webcit/static/table.js

   1 var categories;
   2 /**
   3  * Task view table sorter
   4  * Written by Mathew McBride <matt@mcbridematt.dhs.org>
   5  * Copyright 2009 The Citadel Team
   6  * Licensed under the GPL V3
   7  */
   8 function gatherCategoriesFromTable() {
   9         var tbody = document.getElementById("taskview");
  10         var childNodes = tbody.childNodes;
  11         for (i=0; i<=childNodes.length; i++) {
  12                 var child = childNodes[i]; // Should be TR
  13                 if (child != undefined && child.nodeName == "TR") {
  14                         var childTds = child.getElementsByTagName("TD");
  15                         if (childTds.length == 4) {
  16                         var categoryTd = childTds[3];
  17                         if (categoryTd != undefined) {
  18                                 // Get text child
  19                                 if (categoryTd.childNodes.length > 0 &&
  20                                         categoryTd.childNodes[0].nodeType == 3) {
  21                                                 categories[categoryTd.childNodes[0].nodeValue]
  22                                                         = categoryTd.childNodes[0].nodeValue;
  23                                         }
  24                         }
  25                 }
  26         }
  27 }
  28 }
  29 function addCategoriesToSelector() {
  30         var selector = document.getElementById("selectcategory");
  31         for (description in categories) {
  32                 var newOptionElement = document.createElement("option");
  33                 newOptionElement.setAttribute("value", categories[description]);
  34                 var text = document.createTextNode(categories[description]);
  35                 newOptionElement.appendChild(text);
  36                 selector.appendChild(newOptionElement);
  37         }
  38 }
  39 function filterCategories(event) {
  40         hideAllExistingRows();
  41         var selector = document.getElementById("selectcategory");
  42         var selected = selector.selectedIndex;
  43         var selectedCategory = selector.options[selected];
  44                 var tbody = document.getElementById("taskview");
  45         var cat = selectedCategory.getAttribute("value");
  46         var nodesToUnhide = new Array();
  47         var curIndex = 0;
  48         // Hunt down all the rows with this category using XPath
  49         if (document.evaluate) { // Only if we can do so, of course
  50                 var debugText = "";
  51                 var toEvaluate = null;
  52                 if (cat != 'showall') {
  53                 toEvaluate = "//tr[td='"+cat+"']";
  54                 } else {
  55                         toEvaluate = "//tr[td]";
  56                 }
  57                 var trNodes = document.evaluate(toEvaluate,
  58                 document,
  59                 null,
  60                 XPathResult.ANY_TYPE,
  61                 null);
  62         var trNode = trNodes.iterateNext();
  63         while(trNode) {
  64                 debugText += "<br>"+trNode.nodeName;
  65                 nodesToUnhide[curIndex++] = trNode;
  66                 trNode = trNodes.iterateNext();
  67         }
  68
  69         }
  70         for (i=0;i<curIndex;i++) {
  71                 nodesToUnhide[i].style.display = "table-row";
  72                 if (((i-1) % 2) == 0) {
  73                         nodesToUnhide[i].setAttribute("class","table-alt-row");
  74                 }
  75         }
  76 }
  77 function hideAllExistingRows() {
  78         var nodes = new Array();
  79         var curIndex = 0;
  80         if (document.evaluate) { // Only if we can do so, of course
  81                 var debugText = "";
  82                 var toEvaluate = "//tr/td";
  83                 var tdNodes = document.evaluate(toEvaluate,
  84                 document,
  85                 null,
  86                 XPathResult.ANY_TYPE,
  87                 null);
  88         var tdNode = tdNodes.iterateNext();
  89         while(tdNode) {
  90                 // Get parent
  91                 var parent = tdNode.parentNode;
  92                 nodes[curIndex++] = parent;
  93                 tdNode = tdNodes.iterateNext();
  94         }
  95         }
  96         for(i=0;i<curIndex;i++) {
  97                 nodes[i].style.display = "none";
  98                 nodes[i].removeAttribute("class");
  99         }
 100 }
 101
 102 function taskViewActivate(event ) {
 103         // Do not run if not tasks, do not run without XPath3
 104         if (document.getElementById("taskview") != null && document.evaluate != null) {
 105         // var count = countRowsInTaskView();
 106         categories = new Object();
 107         gatherCategoriesFromTable();
 108         addCategoriesToSelector();
 109
 110         $('selectcategory').observe('change', filterCategories);
 111         filterCategories(null); // color the rows first
 112         }
 113 }
 114