javascript之dhDataGridVer2.0.0代码_表单特效

针对dhDataGrid的前一版本Ver1.0.0而做的更新！

1、标题栏、左边边栏固定方式更新，取消expression方式；

2、排序方式更新，同时支持数字、字符、日期、数字字符混合、中文汉字的排序；

3、支持换肤，您可以自己定制该控件样式；

4、预留[双击]、[右键]功能；

5、支持IE、FF；

CSS：


/*dhdatagrid 大块样式*/
#dhdatagrid {position:relative;width:500px;height:200px;background:white;margin:0px;padding:0px;overflow:hidden;border:1px inset;-moz-user-select:none;}
/*dhdatagrid 表格全局样式*/
#dhdatagrid table {table-layout:fixed;margin:0px;}
#dhdatagrid table td {height:18px;cursor:default;font-size:12px;font-family:verdana;overflow:hidden;white-space:nowrap;text-indent:2px;border-right:1px solid buttonface;border-bottom:1px solid buttonface;}
#dhdatagrid table td .arrow {font-size:8px;color:#808080;}
#dhdatagrid table .lastdata {border-right:none;}
#dhdatagrid table .column {width:120px;cursor:default;background:buttonface;border-top:1px solid #fff;border-right:1px solid #404040;border-bottom:1px solid #404040;border-left:1px solid #fff;}
#dhdatagrid table .over {width:120px;cursor:default;background:buttonface;border-top:1px solid #fff;border-right:1px solid #404040;border-bottom:1px solid #404040;border-left:1px solid #fff;}
#dhdatagrid table .sortdown {width:120px;cursor:default;background:buttonface;border-right:1px solid #ffffff;border-bottom:1px solid #ffffff;border-left:1px solid #404040;border-top:1px solid #404040;position:relative;left:1px;}
#dhdatagrid table .dataover {background:#FAFAFA;}
#dhdatagrid table .firstcolumn {width:30px;text-indent:0px;text-align:center;background:buttonface;border-top:1px solid #fff;border-right:1px solid #404040;border-bottom:1px solid #404040;border-left:1px solid #fff;}
#dhdatagrid table .lastcolumn {background:buttonface;border-top:1px solid #fff;border-right:1px solid #404040;border-bottom:1px solid #404040;border-left:1px solid #fff;}
/*dhdatagrid 选定行样式*/
#dhdatagrid table .selectedrow {background:highlight;color:white;}
/*dhdatagrid 表头样式*/
#dhdatagrid #titlecolumn {width:100%;position:absolute;top:0px;left:0px;z-index:3;}
/*dhdatagrid 左边栏样式*/
#dhdatagrid #slidecolumn {width:30px;position:absolute;top:0px;left:0px;z-index:2;}
#dhdatagrid #slidecolumn td {width:30px;text-indent:0px;text-align:center;background:buttonface;border-top:1px solid #fff;border-right:1px solid #404040;border-bottom:1px solid #404040;border-left:1px solid #fff;}
/*dhdatagrid 内容表体样式*/
#dhdatagrid #datacolumn {width:100%;position:absolute;top:0px;left:0px;}
/*dhdatagrid 原点样式*/
#dhdatagrid #zero {width:30px;height:18px;margin:0px;padding:0px;position:absolute;top:0px;left:0px;z-index:10;background:buttonface;border-top:1px solid #fff;border-right:1px solid #404040;border-bottom:1px solid #404040;border-left:1px solid #fff;text-align:center;font-size:10px;color:#A19F92;}


JS：



function dhdatagrid(){
//author:dh20156;
this.callname = "dhdg";
this.width = 500;
this.height = 200;
this.rid = "dhdatagrid";
this.columns = [];
this.data = [];
this.dblclick_fun = function(){}
this.contextmenu_fun = function(){}
this.parentNode = document.body;

var dh = this;
var framediv = null;
var zerobj = null;
var leftobj = null;
var titleobj = null;
var dataobj = null;
var hbar = null;
var vbar = null;
var bgbar = null;

//改变列宽初始位置
var ml = 0;
//改变列宽对象初始宽度
var ow = 0;
//改变列宽对象
var tdobj = null;
//当前选定行索引
var nowrow = null;
//是否更改垂直滚动条位置
var changeposv = true;

this.init = function(){
//init the data 初始数据
var dgc = "";
if(this.columns.length>0){
dgc = " ";
for(var cc=0;cc dgc += ""+this.columns[cc]+"";
}
dgc += " ";
}

var dgs = "";
var dgd = "";
if(this.data.length>0){
//第一列
dgs = " ";
for(var r=0;r dgs += ""+(r+1)+"";
dgd += " ";
for(var c=0;c dgd += ""+this.data[r][c]+"";
}
dgd += " ";
}
if(dgc==""){
dgc = " ";
for(var dc=0;dc dgc += "Expr"+(dc+1)+"";
}
dgc += " ";
}
}

//dhdatagrid frame 框架
var dgframe = document.createElement("DIV");
dgframe.id = this.rid;
dgframe.onmousedown = function(e){e=e||window.event;getrow(e);}
dgframe.onmousemove = function(e){e=e||window.event;rsc_m(e);}
if(document.attachEvent){
document.attachEvent("onmouseup",rsc_u);
}else{
document.addEventListener("mouseup",rsc_u,false);
}
dgframe.oncontextmenu = function(){return false}
dgframe.onselectstart = function(){return false}
ae(dgframe);

//dhdatagrid zero point 零点
var dgzero = "

"

//dhdatagrid slidecolumn 第一列
var dgslide = ""+dgs+"";

//dhdatagrid column 标题栏
var dgcolumn = ""+dgc+"";

//dhdatagrid data 数据
var dgdata = ""+dgc+dgd+"";

//dhdatagrid hbar 水平滚动条
var dghbar = document.createElement("DIV");
dghbar.id = "hbar";
dghbar.style.position = "absolute";
dghbar.style.width = "100%";
dghbar.style.height = "17px";
dghbar.style.top = this.height-17;
dghbar.style.overflowX = "auto";
dghbar.style.zIndex = "10";
dghbar.onscroll = function(){scrh();}
dghbar.innerHTML = "

";

//dhdatagrid vbar 垂直滚动条
var dgvbar = document.createElement("DIV");
dgvbar.id = "vbar";
dgvbar.style.position = "absolute";
dgvbar.style.width = "17px";
dgvbar.style.height = "100%";
dgvbar.style.left = this.width-17;
dgvbar.style.overflowY = "auto";
dgvbar.style.zIndex = "10";
dgvbar.onscroll = function(){scrv();}
dgvbar.innerHTML = "

";

//dhdatagrid bgbar 滚动条背景
var dgbgbar = document.createElement("DIV");
dgbgbar.id = "bgbar";
dgbgbar.style.background = "buttonface";
dgbgbar.style.position = "absolute";
dgbgbar.style.width = "100%";
dgbgbar.style.height = "17px";
dgbgbar.style.top = this.height-17;
dgbgbar.style.overflowX = "auto";
dgbgbar.style.zIndex = "9";
dgbgbar.style.display = "none";
dgbgbar.innerHTML = " ";

//appendChild
dgframe.innerHTML = dgzero+dgslide+dgcolumn+dgdata;
dgframe.appendChild(dghbar);
dgframe.appendChild(dgvbar);
dgframe.appendChild(dgbgbar);

this.parentNode.appendChild(dgframe);

if(document.attachEvent){
document.attachEvent("onkeydown",updown);
}else{
document.addEventListener("keydown",updown,false);
}

framediv = dgframe;
zerobj = document.getElementById("zero");
leftobj = document.getElementById("slidecolumn");
titleobj = document.getElementById("titlecolumn");
dataobj = document.getElementById("datacolumn");
hbar = dghbar;
vbar = dgvbar;
bgbar = dgbgbar;

var btt = getCurrentStyle(framediv,"borderTopWidth");
var btr = getCurrentStyle(framediv,"borderRightWidth");
var btb = getCurrentStyle(framediv,"borderBottomWidth");
var btl = getCurrentStyle(framediv,"borderLeftWidth");
var fh = getCurrentStyle(framediv,"height");
var zh = getCurrentStyle(zerobj,"height");
var zbt = getCurrentStyle(zerobj,"borderTopWidth");
var zbb = getCurrentStyle(zerobj,"borderBottomWidth");

if(document.all){
vbar.style.left = parseInt(vbar.style.left)-parseInt(btr)-parseInt(btl);
}else{
framediv.style.height = parseInt(fh)-parseInt(btb)-parseInt(btt);
zerobj.style.height = parseInt(zh)-parseInt(zbb)-parseInt(zbt);
}

hbar.style.top = parseInt(hbar.style.top)-parseInt(btb)-parseInt(btt);
bgbar.style.top = parseInt(bgbar.style.top)-parseInt(btb)-parseInt(btt);
}
function getCurrentStyle(oElement, sProperty) {
if(oElement.currentStyle){
return oElement.currentStyle[sProperty];
}else if(window.getComputedStyle){
sProperty = sProperty.replace(/([A-Z])/g, "-$1").toLowerCase();
return window.getComputedStyle(oElement, null).getPropertyValue(sProperty);
}else{
return null;
}
}
//设置块滚动条
this.setwh = function(){
hbar.style.display = "block";
vbar.style.display = "block";
hbar.childNodes[0].style.width = dataobj.offsetWidth;
vbar.childNodes[0].style.height = dataobj.offsetHeight;
if(hbar.childNodes[0].offsetWidth<=hbar.offsetWidth){
hbar.style.display = "none";
}else{
hbar.style.display = "block";
}
if(vbar.childNodes[0].offsetHeight<=vbar.offsetHeight){
vbar.style.display = "none";
}else{
vbar.style.display = "block";
}
if(hbar.childNodes[0].offsetWidth>hbar.offsetWidth && vbar.childNodes[0].offsetHeight>vbar.offsetHeight && changeposv){
bgbar.style.display = "block";
hbar.style.width = hbar.offsetWidth-17;
vbar.style.height = vbar.offsetHeight-17;
vbar.childNodes[0].style.height = vbar.childNodes[0].offsetHeight+17;
changeposv = false;
}
if(hbar.childNodes[0].offsetWidth<=hbar.offsetWidth+17 && !changeposv){
bgbar.style.display = "none";
hbar.childNodes[0].style.width = 0;
hbar.style.width = hbar.offsetWidth+17;
vbar.style.height = vbar.offsetHeight+17;
changeposv = true;
if(vbar.offsetHeight-dataobj.offsetHeight>dataobj.offsetTop && document.all){
leftobj.style.top = leftobj.offsetTop+17;
dataobj.style.top = dataobj.offsetTop+17;
}
}
}

//鼠标滚轮，列表滚动事件
function mwEvent(e){
e=e||window.event;
if(e.wheelDelta<=0 || e.detail>0){
vbar.scrollTop += 18;
}else {
vbar.scrollTop -= 18;
}
}
function ae(obj){
if(document.attachEvent){
obj.attachEvent("onmousewheel",mwEvent);
}else{
obj.addEventListener("DOMMouseScroll",mwEvent,false);
}
}

//滚动条事件
function scrv(){
leftobj.style.top = -(vbar.scrollTop);
dataobj.style.top = -(vbar.scrollTop);
}

function scrh(){
titleobj.style.left = -(hbar.scrollLeft);
dataobj.style.left = -(hbar.scrollLeft);
}

//选择行
function getrow(e){
e=e||window.event;
var esrcobj = e.srcElement?e.srcElement:e.target;
if(esrcobj.parentNode.tagName=="TR"){
var epobj = esrcobj.parentNode;
var eprowindex = epobj.rowIndex;
if(eprowindex!=0){
if(nowrow!=null){
dataobj.rows[nowrow].className = "";
}
dataobj.rows[eprowindex].className = "selectedrow";
nowrow = eprowindex;
}
}
}

//更改列宽
this.rsc_d = function(e,obj){
var px = document.all?e.offsetX:e.layerX-obj.offsetLeft;
if(px>obj.offsetWidth-6 && px e=e||window.event;
obj=obj||this;
ml = e.clientX;
ow = obj.offsetWidth;
tdobj = obj;
if(obj.setCapture){
obj.setCapture();
}else{
e.preventDefault();
}
}else{
if(nowrow!=null){
dataobj.rows[nowrow].className = "";
}
if(obj.getAttribute("sort")==null){
obj.setAttribute("sort",0);
}
var sort = obj.getAttribute("sort");
if(sort==1){
dgsort(obj,true);
obj.setAttribute("sort",0);
}else{
dgsort(obj,false);
obj.setAttribute("sort",1);
}
obj.className = "sortdown";
}
}
this.mouseup = function(obj){
obj.className = "over";
}
function rsc_m(e){
if(tdobj!=null){
e=e||window.event;
var newwidth = ow-(ml-e.clientX);
if(newwidth>5){
tdobj.style.width = newwidth;
dataobj.rows[0].cells[tdobj.cellIndex].style.width = newwidth;
}else{
tdobj.style.width = 5;
dataobj.rows[0].cells[tdobj.cellIndex].style.width = 5;
}
dh.setwh();
scrh();
}
}
function rsc_u(e){
if(tdobj!=null){
e=e||window.event;
var newwidth = ow-(ml-e.clientX);
if(newwidth>5){
tdobj.style.width = newwidth;
dataobj.rows[0].cells[tdobj.cellIndex].style.width = newwidth;
}else{
tdobj.style.width = 5;
dataobj.rows[0].cells[tdobj.cellIndex].style.width = 5;
}
if(tdobj.releaseCapture){
tdobj.releaseCapture();
}
ml = 0;
ow = 0;
tdobj = null;
}
dh.setwh();
scrh();
}

this.cc = function(e,obj){
var px = document.all?e.offsetX:e.layerX-obj.offsetLeft;
if(px>obj.offsetWidth-6 && px obj.style.cursor = "col-resize";
}else{
obj.style.cursor = "default";
}
}

this.over = function(obj){
obj.className = "over";
}

this.out = function(obj){
obj.className = "column";
}

this.dataover = function(obj){
if(obj.rowIndex!=nowrow){
obj.className = "dataover";
}
}

this.dataout = function(obj){
if(obj.rowIndex!=nowrow){
obj.className = "";
}
}

//键盘Up & Down事件
function updown(e){
e=e || window.event; e=e.which || e.keyCode;
var rl = dh.data.length;
switch(e){
case 38://Up;
if(nowrow!=null && nowrow>1){
vbar.scrollTop -= 18;
dataobj.rows[nowrow].className = "";
nowrow -= 1;
dataobj.rows[nowrow].className = "selectedrow";
};
break;
case 40://Down;
if(nowrow!=null && nowrow vbar.scrollTop += 18;
dataobj.rows[nowrow].className = "";
nowrow += 1;
dataobj.rows[nowrow].className = "selectedrow";
};
break;
default:break;
}
}

function dti(s){
var n = 0;
var a = s.match(/\d+/g);
for(var i=0;i if(a[i].length<2){
a[i] = "0"+a[i];
}
}
n = a.join("");
return n;
}

//排序
function dgsort(obj,asc){
var rl = dh.data.length;
var ci = obj.cellIndex;
var rowsobj = [];
for(var i=1;i rowsobj[i-1] = dataobj.childNodes[0].rows[i];
}
rowsobj.sort(function(trObj1,trObj2){
if(!isNaN(trObj1.cells[ci].innerHTML.charAt(0)) && !isNaN(trObj2.cells[ci].innerHTML.charAt(0))){
if(asc){
return dti(trObj1.cells[ci].innerHTML)-dti(trObj2.cells[ci].innerHTML);
}else{
return dti(trObj2.cells[ci].innerHTML)-dti(trObj1.cells[ci].innerHTML);
}
}else{
if(asc){
return trObj1.cells[ci].innerHTML.localeCompare(trObj2.cells[ci].innerHTML);
}else{
return trObj2.cells[ci].innerHTML.localeCompare(trObj1.cells[ci].innerHTML);
}
}
});
for(var i=0;i dataobj.childNodes[0].appendChild(rowsobj[i]);
}
for(var c=1;c obj.parentNode.cells[c].childNodes[1].innerHTML = "";
}
if(asc){
obj.childNodes[1].innerHTML = "▲";
}else{
obj.childNodes[1].innerHTML = "▼";
}
}
}

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