webcit/static/table.js

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