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Extended options search query #50

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8 changes: 8 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -90,6 +90,14 @@ multi(select_element, {
});
```

### Extended search

You can extended your options search abilities by adding custom search parameters in `data-search=""` to your options.

```html
<option data-search="delicious taste for a pie">Apple</option>
```

### jQuery

multi.js is fully native Javascript but also has jQuery support. If you have jQuery included multi can be applied to a select element as follows:
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4 changes: 2 additions & 2 deletions dist/multi-es6.min.js
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4 changes: 2 additions & 2 deletions dist/multi.min.js
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57 changes: 57 additions & 0 deletions examples/extended-search.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,57 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>multi.js Extended Search Example</title>

<!-- Include multi.js -->
<link rel="stylesheet" type="text/css" href="../dist/multi.min.css" />
<script src="../dist/multi.min.js"></script>

<style>
/* Basic styling */
body {
font-family: sans-serif;
}

.container {
box-sizing: border-box;
margin: 0 auto;
max-width: 500px;
padding: 0 20px;
width: 100%;
}
</style>
</head>
<body>
<div class="container">
<h1>multi.js</h1>

<form>
<select
multiple="multiple"
name="favorite_fruits"
id="fruit_select"
>
<option data-search="Fuji Gala Pink Lady">Apple</option>
<option>Banana</option>
<option>Blueberry</option>
<option>Cherry</option>
<option>Coconut</option>
<option>Grapefruit</option>
<option>Kiwi</option>
<option>Lemon</option>
<option>Lime</option>
<option>Mango</option>
<option data-search="Clementine Mandarine Tangerine">Orange</option>
<option>Papaya</option>
</select>
</form>
</div>

<script>
var select = document.getElementById("fruit_select");
multi(select)
</script>
</body>
</html>
8 changes: 7 additions & 1 deletion src/multi.js
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Original file line number Diff line number Diff line change
Expand Up @@ -110,6 +110,7 @@ var multi = (function() {

var value = option.value;
var label = option.textContent || option.innerText;
var search = option.getAttribute('data-search')

var row = document.createElement("a");
row.tabIndex = 0;
Expand All @@ -119,6 +120,10 @@ var multi = (function() {
row.setAttribute("data-value", value);
row.setAttribute("multi-index", i);

if (search) {
row.setAttribute("data-search", search);
}

if (option.disabled) {
row.className += " disabled";
}
Expand Down Expand Up @@ -158,7 +163,8 @@ var multi = (function() {
// Apply search filtering
if (
!query ||
(query && label.toLowerCase().indexOf(query.toLowerCase()) > -1)
(query && label.toLowerCase().indexOf(query.toLowerCase()) > -1) ||
(query && search && search.toLowerCase().indexOf(query.toLowerCase()) > -1)
) {
// Append to group if one exists, else just append to wrapper
if (item_group != null) {
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