app/assets/javascripts/tableactions.js
function alternate(id){
if(document.getElementsByTagName){
var table = document.getElementById(id);
var rows = table.getElementsByTagName("tr");
var displayedRows = [];
index = 0;
for (i=0; i < rows.length; i++){
if (rows[i].style.display != 'none' && rows[i].id != "header"){
displayedRows[index] = rows[i];
index += 1;
}
}
for (i=0; i < displayedRows.length; i++){
if (i % 2 == 0){
displayedRows[i].className = "even";
} else {
displayedRows[i].className = "odd";
}
}
}
}
function toggleElement(elementId, linkText) {
var obj = document.getElementById(elementId);
if (obj == null) { return; }
var bExpand = obj.style.display.length == 0;
obj.style.display = (bExpand ? 'none' : '');
var objLinks = document.getElementsByName(elementId+'Link')
for (var i = 0; i < objLinks.length; i++) {
if (obj.style.display != 'none') {
objLinks[i].innerHTML = 'hide ' + linkText
}
else {
objLinks[i].innerHTML = 'show ' + linkText
}
}
}
function toggleList(elementId,listSize) {
if (listSize == 0) {return;}
for (var i = 1; i <= listSize; i++){
var obj = document.getElementById(elementId+"_"+i);
if (obj == null) { return; }
var bExpand = obj.style.display.length == 0;
obj.style.display = (bExpand ? 'none' : '');
if (obj.style.display == 'none') {
var sublistsize = 1;
while (document.getElementById(obj.id+"_"+sublistsize) != null){
sublistsize += 1;
}
sublistsize = sublistsize - 1;
if (sublistsize > 0 && document.getElementById(obj.id+"_"+sublistsize).style.display != 'none')
toggleList(obj.id,sublistsize);
}
}
var objLinks = document.getElementsByName(elementId+'Link')
for (var i = 0; i < objLinks.length; i++) {
if (obj.style.display != 'none') {
objLinks[i].innerHTML = '<img src="/assets/collapse.png">'
}
else {
objLinks[i].innerHTML = '<img src="/assets/expand.png">'
}
}
}
function toggleCourseList(elementId, child_nodes, child_size, listSize) {
var child_nodes_no = child_nodes.split(",");
var child_node_size = child_size.split(",");
for(var i=0;i<listSize;i++)
{
if(child_node_size[i]!=0)
{
toggleList(child_nodes_no[i],child_node_size[i]);
}
}
toggleList(elementId, listSize);
}