回答編集履歴
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answer
CHANGED
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@@ -34,4 +34,58 @@
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34
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}
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}
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});
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```
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2017/2/28 更新
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40
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いろいろと試してみてほぼダメでした。とりあえず、<select>を子コンポーネントにして、選択時のイベントを拾い、親のsavedを更新するようにするというやり方で対応はできました。
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[検証ページ](http://codepen.io/gtk2k/pen/LWVKjj)
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```html
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<ul id=list>
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<li v-for="(sv, i) in saved">
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<select-component :selected="sv" :idx="i" />
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</li>
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<li>
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<input type="button" value="+" @click="addNewSaved">
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</li>
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</ul>
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```
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```javascript
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const selectComponent = Vue.extend({
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data: function() {
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return {
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froms: [{name:"AAA",id:"1"}, {name:"BBB",id:"2"}, {name:"CCC",id:"3"}, {name:"DDD",id:"1"}]
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}
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},
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props: [
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'idx',
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'selected'
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],
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methods: {
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updateVal: function(a, b, c) {
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var selectedItem = this.froms.filter(v => v.name === this.$el.value)[0];
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this.$parent.saved[+this.idx] = selectedItem;
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// savedが更新されているか確認
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console.log('---');
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this.$parent.saved.forEach(v => console.log(v.id, v.name));
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}
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},
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template: '<select v-model="selected.name" @change="updateVal"><option v-for="from in froms" :value="from.name">{{from.name}}</option></select>'
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});
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const list = new Vue({
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el: '#list',
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data: function() {
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return {
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saved: [{name:"BBB",id:"2"},{name:"CCC",id:"3"}]
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}
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},
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methods: {
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addNewSaved: function () {
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this.saved.push({ name:"AAA", id:"1" });
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},
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},
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components: {
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'select-component': selectComponent
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}
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});
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```
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