Free-form select2 with existing values
12 August 2015
In our backend, we’re heavily relying on select2 for choosing values from a list in forms. Sometimes we want to show a list of existing values, but still allow the user to add his own. This can easily be done like this:
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// make sure you've loaded jquery & select2 - http://select2.github.io/select2/ | |
$(function() { | |
// choosing from a list of existing values in a textbox, with the option to add a new one | |
$('.select2-values:not(.no-select2)').each(function() { | |
var $this = $(this), | |
choices = $this.data('values'); | |
$this.select2({ | |
allowClear: true, | |
placeholder: ' ', // non-blank for allowClear to work | |
data: choices.map(function(c) { | |
return {id: c, text: c, new: false}; | |
}), | |
createSearchChoice: function(c) { | |
return {id: c, text: c+" (new value)", new: true}; | |
}, | |
createSearchChoicePosition: 'bottom', | |
formatResultCssClass: function(c) { | |
return c.new ? 'select2-result-freeform' : ''; | |
} | |
}); | |
}); | |
}); |
In our ingredient edit form it looks like this: