仿github表情符号自动完成jQuery插件

PetitQ 表单/表格 2018-11-12 1.83K 0 0

At.js 是一款仿 github 表情符号和 at 自动完成 jquery 插件。通过 At.js 插件，可以在表单，后某个可编辑的 div 元素，或某些所见即所得的文本编辑器中，通过快捷方式来自动补全表情符号，或 at 某人的操作。
At.js 插件的特点还有：

支持 IE7+的 textarea 元素

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支持 HTML5 contentEditable 元素（不包括 IE8）

可以监听任何字符，不单单只是@字符

使用模板来返回格式化数据

支持键盘控制

支持 AMD

使用方法

该插件依赖于 jquery.caret.js。在使用是要引入 jquery，jquery.caret.js，jquery.atwho.css 和 jquery.atwho.js 文件。

<link href="css/jquery.atwho.css" rel="stylesheet">

<script src="http://code.jquery.com/jquery.js"></script>

<script src="js/jquery.caret.js"></script>

<script src="js/jquery.atwho.js"></script>

初始化插件

At.js 插件最基本的用法如下：

```
$('.atwho-inputor').atwho({
```
```
  at: "@",
```
```
  data: ["one", "two", "three"],
```
```
}).atwho({
```
```
  at: ":",
```
```
  data: ["+1", "-1", "smile"]
```
```
});
```

配置参数

At.js 插件的可用配置参数如下：

```
$('.atwho-inputor').atwho({
```

    // key char for observing such as `@`

```
    at: void 0,
```
```
    /*
```
```
        alias name of `at`
```

        it would be an id attribute of the popup view.

```
    */
```
```
    alias: void 0,
```
```
    /*
```

         should be a plain object *Array* or a *URL*

```
         would save *Array* directly.
```

         would load and save remote JSON data by *URL*

```
     */
```
```
    data: null,
```
```
    /*
```

         Would render the passed value at the top of the selector popup.

```
    */
```

    headerTpl: "<h3>Select a user</h3>",

```
    /*
```

         would eval it and assign value of the key contained in `${}`

         key-value ( {'name': "one"} ) is an item in `data` Array.

         Alternatively, this can be a function accepting one data item as a parameter.

```
    */
```
```
    displayTpl: "<li>${name}</li>",
```
```
    /*
```

         It will be evaluated and inserted in the inputor.

         `atwho-at` is the `at` for runtime by default.

         You change it into anything you want.

```
    */
```
```
    insertTpl: "${atwho-at}${name}",
```
```
    /*
```

        There are several data processors that can be overriden here such as `filter`.

```
        we will cover it later.
```
```
    */
```
```
    callbacks: DEFAULT_CALLBACKS,
```
```
    /*
```

        would matching item by test against the value of this `search_key` with query string.

```
    */
```
```
    searchKey: "name",
```
```
    /*
```

        limit number of items to show in popup list.

```
    */
```
```
    limit: 5,
```
```
    /*
```

        setting the max length of the string after `at` that would be matched

        It will stop matching if the query string is longer than `max_len`.

```
    */
```
```
    maxLen: 20,
```
```
    /*
```

        if `yes`, At.js will match the query with a spaaace before the `at`.

```
    */
```
```
    startWithSpace: true,
```

    // time in ms to persist the popup menu for after blurring from the invoking text field

```
    displayTimeout: 300,
```

    // highlight_first suggestion in popup menu

```
    highlightFirst: true,
```

    // delay time trigger At.js while typing. For example: delay: 400

```
    delay: null,
```
```
    // suffix for inserting string.
```
```
    suffix: undefined,
```

    // don't show dropdown view without `suffix`

```
    hideWithoutSuffix: false,
```

    // Add attribute to the inserted element for contenteditable mode

    // check out the issue: https://github.com/ichord/At.js/issues/253#issuecomment-75694945

```
    editableAtwhoQueryAttrs: {}
```
```
});
```

应用示例

你可以自定义要在自动完成列表中显示的内容，如显示一个头像，或一个表情符号。一个有效的模板必须是一个<li>元素，例如：

```
<li>这里可以放任何东西</li>
```

你可以在<li>元素中放任何 HTML 代码，如一张图片。

var emojis = ["smile", "iphone", "girl", "smiley", "heart", "kiss", "copyright", "coffee"];

var emojisList = $.map(emojis, function(value, i) {

```
  return {'id':i, 'name':value};
```
```
});
```

//http://a248.e.akamai.net/assets.github.com/images/icons/emoji/8.png

```
$(".container textarea").atwho({
```
```
  at: ':',
```

  displayTpl: "<li><img src='icons/emoji/${name}.png' height='20' width='20'/> ${name} </li>",

```
  insertTpl: ":${name}:",
```
```
  data: emojisList
```
```
});
```

注册多个 at 关键字

At.js 可以监听多个 at 关键字，并且每个关键字都有自己的配置。

var emojis = ["smile", "iphone", "girl", "smiley", "heart", "kiss", "copyright", "coffee"];

```
 
```

var names = ["Jacob", "Isabella", "Ethan", "Emma", "Michael", "Olivia", "Alexander", "Sophia", "William", "Ava", "Joshua", "Emily", "Daniel", "Madison", "Jayden", "Abigail", "Noah", "Chloe", "你好", "你你你"];

```
 
```

var emojisList = $.map(emojis, function(value, i) {

```
  return {'id':i, 'name':value};
```
```
});
```
```
 
```
```
var issues = [
```

  { name: "1", content: "stay foolish"},

```
  { name: "2", content: "stay hungry"},
```

  { name: "3", content: "stay heathly"},

  { name: "4", content: "this happiess"},

```
];
```
```
 
```
```
$(".container textarea")
```
```
  .atwho({
```
```
    at: "@",
```
```
    data: names
```
```
  })
```
```
  .atwho({
```
```
    at: "#", 
```

    displayTpl: '<li>${name} <small>${content}</small></li>',

```
    data: issues
```
```
  })
```
```
  .atwho({
```
```
    at: ":", 
```

    displayTpl: "<li><img src='icons/emoji/${name}.png' height='20' width='20'/> ${name} </li>",

```
    insertTpl: ':${name}:',
```
```
    data: emojisList
```
```
  });
```

远程加载更多数据

当你从某个 URL 获取数据时，At.js 将执行 AJAX 请求异步加载更多 json 数据。

```
$('textarea').atwho({
```
```
        at: "@", 
```

        data: "http://www.atjs.com/users.json",

```
        limit: 7
```
```
    });
```

定义查询条件

如果你想支持 unicode 编码，你可以自定义查询条件。

```
$('#inputor').atwho({
```
```
        at: "@", 
```
```
        callbacks: {
```

            matcher: function(flag, subtext) {

                var match, matched, regexp;

                regexp = new XRegExp('(\\s+|^)' + flag + '(\\p{L}+)$', 'gi');

                match = regexp.exec(subtext);

                // ... get matched result

```
                return matched;
```
```
            }
```
```
            //, ... others callbacks
```
```
        }
```
```
    });
```

Github 地址为：https://github.com/ichord/At.js

仿 github 表情符号自动完成 jQuery 插件

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表单/表格

仿github表情符号自动完成jQuery插件

使用方法

初始化插件

配置参数

应用示例

注册多个 at 关键字

远程加载更多数据

定义查询条件

仿 github 表情符号自动完成 jQuery 插件

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表单/表格

使用方法

初始化插件

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应用示例

注册多个 at 关键字

远程加载更多数据

定义查询条件

仿 github 表情符号自动完成 jQuery 插件

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