Code-source


00001     /*     

00002       SortTable     

00003       version 2     

00004       7th April 2007     

00005       Stuart Langridge, http://www.kryogenix.org/code/browser/sorttable/     

00006          

00007       Instructions:     

00008       Download this file     

00009       Add <script src="sorttable.js"></script> to your HTML     

00010       Add class="sortable" to any table you'd like to make sortable     

00011       Click on the headers to sort     

00012          

00013       Thanks to many, many people for contributions and suggestions.     

00014       Licenced as X11: http://www.kryogenix.org/code/browser/licence.html     

00015       This basically means: do what you want with it.     

00016     */     

00017          

00018          

00019     var stIsIE = /*@cc_on!@*/false;     

00020          

00021     sorttable = {     

00022       init: function() {     

00023         // quit if this function has already been called     

00024         if (arguments.callee.done) return;     

00025         // flag this function so we don't do the same thing twice     

00026         arguments.callee.done = true;     

00027         // kill the timer     

00028         if (_timer) clearInterval(_timer);     

00029          

00030         if (!document.createElement || !document.getElementsByTagName) return;     

00031          

00032         sorttable.DATE_RE = /^(\d\d?)[\/\.-](\d\d?)[\/\.-]((\d\d)?\d\d)$/;     

00033          

00034         forEach(document.getElementsByTagName('table'), function(table) {     

00035           if (table.className.search(/\bsortable\b/) != -1) {     

00036             sorttable.makeSortable(table);     

00037           }     

00038         });     

00039          

00040       },     

00041          

00042       makeSortable: function(table) {     

00043         if (table.getElementsByTagName('thead').length == 0) {     

00044           // table doesn't have a tHead. Since it should have, create one and     

00045           // put the first table row in it.     

00046           the = document.createElement('thead');     

00047           the.appendChild(table.rows[0]);     

00048           table.insertBefore(the,table.firstChild);     

00049         }     

00050         // Safari doesn't support table.tHead, sigh     

00051         if (table.tHead == null) table.tHead = table.getElementsByTagName('thead')[0];     

00052          

00053         if (table.tHead.rows.length != 1) return; // can't cope with two header rows     

00054          

00055         // Sorttable v1 put rows with a class of "sortbottom" at the bottom (as     

00056         // "total" rows, for example). This is B&R, since what you're supposed     

00057         // to do is put them in a tfoot. So, if there are sortbottom rows,     

00058         // for backwards compatibility, move them to tfoot (creating it if needed).     

00059         sortbottomrows = [];     

00060         for (var i=0; i<table.rows.length; i++) {     

00061           if (table.rows[i].className.search(/\bsortbottom\b/) != -1) {     

00062             sortbottomrows[sortbottomrows.length] = table.rows[i];     

00063           }     

00064         }     

00065         if (sortbottomrows) {     

00066           if (table.tFoot == null) {     

00067             // table doesn't have a tfoot. Create one.     

00068             tfo = document.createElement('tfoot');     

00069             table.appendChild(tfo);     

00070           }     

00071           for (var i=0; i<sortbottomrows.length; i++) {     

00072             tfo.appendChild(sortbottomrows[i]);     

00073           }     

00074           delete sortbottomrows;     

00075         }     

00076          

00077         // work through each column and calculate its type     

00078         headrow = table.tHead.rows[0].cells;     

00079         for (var i=0; i<headrow.length; i++) {     

00080           // manually override the type with a sorttable_type attribute     

00081           if (!headrow[i].className.match(/\bsorttable_nosort\b/)) { // skip this col     

00082             mtch = headrow[i].className.match(/\bsorttable_([a-z0-9]+)\b/);     

00083             if (mtch) { override = mtch[1]; }     

00084               if (mtch && typeof sorttable["sort_"+override] == 'function') {     

00085                 headrow[i].sorttable_sortfunction = sorttable["sort_"+override];     

00086               } else {     

00087                 headrow[i].sorttable_sortfunction = sorttable.guessType(table,i);     

00088               }     

00089               // make it clickable to sort     

00090               headrow[i].sorttable_columnindex = i;     

00091               headrow[i].sorttable_tbody = table.tBodies[0];     

00092               dean_addEvent(headrow[i],"click", function(e) {     

00093          

00094               if (this.className.search(/\bsorttable_sorted\b/) != -1) {     

00095                 // if we're already sorted by this column, just     

00096                 // reverse the table, which is quicker     

00097                 sorttable.reverse(this.sorttable_tbody);     

00098                 this.className = this.className.replace('sorttable_sorted',     

00099                                                         'sorttable_sorted_reverse');     

00100                 this.removeChild(document.getElementById('sorttable_sortfwdind'));     

00101                 sortrevind = document.createElement('span');     

00102                 sortrevind.id = "sorttable_sortrevind";     

00103                 sortrevind.innerHTML = stIsIE ? '&nbsp<font face="webdings">5</font>' : '&nbsp;&#x25B4;';     

00104                 this.appendChild(sortrevind);     

00105                 return;     

00106               }     

00107               if (this.className.search(/\bsorttable_sorted_reverse\b/) != -1) {     

00108                 // if we're already sorted by this column in reverse, just     

00109                 // re-reverse the table, which is quicker     

00110                 sorttable.reverse(this.sorttable_tbody);     

00111                 this.className = this.className.replace('sorttable_sorted_reverse',     

00112                                                         'sorttable_sorted');     

00113                 this.removeChild(document.getElementById('sorttable_sortrevind'));     

00114                 sortfwdind = document.createElement('span');     

00115                 sortfwdind.id = "sorttable_sortfwdind";     

00116                 sortfwdind.innerHTML = stIsIE ? '&nbsp<font face="webdings">6</font>' : '&nbsp;&#x25BE;';     

00117                 this.appendChild(sortfwdind);     

00118                 return;     

00119               }     

00120          

00121               // remove sorttable_sorted classes     

00122               theadrow = this.parentNode;     

00123               forEach(theadrow.childNodes, function(cell) {     

00124                 if (cell.nodeType == 1) { // an element     

00125                   cell.className = cell.className.replace('sorttable_sorted_reverse','');     

00126                   cell.className = cell.className.replace('sorttable_sorted','');     

00127                 }     

00128               });     

00129               sortfwdind = document.getElementById('sorttable_sortfwdind');     

00130               if (sortfwdind) { sortfwdind.parentNode.removeChild(sortfwdind); }     

00131               sortrevind = document.getElementById('sorttable_sortrevind');     

00132               if (sortrevind) { sortrevind.parentNode.removeChild(sortrevind); }     

00133          

00134               this.className += ' sorttable_sorted';     

00135               sortfwdind = document.createElement('span');     

00136               sortfwdind.id = "sorttable_sortfwdind";     

00137               sortfwdind.innerHTML = stIsIE ? '&nbsp<font face="webdings">6</font>' : '&nbsp;&#x25BE;';     

00138               this.appendChild(sortfwdind);     

00139          

00140                 // build an array to sort. This is a Schwartzian transform thing,     

00141                 // i.e., we "decorate" each row with the actual sort key,     

00142                 // sort based on the sort keys, and then put the rows back in order     

00143                 // which is a lot faster because you only do getInnerText once per row     

00144                 row_array = [];     

00145                 col = this.sorttable_columnindex;     

00146                 rows = this.sorttable_tbody.rows;     

00147                 for (var j=0; j<rows.length; j++) {     

00148                   row_array[row_array.length] = [sorttable.getInnerText(rows[j].cells[col]), rows[j]];     

00149                 }     

00150                 /* If you want a stable sort, uncomment the following line */     

00151                 //sorttable.shaker_sort(row_array, this.sorttable_sortfunction);     

00152                 /* and comment out this one */     

00153                 row_array.sort(this.sorttable_sortfunction);     

00154              

00155                 tb = this.sorttable_tbody;     

00156                 for (var j=0; j<row_array.length; j++) {     

00157                   tb.appendChild(row_array[j][1]);     

00158                 }     

00159              

00160                 delete row_array;     

00161               });     

00162             }     

00163         }     

00164       },     

00165          

00166       guessType: function(table, column) {     

00167         // guess the type of a column based on its first non-blank row     

00168         sortfn = sorttable.sort_alpha;     

00169         for (var i=0; i<table.tBodies[0].rows.length; i++) {     

00170           text = sorttable.getInnerText(table.tBodies[0].rows[i].cells[column]);     

00171           if (text != '') {     

00172             if (text.match(/^-?[£$¤]?[\d,.]+%?$/)) {     

00173               return sorttable.sort_numeric;     

00174             }     

00175             // check for a date: dd/mm/yyyy or dd/mm/yy     

00176             // can have / or . or - as separator     

00177             // can be mm/dd as well     

00178             possdate = text.match(sorttable.DATE_RE)     

00179             if (possdate) {     

00180               // looks like a date     

00181               first = parseInt(possdate[1]);     

00182               second = parseInt(possdate[2]);     

00183               if (first > 12) {     

00184                 // definitely dd/mm     

00185                 return sorttable.sort_ddmm;     

00186               } else if (second > 12) {     

00187                 return sorttable.sort_mmdd;     

00188               } else {     

00189                 // looks like a date, but we can't tell which, so assume     

00190                 // that it's dd/mm (English imperialism!) and keep looking     

00191                 sortfn = sorttable.sort_ddmm;     

00192               }     

00193             }     

00194           }     

00195         }     

00196         return sortfn;     

00197       },     

00198          

00199       getInnerText: function(node) {     

00200         // gets the text we want to use for sorting for a cell.     

00201         // strips leading and trailing whitespace.     

00202         // this is *not* a generic getInnerText function; it's special to sorttable.     

00203         // for example, you can override the cell text with a customkey attribute.     

00204         // it also gets .value for <input> fields.     

00205          

00206         hasInputs = (typeof node.getElementsByTagName == 'function') &&     

00207                      node.getElementsByTagName('input').length;     

00208          

00209         if (node.getAttribute("sorttable_customkey") != null) {     

00210           return node.getAttribute("sorttable_customkey");     

00211         }     

00212         else if (typeof node.textContent != 'undefined' && !hasInputs) {     

00213           return node.textContent.replace(/^\s+|\s+$/g, '');     

00214         }     

00215         else if (typeof node.innerText != 'undefined' && !hasInputs) {     

00216           return node.innerText.replace(/^\s+|\s+$/g, '');     

00217         }     

00218         else if (typeof node.text != 'undefined' && !hasInputs) {     

00219           return node.text.replace(/^\s+|\s+$/g, '');     

00220         }     

00221         else {     

00222           switch (node.nodeType) {     

00223             case 3:     

00224               if (node.nodeName.toLowerCase() == 'input') {     

00225                 return node.value.replace(/^\s+|\s+$/g, '');     

00226               }     

00227             case 4:     

00228               return node.nodeValue.replace(/^\s+|\s+$/g, '');     

00229               break;     

00230             case 1:     

00231             case 11:     

00232               var innerText = '';     

00233               for (var i = 0; i < node.childNodes.length; i++) {     

00234                 innerText += sorttable.getInnerText(node.childNodes[i]);     

00235               }     

00236               return innerText.replace(/^\s+|\s+$/g, '');     

00237               break;     

00238             default:     

00239               return '';     

00240           }     

00241         }     

00242       },     

00243          

00244       reverse: function(tbody) {     

00245         // reverse the rows in a tbody     

00246         newrows = [];     

00247         for (var i=0; i<tbody.rows.length; i++) {     

00248           newrows[newrows.length] = tbody.rows[i];     

00249         }     

00250         for (var i=newrows.length-1; i>=0; i--) {     

00251            tbody.appendChild(newrows[i]);     

00252         }     

00253         delete newrows;     

00254       },     

00255          

00256       /* sort functions     

00257          each sort function takes two parameters, a and b     

00258          you are comparing a[0] and b[0] */     

00259       sort_numeric: function(a,b) {     

00260         aa = parseFloat(a[0].replace(/[^0-9.-]/g,''));     

00261         if (isNaN(aa)) aa = 0;     

00262         bb = parseFloat(b[0].replace(/[^0-9.-]/g,''));     

00263         if (isNaN(bb)) bb = 0;     

00264         return aa-bb;     

00265       },     

00266       sort_alpha: function(a,b) {     

00267         if (a[0]==b[0]) return 0;     

00268         if (a[0]<b[0]) return -1;     

00269         return 1;     

00270       },     

00271       sort_ddmm: function(a,b) {     

00272         mtch = a[0].match(sorttable.DATE_RE);     

00273         y = mtch[3]; m = mtch[2]; d = mtch[1];     

00274         if (m.length == 1) m = '0'+m;     

00275         if (d.length == 1) d = '0'+d;     

00276         dt1 = y+m+d;     

00277         mtch = b[0].match(sorttable.DATE_RE);     

00278         y = mtch[3]; m = mtch[2]; d = mtch[1];     

00279         if (m.length == 1) m = '0'+m;     

00280         if (d.length == 1) d = '0'+d;     

00281         dt2 = y+m+d;     

00282         if (dt1==dt2) return 0;     

00283         if (dt1<dt2) return -1;     

00284         return 1;     

00285       },     

00286       sort_mmdd: function(a,b) {     

00287         mtch = a[0].match(sorttable.DATE_RE);     

00288         y = mtch[3]; d = mtch[2]; m = mtch[1];     

00289         if (m.length == 1) m = '0'+m;     

00290         if (d.length == 1) d = '0'+d;     

00291         dt1 = y+m+d;     

00292         mtch = b[0].match(sorttable.DATE_RE);     

00293         y = mtch[3]; d = mtch[2]; m = mtch[1];     

00294         if (m.length == 1) m = '0'+m;     

00295         if (d.length == 1) d = '0'+d;     

00296         dt2 = y+m+d;     

00297         if (dt1==dt2) return 0;     

00298         if (dt1<dt2) return -1;     

00299         return 1;     

00300       },     

00301          

00302       shaker_sort: function(list, comp_func) {     

00303         // A stable sort function to allow multi-level sorting of data     

00304         // see: http://en.wikipedia.org/wiki/Cocktail_sort     

00305         // thanks to Joseph Nahmias     

00306         var b = 0;     

00307         var t = list.length - 1;     

00308         var swap = true;     

00309          

00310         while(swap) {     

00311             swap = false;     

00312             for(var i = b; i < t; ++i) {     

00313                 if ( comp_func(list[i], list[i+1]) > 0 ) {     

00314                     var q = list[i]; list[i] = list[i+1]; list[i+1] = q;     

00315                     swap = true;     

00316                 }     

00317             } // for     

00318             t--;     

00319          

00320             if (!swap) break;     

00321          

00322             for(var i = t; i > b; --i) {     

00323                 if ( comp_func(list[i], list[i-1]) < 0 ) {     

00324                     var q = list[i]; list[i] = list[i-1]; list[i-1] = q;     

00325                     swap = true;     

00326                 }     

00327             } // for     

00328             b++;     

00329          

00330         } // while(swap)     

00331       }     

00332     }     

00333          

00334     /* ******************************************************************     

00335        Supporting functions: bundled here to avoid depending on a library     

00336        ****************************************************************** */     

00337          

00338     // Dean Edwards/Matthias Miller/John Resig     

00339          

00340     /* for Mozilla/Opera9 */     

00341     if (document.addEventListener) {     

00342         document.addEventListener("DOMContentLoaded", sorttable.init, false);     

00343     }     

00344          

00345     /* for Internet Explorer */     

00346     /*@cc_on @*/     

00347     /*@if (@_win32)     

00348         document.write("<script id=__ie_onload defer src=javascript:void(0)><\/script>");     

00349         var script = document.getElementById("__ie_onload");     

00350         script.onreadystatechange = function() {     

00351             if (this.readyState == "complete") {     

00352                 sorttable.init(); // call the onload handler     

00353             }     

00354         };     

00355     /*@end @*/     

00356          

00357     /* for Safari */     

00358     if (/WebKit/i.test(navigator.userAgent)) { // sniff     

00359         var _timer = setInterval(function() {     

00360             if (/loaded|complete/.test(document.readyState)) {     

00361                 sorttable.init(); // call the onload handler     

00362             }     

00363         }, 10);     

00364     }     

00365          

00366     /* for other browsers */     

00367     window.onload = sorttable.init;     

00368          

00369     // written by Dean Edwards, 2005     

00370     // with input from Tino Zijdel, Matthias Miller, Diego Perini     

00371          

00372     // http://dean.edwards.name/weblog/2005/10/add-event/     

00373          

00374     function dean_addEvent(element, type, handler) {     

00375         if (element.addEventListener) {     

00376             element.addEventListener(type, handler, false);     

00377         } else {     

00378             // assign each event handler a unique ID     

00379             if (!handler.$$guid) handler.$$guid = dean_addEvent.guid++;     

00380             // create a hash table of event types for the element     

00381             if (!element.events) element.events = {};     

00382             // create a hash table of event handlers for each element/event pair     

00383             var handlers = element.events[type];     

00384             if (!handlers) {     

00385                 handlers = element.events[type] = {};     

00386                 // store the existing event handler (if there is one)     

00387                 if (element["on" + type]) {     

00388                     handlers[0] = element["on" + type];     

00389                 }     

00390             }     

00391             // store the event handler in the hash table     

00392             handlers[handler.$$guid] = handler;     

00393             // assign a global event handler to do all the work     

00394             element["on" + type] = handleEvent;     

00395         }     

00396     };     

00397     // a counter used to create unique IDs     

00398     dean_addEvent.guid = 1;     

00399          

00400     function removeEvent(element, type, handler) {     

00401         if (element.removeEventListener) {     

00402             element.removeEventListener(type, handler, false);     

00403         } else {     

00404             // delete the event handler from the hash table     

00405             if (element.events && element.events[type]) {     

00406                 delete element.events[type][handler.$$guid];     

00407             }     

00408         }     

00409     };     

00410          

00411     function handleEvent(event) {     

00412         var returnValue = true;     

00413         // grab the event object (IE uses a global event object)     

00414         event = event || fixEvent(((this.ownerDocument || this.document || this).parentWindow || window).event);     

00415         // get a reference to the hash table of event handlers     

00416         var handlers = this.events[event.type];     

00417         // execute each event handler     

00418         for (var i in handlers) {     

00419             this.$$handleEvent = handlers[i];     

00420             if (this.$$handleEvent(event) === false) {     

00421                 returnValue = false;     

00422             }     

00423         }     

00424         return returnValue;     

00425     };     

00426          

00427     function fixEvent(event) {     

00428         // add W3C standard event methods     

00429         event.preventDefault = fixEvent.preventDefault;     

00430         event.stopPropagation = fixEvent.stopPropagation;     

00431         return event;     

00432     };     

00433     fixEvent.preventDefault = function() {     

00434         this.returnValue = false;     

00435     };     

00436     fixEvent.stopPropagation = function() {     

00437       this.cancelBubble = true;     

00438     }     

00439          

00440     // Dean's forEach: http://dean.edwards.name/base/forEach.js     

00441     /*     

00442         forEach, version 1.0     

00443         Copyright 2006, Dean Edwards     

00444         License: http://www.opensource.org/licenses/mit-license.php     

00445     */     

00446          

00447     // array-like enumeration     

00448     if (!Array.forEach) { // mozilla already supports this     

00449         Array.forEach = function(array, block, context) {     

00450             for (var i = 0; i < array.length; i++) {     

00451                 block.call(context, array[i], i, array);     

00452             }     

00453         };     

00454     }     

00455          

00456     // generic enumeration     

00457     Function.prototype.forEach = function(object, block, context) {     

00458         for (var key in object) {     

00459             if (typeof this.prototype[key] == "undefined") {     

00460                 block.call(context, object[key], key, object);     

00461             }     

00462         }     

00463     };     

00464          

00465     // character enumeration     

00466     String.forEach = function(string, block, context) {     

00467         Array.forEach(string.split(""), function(chr, index) {     

00468             block.call(context, chr, index, string);     

00469         });     

00470     };     

00471          

00472     // globally resolve forEach enumeration     

00473     var forEach = function(object, block, context) {     

00474         if (object) {     

00475             var resolve = Object; // default     

00476             if (object instanceof Function) {     

00477                 // functions have a "length" property     

00478                 resolve = Function;     

00479             } else if (object.forEach instanceof Function) {     

00480                 // the object implements a custom forEach method so use that     

00481                 object.forEach(block, context);     

00482                 return;     

00483             } else if (typeof object == "string") {     

00484                 // the object is a string     

00485                 resolve = String;     

00486             } else if (typeof object.length == "number") {     

00487                 // the object is array-like     

00488                 resolve = Array;     

00489             }     

00490             resolve.forEach(object, block, context);     

00491         }     

00492     };     

00493
Listing du fichier sorttable.js
