funchat/js/tablesort.js
2025-06-02 10:01:12 +02:00

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/*
*
* Copyright (c) 2006 Andrew Tetlaw
* http://tetlaw.id.au/view/blog/table-sorting-with-prototype/
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
* *
*/
var SortableTable = {
init : function(elm, o){
var table = $(elm);
if(table.tagName != "TABLE") return;
if(!table.id) table.id = "sortable-table-" + SortableTable._count++;
Object.extend(SortableTable.options, o || {} );
var doscroll = (SortableTable.options.tableScroll == 'on' || (SortableTable.options.tableScroll == 'class' && table.hasClassName(SortableTable.options.tableScrollClass)));
var sortFirst;
var cells = SortableTable.getHeaderCells(table);
cells.each(function(c){
c = $(c);
if(!doscroll) {
Event.observe(c, 'click', SortableTable._sort.bindAsEventListener(c));
c.addClassName(SortableTable.options.columnClass);
}
if(c.hasClassName(SortableTable.options.sortFirstAscendingClass) || c.hasClassName(SortableTable.options.sortFirstDecendingClass)) sortFirst = c;
});
if(sortFirst) {
if(sortFirst.hasClassName(SortableTable.options.sortFirstAscendingClass)) {
SortableTable.sort(table, sortFirst, 1);
} else {
SortableTable.sort(table, sortFirst, -1);
}
} else { // just add row stripe classes
var rows = SortableTable.getBodyRows(table);
rows.each(function(r,i) {
SortableTable.addRowClass(r,i);
});
}
if(doscroll) SortableTable.initScroll(table);
},
initScroll : function(elm){
var table = $(elm);
if(table.tagName != "TABLE") return;
table.addClassName(SortableTable.options.tableScrollClass);
var w = table.getDimensions().width;
table.setStyle({
'border-spacing': '0',
'table-layout': 'fixed',
width: w + 'px'
});
var cells = SortableTable.getHeaderCells(table);
cells.each(function(c,i){
c = $(c);
var cw = c.getDimensions().width;
c.setStyle({width: cw + 'px'});
$A(table.tBodies[0].rows).each(function(r){
$(r.cells[i]).setStyle({width: cw + 'px'});
})
})
// Fixed Head
var head = (table.tHead && table.tHead.rows.length > 0) ? table.tHead : table.rows[0];
var hclone = head.cloneNode(true);
var hdiv = $(document.createElement('div'));
hdiv.id = table.id + '-head';
table.parentNode.insertBefore(hdiv, table);
hdiv.setStyle({
overflow: 'hidden'
});
var htbl = $(document.createElement('table'));
htbl.setStyle({
'border-spacing': '0',
'table-layout': 'fixed',
width: w + 'px'
});
hdiv.appendChild(htbl);
hdiv.addClassName('scroll-table-head');
table.removeChild(head);
htbl.appendChild(hclone);
cells = SortableTable.getHeaderCells(htbl);
cells.each(function(c){
c = $(c);
Event.observe(c, 'click', SortableTable._sortScroll.bindAsEventListener(c));
c.addClassName(SortableTable.options.columnClass);
});
// Table Body
var cdiv = $(document.createElement('div'));
cdiv.id = table.id + '-body';
table.parentNode.insertBefore(cdiv, table);
cdiv.setStyle({
overflow: 'auto'
});
cdiv.appendChild(table);
cdiv.addClassName('scroll-table-body');
hdiv.scrollLeft = 0;
cdiv.scrollLeft = 0;
Event.observe(cdiv, 'scroll', SortableTable._scroll.bindAsEventListener(table), false);
if(table.offsetHeight - cdiv.offsetHeight > 0){
cdiv.setStyle({width:(cdiv.getDimensions().width + 16) + 'px'})
}
},
_scroll: function(){
$(this.id + '-head').scrollLeft = $(this.id + '-body').scrollLeft;
},
_sort : function(e) {
SortableTable.sort(null, this);
},
_sortScroll : function(e) {
var hdiv = $(this).up('div.scroll-table-head');
var id = hdiv.id.match(/^(.*)-head$/);
SortableTable.sort($(id[1]), this);
},
sort : function(table, index, order) {
var cell;
if(typeof index == 'number') {
if(!table || (table.tagName && table.tagName != "TABLE")) return;
index = Math.min(table.rows[0].cells.length, index);
index = Math.max(1, index);
index -= 1;
cell = (table.tHead && table.tHead.rows.length > 0) ? $(table.tHead.rows[table.tHead.rows.length-1].cells[index]) : $(table.rows[0].cells[index]);
} else {
cell = $(index);
table = table ? $(table) : table = cell.up('table');
index = SortableTable.getCellIndex(cell)
}
var op = SortableTable.options;
if(cell.hasClassName(op.nosortClass)) return;
order = order ? order : (cell.hasClassName(op.descendingClass) ? 1 : -1);
var hcells = SortableTable.getHeaderCells(null, cell);
$A(hcells).each(function(c,i){
c = $(c);
if(i == index) {
if(order == 1) {
c.removeClassName(op.descendingClass);
c.addClassName(op.ascendingClass);
} else {
c.removeClassName(op.ascendingClass);
c.addClassName(op.descendingClass);
}
} else {
c.removeClassName(op.ascendingClass);
c.removeClassName(op.descendingClass);
}
});
var rows = SortableTable.getBodyRows(table);
var datatype = SortableTable.getDataType(cell,index,table);
rows.sort(function(a,b) {
return order * SortableTable.types[datatype](SortableTable.getCellText(a.cells[index]),SortableTable.getCellText(b.cells[index]));
});
rows.each(function(r,i) {
table.tBodies[0].appendChild(r);
SortableTable.addRowClass(r,i);
});
},
types : {
number : function(a,b) {
// This will grab the first thing that looks like a number from a string, so you can use it to order a column of various srings containing numbers.
var calc = function(v) {
v = parseFloat(v.replace(/^.*?([-+]?[\d]*\.?[\d]+(?:[eE][-+]?[\d]+)?).*$/,"$1"));
return isNaN(v) ? 0 : v;
}
return SortableTable.compare(calc(a),calc(b));
},
text : function(a,b) {
return SortableTable.compare(a ? a.toLowerCase() : '', b ? b.toLowerCase() : '');
},
casesensitivetext : function(a,b) {
return SortableTable.compare(a,b);
},
datasize : function(a,b) {
var calc = function(v) {
var r = v.match(/^([-+]?[\d]*\.?[\d]+([eE][-+]?[\d]+)?)\s?([k|m|g|t]?b)?/i);
var b = r[1] ? Number(r[1]).valueOf() : 0;
var m = r[3] ? r[3].substr(0,1).toLowerCase() : '';
switch(m) {
case 'k':
return b * 1024;
break;
case 'm':
return b * 1024 * 1024;
break;
case 'g':
return b * 1024 * 1024 * 1024;
break;
case 't':
return b * 1024 * 1024 * 1024 * 1024;
break;
}
return b;
}
return SortableTable.compare(calc(a),calc(b));
},
'date-au' : function(a,b) {
var calc = function(v) {
var r = v.match(/^(\d{2})\/(\d{2})\/(\d{4})\s?(?:(\d{1,2})\:(\d{2})(?:\:(\d{2}))?\s?([a|p]?m?))?/i);
var yr_num = r[3];
var mo_num = parseInt(r[2])-1;
var day_num = r[1];
var hr_num = r[4] ? r[4] : 0;
if(r[7] && r[7].toLowerCase().indexOf('p') != -1) {
hr_num = parseInt(r[4]) + 12;
}
var min_num = r[5] ? r[5] : 0;
var sec_num = r[6] ? r[6] : 0;
return new Date(yr_num, mo_num, day_num, hr_num, min_num, sec_num, 0).valueOf();
}
return SortableTable.compare(a ? calc(a) : 0, b ? calc(b) : 0);
},
'date-us' : function(a,b) {
var calc = function(v) {
var r = v.match(/^(\d{2})\/(\d{2})\/(\d{4})\s?(?:(\d{1,2})\:(\d{2})(?:\:(\d{2}))?\s?([a|p]?m?))?/i);
var yr_num = r[3];
var mo_num = parseInt(r[1])-1;
var day_num = r[2];
var hr_num = r[4] ? r[4] : 0;
if(r[7] && r[7].toLowerCase().indexOf('p') != -1) {
hr_num = parseInt(r[4]) + 12;
}
var min_num = r[5] ? r[5] : 0;
var sec_num = r[6] ? r[6] : 0;
return new Date(yr_num, mo_num, day_num, hr_num, min_num, sec_num, 0).valueOf();
}
return SortableTable.compare(a ? calc(a) : 0, b ? calc(b) : 0);
},
'date-eu' : function(a,b) {
var calc = function(v) {
var r = v.match(/^(\d{2})-(\d{2})-(\d{4})/);
var yr_num = r[3];
var mo_num = parseInt(r[2])-1;
var day_num = r[1];
return new Date(yr_num, mo_num, day_num).valueOf();
}
return SortableTable.compare(a ? calc(a) : 0, b ? calc(b) : 0);
},
'date-iso' : function(a,b) {
// http://delete.me.uk/2005/03/iso8601.html ROCK!
var calc = function(v) {
var d = v.match(/([\d]{4})(-([\d]{2})(-([\d]{2})(T([\d]{2}):([\d]{2})(:([\d]{2})(\.([\d]+))?)?(Z|(([-+])([\d]{2}):([\d]{2})))?)?)?)?/);
var offset = 0;
var date = new Date(d[1], 0, 1);
if (d[3]) { date.setMonth(d[3] - 1) ;}
if (d[5]) { date.setDate(d[5]); }
if (d[7]) { date.setHours(d[7]); }
if (d[8]) { date.setMinutes(d[8]); }
if (d[10]) { date.setSeconds(d[10]); }
if (d[12]) { date.setMilliseconds(Number("0." + d[12]) * 1000); }
if (d[14]) {
offset = (Number(d[16]) * 60) + Number(d[17]);
offset *= ((d[15] == '-') ? 1 : -1);
}
offset -= date.getTimezoneOffset();
if(offset != 0) {
var time = (Number(date) + (offset * 60 * 1000));
date.setTime(Number(time));
}
return date.valueOf();
}
return SortableTable.compare(a ? calc(a) : 0, b ? calc(b) : 0);
},
date : function(a,b) { // must be standard javascript date format
if(a && b) {
return SortableTable.compare(new Date(a),new Date(b));
} else {
return SortableTable.compare(a ? 1 : 0, b ? 1 : 0);
}
return SortableTable.compare(a ? new Date(a).valueOf() : 0, b ? new Date(b).valueOf() : 0);
},
time : function(a,b) {
var d = new Date();
var ds = d.getMonth() + "/" + d.getDate() + "/" + d.getFullYear() + " "
return SortableTable.compare(new Date(ds + a),new Date(ds + b));
},
currency : function(a,b) {
a = parseFloat(a.replace(/[^-\d\.]/g,''));
b = parseFloat(b.replace(/[^-\d\.]/g,''));
return SortableTable.compare(a,b);
}
},
compare : function(a,b) {
return a < b ? -1 : a == b ? 0 : 1;
},
detectors : $A([
{re: /[\d]{4}-[\d]{2}-[\d]{2}(?:T[\d]{2}\:[\d]{2}(?:\:[\d]{2}(?:\.[\d]+)?)?(Z|([-+][\d]{2}:[\d]{2})?)?)?/, type : "date-iso"}, // 2005-03-26T19:51:34Z
{re: /^sun|mon|tue|wed|thu|fri|sat\,\s\d{1,2}\sjan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec\s\d{4}(?:\s\d{2}\:\d{2}(?:\:\d{2})?(?:\sGMT(?:[+-]\d{4})?)?)?/i, type : "date"}, //Mon, 18 Dec 1995 17:28:35 GMT
{re: /^\d{2}-\d{2}-\d{4}/i, type : "date-eu"},
{re: /^\d{2}\/\d{2}\/\d{4}\s?(?:\d{1,2}\:\d{2}(?:\:\d{2})?\s?[a|p]?m?)?/i, type : "date-au"},
{re: /^\d{1,2}\:\d{2}(?:\:\d{2})?(?:\s[a|p]m)?$/i, type : "time"},
{re: /^[$<24><><EFBFBD><EFBFBD>]/, type : "currency"}, // dollar,pound,yen,euro,generic currency symbol
{re: /^[-+]?[\d]*\.?[\d]+(?:[eE][-+]?[\d]+)?\s?[k|m|g|t]b$/i, type : "datasize"},
{re: /^[-+]?[\d]*\.?[\d]+(?:[eE][-+]?[\d]+)?/, type : "number"},
{re: /^[A-Z]+$/, type : "casesensitivetext"},
{re: /.*/, type : "text"}
]),
addSortType : function(name, sortfunc) {
SortableTable.types[name] = sortfunc;
},
addDetector : function(rexp, name) {
SortableTable.detectors.unshift({re:rexp,type:name});
},
getBodyRows : function(table) {
table = $(table);
return (table.hasClassName(SortableTable.options.tableScrollClass) || table.tHead && table.tHead.rows.length > 0) ?
$A(table.tBodies[0].rows) : $A(table.rows).without(table.rows[0]);
},
addRowClass : function(r,i) {
r = $(r)
r.removeClassName(SortableTable.options.rowEvenClass);
r.removeClassName(SortableTable.options.rowOddClass);
r.addClassName(((i+1)%2 == 0 ? SortableTable.options.rowEvenClass : SortableTable.options.rowOddClass));
},
getHeaderCells : function(table, cell) {
if(!table) table = $(cell).up('table');
return $A((table.tHead && table.tHead.rows.length > 0) ? table.tHead.rows[table.tHead.rows.length-1].cells : table.rows[0].cells);
},
getCellIndex : function(cell) {
return $A(cell.parentNode.cells).indexOf(cell);
},
getCellText : function(cell) {
if(!cell) return "";
return cell.textContent ? cell.textContent : cell.innerText;
},
getDataType : function(cell,index,table) {
cell = $(cell);
var t = cell.classNames().detect(function(n){ // first look for a data type classname on the heading row cell
return (SortableTable.types[n]) ? true : false;
});
if(!t) {
var i = index ? index : SortableTable.getCellIndex(cell);
var tbl = table ? table : cell.up('table')
cell = tbl.tBodies[0].rows[0].cells[i]; // grab same index cell from second row to try and match data type
t = SortableTable.detectors.detect(function(d){return d.re.test(SortableTable.getCellText(cell));})['type'];
}
return t;
},
setup : function(o) {
Object.extend(SortableTable.options, o || {} )
//in case the user added more types/detectors in the setup options, we read them out and then erase them
// this is so setup can be called multiple times to inject new types/detectors
Object.extend(SortableTable.types, SortableTable.options.types || {})
SortableTable.options.types = {};
if(SortableTable.options.detectors) {
SortableTable.detectors = $A(SortableTable.options.detectors).concat(SortableTable.detectors);
SortableTable.options.detectors = [];
}
},
options : {
autoLoad : true,
tableSelector : ['table.sortable'],
columnClass : 'sortcol',
descendingClass : 'sortdesc',
ascendingClass : 'sortasc',
nosortClass : 'nosort',
sortFirstAscendingClass : 'sortfirstasc',
sortFirstDecendingClass : 'sortfirstdesc',
rowEvenClass : 'roweven',
rowOddClass : 'rowodd',
tableScroll : 'class', // off | on | class;
tableScrollClass : 'scroll'
},
_count : 0,
load : function() {
if(SortableTable.options.autoLoad) {
$A(SortableTable.options.tableSelector).each(function(s){
$$(s).each(function(t) {
SortableTable.init(t, {tableScroll : SortableTable.options.tableScroll});
});
});
}
}
}
if(FastInit) {
FastInit.addOnLoad(SortableTable.load);
} else {
Event.observe(window, 'load', SortableTable.load);
}