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var categories;
/**
* Task view table sorter
* Written by Mathew McBride <matt@mcbridematt.dhs.org>
* Copyright 2009 The Citadel Team
* Licensed under the GPL V3
*/
function gatherCategoriesFromTable() {
var tbody = document.getElementById("taskview");
var childNodes = tbody.childNodes;
for (i=0; i<=childNodes.length; i++) {
var child = childNodes[i]; // Should be TR
if (child != undefined && child.nodeName == "TR") {
var childTds = child.getElementsByTagName("TD");
if (childTds.length == 4) {
var categoryTd = childTds[3];
if (categoryTd != undefined) {
// Get text child
if (categoryTd.childNodes.length > 0 &&
categoryTd.childNodes[0].nodeType == 3) {
categories[categoryTd.childNodes[0].nodeValue]
= categoryTd.childNodes[0].nodeValue;
}
}
}
}
}
}
function addCategoriesToSelector() {
var selector = document.getElementById("selectcategory");
for (description in categories) {
var newOptionElement = document.createElement("option");
newOptionElement.setAttribute("value", categories[description]);
var text = document.createTextNode(categories[description]);
newOptionElement.appendChild(text);
selector.appendChild(newOptionElement);
}
}
function filterCategories(event) {
hideAllExistingRows();
var selector = document.getElementById("selectcategory");
var selected = selector.selectedIndex;
var selectedCategory = selector.options[selected];
var tbody = document.getElementById("taskview");
var cat = selectedCategory.getAttribute("value");
var nodesToUnhide = new Array();
var curIndex = 0;
// Hunt down all the rows with this category using XPath
if (document.evaluate) { // Only if we can do so, of course
var debugText = "";
var toEvaluate = null;
if (cat != 'showall') {
toEvaluate = "//tr[td='"+cat+"']";
} else {
toEvaluate = "//tr[td]";
}
var trNodes = document.evaluate(toEvaluate,
document,
null,
XPathResult.ANY_TYPE,
null);
var trNode = trNodes.iterateNext();
while(trNode) {
debugText += "<br>"+trNode.nodeName;
nodesToUnhide[curIndex++] = trNode;
trNode = trNodes.iterateNext();
}
}
for (i=0;i<curIndex;i++) {
nodesToUnhide[i].style.display = "table-row";
if (((i-1) % 2) == 0) {
nodesToUnhide[i].setAttribute("class","table-alt-row");
}
}
}
function hideAllExistingRows() {
var nodes = new Array();
var curIndex = 0;
if (document.evaluate) { // Only if we can do so, of course
var debugText = "";
var toEvaluate = "//tr/td";
var tdNodes = document.evaluate(toEvaluate,
document,
null,
XPathResult.ANY_TYPE,
null);
var tdNode = tdNodes.iterateNext();
while(tdNode) {
// Get parent
var parent = tdNode.parentNode;
nodes[curIndex++] = parent;
tdNode = tdNodes.iterateNext();
}
}
for(i=0;i<curIndex;i++) {
nodes[i].style.display = "none";
nodes[i].removeAttribute("class");
}
}
function taskViewActivate(event ) {
// Do not run if not tasks, do not run without XPath3
if (document.getElementById("taskview") != null && document.evaluate != null) {
// var count = countRowsInTaskView();
categories = new Object();
gatherCategoriesFromTable();
addCategoriesToSelector();
$('selectcategory').observe('change', filterCategories);
filterCategories(null); // color the rows first
}
}
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