jquery双向列表选择器DIV模拟版

jquery双向列表选择器DIV模拟版

前段时间项目需要用到双向列表选择，想直接用select，结果发现某些样式不支持，只好用div模拟了以下，功能基本实现能用了，需要其他功能自己加上，譬如列表里展示多列数据等。

select版链接：http://www.cnblogs.com/tie123abc/p/6018912.html

复制代码
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>双向列表选择器DIV模拟</title>
<script type="text/javascript" src="../public/jquery-1.8.2.js"></script>
<script type="text/javascript">

/**
 * two_way_list_selector.js - v1.0.0 (2016/7/26)
 *
 * Allows you to easily page layout!
 * by tie. qq：2185987263
 *
 * Copyright (C) 2016, tie.
 * All rights reserved.
 *
 **/
 
var two_way_list_selector=function(o){

    var obj=o;
    var btn_a=o.find(".btn_a");
    var btn_b=o.find(".btn_b");
    var btn_c=o.find(".btn_remove_all");
    var btn_d=o.find(".btn_add_all");
    var select_a=o.find(".select_a");
    var select_b=o.find(".select_b");

    //是否按下了shift
    var is_shift=false;
    //是否按下了ctrl
    var is_ctrl=false;
    
    document.addEventListener("keydown",function(e){
        is_shift=e.shiftKey;
        is_ctrl=e.ctrlKey;
    },false);

    document.addEventListener("keyup",function(e){
        is_shift = is_ctrl = false;
    },false);

    //进行排序
    var option_sort=function(o){
        o.html(o.find("div").toArray().sort(function(a, b){
            return parseInt($(a).attr("data-index")) - parseInt($(b).attr("data-index"));
        }));
        obj.find(".item").removeClass("is_select");
        obj.find(".item").unbind("dblclick").dblclick(function(){
            _dblclick($(this));
        });
        obj.find(".item").unbind("click").click(function(){
            _click($(this));
        });
    }

    //在列表中双击时
    var _dblclick=function(o){
        var flag = o.parent().attr("class");
        var a ;
        if(flag == "select_a"){
            a = o.clone(true);
            select_b.append(a);
            o.remove();
            option_sort(select_b);
        } else {
            a = o.clone(true);
            select_a.append(a);
            o.remove();
            option_sort(select_a);
        }
    }

    //在列表中单击时
    var temp_index=0;
    var _click=function(o){
        var flag=o.parent().attr("class");
        if(is_shift){
            var this_index=o.index();
            if(temp_index!=this_index){
                obj.find("."+flag+" .item").each(function(index, element) {
                    if(this_index>temp_index && index<this_index && index>=temp_index){
                        $(this).addClass("is_select");
                    }
                    if(this_index<temp_index && index>this_index && index<=temp_index){
                        $(this).addClass("is_select");
                    }
                });
            }
        }
        if(!is_ctrl && !is_shift){
            obj.find("."+flag+" .item").each(function() {
                $(this).removeClass("is_select");
            });
        }
        if(o.hasClass("is_select")){
            o.removeClass("is_select");
        }else{
            o.addClass("is_select");
        }
        temp_index=o.index();
    }

    //选项单击时
    obj.find(".item").click(function(){
        _click($(this));
    });

    //选项双击时
    obj.find(".item").dblclick(function(){
        _dblclick($(this));
    });

    //加入选中
    btn_a.click(function(){
        var a = select_a.find(".is_select").clone(true);
        if(a.size() == 0){
            return false;
        }
        select_b.append(a);
        select_a.find(".is_select").remove();
        option_sort(select_b);
    });

    //删除选中
    btn_b.click(function(){
        var a = select_b.find(".is_select").clone(true);
        if(a.size() == 0){
            return false;
        }
        select_a.append(a);
        select_b.find(".is_select").remove();
        option_sort(select_a);
    });

    //删除全部
    btn_c.click(function(){
        select_a.append(select_b.find("div"));
        option_sort(select_a);
    });

    //加入全部
    btn_d.click(function(){
        select_b.append(select_a.find("div"));
        option_sort(select_b);
    });
}

//页面加载完毕后
$(document).ready(function(e) {
    two_way_list_selector($("#two_way_list_selector_a"));
    two_way_list_selector($("#two_way_list_selector_b"));
});

</script>
<style type="text/css">
@charset "utf-8";
.two_way_list_selector {
     100%;
    height: 250px;
}
.two_way_list_selector .select_l, .two_way_list_selector .select_r {
     40%;
    height: 250px;
    float: left;
    border: 1px solid #CCC;
}
.two_way_list_selector .select_l .option {
    height: 29px;
    line-height: 29px;
    border-bottom: 1px solid #ddd;
}
.two_way_list_selector .select_l .option .l {
     30%;
    float: left;
    text-indent: 10px;
}
.two_way_list_selector .select_l .option .r {
     70%;
    float: right;
    text-align: center;
}
.two_way_list_selector .select_l .select_a, .two_way_list_selector .select_r .select_b {
     100%;
    height: 220px;
    overflow: auto;
}
.two_way_list_selector .select_r .select_b {
    height: 250px;
}
.two_way_list_selector .select_l .select_a div, .two_way_list_selector .select_r .select_b div {
    padding: 10px;
    height: 25px;
    line-height: 25px;
    border-bottom: 1px solid #ddd;
    background: #FFF;
}
.two_way_list_selector .select_l .select_a div:last-child, .two_way_list_selector .select_r .select_b div:last-child {
    border-bottom: none;
}
.two_way_list_selector .select_btn {
     10%;
    height: 250px;
    float: left;
    display: table;
    text-align: center;
}
.two_way_list_selector .select_btn div {
    height: 250px;
    display: table-cell;
    vertical-align: middle;
}
.two_way_list_selector .select_btn div input {
     90%;
    margin: 1px;
    text-align: center;
    font-weight: 100;
    color: #999;
}
.two_way_list_selector .select_l .select_a .is_select, .two_way_list_selector .select_r .select_b .is_select {
    color: #FFF;
    background: #3399FF;
}
</style>
</head>

<body>
<div id="two_way_list_selector_a" class="two_way_list_selector margin_top_10">
  <div class="select_l">
    <div class="option">
      <div class="l">名称</div>
      <div class="r"><a>数量</a></div>
    </div>
    <div class="select_a">
      <div data-value="1" data-index="0" class="item">1</div>
      <div data-value="2" data-index="1" class="item">2</div>
      <div data-value="3" data-index="2" class="item">3</div>
      <div data-value="4" data-index="3" class="item">4</div>
      <div data-value="5" data-index="4" class="item">5</div>
      <div data-value="6" data-index="5" class="item">6</div>
      <div data-value="7" data-index="6" class="item">7</div>
    </div>
  </div>
  <div class="select_btn">
    <div>
      <input type="button" value=">" class="button btn_a">
      <input type="button" value=">>" class="button btn_add_all">
      <input type="button" value="<<" class="button btn_remove_all">
      <input type="button" value="<" class="button btn_b">
    </div>
  </div>
  <div class="select_r">
    <div class="select_b"></div>
  </div>
</div>

<br>

<div id="two_way_list_selector_b" class="two_way_list_selector margin_top_10">
  <div class="select_l">
    <div class="option">
      <div class="l">名称</div>
      <div class="r"><a>数量</a></div>
    </div>
    <div class="select_a">
      <div data-value="a" data-index="0" class="item">a</div>
      <div data-value="b" data-index="1" class="item">b</div>
      <div data-value="c" data-index="2" class="item">c</div>
      <div data-value="d" data-index="3" class="item">d</div>
      <div data-value="e" data-index="4" class="item">e</div>
      <div data-value="f" data-index="5" class="item">f</div>
      <div data-value="g" data-index="6" class="item">g</div>
    </div>
  </div>
  <div class="select_btn">
    <div>
      <input type="button" value=">" class="button btn_a">
      <input type="button" value=">>" class="button btn_add_all">
      <input type="button" value="<<" class="button btn_remove_all">
      <input type="button" value="<" class="button btn_b">
    </div>
  </div>
  <div class="select_r">
    <div class="select_b"></div>
  </div>
</div>

</body>
</html>
复制代码
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原文地址：https://www.cnblogs.com/libin-1/p/6021842.html