socialforge/public/javascripts/select_list_move.js

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JavaScript
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2013-08-01 10:33:49 +08:00
var NS4 = (navigator.appName == "Netscape" && parseInt(navigator.appVersion) < 5);
function addOption(theSel, theText, theValue)
{
var newOpt = new Option(theText, theValue);
var selLength = theSel.length;
theSel.options[selLength] = newOpt;
}
function swapOptions(theSel, index1, index2)
{
var text, value;
text = theSel.options[index1].text;
value = theSel.options[index1].value;
theSel.options[index1].text = theSel.options[index2].text;
theSel.options[index1].value = theSel.options[index2].value;
theSel.options[index2].text = text;
theSel.options[index2].value = value;
}
function deleteOption(theSel, theIndex)
{
var selLength = theSel.length;
if(selLength>0)
{
theSel.options[theIndex] = null;
}
}
function moveOptions(theSelFrom, theSelTo)
{
var selLength = theSelFrom.length;
var selectedText = new Array();
var selectedValues = new Array();
var selectedCount = 0;
var i;
for(i=selLength-1; i>=0; i--)
{
if(theSelFrom.options[i].selected)
{
selectedText[selectedCount] = theSelFrom.options[i].text;
selectedValues[selectedCount] = theSelFrom.options[i].value;
deleteOption(theSelFrom, i);
selectedCount++;
}
}
for(i=selectedCount-1; i>=0; i--)
{
addOption(theSelTo, selectedText[i], selectedValues[i]);
}
if(NS4) history.go(0);
}
function moveOptionUp(theSel) {
var index = theSel.selectedIndex;
if (index > 0) {
swapOptions(theSel, index-1, index);
theSel.selectedIndex = index-1;
}
}
function moveOptionDown(theSel) {
var index = theSel.selectedIndex;
if (index < theSel.length - 1) {
swapOptions(theSel, index, index+1);
theSel.selectedIndex = index+1;
}
}
// OK
function selectAllOptions(id)
{
var select = $('#'+id);/*
for (var i=0; i<select.options.length; i++) {
select.options[i].selected = true;
}*/
select.children('option').attr('selected', true);
}