function selectUnselectMatchingOptions(obj,regex,which,only) {
if (window.RegExp) {
if (which == "select") {
var selected1=true;
var selected2=false;
}
else if (which == "unselect") {
var selected1=false;
var selected2=true;
}
else {
return;
}
var re = new RegExp(regex);
for (var i=0; i<obj.options.length; i++) {
if (re.test(obj.options[i].text)) {
obj.options[i].selected = selected1;
}
else {
if (only == true) {
obj.options[i].selected = selected2;
}
}
}
}
}
function selectMatchingOptions(obj,regex) {
selectUnselectMatchingOptions(obj,regex,"select",false);
}
function selectOnlyMatchingOptions(obj,regex) {
selectUnselectMatchingOptions(obj,regex,"select",true);
}
function unSelectMatchingOptions(obj,regex) {
selectUnselectMatchingOptions(obj,regex,"unselect",false);
}
function sortSelect(obj) {
var o = new Array();
if (obj.options==null) { return; }
for (var i=0; i<obj.options.length; i++) {
o[o.length] = new Option(
obj.options[i].text,
obj.options[i].value,
obj.options[i].defaultSelected,
obj.options[i].selected
);
}
if (o.length==0) { return; }
o = o.sort(
function(a,b) {
if ((a.text+"") < (b.text+"")) { return -1; }
if ((a.text+"") > (b.text+"")) { return 1; }
return 0;
}
);
for (var i=0; i<o.length; i++) {
obj.options[i] = new Option(
o[i].text,
o[i].value,
o[i].defaultSelected,
o[i].selected
);
}
}
function selectAllOptions(obj) {
for (var i=0; i<obj.options.length; i++) {
obj.options[i].selected = true;
}
}
function moveSelectedOptions(from,to) {
if (arguments.length>3) {
var regex = arguments[3];
if (regex != "") {
unSelectMatchingOptions(from,regex);
}
}
for (var i=0; i<from.options.length; i++) {
var o = from.options[i];
if (o.selected) {
to.options[to.options.length] = new Option(
o.text,
o.value,
false,
false
);
}
}
for (var i=(from.options.length-1); i>=0; i--) {
var o = from.options[i];
if (o.selected) {
from.options[i] = null;
}
}
if ((arguments.length<3) || (arguments[2]==true)) {
sortSelect(from);
sortSelect(to);
}
from.selectedIndex = -1;
to.selectedIndex = -1;
}
function copySelectedOptions(from,to) {
var options = new Object();
for (var i=0; i<to.options.length; i++) {
options[to.options[i].value] = to.options[i].text;
}
for (var i=0; i<from.options.length; i++) {
var o = from.options[i];
if (o.selected) {
if (options[o.value] == null || options[o.value] == "undefined"
|| options[o.value]!=o.text) {
to.options[to.options.length] = new Option(
o.text,
o.value,
false,
false
);
}
}
}
if ((arguments.length<3) || (arguments[2]==true)) {
sortSelect(to);
}
from.selectedIndex = -1;
to.selectedIndex = -1;
}
function moveAllOptions(from,to) {
selectAllOptions(from);
if (arguments.length==2) {
moveSelectedOptions(from,to);
}
else if (arguments.length==3) {
moveSelectedOptions(from,to,arguments[2]);
}
else if (arguments.length==4) {
moveSelectedOptions(from,to,arguments[2],arguments[3]);
}
}
function copyAllOptions(from,to) {
selectAllOptions(from);
if (arguments.length==2) {
copySelectedOptions(from,to);
}
else if (arguments.length==3) {
copySelectedOptions(from,to,arguments[2]);
}
}
function swapOptions(obj,i,j) {
var o = obj.options;
var i_selected = o[i].selected;
var j_selected = o[j].selected;
var temp = new Option(
o[i].text,
o[i].value,
o[i].defaultSelected,
o[i].selected);
var temp2= new Option(
o[j].text,
o[j].value,
o[j].defaultSelected,
o[j].selected
);
o[i] = temp2;
o[j] = temp;
o[i].selected = j_selected;
o[j].selected = i_selected;
}
function moveOptionUp(obj) {
for (i=0; i<obj.options.length; i++) {
if (obj.options[i].selected) {
if (i != 0 && !obj.options[i-1].selected) {
swapOptions(obj,i,i-1);
obj.options[i-1].selected = true;
}
}
}
}
function moveOptionDown(obj) {
for (i=obj.options.length-1; i>=0; i--) {
if (obj.options[i].selected) {
if (i != (obj.options.length-1) && ! obj.options[i+1].selected) {
swapOptions(obj,i,i+1);
obj.options[i+1].selected = true;
}
}
}
}
function removeSelectedOptions(from) {
for (var i=(from.options.length-1); i>=0; i--) {
var o=from.options[i];
if (o.selected) {
from.options[i] = null;
}
}
from.selectedIndex = -1;
}
function removeAllOptions(from) {
for (var i=(from.options.length-1); i>=0; i--) {
from.options[i] = null;
}
from.selectedIndex = -1;
}
function addOption(obj,text,value,selected) {
if (obj!=null && obj.options!=null) {
obj.options[obj.options.length] = new Option(
text,
value,
false,
selected
);
}
}