tablesorter/js/widgets/widget-scroller.js

263 lines
8.9 KiB
JavaScript
Raw Normal View History

2013-04-08 05:40:39 +00:00
/*!
Copyright (C) 2011 T. Connell & Associates, Inc.
Dual-licensed under the MIT and GPL licenses
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.
Resizable scroller widget for the jQuery tablesorter plugin
2015-02-07 06:46:44 +00:00
Version 2.0 - modified by Rob Garrison 4/12/2013; updated 2/7/2015 (v2.19.0)
Requires jQuery v1.7+
Requires the tablesorter plugin, v2.8+, available at http://mottie.github.com/tablesorter/docs/
2013-04-08 05:40:39 +00:00
Usage:
$(function() {
$('table.tablesorter').tablesorter({
widgets: ['zebra', 'scroller'],
widgetOptions : {
scroller_height : 300, // height of scroll window
scroller_barWidth : 18, // scroll bar width
2013-04-08 05:40:39 +00:00
scroller_jumpToHeader : true, // header snap to browser top when scrolling the tbody
}
});
});
Website: www.tconnell.com
*/
/*jshint browser:true, jquery:true, unused:false */
;(function($, window){
2013-04-08 05:40:39 +00:00
"use strict";
$.fn.hasScrollBar = function(){
return this.get(0).scrollHeight > this.height();
};
var ts = $.tablesorter;
2013-04-08 05:40:39 +00:00
ts.window_resize = function(){
2013-04-08 05:40:39 +00:00
if (this.resize_timer) {
clearTimeout(this.resize_timer);
2013-04-08 05:40:39 +00:00
}
this.resize_timer = setTimeout(function(){
$(this).trigger('resizeEnd');
}, 250);
};
// Add extra scroller css
$(function(){
var s = '<style>' +
'.tablesorter-scrollbar-measure { width: 100px; height: 100px; overflow: scroll; position: absolute; top: -9999px; } ' +
'.tablesorter-scroller-reset { width: auto !important; } ' +
'.tablesorter-scroller { text-align: left; overflow: hidden; }' +
'.tablesorter-scroller-header { overflow: hidden; }' +
2013-04-08 05:40:39 +00:00
'.tablesorter-scroller-header table.tablesorter { margin-bottom: 0; }' +
'.tablesorter-scroller-table { overflow-y: scroll; }' +
'.tablesorter-scroller-table table.tablesorter { margin-top: 0; overflow: scroll; } ' +
2013-04-08 05:40:39 +00:00
'.tablesorter-scroller-table .tablesorter-filter-row, .tablesorter-scroller-table tfoot { display: none; }' +
'.tablesorter-scroller-table table.tablesorter thead tr.tablesorter-headerRow * {' +
'line-height:0;height:0;border:none;background-image:none;padding-top:0;padding-bottom:0;margin-top:0;margin-bottom:0;overflow:hidden;' +
'}</style>';
$(s).appendTo('body');
});
ts.addWidget({
2013-04-08 05:40:39 +00:00
id: 'scroller',
priority: 60, // run after the filter widget
options: {
scroller_height : 300,
scroller_jumpToHeader: true,
scroller_upAfterSort: true,
// bar width is now calculated; set a value to override
scroller_barWidth : null
2013-04-08 05:40:39 +00:00
},
init: function(table, thisWidget, c, wo){
var $win = $(window),
namespace = c.namespace + 'tsscroller';
// Setup window.resizeEnd event
2013-04-08 05:40:39 +00:00
$win
.bind('resize' + namespace, ts.window_resize)
.bind('resizeEnd' + namespace, function() {
2013-04-08 05:40:39 +00:00
// init is run before format, so scroller_resizeWidth
// won't be defined within the "c" or "wo" parameters
if ($.isFunction(table.config.widgetOptions.scroller_resizeWidth)) {
// IE calls resize when you modify content, so we have to unbind the resize event
// so we don't end up with an infinite loop. we can rebind after we're done.
$win.unbind('resize' + namespace, ts.window_resize);
2013-04-08 05:40:39 +00:00
table.config.widgetOptions.scroller_resizeWidth();
$win.bind('resize' + namespace, ts.window_resize);
2013-04-08 05:40:39 +00:00
}
});
},
format: function(table, c, wo) {
var maxHt, tbHt, $hdr, resize, getBarWidth, $cells,
// c.namespace contains a unique tablesorter ID, per table
id = c.namespace.slice(1) + 'tsscroller',
2013-04-08 05:40:39 +00:00
$win = $(window),
2014-04-21 00:39:59 +00:00
$tbl = c.$table;
2013-04-08 05:40:39 +00:00
if (!c.isScrolling) {
maxHt = wo.scroller_height || 300;
tbHt = $tbl.children('tbody').height();
if (tbHt !== 0 && maxHt > tbHt) { maxHt = tbHt + 10; } // Table is less than h px
$hdr = $('<table class="' + $tbl.attr('class') + '" cellpadding=0 cellspacing=0>' +
'<thead>' + $tbl.find('thead:first').html() + '</thead>' +
'</table>');
if (c.$extraTables && c.$extraTables.length) {
c.$extraTables = c.$extraTables.add($hdr);
} else {
c.$extraTables = $hdr;
}
2013-04-08 05:40:39 +00:00
$tbl
.wrap('<div id="' + id + '" class="tablesorter-scroller" />')
2013-04-08 05:40:39 +00:00
.before($hdr)
// shrink filter row but don't completely hide it because the inputs/selectors may distort the columns
2013-04-08 05:40:39 +00:00
.find('.tablesorter-filter-row').addClass('hideme');
$cells = $hdr
.wrap('<div class="tablesorter-scroller-header" style="width:' + $tbl.width() + ';" />')
.find('.' + ts.css.header);
2013-04-08 05:40:39 +00:00
// use max-height, so the height resizes dynamically while filtering
$tbl.wrap('<div class="tablesorter-scroller-table" style="max-height:' + maxHt + 'px;width:' + $tbl.width() + ';" />');
2013-04-08 05:40:39 +00:00
// make scroller header sortable
ts.bindEvents(table, $cells);
2013-04-08 05:40:39 +00:00
// look for filter widget
if ($tbl.hasClass('hasFilters')) {
ts.filter.bindSearch( $tbl, $hdr.find('.' + ts.css.filter) );
}
2013-04-08 05:40:39 +00:00
// modified from http://davidwalsh.name/detect-scrollbar-width
getBarWidth = function(){
var $scrollDiv = $('<div class="tablesorter-scrollbar-measure">').appendTo('body'),
div = $scrollDiv[0],
barWidth = div.offsetWidth - div.clientWidth;
$scrollDiv.remove();
return barWidth;
};
2013-04-08 05:40:39 +00:00
resize = function(){
var d, b, $h, $th, w,
// Hide other scrollers so we can resize
$div = $('div.tablesorter-scroller[id != "' + id + '"]').hide();
2013-04-08 05:40:39 +00:00
$tbl.children('thead').show();
// only remove colgroup if it was added by the plugin
2015-02-07 06:46:44 +00:00
// the $.tablesorter.fixColumnWidth() function already does this (v2.19.0)
// but we need to get "accurate" resized measurements here - see issue #680
$tbl.children('colgroup.tablesorter-colgroup').remove();
$hdr.children('colgroup').remove();
2013-04-08 05:40:39 +00:00
// Reset sizes so parent can resize.
2013-04-08 05:40:39 +00:00
$tbl
.addClass('tablesorter-scroller-reset')
.children('thead')
.find('.tablesorter-header-inner').addClass('tablesorter-scroller-reset').end()
.find('.tablesorter-filter-row').show();
2013-04-08 05:40:39 +00:00
d = $tbl.parent();
d.addClass('tablesorter-scroller-reset');
2013-04-08 05:40:39 +00:00
d.parent().trigger('resize');
// include left & right border widths
b = parseInt( $tbl.css('border-left-width'), 10 ) + parseInt( $tbl.css('border-right-width'), 10 );
2013-04-08 05:40:39 +00:00
// Shrink a bit to accommodate scrollbar
w = ( wo.scroller_barWidth || getBarWidth() ) + b;
d.width( d.parent().innerWidth() - ( d.parent().hasScrollBar() ? w : 0 ) );
w = d.innerWidth() - ( d.hasScrollBar() ? w : 0 );
$tbl.width( w );
$hdr.width( w );
$hdr.parent().width( w );
2013-04-08 05:40:39 +00:00
$tbl
.closest('.tablesorter-scroller')
.find('.tablesorter-scroller-reset')
.removeClass('tablesorter-scroller-reset');
$h = $hdr.find('thead').children().children();
// adjust cloned header to match original table width - includes wrappers, headers, and header inner div
$tbl.children('thead').children().children().each(function(i, c){
$th = $(c).find('.tablesorter-header-inner');
if ($th.length) {
// I have no idea why this is in here anymore LOL
w = parseInt( $th.css('min-width').replace('auto', '0').replace(/(px|em)/, ''), 10 );
if ( $th.width() < w ) {
$th.width(w);
} else {
w = $th.width();
}
$h.eq(i)
.parent()
2014-06-18 21:07:29 +00:00
.width( $th.parent().width() - b );
2013-04-08 05:40:39 +00:00
}
});
// refresh colgroup & copy to cloned header
$.tablesorter.fixColumnWidth( table );
$h = $tbl.children('colgroup').clone();
if ($h.length) {
$hdr.prepend($h);
}
// hide filter row because filterEnd event fires
$tbl.children('thead').find('.tablesorter-filter-row').hide();
2013-04-08 05:40:39 +00:00
$div.show();
};
// Expose to external calls
2013-04-08 05:40:39 +00:00
wo.scroller_resizeWidth = resize;
resize();
$tbl.find('thead').css('visibility', 'hidden');
c.isScrolling = true;
tbHt = $tbl.parent().parent().height();
2013-04-08 05:40:39 +00:00
// The header will always jump into view if scrolling the table body
$tbl.parent().bind('scroll', function(){
if (wo.scroller_jumpToHeader) {
var pos = $win.scrollTop() - $hdr.offset().top;
if ($(this).scrollTop() !== 0 && pos < tbHt && pos > 0) {
2013-04-08 05:40:39 +00:00
$win.scrollTop( $hdr.offset().top );
}
}
$hdr.parent().scrollLeft( $(this).scrollLeft() );
2013-04-08 05:40:39 +00:00
});
}
// Sorting, so scroll to top
if (wo.scroller_upAfterSort) {
$tbl.parent().animate({ scrollTop: 0 }, 'fast');
}
2013-04-08 05:40:39 +00:00
},
remove : function(table, c){
var $table = c.$table,
namespace = c.namespace + 'tsscroller';
$table.closest('.tablesorter-scroller').find('.tablesorter-scroller-header').remove();
$table
.unwrap()
.find('.tablesorter-filter-row').removeClass('hideme').end()
.find('thead').show().css('visibility', 'visible');
$(window).unbind('resize' + namespace + ' resizeEnd' + namespace);
c.isScrolling = false;
2013-04-08 05:40:39 +00:00
}
});
2013-04-08 05:40:39 +00:00
})(jQuery, window);