angularjs 多选下拉框 控件angularjs ui-select2

      angularjs ui-select2:http://jsfiddle.net/jLD42/4/(这个网站测试通过),网站内容如下:找了很多其他的网站都没用,这个是测试通过的,需要导入所需要的js文件,需要的图片:

     这个如果控件宽度是比较窄的话,需要全部显示,就需要修改select2.css的样式,添加滚轮如下文件和截图:

/*
Version: 3.4.0 Timestamp: Tue May 14 08:27:33 PDT 2013
*/
.select2-container {
    margin: 0;
    position: relative;
    display: inline-block;
    /* inline-block for ie7 */
    zoom: 1;
    *display: inline;
    vertical-align: middle;
}

.select2-container,
.select2-drop,
.select2-search,
.select2-search input{
  /*
    Force border-box so that % widths fit the parent
    container without overlap because of margin/padding.

    More Info : http://www.quirksmode.org/css/box.html
  */
  -webkit-box-sizing: border-box; /* webkit */
   -khtml-box-sizing: border-box; /* konqueror */
     -moz-box-sizing: border-box; /* firefox */
      -ms-box-sizing: border-box; /* ie */
          box-sizing: border-box; /* css3 */
}

.select2-container .select2-choice {
    display: block;
    height: 26px;
    padding: 0 0 0 8px;
    overflow: hidden;
    position: relative;

    border: 1px solid #aaa;
    white-space: nowrap;
    line-height: 26px;
    color: #444;
    text-decoration: none;

    -webkit-border-radius: 4px;
       -moz-border-radius: 4px;
            border-radius: 4px;

    -webkit-background-clip: padding-box;
       -moz-background-clip: padding;
            background-clip: padding-box;

    -webkit-touch-callout: none;
      -webkit-user-select: none;
       -khtml-user-select: none;
         -moz-user-select: none;
          -ms-user-select: none;
              user-select: none;

    background-color: #fff;
    background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, #eeeeee), color-stop(0.5, white));
    background-image: -webkit-linear-gradient(center bottom, #eeeeee 0%, white 50%);
    background-image: -moz-linear-gradient(center bottom, #eeeeee 0%, white 50%);
    background-image: -o-linear-gradient(bottom, #eeeeee 0%, #ffffff 50%);
    background-image: -ms-linear-gradient(top, #ffffff 0%, #eeeeee 50%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr = '#ffffff', endColorstr = '#eeeeee', GradientType = 0);
    background-image: linear-gradient(top, #ffffff 0%, #eeeeee 50%);
}

.select2-container.select2-drop-above .select2-choice {
    border-bottom-color: #aaa;

    -webkit-border-radius:0 0 4px 4px;
       -moz-border-radius:0 0 4px 4px;
            border-radius:0 0 4px 4px;

    background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, #eeeeee), color-stop(0.9, white));
    background-image: -webkit-linear-gradient(center bottom, #eeeeee 0%, white 90%);
    background-image: -moz-linear-gradient(center bottom, #eeeeee 0%, white 90%);
    background-image: -o-linear-gradient(bottom, #eeeeee 0%, white 90%);
    background-image: -ms-linear-gradient(top, #eeeeee 0%,#ffffff 90%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffff', endColorstr='#eeeeee',GradientType=0 );
    background-image: linear-gradient(top, #eeeeee 0%,#ffffff 90%);
}

.select2-container.select2-allowclear .select2-choice span {
    margin-right: 42px;
}

.select2-container .select2-choice span {
    margin-right: 26px;
    display: block;
    overflow: hidden;

    white-space: nowrap;

    -ms-text-overflow: ellipsis;
     -o-text-overflow: ellipsis;
        text-overflow: ellipsis;
}

.select2-container .select2-choice abbr {
    display: none;
    width: 12px;
    height: 12px;
    position: absolute;
    right: 24px;
    top: 8px;

    font-size: 1px;
    text-decoration: none;

    border: 0;
    background: url('../img/select2.png') right top no-repeat;
    cursor: pointer;
    outline: 0;
}

.select2-container.select2-allowclear .select2-choice abbr {
    display: inline-block;
}

.select2-container .select2-choice abbr:hover {
    background-position: right -11px;
    cursor: pointer;
}

.select2-drop-mask {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 9998;
}

.select2-drop {
    width: 100%;
    margin-top:-1px;
    position: absolute;
    z-index: 9999;
    top: 100%;

    background: #fff;
    color: #000;
    border: 1px solid #aaa;
    border-top: 0;

    -webkit-border-radius: 0 0 4px 4px;
       -moz-border-radius: 0 0 4px 4px;
            border-radius: 0 0 4px 4px;

    -webkit-box-shadow: 0 4px 5px rgba(0, 0, 0, .15);
       -moz-box-shadow: 0 4px 5px rgba(0, 0, 0, .15);
            box-shadow: 0 4px 5px rgba(0, 0, 0, .15);
}

.select2-drop-auto-width {
    border-top: 1px solid #aaa;
    width: auto;
}

.select2-drop-auto-width .select2-search {
    padding-top: 4px;
}

.select2-drop.select2-drop-above {
    margin-top: 1px;
    border-top: 1px solid #aaa;
    border-bottom: 0;

    -webkit-border-radius: 4px 4px 0 0;
       -moz-border-radius: 4px 4px 0 0;
            border-radius: 4px 4px 0 0;

    -webkit-box-shadow: 0 -4px 5px rgba(0, 0, 0, .15);
       -moz-box-shadow: 0 -4px 5px rgba(0, 0, 0, .15);
            box-shadow: 0 -4px 5px rgba(0, 0, 0, .15);
}

.select2-container .select2-choice div {
    display: inline-block;
    width: 18px;
    height: 100%;
    position: absolute;
    right: 0;
    top: 0;

    border-left: 1px solid #aaa;
    -webkit-border-radius: 0 4px 4px 0;
       -moz-border-radius: 0 4px 4px 0;
            border-radius: 0 4px 4px 0;

    -webkit-background-clip: padding-box;
       -moz-background-clip: padding;
            background-clip: padding-box;

    background: #ccc;
    background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, #ccc), color-stop(0.6, #eee));
    background-image: -webkit-linear-gradient(center bottom, #ccc 0%, #eee 60%);
    background-image: -moz-linear-gradient(center bottom, #ccc 0%, #eee 60%);
    background-image: -o-linear-gradient(bottom, #ccc 0%, #eee 60%);
    background-image: -ms-linear-gradient(top, #cccccc 0%, #eeeeee 60%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr = '#eeeeee', endColorstr = '#cccccc', GradientType = 0);
    background-image: linear-gradient(top, #cccccc 0%, #eeeeee 60%);
}

.select2-container .select2-choice div b {
    display: block;
    width: 100%;
    height: 100%;
    background: url('../img/select2.png') no-repeat 0 1px;
}

.select2-search {
    display: inline-block;
    width: 100%;
    min-height: 26px;
    margin: 0;
    padding-left: 4px;
    padding-right: 4px;

    position: relative;
    z-index: 10000;

    white-space: nowrap;
}

.select2-search input {
    width: 100%;
    height: auto !important;
    min-height: 26px;
    padding: 4px 20px 4px 5px;
    margin: 0;

    outline: 0;
    font-family: sans-serif;
    font-size: 1em;

    border: 1px solid #aaa;
    -webkit-border-radius: 0;
       -moz-border-radius: 0;
            border-radius: 0;

    -webkit-box-shadow: none;
       -moz-box-shadow: none;
            box-shadow: none;

    background: #fff url('../img/select2.png') no-repeat 100% -22px;
    background: url('../img/select2.png') no-repeat 100% -22px, -webkit-gradient(linear, left bottom, left top, color-stop(0.85, white), color-stop(0.99, #eeeeee));
    background: url('../img/select2.png') no-repeat 100% -22px, -webkit-linear-gradient(center bottom, white 85%, #eeeeee 99%);
    background: url('../img/select2.png') no-repeat 100% -22px, -moz-linear-gradient(center bottom, white 85%, #eeeeee 99%);
    background: url('../img/select2.png') no-repeat 100% -22px, -o-linear-gradient(bottom, white 85%, #eeeeee 99%);
    background: url('../img/select2.png') no-repeat 100% -22px, -ms-linear-gradient(top, #ffffff 85%, #eeeeee 99%);
    background: url('../img/select2.png') no-repeat 100% -22px, linear-gradient(top, #ffffff 85%, #eeeeee 99%);
}

.select2-drop.select2-drop-above .select2-search input {
    margin-top: 4px;
}

.select2-search input.select2-active {
    background: #fff url('select2-spinner.gif') no-repeat 100%;
    background: url('select2-spinner.gif') no-repeat 100%, -webkit-gradient(linear, left bottom, left top, color-stop(0.85, white), color-stop(0.99, #eeeeee));
    background: url('select2-spinner.gif') no-repeat 100%, -webkit-linear-gradient(center bottom, white 85%, #eeeeee 99%);
    background: url('select2-spinner.gif') no-repeat 100%, -moz-linear-gradient(center bottom, white 85%, #eeeeee 99%);
    background: url('select2-spinner.gif') no-repeat 100%, -o-linear-gradient(bottom, white 85%, #eeeeee 99%);
    background: url('select2-spinner.gif') no-repeat 100%, -ms-linear-gradient(top, #ffffff 85%, #eeeeee 99%);
    background: url('select2-spinner.gif') no-repeat 100%, linear-gradient(top, #ffffff 85%, #eeeeee 99%);
}

.select2-container-active .select2-choice,
.select2-container-active .select2-choices {
    border: 1px solid #5897fb;
    outline: none;

    -webkit-box-shadow: 0 0 5px rgba(0,0,0,.3);
       -moz-box-shadow: 0 0 5px rgba(0,0,0,.3);
            box-shadow: 0 0 5px rgba(0,0,0,.3);
}

.select2-dropdown-open .select2-choice {
    border-bottom-color: transparent;
    -webkit-box-shadow: 0 1px 0 #fff inset;
       -moz-box-shadow: 0 1px 0 #fff inset;
            box-shadow: 0 1px 0 #fff inset;

    -webkit-border-bottom-left-radius: 0;
        -moz-border-radius-bottomleft: 0;
            border-bottom-left-radius: 0;

    -webkit-border-bottom-right-radius: 0;
        -moz-border-radius-bottomright: 0;
            border-bottom-right-radius: 0;

    background-color: #eee;
    background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, white), color-stop(0.5, #eeeeee));
    background-image: -webkit-linear-gradient(center bottom, white 0%, #eeeeee 50%);
    background-image: -moz-linear-gradient(center bottom, white 0%, #eeeeee 50%);
    background-image: -o-linear-gradient(bottom, white 0%, #eeeeee 50%);
    background-image: -ms-linear-gradient(top, #ffffff 0%,#eeeeee 50%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#eeeeee', endColorstr='#ffffff',GradientType=0 );
    background-image: linear-gradient(top, #ffffff 0%,#eeeeee 50%);
}

.select2-dropdown-open.select2-drop-above .select2-choice,
.select2-dropdown-open.select2-drop-above .select2-choices {
    border: 1px solid #5897fb;
    border-top-color: transparent;

    background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, white), color-stop(0.5, #eeeeee));
    background-image: -webkit-linear-gradient(center top, white 0%, #eeeeee 50%);
    background-image: -moz-linear-gradient(center top, white 0%, #eeeeee 50%);
    background-image: -o-linear-gradient(top, white 0%, #eeeeee 50%);
    background-image: -ms-linear-gradient(bottom, #ffffff 0%,#eeeeee 50%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#eeeeee', endColorstr='#ffffff',GradientType=0 );
    background-image: linear-gradient(bottom, #ffffff 0%,#eeeeee 50%);
}

.select2-dropdown-open .select2-choice div {
    background: transparent;
    border-left: none;
    filter: none;
}
.select2-dropdown-open .select2-choice div b {
    background-position: -18px 1px;
}

/* results */
.select2-results {
    max-height: 200px;
    padding: 0 0 0 4px;
    margin: 4px 4px 4px 0;
    position: relative;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-tap-highlight-color: rgba(0,0,0,0);
}

.select2-results ul.select2-result-sub {
    margin: 0;
    padding-left: 0;
}

.select2-results ul.select2-result-sub > li .select2-result-label { padding-left: 20px }
.select2-results ul.select2-result-sub ul.select2-result-sub > li .select2-result-label { padding-left: 40px }
.select2-results ul.select2-result-sub ul.select2-result-sub ul.select2-result-sub > li .select2-result-label { padding-left: 60px }
.select2-results ul.select2-result-sub ul.select2-result-sub ul.select2-result-sub ul.select2-result-sub > li .select2-result-label { padding-left: 80px }
.select2-results ul.select2-result-sub ul.select2-result-sub ul.select2-result-sub ul.select2-result-sub ul.select2-result-sub > li .select2-result-label { padding-left: 100px }
.select2-results ul.select2-result-sub ul.select2-result-sub ul.select2-result-sub ul.select2-result-sub ul.select2-result-sub ul.select2-result-sub > li .select2-result-label { padding-left: 110px }
.select2-results ul.select2-result-sub ul.select2-result-sub ul.select2-result-sub ul.select2-result-sub ul.select2-result-sub ul.select2-result-sub ul.select2-result-sub > li .select2-result-label { padding-left: 120px }

.select2-results li {
    list-style: none;
    display: list-item;
    background-image: none;
}

.select2-results li.select2-result-with-children > .select2-result-label {
    font-weight: bold;
}

.select2-results .select2-result-label {
    padding: 3px 7px 4px;
    margin: 0;
    cursor: pointer;

    min-height: 1em;

    -webkit-touch-callout: none;
      -webkit-user-select: none;
       -khtml-user-select: none;
         -moz-user-select: none;
          -ms-user-select: none;
              user-select: none;
}

.select2-results .select2-highlighted {
    background: #3875d7;
    color: #fff;
}

.select2-results li em {
    background: #feffde;
    font-style: normal;
}

.select2-results .select2-highlighted em {
    background: transparent;
}

.select2-results .select2-highlighted ul {
    background: white;
    color: #000;
}


.select2-results .select2-no-results,
.select2-results .select2-searching,
.select2-results .select2-selection-limit {
    background: #f4f4f4;
    display: list-item;
}

/*
disabled look for disabled choices in the results dropdown
*/
.select2-results .select2-disabled.select2-highlighted {
    color: #666;
    background: #f4f4f4;
    display: list-item;
    cursor: default;
}
.select2-results .select2-disabled {
  background: #f4f4f4;
  display: list-item;
  cursor: default;
}

.select2-results .select2-selected {
    display: none;
}

.select2-more-results.select2-active {
    background: #f4f4f4 url('select2-spinner.gif') no-repeat 100%;
}

.select2-more-results {
    background: #f4f4f4;
    display: list-item;
}

/* disabled styles */

.select2-container.select2-container-disabled .select2-choice {
    background-color: #f4f4f4;
    background-image: none;
    border: 1px solid #ddd;
    cursor: default;
}

.select2-container.select2-container-disabled .select2-choice div {
    background-color: #f4f4f4;
    background-image: none;
    border-left: 0;
}

.select2-container.select2-container-disabled .select2-choice abbr {
    display: none;
}


/* multiselect:height: 34px; */


.select2-container-multi .select2-choices {
    
    height: 34px;
    margin: 0;
    padding: 0;
    position: relative;

    border: 1px solid #aaa;
    cursor: text;
    overflow-x:hidden;
    overflow-y:scroll;

    background-color: #fff;
    background-image: -webkit-gradient(linear, 0% 0%, 0% 100%, color-stop(1%, #eeeeee), color-stop(15%, #ffffff));
    background-image: -webkit-linear-gradient(top, #eeeeee 1%, #ffffff 15%);
    background-image: -moz-linear-gradient(top, #eeeeee 1%, #ffffff 15%);
    background-image: -o-linear-gradient(top, #eeeeee 1%, #ffffff 15%);
    background-image: -ms-linear-gradient(top, #eeeeee 1%, #ffffff 15%);
    background-image: linear-gradient(top, #eeeeee 1%, #ffffff 15%);
}

.select2-locked {
  padding: 3px 5px 3px 5px !important;
}

.select2-container-multi .select2-choices {
    min-height: 26px;
}

.select2-container-multi.select2-container-active .select2-choices {
    border: 1px solid #5897fb;
    outline: none;

    -webkit-box-shadow: 0 0 5px rgba(0,0,0,.3);
       -moz-box-shadow: 0 0 5px rgba(0,0,0,.3);
            box-shadow: 0 0 5px rgba(0,0,0,.3);
}
.select2-container-multi .select2-choices li {
    float: left;
    list-style: none;
}
.select2-container-multi .select2-choices .select2-search-field {
    margin: 0;
    padding: 0;
    white-space: nowrap;
}

.select2-container-multi .select2-choices .select2-search-field input {
    padding: 5px;
    margin: 1px 0;

    font-family: sans-serif;
    font-size: 100%;
    color: #666;
    outline: 0;
    border: 0;
    -webkit-box-shadow: none;
       -moz-box-shadow: none;
            box-shadow: none;
    background: transparent !important;
}

.select2-container-multi .select2-choices .select2-search-field input.select2-active {
    background: #fff url('select2-spinner.gif') no-repeat 100% !important;
}

.select2-default {
    color: #999 !important;
}

.select2-container-multi .select2-choices .select2-search-choice {
    padding: 0px 0px 0px 3px;
    margin: 1px 0 1px 3px;
    position: relative;
    height:20px;
    line-height: 13px;
    color: #333;
    cursor: default;
    border: 1px solid #aaaaaa;

    -webkit-border-radius: 3px;
       -moz-border-radius: 3px;
            border-radius: 3px;

    -webkit-box-shadow: 0 0 2px #ffffff inset, 0 1px 0 rgba(0,0,0,0.05);
       -moz-box-shadow: 0 0 2px #ffffff inset, 0 1px 0 rgba(0,0,0,0.05);
            box-shadow: 0 0 2px #ffffff inset, 0 1px 0 rgba(0,0,0,0.05);

    -webkit-background-clip: padding-box;
       -moz-background-clip: padding;
            background-clip: padding-box;

    -webkit-touch-callout: none;
      -webkit-user-select: none;
       -khtml-user-select: none;
         -moz-user-select: none;
          -ms-user-select: none;
              user-select: none;

    background-color: #e4e4e4;
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#eeeeee', endColorstr='#f4f4f4', GradientType=0 );
    background-image: -webkit-gradient(linear, 0% 0%, 0% 100%, color-stop(20%, #f4f4f4), color-stop(50%, #f0f0f0), color-stop(52%, #e8e8e8), color-stop(100%, #eeeeee));
    background-image: -webkit-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
    background-image: -moz-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
    background-image: -o-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
    background-image: -ms-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
    background-image: linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
}
.select2-container-multi .select2-choices .select2-search-choice span {
    cursor: default;
}
.select2-container-multi .select2-choices .select2-search-choice-focus {
    background: #d4d4d4;
}

.select2-search-choice-close {
    display: block;
    width: 12px;
    height: 28px;
    position: absolute;
    right: 0px;
    top: 0px;

    font-size: 1px;
    outline: none;
    background: url('../img/select2.png') center no-repeat;
}

.select2-container-multi .select2-search-choice-close {
    left: 0px;
}

.select2-container-multi .select2-choices .select2-search-choice .select2-search-choice-close:hover {
  background-position: center -0px;
}
.select2-container-multi .select2-choices .select2-search-choice-focus .select2-search-choice-close {
    background-position: center -0px;
}

/* disabled styles */
.select2-container-multi.select2-container-disabled .select2-choices{
    background-color: #f4f4f4;
    background-image: none;
    border: 1px solid #ddd;
    cursor: default;
}

.select2-container-multi.select2-container-disabled .select2-choices .select2-search-choice {
    padding: 3px 5px 3px 5px;
    border: 1px solid #ddd;
    background-image: none;
    background-color: #f4f4f4;
}

.select2-container-multi.select2-container-disabled .select2-choices .select2-search-choice .select2-search-choice-close {    display: none;
    background:none;
}
/* end multiselect */


.select2-result-selectable .select2-match,
.select2-result-unselectable .select2-match {
    text-decoration: underline;
}

.select2-offscreen, .select2-offscreen:focus {
    clip: rect(0 0 0 0);
    width: 1px;
    height: 1px;
    border: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
    position: absolute;
    outline: 0;
    left: 0px;
}

.select2-display-none {
    display: none;
}

.select2-measure-scrollbar {
    position: absolute;
    top: -10000px;
    left: -10000px;
    width: 100px;
    height: 100px;
    overflow: scroll;
}
/* Retina-ize icons */

@media only screen and (-webkit-min-device-pixel-ratio: 1.5), only screen and (min-resolution: 144dpi)  {
  .select2-search input, .select2-search-choice-close, .select2-container .select2-choice abbr, .select2-container .select2-choice div b {
      background-image: url('select2x2.png') !important;
      background-repeat: no-repeat !important;
      background-size: 60px 40px !important;
  }
  .select2-search input {
      background-position: 100% -21px !important;
  }
}

    js文件如下:因为如果版本不对,也就没有下拉多选的效果了:

/*
Copyright 2012 Igor Vaynberg

Version: 3.4.0 Timestamp: Tue May 14 08:27:33 PDT 2013

This software is licensed under the Apache License, Version 2.0 (the "Apache License") or the GNU
General Public License version 2 (the "GPL License"). You may choose either license to govern your
use of this software only upon the condition that you accept all of the terms of either the Apache
License or the GPL License.

You may obtain a copy of the Apache License and the GPL License at:

http://www.apache.org/licenses/LICENSE-2.0
http://www.gnu.org/licenses/gpl-2.0.html

Unless required by applicable law or agreed to in writing, software distributed under the Apache License
or the GPL Licesnse is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
either express or implied. See the Apache License and the GPL License for the specific language governing
permissions and limitations under the Apache License and the GPL License.
*/
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"):m(""),b;f.formatSearching&&0===this.findHighlightableChoices().length&&m("
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"),d.addClass("select2-active"),i=this.tokenize(),i!=b&&null!=i&&d.val(i),this.resultsPage=1,f.query({element:f.element,term:d.val(),page:this.resultsPage,context:null,matcher:f.matcher,callback:this.bind(function(g){var i;return this.opened()?(this.context=g.context===b?null:g.context,this.opts.createSearchChoice&&""!==d.val()&&(i=this.opts.createSearchChoice.call(null,d.val(),g.results),i!==b&&null!==i&&h.id(i)!==b&&null!==h.id(i)&&0===a(g.results).filter(function(){return o(h.id(this),h.id(i))}).length&&g.results.unshift(i)),0===g.results.length&&G(f.formatNoMatches,"formatNoMatches")?(m("
"+f.formatNoMatches(d.val())+"
"),b):(e.empty(),h.opts.populateResults.call(this,e,g.results,{term:d.val(),page:this.resultsPage,context:null}),g.more===!0&&G(f.formatLoadMore,"formatLoadMore")&&(e.append("
"+h.opts.escapeMarkup(f.formatLoadMore(this.resultsPage))+"
"),window.setTimeout(function(){h.loadMoreIfNeeded()},10)),this.postprocessResults(g,c),l(),this.opts.element.trigger({type:"select2-loaded",data:g}),b)):(this.search.removeClass("select2-active"),b)})})}},cancel:function(){this.close()},blur:function(){this.opts.selectOnBlur&&this.selectHighlighted({noFocus:!0}),this.close(),this.container.removeClass("select2-container-active"),this.search[0]===document.activeElement&&this.search.blur(),this.clearSearch(),this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus")},focusSearch:function(){w(this.search)},selectHighlighted:function(a){var b=this.highlight(),c=this.results.find(".select2-highlighted"),d=c.closest(".select2-result").data("select2-data");d&&(this.highlight(b),this.onSelect(d,a))},getPlaceholder:function(){return this.opts.element.attr("placeholder")||this.opts.element.attr("data-placeholder")||this.opts.element.data("placeholder")||this.opts.placeholder},initContainerWidth:function(){function c(){var c,d,e,f,g;if("off"===this.opts.width)return null;if("element"===this.opts.width)return 0===this.opts.element.outerWidth(!1)?"auto":this.opts.element.outerWidth(!1)+"px";if("copy"===this.opts.width||"resolve"===this.opts.width){if(c=this.opts.element.attr("style"),c!==b)for(d=c.split(";"),f=0,g=d.length;g>f;f+=1)if(e=d[f].replace(/\s/g,"").match(/width:(([-+]?([0-9]*\.)?[0-9]+)(px|em|ex|%|in|cm|mm|pt|pc))/i),null!==e&&e.length>=1)return e[1];return c=this.opts.element.css("width"),c&&c.length>0?c:"resolve"===this.opts.width?0===this.opts.element.outerWidth(!1)?"auto":this.opts.element.outerWidth(!1)+"px":null}return a.isFunction(this.opts.width)?this.opts.width():this.opts.width}var d=c.call(this);null!==d&&this.container.css("width",d)}}),e=K(d,{createContainer:function(){var b=a(document.createElement("div")).attr({"class":"select2-container"}).html(["","    ","   
","","","
","   
","       ","   
","   
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"].join(""));return b},enableInterface:function(){this.parent.enableInterface.apply(this,arguments)&&this.focusser.prop("disabled",!this.isInterfaceEnabled())},opening:function(){var b,c;this.parent.opening.apply(this,arguments),this.showSearchInput!==!1&&this.search.val(this.focusser.val()),this.search.focus(),b=this.search.get(0),b.createTextRange&&(c=b.createTextRange(),c.collapse(!1),c.select()),this.focusser.prop("disabled",!0).val(""),this.updateResults(!0),this.opts.element.trigger(a.Event("select2-open"))},close:function(){this.opened()&&(this.parent.close.apply(this,arguments),this.focusser.removeAttr("disabled"),this.focusser.focus())},focus:function(){this.opened()?this.close():(this.focusser.removeAttr("disabled"),this.focusser.focus())},isFocused:function(){return this.container.hasClass("select2-container-active")},cancel:function(){this.parent.cancel.apply(this,arguments),this.focusser.removeAttr("disabled"),this.focusser.focus()},initContainer:function(){var d,e=this.container,f=this.dropdown;this.showSearch(!1),this.selection=d=e.find(".select2-choice"),this.focusser=e.find(".select2-focusser"),this.focusser.attr("id","s2id_autogen"+g()),a("label[for='"+this.opts.element.attr("id")+"']").attr("for",this.focusser.attr("id")),this.focusser.attr("tabindex",this.elementTabIndex),this.search.on("keydown",this.bind(function(a){if(this.isInterfaceEnabled()){if(a.which===c.PAGE_UP||a.which===c.PAGE_DOWN)return y(a),b;switch(a.which){case c.UP:case c.DOWN:return this.moveHighlight(a.which===c.UP?-1:1),y(a),b;case c.ENTER:return this.selectHighlighted(),y(a),b;case c.TAB:return this.selectHighlighted({noFocus:!0}),b;case c.ESC:return this.cancel(a),y(a),b}}})),this.search.on("blur",this.bind(function(){document.activeElement===this.body().get(0)&&window.setTimeout(this.bind(function(){this.search.focus()}),0)})),this.focusser.on("keydown",this.bind(function(a){return!this.isInterfaceEnabled()||a.which===c.TAB||c.isControl(a)||c.isFunctionKey(a)||a.which===c.ESC?b:this.opts.openOnEnter===!1&&a.which===c.ENTER?(y(a),b):a.which==c.DOWN||a.which==c.UP||a.which==c.ENTER&&this.opts.openOnEnter?(this.open(),y(a),b):a.which==c.DELETE||a.which==c.BACKSPACE?(this.opts.allowClear&&this.clear(),y(a),b):b})),r(this.focusser),this.focusser.on("keyup-change input",this.bind(function(a){a.stopPropagation(),this.opened()||this.open()})),d.on("mousedown","abbr",this.bind(function(a){this.isInterfaceEnabled()&&(this.clear(),z(a),this.close(),this.selection.focus())})),d.on("mousedown",this.bind(function(b){this.container.hasClass("select2-container-active")||this.opts.element.trigger(a.Event("select2-focus")),this.opened()?this.close():this.isInterfaceEnabled()&&this.open(),y(b)})),f.on("mousedown",this.bind(function(){this.search.focus()})),d.on("focus",this.bind(function(a){y(a)})),this.focusser.on("focus",this.bind(function(){this.container.hasClass("select2-container-active")||this.opts.element.trigger(a.Event("select2-focus")),this.container.addClass("select2-container-active")})).on("blur",this.bind(function(){this.opened()||(this.container.removeClass("select2-container-active"),this.opts.element.trigger(a.Event("select2-blur")))})),this.search.on("focus",this.bind(function(){this.container.hasClass("select2-container-active")||this.opts.element.trigger(a.Event("select2-focus")),this.container.addClass("select2-container-active")})),this.initContainerWidth(),this.opts.element.addClass("select2-offscreen"),this.setPlaceholder()},clear:function(a){var b=this.selection.data("select2-data");b&&(this.opts.element.val(""),this.selection.find("span").empty(),this.selection.removeData("select2-data"),this.setPlaceholder(),a!==!1&&(this.opts.element.trigger({type:"select2-removed",val:this.id(b),choice:b}),this.triggerChange({removed:b})))},initSelection:function(){if(""===this.opts.element.val()&&""===this.opts.element.text())this.updateSelection([]),this.close(),this.setPlaceholder();else{var c=this;this.opts.initSelection.call(null,this.opts.element,function(a){a!==b&&null!==a&&(c.updateSelection(a),c.close(),c.setPlaceholder())})}},prepareOpts:function(){var b=this.parent.prepareOpts.apply(this,arguments),c=this;return"select"===b.element.get(0).tagName.toLowerCase()?b.initSelection=function(a,b){var d=a.find(":selected");b(c.optionToData(d))}:"data"in b&&(b.initSelection=b.initSelection||function(c,d){var e=c.val(),f=null;b.query({matcher:function(a,c,d){var g=o(e,b.id(d));return g&&(f=d),g},callback:a.isFunction(d)?function(){d(f)}:a.noop})}),b},getPlaceholder:function(){return this.select&&""!==this.select.find("option").first().text()?b:this.parent.getPlaceholder.apply(this,arguments)},setPlaceholder:function(){var a=this.getPlaceholder();if(""===this.opts.element.val()&&a!==b){if(this.select&&""!==this.select.find("option:first").text())return;this.selection.find("span").html(this.opts.escapeMarkup(a)),this.selection.addClass("select2-default"),this.container.removeClass("select2-allowclear")}},postprocessResults:function(a,c,d){var e=0,f=this;if(this.findHighlightableChoices().each2(function(a,c){return o(f.id(c.data("select2-data")),f.opts.element.val())?(e=a,!1):b}),d!==!1&&this.highlight(e),c===!0&&this.showSearchInput===!1){var h=this.opts.minimumResultsForSearch;h>=0&&this.showSearch(I(a.results)>=h)}},showSearch:function(b){this.showSearchInput=b,this.dropdown.find(".select2-search").toggleClass("select2-search-hidden",!b),this.dropdown.find(".select2-search").toggleClass("select2-offscreen",!b),a(this.dropdown,this.container).toggleClass("select2-with-searchbox",b)},onSelect:function(a,b){if(this.triggerSelect(a)){var c=this.opts.element.val(),d=this.data();this.opts.element.val(this.id(a)),this.updateSelection(a),this.opts.element.trigger({type:"select2-selected",val:this.id(a),choice:a}),this.close(),b&&b.noFocus||this.selection.focus(),o(c,this.id(a))||this.triggerChange({added:a,removed:d})}},updateSelection:function(a){var d,c=this.selection.find("span");this.selection.data("select2-data",a),c.empty(),d=this.opts.formatSelection(a,c),d!==b&&c.append(this.opts.escapeMarkup(d)),this.selection.removeClass("select2-default"),this.opts.allowClear&&this.getPlaceholder()!==b&&this.container.addClass("select2-allowclear")},val:function(){var a,c=!1,d=null,e=this,f=this.data();if(0===arguments.length)return this.opts.element.val();if(a=arguments[0],arguments.length>1&&(c=arguments[1]),this.select)this.select.val(a).find(":selected").each2(function(a,b){return d=e.optionToData(b),!1}),this.updateSelection(d),this.setPlaceholder(),c&&this.triggerChange({added:d,removed:f});else{if(this.opts.initSelection===b)throw Error("cannot call val() if initSelection() is not defined");if(!a&&0!==a)return this.clear(c),b;this.opts.element.val(a),this.opts.initSelection(this.opts.element,function(a){e.opts.element.val(a?e.id(a):""),e.updateSelection(a),e.setPlaceholder(),c&&e.triggerChange({added:a,removed:f})})}},clearSearch:function(){this.search.val(""),this.focusser.val("")},data:function(a,c){var d;return 0===arguments.length?(d=this.selection.data("select2-data"),d==b&&(d=null),d):(a&&""!==a?(d=this.data(),this.opts.element.val(a?this.id(a):""),this.updateSelection(a),c&&this.triggerChange({added:a,removed:d})):this.clear(c),b)}}),f=K(d,{createContainer:function(){var b=a(document.createElement("div")).attr({"class":"select2-container select2-container-multi"}).html(["    
","  
","    ","  
","
","
","   
","   
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return b},prepareOpts:function(){var b=this.parent.prepareOpts.apply(this,arguments),c=this;return"select"===b.element.get(0).tagName.toLowerCase()?b.initSelection=function(a,b){var d=[];a.find(":selected").each2(function(a,b){d.push(c.optionToData(b))}),b(d)}:"data"in b&&(b.initSelection=b.initSelection||function(c,d){var e=p(c.val(),b.separator),f=[];b.query({matcher:function(c,d,g){var h=a.grep(e,function(a){return o(a,b.id(g))}).length;return h&&f.push(g),h},callback:a.isFunction(d)?function(){for(var a=[],c=0;e.length>c;c++)for(var g=e[c],h=0;f.length>h;h++){var i=f[h];if(o(g,b.id(i))){a.push(i),f.splice(h,1);break}}d(a)}:a.noop})}),b},selectChoice:function(a){var b=this.container.find(".select2-search-choice-focus");b.length&&a&&a[0]==b[0]||(b.length&&this.opts.element.trigger("choice-deselected",b),b.removeClass("select2-search-choice-focus"),a&&a.length&&(this.close(),a.addClass("select2-search-choice-focus"),this.opts.element.trigger("choice-selected",a)))},initContainer:function(){var e,d=".select2-choices";this.searchContainer=this.container.find(".select2-search-field"),this.selection=e=this.container.find(d);var f=this;this.selection.on("mousedown",".select2-search-choice",function(){f.search[0].focus(),f.selectChoice(a(this))}),this.search.attr("id","s2id_autogen"+g()),a("label[for='"+this.opts.element.attr("id")+"']").attr("for",this.search.attr("id")),this.search.on("input paste",this.bind(function(){this.isInterfaceEnabled()&&(this.opened()||this.open())})),this.search.attr("tabindex",this.elementTabIndex),this.keydowns=0,this.search.on("keydown",this.bind(function(a){if(this.isInterfaceEnabled()){++this.keydowns;var d=e.find(".select2-search-choice-focus"),f=d.prev(".select2-search-choice:not(.select2-locked)"),g=d.next(".select2-search-choice:not(.select2-locked)"),h=x(this.search);if(d.length&&(a.which==c.LEFT||a.which==c.RIGHT||a.which==c.BACKSPACE||a.which==c.DELETE||a.which==c.ENTER)){var i=d;return a.which==c.LEFT&&f.length?i=f:a.which==c.RIGHT?i=g.length?g:null:a.which===c.BACKSPACE?(this.unselect(d.first()),this.search.width(10),i=f.length?f:g):a.which==c.DELETE?(this.unselect(d.first()),this.search.width(10),i=g.length?g:null):a.which==c.ENTER&&(i=null),this.selectChoice(i),y(a),i&&i.length||this.open(),b}if((a.which===c.BACKSPACE&&1==this.keydowns||a.which==c.LEFT)&&0==h.offset&&!h.length)return this.selectChoice(e.find(".select2-search-choice:not(.select2-locked)").last()),y(a),b;if(this.selectChoice(null),this.opened())switch(a.which){case c.UP:case c.DOWN:return this.moveHighlight(a.which===c.UP?-1:1),y(a),b;case c.ENTER:return this.selectHighlighted(),y(a),b;case c.TAB:return this.selectHighlighted({noFocus:!0}),b;case c.ESC:return this.cancel(a),y(a),b}if(a.which!==c.TAB&&!c.isControl(a)&&!c.isFunctionKey(a)&&a.which!==c.BACKSPACE&&a.which!==c.ESC){if(a.which===c.ENTER){if(this.opts.openOnEnter===!1)return;if(a.altKey||a.ctrlKey||a.shiftKey||a.metaKey)return}this.open(),(a.which===c.PAGE_UP||a.which===c.PAGE_DOWN)&&y(a),a.which===c.ENTER&&y(a)}}})),this.search.on("keyup",this.bind(function(){this.keydowns=0,this.resizeSearch()})),this.search.on("blur",this.bind(function(b){this.container.removeClass("select2-container-active"),this.search.removeClass("select2-focused"),this.selectChoice(null),this.opened()||this.clearSearch(),b.stopImmediatePropagation(),this.opts.element.trigger(a.Event("select2-blur"))})),this.container.on("mousedown",d,this.bind(function(b){this.isInterfaceEnabled()&&(a(b.target).closest(".select2-search-choice").length>0||(this.selectChoice(null),this.clearPlaceholder(),this.container.hasClass("select2-container-active")||this.opts.element.trigger(a.Event("select2-focus")),this.open(),this.focusSearch(),b.preventDefault()))})),this.container.on("focus",d,this.bind(function(){this.isInterfaceEnabled()&&(this.container.hasClass("select2-container-active")||this.opts.element.trigger(a.Event("select2-focus")),this.container.addClass("select2-container-active"),this.dropdown.addClass("select2-drop-active"),this.clearPlaceholder())})),this.initContainerWidth(),this.opts.element.addClass("select2-offscreen"),this.clearSearch()},enableInterface:function(){this.parent.enableInterface.apply(this,arguments)&&this.search.prop("disabled",!this.isInterfaceEnabled())},initSelection:function(){if(""===this.opts.element.val()&&""===this.opts.element.text()&&(this.updateSelection([]),this.close(),this.clearSearch()),this.select||""!==this.opts.element.val()){var c=this;this.opts.initSelection.call(null,this.opts.element,function(a){a!==b&&null!==a&&(c.updateSelection(a),c.close(),c.clearSearch())})}},clearSearch:function(){var a=this.getPlaceholder(),c=this.getMaxSearchWidth();a!==b&&0===this.getVal().length&&this.search.hasClass("select2-focused")===!1?(this.search.val(a).addClass("select2-default"),this.search.width(c>0?c:this.container.css("width"))):this.search.val("").width(10)},clearPlaceholder:function(){this.search.hasClass("select2-default")&&this.search.val("").removeClass("select2-default")},opening:function(){this.clearPlaceholder(),this.resizeSearch(),this.parent.opening.apply(this,arguments),this.focusSearch(),this.updateResults(!0),this.search.focus(),this.opts.element.trigger(a.Event("select2-open"))},close:function(){this.opened()&&this.parent.close.apply(this,arguments)},focus:function(){this.close(),this.search.focus()},isFocused:function(){return this.search.hasClass("select2-focused")},updateSelection:function(b){var c=[],d=[],e=this;a(b).each(function(){0>m(e.id(this),c)&&(c.push(e.id(this)),d.push(this))}),b=d,this.selection.find(".select2-search-choice").remove(),a(b).each(function(){e.addSelectedChoice(this)}),e.postprocessResults()},tokenize:function(){var a=this.search.val();a=this.opts.tokenizer(a,this.data(),this.bind(this.onSelect),this.opts),null!=a&&a!=b&&(this.search.val(a),a.length>0&&this.open())},onSelect:function(a,b){this.triggerSelect(a)&&(this.addSelectedChoice(a),this.opts.element.trigger({type:"selected",val:this.id(a),choice:a}),(this.select||!this.opts.closeOnSelect)&&this.postprocessResults(),this.opts.closeOnSelect?(this.close(),this.search.width(10)):this.countSelectableResults()>0?(this.search.width(10),this.resizeSearch(),this.getMaximumSelectionSize()>0&&this.val().length>=this.getMaximumSelectionSize()&&this.updateResults(!0),this.positionDropdown()):(this.close(),this.search.width(10)),this.triggerChange({added:a}),b&&b.noFocus||this.focusSearch())},cancel:function(){this.close(),this.focusSearch()},addSelectedChoice:function(c){var j,d=!c.locked,e=a("
    
    
"),f=a("
"),g=d?e:f,h=this.id(c),i=this.getVal();j=this.opts.formatSelection(c,g.find("div")),j!=b&&g.find("div").replaceWith("
"+this.opts.escapeMarkup(j)+"
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