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index.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title> MergeCells By Che </title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
</head>
<link href="miniui.css" rel="stylesheet" type="text/css" />
<style>
i { color:red; }
small { color:blue; }
</style>
<body>
<div id="container" class="mini-splitter" style="width:100%;height:100%;">
<div size="50%" showCollapseButton="true">
<div id="datagrid" class="mini-datagrid" style="width:100%;height:100%;"
url="data1.txt" resultAsData="true" showPager="false">
<div property="columns">
<div field="field_0" name="field_0" headerAlign="center">A</div>
<div field="field_1" width="100" headerAlign="center">B</div>
<div field="field_2" width="100" headerAlign="center">C</div>
<div field="field_3" width="100" headerAlign="center">D</div>
</div>
</div>
</div>
<div showCollapseButton="true">
<div id="datagrid1" class="mini-datagrid" style="width:100%;height:100%;"
url="data1.txt" resultAsData="true" showPager="false">
<div property="columns">
<div field="field_0" name="field_0" headerAlign="center" >A</div>
<div field="field_1" width="100" headerAlign="center">B</div>
<div field="field_2" width="100" headerAlign="center">C</div>
<div field="field_3" width="100" headerAlign="center">D</div>
</div>
</div>
</div>
</div>
<script src="jq1.6.2.js" type="text/javascript"></script>
<script src="miniui3.6.js" type="text/javascript"></script>
<script type="text/javascript">
/**
* MergeCells base on MINIUI
* Author is Chen Hongen
**/
mini.parse();
var grid = mini.get("datagrid1");
grid.load();
var grid2 = mini.get("datagrid");
grid2.load();
grid.on("load", function(e){
mini.get("container").setHeight($(document).height());
mergeCells(e);
// 滚动条同步
$('.mini-grid-rows-view').scroll( function() {
$('.mini-grid-rows-view').scrollTop($(this).scrollTop());
$('.mini-grid-rows-view').scrollLeft($(this).scrollLeft());
});
});
// -------------------------------------------------- 带“##”方法，挪用请重写 -------------------------------------
// --------------------------------------------------- 单元格合并方法 begin -------------------------------------
var mergeCells = (function(){
var g, // ## 表格对象
g_col, // 列数
g_row; // 行数
// ## 初始值
var setGrid = function(e) {
g = e.sender;
// 列数
g_col = g.getColumns().length||g.getColumns()[0].columns.length; //
// 行数
g_row = e.data.length;
};
// ## 根据坐标(x,y)获取对应值,从0开始
var getCellVal = function(y, x) {
return g.getRow(y)["field_"+(x)];
};
// ## 根据json数组合并单元格
var mergeCell = function(arr) {
g.mergeCells(arr);
}
// 对角线方向[初始列标，初始行标，截止列标，截止行标，合并行数，合并列数]
var oppositeVal = function(colIndex, rowIndex, i, j, rowSpan, colSpan) {
var merge = {
colSpan: colSpan,
rowSpan: rowSpan,
columnIndex: colIndex,
rowIndex: rowIndex
};
// 行的各列值相等，则行扩展
var isX = true;
// 行范围控制
if(j+1 > g_row-1) {
isX = false;
} else {
for(var m=colIndex; m < i; m++) {
if(getCellVal(j+1, m) != getCellVal(j, i)) {
isX = false;
break;
}
}
}
if(isX) {
merge.rowSpan = rowSpan+1;
}
// 列的各行值相等，则列扩展
var isY = true;
// 列范围控制
if(i+1 > g_col-1) {
isY = false;
} else {
for(var n=rowIndex; n < j; n++) {
if(getCellVal(n, i+1) != getCellVal(j, i)) {
//return merge;
isY = false;
break;
}
}
}
if(isY) {
merge.colSpan = colSpan+1;
}
// 行列值存在不等情况 or 对角线值不等 返回
if(!(isX && isY) || getCellVal(j+1, i+1) != getCellVal(j, i)) {
return merge;
}
// 满足条件则：递归
return oppositeVal(colIndex, rowIndex, i+1, j+1, merge.rowSpan, merge.colSpan);
}
// 行方向（即y轴）
function rowVal(i, j, rowSpan) {
var merge = {
colSpan: 1,
rowSpan: rowSpan,
columnIndex: i
};
// 范围控制
if(j+1>g_row-1) {
return merge;
}
// 行值判断
if(getCellVal(j+1, i) != getCellVal(j, i)) {
return merge;
}
// 满足2者：递归
return rowVal(i, j+1, merge.rowSpan+1);
}
// 列方向（即x轴）
function colVal(i, j, colSpan) {
var merge = {
colSpan: colSpan,
rowSpan: 1,
rowIndex: j
};
// 范围控制
if(i+1>g_col-1) {
return merge;
}
// 列值判断
if(getCellVal(j, i+1) != getCellVal(j, i)) {
return merge;
}
// 满足2者：递归
return colVal(i+1, j, merge.colSpan+1);
}
return function() {
var merges = [],
mergesOppo = [];
setGrid([].shift.call(arguments));
for(var i=0; i<g_col; i++) { // 列循环
for(var j=0; j<g_row; j++) { // 行循环
var temp = getCellVal(j, i), // curr_val
xVal = i+1<g_col?getCellVal(j, i+1):-1, // next_col
yVal = j+1<g_row?getCellVal(j+1, i):-1, // next_row
oVal = i+1<g_col && j+1<g_row?getCellVal(j+1, i+1):-1; // next_opp
//loVal = i-1<0||j+1>=g_col?-1:getCellVal(j+1, i-1); // last_opp
//console.log(temp +"-"+ xVal +"-"+ yVal +"-"+ oVal);
// 对角线模式
if(temp == yVal && temp == xVal && temp == oVal) {
var merge = oppositeVal(i, j, i+1, j+1, 2, 2);
// x,y方向同时推进
//i = i+merge.colSpan-1;
j = j+merge.rowSpan-1;
// 最新的插入到最前
mergesOppo.splice(0, 0, merge);
// 行模式(┗ 阶梯模式：列合并行不合)
} else if(temp == yVal) {
//alert(1);
var tVal = j-1<0?-1:getCellVal(j-1, i); // last_row
if(tVal != temp) {
var merge = rowVal(i, j+1, 2);
merge.rowIndex = j;
merges.splice(0, 0, merge);
}
// 列模式( ┓阶梯模式：行合并列不合)
} else if(temp == xVal) {
//alert(2);
var lVal = i-1<0?-1:getCellVal(j, i-1); // last_col
if(temp != oVal && temp != yVal && temp != lVal) {
var merge = colVal(i+1, j, 2);
merge.columnIndex = i;
merges.splice(0, 0, merge);
}
}
}
}
//console.log(mini.encode(merges.concat(mergesOppo)));
mergeCell(merges.concat(mergesOppo));
};
})();
// --------------------------------------------------- 单元格合并方法 end-------------------------------------
</script>
</body>
</html>