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Require >=3 chars for datatable search

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Performing a search with < 3 chars is not generally fruitful
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James Mason 2018-06-20 12:41:05 -07:00 • committed by Henne Vogelsang
parent 64ceaf50f4
commit 7541f5818c
1 changed files with 21 additions and 0 deletions
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21
app/assets/javascripts/osem-datatables.js
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@ -8,4 +8,25 @@ $(function () {
$('.datatable:not([data-source])').DataTable();
$('.datatable').on('init.dt', function (e, settings, json) {
var datatableApi = $(this).dataTable().api();
// Thanks to cale_b: https://stackoverflow.com/u/870729
// Stack Overflow question: https://stackoverflow.com/q/5548893
// Stack Overflow answer: https://stackoverflow.com/a/23897722
// Grab the datatables input box and alter how it is bound to events
$(".dataTables_filter input")
.unbind() // Unbind previous default bindings
.bind("input", function(e) { // Bind our desired behavior
// If the length is 3 or more characters, or the user pressed ENTER, search
if(this.value.length >= 3 || e.keyCode == 13) {
// Call the API search function
datatableApi.search(this.value).draw();
}
// Ensure we clear the search if they backspace far enough
if(this.value == "") {
datatableApi.search("").draw();
}
return;
});
});
});