import win.ui;
/*DSG{{*/
var winform = win.form(text="控件 reduce 方法实现字符动画";right=759;bottom=469;bgcolor=0xFFFFFF)
winform.add(
button={cls="button";text="显示动画";left=49;top=191;right=208;bottom=230;z=2};
static={cls="static";left=47;top=66;right=700;bottom=152;transparent=1;z=1}
)
/*}}*/
winform.show();
import web.form;
var wb = web.form(winform.static)
wb.html = /**
Advanced Application Rapid Development Studio 桌面软件快速开发工具
**/
winform.button.oncommand = function(id,event){
/*
窗口以及所有控件都支持使用 reduce 方法创建动画，
将 disabledText 属性 赋值为字符数组所创建的动画内部就是调用控件的 reduce 方法。
*/
winform.static.reduce(
[
'Advanced Application Rapid Development Studio',
'Advanced Application Rapid Development Studio',
'Advanced Application Rapid Development Studio',
'Advanced Application Rapid Development Studio',
'Advanc Applicat Rapi Developm Studio',
'Adva Appli Rap Devel Studio',
'Ad App Ra Studio',
'A A R Studio',
'AARD io',
'aardio'
],
function(value,index,length,currentTime){
if(value){
wb.body.innerHTML = value;
/*
value 当前数组元素值
index 当前数组索引
length 数组总长度
currentTime 本轮动画已持续的毫秒数
*/
var duration = 2000;
var x = currentTime/duration;
var change = 1+length*(x * x * x * x);
var delay = (duration / length) / change;
return delay; //返回当前帧延时间隔
}
//动画结束时参数 value 为 null，如果返回非零数值则重校开始动画（currentTime 重置为 0）
//return 1;
}
)
}
win.loopMessage();