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added stickyHeader_offset; fixes #294

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Mottie 2013-05-03 16:25:41 -05:00
parent 0d127da1a1
commit 2274580ebf
1 changed files with 17 additions and 13 deletions
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30
js/jquery.tablesorter.widgets.js
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@ -745,6 +745,7 @@ ts.addWidget({
priority: 60, priority: 60,
options: { options: {
stickyHeaders: 'tablesorter-stickyHeader', stickyHeaders: 'tablesorter-stickyHeader',
stickyHeaders_offset : 0, // number or jquery selector targeting the position:fixed element
stickyHeaders_cloneId: '-sticky' // added to table ID, if it exists stickyHeaders_cloneId: '-sticky' // added to table ID, if it exists
}, },
format: function(table, c, wo){ format: function(table, c, wo){
@ -756,21 +757,24 @@ ts.addWidget({
innr = '.tablesorter-header-inner', innr = '.tablesorter-header-inner',
tfoot = $t.find('tfoot'), tfoot = $t.find('tfoot'),
filterInputs = 'input, select', filterInputs = 'input, select',
t2 = wo.$sticky = $t.clone() $stickyOffset = isNaN(wo.stickyHeaders_offset) ? $(wo.stickyHeaders_offset) : 0,
stickyOffset = $stickyOffset.length ? $stickyOffset.height() || 0 : wo.stickyHeaders_offset,
$stickyTable = wo.$sticky = $t.clone()
.addClass('containsStickyHeaders') .addClass('containsStickyHeaders')
.css({ .css({
position : 'fixed', position : 'fixed',
margin : 0, margin : 0,
top : 0, top : stickyOffset,
visibility : 'hidden', visibility : 'hidden',
zIndex : 1 zIndex : 2
}), }),
stkyHdr = t2.children('thead:first').addClass(wo.stickyHeaders), stkyHdr = $stickyTable.children('thead:first').addClass(wo.stickyHeaders),
stkyCells, stkyCells,
laststate = '', laststate = '',
spacing = 0, spacing = 0,
flag = false, flag = false,
resizeHdr = function(){ resizeHdr = function(){
stickyOffset = $stickyOffset.length ? $stickyOffset.height() || 0 : wo.stickyHeaders_offset;
var bwsr = navigator.userAgent; var bwsr = navigator.userAgent;
spacing = 0; spacing = 0;
// yes, I dislike browser sniffing, but it really is needed here :( // yes, I dislike browser sniffing, but it really is needed here :(
@ -780,7 +784,7 @@ ts.addWidget({
// update border-spacing here because of demos that switch themes // update border-spacing here because of demos that switch themes
spacing = parseInt(hdrCells.eq(0).css('border-left-width'), 10) * 2; spacing = parseInt(hdrCells.eq(0).css('border-left-width'), 10) * 2;
} }
t2.css({ $stickyTable.css({
left : header.offset().left - win.scrollLeft() - spacing, left : header.offset().left - win.scrollLeft() - spacing,
width: $t.width() width: $t.width()
}); });
@ -795,13 +799,13 @@ ts.addWidget({
}); });
}; };
// fix clone ID, if it exists - fixes #271 // fix clone ID, if it exists - fixes #271
if (t2.attr('id')) { t2[0].id += wo.stickyHeaders_cloneId; } if ($stickyTable.attr('id')) { $stickyTable[0].id += wo.stickyHeaders_cloneId; }
// clear out cloned table, except for sticky header // clear out cloned table, except for sticky header
// include caption & filter row (fixes #126 & #249) // include caption & filter row (fixes #126 & #249)
t2.find('thead:gt(0), tr.sticky-false, tbody, tfoot').remove(); $stickyTable.find('thead:gt(0), tr.sticky-false, tbody, tfoot').remove();
// issue #172 - find td/th in sticky header // issue #172 - find td/th in sticky header
stkyCells = stkyHdr.children().children(); stkyCells = stkyHdr.children().children();
t2.css({ height:0, width:0, padding:0, margin:0, border:0 }); $stickyTable.css({ height:0, width:0, padding:0, margin:0, border:0 });
// remove resizable block // remove resizable block
stkyCells.find('.tablesorter-resizer').remove(); stkyCells.find('.tablesorter-resizer').remove();
// update sticky header class names to match real header after sorting // update sticky header class names to match real header after sorting
@ -843,17 +847,17 @@ ts.addWidget({
} }
}); });
// add stickyheaders AFTER the table. If the table is selected by ID, the original one (first) will be returned. // add stickyheaders AFTER the table. If the table is selected by ID, the original one (first) will be returned.
$t.after( t2 ); $t.after( $stickyTable );
// make it sticky! // make it sticky!
win win
.bind('scroll.tsSticky resize.tsSticky', function(e){ .bind('scroll.tsSticky resize.tsSticky', function(e){
if (!$t.is(':visible')) { return; } // fixes #278 if (!$t.is(':visible')) { return; } // fixes #278
var pre = 'tablesorter-sticky-', var pre = 'tablesorter-sticky-',
offset = $t.offset(), offset = $t.offset(),
sTop = win.scrollTop(), sTop = win.scrollTop() + stickyOffset,
tableHt = $t.height() - (t2.height() + (tfoot.height() || 0)), tableHt = $t.height() - ($stickyTable.height() + (tfoot.height() || 0)),
vis = (sTop > offset.top) && (sTop < offset.top + tableHt) ? 'visible' : 'hidden'; vis = (sTop > offset.top) && (sTop < offset.top + tableHt) ? 'visible' : 'hidden';
t2 $stickyTable
.removeClass(pre + 'visible ' + pre + 'hidden') .removeClass(pre + 'visible ' + pre + 'hidden')
.addClass(pre + vis) .addClass(pre + vis)
.css({ .css({
@ -894,7 +898,7 @@ ts.addWidget({
.removeClass('hasStickyHeaders') .removeClass('hasStickyHeaders')
.unbind('sortEnd.tsSticky pagerComplete.tsSticky') .unbind('sortEnd.tsSticky pagerComplete.tsSticky')
.find('.' + wo.stickyHeaders).remove(); .find('.' + wo.stickyHeaders).remove();
if (wo.$sticky) { wo.$sticky.remove(); } // remove cloned thead if (wo.$sticky) { wo.$sticky.remove(); } // remove cloned table
$(window).unbind('scroll.tsSticky resize.tsSticky'); $(window).unbind('scroll.tsSticky resize.tsSticky');
} }
}); });