mirror of https://github.com/vuejs/vue.git
98 lines
2.5 KiB
JavaScript
98 lines
2.5 KiB
JavaScript
var filters = {
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all: function () { return true },
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active: function (completed) { return !completed },
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completed: function (completed) { return completed }
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}
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Vue.directive('todo-focus', function (value) {
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var el = this.el
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if (value) {
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setTimeout(function () { el.focus() }, 0)
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}
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})
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var app = new Vue({
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el: '#todoapp',
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init: function () {
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this.updateFilter()
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this.remaining = this.todos.filter(function (todo) {
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return !todo.completed
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}).length
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},
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scope: {
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todos: todoStorage.fetch(),
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updateFilter: function () {
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var filter = location.hash.slice(2)
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this.filter = (filter in filters) ? filter : 'all'
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this.todoFilter = filters[this.filter]
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},
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addTodo: function () {
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var value = this.newTodo && this.newTodo.trim()
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if (value) {
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this.todos.unshift({ title: value, completed: false })
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this.newTodo = ''
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this.remaining++
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todoStorage.save()
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}
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},
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removeTodo: function (e) {
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this.todos.remove(e.item)
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this.remaining -= e.item.completed ? 0 : 1
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todoStorage.save()
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},
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toggleTodo: function (e) {
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this.remaining += e.item.completed ? -1 : 1
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todoStorage.save()
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},
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editTodo: function (e) {
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this.beforeEditCache = e.item.title
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this.editedTodo = e.item
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},
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doneEdit: function (e) {
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if (!this.editedTodo) return
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this.editedTodo = null
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e.item.title = e.item.title.trim()
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if (!e.item.title) this.removeTodo(e)
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todoStorage.save()
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},
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cancelEdit: function (e) {
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this.editedTodo = null
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e.item.title = this.beforeEditCache
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},
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removeCompleted: function () {
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this.todos.remove(function (todo) {
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return todo.completed
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})
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todoStorage.save()
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},
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allDone: {
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$get: function () {
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return this.remaining === 0
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},
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$set: function (value) {
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this.todos.forEach(function (todo) {
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todo.completed = value
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})
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this.remaining = value ? 0 : this.todos.length
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todoStorage.save()
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}
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}
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}
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})
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window.addEventListener('hashchange', function () {
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app.updateFilter()
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}) |