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| 1 | +<!DOCTYPE html> |
| 2 | +<html lang="en"> |
| 3 | + <head> |
| 4 | + <meta charset="utf-8"> |
| 5 | + <title>Vue.js custom directive integration example (select2)</title> |
| 6 | + <script src="../../dist/vue.js"></script> |
| 7 | + <script src="http://code.jquery.com/jquery-2.1.4.min.js"></script> |
| 8 | + <link href="http://cdnjs.cloudflare.com/ajax/libs/select2/4.0.0/css/select2.min.css" rel="stylesheet"> |
| 9 | + <script src="http://cdnjs.cloudflare.com/ajax/libs/select2/4.0.0/js/select2.min.js"></script> |
| 10 | + <style> |
| 11 | + select { |
| 12 | + min-width: 300px; |
| 13 | + } |
| 14 | + </style> |
| 15 | + </head> |
| 16 | + <body> |
| 17 | + |
| 18 | + <div id="el"> |
| 19 | + <p>Selected: {{selected}}</p> |
| 20 | + <select2 |
| 21 | + :options="options" |
| 22 | + placeholder="select one" |
| 23 | + v-model="selected"> |
| 24 | + </select2> |
| 25 | + </div> |
| 26 | + |
| 27 | + <script type="x/template" id="select2-template"> |
| 28 | + <select> |
| 29 | + <option v-if="placeholder"></option> |
| 30 | + <slot></slot> |
| 31 | + </select> |
| 32 | + </script> |
| 33 | + |
| 34 | + <script> |
| 35 | + Vue.component('select2', { |
| 36 | + props: ['options', 'placeholder', 'value'], |
| 37 | + template: '#select2-template', |
| 38 | + mounted: function () { |
| 39 | + var vm = this |
| 40 | + Vue.nextTick(function () { |
| 41 | + $(vm.$el) |
| 42 | + // init select2 |
| 43 | + .select2({ |
| 44 | + data: vm.options, |
| 45 | + placeholder: vm.placeholder |
| 46 | + }) |
| 47 | + // emit event on change. |
| 48 | + .on('change', function () { |
| 49 | + vm.$emit('input', mockEvent(this.value)) |
| 50 | + }) |
| 51 | + // set initial value |
| 52 | + .select2('val', vm.value) |
| 53 | + }) |
| 54 | + }, |
| 55 | + watch: { |
| 56 | + value: function (value) { |
| 57 | + // update value |
| 58 | + $(this.$el).select2('val', value) |
| 59 | + }, |
| 60 | + options: function (options) { |
| 61 | + // update options |
| 62 | + $(this.$el).select2({ data: options }) |
| 63 | + } |
| 64 | + }, |
| 65 | + destroyed: function () { |
| 66 | + $(this.$el).off().select2('destroy') |
| 67 | + } |
| 68 | + }) |
| 69 | + |
| 70 | + // mock an event because the v-model binding expects |
| 71 | + // event.target.value |
| 72 | + function mockEvent (value) { |
| 73 | + return { |
| 74 | + target: { |
| 75 | + value: value |
| 76 | + } |
| 77 | + } |
| 78 | + } |
| 79 | + |
| 80 | + var vm = new Vue({ |
| 81 | + el: '#el', |
| 82 | + data: { |
| 83 | + selected: 0, |
| 84 | + options: [ |
| 85 | + { id: 1, text: 'Hello' }, |
| 86 | + { id: 2, text: 'World' } |
| 87 | + ] |
| 88 | + } |
| 89 | + }) |
| 90 | + </script> |
| 91 | + </body> |
| 92 | +</html> |
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