skins/common/sorttable.js

   1 /*
   2  * From: http://www.kryogenix.org/code/browser/sorttable/
   3  * Licence: X11
   4  */
   5
   6 addEvent(window, "load", sortables_init);
   7
   8 var SORT_COLUMN_INDEX;
   9 var NO_ARROW = stylepath+'/common/sort_none.gif';
  10 var UP_ARROW = stylepath+'/common/sort_up.gif';
  11 var DOWN_ARROW = stylepath+'/common/sort_down.gif';
  12
  13 function sortables_init() {
  14         var idnum = 0;
  15     // Find all tables with class sortable and make them sortable
  16     if (!document.getElementsByTagName) return;
  17     tbls = document.getElementsByTagName("table");
  18     for (ti=0;ti<tbls.length;ti++) {
  19         thisTbl = tbls[ti];
  20         if ((' '+thisTbl.className+' ').indexOf("sortable") != -1) {
  21                         if (!thisTbl.id) {
  22                                 thisTbl.setAttribute('id','sortable_table_id_'+idnum);
  23                                 ++idnum;
  24                         }
  25             //initTable(thisTbl.id);
  26             ts_makeSortable(thisTbl);
  27         }
  28     }
  29 }
  30
  31 function ts_makeSortable(table) {
  32     if (table.rows && table.rows.length > 0) {
  33         var firstRow = table.rows[0];
  34     }
  35     if (!firstRow) return;
  36
  37     // We have a first row: assume it's the header, and make its contents clickable links
  38     for (var i=0;i<firstRow.cells.length;i++) {
  39         var cell = firstRow.cells[i];
  40         var txt = ts_getInnerText(cell);
  41         cell.innerHTML = txt+'<a href="#" class="sortheader" onclick="ts_resortTable(this);return false;"><img class="sortarrow" src="'+NO_ARROW+'" alt="&#x2195;" /></a>';
  42     }
  43 }
  44
  45 function ts_getInnerText(el) {
  46         if (typeof el == "string") return el;
  47         if (typeof el == "undefined") { return el };
  48         if (el.innerText) return el.innerText;  //Not needed but it is faster
  49         var str = "";
  50
  51         var cs = el.childNodes;
  52         var l = cs.length;
  53         for (var i = 0; i < l; i++) {
  54                 switch (cs[i].nodeType) {
  55                         case 1: //ELEMENT_NODE
  56                                 str += ts_getInnerText(cs[i]);
  57                                 break;
  58                         case 3: //TEXT_NODE
  59                                 str += cs[i].nodeValue;
  60                                 break;
  61                 }
  62         }
  63         return str;
  64 }
  65
  66 function ts_resortTable(lnk) {
  67     // get the arrow image
  68     var img;
  69     for (var ci=0;ci<lnk.childNodes.length;ci++) {
  70         if (lnk.childNodes[ci].tagName && lnk.childNodes[ci].tagName.toLowerCase() == 'img') img = lnk.childNodes[ci];
  71     }
  72     var td = lnk.parentNode;
  73     var column = td.cellIndex;
  74     var table = getParent(td,'TABLE');
  75
  76     // Work out a type for the column
  77     if (table.rows.length <= 1) return;
  78     var itm = ts_getInnerText(table.rows[1].cells[column]);
  79     sortfn = ts_sort_caseinsensitive;
  80     // Note: The trailing \n$ is needed because that's how MediaWiki spits out its table syntax.
  81     if (itm.match(/^\s*\d{2}[\/-]\d{2}[\/-]\d{4}\s*$/)) sortfn = ts_sort_date;
  82     if (itm.match(/^\s*\d{2}[\/-]\d{2}[\/-]\d{2}\s*$/)) sortfn = ts_sort_date;
  83     if (itm.match(/^\s*[?$]/)) sortfn = ts_sort_currency;
  84     if (itm.match(/^\s*[\d\.]+\s*$/)) sortfn = ts_sort_numeric;
  85     SORT_COLUMN_INDEX = column;
  86     var firstRow = new Array();
  87     var newRows = new Array();
  88     for (i=0;i<table.rows[0].length;i++) { firstRow[i] = table.rows[0][i]; }
  89     for (j=1;j<table.rows.length;j++) { newRows[j-1] = table.rows[j]; }
  90
  91     newRows.sort(sortfn);
  92
  93     if (img.getAttribute("sortdir") == 'down') {
  94                 ARROW = UP_ARROW;
  95         newRows.reverse();
  96         img.setAttribute('sortdir','up');
  97     } else {
  98                 ARROW = DOWN_ARROW;
  99         img.setAttribute('sortdir','down');
 100     }
 101
 102     // We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
 103     // don't do sortbottom rows
 104     for (i=0;i<newRows.length;i++) { if (!newRows[i].className || (newRows[i].className && (newRows[i].className.indexOf('sortbottom') == -1))) table.tBodies[0].appendChild(newRows[i]);}
 105     // do sortbottom rows only
 106     for (i=0;i<newRows.length;i++) { if (newRows[i].className && (newRows[i].className.indexOf('sortbottom') != -1)) table.tBodies[0].appendChild(newRows[i]);}
 107
 108     // Delete any other arrows there may be showing
 109     var allimgs = document.getElementsByTagName("img");
 110     for (var ci=0;ci<allimgs.length;ci++) {
 111         if (allimgs[ci].className == 'sortarrow') {
 112             if (getParent(allimgs[ci],"table") == getParent(lnk,"table")) { // in the same table as us?
 113                 allimgs[ci].setAttribute('src',NO_ARROW);
 114             }
 115         }
 116     }
 117
 118     img.setAttribute('src',ARROW);
 119     img.setAttribute('alt',img.getAttribute("sortdir") == 'down' ? '&darr;' : '&uarr;');
 120 }
 121
 122 function getParent(el, pTagName) {
 123         if (el == null) return null;
 124         else if (el.nodeType == 1 && el.tagName.toLowerCase() == pTagName.toLowerCase())        // Gecko bug, supposed to be uppercase
 125                 return el;
 126         else
 127                 return getParent(el.parentNode, pTagName);
 128 }
 129 function ts_sort_date(a,b) {
 130     // y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
 131     aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]);
 132     bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]);
 133     if (aa.length == 10) {
 134         dt1 = aa.substr(6,4)+aa.substr(3,2)+aa.substr(0,2);
 135     } else {
 136         yr = aa.substr(6,2);
 137         if (parseInt(yr) < 50) { yr = '20'+yr; } else { yr = '19'+yr; }
 138         dt1 = yr+aa.substr(3,2)+aa.substr(0,2);
 139     }
 140     if (bb.length == 10) {
 141         dt2 = bb.substr(6,4)+bb.substr(3,2)+bb.substr(0,2);
 142     } else {
 143         yr = bb.substr(6,2);
 144         if (parseInt(yr) < 50) { yr = '20'+yr; } else { yr = '19'+yr; }
 145         dt2 = yr+bb.substr(3,2)+bb.substr(0,2);
 146     }
 147     if (dt1==dt2) return 0;
 148     if (dt1<dt2) return -1;
 149     return 1;
 150 }
 151
 152 function ts_sort_currency(a,b) {
 153     aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]).replace(/[^0-9.]/g,'');
 154     bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]).replace(/[^0-9.]/g,'');
 155     return parseFloat(aa) - parseFloat(bb);
 156 }
 157
 158 function ts_sort_numeric(a,b) {
 159     aa = parseFloat(ts_getInnerText(a.cells[SORT_COLUMN_INDEX]));
 160     if (isNaN(aa)) aa = 0;
 161     bb = parseFloat(ts_getInnerText(b.cells[SORT_COLUMN_INDEX]));
 162     if (isNaN(bb)) bb = 0;
 163     return aa-bb;
 164 }
 165
 166 function ts_sort_caseinsensitive(a,b) {
 167     aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]).toLowerCase();
 168     bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]).toLowerCase();
 169     if (aa==bb) return 0;
 170     if (aa<bb) return -1;
 171     return 1;
 172 }
 173
 174 function ts_sort_default(a,b) {
 175     aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]);
 176     bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]);
 177     if (aa==bb) return 0;
 178     if (aa<bb) return -1;
 179     return 1;
 180 }
 181
 182
 183 function addEvent(elm, evType, fn, useCapture)
 184 // addEvent and removeEvent
 185 // cross-browser event handling for IE5+,  NS6 and Mozilla
 186 // By Scott Andrew
 187 {
 188   if (elm.addEventListener){
 189     elm.addEventListener(evType, fn, useCapture);
 190     return true;
 191   } else if (elm.attachEvent){
 192     var r = elm.attachEvent("on"+evType, fn);
 193     return r;
 194   } else {
 195     alert("Handler could not be removed");
 196   }
 197 }