avalon2學習教程14動畫使用
avalon2實際上沒有實現完整的動畫模塊，它只是對現有的CSS3動畫或jquery animate再包裝一層。javascript
咱們先說如何用CSS3爲avalon實現動畫效果。首先要使用avalon.effect註冊一個特效。css
avalon.effect(name, definition)
全部註冊了的特效，均可以在avalon.effects對象中找到。html
css3動畫要求咱們至少添加4個類名。這個是從angular那裏學過來的。所以如何你之前的項目是基於angular，它那些CSS動畫類能夠原封不動地搬過來用。java
avalon.effect('animate', {
enterClass: 'animate-enter',
enterActiveClass: 'animate-enter-active',
leaveClass: 'animate-leave',
leaveActiveClass: 'animate-leave-active',
})
固然，這些類名會默認幫你添加，由於它內部是這樣實現的。jquery
avalon.effect = function (name, definition) {
avalon.effects[name] = definition
if (support.css) {
if (!definition.enterClass) {
definition.enterClass = name + '-enter'
}
if (!definition.enterActiveClass) {
definition.enterActiveClass = definition.enterClass + '-active'
}
if (!definition.leaveClass) {
definition.leaveClass = name + '-leave'
}
if (!definition.leaveActiveClass) {
definition.leaveActiveClass = definition.leaveClass + '-active'
}
}
if (!definition.action) {
definition.action = 'enter'
}
}
所以你能夠簡化成這樣：css3
avalon.effect('animate', {})
註冊完，咱們就須要在樣式表中添加真正的CSS類。web
<style>
.animate-enter, .animate-leave{
width:100px;
height:100px;
background: #29b6f6;
transition: width 2s;
-moz-transition: width 2s; /* Firefox 4 */
-webkit-transition: width 2s; /* Safari 和 Chrome */
-o-transition: width 2s; /* Opera */
}
.animate-enter-active, .animate-leave{
width:300px;
}
.animate-leave-active{
width:100px;
}
</style>
咱們還得定義一個vm，裏面指明動畫的動做（默認有三種方式, enter, leave, move）及動畫結束時的回調（這是可選的）css3動畫
var vm = avalon.define({
$id: 'effect',
aaa: "test",
action: 'enter',
enterCb: function(){
avalon.log('動畫完成')
},
leaveCb: function(){
avalon.log('動畫回到原點')
}
})
而後頁面上這樣使用：dom
<div ms-controller='effect' >
<div ms-effect="{is:'animate', action:@action,onEnterDone: @enterCb,onLeaveDone: @leaveCb}">
{{@aaa}}
</div>
<button ms-click='@action = @action !== "leave" ? "leave": "enter"'
type="button">click</button>
</div>
ms-effect的值爲一個對象，其中is是必選。除了action, 還支持這麼多種回調：動畫
onEnterDone, onLeaveDone, onEnterAbort, onLeaveAbort, onBeforeEnter, onBeforeLeave
若是使用JS實現，則是這樣的：
<!DOCTYPE html>
<html>
<head>
<title>TODO supply a title</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="../dist/avalon.js"></script>
<script src="//cdn.bootcss.com/jquery/3.0.0-beta1/jquery.js"></script>
<style>
.ani{
width:100px;
height:100px;
background: #29b6f6;
}
</style>
<script>
avalon.effect('animate', {
enter: function(el, done){
$(el).animate({width: 300},1000,done)
},
leave: function(el, done){
$(el).animate({width: 100},1000,done)
}
})
var vm = avalon.define({
$id: 'effect',
aaa: "test",
action: 'enter',
enterCb: function(){
avalon.log('動畫完成')
},
leaveCb: function(){
avalon.log('動畫回到原點')
}
})
</script>
</head>
<body>
<div ms-controller='effect' >
<div class='ani' ms-effect="{is:'animate', action:@action,onEnterDone: @enterCb,onLeaveDone: @leaveCb}">
{{@aaa}}
</div>
<button ms-click='@action = @action !== "leave" ? "leave": "enter"'
type="button">click</button>
</div>
</body>
</html>
一個CSS3位置效果
<!DOCTYPE html>
<html>
<head>
<title>TODO supply a title</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="../dist/avalon.js"></script>
<script src="//cdn.bootcss.com/jquery/3.0.0-beta1/jquery.js"></script>
<style>
.ani{
width:100px;
height:100px;
background: #ff6e6e;
}
.wave-enter, .wave-leave {
-webkit-transition:all cubic-bezier(0.250, 0.460, 0.450, 0.940) 0.5s;
-moz-transition:all cubic-bezier(0.250, 0.460, 0.450, 0.940) 0.5s;
-o-transition:all cubic-bezier(0.250, 0.460, 0.450, 0.940) 0.5s;
transition:all cubic-bezier(0.250, 0.460, 0.450, 0.940) 0.5s;
}
.wave-enter {
position:absolute;
left:45%;
}
.wave-enter-active {
left:0;
}
.wave-leave {
position:absolute;
left:0;
}
.wave-leave-active {
left:45%;
}
</style>
<script>
avalon.effect('wave', {})
var vm = avalon.define({
$id: 'effect',
action: 'enter',
enterCb: function () {
avalon.log('動畫完成')
},
leaveCb: function () {
avalon.log('動畫回到原點')
}
})
</script>
</head>
<body>
<div ms-controller='effect' >
<div class='ani' ms-effect="{is:'wave', action:@action,onEnterDone: @enterCb,onLeaveDone: @leaveCb}">
<button ms-click='@action = @action !== "leave" ? "leave": "enter"'
type="button">click</button>
</div>
</div>
</body>
</html>
ms-widget+ms-for+ms-if+ms-effect的組合動畫效果！
<!DOCTYPE html>
<html>
<head>
<title>ms-if</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width">
<script src="../dist/avalon.js"></script>
<script src="//cdn.bootcss.com/jquery/3.0.0-beta1/jquery.js"></script>
<style>
.ani{
width:100px;
height:100px;
background: #ff6e6e;
}
</style>
<script >
avalon.component('ms-button', {
template: '<button type="button"><span><slot name="buttonText"></slot></span></button>',
defaults: {
buttonText: "button"
},
soleSlot: 'buttonText'
})
avalon.effect('zoom', {
enter: function (el, done) {
$(el).css({width: 0, height: 0}).animate({
width: 100, height: 100
}, 1000, done)
},
leave: function (el, done) {
$(el).animate({
width: 0, height: 0
}, 1000, done)
}
})
var vm = avalon.define({
$id: "test",
arr: [1,2,3],
aaa: 222,
toggle: true
})
</script>
</head>
<body ms-controller="test" >
<div ms-for="el in @arr">
<div class='ani'
ms-attr="{eee:el}"
ms-if="@toggle"
ms-widget='{is:"ms-button"}'
ms-effect="{is:'zoom'}">{{@aaa}}::{{el}}</div>
</div>
</body>
</html>
最後看一下ms-for與stagger的動畫效果。此次爲了與angular一次，stagger應該爲一個小數，它會讓當前元素延遲stagger秒執行。
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="../dist/avalon.js"></script>
<style>
.my-repeat-animation {
width: 400px;
height: 30px;
-webkit-animation-duration: 1s;
animation-duration: 1s;
}
.ng-enter {
-webkit-animation-name: enter_animation;
animation-name: enter_animation;
}
.ng-enter-stagger {
animation-delay:300ms;
-webkit-animation-delay:300ms;
}
.ng-leave {
-webkit-animation-name: leave_animation;
animation-name: leave_animation;
}
@keyframes enter_animation {
0% {
opacity: 0;
}
100% {
opacity: 1;
}
}
@keyframes leave_animation {
from {
opacity: 1;
}
to {
opacity: 0;
}
}
@-webkit-keyframes enter_animation {
from {
opacity: 0;
}
to {
opacity: 1;
}
}
@-webkit-keyframes leave_animation {
from {
opacity: 1;
}
to {
opacity: 0;
}
}
</style>
<script>
avalon.effect("my-repeat-animation", {
enterClass: "ng-enter",
leaveClass: "ng-leave"
})
var vm = avalon.define({
$id: "test",
array: [1, 2, 3, 4],
getBg: function() {
return '#' + Math.floor(Math.random() * 16777215).toString(16);
},
add: function() {
vm.array.push(vm.array.length + 1)
vm.array.push(vm.array.length + 1)
vm.array.push(vm.array.length + 1)
vm.array.push(vm.array.length + 1)
vm.array.push(vm.array.length + 1)
vm.array.push(vm.array.length + 1)
vm.array.push(vm.array.length + 1)
vm.array.push(vm.array.length + 1)
vm.array.push(vm.array.length + 1)
},
value: ""
})
vm.$watch("value", function(a) {
if (a) {
vm.array.removeAll(function(el) {
return el !== a
})
} else {
if(vm.array.length < 12)
vm.add()
}
})
</script>
</head>
<body ms-controller="test">
<button ms-click="@add">Add</button>
<input placeholder="只保留" ms-duplex-number="@value" />
<div class="my-repeat-animation" ms-for="item in @array"
ms-css="{background:@getBg()}"
ms-effect="{is:'my-repeat-animation',stagger:0.3}">
{{item}}
</div>
</body>
</html>
目前，avalon的ms-effect能夠與ms-visible,ms-if,ms-repeat連用。ms-effect也能夠單獨或與其餘指令使用，這時須要你指定action。
<div ms-effect="{is:"effectName", action: @action}">
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