(function($){$.fn.tableHeadFixer=function(param){return this.each(function(){table.call(this);});function table(){{var defaults={head:true,foot:false,left:0,right:0,'z-index':0,};var settings=$.extend({},defaults,param);settings.table=this;settings.parent=$(settings.table).parent();setParent();if(settings.head==true){fixHead();}if(settings.foot==true){fixFoot();}if(settings.left>0){fixLeft();}if(settings.right>0){fixRight();}setCorner();$(settings.parent).trigger('scroll');$(window).resize(function(){$(settings.parent).trigger('scroll');});function setCorner(){var table=$(settings.table);if(settings.head){if(settings.left>0){var tr=table.find('thead tr');tr.each(function(k,row){solverLeftColspan(row,function(cell){$(cell).css('z-index',settings['z-index']+1);});});}if(settings.right>0){var tr=table.find('thead tr');tr.each(function(k,row){solveRightColspan(row,function(cell){$(cell).css('z-index',settings['z-index']+1);});});}}if(settings.foot){if(settings.left>0){var tr=table.find('tfoot tr');tr.each(function(k,row){solverLeftColspan(row,function(cell){$(cell).css('z-index',settings['z-index']);});});}if(settings.right>0){var tr=table.find('tfoot tr');tr.each(function(k,row){solveRightColspan(row,function(cell){$(cell).css('z-index',settings['z-index']);});});}}}function setParent(){var parent=$(settings.parent);var table=$(settings.table);parent.append(table);parent.css({'overflow-x':'auto','overflow-y':'auto',});parent.scroll(function(){var scrollWidth=parent[0].scrollWidth;var clientWidth=parent[0].clientWidth;var scrollHeight=parent[0].scrollHeight;var clientHeight=parent[0].clientHeight;var top=parent.scrollTop();var left=parent.scrollLeft();if(settings.head){this.find('thead tr > *').css('top',top);}if(settings.foot){this.find('tfoot tr > *').css('bottom',scrollHeight-clientHeight-top);}if(settings.left>0){settings.leftColumns.css('left',left);}if(settings.right>0){settings.rightColumns.css('right',scrollWidth-clientWidth-left);}}.bind(table));}function fixHead(){var thead=$(settings.table).find('thead');var tr=thead.find('tr');var cells=thead.find('tr > *');setBackground(cells);cells.css({'position':'relative',});}function fixFoot(){var tfoot=$(settings.table).find('tfoot');var tr=tfoot.find('tr');var cells=tfoot.find('tr > *');setBackground(cells);cells.css({'position':'relative',});}function fixLeft(){var table=$(settings.table);settings.leftColumns=$();var tr=table.find('tr');tr.each(function(k,row){solverLeftColspan(row,function(cell){settings.leftColumns=settings.leftColumns.add(cell);});});var column=settings.leftColumns;column.each(function(k,cell){var cell=$(cell);setBackground(cell);cell.css({'position':'relative',});});}function fixRight(){var table=$(settings.table);var fixColumn=settings.right;settings.rightColumns=$();var tr=table.find('tr');tr.each(function(k,row){solveRightColspan(row,function(cell){settings.rightColumns=settings.rightColumns.add(cell);});});var column=settings.rightColumns;column.each(function(k,cell){var cell=$(cell);setBackground(cell);cell.css({'position':'relative',});});}function setBackground(elements){return false;elements.each(function(k,element){var element=$(element);var parent=$(element).parent();var elementBackground=element.css('background-color');elementBackground=(elementBackground=='transparent'||elementBackground=='rgba(0, 0, 0, 0)')?null:elementBackground;var parentBackground=parent.css('background-color');parentBackground=(parentBackground=='transparent'||parentBackground=='rgba(0, 0, 0, 0)')?null:parentBackground;var background=parentBackground?parentBackground:'white';background=elementBackground?elementBackground:background;element.css('background-color',background);});}function solverLeftColspan(row,action){var fixColumn=settings.left;var inc=1;for(var i=1;i<=fixColumn;i=i+inc){var nth=inc>1?i-1:i;var cell=$(row).find('> *:nth-child('+nth+')');var colspan=cell.prop('colspan');if(cell.cellPos().left<fixColumn){action(cell);}inc=colspan;}}function solveRightColspan(row,action){var fixColumn=settings.right;var inc=1;for(var i=1;i<=fixColumn;i=i+inc){var nth=inc>1?i-1:i;var cell=$(row).find('> *:nth-last-child('+nth+')');var colspan=cell.prop('colspan');action(cell);inc=colspan;}}}}};})(jQuery);(function($){function scanTable($table){var m=[];$table.children('tr').each(function(y,row){$(row).children('td, th').each(function(x,cell){var $cell=$(cell),cspan=$cell.attr('colspan')|0,rspan=$cell.attr('rowspan')|0,tx,ty;cspan=cspan?cspan:1;rspan=rspan?rspan:1;for(;m[y]&&m[y][x];++x){}for(tx=x;tx<x+cspan;++tx){for(ty=y;ty<y+rspan;++ty){if(!m[ty]){m[ty]=[];}m[ty][tx]=true;}}var pos={top:y,left:x};$cell.data('cellPos',pos);});});}$.fn.cellPos=function(rescan){var $cell=this.first(),pos=$cell.data('cellPos');if(!pos||rescan){var $table=$cell.closest('table, thead, tbody, tfoot');scanTable($table);}pos=$cell.data('cellPos');return pos;};})(jQuery);