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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>Vue.js custom directive integration example (select2)</title>
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<script src="../../dist/vue.js"></script>
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<script src="http://code.jquery.com/jquery-2.1.4.min.js"></script>
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<link href="http://cdnjs.cloudflare.com/ajax/libs/select2/4.0.0/css/select2.min.css" rel="stylesheet">
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<script src="http://cdnjs.cloudflare.com/ajax/libs/select2/4.0.0/js/select2.min.js"></script>
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<style>
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select {
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min-width: 300px;
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}
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</style>
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</head>
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<body>
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<div id="el">
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</div>
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<script type="text/x-tempalte" id="demo-template">
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<div>
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<p>Selected: {{ selected }}</p>
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<select2 :options="options" v-model="selected">
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<option disabled value="0">Select one</option>
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</select2>
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</div>
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</script>
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<script type="text/x-template" id="select2-template">
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<select>
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<slot></slot>
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</select>
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</script>
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<script>
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Vue.component('select2', {
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props: ['options', 'value'],
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template: '#select2-template',
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ready: function () {
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var vm = this
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$(this.$el)
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.val(this.value)
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// init select2
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.select2({ data: this.options })
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// emit event on change.
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.on('change', function () {
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vm.$emit('input', mockEvent(this.value))
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})
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},
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watch: {
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value: function (value) {
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// update value
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$(this.$el).select2('val', value)
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},
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options: function (options) {
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// update options
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$(this.$el).select2({ data: options })
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}
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},
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destroyed: function () {
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$(this.$el).off().select2('destroy')
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}
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})
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// mock an event because the v-model binding expects
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// event.target.value
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function mockEvent (value) {
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return {
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target: {
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value: value
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}
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}
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}
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var vm = new Vue({
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el: '#el',
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template: '#demo-template',
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data: {
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selected: 0,
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options: [
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{ id: 1, text: 'Hello' },
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{ id: 2, text: 'World' }
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]
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}
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})
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</script>
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</body>
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</html>
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