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与Remodal配对后,iCheck事件多次触发

[英]iCheck event fired many times after pairing with Remodal

我目前正在使用:

  • remodalJS 0.6.4
  • iCheckJS 1.0.2

UX的设计使iCheck复选框和单选框充当过滤器,并存在于重新设计中。 当我将两个库配对使用时,发生了奇怪的事情:

chrome devtool控制台屏幕截图

这是Chrome的控制台输出,

选中某个选项(通过单选或复选框)时,将ifChecked触发ifChecked

<html>
    <head>
        <link rel="stylesheet" href="bower_components/remodal/dist/jquery.remodal.css">
        <link rel="stylesheet" href="bower_components/iCheck/skins/line/green.css">
    </head>
    <body>
        <h1 data-remodal-target="test-icheck-remodal"> Animal</h1>
        <h1 data-remodal-target="test-icheck-remodal-2"> Comics</h1>
        <div class="remodal" data-remodal-id="test-icheck-remodal">
            <h2>Choose Animal</h2>
            <input type="checkbox" value="">
            <label>Cat</label>
            <input type="checkbox" value="">
            <label>Dog</label>
        </div>

        <div class="remodal" data-remodal-id="test-icheck-remodal-2">
            <h2>Choose Comics</h2>
            <input type="checkbox" value="">
            <label>Batman</label>
            <input type="checkbox" value="">
            <label>Superman</label>
        </div>
        <script type="text/javascript" src="bower_components/jquery/dist/jquery.js"></script>
        <script type="text/javascript" src="bower_components/remodal/dist/jquery.remodal.js"></script>
        <script type="text/javascript" src="bower_components/iCheck/icheck.js"></script>
        <script type="text/javascript">
            $('input:checkbox, input:radio').each(function() {
                var self = $(this),
                label = self.next(),
                label_text = label.text();
                label.remove();
                self.iCheck({
                    checkboxClass: 'icheckbox_line-green',
                    radioClass: 'iradio_line-green',
                    insert: '<div class="icheck_line-icon"></div>' + label_text
                })
            });
            var flag = false;
            $(document).on('open', '.remodal', function(e) {
                var $this = $(this);
                var inputFields = $this.find('input:checkbox, input:radio');

                console.log('remodal Opened');
                if(!flag) {
                    inputFields.on('ifChecked', function(event) {
                        console.log('ifChecked called');
                    });

                    flag = true;
                }

            });
        </script>
    </body>
</html>

对应的bower.json

{
  "name": "remodal_icheck",
  "version": "0.0.0",
  "dependencies": {
    "remodal": "0.6.4",
    "iCheck": "1.0.2"
  },
  "devDependencies": {
  }
}

我认为这里的问题是,每次模态打开时,您都将绑定事件。 我可以想到几种修复方法,但是我不确定这是否是解决问题的最佳方法。

我的第一个解决方案:创建一个标志,当您绑定事件时将该标志设置为true,因此当它再次出现时将不再绑定它。

    // the flag
    var flag = false;
    $(document).on('open', '.remodal', function(e) {
        var $this = $(this);
        var elementId = $this.attr('data-remodal-id');
        var inputFields = $this.find('input:checkbox, input:radio');
        var queryParam = $this.attr('data-query-param');

        console.log('remodal Opened');

        // check flag if false
        if(!flag) {
          /* If it's radio, Close the remodal after selecting options */
          inputFields.on('ifChecked', function(event) {
            queryObject[queryParam] = 'hihi';       
            console.log('ifChecked called');
            if ($this.has('input:checkbox').length == 0) {
                $this.remodal().close();
            }
          });

          /* Todo: move to function clearFilters() */
          $this.find('.remodal-filter-clear').on('click', function() {
            inputFields.iCheck('uncheck');
          });

          flag = true;
        }

    });

更新

根据下面的评论添加第二个解决方案,其中包含两个.remodal类。

我们向已经绑定到该事件的那些输入元素添加一个类。

对于此示例,我们将该类名称称为bound

    $(document).on('open', '.remodal', function(e) {
        var $this = $(this);
        var elementId = $this.attr('data-remodal-id');
        // find input elements which don't have the `.bound` class, then add class
        var inputFields = $this.find('input:checkbox:not(.bound), input:radio:not(.bound)').addClass("bound");
        var queryParam = $this.attr('data-query-param');

        console.log('remodal Opened');


          /* If it's radio, Close the remodal after selecting options */
          if(inputFields.length > 0) {
            inputFields.on('ifChecked', function(event) {
              queryObject[queryParam] = 'hihi';       
              console.log('ifChecked called');
              if ($this.has('input:checkbox').length == 0) {
                $this.remodal().close();
              }
            });

            /* Todo: move to function clearFilters() */
            $this.find('.remodal-filter-clear').on('click', function() {
              inputFields.iCheck('uncheck');
            });

          }
    });

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