96 lines
2.4 KiB
Markdown
96 lines
2.4 KiB
Markdown
---
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title: Basic usage
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taxonomy:
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category: docs
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process:
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twig: true
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never_cache_twig: true
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---
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## Single select boxes
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Select2 was designed to be a replacement for the standard `<select>` box that is displayed by the browser. By default it supports all options and operations that are available in a standard select box, but with added flexibility.
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Select2 can take a regular select box like this...
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<select class="js-states form-control"></select>
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and turn it into this...
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<div class="s2-example">
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<select class="js-example-basic-single js-states form-control"></select>
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</div>
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```
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<select class="js-example-basic-single">
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<option value="AL">Alabama</option>
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...
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<option value="WY">Wyoming</option>
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</select>
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```
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<script type="text/javascript" class="js-code-example-basic-single">
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$(document).ready(function() {
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$(".js-example-basic-single").select2();
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});
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</script>
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Select2 will register itself as a jQuery function if you use any of the distribution builds, so you can call `.select2()` on any jQuery selector where you would like to initialize Select2.
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```
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$('.js-example-basic-single').select2();
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```
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## Multi-select boxes (pillbox)
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Select2 also supports multi-value select boxes. The select below is declared with the `multiple` attribute.
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<div class="s2-example">
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<p>
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<select class="js-example-basic-multiple js-states form-control" multiple="multiple"></select>
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</p>
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</div>
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```
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<script type="text/javascript">
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$(".js-example-basic-multiple").select2();
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</script>
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<select class="js-example-basic-multiple" multiple="multiple">
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<option value="AL">Alabama</option>
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...
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<option value="WY">Wyoming</option>
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</select>
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```
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<script type="text/javascript">
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$.fn.select2.amd.require([
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"select2/core",
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"select2/utils"
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], function (Select2, Utils, oldMatcher) {
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var $basicSingle = $(".js-example-basic-single");
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var $basicMultiple = $(".js-example-basic-multiple");
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$.fn.select2.defaults.set("width", "100%");
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$basicSingle.select2();
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$basicMultiple.select2();
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function formatState (state) {
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if (!state.id) {
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return state.text;
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}
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var $state = $(
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'<span>' +
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'<img src="vendor/images/flags/' +
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state.element.value.toLowerCase() +
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'.png" class="img-flag" /> ' +
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state.text +
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'</span>'
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);
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return $state;
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};
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});
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</script>
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