80 lines
2.7 KiB
HTML
80 lines
2.7 KiB
HTML
<html>
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<head>
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<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet">
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<title>Horse-drawn Chariots</title>
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</head>
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<body>
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<div class="container">
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<h1>Chariot shopping</h1>
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<ul class="list-group">
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<!-- '.sync' ensures two-way binding between child's property and parent's one -->
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<chariot v-for="chariot in chariots" :chariot="chariot" :selected.sync="selected"></chariot>
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</ul>
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<pre>{{ $data | json }}</pre>
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</div>
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<!-- component template -->
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<template id="chariot-template">
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<li class="list-group-item">
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<h4>"{{ chariot.name }}" chariot has <strong>{{ chariot.horses }}</strong> horse(s)!</h4>
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<!-- 'disabled' attribute is applied conditionally -->
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<button @click="rideChariot(chariot)" class="btn btn-primary" :disabled="isSelectedChariot">
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{{ action }}
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</button>
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</li>
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</template>
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<!-- end component template -->
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</body>
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<script src="http://cdnjs.cloudflare.com/ajax/libs/vue/1.0.26/vue.js"></script>
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<script type="text/javascript">
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Vue.component('chariot', {
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props: ['chariot', 'selected'],
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template: "#chariot-template",
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methods: {
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rideChariot: function (chariot) {
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this.selected = chariot;
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},
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},
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computed: {
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//is true when the chariot has more horses than the selected one
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hasMoreHorses: function () {
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return this.selected.horses < this.chariot.horses
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},
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//is true when the chariot is the selected one
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isSelectedChariot: function () {
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return this.selected.name == this.chariot.name
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},
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//is true when there is no chariot selected
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noChariot: function () {
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return this.selected.name == null;
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},
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//define the action for each chariot
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action: function () {
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if (this.noChariot) {
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action = 'Pick Chariot'
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} else if (this.isSelectedChariot) {
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action = 'Riding!'
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} else if (this.hasMoreHorses) {
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action = 'Hire Horses'
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} else {
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action = 'Dismiss Horses'
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}
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return action;
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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: 'body',
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data: {
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chariots: [
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{name: "Olympus", horses: 4},
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{name: "Sagitta", horses: 3},
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{name: "Icarus", horses: 2},
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{name: "Abraxas", horses: 1},
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],
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//the currently selected 'chariot'
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selected: {}
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},
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})
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</script>
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</html> |