Vue

by arzo

HTML

<div id="app">
  <h2>Todos:</h2>
  <select multiple v-model="selectedUnis">
    <option v-for="(uni, uniName) in universe" @click="refresh">{{uniName}}</option>
  </select>
  <ol v-for="(todos, idx) in universe" v-if="selectedUnis.indexOf(idx)!==-1">
    <li v-for="todo in todos">
      <label>
        <input type="checkbox"
          v-on:change="toggle(todo)"
          v-bind:checked="todo.done">

        <del v-if="todo.done">
          {{ todo.text }}
        </del>
        <span v-else>
          {{ todo.text }}
        </span>
        <div v-for="m in todo.meta">
          {{m}}
        </div>
        
        <button @click="add(todo)">+</button>
      </label>
    </li>
  </ol>
</div>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#app {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  transition: all 0.2s;
}

li {
  margin: 8px 0;
}

h2 {
  font-weight: bold;
  margin-bottom: 15px;
}

del {
  color: rgba(0, 0, 0, 0.3);
}

Vue

new Vue({
  el: "#app",
  data: {
  	selectedUnis: [],
    /*
    universe2: {
    	'todos': [
        { text: "Learn JavaScript", done: false },
        { text: "Learn Vue", done: false },
        { text: "Play around in JSFiddle", done: true },
        { text: "Build something awesome", done: true }
    	],
     	'subverse': [
      	{text: 'subvrse1', done: 0},
      	{text: 'subvrse2', done: 1}
      ]
    }
    */
  },
  methods: {
  	toggle: function(todo){
    	todo.done = !todo.done
    },
    add(todo) {
    	Vue.set(todo, 'meta', todo.meta || [])
    	todo.meta.push({name: "123"})
    },
    refresh(idx) {
    	Vue.set(this, 'universe', todo.universe || {})
    }
  },
  computed: {
  	universe() {
    	return {
        'todos': [
          { text: "Learn JavaScript", done: false },
          { text: "Learn Vue", done: false },
          { text: "Play around in JSFiddle", done: true },
          { text: "Build something awesome", done: true }
        ],
        'subverse': [
          {text: 'subvrse1', done: 0},
          {text: 'subvrse2', done: 1}
        ]
    	}
  	}
  }
})