テーブル行の各セルにドロップダウンリストがあります。ここで必要なのは、追加ボタンを押して、特定のセルにドロップダウンリストを動的に追加することです。これに役立つコードスニペットはありますか？ありがとうございました。以下はコードです。関数addSubRow2を試しましたが、これは非常に静的で、各コンボボックスの横にテキストボックスも必要であり、後で検証してphpページに送信するときに識別できるように、それぞれに一意のIDを指定する方法があるため、先に進むことができません。
<html>
<head>
<script language="javascript">
function addRow(tableID) {
var table = document.getElementById(tableID);
var rowCount = table.rows.length;
var row = table.insertRow(rowCount);
var colCount = table.rows[0].cells.length;
for(var i=0; i<colCount; i++) {
var newcell = row.insertCell(i);
newcell.innerHTML = table.rows[1].cells[i].innerHTML;
newcell.innerHTML = newcell.innerHTML +"<br> TEST";
//alert(newcell.childNodes[2].type);
/*switch(newcell.childNodes[0].type) {
case "text":
newcell.childNodes[0].value = "";
newcell.childNodes[0].id = "input" + rowCount;
break;
case "checkbox":
newcell.childNodes[0].checked = false;
newcell.childNodes[0].id = "checkbox" + rowCount;
break;
case "select-one":
newcell.childNodes[1].selectedIndex = 0;
newcell.childNodes[1].id = "col_" + rowCount+"_2";
break;
}*/
/*if(newcell.childNodes[0].type=="button")
{
alert("TEST");
newcell.childNodes[0].id=rowCount;
}*/
}
/*var table = document.getElementById(tableID);
var rows = table.getElementsByTagName('tr');
for (var i = 0, row; row = table.rows[i]; i++) {
row.id="row"+i;
row.name="row"+i;
var rowName = "row"+i;
//iterate through rows
//rows would be accessed using the "row" variable assigned in the for loop
for (var j = 0, col; col = row.cells[j]; j++) {
//iterate through columns
//columns would be accessed using the "col" variable assigned in the for loop
col.id="col_"+i+"_"+j;
col.name="col_"+i+"_"+j;
var cels = rows[i].getElementsByTagName('td')[j];
var realKids = 0,count = 0;
kids = cels.childNodes.length;
while(count < kids){
if(cels.childNodes[i].nodeType != 3){
realKids++;
}
count++;
}
///alert("I : "+i+" "+"J : "+j+" "+"realKids :"+cels.childElementCount);
//alert();
for(var k=0 ; k<cels.childElementCount ; k++)
{
alert("J :"+j+" "+"K :"+k+" "+cels.childNodes[k].type);
}
}
}*/
}
function addSubRow2(cell){
var dropdown = "<SELECT class=\"select\" name=\"country\">\n" +
"<OPTION value=\"1\">Serial 1<\/OPTION>\n" +
"<OPTION value=\"2\">Serial 2<\/OPTION>\n" +
"<OPTION value=\"3\">Serial 3<\/OPTION>\n" +
"<OPTION value=\"4\">Serial 4<\/OPTION>" +
"<OPTION value=\"5\">Serial 5<\/OPTION>" +
"<\/SELECT>";
//var dropdown = document.getElementById("dataTable").rows[0].cells[2].childNodes[1].cloneNode(true);
cell.innerHTML += "<br\/ >" + dropdown;
}
/*alert("COLD ID : "+colID);
var tdID = document.getElementById(colID);
var table = document.getElementById(tableID);
var new_comboBox = table.rows[0].cells[2].childNodes[2].cloneNode(true);
tdID.appendChild(new_comboBox);*/
function deleteRow(tableID) {
try {
var table = document.getElementById(tableID);
var rowCount = table.rows.length;
for(var i=0; i<rowCount; i++) {
var row = table.rows[i];
var chkbox = row.cells[0].childNodes[0];
if(null != chkbox && true == chkbox.checked) {
if(rowCount <= 1) {
alert("Cannot delete all the rows.");
break;
}
table.deleteRow(i);
rowCount--;
i--;
}
}
var table = document.getElementById(tableID);
for (var i = 0, row; row = table.rows[i]; i++) {
row.id="row"+i;
//iterate through rows
//rows would be accessed using the "row" variable assigned in the for loop
for (var j = 0, col; col = row.cells[j]; j++) {
//iterate through columns
//columns would be accessed using the "col" variable assigned in the for loop
//alert("J : "+j);
col.id="col"+i;
if(j==0)
{
}
else if(j==1)
{
}
}
}
}catch(e) {
alert(e);
}
}
</script>
</head>
<body>
Begin Location : <select class='select' id="beginLocation" name="beginLocation">
<option value="1">Loc 1</option>
<option value="2">Loc 2</option>
<option value="3">Loc 3</option>
<option value="4">Loc 4</option>
<option value="5">Loc 5</option>
</select>
<p type="text" class=error id='beginLocation_Error'>
<br\>
<input type="button" value="Add Row" onclick="addRow('dataTable')" />
<input type="button" value="Delete Row" onclick="deleteRow('dataTable')" />
<table id="dataTable" width="350px" border="1">
<tr>
<th></th>
<th>Client</th>
<th>Location</th>
<th>Serial</th>
</tr>
<tr>
<td id="col_0_0"><input type="checkbox" name="chk"/></td>
<td id="col_0_1">
<select class='select' id="client1" name="client1">
<option value="1">Client 1</option>
<option value="2">Client 2</option>
<option value="3">Client 3</option>
<option value="4">Client 4</option>
<option value="5">Client 5</option>
</select><p type="text" class=error id='client_0_Error'>
</td>
<td id="col_0_1">
<select class='select' id="location1" name="location1">
<option value="1">Loc 1</option>
<option value="2">Loc 2</option>
<option value="3">Loc 3</option>
<option value="4">Loc 4</option>
<option value="5">Loc 5</option>
</select>
<p type="text" class=error id='beginLocation_Error'>
</td>
<td id="col_0_3">
<input type="button" value="Add Serial" onclick="addSubRow2(this.parentNode);" />
<br\>
<select class='select' id="serial_0_1" name="serial_0_1">
<option value="1">Serial 1</option>
<option value="2">Serial 2</option>
<option value="3">Serial 3</option>
<option value="4">Serial 4</option>
<option value="5">Serial 5</option>
</select><input type="text" name=txtLoc" id="txtLoc><p type="text" class=error id='serial_0_1_Error'>
</td>
</tr>
</table>
</body>
</html>