242 lines
7.5 KiB
JavaScript
242 lines
7.5 KiB
JavaScript
/*!
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Copyright (C) 2011 T. Connell & Associates, Inc.
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Dual-licensed under the MIT and GPL licenses
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Resizable scroller widget for the jQuery tablesorter plugin
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Version 2.0 - modified by Rob Garrison (4/12/2013)
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Requires jQuery, v1.2.3 or higher
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Requires the tablesorter plugin, v2.0 or higher, available at http://mottie.github.com/tablesorter/docs/
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Usage:
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$(function() {
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$('table.tablesorter').tablesorter({
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widgets: ['zebra', 'scroller'],
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widgetOptions : {
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scroller_height : 300, // height of scroll window
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scroller_barWidth : 17, // scroll bar width
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scroller_jumpToHeader : true, // header snap to browser top when scrolling the tbody
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scroller_idPrefix : 's_' // cloned thead id prefix (random number added to end)
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}
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});
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});
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Website: www.tconnell.com
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*/
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/*jshint browser:true, jquery:true, unused:false */
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;(function($){
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"use strict";
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$.fn.hasScrollBar = function(){
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return this.get(0).scrollHeight > this.height();
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};
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var ts = $.tablesorter;
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ts.window_resize = function(){
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if (this.resize_timer) {
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clearTimeout(this.resize_timer);
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}
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this.resize_timer = setTimeout(function(){
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$(this).trigger('resizeEnd');
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}, 250);
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};
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// Add extra scroller css
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$(function(){
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var s = '<style>' +
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'.tablesorter-scroller-header table.tablesorter { margin-bottom: 0; }' +
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'.tablesorter-scroller-table table.tablesorter { margin-top: 0; } ' +
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'.tablesorter-scroller-table .tablesorter-filter-row, .tablesorter-scroller-table tfoot { display: none; }' +
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'.tablesorter-scroller-table table.tablesorter thead tr.tablesorter-headerRow * {' +
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'line-height:0;height:0;border:none;background-image:none;padding-top:0;padding-bottom:0;margin-top:0;margin-bottom:0;overflow:hidden;' +
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'}</style>';
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$(s).appendTo('body');
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});
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ts.addWidget({
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id: 'scroller',
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priority: 60, // run after the filter widget
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options: {
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scroller_height : 300,
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scroller_barWidth : 17,
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scroller_jumpToHeader: true,
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scroller_idPrefix : 's_'
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},
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init: function(table, thisWidget, c, wo){
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var $win = $(window);
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//Setup window.resizeEnd event
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$win
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.bind('resize', ts.window_resize)
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.bind('resizeEnd', function(e) {
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// init is run before format, so scroller_resizeWidth
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// won't be defined within the "c" or "wo" parameters
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if (typeof table.config.widgetOptions.scroller_resizeWidth === 'function') {
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//IE calls resize when you modify content, so we have to unbind the resize event
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//so we don't end up with an infinite loop. we can rebind after we're done.
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$win.unbind('resize', ts.window_resize);
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table.config.widgetOptions.scroller_resizeWidth();
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$win.bind('resize', ts.window_resize);
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}
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});
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},
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format: function(table, c, wo) {
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var h, $hdr, id, t, resize, $cells,
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$win = $(window),
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$tbl = c.$table,
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flag = false,
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filterInputs = 'input, select';
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if (!c.isScrolling) {
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h = wo.scroller_height || 300;
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t = $tbl.find('tbody').height();
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if (t !== 0 && h > t) { h = t + 10; } // Table is less than h px
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id = wo.scroller_id = wo.scroller_idPrefix + Math.floor(Math.random() * 101);
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$hdr = $('<table class="' + $tbl.attr('class') + '" cellpadding=0 cellspacing=0><thead>' + $tbl.find('thead:first').html() + '</thead></table>');
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$tbl
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.wrap('<div id="' + id + '" class="tablesorter-scroller" style="text-align:left;" />')
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.before($hdr)
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.find('.tablesorter-filter-row').addClass('hideme');
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$cells = $hdr
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.wrap('<div class="tablesorter-scroller-header" style="width:' + $tbl.width() + ';" />')
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.find('.' + ts.css.header)
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.bind('mousedown', function(){
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this.onselectstart = function(){ return false; };
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return false;
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});
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$tbl
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.wrap('<div class="tablesorter-scroller-table" style="height:' + h + 'px;width:' + $tbl.width() + ';overflow-y:scroll;" />')
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.unbind('sortEnd.tsScroller')
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.bind('sortEnd.tsScroller', function(){
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c.$headers.each(function(i){
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var t = $cells.eq(i);
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t
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.attr('class', $(this).attr('class'))
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// remove processing icon
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.removeClass(ts.css.processing + ' ' + c.cssProcessing);
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if (ts.css.icon){
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t
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.find('.' + ts.css.icon)
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.attr('class', $(this).find('.' + ts.css.icon).attr('class'));
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}
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});
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});
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// make scroller header sortable
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c.$headers.find(c.selectorSort).add( c.$headers.filter(c.selectorSort) ).each(function(i){
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var t = $(this);
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$cells.eq(i)
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// clicking on new header will trigger a sort
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.bind('mouseup', function(e){
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t.trigger(e, true); // external mouseup flag (click timer is ignored)
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})
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// prevent header text selection
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.bind('mousedown', function(){
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this.onselectstart = function(){ return false; };
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return false;
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});
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});
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// look for filter widget
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$tbl.bind('filterEnd', function(){
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if (flag) { return; }
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$cells.each(function(i){
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$(this).find(filterInputs).val( c.$filters.find(filterInputs).eq(i).val() );
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});
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});
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$hdr.find(filterInputs).bind('keyup search', function(e){
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// ignore arrow and meta keys; allow backspace
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if ((e.which < 32 && e.which !== 8) || (e.which >= 37 && e.which <=40)) { return; }
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flag = true;
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var $f = $(this), col = $f.attr('data-column');
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c.$filters.find(filterInputs).eq(col)
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.val( $f.val() )
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.trigger('search');
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setTimeout(function(){
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flag = false;
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}, wo.filter_searchDelay);
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});
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resize = function(){
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var d,
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//Hide other scrollers so we can resize
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$div = $('div.scroller[id != "' + id + '"]').hide();
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$tbl.find('thead').show();
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//Reset sizes so parent can resize.
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$hdr
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.width(0)
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.parent().width(0)
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.find('th,td').width(0);
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$tbl
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.width(0)
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.find('thead').find('th,td').width(0);
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d = $tbl.parent();
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d.width(0);
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d.parent().trigger('resize');
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// Shrink a bit to accommodate scrollbar
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d.width( d.parent().innerWidth() - ( d.parent().hasScrollBar() ? wo.scroller_barWidth : 0 ) );
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$tbl.width( d.innerWidth() - ( d.hasScrollBar() ? wo.scroller_barWidth : 0 ) );
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$tbl.find('thead').find('th,td').filter(':visible').each(function(i, c){
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var $th = $(c),
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//Wrap in browser detect??
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w = parseInt( $th.css('min-width').replace('auto', '0').replace(/(px|em)/, ''), 10 );
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if ( $th.width() < w ) {
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$th.width(w);
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} else {
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w = $th.width();
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}
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$hdr.find('th,td').eq(i).width(w);
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});
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$hdr.width($tbl.innerWidth());
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$div.show();
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};
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//Expose to external calls
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wo.scroller_resizeWidth = resize;
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resize();
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$tbl.find('thead').css('visibility', 'hidden');
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c.isScrolling = true;
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t = $tbl.parent().parent().height();
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// The header will always jump into view if scrolling the table body
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$tbl.parent().bind('scroll', function(){
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if (wo.scroller_jumpToHeader) {
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var pos = $win.scrollTop() - $hdr.offset().top;
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if ($(this).scrollTop() !== 0 && pos < t && pos > 0) {
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$win.scrollTop( $hdr.offset().top );
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}
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}
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});
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}
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//Sorting, so scroll to top
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$tbl.parent().animate({ scrollTop: 0 }, 'fast');
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},
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remove : function(table, c, wo){
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}
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});
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})(jQuery);
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