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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
<script type="text/javascript">
function moveSelectedOptions(objSourceElement, objTargetElement, toSort, notMove1, notMove2) {
var test1 = compile(notMove1);
var test2 = compile(notMove2);
moveOptions(objSourceElement, objTargetElement, toSort,
function(opt) {
return (opt.selected && !test1(opt.value) && !test2(opt.value));
}
);
}
function moveAllOptions(objSourceElement, objTargetElement, toSort, notMove1, notMove2) {
var test1 = compile(notMove1);
var test2 = compile(notMove2);
moveOptions(objSourceElement, objTargetElement, toSort,
function(opt) {
return (!test1(opt.value) && !test2(opt.value));
}
);
}
function compile(ptn) {
if (ptn != undefined) {
if (ptn == ‘‘ || !window.RegExp) {
return function(val) { return val == ptn; }
} else {
var reg = new RegExp(ptn);
return function (val) {
if (val == ‘‘) { // ignore empty option added by template
return true;
}
return reg.test(val); }
}
}
return function(val) { return false; }
}
function moveOptions(objSourceElement, objTargetElement, toSort, chooseFunc) {
var aryTempSourceOptions = new Array();
var aryTempTargetOptions = new Array();
var x = 0;
//looping through source element to find selected options
for (var i = 0; i < objSourceElement.length; i++) {
if (chooseFunc(objSourceElement.options[i])) {
//need to move this option to target element
var intTargetLen = objTargetElement.length++;
objTargetElement.options[intTargetLen].text = objSourceElement.options[i].text;
objTargetElement.options[intTargetLen].value = objSourceElement.options[i].value;
}
else {
//storing options that stay to recreate select element
var objTempValues = new Object();
objTempValues.text = objSourceElement.options[i].text;
objTempValues.value = objSourceElement.options[i].value;
aryTempSourceOptions[x] = objTempValues;
x++;
}
}
//sorting and refilling target list
for (var i = 0; i < objTargetElement.length; i++) {
var objTempValues = new Object();
objTempValues.text = objTargetElement.options[i].text;
objTempValues.value = objTargetElement.options[i].value;
aryTempTargetOptions[i] = objTempValues;
}
if (toSort) {
aryTempTargetOptions.sort(sortByText);
}
for (var i = 0; i < objTargetElement.length; i++) {
objTargetElement.options[i].text = aryTempTargetOptions[i].text;
objTargetElement.options[i].value = aryTempTargetOptions[i].value;
objTargetElement.options[i].selected = false;
}
//resetting length of source
objSourceElement.length = aryTempSourceOptions.length;
//looping through temp array to recreate source select element
for (var i = 0; i < aryTempSourceOptions.length; i++) {
objSourceElement.options[i].text = aryTempSourceOptions[i].text;
objSourceElement.options[i].value = aryTempSourceOptions[i].value;
objSourceElement.options[i].selected = false;
}
}
function sortByText(a, b) {
if (a.text < b.text) {return -1}
if (a.text > b.text) {return 1}
return 0;
}
function selectAllOptionsExceptSome(objTargetElement, type, ptn) {
var test = compile(ptn);
for (var i = 0; i < objTargetElement.length; i++) {
var opt = objTargetElement.options[i];
if ((type == ‘key‘ && !test(opt.value)) ||
(type == ‘text‘ && !test(opt.text))) {
opt.selected = true;
} else {
opt.selected = false;
}
}
return false;
}
function selectAllOptions(objTargetElement) {
for (var i = 0; i < objTargetElement.length; i++) {
if (objTargetElement.options[i].value != ‘‘) {
objTargetElement.options[i].selected = true;
}
}
return false;
}
function moveOptionUp(objTargetElement, type, ptn) {
var test = compile(ptn);
for (i=0; i<objTargetElement.length; i++) {
if (objTargetElement[i].selected) {
var v;
if (i != 0 && !objTargetElement[i-1].selected) {
if (type == ‘key‘) {
v = objTargetElement[i-1].value
}
else {
v = objTargetElement[i-1].text;
}
if (!test(v)) {
swapOptions(objTargetElement,i,i-1);
}
}
}
}
}
function moveOptionDown(objTargetElement, type, ptn) {
var test = compile(ptn);
for (i=(objTargetElement.length-1); i>= 0; i--) {
if (objTargetElement[i].selected) {
var v;
if ((i != (objTargetElement.length-1)) && !objTargetElement[i+1].selected) {
if (type == ‘key‘) {
v = objTargetElement[i].value
}
else {
v = objTargetElement[i].text;
}
if (!test(v)) {
swapOptions(objTargetElement,i,i+1);
}
}
}
}
}
function swapOptions(objTargetElement, first, second) {
var opt = objTargetElement.options;
var temp = new Option(opt[first].text, opt[first].value, opt[first].defaultSelected, opt[first].selected);
var temp2= new Option(opt[second].text, opt[second].value, opt[second].defaultSelected, opt[second].selected);
opt[first] = temp2;
opt[second] = temp;
}
</script>
</head>
<body>
<tr>
<td class="tdLabel">
</td>
<td> <mce:script type="text/javascript" src="./optiontransferselect.js" mce_src="optiontransferselect.js"></mce:script>
<table border="0">
<tr>
<td>
<label for="leftTitle">Left Title</label><br />
<select name="leftSideCartoonCharacters" size="15" id="leftSideCartoonCharacters" multiple="multiple">
<option value="headerKey">--- Please Select ---</option>
<option value=""></option>
<option value="Popeye">Popeye</option>
<option value="He-Man">He-Man</option>
<option value="Spiderman">Spiderman</option>
</select>
<input type="button"
onclick="moveOptionDown(document.getElementById(‘leftSideCartoonCharacters‘), ‘key‘, ‘headerKey‘);"
value="v"
/>
<input type="button"
onclick="moveOptionUp(document.getElementById(‘leftSideCartoonCharacters‘), ‘key‘, ‘headerKey‘);"
value="^"
/>
</td>
<td valign="middle" align="center">
<input type="button"
value="<-" onclick="moveSelectedOptions(document.getElementById(‘rightSideCartoonCharacters‘), document.getElementById(‘leftSideCartoonCharacters‘), false, ‘doubleHeaderKey‘, ‘‘);" /><br /><br />
<input type="button"
value="->" onclick="moveSelectedOptions(document.getElementById(‘leftSideCartoonCharacters‘), document.getElementById(‘rightSideCartoonCharacters‘), false, ‘headerKey‘, ‘‘);" /><br /><br />
<input type="button"
value="<<--" onclick="moveAllOptions(document.getElementById(‘rightSideCartoonCharacters‘), document.getElementById(‘leftSideCartoonCharacters‘), false, ‘doubleHeaderKey‘, ‘‘);" /><br /><br />
<input type="button"
value="-->>" onclick="moveAllOptions(document.getElementById(‘leftSideCartoonCharacters‘), document.getElementById(‘rightSideCartoonCharacters‘), false, ‘headerKey‘, ‘‘);" /><br /><br />
<input type="button"
value="<*>" onclick="selectAllOptionsExceptSome(document.getElementById(‘leftSideCartoonCharacters‘), ‘key‘, ‘headerKey‘);selectAllOptionsExceptSome(document.getElementById(‘rightSideCartoonCharacters‘), ‘key‘, ‘doubleHeaderKey‘);" /><br /><br />
</td>
<td>
<label for="rightTitle">Right Title</label><br />
<select
name="rightSideCartoonCharacters"
size="15"
multiple="multiple"
id="rightSideCartoonCharacters"
>
<option value="doubleHeaderKey">--- Please Select ---</option>
<option value=""></option>
<option value="Superman">Superman</option>
<option value="Mickey Mouse">Mickey Mouse</option>
<option value="Donald Duck">Donald Duck</option>
</select>
<input type="button"
onclick="moveOptionDown(document.getElementById(‘rightSideCartoonCharacters‘), ‘key‘, ‘doubleHeaderKey‘);"
value="v"
/>
<input type="button"
onclick="moveOptionUp(document.getElementById(‘rightSideCartoonCharacters‘), ‘key‘, ‘doubleHeaderKey‘);"
value="^"
/>
</td>
</tr>
</table>
</td>
</tr>
</body>
</html>
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原文地址：http://www.cnblogs.com/cxxjohnson/p/5022308.html
