => { filebrowserImageUploadUrl: "/ckeditor/pictures?website_id=#{@website.id}", filebrowserImageBrowseUrl: "/picture_overrides" } %>
凉.
2.所以我先用’/ picture_overrides’修改了filebrowserImageBrowseUrl.这意味着当有人单击BROWSE SERVER按钮时,它将在我的PictureOverridesController上调用’index’动作.所以我添加了路由,创建了控制器文件和视图.
对于视图,我完全从gem中复制了视图文件,这是在这里 – https://github.com/galetahub/ckeditor/blob/master/app/views/ckeditor/pictures/index.html.erb.注意:那里有一个部分,所以你也需要抓住它.
现在在我的新’PictureOverridesController’文件中,我编辑了’index’动作,如下所示:
def index # I need to find the website @website = Website.find_by_subdomain(request.subdomain) # I can scope @pictures to only contain the images the user should see. @pictures = Ckeditor::Picture.where(website_id: @website.id) end
然后,在此过程中会调用其他一些私有方法,因此您还需要将以下代码添加到此控制器文件中(只需剪切和粘贴).您会注意到我从gem文件中的同一个控制器中获取了此代码.
protected def find_asset @picture = Ckeditor.picture_adapter.get!(params[:id]) end def authorize_resource model = (@picture || Ckeditor.picture_model) @authorization_adapter.try(:authorize, params[:action], model) end
有了这个,现在我的用户只会看到具有正确website_id的图像.
现在,我需要确保在用户通过Ckeditor上传图像时设置了website_id.
3.虽然您当然可以修改此控制器文件上的创建操作,并将URL设置为此,但我选择了另一种方式.我只是将website_id添加到URL,如上所示.不幸的是,Ckeditor :: Picture实例不会自动保存.所以我决定用ApplicationController中的after_filter完成这个,就像这样:
after_filter :ckeditor_add_website_id def ckeditor_add_website_id if params[:controller] == 'ckeditor/pictures' && params[:action] == 'create' @website = find_website_by_domain_subdomain(request) @picture.update_attributes(website_id: @website.id) end end
它只是有效.
最后 – DONT FORGET将自定义URL添加到您正在使用Ckeditor的任何表单.