1*d9cf8291SDaniel Hwang/* 2*d9cf8291SDaniel Hwang SortTable 3*d9cf8291SDaniel Hwang version 2 4*d9cf8291SDaniel Hwang 7th April 2007 5*d9cf8291SDaniel Hwang Stuart Langridge, http://www.kryogenix.org/code/browser/sorttable/ 6*d9cf8291SDaniel Hwang 7*d9cf8291SDaniel Hwang Instructions: 8*d9cf8291SDaniel Hwang Download this file 9*d9cf8291SDaniel Hwang Add <script src="sorttable.js"></script> to your HTML 10*d9cf8291SDaniel Hwang Add class="sortable" to any table you'd like to make sortable 11*d9cf8291SDaniel Hwang Click on the headers to sort 12*d9cf8291SDaniel Hwang 13*d9cf8291SDaniel Hwang Thanks to many, many people for contributions and suggestions. 14*d9cf8291SDaniel Hwang Licenced as X11: http://www.kryogenix.org/code/browser/licence.html 15*d9cf8291SDaniel Hwang This basically means: do what you want with it. 16*d9cf8291SDaniel Hwang*/ 17*d9cf8291SDaniel Hwang 18*d9cf8291SDaniel Hwangvar stIsIE = /*@cc_on!@*/ false; 19*d9cf8291SDaniel Hwang 20*d9cf8291SDaniel Hwangsorttable = { 21*d9cf8291SDaniel Hwang init : function() { 22*d9cf8291SDaniel Hwang // quit if this function has already been called 23*d9cf8291SDaniel Hwang if (arguments.callee.done) 24*d9cf8291SDaniel Hwang return; 25*d9cf8291SDaniel Hwang // flag this function so we don't do the same thing twice 26*d9cf8291SDaniel Hwang arguments.callee.done = true; 27*d9cf8291SDaniel Hwang // kill the timer 28*d9cf8291SDaniel Hwang if (_timer) 29*d9cf8291SDaniel Hwang clearInterval(_timer); 30*d9cf8291SDaniel Hwang 31*d9cf8291SDaniel Hwang if (!document.createElement || !document.getElementsByTagName) 32*d9cf8291SDaniel Hwang return; 33*d9cf8291SDaniel Hwang 34*d9cf8291SDaniel Hwang sorttable.DATE_RE = /^(\d\d?)[\/\.-](\d\d?)[\/\.-]((\d\d)?\d\d)$/; 35*d9cf8291SDaniel Hwang 36*d9cf8291SDaniel Hwang forEach(document.getElementsByTagName('table'), function(table) { 37*d9cf8291SDaniel Hwang if (table.className.search(/\bsortable\b/) != -1) { 38*d9cf8291SDaniel Hwang sorttable.makeSortable(table); 39*d9cf8291SDaniel Hwang } 40*d9cf8291SDaniel Hwang }); 41*d9cf8291SDaniel Hwang }, 42*d9cf8291SDaniel Hwang 43*d9cf8291SDaniel Hwang makeSortable : function(table) { 44*d9cf8291SDaniel Hwang if (table.getElementsByTagName('thead').length == 0) { 45*d9cf8291SDaniel Hwang // table doesn't have a tHead. Since it should have, create one and 46*d9cf8291SDaniel Hwang // put the first table row in it. 47*d9cf8291SDaniel Hwang the = document.createElement('thead'); 48*d9cf8291SDaniel Hwang the.appendChild(table.rows[0]); 49*d9cf8291SDaniel Hwang table.insertBefore(the, table.firstChild); 50*d9cf8291SDaniel Hwang } 51*d9cf8291SDaniel Hwang // Safari doesn't support table.tHead, sigh 52*d9cf8291SDaniel Hwang if (table.tHead == null) 53*d9cf8291SDaniel Hwang table.tHead = table.getElementsByTagName('thead')[0]; 54*d9cf8291SDaniel Hwang 55*d9cf8291SDaniel Hwang if (table.tHead.rows.length != 1) 56*d9cf8291SDaniel Hwang return; // can't cope with two header rows 57*d9cf8291SDaniel Hwang 58*d9cf8291SDaniel Hwang // Sorttable v1 put rows with a class of "sortbottom" at the bottom (as 59*d9cf8291SDaniel Hwang // "total" rows, for example). This is B&R, since what you're supposed 60*d9cf8291SDaniel Hwang // to do is put them in a tfoot. So, if there are sortbottom rows, 61*d9cf8291SDaniel Hwang // for backward compatibility, move them to tfoot (creating it if needed). 62*d9cf8291SDaniel Hwang sortbottomrows = []; 63*d9cf8291SDaniel Hwang for (var i = 0; i < table.rows.length; i++) { 64*d9cf8291SDaniel Hwang if (table.rows[i].className.search(/\bsortbottom\b/) != -1) { 65*d9cf8291SDaniel Hwang sortbottomrows[sortbottomrows.length] = table.rows[i]; 66*d9cf8291SDaniel Hwang } 67*d9cf8291SDaniel Hwang } 68*d9cf8291SDaniel Hwang if (sortbottomrows) { 69*d9cf8291SDaniel Hwang if (table.tFoot == null) { 70*d9cf8291SDaniel Hwang // table doesn't have a tfoot. Create one. 71*d9cf8291SDaniel Hwang tfo = document.createElement('tfoot'); 72*d9cf8291SDaniel Hwang table.appendChild(tfo); 73*d9cf8291SDaniel Hwang } 74*d9cf8291SDaniel Hwang for (var i = 0; i < sortbottomrows.length; i++) { 75*d9cf8291SDaniel Hwang tfo.appendChild(sortbottomrows[i]); 76*d9cf8291SDaniel Hwang } 77*d9cf8291SDaniel Hwang delete sortbottomrows; 78*d9cf8291SDaniel Hwang } 79*d9cf8291SDaniel Hwang 80*d9cf8291SDaniel Hwang // work through each column and calculate its type 81*d9cf8291SDaniel Hwang headrow = table.tHead.rows[0].cells; 82*d9cf8291SDaniel Hwang for (var i = 0; i < headrow.length; i++) { 83*d9cf8291SDaniel Hwang // manually override the type with a sorttable_type attribute 84*d9cf8291SDaniel Hwang if (!headrow[i].className.match( 85*d9cf8291SDaniel Hwang /\bsorttable_nosort\b/)) { // skip this col 86*d9cf8291SDaniel Hwang mtch = headrow[i].className.match(/\bsorttable_([a-z0-9]+)\b/); 87*d9cf8291SDaniel Hwang if (mtch) { 88*d9cf8291SDaniel Hwang override = mtch[1]; 89*d9cf8291SDaniel Hwang } 90*d9cf8291SDaniel Hwang if (mtch && typeof sorttable["sort_" + override] == 'function') { 91*d9cf8291SDaniel Hwang headrow[i].sorttable_sortfunction = sorttable["sort_" + override]; 92*d9cf8291SDaniel Hwang } else { 93*d9cf8291SDaniel Hwang headrow[i].sorttable_sortfunction = sorttable.guessType(table, i); 94*d9cf8291SDaniel Hwang } 95*d9cf8291SDaniel Hwang // make it clickable to sort 96*d9cf8291SDaniel Hwang headrow[i].sorttable_columnindex = i; 97*d9cf8291SDaniel Hwang headrow[i].sorttable_tbody = table.tBodies[0]; 98*d9cf8291SDaniel Hwang dean_addEvent(headrow[i], "click", function(e) { 99*d9cf8291SDaniel Hwang if (this.className.search(/\bsorttable_sorted\b/) != -1) { 100*d9cf8291SDaniel Hwang // if we're already sorted by this column, just 101*d9cf8291SDaniel Hwang // reverse the table, which is quicker 102*d9cf8291SDaniel Hwang sorttable.reverse(this.sorttable_tbody); 103*d9cf8291SDaniel Hwang this.className = this.className.replace('sorttable_sorted', 104*d9cf8291SDaniel Hwang 'sorttable_sorted_reverse'); 105*d9cf8291SDaniel Hwang this.removeChild(document.getElementById('sorttable_sortfwdind')); 106*d9cf8291SDaniel Hwang sortrevind = document.createElement('span'); 107*d9cf8291SDaniel Hwang sortrevind.id = "sorttable_sortrevind"; 108*d9cf8291SDaniel Hwang sortrevind.innerHTML = stIsIE 109*d9cf8291SDaniel Hwang ? ' <font face="webdings">5</font>' 110*d9cf8291SDaniel Hwang : ' ▴'; 111*d9cf8291SDaniel Hwang this.appendChild(sortrevind); 112*d9cf8291SDaniel Hwang return; 113*d9cf8291SDaniel Hwang } 114*d9cf8291SDaniel Hwang if (this.className.search(/\bsorttable_sorted_reverse\b/) != -1) { 115*d9cf8291SDaniel Hwang // if we're already sorted by this column in reverse, just 116*d9cf8291SDaniel Hwang // re-reverse the table, which is quicker 117*d9cf8291SDaniel Hwang sorttable.reverse(this.sorttable_tbody); 118*d9cf8291SDaniel Hwang this.className = this.className.replace('sorttable_sorted_reverse', 119*d9cf8291SDaniel Hwang 'sorttable_sorted'); 120*d9cf8291SDaniel Hwang this.removeChild(document.getElementById('sorttable_sortrevind')); 121*d9cf8291SDaniel Hwang sortfwdind = document.createElement('span'); 122*d9cf8291SDaniel Hwang sortfwdind.id = "sorttable_sortfwdind"; 123*d9cf8291SDaniel Hwang sortfwdind.innerHTML = stIsIE 124*d9cf8291SDaniel Hwang ? ' <font face="webdings">6</font>' 125*d9cf8291SDaniel Hwang : ' ▾'; 126*d9cf8291SDaniel Hwang this.appendChild(sortfwdind); 127*d9cf8291SDaniel Hwang return; 128*d9cf8291SDaniel Hwang } 129*d9cf8291SDaniel Hwang 130*d9cf8291SDaniel Hwang // remove sorttable_sorted classes 131*d9cf8291SDaniel Hwang theadrow = this.parentNode; 132*d9cf8291SDaniel Hwang forEach(theadrow.childNodes, function(cell) { 133*d9cf8291SDaniel Hwang if (cell.nodeType == 1) { // an element 134*d9cf8291SDaniel Hwang cell.className = 135*d9cf8291SDaniel Hwang cell.className.replace('sorttable_sorted_reverse', ''); 136*d9cf8291SDaniel Hwang cell.className = cell.className.replace('sorttable_sorted', ''); 137*d9cf8291SDaniel Hwang } 138*d9cf8291SDaniel Hwang }); 139*d9cf8291SDaniel Hwang sortfwdind = document.getElementById('sorttable_sortfwdind'); 140*d9cf8291SDaniel Hwang if (sortfwdind) { 141*d9cf8291SDaniel Hwang sortfwdind.parentNode.removeChild(sortfwdind); 142*d9cf8291SDaniel Hwang } 143*d9cf8291SDaniel Hwang sortrevind = document.getElementById('sorttable_sortrevind'); 144*d9cf8291SDaniel Hwang if (sortrevind) { 145*d9cf8291SDaniel Hwang sortrevind.parentNode.removeChild(sortrevind); 146*d9cf8291SDaniel Hwang } 147*d9cf8291SDaniel Hwang 148*d9cf8291SDaniel Hwang this.className += ' sorttable_sorted'; 149*d9cf8291SDaniel Hwang sortfwdind = document.createElement('span'); 150*d9cf8291SDaniel Hwang sortfwdind.id = "sorttable_sortfwdind"; 151*d9cf8291SDaniel Hwang sortfwdind.innerHTML = 152*d9cf8291SDaniel Hwang stIsIE ? ' <font face="webdings">6</font>' : ' ▾'; 153*d9cf8291SDaniel Hwang this.appendChild(sortfwdind); 154*d9cf8291SDaniel Hwang 155*d9cf8291SDaniel Hwang // build an array to sort. This is a Schwartzian transform thing, 156*d9cf8291SDaniel Hwang // i.e., we "decorate" each row with the actual sort key, 157*d9cf8291SDaniel Hwang // sort based on the sort keys, and then put the rows back in order 158*d9cf8291SDaniel Hwang // which is a lot faster because you only do getInnerText once per row 159*d9cf8291SDaniel Hwang row_array = []; 160*d9cf8291SDaniel Hwang col = this.sorttable_columnindex; 161*d9cf8291SDaniel Hwang rows = this.sorttable_tbody.rows; 162*d9cf8291SDaniel Hwang for (var j = 0; j < rows.length; j++) { 163*d9cf8291SDaniel Hwang row_array[row_array.length] = 164*d9cf8291SDaniel Hwang [ sorttable.getInnerText(rows[j].cells[col]), rows[j] ]; 165*d9cf8291SDaniel Hwang } 166*d9cf8291SDaniel Hwang /* If you want a stable sort, uncomment the following line */ 167*d9cf8291SDaniel Hwang sorttable.shaker_sort(row_array, this.sorttable_sortfunction); 168*d9cf8291SDaniel Hwang /* and comment out this one */ 169*d9cf8291SDaniel Hwang // row_array.sort(this.sorttable_sortfunction); 170*d9cf8291SDaniel Hwang 171*d9cf8291SDaniel Hwang tb = this.sorttable_tbody; 172*d9cf8291SDaniel Hwang for (var j = 0; j < row_array.length; j++) { 173*d9cf8291SDaniel Hwang tb.appendChild(row_array[j][1]); 174*d9cf8291SDaniel Hwang } 175*d9cf8291SDaniel Hwang 176*d9cf8291SDaniel Hwang delete row_array; 177*d9cf8291SDaniel Hwang }); 178*d9cf8291SDaniel Hwang } 179*d9cf8291SDaniel Hwang } 180*d9cf8291SDaniel Hwang }, 181*d9cf8291SDaniel Hwang 182*d9cf8291SDaniel Hwang guessType : function(table, column) { 183*d9cf8291SDaniel Hwang // guess the type of a column based on its first non-blank row 184*d9cf8291SDaniel Hwang sortfn = sorttable.sort_alpha; 185*d9cf8291SDaniel Hwang for (var i = 0; i < table.tBodies[0].rows.length; i++) { 186*d9cf8291SDaniel Hwang text = sorttable.getInnerText(table.tBodies[0].rows[i].cells[column]); 187*d9cf8291SDaniel Hwang if (text != '') { 188*d9cf8291SDaniel Hwang if (text.match(/^-?[」$、]?[\d,.]+%?$/)) { 189*d9cf8291SDaniel Hwang return sorttable.sort_numeric; 190*d9cf8291SDaniel Hwang } 191*d9cf8291SDaniel Hwang // check for a date: dd/mm/yyyy or dd/mm/yy 192*d9cf8291SDaniel Hwang // can have / or . or - as separator 193*d9cf8291SDaniel Hwang // can be mm/dd as well 194*d9cf8291SDaniel Hwang possdate = text.match(sorttable.DATE_RE) 195*d9cf8291SDaniel Hwang if (possdate) { 196*d9cf8291SDaniel Hwang // looks like a date 197*d9cf8291SDaniel Hwang first = parseInt(possdate[1]); 198*d9cf8291SDaniel Hwang second = parseInt(possdate[2]); 199*d9cf8291SDaniel Hwang if (first > 12) { 200*d9cf8291SDaniel Hwang // definitely dd/mm 201*d9cf8291SDaniel Hwang return sorttable.sort_ddmm; 202*d9cf8291SDaniel Hwang } else if (second > 12) { 203*d9cf8291SDaniel Hwang return sorttable.sort_mmdd; 204*d9cf8291SDaniel Hwang } else { 205*d9cf8291SDaniel Hwang // looks like a date, but we can't tell which, so assume 206*d9cf8291SDaniel Hwang // that it's dd/mm (English imperialism!) and keep looking 207*d9cf8291SDaniel Hwang sortfn = sorttable.sort_ddmm; 208*d9cf8291SDaniel Hwang } 209*d9cf8291SDaniel Hwang } 210*d9cf8291SDaniel Hwang } 211*d9cf8291SDaniel Hwang } 212*d9cf8291SDaniel Hwang return sortfn; 213*d9cf8291SDaniel Hwang }, 214*d9cf8291SDaniel Hwang 215*d9cf8291SDaniel Hwang getInnerText : function(node) { 216*d9cf8291SDaniel Hwang // gets the text we want to use for sorting for a cell. 217*d9cf8291SDaniel Hwang // strips leading and trailing whitespace. 218*d9cf8291SDaniel Hwang // this is *not* a generic getInnerText function; it's special to sorttable. 219*d9cf8291SDaniel Hwang // for example, you can override the cell text with a customkey attribute. 220*d9cf8291SDaniel Hwang // it also gets .value for <input> fields. 221*d9cf8291SDaniel Hwang 222*d9cf8291SDaniel Hwang hasInputs = (typeof node.getElementsByTagName == 'function') && 223*d9cf8291SDaniel Hwang node.getElementsByTagName('input').length; 224*d9cf8291SDaniel Hwang 225*d9cf8291SDaniel Hwang if (node.getAttribute("sorttable_customkey") != null) { 226*d9cf8291SDaniel Hwang return node.getAttribute("sorttable_customkey"); 227*d9cf8291SDaniel Hwang } else if (typeof node.textContent != 'undefined' && !hasInputs) { 228*d9cf8291SDaniel Hwang return node.textContent.replace(/^\s+|\s+$/g, ''); 229*d9cf8291SDaniel Hwang } else if (typeof node.innerText != 'undefined' && !hasInputs) { 230*d9cf8291SDaniel Hwang return node.innerText.replace(/^\s+|\s+$/g, ''); 231*d9cf8291SDaniel Hwang } else if (typeof node.text != 'undefined' && !hasInputs) { 232*d9cf8291SDaniel Hwang return node.text.replace(/^\s+|\s+$/g, ''); 233*d9cf8291SDaniel Hwang } else { 234*d9cf8291SDaniel Hwang switch (node.nodeType) { 235*d9cf8291SDaniel Hwang case 3: 236*d9cf8291SDaniel Hwang if (node.nodeName.toLowerCase() == 'input') { 237*d9cf8291SDaniel Hwang return node.value.replace(/^\s+|\s+$/g, ''); 238*d9cf8291SDaniel Hwang } 239*d9cf8291SDaniel Hwang case 4: 240*d9cf8291SDaniel Hwang return node.nodeValue.replace(/^\s+|\s+$/g, ''); 241*d9cf8291SDaniel Hwang break; 242*d9cf8291SDaniel Hwang case 1: 243*d9cf8291SDaniel Hwang case 11: 244*d9cf8291SDaniel Hwang var innerText = ''; 245*d9cf8291SDaniel Hwang for (var i = 0; i < node.childNodes.length; i++) { 246*d9cf8291SDaniel Hwang innerText += sorttable.getInnerText(node.childNodes[i]); 247*d9cf8291SDaniel Hwang } 248*d9cf8291SDaniel Hwang return innerText.replace(/^\s+|\s+$/g, ''); 249*d9cf8291SDaniel Hwang break; 250*d9cf8291SDaniel Hwang default: 251*d9cf8291SDaniel Hwang return ''; 252*d9cf8291SDaniel Hwang } 253*d9cf8291SDaniel Hwang } 254*d9cf8291SDaniel Hwang }, 255*d9cf8291SDaniel Hwang 256*d9cf8291SDaniel Hwang reverse : function(tbody) { 257*d9cf8291SDaniel Hwang // reverse the rows in a tbody 258*d9cf8291SDaniel Hwang newrows = []; 259*d9cf8291SDaniel Hwang for (var i = 0; i < tbody.rows.length; i++) { 260*d9cf8291SDaniel Hwang newrows[newrows.length] = tbody.rows[i]; 261*d9cf8291SDaniel Hwang } 262*d9cf8291SDaniel Hwang for (var i = newrows.length - 1; i >= 0; i--) { 263*d9cf8291SDaniel Hwang tbody.appendChild(newrows[i]); 264*d9cf8291SDaniel Hwang } 265*d9cf8291SDaniel Hwang delete newrows; 266*d9cf8291SDaniel Hwang }, 267*d9cf8291SDaniel Hwang 268*d9cf8291SDaniel Hwang /* sort functions 269*d9cf8291SDaniel Hwang each sort function takes two parameters, a and b 270*d9cf8291SDaniel Hwang you are comparing a[0] and b[0] */ 271*d9cf8291SDaniel Hwang sort_numeric : function(a, b) { 272*d9cf8291SDaniel Hwang aa = parseFloat(a[0].replace(/[^0-9.-]/g, '')); 273*d9cf8291SDaniel Hwang if (isNaN(aa)) 274*d9cf8291SDaniel Hwang aa = 0; 275*d9cf8291SDaniel Hwang bb = parseFloat(b[0].replace(/[^0-9.-]/g, '')); 276*d9cf8291SDaniel Hwang if (isNaN(bb)) 277*d9cf8291SDaniel Hwang bb = 0; 278*d9cf8291SDaniel Hwang return aa - bb; 279*d9cf8291SDaniel Hwang }, 280*d9cf8291SDaniel Hwang sort_alpha : function(a, b) { 281*d9cf8291SDaniel Hwang if (a[0] == b[0]) 282*d9cf8291SDaniel Hwang return 0; 283*d9cf8291SDaniel Hwang if (a[0] < b[0]) 284*d9cf8291SDaniel Hwang return -1; 285*d9cf8291SDaniel Hwang return 1; 286*d9cf8291SDaniel Hwang }, 287*d9cf8291SDaniel Hwang sort_ddmm : function(a, b) { 288*d9cf8291SDaniel Hwang mtch = a[0].match(sorttable.DATE_RE); 289*d9cf8291SDaniel Hwang y = mtch[3]; 290*d9cf8291SDaniel Hwang m = mtch[2]; 291*d9cf8291SDaniel Hwang d = mtch[1]; 292*d9cf8291SDaniel Hwang if (m.length == 1) 293*d9cf8291SDaniel Hwang m = '0' + m; 294*d9cf8291SDaniel Hwang if (d.length == 1) 295*d9cf8291SDaniel Hwang d = '0' + d; 296*d9cf8291SDaniel Hwang dt1 = y + m + d; 297*d9cf8291SDaniel Hwang mtch = b[0].match(sorttable.DATE_RE); 298*d9cf8291SDaniel Hwang y = mtch[3]; 299*d9cf8291SDaniel Hwang m = mtch[2]; 300*d9cf8291SDaniel Hwang d = mtch[1]; 301*d9cf8291SDaniel Hwang if (m.length == 1) 302*d9cf8291SDaniel Hwang m = '0' + m; 303*d9cf8291SDaniel Hwang if (d.length == 1) 304*d9cf8291SDaniel Hwang d = '0' + d; 305*d9cf8291SDaniel Hwang dt2 = y + m + d; 306*d9cf8291SDaniel Hwang if (dt1 == dt2) 307*d9cf8291SDaniel Hwang return 0; 308*d9cf8291SDaniel Hwang if (dt1 < dt2) 309*d9cf8291SDaniel Hwang return -1; 310*d9cf8291SDaniel Hwang return 1; 311*d9cf8291SDaniel Hwang }, 312*d9cf8291SDaniel Hwang sort_mmdd : function(a, b) { 313*d9cf8291SDaniel Hwang mtch = a[0].match(sorttable.DATE_RE); 314*d9cf8291SDaniel Hwang y = mtch[3]; 315*d9cf8291SDaniel Hwang d = mtch[2]; 316*d9cf8291SDaniel Hwang m = mtch[1]; 317*d9cf8291SDaniel Hwang if (m.length == 1) 318*d9cf8291SDaniel Hwang m = '0' + m; 319*d9cf8291SDaniel Hwang if (d.length == 1) 320*d9cf8291SDaniel Hwang d = '0' + d; 321*d9cf8291SDaniel Hwang dt1 = y + m + d; 322*d9cf8291SDaniel Hwang mtch = b[0].match(sorttable.DATE_RE); 323*d9cf8291SDaniel Hwang y = mtch[3]; 324*d9cf8291SDaniel Hwang d = mtch[2]; 325*d9cf8291SDaniel Hwang m = mtch[1]; 326*d9cf8291SDaniel Hwang if (m.length == 1) 327*d9cf8291SDaniel Hwang m = '0' + m; 328*d9cf8291SDaniel Hwang if (d.length == 1) 329*d9cf8291SDaniel Hwang d = '0' + d; 330*d9cf8291SDaniel Hwang dt2 = y + m + d; 331*d9cf8291SDaniel Hwang if (dt1 == dt2) 332*d9cf8291SDaniel Hwang return 0; 333*d9cf8291SDaniel Hwang if (dt1 < dt2) 334*d9cf8291SDaniel Hwang return -1; 335*d9cf8291SDaniel Hwang return 1; 336*d9cf8291SDaniel Hwang }, 337*d9cf8291SDaniel Hwang 338*d9cf8291SDaniel Hwang shaker_sort : function(list, comp_func) { 339*d9cf8291SDaniel Hwang // A stable sort function to allow multi-level sorting of data 340*d9cf8291SDaniel Hwang // see: http://en.wikipedia.org/wiki/Cocktail_sort 341*d9cf8291SDaniel Hwang // thanks to Joseph Nahmias 342*d9cf8291SDaniel Hwang var b = 0; 343*d9cf8291SDaniel Hwang var t = list.length - 1; 344*d9cf8291SDaniel Hwang var swap = true; 345*d9cf8291SDaniel Hwang 346*d9cf8291SDaniel Hwang while (swap) { 347*d9cf8291SDaniel Hwang swap = false; 348*d9cf8291SDaniel Hwang for (var i = b; i < t; ++i) { 349*d9cf8291SDaniel Hwang if (comp_func(list[i], list[i + 1]) > 0) { 350*d9cf8291SDaniel Hwang var q = list[i]; 351*d9cf8291SDaniel Hwang list[i] = list[i + 1]; 352*d9cf8291SDaniel Hwang list[i + 1] = q; 353*d9cf8291SDaniel Hwang swap = true; 354*d9cf8291SDaniel Hwang } 355*d9cf8291SDaniel Hwang } // for 356*d9cf8291SDaniel Hwang t--; 357*d9cf8291SDaniel Hwang 358*d9cf8291SDaniel Hwang if (!swap) 359*d9cf8291SDaniel Hwang break; 360*d9cf8291SDaniel Hwang 361*d9cf8291SDaniel Hwang for (var i = t; i > b; --i) { 362*d9cf8291SDaniel Hwang if (comp_func(list[i], list[i - 1]) < 0) { 363*d9cf8291SDaniel Hwang var q = list[i]; 364*d9cf8291SDaniel Hwang list[i] = list[i - 1]; 365*d9cf8291SDaniel Hwang list[i - 1] = q; 366*d9cf8291SDaniel Hwang swap = true; 367*d9cf8291SDaniel Hwang } 368*d9cf8291SDaniel Hwang } // for 369*d9cf8291SDaniel Hwang b++; 370*d9cf8291SDaniel Hwang 371*d9cf8291SDaniel Hwang } // while(swap) 372*d9cf8291SDaniel Hwang } 373*d9cf8291SDaniel Hwang} 374*d9cf8291SDaniel Hwang 375*d9cf8291SDaniel Hwang/* ****************************************************************** 376*d9cf8291SDaniel Hwang Supporting functions: bundled here to avoid depending on a library 377*d9cf8291SDaniel Hwang ****************************************************************** */ 378*d9cf8291SDaniel Hwang 379*d9cf8291SDaniel Hwang// Dean Edwards/Matthias Miller/John Resig 380*d9cf8291SDaniel Hwang 381*d9cf8291SDaniel Hwang/* for Mozilla/Opera9 */ 382*d9cf8291SDaniel Hwangif (document.addEventListener) { 383*d9cf8291SDaniel Hwang document.addEventListener("DOMContentLoaded", sorttable.init, false); 384*d9cf8291SDaniel Hwang} 385*d9cf8291SDaniel Hwang 386*d9cf8291SDaniel Hwang/* for Internet Explorer */ 387*d9cf8291SDaniel Hwang/*@cc_on @*/ 388*d9cf8291SDaniel Hwang/*@if (@_win32) 389*d9cf8291SDaniel Hwang document.write("<script id=__ie_onload defer 390*d9cf8291SDaniel Hwangsrc=javascript:void(0)><\/script>"); var script = 391*d9cf8291SDaniel Hwangdocument.getElementById("__ie_onload"); script.onreadystatechange = function() { 392*d9cf8291SDaniel Hwang if (this.readyState == "complete") { 393*d9cf8291SDaniel Hwang sorttable.init(); // call the onload handler 394*d9cf8291SDaniel Hwang } 395*d9cf8291SDaniel Hwang }; 396*d9cf8291SDaniel Hwang/*@end @*/ 397*d9cf8291SDaniel Hwang 398*d9cf8291SDaniel Hwang/* for Safari */ 399*d9cf8291SDaniel Hwangif (/WebKit/i.test(navigator.userAgent)) { // sniff 400*d9cf8291SDaniel Hwang var _timer = setInterval(function() { 401*d9cf8291SDaniel Hwang if (/loaded|complete/.test(document.readyState)) { 402*d9cf8291SDaniel Hwang sorttable.init(); // call the onload handler 403*d9cf8291SDaniel Hwang } 404*d9cf8291SDaniel Hwang }, 10); 405*d9cf8291SDaniel Hwang} 406*d9cf8291SDaniel Hwang 407*d9cf8291SDaniel Hwang/* for other browsers */ 408*d9cf8291SDaniel Hwangwindow.onload = sorttable.init; 409*d9cf8291SDaniel Hwang 410*d9cf8291SDaniel Hwang// written by Dean Edwards, 2005 411*d9cf8291SDaniel Hwang// with input from Tino Zijdel, Matthias Miller, Diego Perini 412*d9cf8291SDaniel Hwang 413*d9cf8291SDaniel Hwang// http://dean.edwards.name/weblog/2005/10/add-event/ 414*d9cf8291SDaniel Hwang 415*d9cf8291SDaniel Hwangfunction dean_addEvent(element, type, handler) { 416*d9cf8291SDaniel Hwang if (element.addEventListener) { 417*d9cf8291SDaniel Hwang element.addEventListener(type, handler, false); 418*d9cf8291SDaniel Hwang } else { 419*d9cf8291SDaniel Hwang // assign each event handler a unique ID 420*d9cf8291SDaniel Hwang if (!handler.$$guid) 421*d9cf8291SDaniel Hwang handler.$$guid = dean_addEvent.guid++; 422*d9cf8291SDaniel Hwang // create a hash table of event types for the element 423*d9cf8291SDaniel Hwang if (!element.events) 424*d9cf8291SDaniel Hwang element.events = {}; 425*d9cf8291SDaniel Hwang // create a hash table of event handlers for each element/event pair 426*d9cf8291SDaniel Hwang var handlers = element.events[type]; 427*d9cf8291SDaniel Hwang if (!handlers) { 428*d9cf8291SDaniel Hwang handlers = element.events[type] = {}; 429*d9cf8291SDaniel Hwang // store the existing event handler (if there is one) 430*d9cf8291SDaniel Hwang if (element["on" + type]) { 431*d9cf8291SDaniel Hwang handlers[0] = element["on" + type]; 432*d9cf8291SDaniel Hwang } 433*d9cf8291SDaniel Hwang } 434*d9cf8291SDaniel Hwang // store the event handler in the hash table 435*d9cf8291SDaniel Hwang handlers[handler.$$guid] = handler; 436*d9cf8291SDaniel Hwang // assign a global event handler to do all the work 437*d9cf8291SDaniel Hwang element["on" + type] = handleEvent; 438*d9cf8291SDaniel Hwang } 439*d9cf8291SDaniel Hwang}; 440*d9cf8291SDaniel Hwang// a counter used to create unique IDs 441*d9cf8291SDaniel Hwangdean_addEvent.guid = 1; 442*d9cf8291SDaniel Hwang 443*d9cf8291SDaniel Hwangfunction removeEvent(element, type, handler) { 444*d9cf8291SDaniel Hwang if (element.removeEventListener) { 445*d9cf8291SDaniel Hwang element.removeEventListener(type, handler, false); 446*d9cf8291SDaniel Hwang } else { 447*d9cf8291SDaniel Hwang // delete the event handler from the hash table 448*d9cf8291SDaniel Hwang if (element.events && element.events[type]) { 449*d9cf8291SDaniel Hwang delete element.events[type][handler.$$guid]; 450*d9cf8291SDaniel Hwang } 451*d9cf8291SDaniel Hwang } 452*d9cf8291SDaniel Hwang}; 453*d9cf8291SDaniel Hwang 454*d9cf8291SDaniel Hwangfunction handleEvent(event) { 455*d9cf8291SDaniel Hwang var returnValue = true; 456*d9cf8291SDaniel Hwang // grab the event object (IE uses a global event object) 457*d9cf8291SDaniel Hwang event = 458*d9cf8291SDaniel Hwang event || 459*d9cf8291SDaniel Hwang fixEvent( 460*d9cf8291SDaniel Hwang ((this.ownerDocument || this.document || this).parentWindow || window) 461*d9cf8291SDaniel Hwang .event); 462*d9cf8291SDaniel Hwang // get a reference to the hash table of event handlers 463*d9cf8291SDaniel Hwang var handlers = this.events[event.type]; 464*d9cf8291SDaniel Hwang // execute each event handler 465*d9cf8291SDaniel Hwang for (var i in handlers) { 466*d9cf8291SDaniel Hwang this.$$handleEvent = handlers[i]; 467*d9cf8291SDaniel Hwang if (this.$$handleEvent(event) === false) { 468*d9cf8291SDaniel Hwang returnValue = false; 469*d9cf8291SDaniel Hwang } 470*d9cf8291SDaniel Hwang } 471*d9cf8291SDaniel Hwang return returnValue; 472*d9cf8291SDaniel Hwang}; 473*d9cf8291SDaniel Hwang 474*d9cf8291SDaniel Hwangfunction fixEvent(event) { 475*d9cf8291SDaniel Hwang // add W3C standard event methods 476*d9cf8291SDaniel Hwang event.preventDefault = fixEvent.preventDefault; 477*d9cf8291SDaniel Hwang event.stopPropagation = fixEvent.stopPropagation; 478*d9cf8291SDaniel Hwang return event; 479*d9cf8291SDaniel Hwang}; 480*d9cf8291SDaniel HwangfixEvent.preventDefault = function() { this.returnValue = false; }; 481*d9cf8291SDaniel HwangfixEvent.stopPropagation = function() { this.cancelBubble = true; } 482*d9cf8291SDaniel Hwang 483*d9cf8291SDaniel Hwang// Dean's forEach: http://dean.edwards.name/base/forEach.js 484*d9cf8291SDaniel Hwang/* 485*d9cf8291SDaniel Hwang forEach, version 1.0 486*d9cf8291SDaniel Hwang Copyright 2006, Dean Edwards 487*d9cf8291SDaniel Hwang License: http://www.opensource.org/licenses/mit-license.php 488*d9cf8291SDaniel Hwang*/ 489*d9cf8291SDaniel Hwang 490*d9cf8291SDaniel Hwang// array-like enumeration 491*d9cf8291SDaniel Hwangif (!Array.forEach) { // mozilla already supports this 492*d9cf8291SDaniel Hwang Array.forEach = function(array, block, context) { 493*d9cf8291SDaniel Hwang for (var i = 0; i < array.length; i++) { 494*d9cf8291SDaniel Hwang block.call(context, array[i], i, array); 495*d9cf8291SDaniel Hwang } 496*d9cf8291SDaniel Hwang }; 497*d9cf8291SDaniel Hwang} 498*d9cf8291SDaniel Hwang 499*d9cf8291SDaniel Hwang// generic enumeration 500*d9cf8291SDaniel HwangFunction.prototype.forEach = function(object, block, context) { 501*d9cf8291SDaniel Hwang for (var key in object) { 502*d9cf8291SDaniel Hwang if (typeof this.prototype[key] == "undefined") { 503*d9cf8291SDaniel Hwang block.call(context, object[key], key, object); 504*d9cf8291SDaniel Hwang } 505*d9cf8291SDaniel Hwang } 506*d9cf8291SDaniel Hwang}; 507*d9cf8291SDaniel Hwang 508*d9cf8291SDaniel Hwang// character enumeration 509*d9cf8291SDaniel HwangString.forEach = function(string, block, context) { 510*d9cf8291SDaniel Hwang Array.forEach( 511*d9cf8291SDaniel Hwang string.split(""), 512*d9cf8291SDaniel Hwang function(chr, index) { block.call(context, chr, index, string); }); 513*d9cf8291SDaniel Hwang}; 514*d9cf8291SDaniel Hwang 515*d9cf8291SDaniel Hwang// globally resolve forEach enumeration 516*d9cf8291SDaniel Hwangvar forEach = function(object, block, context) { 517*d9cf8291SDaniel Hwang if (object) { 518*d9cf8291SDaniel Hwang var resolve = Object; // default 519*d9cf8291SDaniel Hwang if (object instanceof Function) { 520*d9cf8291SDaniel Hwang // functions have a "length" property 521*d9cf8291SDaniel Hwang resolve = Function; 522*d9cf8291SDaniel Hwang } else if (object.forEach instanceof Function) { 523*d9cf8291SDaniel Hwang // the object implements a custom forEach method so use that 524*d9cf8291SDaniel Hwang object.forEach(block, context); 525*d9cf8291SDaniel Hwang return; 526*d9cf8291SDaniel Hwang } else if (typeof object == "string") { 527*d9cf8291SDaniel Hwang // the object is a string 528*d9cf8291SDaniel Hwang resolve = String; 529*d9cf8291SDaniel Hwang } else if (typeof object.length == "number") { 530*d9cf8291SDaniel Hwang // the object is array-like 531*d9cf8291SDaniel Hwang resolve = Array; 532*d9cf8291SDaniel Hwang } 533*d9cf8291SDaniel Hwang resolve.forEach(object, block, context); 534*d9cf8291SDaniel Hwang } 535*d9cf8291SDaniel Hwang};