/*
*
* Copyright (c) 2007 Andrew Tetlaw & Millstream Web Software
* http://www.millstream.com.au/view/code/tablekit/
* Version: 1.2.1 2007-03-11
* 
* 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.
* * 
*/

// UTF-8 Teststräng: åäöÅÄÖ

// Use the TableKit class constructure if you'd prefer to init your tables as JS objects
var TableKit = Class.create();

TableKit.prototype = {
	initialize : function(elm, options) {
		var table = $(elm);
		if(table.tagName !== "TABLE") {
			return;
		}
		TableKit.register(table,Object.extend(TableKit.options,options || {}));
		this.id = table.id;
		var op = TableKit.option('sortable', this.id);
		if(op.sortable) {
			TableKit.Sortable.init(table);
		} 
	},
	sort : function(column, order) {
		TableKit.Sortable.sort(this.id, column, order);
	}
};

Object.extend(TableKit, {
	getBodyRows : function(table) {
		table = $(table);
		var id = table.id;
		if(!TableKit.rows[id]) {
			TableKit.rows[id] = (table.tHead && table.tHead.rows.length > 0) ? $A(table.tBodies[0].rows) : $A(table.rows).without(table.rows[0]);
		}
		return TableKit.rows[id];
	},
	getHeaderCells : function(table, cell) {
		if(!table) { table = $(cell).up('table'); }
		var id = table.id;
		if(!TableKit.heads[id]) {
			TableKit.heads[id] = $A((table.tHead && table.tHead.rows.length > 0) ? table.tHead.rows[table.tHead.rows.length-1].cells : table.rows[0].cells);
		}
		return TableKit.heads[id];
	},
	getCellIndex : function(cell) {
		return $A(cell.parentNode.cells).indexOf(cell);
	},
	getRowIndex : function(row) {
		return $A(row.parentNode.rows).indexOf(row);
	},
	getCellText : function(cell, refresh) {
		if(!cell) { return ""; }
		TableKit.registerCell(cell);
		var data = TableKit.cells[cell.id];
		if(refresh || data.refresh || !data.textContent) {
			data.textContent = cell.textContent ? cell.textContent : cell.innerText;
			data.refresh = false;
		}
		return data.textContent;
	},
	register : function(table, options) {
		if(!table.id) {
			TableKit._tblcount += 1;
			table.id = "tablekit-table-" + TableKit._tblcount;
		}
		var id = table.id;
		TableKit.tables[id] = TableKit.tables[id] ? Object.extend(TableKit.tables[id], options || {}) : Object.extend({sortable:false,resizable:false,editable:false}, options || {});
	},
	registerCell : function(cell) {
		if(!cell.id) {
			TableKit._cellcount += 1;
			cell.id = "tablekit-cell-" + TableKit._cellcount;
		}
		if(!TableKit.cells[cell.id]) {
			TableKit.cells[cell.id] = {textContent : '', htmlContent : '', active : false};
		}
	},
	resetCells : function(table) {
		// We have to reset alla cells even if there is multiple tables in the cache
		TableKit.cells = {};
		TableKit.rows = {};
		TableKit.heads = {};
	},
	isRegistered : function(table) {
		return TableKit.tables[table.id] ? true : false;
	},
	isSortable : function(table) {
		return TableKit.tables[table.id] ? TableKit.tables[table.id].sortable : false;
	},
	setup : function(o) {
		Object.extend(TableKit.options, o || {} );
	},
	option : function(s, id, o1, o2) {
		o1 = o1 || TableKit.options;
		o2 = o2 || (id ? (TableKit.tables[id] ? TableKit.tables[id] : {}) : {});
		var key = id + s;
		if(!TableKit._opcache[key]){
			TableKit._opcache[key] = $A($w(s)).inject([],function(a,v){
				a.push(a[v] = o2[v] || o1[v]);
				return a;
			});
		}
		return TableKit._opcache[key];
	},
	e : function(event) {
		return event || window.event;
	},
	tables : {},
	_opcache : {},
	cells : {},
	rows : {},
	heads : {},
	options : {
		autoLoad : false,
		stripe : false,
		sortable : false,
		defaultPaddingRight : '3px',
		defaultSortPaddingRight : '15px',
		rowEvenClass : 'roweven',
		rowOddClass : 'rowodd',
		sortableSelector : ['table.sortable'],
		columnClass : 'sortcol',
		descendingClass : 'sortdesc',
		ascendingClass : 'sortasc',
		noSortClass : 'nosort',
		sortFirstAscendingClass : 'sortfirstasc',
		sortFirstDecendingClass : 'sortfirstdesc'
	},
	_tblcount : 0,
	_cellcount : 0,
	load : function() {
		if(TableKit.options.autoLoad) {
			if(TableKit.options.sortable) {
				$A(TableKit.options.sortableSelector).each(function(s){
					$$(s).each(function(t) {
						TableKit.Sortable.init(t);
					});
				});
			}
		}
	}
});

TableKit.Rows = {
	stripe : function(table) {
		var rows = TableKit.getBodyRows(table);
		rows.each(function(r,i) {
			TableKit.Rows.addStripeClass(table,r,i);
		});
	},
	addStripeClass : function(t,r,i) {
		t = t || r.up('table');
		var op = TableKit.option('rowEvenClass rowOddClass', t.id);
		var css = ((i+1)%2 === 0 ? op[0] : op[1]);
		// using prototype's assClassName/RemoveClassName was not efficient for large tables, hence:
		var cn = r.className.split(/\s+/);
		var newCn = [];
		for(var x = 0, l = cn.length; x < l; x += 1) {
			if(cn[x] !== op[0] && cn[x] !== op[1]) { newCn.push(cn[x]); }
		}
		newCn.push(css);
		r.className = newCn.join(" ");
	}
};

TableKit.Sortable = {
	init : function(elm, options){
		var table = $(elm);
		if(table.tagName !== "TABLE") {
			return;
		}
		if (TableKit.isRegistered(table)) {
			TableKit.Sortable.reset(table);
		}
		TableKit.register(table,Object.extend(options || {},{sortable:true}));
		var sortFirst;
		var cells = TableKit.getHeaderCells(table);
		var op = TableKit.option('stripe noSortClass columnClass sortFirstAscendingClass sortFirstDecendingClass', table.id);
		cells.each(function(c){
			c = $(c);
			if(!c.hasClassName(op.noSortClass)) {
				Event.observe(c, 'mousedown', TableKit.Sortable._sort);
				c.addClassName(op.columnClass);
				if(c.hasClassName(op.sortFirstAscendingClass) || c.hasClassName(op.sortFirstDecendingClass)) {
					sortFirst = c;
				}
			}
		});

		if(sortFirst) {
			if(sortFirst.hasClassName(op.sortFirstAscendingClass)) {
				TableKit.Sortable.sort(table, sortFirst, 1);
			} else {
				TableKit.Sortable.sort(table, sortFirst, -1);
			}
		} else { // just add row stripe classes
			if (op.stripe) {
				TableKit.Rows.stripe(table);
			}
		}

		// Callback afterInit		
		var eventName = "afterInit";
		var callbackfunction = TableKit.option(eventName, table.id);	
		if(callbackfunction[eventName]) {
			callbackfunction[eventName](table.id);
		}
	},
	defaultheader : function(table, index, order) {
		var cell;
		if(typeof index === 'number') {
			if(!table || (table.tagName && table.tagName !== "TABLE")) {
				return;
			}
			table = $(table);
			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) : cell.up('table');
			index = TableKit.getCellIndex(cell);
		}
		var op = TableKit.option('noSortClass descendingClass ascendingClass defaultPaddingRight defaultSortPaddingRight', table.id);
		
		if(cell.hasClassName(op.noSortClass)) {return;}	
	
		var hcells = TableKit.getHeaderCells(null, cell);
		$A(hcells).each(function(c,i){
			c = $(c);
			c.removeClassName(op.ascendingClass);
			c.removeClassName(op.descendingClass);
			c.setStyle({'padding-right': op.defaultPaddingRight});
			if (c.align == "right") {;
				c.setStyle({'padding-left': op.defaultSortPaddingRight});
			}
			if(index === i) {
				if(order === 1) {
					c.addClassName(op.ascendingClass);
				} else {
					c.addClassName(op.descendingClass);
				}
				if (c.align == "right") {;
					c.setStyle({'padding-left': op.defaultPaddingRight});
					c.setStyle({'padding-right': op.defaultSortPaddingRight});
				}
			}
		});
	},	
	reset : function(table) {
		table = $(table);
		var cells = TableKit.getHeaderCells(table);
		var op = TableKit.option('noSortClass columnClass', table.id);
		cells.each(function(c){
			c = $(c);
			if(!c.hasClassName(op.noSortClass)) {
				Event.stopObserving(c, 'mousedown', TableKit.Sortable._sort);
				c.removeClassName(op.columnClass);
			}
		});
		TableKit.resetCells(table);
	},
	reload : function(table) {
		table = $(table);
		var cells = TableKit.getHeaderCells(table);
		var op = TableKit.option('noSortClass columnClass', table.id);
		cells.each(function(c){
			c = $(c);
			if(!c.hasClassName(op.noSortClass)) {
				Event.stopObserving(c, 'mousedown', TableKit.Sortable._sort);
				c.removeClassName(op.columnClass);
			}
		});
		TableKit.Sortable.init(table);
	},
	_sort : function(e) {
		e = TableKit.e(e);
		Event.stop(e);
		var cell = Event.element(e);
		while(!(cell.tagName && cell.tagName.match(/td|th/gi))) {
			cell = cell.parentNode;
		}
		TableKit.Sortable.sort(null, cell);
	},
	sort : function(table, index, order) {
		var cell;
		if(typeof index === 'number') {
			if(!table || (table.tagName && table.tagName !== "TABLE")) {
				return;
			}
			table = $(table);
			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) : cell.up('table');
			index = TableKit.getCellIndex(cell);
		}
		var op = TableKit.option('stripe noSortClass descendingClass ascendingClass defaultPaddingRight defaultSortPaddingRight', table.id);
		
		if(cell.hasClassName(op.noSortClass)) {return;}	
				
		if(cell.hasClassName(op.ascendingClass) || cell.hasClassName(op.descendingClass)) {
			order = order ? order : (cell.hasClassName(op.descendingClass) ? 1 : -1);
		} else {
			order = 1;
		}
		
		//order = order ? order : (cell.hasClassName(op.descendingClass) ? 1 : -1);
		var rows = TableKit.getBodyRows(table);

		if(cell.hasClassName(op.ascendingClass) || cell.hasClassName(op.descendingClass)) {
			rows.reverse(); // if it was already sorted we just need to reverse it.
		} else {
			var datatype = TableKit.Sortable.getDataType(cell,index,table);
			var tkst = TableKit.Sortable.types;
			rows.sort(function(a,b) {
				return order * tkst[datatype].compare(TableKit.getCellText(a.cells[index]),TableKit.getCellText(b.cells[index]));
			});
		}
		var tb = table.tBodies[0];
		rows.each(function(r,i) {
			tb.appendChild(r);
		});
		if (op.stripe) {
			TableKit.Rows.stripe(table);
		}
		var hcells = TableKit.getHeaderCells(null, cell);
		$A(hcells).each(function(c,i){
			c = $(c);
			c.removeClassName(op.ascendingClass);
			c.removeClassName(op.descendingClass);
			c.setStyle({'padding-right': op.defaultPaddingRight});
			if (c.align == "right") {;
				c.setStyle({'padding-left': op.defaultSortPaddingRight});
			}
			if(index === i) {
				if(order === 1) {
					c.addClassName(op.ascendingClass);
				} else {
					c.addClassName(op.descendingClass);
				}
				if (c.align == "right") {;
					c.setStyle({'padding-left': op.defaultPaddingRight});
					c.setStyle({'padding-right': op.defaultSortPaddingRight});
				}
			}
		});
		
		// Callback afterInit		
		var eventName = "afterSort";
		var callbackfunction = TableKit.option(eventName, table.id);	
		if(callbackfunction[eventName]) {
			callbackfunction[eventName](table.id, cell.id, order);
		}
	},
	types : {},
	detectors : [],
	addSortType : function() {
		$A(arguments).each(function(o){
			TableKit.Sortable.types[o.name] = o;
		});
	},
	getDataType : function(cell,index,table) {
		cell = $(cell);
		index = (index || index === 0) ? index : TableKit.getCellIndex(cell);
		
		var colcache = TableKit.Sortable._coltypecache;
		var cache = colcache[table.id] ? colcache[table.id] : (colcache[table.id] = {});
		
		if(!cache[index]) {
			var t = '';
			// first look for a data type id on the heading row cell
			if(cell.id && TableKit.Sortable.types[cell.id]) {
				t = cell.id;
			}
			t = cell.classNames().detect(function(n){ // then look for a data type classname on the heading row cell
				return (TableKit.Sortable.types[n]) ? true : false;
			});
			if(!t) {
				var rows = TableKit.getBodyRows(table);
				cell = rows[0].cells[index]; // grab same index cell from body row to try and match data type
				t = TableKit.Sortable.detectors.detect(
						function(d){
							return TableKit.Sortable.types[d].detect(TableKit.getCellText(cell));
						});
			}
			cache[index] = t;
		}
		return cache[index];
	},
	_coltypecache : {
	}
};

TableKit.Sortable.detectors = $A($w('date-iso date date-eu time currency datasize number text')); // setting it here because Safari complained when I did it above...

TableKit.Sortable.Type = Class.create();
TableKit.Sortable.Type.prototype = {
	initialize : function(name, options){
		this.name = name;
		options = Object.extend({
			normal : function(v){
				return v;
			},
			pattern : /.*/
		}, options || {});
		this.normal = options.normal;
		this.pattern = options.pattern;
		if(options.compare) {
			this.compare = options.compare;
		}
		if(options.detect) {
			this.detect = options.detect;
		}
	},
	compare : function(a,b){
		return TableKit.Sortable.Type.compare(this.normal(a), this.normal(b));
	},
	detect : function(v){
		return this.pattern.test(v);
	}
};

TableKit.Sortable.Type.compare = function(a,b) {
	return a < b ? -1 : a === b ? 0 : 1;
};

TableKit.Sortable.addSortType(
	new TableKit.Sortable.Type('number', {
		pattern : /^[-+]?[\d]*(\.|,)?[\d]+(?:[eE][-+]?[\d]+)?/,
		normal : function(v) {
			// 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.
			v = v.replace(',', '.').replace(':', '.').replace(' ', '');
			v = parseFloat(v.replace(/^.*?([-+]?[\d]*\.?[\d]+(?:[eE][-+]?[\d]+)?).*$/,"$1"));
			return isNaN(v) ? 0 : v;
		}}),
	new TableKit.Sortable.Type('text',{
		normal : function(v) {
			return v ? v.toLowerCase() : '';
		}}),
	new TableKit.Sortable.Type('datasize',{
		pattern : /^[-+]?[\d]*\.?[\d]+(?:[eE][-+]?[\d]+)?\s?[k|m|g|t]b$/i,
		normal : 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() : '';
			var result = b;
			switch(m) {
				case  'k':
					result = b * 1024;
					break;
				case  'm':				
					result = b * 1024 * 1024;
					break;
				case  'g':
					result = b * 1024 * 1024 * 1024;
					break;
				case  't':
					result = b * 1024 * 1024 * 1024 * 1024;
					break;
			}
			return result;
		}}),
	new TableKit.Sortable.Type('date-us',{
		pattern : /^\d{2}\/\d{2}\/\d{4}\s?(?:\d{1,2}\:\d{2}(?:\:\d{2})?\s?[a|p]?m?)?/i,
		normal : function(v) {
			if(!this.pattern.test(v)) {return 0;}
			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],10)-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],10) + 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();
		}}),
	new TableKit.Sortable.Type('date-eu',{
		pattern : /^\d{2}-\d{2}-\d{4}/i,
		normal : function(v) {
			if(!this.pattern.test(v)) {return 0;}
			var r = v.match(/^(\d{2})-(\d{2})-(\d{4})/);
			var yr_num = r[3];
			var mo_num = parseInt(r[2],10)-1;
			var day_num = r[1];
			return new Date(yr_num, mo_num, day_num).valueOf();
		}}),
	new TableKit.Sortable.Type('date-iso',{
		pattern : /[\d]{4}-[\d]{2}-[\d]{2}(?:T[\d]{2}\:[\d]{2}(?:\:[\d]{2}(?:\.[\d]+)?)?(Z|([-+][\d]{2}:[\d]{2})?)?)?/, // 2005-03-26T19:51:34Z
		normal : function(v) {
			if(!this.pattern.test(v)) {return 0;}
		    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();
		}}),
	new TableKit.Sortable.Type('date',{
		pattern: /^(?:sun|mon|tue|wed|thu|fri|sat)\,\s\d{1,2}\s(?:jan|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, //Mon, 18 Dec 1995 17:28:35 GMT
		compare : function(a,b) { // must be standard javascript date format
			if(a && b) {
				return TableKit.Sortable.Type.compare(new Date(a),new Date(b));
			} else {
				return TableKit.Sortable.Type.compare(a ? 1 : 0, b ? 1 : 0);
			}
		}}),
	new TableKit.Sortable.Type('time',{
		pattern : /^\d{1,2}\:\d{2}(?:\:\d{2})?(?:\s[a|p]m)?$/i,
		compare : function(a,b) {
			var d = new Date();
			var ds = d.getMonth() + "/" + d.getDate() + "/" + d.getFullYear() + " ";
			return TableKit.Sortable.Type.compare(new Date(ds + a),new Date(ds + b));
		}}),
	new TableKit.Sortable.Type('currency',{
		pattern : /^[$£¥€¤]/, // dollar,pound,yen,euro,generic currency symbol
		normal : function(v) {
			return v ? parseFloat(v.replace(/[^-\d\.]/g,'')) : 0;
		}})
);

/*
TableKit.Bench = {
	bench : [],
	start : function(){
		TableKit.Bench.bench[0] = new Date().getTime();
	},
	end : function(s){
		TableKit.Bench.bench[1] = new Date().getTime();
		alert(s + ' ' + ((TableKit.Bench.bench[1]-TableKit.Bench.bench[0])/1000)+' seconds.') //console.log(s + ' ' + ((TableKit.Bench.bench[1]-TableKit.Bench.bench[0])/1000)+' seconds.')
		TableKit.Bench.bench = [];
	}
} */

if(window.FastInit) {
	FastInit.addOnLoad(TableKit.load);
} else {
	Event.observe(window, 'load', TableKit.load);
}