<!doctype html>
<html>
<head>
<meta charset="UTF-8" />
<title>Metro风兼搭瀑布流</title>
<style>
body{background:#000;}
.myMetro{position:relative;overflow:hidden;zoom:1;margin:0 auto;}
.MBox{float:left;}
.widgetBox{position:relative;overflow:hidden;width:180px;height:160px;}
.innerBox a{display:block;width:100%;height:100%;outline:none;text-decoration: none;}
</style>
<script>
/* 格子排序 */
var metro = {};
metro.init=function(wrap){
metro.gen={w:190,h:170};
metro.wrap = wrap;
metro.sizeArray= []; //格子,[1,2]就表示1X2的大格子
metro.preset();
metro.putData(wrap);
};
metro.preset = function(){
metro.nameSpace= {};
metro.maxY = -1;
metro.basePos = {x:0, y:0};
metro.memory = {flag:Infinity, x: Infinity, y:Infinity};
metro.row = document.documentElement.offsetWidth / metro.gen.w >> 0;
metro.wrap.style.width = metro.row * metro.gen.w + "px";
};
metro.resort=function(){
metro.preset();
metro.mbox = $class("MBox");
metro.sort(metro.sizeArray);
};
metro.putData = function(list){
(function setBig(){ //大格子初始化设置
var bigBox = $class("bigBox",list);
if(bigBox.length==0) return false;
var i = 0, nx, ny, bigBoxCont;
while(i < bigBox.length){
bigBoxCont = $class("innerBox",bigBox[i]);
nx = Math.ceil(bigBoxCont[0].offsetWidth / metro.gen.w); //bigBox横向占的块数
ny = Math.ceil(bigBoxCont[0].offsetHeight / metro.gen.h);
bigBox[i].style.width = nx*metro.gen.w - 10 + 'px' ;
bigBox[i].style.height = ny*metro.gen.h - 10 + 'px' ;
i++;
}
})();
metro.mbox = $class("MBox",list);
var i = 0 , nx, ny, tempSizeArray = [];
while( i < this.mbox.length){
if( $class("bigBox",this.mbox[i]).length > 0 ){
nx = Math.ceil(this.mbox[i].offsetWidth / this.gen.w);
nx = (nx > this.row) ? this.row : nx; //bigBox宽度尺寸过大
ny = Math.ceil(this.mbox[i].offsetHeight / this.gen.h);
tempSizeArray.push([nx,ny]);
}else{
tempSizeArray.push([1,1]);
}
i++;
}
this.sizeArray = this.sizeArray.concat(tempSizeArray);
metro.sort(tempSizeArray);
}
metro.sort = function(size){
var x = metro.basePos.x,
y = metro.basePos.y,
memory = metro.memory,
name;
for(var n=0; n < size.length ; n++){
if(memory.flag == 0){
x = memory.x;
y = memory.y;
}
memory.flag --;
if(x > metro.row-1){ //换行
x = 0;
y ++;
}
name = x+'_'+y; //对象属性名（反映占领的格子）
if(name in this.nameSpace) { //判断属性名是否存在
n--;
x++;
memory.flag < Infinity && memory.flag++;
continue;
}
if(size[n][0] * size[n][1] == 1){ //普通格子
metro.nameSpace[name]=[x,y]; //项值（反映坐标值）
setPos(x,y,n);
x++;
}
else{ //大格子
if(beOver(x,y,size[n])) {
if(memory.y > y){
memory.y = y;
memory.x = x;
}
if(memory.y < Infinity) memory.flag = 1;
n--;
x++;
continue;
}
metro.nameSpace[name] = [x,y];
setPos(x,y,n);
hold(x,y,size[n]);
x += size[n][0];
}
if(memory.flag == -1) memory = {flag:Infinity ,x: Infinity, y:Infinity};
metro.maxY = Math.max(metro.maxY, y + size[n][1]);
}
metro.basePos = {"x":x,"y":y}
metro.memory = memory;
metro.wrap.style.height= metro.gen.h * metro.maxY +'px';
function beOver(x,y,item){ //判断是否会重叠
var name;
if(x + item[0] > metro.row) return true; //超出显示范围
for(var k=1; k<item[1]; k++){
name=x+'_'+(y-0+k);
if(name in metro.nameSpace) return true; //左侧一列有无重叠
}
for(k=1; k<item[0]; k++){
name=(x-0+k)+'_'+y;
if(name in metro.nameSpace) return true; //上侧一行有无重叠
}
return false;
};
function hold(x,y,item){ //大格子多占的位置
for(var t=0; t < item[0]; t++) {
for(var k=0; k < item[1]; k++){
name = (x+t)+'_'+(y+k);
if(t==0 && k==0) continue;
metro.nameSpace[name] = 0; //多占的格子无坐标值
}
}
};
function setPos(x,y,n){
var left = metro.gen.w * x,
top = metro.gen.h * y;
metro.mbox[n].style.cssText = "position:absolute;left:"+ left +"px;top:" + top + "px;";
}
};
</script>
</head>
<body>
<div id="myMetro�
win8效果瀑布流.rar （1个子文件） 
win8效果瀑布流.htm 14KB资源评论
xdjtyxb2014-06-27效果可以借鉴下 用处不大 跟我的构思有出入- qq10020551282013-10-01效果很好看 不错！
pzy13292013-10-30效果是很好看，
头号大宝贝2014-04-14效果是很好看，
deliangliao2014-05-21效果可借鉴。
byxiaolin1987
- 粉丝: 2
- 资源: 6
