//全局变量
var inputFocus;//该变量记录当前焦点的input
var bKeyDown=false;//记录键盘被按下的状态，当有键盘按下时其值为true function setRowClass(obj,className){
obj.className=className;
var oldClass,toClass;
if(className=="tableData") {oldClass="inputTableDataHit";toClass="inputTableData";}
if(className=="tableDataHit") {oldClass="inputTableData";toClass="inputTableDataHit";}
var objsInput=obj.all;
for(var i=0;i<objsInput.length;i++)
if(objsInput[i].tagName=="INPUT")if(objsInput[i].className==oldClass)objsInput[i].className=toClass;
} function lightonRow(obj){
if(obj.tagName!="TR")return; //将所有未被选中的行取消高亮度现实
var tableOnlineEdit=obj.parentElement;
while(tableOnlineEdit.tagName!="TABLE")tableOnlineEdit=tableOnlineEdit.parentElement;
var objsCheckBox=tableOnlineEdit.all("checkLine");
for(var iCheckBox=1;iCheckBox<objsCheckBox.length;iCheckBox++)
if(objsCheckBox[iCheckBox].checked==false) setRowClass(tableOnlineEdit.rows[iCheckBox+1],"tableData"); //当前点击行高亮度显示
setRowClass(obj,"tableDataHit");
}
//得到obj的上级元素TagName
function getUpperObj(obj,TagName){
var strTagName=TagName.toUpperCase();
var objUpper=obj.parentElement;
while(objUpper){
if(objUpper.tagName==strTagName) break;
objUpper=objUpper.parentElement;
}
return objUpper;
}
function getPosition(obj,pos){
var t=eval("obj."+pos);
while(obj=obj.offsetParent){
t+=eval("obj."+pos);
}
return t;
}
function showInputSelect(obj,objShow){
inputFocus=obj;//记录当前焦点input至全局变量
objShow.style.top =getPosition(obj,"offsetTop")+obj.offsetHeight+2;
objShow.style.left=getPosition(obj,"offsetLeft");
objShow.style.width=obj.offsetWidth;
objShow.value=obj.value;
objShow.style.display="block";
} function setInputFromSelect(objTo,objShow){
objTo.value=objShow.options[objShow.selectedIndex].value;
//objShow.style.display="none";
} function hideInput(obj){
obj.style.display="none";
} function clearRow(objTable){
var tbodyOnlineEdit=objTable.getElementsByTagName("TBODY")[0];
for (var i=tbodyOnlineEdit.children.length-1;i>=0;i--)
tbodyOnlineEdit.deleteRow(i);
} function deleteRow(objTable){
var tbodyOnlineEdit=objTable.getElementsByTagName("TBODY")[0];
for (var i=tbodyOnlineEdit.children.length-1; i>=0 ; i-- )
if (tbodyOnlineEdit.children[i].firstChild.firstChild.checked)
tbodyOnlineEdit.deleteRow(i);
} function addRow(objTable){
var tbodyOnlineEdit=objTable.getElementsByTagName("TBODY")[0];
var theadOnlineEdit=objTable.getElementsByTagName("THEAD")[0];
var elm = theadOnlineEdit.lastChild.cloneNode(true);
elm.style.display="";
tbodyOnlineEdit.insertBefore(elm);
} //将指定数据行的objRow的输入域strName设置为strValue
function setInputValue(objRow,strName,strValue){
var objs=objRow.all;
for(var i=0;i<objs.length;i++){
if(objs[i].name==strName)objs[i].value=strValue;
}
} //添加一个实例数据行
function addInstanceRow(objTable,Names,Values){
var tbodyOnlineEdit=objTable.getElementsByTagName("TBODY")[0];
var theadOnlineEdit=objTable.getElementsByTagName("THEAD")[0];
var elm = theadOnlineEdit.lastChild.cloneNode(true)
elm.style.display="";
for(var i=0;i<Names.length;i++)
setInputValue(elm,Names[i],Values[i]);
tbodyOnlineEdit.insertBefore(elm);
} //将全部复选框设为指定值
function setOnlineEditCheckBox(obj,value){
var tbodyOnlineEdit=obj.getElementsByTagName("TBODY")[0];
for (var i=tbodyOnlineEdit.children.length-1; i>=0 ; i-- )
tbodyOnlineEdit.children[i].firstChild.firstChild.checked=value;
} //为动态表格增加键盘导航功能,要使用该功能请在表格定义中增加事件处理onKeyDown="navigateKeys()" onKeyUp="setKeyDown(false)"
//有一点点问题，当按下"->"跳转到下一输入域时，光标显示在第一个字符之后
//建议仍然使用Tab键跳转
function navigateKeys(){
if(bKeyDown) return;
bKeyDown=true;
var elm=event.srcElement;
if(elm.tagName!="INPUT") return;//默认只对INPUT进行导航，可自行设定 var objTD=elm.parentElement;
var objTR=objTD.parentElement;
var objTBODY=objTR.parentElement.parentElement;
var objTable=objTBODY.parentElement; var nRow=objTR.rowIndex;
var nCell=objTD.cellIndex; var nKeyCode=event.keyCode;
switch(nKeyCode){
case 37://<-
if(getCursorPosition(elm)>0)return;
nCell--;
if(nCell==0){
nRow--;//跳转到上一行
nCell=objTR.cells.length-1;//最后一列
}
break;
case 38://^
nRow--;
break;
case 39://->
if(getCursorPosition(elm)<elm.value.length)return;
nCell++;
if(nCell==objTR.cells.length){
nRow++;//跳转到下一行首位置
nCell=1;//第一列
}
break;
case 40://\ 关键词：JavaScript完成在线编辑表格 |