Hallo.js基于jQuery UI所见即所得的Web编辑器

<script src="/UploadFiles/2021-04-02/jquery.min.js">

编辑器工具栏使用jQuery UI的主题，因此你可能还想自定义一个主题，适合你的需要。工具栏图标字体基于Font Awesome。风格的工具栏出现在演示中，你也会想添加一些CSS（如背景和边框）的类hallotoolbar。


<link rel="stylesheet" href="/path/to/your/jquery-ui.css">
<link rel="stylesheet" href="/path/to/your/font-awesome.css">



引入Hallo.js


<script src="/UploadFiles/2021-04-02/hallo.js">

调用插件是非常简单的


jQuery('p').hallo();



你也可以关闭标签的编辑功能


jQuery('p').hallo({editable: false});



Hallo自己只能使选择的DOM元素可编辑和不提供任何格式的工具。格式是通过加载插件初始化Hallo。即使简单的事情，如粗体和斜体的插件：


jQuery('.editable').hallo({
 plugins: {
  'halloformat': {}
 }
});



这个例子可以使简单的格式的插件，提供如粗体和斜体的功能。你可以有很多好的插件为你想，如果有必要通过他们的选择。
Hallo有更多的选项设置当实例化。请参阅文档hallo.coffee文件。
事件方法
Hallo有一些事件，有助于整合和调用。你可以使用jQuery bind订阅它们：

  
halloenabled: Triggered when an editable is enabled (editable set to true)

  
  
hallodisabled: Triggered when an editable is disabled (editable set to false)

  
  
hallomodified: Triggered whenever user has changed the contents being edited. Event data key content contains the HTML

  
  
halloactivated: Triggered when user activates an editable area (usually by clicking it)

  
  
hallodeactivated: Triggered when user deactivates an editable area

插件

  
halloformat – Adds Bold, Italic, StrikeThrough and Underline support to the toolbar. (Enable/Disable with options: “formattings”: {“bold”: true, “italic”: true, “strikethrough”: true, “underline”: false})

  
  
halloheadings – Adds support for H1, H2, H3. You can pass a headings option key to specify what is going to be displayed (e.g. “formatBlocks”:[“p”, “h2″,”h3”])

  
  
hallojustify – Adds align left, center, right support

  
  
hallolists – Adds support for ordered and unordered lists (Pick with options: “lists”: {“ordered”: false, “unordered”: true})

  
  
halloreundo – Adds support for undo and redo

  
  
hallolink – Adds support to add links to a selection (currently not working)

  
  
halloimage – Image uploading, searching, suggestions

  
  
halloblacklist – Filtering unwanted tags from the content

  

编写一个插件
Hallo插件编写正则jQuery UI插件。
当Hallo加载也加载单元所有启用的插件，并通过他们一些额外的选项：

  
editable: The main Hallo widget instance
  
uuid: unique identifier of the Hallo instance, can be used for element IDs

  

一个简单的插件看起来像以下的：


#  Formatting plugin for Hallo
#  (c) 2011 Henri Bergius, IKS Consortium
#  Hallo may be freely distributed under the MIT license
((jQuery) ->
 jQuery.widget "IKS.halloformat",
  boldElement: null

  options:
   uuid: ''
   editable: null

  _create: ->
   # Add any actions you want to run on plugin initialization
   # here

  populateToolbar: (toolbar) ->
   # Create an element for holding the button
   @boldElement = jQuery '<span></span>'

   # Use Hallo Button
   @boldElement.hallobutton
    uuid: @options.uuid
    editable: @options.editable
    label: 'Bold'
    # Icons come from Font Awesome
    icon: 'icon-bold'
    # Commands are used for execCommand and queryCommandState
    command: 'bold'

   # Append the button to toolbar
   toolbar.append @boldElement

  cleanupContentClone: (element) ->
   # Perform content clean-ups before HTML is sent out

)(jQuery)



以上就是关于Hallo.js富文本编辑器的详细介绍，希望对大家的学习有所帮助。