mirror of
https://github.com/Mottie/tablesorter.git
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956 lines
33 KiB
JavaScript
956 lines
33 KiB
JavaScript
/*! Widget: scroller - updated 1/28/2017 (v2.28.5) *//*
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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
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LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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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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updated 3/5/2015 (v2.22.2) with lots of help from TheSin-
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Requires jQuery v1.7+
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Requires the tablesorter plugin, v2.8+, 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_jumpToHeader : true, // header snap to browser top when scrolling the tbody
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scroller_upAfterSort : true, // scroll tbody to top after sorting
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scroller_fixedColumns : 0 // set number of fixed columns
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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( $, window ) {
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'use strict';
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var ts = $.tablesorter,
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tscss = ts.css;
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$.extend( ts.css, {
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scrollerWrap : 'tablesorter-scroller',
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scrollerHeader : 'tablesorter-scroller-header',
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scrollerTable : 'tablesorter-scroller-table',
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scrollerFooter : 'tablesorter-scroller-footer',
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scrollerFixed : 'tablesorter-scroller-fixed',
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scrollerFixedPanel : 'tablesorter-scroller-fixed-panel',
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scrollerHasFix : 'tablesorter-scroller-has-fixed-columns',
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scrollerHideColumn : 'tablesorter-scroller-hidden-column',
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scrollerHideElement : 'tablesorter-scroller-hidden',
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scrollerSpacerRow : 'tablesorter-scroller-spacer',
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scrollerBarSpacer : 'tablesorter-scroller-bar-spacer',
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scrollerAddedHeight : 'tablesorter-scroller-added-height',
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scrollerHack : 'tablesorter-scroller-scrollbar-hack',
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// class name on table cannot start with 'tablesorter-' or the
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// suffix 'scroller-rtl' will match as a theme name
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scrollerRtl : 'ts-scroller-rtl'
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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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// pop table header into view while scrolling up the page
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scroller_jumpToHeader : true,
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// scroll tbody to top after sorting
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scroller_upAfterSort : true,
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// set number of fixed columns
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scroller_fixedColumns : 0,
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// add hover highlighting to the fixed column (disable if it causes slowing)
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scroller_rowHighlight : 'hover',
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// add a fixed column overlay for styling
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scroller_addFixedOverlay : false,
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// In tablesorter v2.19.0 the scroll bar width is auto-detected
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// add a value here to override the auto-detected setting
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scroller_barWidth : null
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},
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format : function( table, c, wo ) {
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if ( c.isScrolling ) {
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ts.scroller.resize( c, wo );
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} else {
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// initialize here instead of in widget init to give the
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// filter widget time to finish building the filter row
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ts.scroller.setup( c, wo );
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}
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},
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remove : function( table, c, wo ) {
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ts.scroller.remove( c, wo );
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}
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});
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/* Add window resizeEnd event (also used by columnSelector widget) */
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ts.window_resize = function() {
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if ( ts.timer_resize ) {
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clearTimeout( ts.timer_resize );
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}
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ts.timer_resize = setTimeout( function() {
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$( window ).trigger( 'resizeEnd' );
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}, 250 );
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};
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// Add extra scroller css
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$( function() {
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var style = '<style>' +
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/* overall wrapper & table section wrappers */
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'.' + tscss.scrollerWrap + ' { position: relative; overflow: hidden; }' +
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/* add border-box sizing to all scroller widget tables; see #135 */
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'.' + tscss.scrollerWrap + ' * { box-sizing: border-box; }' +
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'.' + tscss.scrollerHeader + ', .' + tscss.scrollerFooter + ' { position: relative; overflow: hidden; }' +
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'.' + tscss.scrollerHeader + ' table.' + tscss.table + ' { margin-bottom: 0; }' +
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/* always leave the scroll bar visible for tbody, or table overflows into the scrollbar
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when height < max height (filtering) */
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'.' + tscss.scrollerTable + ' { position: relative; overflow: auto; }' +
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'.' + tscss.scrollerTable + ' table.' + tscss.table +
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' { border-top: 0; margin-top: 0; margin-bottom: 0; overflow: hidden; }' +
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/* hide footer in original table */
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'.' + tscss.scrollerTable + ' tfoot, .' + tscss.scrollerHideElement + ', .' + tscss.scrollerHideColumn +
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' { display: none; }' +
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/*** fixed column ***/
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/* disable pointer-events on fixed column wrapper or the user can't interact with the horizontal scrollbar */
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'.' + tscss.scrollerFixed + ', .' + tscss.scrollerFixed + ' .' + tscss.scrollerFixedPanel +
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' { pointer-events: none; }' +
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/* enable pointer-events for fixed column children; see #135 & #878 */
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'.' + tscss.scrollerFixed + ' > div { pointer-events: all; }' +
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'.' + tscss.scrollerWrap + ' .' + tscss.scrollerFixed + ' { position: absolute; top: 0; z-index: 1; left: 0 } ' +
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'.' + tscss.scrollerWrap + ' .' + tscss.scrollerFixed + '.' + tscss.scrollerRtl + ' { left: auto; right: 0 } ' +
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/* add horizontal scroll bar; set to 'auto', see #135 */
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'.' + tscss.scrollerWrap + '.' + tscss.scrollerHasFix + ' > .' + tscss.scrollerTable + ' { overflow: auto; }' +
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/* need to position the tbody & tfoot absolutely to hide the scrollbar & move the footer
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below the horizontal scrollbar */
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'.' + tscss.scrollerFixed + ' .' + tscss.scrollerFooter + ' { position: absolute; bottom: 0; }' +
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/* hide fixed tbody scrollbar - see http://goo.gl/VsLe6n - set overflow to auto here for mousewheel scroll */
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'.' + tscss.scrollerFixed + ' .' + tscss.scrollerTable +
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' { position: relative; left: 0; overflow: auto; -ms-overflow-style: none; }' +
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'.' + tscss.scrollerFixed + ' .' + tscss.scrollerTable + '::-webkit-scrollbar { display: none; }' +
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/*** fixed column panel ***/
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'.' + tscss.scrollerWrap + ' .' + tscss.scrollerFixedPanel +
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' { position: absolute; top: 0; bottom: 0; z-index: 2; left: 0; right: 0; } ' +
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'</style>';
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$( 'head' ).append( style );
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});
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ts.scroller = {
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// Ugh.. Firefox misbehaves, so it needs to be detected
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isFirefox : navigator.userAgent.toLowerCase().indexOf( 'firefox' ) > -1,
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// old IE needs a wrap to hide the fixed column scrollbar; http://stackoverflow.com/a/24408672/145346
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isOldIE : document.all && !window.atob,
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isIE : ( document.all && !window.atob ) || navigator.appVersion.indexOf( 'Trident/' ) > 0,
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// http://stackoverflow.com/questions/7944460/detect-safari-browser - needed to position scrolling body
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// when the table is set up in RTL direction
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isSafari : navigator.userAgent.toLowerCase().indexOf( 'safari' ) > -1 &&
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navigator.userAgent.toLowerCase().indexOf( 'chrome' ) === -1,
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hasScrollBar : function( $target, checkWidth ) {
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if ( checkWidth ) {
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return $target.get(0).scrollWidth > $target.width();
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} else {
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return $target.get(0).scrollHeight > $target.height();
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}
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},
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setWidth : function( $el, width ) {
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$el.css({
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'width' : width,
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'min-width' : width,
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'max-width' : width
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});
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},
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// modified from http://davidwalsh.name/detect-scrollbar-width
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getBarWidth : function() {
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var $div = $( '<div>' ).css({
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'position' : 'absolute',
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'top' : '-9999px',
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'left' : 0,
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'width' : '100px',
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'height' : '100px',
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'overflow' : 'scroll',
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'visibility' : 'hidden'
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}).appendTo( 'body' ),
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div = $div[0],
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barWidth = div.offsetWidth - div.clientWidth;
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$div.remove();
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return barWidth;
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},
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setup : function( c, wo ) {
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var tbHt, $hdr, $t, $hCells, $fCells, $tableWrap, events, tmp, detectedWidth,
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$win = $( window ),
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tsScroller = ts.scroller,
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namespace = c.namespace + 'tsscroller',
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$foot = $(),
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// c.namespace contains a unique tablesorter ID, per table
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id = c.namespace.slice( 1 ) + 'tsscroller',
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$table = c.$table;
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// force config.widthFixed option - this helps maintain proper alignment across cloned tables
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c.widthFixed = true;
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wo.scroller_calcWidths = [];
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wo.scroller_saved = [ 0, 0 ];
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wo.scroller_isBusy = true;
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// set scrollbar width to one of the following (1) explicitly set scroller_barWidth option,
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// (2) detected scrollbar width or (3) fallback of 15px
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if ( wo.scroller_barWidth !== null ) {
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wo.scroller_barSetWidth = wo.scroller_barWidth;
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} else {
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detectedWidth = tsScroller.getBarWidth();
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wo.scroller_barSetWidth = detectedWidth !== null ? detectedWidth : 15;
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}
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tmp = $table.children( 'caption' );
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$hdr = $( '<table class="' + $table.attr( 'class' ) + '" cellpadding=0 cellspacing=0>' +
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( tmp.length ? tmp[ 0 ].outerHTML : '' ) +
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$table.children( 'thead' )[ 0 ].outerHTML + '</table>' );
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wo.scroller_$header = $hdr.addClass( c.namespace.slice( 1 ) + '_extra_table' );
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$t = $table.children( 'tfoot' );
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if ( $t.length ) {
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$foot = $( '<table class="' + $table.attr( 'class' ) +
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'" cellpadding=0 cellspacing=0 style="margin-top:0"></table>' )
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.addClass( c.namespace.slice( 1 ) + '_extra_table' )
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// maintain any bindings on the tfoot cells
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.append( $t.clone( true ) )
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.wrap( '<div class="' + tscss.scrollerFooter + '"/>' );
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$fCells = $foot.children( 'tfoot' ).eq( 0 ).children( 'tr' ).children();
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}
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wo.scroller_$footer = $foot;
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$table
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.wrap( '<div id="' + id + '" class="' + tscss.scrollerWrap + '" />' )
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.before( $hdr )
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// shrink filter row but don't completely hide it because the inputs/selectors may distort the columns
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.find( '.' + tscss.filterRow )
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.addClass( tscss.filterRowHide );
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wo.scroller_$container = $table.parent();
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if ( $foot.length ) {
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// $foot.parent() to include <div> wrapper
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$table.after( $foot.parent() );
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}
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$hCells = $hdr
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.wrap( '<div class="' + tscss.scrollerHeader + '" />' )
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.find( '.' + tscss.header );
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// if max-height is greater than 0 use max-height, so the height resizes dynamically while filtering
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// else let the table not have a vertical scroll
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$table.wrap( '<div class="' + tscss.scrollerTable +
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( wo.scroller_height > 0 ? '" style="max-height:' + wo.scroller_height + 'px;">' : '">' ) );
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$tableWrap = $table.parent();
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// make scroller header sortable
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ts.bindEvents( c.table, $hCells );
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// look for filter widget
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if ( $table.hasClass( 'hasFilters' ) ) {
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ts.filter.bindSearch( $table, $hdr.find( '.' + tscss.filter ) );
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}
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$table
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.children( 'thead, caption' )
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.addClass( tscss.scrollerHideElement );
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tbHt = $tableWrap.parent().height();
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// The header will always jump into view if scrolling the table body
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$tableWrap
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.off( 'scroll' + namespace )
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.on( 'scroll' + namespace, 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 ( $( this ).scrollTop() !== 0 && pos < tbHt && pos > 0 ) {
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$win.scrollTop( $hdr.offset().top );
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}
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}
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$hdr
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.parent()
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.add( $foot.parent() )
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.scrollLeft( $( this ).scrollLeft() );
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});
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// resize/update events - filterEnd fires after "tablesorter-initialized" and "updateComplete"
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events = ( ( ts.hasWidget( c.table, 'filter' ) ? 'filterEnd' : 'tablesorter-initialized updateComplete' ) +
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' sortEnd pagerComplete columnUpdate ' ).split( ' ' ).join( namespace + ' ' );
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$table
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.off( namespace )
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.on( 'sortEnd filterEnd'.split( ' ' ).join( namespace + ' ' ), function( event ) {
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// Sorting, so scroll to top
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if ( event.type === 'sortEnd' && wo.scroller_upAfterSort ) {
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$tableWrap.animate({
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scrollTop : 0
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}, 'fast' );
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} else if ( wo.scroller_fixedColumns ) {
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setTimeout( function() {
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// restore previous scroll position
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$tableWrap
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.scrollTop( wo.scroller_saved[1] )
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.scrollLeft( wo.scroller_saved[0] );
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tsScroller.updateFixed( c, wo );
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}, 0 );
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}
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})
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.on( 'setFixedColumnSize' + namespace, function( event, size ) {
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var $wrap = wo.scroller_$container;
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if ( typeof size !== 'undefined' && !isNaN( size ) ) {
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wo.scroller_fixedColumns = parseInt( size, 10 );
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}
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// remove fixed columns
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tsScroller.removeFixed( c, wo );
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size = wo.scroller_fixedColumns;
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if ( size > 0 && size < c.columns - 1 ) {
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tsScroller.updateFixed( c, wo );
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} else if ( $wrap.hasClass( tscss.scrollerHasFix ) ) {
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$wrap.removeClass( tscss.scrollerHasFix );
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// resize needed to make tables full width
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tsScroller.resize( c, wo );
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}
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})
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.on( events, function( event ) {
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// Stop from running twice with pager
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if ( ts.hasWidget( 'pager' ) && event.type === 'updateComplete' ) {
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return;
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}
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if ( wo.scroller_fixedColumns > 0 ) {
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tsScroller.updateFixed( c, wo );
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}
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// adjust column sizes after an update
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tsScroller.resize( c, wo );
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});
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// Setup window.resizeEnd event
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$win
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.off( 'resize resizeEnd '.split( ' ' ).join( namespace + ' ' ) )
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.on( 'resize' + namespace, ts.window_resize )
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.on( 'resizeEnd' + namespace, function() {
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// IE calls resize when you modify content, so we have to unbind the resize event
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// so we don't end up with an infinite loop. we can rebind after we're done.
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$win.off( 'resize' + namespace, ts.window_resize );
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tsScroller.resize( c, wo );
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$win.on( 'resize' + namespace, ts.window_resize );
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$tableWrap.trigger( 'scroll' + namespace );
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});
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// initialization flag
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c.isScrolling = true;
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tsScroller.updateFixed( c, wo );
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// updateAll called - need to give the browser time to adjust the layout
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// before calculating fix column widths
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if ( c.table.hasInitialized && c.isScrolling ) {
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setTimeout(function(){
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ts.scroller.resize( c, wo );
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}, 50);
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}
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},
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resize : function( c, wo ) {
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if ( wo.scroller_isBusy ) { return; }
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var index, borderWidth, setWidth, $headers, $this, temp,
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tsScroller = ts.scroller,
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$container = wo.scroller_$container,
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$table = c.$table,
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$tableWrap = $table.parent(),
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$hdr = wo.scroller_$header,
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$foot = wo.scroller_$footer,
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$win = $(window),
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position = [ $win.scrollLeft(), $win.scrollTop() ],
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id = c.namespace.slice( 1 ) + 'tsscroller',
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// Hide other scrollers so we can resize
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$div = $( 'div.' + tscss.scrollerWrap + '[id!="' + id + '"]' )
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.addClass( tscss.scrollerHideElement ),
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row = '<tr class="' + tscss.scrollerSpacerRow + ' ' + c.selectorRemove.slice(1) + '">';
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wo.scroller_calcWidths = [];
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// Remove fixed so we get proper widths and heights
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tsScroller.removeFixed( c, wo );
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$container.find( '.' + tscss.scrollerSpacerRow ).remove();
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// remove ts added colgroups
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$container.find( '.' + ts.css.colgroup ).remove();
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// show original table elements to get proper alignment
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$table
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.find( '.' + tscss.scrollerHideElement )
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.removeClass( tscss.scrollerHideElement );
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// include left & right border widths
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borderWidth = parseInt( $table.css( 'border-left-width' ), 10 );
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$headers = c.$headerIndexed;
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for ( index = 0; index < c.columns; index++ ) {
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$this = $headers[ index ];
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// code from https://github.com/jmosbech/StickyTableHeaders
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if ( $this.css( 'box-sizing' ) === 'border-box' ) {
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setWidth = $this.outerWidth();
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} else {
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if ( $this.css( 'border-collapse' ) === 'collapse' ) {
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if ( $this.length && window.getComputedStyle ) {
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setWidth = parseFloat( window.getComputedStyle( $this[ 0 ], null ).width );
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} else {
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// ie8 only
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setWidth = $this.outerWidth() - parseFloat( $this.css( 'padding-left' ) ) -
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parseFloat( $this.css( 'padding-right' ) ) -
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( parseFloat( $this.css( 'border-width' ) ) || 0 );
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}
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} else {
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setWidth = $this.width();
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}
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}
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row += '<td data-column="' + index + '" style="padding:0;margin:0;border:0;height:0;max-height:0;' +
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'min-height:0;width:' + setWidth + 'px;min-width:' + setWidth + 'px;max-width:' + setWidth + 'px"></td>';
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// save current widths
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wo.scroller_calcWidths[ index ] = setWidth;
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}
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row += '</tr>';
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c.$tbodies.eq(0).prepend( row ); // tbody
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$hdr.children( 'thead' ).append( row );
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$foot.children( 'tfoot' ).append( row );
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// include colgroup or alignment is off
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ts.fixColumnWidth( c.table );
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row = c.$table.children( 'colgroup' )[0].outerHTML;
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$hdr.prepend( row );
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$foot.prepend( row );
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|
temp = $tableWrap.parent().innerWidth() -
|
|
( tsScroller.hasScrollBar( $tableWrap ) ? wo.scroller_barSetWidth : 0 );
|
|
$tableWrap.width( temp );
|
|
|
|
temp = ( tsScroller.hasScrollBar( $tableWrap ) ? wo.scroller_barSetWidth : 0 ) + borderWidth;
|
|
setWidth = $tableWrap.innerWidth() - temp;
|
|
|
|
$hdr
|
|
.parent()
|
|
.add( $foot.parent() )
|
|
.width( setWidth );
|
|
|
|
$tableWrap
|
|
.width( setWidth + temp );
|
|
|
|
// hide original table thead
|
|
$table.children( 'thead, caption' ).addClass( tscss.scrollerHideElement );
|
|
|
|
// update fixed column sizes
|
|
tsScroller.updateFixed( c, wo );
|
|
|
|
$div.removeClass( tscss.scrollerHideElement );
|
|
|
|
// restore scrollTop - fixes #926
|
|
$tableWrap.scrollTop( wo.scroller_saved[1] );
|
|
wo.scroller_$container
|
|
.find( '.' + tscss.scrollerFixed )
|
|
.find( '.' + tscss.scrollerTable )
|
|
.scrollTop( wo.scroller_saved[1] );
|
|
$win.scrollLeft( position[0] );
|
|
$win.scrollTop( position[1] );
|
|
|
|
// update resizable widget handles
|
|
setTimeout( function() {
|
|
c.$table.triggerHandler( 'resizableUpdate' );
|
|
c.$table.triggerHandler( 'scrollerComplete' );
|
|
}, 100 );
|
|
|
|
},
|
|
|
|
// Add fixed (frozen) columns (Do not call directly, use updateFixed)
|
|
setupFixed : function( c, wo ) {
|
|
var index, index2, $el, len, temp, $fixedColumn, $fixedTbody,
|
|
$table = c.$table,
|
|
$wrapper = wo.scroller_$container,
|
|
fixedColumns = wo.scroller_fixedColumns;
|
|
|
|
$fixedColumn = $wrapper
|
|
.addClass( tscss.scrollerHasFix )
|
|
.clone()
|
|
.addClass( tscss.scrollerFixed )
|
|
.removeClass( tscss.scrollerWrap )
|
|
.attr( 'id', '' );
|
|
|
|
$fixedColumn.find('caption').html(' ');
|
|
|
|
if ( wo.scroller_addFixedOverlay ) {
|
|
$fixedColumn.append( '<div class="' + tscss.scrollerFixedPanel + '">' );
|
|
}
|
|
|
|
$fixedTbody = $fixedColumn.find( '.' + tscss.scrollerTable );
|
|
$fixedTbody
|
|
.children( 'table' )
|
|
.addClass( c.namespace.slice( 1 ) + '_extra_table' )
|
|
.attr( 'id', '' )
|
|
.children( 'thead, tfoot' )
|
|
.remove();
|
|
|
|
wo.scroller_$fixedColumns = $fixedColumn;
|
|
|
|
// RTL support (fixes column on right)
|
|
if ( $table.hasClass( tscss.scrollerRtl ) ) {
|
|
$fixedColumn.addClass( tscss.scrollerRtl );
|
|
}
|
|
|
|
$el = $fixedColumn.find( 'tr' );
|
|
len = $el.length;
|
|
for ( index = 0; index < len; index++ ) {
|
|
$el.eq( index ).children( ':gt(' + ( fixedColumns - 1 ) + ')' ).remove();
|
|
}
|
|
$fixedColumn
|
|
.addClass( tscss.scrollerHideElement )
|
|
.prependTo( $wrapper );
|
|
|
|
// look for filter widget
|
|
if ( c.$table.hasClass( 'hasFilters' ) ) {
|
|
// make sure fixed column filters aren't disabled
|
|
$el = $fixedColumn
|
|
.find( '.' + tscss.filter )
|
|
.not( '.' + tscss.filterDisabled )
|
|
.prop( 'disabled', false );
|
|
ts.filter.bindSearch( $table, $fixedColumn.find( '.' + tscss.filter ) );
|
|
// disable/enable filters behind fixed column
|
|
$el = $wrapper
|
|
.children( '.' + tscss.scrollerHeader )
|
|
.find( '.' + tscss.filter );
|
|
len = $el.length;
|
|
for ( index = 0; index < len; index++ ) {
|
|
// previously disabled filter; don't mess with it! filterDisabled class added by filter widget
|
|
if ( !$el.eq( index ).hasClass( tscss.filterDisabled || 'disabled' ) ) {
|
|
// disable filters behind fixed column; don't disable visible filters
|
|
$el.eq( index ).prop( 'disabled', index < fixedColumns );
|
|
}
|
|
}
|
|
}
|
|
|
|
// disable/enable tab indexes behind fixed column
|
|
c.$table
|
|
.add( '.' + tscss.scrollerFooter + ' table' )
|
|
.children( 'thead' )
|
|
.children( 'tr.' + tscss.headerRow )
|
|
.children()
|
|
.attr( 'tabindex', -1 );
|
|
|
|
$el = wo.scroller_$header
|
|
.add( $fixedColumn.find( '.' + tscss.scrollerTable + ' table' ) )
|
|
.children( 'thead' )
|
|
.children( 'tr.' + tscss.headerRow );
|
|
len = $el.length;
|
|
for ( index = 0; index < len; index++ ) {
|
|
temp = $el.eq( index ).children();
|
|
for ( index2 = 0; index2 < temp.length; index2++ ) {
|
|
temp.eq( index2 ).attr( 'tabindex', index2 < fixedColumns ? -1 : 0 );
|
|
}
|
|
}
|
|
|
|
ts.bindEvents( c.table, $fixedColumn.find( '.' + tscss.header ) );
|
|
ts.scroller.bindFixedColumnEvents( c, wo );
|
|
|
|
/*** Scrollbar hack! Since we can't hide the scrollbar with css ***/
|
|
if ( ts.scroller.isFirefox || ts.scroller.isOldIE ) {
|
|
$fixedTbody.wrap( '<div class="' + tscss.scrollerHack + '" style="overflow:hidden;">' );
|
|
}
|
|
|
|
},
|
|
|
|
// https://remysharp.com/2010/07/21/throttling-function-calls
|
|
throttle : function(fn, threshhold, scope) {
|
|
threshhold = threshhold || 50;
|
|
var last, deferTimer;
|
|
return function() {
|
|
var context = scope || this,
|
|
now = +(new Date()),
|
|
args = arguments;
|
|
if (last && now < last + threshhold) {
|
|
// hold on to it
|
|
clearTimeout(deferTimer);
|
|
deferTimer = setTimeout(function() {
|
|
last = now;
|
|
fn.apply(context, args);
|
|
}, threshhold);
|
|
} else {
|
|
last = now;
|
|
fn.apply(context, args);
|
|
}
|
|
};
|
|
},
|
|
|
|
bindFixedColumnEvents : function( c, wo ) {
|
|
// update thead & tbody in fixed column
|
|
var tsScroller = ts.scroller,
|
|
namespace = c.namespace + 'tsscrollerFixed',
|
|
events = 'scroll' + namespace,
|
|
$fixedTbody = wo.scroller_$fixedColumns.find( '.' + tscss.scrollerTable ),
|
|
fixedScroll = true,
|
|
tableScroll = true;
|
|
|
|
c.$table
|
|
.parent()
|
|
// *** SCROLL *** scroll fixed column along with main
|
|
.off( events )
|
|
.on( events, tsScroller.throttle(function() {
|
|
// using flags to prevent firing the scroll event excessively leading to slow scrolling in Firefox
|
|
if ( !wo.scroller_isBusy && fixedScroll ) {
|
|
tableScroll = false;
|
|
var $this = $( this );
|
|
$fixedTbody[0].scrollTop = wo.scroller_saved[1] = $this.scrollTop();
|
|
wo.scroller_saved[0] = $this.scrollLeft();
|
|
setTimeout( function() {
|
|
tableScroll = true;
|
|
}, 20 );
|
|
}
|
|
}));
|
|
// scroll main along with fixed column
|
|
$fixedTbody
|
|
.off( events )
|
|
.on( events, tsScroller.throttle(function() {
|
|
// using flags to prevent firing the scroll event excessively leading to slow scrolling in Firefox
|
|
if ( !wo.scroller_isBusy && tableScroll ) {
|
|
fixedScroll = false;
|
|
c.$table.parent()[0].scrollTop = wo.scroller_saved[1] = $( this ).scrollTop();
|
|
setTimeout( function() {
|
|
fixedScroll = true;
|
|
}, 20 );
|
|
}
|
|
}))
|
|
.scroll();
|
|
|
|
// *** ROW HIGHLIGHT ***
|
|
if ( wo.scroller_rowHighlight !== '' ) {
|
|
events = 'mouseover mouseleave '.split( ' ' ).join( namespace + ' ' );
|
|
// can't use c.$tbodies because it doesn't include info-only tbodies
|
|
c.$table
|
|
.off( events, 'tbody > tr' )
|
|
.on( events, 'tbody > tr', function( event ) {
|
|
var indx = c.$table.children( 'tbody' ).children( 'tr' ).index( this );
|
|
$fixedTbody
|
|
.children( 'table' )
|
|
.children( 'tbody' )
|
|
.children( 'tr' )
|
|
.eq( indx )
|
|
.add( this )
|
|
.toggleClass( wo.scroller_rowHighlight, event.type === 'mouseover' );
|
|
});
|
|
$fixedTbody
|
|
.find( 'table' )
|
|
.off( events, 'tbody > tr' )
|
|
.on( events, 'tbody > tr', function( event ) {
|
|
var $fixed = $fixedTbody.children( 'table' ).children( 'tbody' ).children( 'tr' ),
|
|
indx = $fixed.index( this );
|
|
c.$table
|
|
.children( 'tbody' )
|
|
.children( 'tr' )
|
|
.eq( indx )
|
|
.add( this )
|
|
.toggleClass( wo.scroller_rowHighlight, event.type === 'mouseover' );
|
|
});
|
|
}
|
|
},
|
|
|
|
adjustWidth : function( c, wo, totalWidth, adj, dir ) {
|
|
var $wrapper = wo.scroller_$container;
|
|
|
|
// RTL support (fixes column on right)
|
|
$wrapper
|
|
.children( '.' + tscss.scrollerTable )
|
|
.css( dir ? 'right' : 'left', totalWidth );
|
|
$wrapper
|
|
.children( '.' + tscss.scrollerHeader + ', .' + tscss.scrollerFooter )
|
|
// Safari needs a scrollbar width of extra adjusment to align the fixed & scrolling columns
|
|
.css( dir ? 'right' : 'left', totalWidth + ( dir && ts.scroller.isSafari ? adj : 0 ) );
|
|
},
|
|
|
|
updateFixed : function( c, wo ) {
|
|
var temp, adj,
|
|
$wrapper = wo.scroller_$container,
|
|
$hdr = wo.scroller_$header,
|
|
$foot = wo.scroller_$footer,
|
|
$table = c.$table,
|
|
$tableWrap = $table.parent(),
|
|
scrollBarWidth = wo.scroller_barSetWidth,
|
|
dir = $table.hasClass( tscss.scrollerRtl );
|
|
|
|
if ( wo.scroller_fixedColumns === 0 ) {
|
|
wo.scroller_isBusy = false;
|
|
ts.scroller.removeFixed( c, wo );
|
|
temp = $wrapper.width();
|
|
$tableWrap.width( temp );
|
|
adj = ts.scroller.hasScrollBar( $tableWrap ) ? scrollBarWidth : 0;
|
|
$hdr
|
|
.parent()
|
|
.add( $foot.parent() )
|
|
.width( temp - adj );
|
|
return;
|
|
}
|
|
|
|
if ( !c.isScrolling ) {
|
|
return;
|
|
}
|
|
|
|
wo.scroller_isBusy = true;
|
|
|
|
// Make sure the wo.scroller_$fixedColumns container exists, if not build it
|
|
if ( !$wrapper.find( '.' + tscss.scrollerFixed ).length ) {
|
|
ts.scroller.setupFixed( c, wo );
|
|
}
|
|
|
|
// scroller_fixedColumns
|
|
var index, tbodyIndex, rowIndex, $tbody, $adjCol, $fb, totalRows,
|
|
|
|
// source cells for measurement
|
|
$mainTbodies = wo.scroller_$container
|
|
.children( '.' + tscss.scrollerTable )
|
|
.children( 'table' )
|
|
.children( 'tbody' ),
|
|
// variable gets redefined
|
|
$rows = wo.scroller_$header
|
|
.children( 'thead' )
|
|
.children( '.' + tscss.headerRow ),
|
|
|
|
// hide fixed column during resize, or we get a FOUC
|
|
$fixedColumn = wo.scroller_$fixedColumns
|
|
.addClass( tscss.scrollerHideElement ),
|
|
|
|
// target cells
|
|
$fixedTbodiesTable = $fixedColumn
|
|
.find( '.' + tscss.scrollerTable )
|
|
.children( 'table' ),
|
|
$fixedTbodies = $fixedTbodiesTable
|
|
.children( 'tbody' ),
|
|
// variables
|
|
tsScroller = ts.scroller,
|
|
fixedColumns = wo.scroller_fixedColumns,
|
|
// get dimensions
|
|
$temp = $table.find( 'tbody td' ),
|
|
borderRightWidth = parseInt( $temp.css( 'border-right-width' ), 10 ) || 1,
|
|
borderSpacing = parseInt( ( $temp.css( 'border-spacing' ) || '' ).split( /\s/ )[ 0 ], 10 ) / 2 || 0,
|
|
totalWidth = parseInt( $table.css( 'padding-left' ), 10 ) +
|
|
parseInt( $table.css( 'padding-right' ), 10 ) -
|
|
borderRightWidth,
|
|
widths = wo.scroller_calcWidths;
|
|
|
|
ts.scroller.removeFixed( c, wo, false );
|
|
|
|
// calculate fixed column width
|
|
for ( index = 0; index < fixedColumns; index++ ) {
|
|
totalWidth += widths[ index ] + borderSpacing;
|
|
}
|
|
|
|
// set fixed column width
|
|
totalWidth = totalWidth + borderRightWidth * 2 - borderSpacing;
|
|
tsScroller.setWidth( $fixedColumn.add( $fixedColumn.children() ), totalWidth );
|
|
tsScroller.setWidth( $fixedColumn.children().children( 'table' ), totalWidth );
|
|
|
|
// update fixed column tbody content, set cell widths on hidden row
|
|
for ( tbodyIndex = 0; tbodyIndex < c.$tbodies.length; tbodyIndex++ ) {
|
|
$tbody = $mainTbodies.eq( tbodyIndex );
|
|
if ( $tbody.length ) {
|
|
// get tbody
|
|
$rows = $tbody.children();
|
|
totalRows = $rows.length;
|
|
$fb = ts.processTbody( $fixedTbodiesTable, $fixedTbodies.eq( tbodyIndex ), true );
|
|
$fb.empty();
|
|
// update tbody cells after sort/filtering
|
|
for ( rowIndex = 0; rowIndex < totalRows; rowIndex++ ) {
|
|
$adjCol = $( $rows[ rowIndex ].outerHTML );
|
|
$adjCol
|
|
.children( 'td, th' )
|
|
.slice( fixedColumns )
|
|
.remove();
|
|
$fb.append( $adjCol );
|
|
}
|
|
|
|
// restore tbody
|
|
ts.processTbody( $fixedTbodiesTable, $fb, false );
|
|
}
|
|
}
|
|
|
|
adj = ts.scroller.hasScrollBar( $tableWrap ) ? scrollBarWidth : 0;
|
|
|
|
/*** scrollbar HACK! Since we can't hide the scrollbar with css ***/
|
|
if ( tsScroller.isFirefox || tsScroller.isOldIE ) {
|
|
$fixedTbodiesTable
|
|
.css( 'width', totalWidth )
|
|
.parent()
|
|
.css( 'width', totalWidth + adj );
|
|
}
|
|
|
|
$fixedColumn.removeClass( tscss.scrollerHideElement );
|
|
for ( index = 0; index < fixedColumns; index++ ) {
|
|
temp = ':nth-child(' + ( index + 1 ) + ')';
|
|
$wrapper
|
|
.children( 'div' )
|
|
.children( 'table' )
|
|
.find( 'th' + temp + ', td' + temp + ', col' + temp )
|
|
.addClass( tscss.scrollerHideColumn );
|
|
}
|
|
|
|
totalWidth = totalWidth - borderRightWidth;
|
|
temp = $tableWrap.parent().innerWidth() - totalWidth;
|
|
$tableWrap.width( temp );
|
|
// RTL support (fixes column on right)
|
|
$wrapper
|
|
.children( '.' + tscss.scrollerTable )
|
|
.css( dir ? 'right' : 'left', totalWidth );
|
|
$wrapper
|
|
.children( '.' + tscss.scrollerHeader + ', .' + tscss.scrollerFooter )
|
|
// Safari needs a scrollbar width of extra adjusment to align the fixed & scrolling columns
|
|
.css( dir ? 'right' : 'left', totalWidth + ( dir && ts.scroller.isSafari ? adj : 0 ) );
|
|
|
|
$hdr
|
|
.parent()
|
|
.add( $foot.parent() )
|
|
.width( temp - adj );
|
|
|
|
// fix gap under the tbody for the horizontal scrollbar
|
|
temp = ts.scroller.hasScrollBar( $tableWrap, true );
|
|
adj = temp ? scrollBarWidth : 0;
|
|
if ( !$fixedColumn.find( '.' + tscss.scrollerBarSpacer ).length && temp ) {
|
|
$temp = $( '<div class="' + tscss.scrollerBarSpacer + '">' )
|
|
.css( 'height', adj + 'px' );
|
|
$fixedColumn.find( '.' + tscss.scrollerTable ).append( $temp );
|
|
} else if ( !temp ) {
|
|
$fixedColumn.find( '.' + tscss.scrollerBarSpacer ).remove();
|
|
}
|
|
|
|
ts.scroller.updateRowHeight( c, wo );
|
|
// set fixed column height (changes with filtering)
|
|
$fixedColumn.height( $wrapper.height() );
|
|
|
|
$fixedColumn.removeClass( tscss.scrollerHideElement );
|
|
|
|
// adjust caption height, see #1202
|
|
$fixedColumn.find('caption').height( wo.scroller_$header.find( 'caption' ).height() );
|
|
|
|
wo.scroller_isBusy = false;
|
|
|
|
},
|
|
|
|
fixHeight : function( $rows, $fixedRows ) {
|
|
var index, heightRow, heightFixed, $r, $f,
|
|
addedHt = tscss.scrollerAddedHeight,
|
|
len = $rows.length;
|
|
for ( index = 0; index < len; index++ ) {
|
|
$r = $rows.eq( index );
|
|
$f = $fixedRows.eq( index );
|
|
heightRow = $r.height();
|
|
heightFixed = $f.height();
|
|
if ( heightRow > heightFixed ) {
|
|
$f.addClass( addedHt ).height( heightRow );
|
|
} else if ( heightRow < heightFixed ) {
|
|
$r.addClass( addedHt ).height( heightFixed );
|
|
}
|
|
}
|
|
},
|
|
|
|
updateRowHeight : function( c, wo ) {
|
|
var $rows, $fixed,
|
|
$fixedColumns = wo.scroller_$fixedColumns;
|
|
|
|
wo.scroller_$container
|
|
.find( '.' + tscss.scrollerAddedHeight )
|
|
.removeClass( tscss.scrollerAddedHeight )
|
|
.height( '' );
|
|
|
|
$rows = wo.scroller_$header
|
|
.children( 'thead' )
|
|
.children( 'tr' );
|
|
$fixed = $fixedColumns
|
|
.children( '.' + tscss.scrollerHeader )
|
|
.children( 'table' )
|
|
.children( 'thead' )
|
|
.children( 'tr' );
|
|
ts.scroller.fixHeight( $rows, $fixed );
|
|
|
|
$rows = wo.scroller_$footer
|
|
.children( 'tfoot' )
|
|
.children( 'tr' );
|
|
$fixed = $fixedColumns
|
|
.children( '.' + tscss.scrollerFooter )
|
|
.children( 'table' )
|
|
.children( 'tfoot' )
|
|
.children( 'tr' );
|
|
ts.scroller.fixHeight( $rows, $fixed );
|
|
|
|
if ( ts.scroller.isFirefox || ts.scroller.isOldIE ) {
|
|
// Firefox/Old IE scrollbar hack (wraps table to hide the scrollbar)
|
|
$fixedColumns = $fixedColumns.find( '.' + tscss.scrollerHack );
|
|
}
|
|
$rows = c.$table
|
|
.children( 'tbody' )
|
|
.children( 'tr' );
|
|
$fixed = $fixedColumns
|
|
.children( '.' + tscss.scrollerTable )
|
|
.children( 'table' )
|
|
.children( 'tbody' )
|
|
.children( 'tr' );
|
|
ts.scroller.fixHeight( $rows, $fixed );
|
|
|
|
},
|
|
|
|
removeFixed : function( c, wo, removeIt ) {
|
|
var $table = c.$table,
|
|
$wrapper = wo.scroller_$container,
|
|
dir = $table.hasClass( tscss.scrollerRtl );
|
|
|
|
// remove fixed columns
|
|
if ( removeIt || typeof removeIt === 'undefined' ) {
|
|
$wrapper.find( '.' + tscss.scrollerFixed ).remove();
|
|
}
|
|
|
|
$wrapper
|
|
.find( '.' + tscss.scrollerHideColumn )
|
|
.removeClass( tscss.scrollerHideColumn );
|
|
|
|
// RTL support ( fixes column on right )
|
|
$wrapper
|
|
.children( ':not(.' + tscss.scrollerFixed + ')' )
|
|
.css( dir ? 'right' : 'left', 0 );
|
|
},
|
|
|
|
remove : function( c, wo ) {
|
|
var $wrap = wo.scroller_$container,
|
|
namespace = c.namespace + 'tsscroller';
|
|
c.$table.off( namespace );
|
|
$( window ).off( namespace );
|
|
if ( $wrap ) {
|
|
c.$table
|
|
.insertBefore( $wrap )
|
|
.find( 'thead' )
|
|
.removeClass( tscss.scrollerHideElement )
|
|
.children( 'tr.' + tscss.headerRow )
|
|
.children()
|
|
.attr( 'tabindex', 0 )
|
|
.end()
|
|
.find( '.' + tscss.filterRow )
|
|
.removeClass( tscss.scrollerHideElement + ' ' + tscss.filterRowHide );
|
|
c.$table
|
|
.find( '.' + tscss.filter )
|
|
.not( '.' + tscss.filterDisabled )
|
|
.prop( 'disabled', false );
|
|
$wrap.remove();
|
|
c.isScrolling = false;
|
|
}
|
|
}
|
|
|
|
};
|
|
|
|
})( jQuery, window );
|