1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
<template>
<section class="todoapp">
<header class="header">
<h1>Todos</h1>
<input type="text" class="new-todo" autofocus autocomplete="off" placeholder="What needs to be done?" v-model="newTodo" @keyup.enter="addTodo" />
</header>
<section class="main" v-show="todos.length" v-cloak>
<input type="checkbox" class="toggle-all" v-model="allDone">
<ul class="todo-list">
<li class="todo" v-for="todo in filteredTodos" :class="{completed : todo.completed, editing : todo === editing }">
<div class="view">
<input type="checkbox" v-model="todo.completed" class="toggle">
<label @dblclick="editTodo(todo)">{{ todo.title }}</label>
<button class="destroy" @click.prevent="deleteTodo(todo)"></button>
</div>
<input type="text" class="edit" v-model="todo.title" @keyup.enter="doneEdit" @blur="doneEdit" v-todoFocus="todo === editing"></input>
</li>
</ul>
</section>
<footer class="footer" v-show="todos.length > 0">
<span class="todo-count">
<strong>{{ remaining }}</strong> {{ remaining | pluralize }} left
</span>
<ul class="filters">
<li><a href="#/all" :class="{selected: filter == 'all'}" @click="filter = 'all'">All</a></li>
<li><a href="#/active" :class="{selected: filter == 'active'}" @click="filter = 'active'">Active</a></li>
<li><a href="#/completed" :class="{selected: filter == 'completed'}" @click="filter = 'completed'">Completed</a></li>
</ul>
<button class="clear-completed" v-show="completed" @click.prevent="deleteCompleted">Clear Completed</button>
</footer>
</section>
</template>
<script>
import Vue from 'vue'
export default {
data () {
return {
todos: [],
newTodo: '',
filter: 'all',
allDone: false,
editing: null
}
},
filters: {
pluralize: function (n) {
return n === 1 ? 'item' : 'items'
}
},
directives: {
todoFocus (el, value) {
if (value) {
Vue.nextTick(_ => {
el.focus()
})
}
}
},
methods: {
addTodo () {
this.todos.push({
completed: false,
title: this.newTodo
})
this.newTodo = ''
},
deleteTodo (todo) {
this.todos = this.todos.filter(t => t !== todo)
},
deleteCompleted () {
this.todos = this.todos.filter(todo => !todo.completed)
},
editTodo (todo) {
this.editing = todo
},
doneEdit () {
this.editing = null
}
},
computed: {
remaining () {
return this.todos.filter(todo => !todo.completed).length
},
completed () {
return this.todos.filter(todo => todo.completed).length
},
filteredTodos () {
if (this.filter === 'active') {
return this.todos.filter(todo => !todo.completed)
} else if (this.filter === 'completed') {
return this.todos.filter(todo => todo.completed)
}
return this.todos
},
allDone: {
get () {
return this.remaining === 0
},
set (value) {
this.todos.forEach(todo => {
todo.completed = value
})
}
}
}
}
</script>
<style src="./todo.css"></style>
|
