使用jQuery或Javascript为select2下拉菜单添加工具提示功能
Add tootip feature to select2 dropdown using jQuery or Javascript?
所以我有一个下拉功能的字段，我想添加一个工具提示弹出每当我悬停在一个选项，有多个选项。我希望工具提示显示该选项内容(即:"你好"、"问候"等)。此外，当我将鼠标悬停在一个选项上时，它会添加一个额外的类"select2-highlight"。我怎样才能弥补呢?
<div id="select2-drop" class="select2-drop select2-drop-multi select2-display-none select2-drop-active select2-drop-above" style="width: 175px; display: block; top: 653.833px; left: 609.467px;">
<ul class="select2-results">
<li class="select2-results-dept-0 select2-result select2-result-selectable">
<div class=select2-result-label">Hello</div>
</li>
<li class="select2-results-dept-0 select2-result select2-result-selectable">
<div class=select2-result-label">Greetings</div>
</li>
<li class="select2-results-dept-0 select2-result select2-result-selectable">
<div class=select2-result-label">Good-bye</div>
</li>
<li class="select2-results-dept-0 select2-result select2-result-selectable">
<div class=select2-result-label">Salutations</div>
</li>
<li class="select2-results-dept-0 select2-result select2-result-selectable">
<div class=select2-result-label">See ya!</div>
</li>
</ul>
</div>
下面是我看到的一个示例的代码片段，我希望发生。然而，我对使用哪个类感到困惑。这是我目前得到的。我在里面放了一个警告来确保我做的对不对。
jQuery(document).ready(function() {
jQuery('.select2-results-dept-0').click(function() {
alert("TEST TEST TEST");
});
});
下面是我看到的一个我一直在尝试实现的例子。
$('.uitip').tooltip();<div>
<h4>Default behaviours</h4>
<select>
<option title=""></option>
<option title="1">1</option>
<option title="2">2</option>
<option title="3">3</option>
<option title="4">4</option>
</select>
<select multiple>
<option title=""></option>
<option title="1">1</option>
<option title="2">2</option>
<option title="3">3</option>
<option title="4">4</option>
</select>
</div>
<div>
<h4 class='uitip' title='Tests with jQuery UI Tooltips applied'>jQuery UI tooltips</h4>
<select class='uitip' title='has tooltips'>
<option title=""></option>
<option title="1">1</option>
<option title="2">2</option>
<option title="3">3</option>
<option title="4">4</option>
</select>
<select multiple class='uitip' title='has tooltips'>
<option title=""></option>
<option title="1">1</option>
<option title="2">2</option>
<option title="3">3</option>
<option title="4">4</option>
</select>
</div>任何帮助将不胜感激!谢谢!
$(".select2-result-selectable").on("mouseover", function(event){
$(".tooltip").html(event.target.innerHTML);
$(".tooltip").css({"display":"block", "left": (event.clientX+5)+"px", "top": (event.clientY+5)+"px"});
});
$(".select2-result-selectable").on("mouseout", function(event){
$(".tooltip").css("display", "none");
});/*
Version: 3.4.5 Timestamp: Mon Nov 4 08:22:42 PST 2013
*/
.select2-container {
margin: 0 0 1rem 0;
position: relative;
vertical-align: middle;
font-family: inherit;
-webkit-appearance: none !important;
font-size: 0.875rem;
background: #fafafa url("data:image/svg+xml;base64,PHN2ZyB2ZXJzaW9uPSIxLjEiIGlkPSJMYXllcl8xIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHhtbG5zOnhsaW5rPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rIiB4PSIwcHgiIHk9IjBweCIgd2lkdGg9IjE2cHgiIGhlaWdodD0iM3B4IiB2aWV3Qm94PSIwIDAgMTYgMyIgZW5hYmxlLWJhY2tncm91bmQ9Im5ldyAwIDAgMTYgMyIgeG1sOnNwYWNlPSJwcmVzZXJ2ZSI+PHBvbHlnb24gcG9pbnRzPSI1Ljk5MiwwIDIuOTkyLDMgLTAuMDA4LDAgIi8+PC9zdmc+DQo=") no-repeat;
background-position-x: 100%;
background-position-y: center;
}
.select2-container:hover {
background-color: #f2f2f2;
border-color: #999;
}
.error .select2-container {
margin-bottom: 0;
}
.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 */
-moz-box-sizing: border-box; /* firefox */
box-sizing: border-box; /* css3 */
}
.select2-container .select2-choice {
display: block;
overflow: hidden;
position: relative;
height: 2.315rem;
border: 1px solid #ccc;
padding: 0.5rem 1rem 0.5rem 0.5rem;
white-space: nowrap;
line-height: 1.3125rem;
color: inherit;
text-decoration: none;
-webkit-box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
-moz-box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
-webkit-touch-callout: none;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
.select2-container.select2-drop-above .select2-choice {
/*border-bottom-color: #aaa;*/
}
.select2-container.select2-allowclear .select2-choice .select2-chosen {
margin-right: 42px;
}
.select2-container .select2-choice > .select2-chosen {
margin-right: 1rem;
display: block;
overflow: hidden;
white-space: nowrap;
text-overflow: ellipsis;
}
.select2-container .select2-choice abbr {
display: none;
width: 9px;
height: 9px;
position: absolute;
right: 24px;
top: 13px;
font-size: 1px;
text-decoration: none;
border: 0;
background: transparent url("data:image/svg+xml;base64,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") 50% 50% no-repeat;
cursor: pointer;
outline: 0;
opacity: 0.5;
}
.select2-container.select2-allowclear .select2-choice abbr {
display: inline-block;
}
.select2-container .select2-choice abbr:hover {
/*background-position: right -11px;*/
opacity: 1;
cursor: pointer;
}
.select2-drop-mask {
border: 0;
margin: 0;
padding: 0;
position: fixed;
left: 0;
top: 0;
min-height: 100%;
min-width: 100%;
height: auto;
width: auto;
opacity: 0;
z-index: 9998;
/* styles required for IE to work */
background-color: #fff;
filter: alpha(opacity=0);
}
.select2-drop {
width: 100%;
margin-top: -1px;
position: absolute;
z-index: 9999;
top: 100%;
background: #fafafa;
color: #000;
border: 1px solid #999;
border-top: 0;
outline: none;
-webkit-box-shadow: 0 3px 5px -2px #999999;
-moz-box-shadow: 0 3px 5px -2px #999999;
box-shadow: 0 3px 5px -2px #999999;
/*
padding-top: 2.315rem;
margin-top: -2.315rem;
*/
}
.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;*/
padding-top: 0;
margin-top: 0;
margin-bottom: -4.630rem;
padding-bottom: 2.315rem;
}
.select2-drop-active {
border: 1px solid #999;
border-top: none;
}
.select2-drop.select2-drop-above.select2-drop-active {
border-top: 1px solid #999;
}
.select2-container .select2-choice .select2-arrow {
display: none;
/* width: 18px;
height: 100%;
position: absolute;
right: 0;
top: 0;
border-left: 1px solid #aaa;
border-radius: 0 4px 4px 0;
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%);
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr = '#eeeeee', endColorstr = '#cccccc', GradientType = 0);
background-image: linear-gradient(top, #ccc 0%, #eee 60%);
*/}
.select2-container .select2-choice .select2-arrow b {
display: block;
width: 100%;
height: 100%;
background: url('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-box-shadow: none !important;
-moz-box-shadow: none !important;
box-shadow: none !important;
background: #fff url('select2.png') no-repeat 100% -22px;
/* background: url('select2.png') no-repeat 100% -22px, -webkit-gradient(linear, left bottom, left top, color-stop(0.85, #fff), color-stop(0.99, #eee));
background: url('select2.png') no-repeat 100% -22px, -webkit-linear-gradient(center bottom, #fff 85%, #eee 99%);
background: url('select2.png') no-repeat 100% -22px, -moz-linear-gradient(center bottom, #fff 85%, #eee 99%);
background: url('select2.png') no-repeat 100% -22px, linear-gradient(top, #fff 85%, #eee 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, #fff), color-stop(0.99, #eee));
background: url('select2-spinner.gif') no-repeat 100%, -webkit-linear-gradient(center bottom, #fff 85%, #eee 99%);
background: url('select2-spinner.gif') no-repeat 100%, -moz-linear-gradient(center bottom, #fff 85%, #eee 99%);
background: url('select2-spinner.gif') no-repeat 100%, linear-gradient(top, #fff 85%, #eee 99%);
*/}
.select2-container-active .select2-choice,
.select2-container-active .select2-choices {
border: 1px solid #999;
outline: none;
-webkit-box-shadow: 0 0 5px #999;
-moz-box-shadow: 0 0 5px #999;
box-shadow: 0 0 5px #999;
}
.select2-dropdown-open .select2-choice {
/*border-bottom-color: transparent;*/
border-bottom-width: 0;
background: #fafafa;
/*z-index: 10000;*/
-webkit-box-shadow: none;
-moz-box-shadow: none;
box-shadow: none;
}
.select2-dropdown-open.select2-drop-above .select2-choice,
.select2-dropdown-open.select2-drop-above .select2-choices {
/*border: 1px solid #999;*/
border-top-color: #ccc;
border-bottom-width: 1px;
}
.select2-dropdown-open .select2-choice .select2-arrow {
background: transparent;
border-left: none;
filter: none;
}
.select2-dropdown-open .select2-choice .select2-arrow b {
background-position: -18px 1px;
}
/* results */
.select2-results {
max-height: 200px;
padding: 0 0.25rem;
margin: 0.25rem 0;
position: relative;
overflow-x: hidden;
overflow-y: auto;
font-size: 0.875rem;
-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: 0.25rem;
margin: 0;
cursor: pointer;
min-height: 1em;
-webkit-touch-callout: none;
-webkit-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: #fff;
color: #000;
}
.select2-results .select2-no-results,
.select2-results .select2-searching,
.select2-results .select2-selection-limit {
background: transparent;
display: list-item;
padding: 0.25rem;
color: #999;
font-style: italic;
}
/*
disabled look for disabled choices in the results dropdown
*/
.select2-results .select2-disabled.select2-highlighted {
color: #666;
background: #eee;
display: list-item;
cursor: default;
}
.select2-results .select2-disabled {
background: #eee;
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: #eee;
background-image: none;
border: 1px solid #ddd;
cursor: default;
}
.select2-container.select2-container-disabled .select2-choice .select2-arrow {
background-color: #eee;
background-image: none;
border-left: 0;
}
.select2-container.select2-container-disabled .select2-choice abbr {
display: none;
}
/* multiselect */
.select2-container-multi .select2-choices {
height: auto !important;
height: 1%;
margin: 0;
padding: 0;
position: relative;
font-size: 0.875rem;
cursor: text;
overflow: hidden;
background-color: #fafafa;
border: 1px solid #ccc;
}
.select2-locked {
padding: 3px 5px 3px 5px !important;
}
.select2-container-multi.select2-container-active .select2-choices {
border: 1px solid #999;
outline: none;
-webkit-box-shadow: 0 0 5px #999;
-moz-box-shadow: 0 0 5px #999;
box-shadow: 0 0 5px #999;
}
.select2-container-multi.select2-container-active.select2-dropdown-open .select2-choices {
-webkit-box-shadow: none;
-moz-box-shadow: none;
box-shadow: none;
}
.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: .1875rem .5rem .1875rem 1.25rem;
margin: .25rem 0 0 .25rem;
position: relative;
line-height: 1.5rem;
color: #333;
cursor: default;
background-color: #ddd;
background-clip: padding-box;
-webkit-touch-callout: none;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
.select2-container-multi .select2-choices .select2-search-choice .select2-chosen {
cursor: default;
}
.select2-container-multi .select2-choices .select2-search-choice-focus {
background: #d4d4d4;
}
.select2-search-choice-close {
display: inline-block;
width: 0.75rem;
height: 0.75rem;
position: absolute;
right: .25rem;
top: .5rem;
font-size: 1px;
outline: none;
background: transparent url("data:image/svg+xml;base64,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") 50% 50% no-repeat;
opacity: 0.5;
}
.select2-container-multi .select2-search-choice-close {
left: .25rem;
}
.select2-container-multi .select2-choices .select2-search-choice .select2-search-choice-close:hover {
opacity: 1;
}
.select2-container-multi .select2-choices .select2-search-choice-focus .select2-search-choice-close {
/*background-position: right -11px;*/
}
/* disabled styles */
.select2-container-multi.select2-container-disabled .select2-choices {
background-color: #eee;
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: #eee;
}
.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) !important;
width: 1px !important;
height: 1px !important;
border: 0 !important;
margin: 0 !important;
padding: 0 !important;
overflow: hidden !important;
position: absolute !important;
outline: 0 !important;
left: 0px !important;
top: 0px !important;
}
.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 .select2-arrow 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;
}
}
.tooltip{
border: 1px solid red;
position: absolute;
z-index: 99999;
}<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="select2-drop" class="select2-drop select2-drop-multi select2-display-none select2-drop-active select2-drop-above" style="width: 175px; display: block; top: 0px; left: 0px;">
<ul class="select2-results">
<li class="select2-results-dept-0 select2-result select2-result-selectable">
<div class="select2-result-label">Hello</div>
</li>
<li class="select2-results-dept-0 select2-result select2-result-selectable">
<div class="select2-result-label">Greetings</div>
</li>
<li class="select2-results-dept-0 select2-result select2-result-selectable">
<div class="select2-result-label">Good-bye</div>
</li>
<li class="select2-results-dept-0 select2-result select2-result-selectable">
<div class="select2-result-label">Salutations</div>
</li>
<li class="select2-results-dept-0 select2-result select2-result-selectable">
<div class="select2-result-label">See ya!</div>
</li>
</ul>
</div>
<div class='tooltip'></div>希望这对你有用…
这是我对我的项目的解决方案
$('body').on('mouseenter', '.select2-results__option.select2-results__option--highlighted', function (e) {
var data = $(this).data().data;
var desc = "";
if (data.description) {
desc = data.description;
}
if (desc != "") {
var t = $(this).tooltip({
title: desc,
placement: ($(window).width() < 1368 ? "bottom" : "right")
}).tooltip('show');
}
});
$('body').on('mouseleave', '.select2-results__option.select2-results__option--highlighted', function (e) {
$(".select2-results__option").tooltip('destroy');
});
https://jsfiddle.net/8odneso7/2/这也工作得很好，看起来很好，这是我在那里找到的代码:
HTML:<select name="xxx" class="select-full" title="some_title">
<option value="1">1</option>
<option value="2">2</option>
</select>
<select name="xxx2" class="select-full" title="another title">
<option value="1">One</option>
<option value="2">Two</option>
</select>
<br/>
<br/>
<a href="#" class="tip-normal" title="this one works">hover me</a>
$('.tip-normal').tooltip({
placement: "auto",
html: true
});
$(".select-full").select2({
width: "100%",
});
console.log($(".select2-container").length)
$(".select2-container").tooltip({
title: function() {
return $(this).prev().attr("title");
},
placement: "auto",
//container: 'body'
});
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