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101 lines
4.0 KiB
JavaScript
101 lines
4.0 KiB
JavaScript
/*!
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* custom pager controls (beta) for TableSorter 5/5/2014 (v2.16.4)
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initialize custom pager script BEFORE initializing tablesorter/tablesorter pager
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custom pager looks like this:
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1 | 2 … 5 | 6 | 7 … 99 | 100
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_ _ _ _ adjacentSpacer
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_ _ distanceSpacer
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_____ ________ ends (2 default)
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_________ aroundCurrent (1 default)
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*/
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/*jshint browser:true, jquery:true, unused:false, loopfunc:true */
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/*global jQuery: false */
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;(function($){
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"use strict";
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$.tablesorter = $.tablesorter || {};
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$.tablesorter.customPagerControls = function(settings) {
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var defaults = {
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table : 'table',
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pager : '.pager',
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pageSize : '.left a',
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currentPage : '.right a',
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ends : 2, // number of pages to show of either end
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aroundCurrent : 1, // number of pages surrounding the current page
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link : '<a href="#">{page}</a>', // page element; use {page} to include the page number
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currentClass : 'current', // current page class name
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adjacentSpacer : ' | ', // spacer for page numbers next to each other
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distanceSpacer : ' … ', // spacer for page numbers away from each other (ellipsis)
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addKeyboard : true // add left/right keyboard arrows to change current page
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},
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options = $.extend({}, defaults, settings),
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$table = $(options.table);
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$table
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.on('pagerInitialized pagerComplete', function (e, c) {
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var indx,
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p = c.pager ? c.pager : c, // using widget
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pages = $('<div/>'),
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pageArray = [],
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cur = p.page + 1,
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start = cur > 1 ? (p.filteredPages - cur < options.aroundCurrent ? -(options.aroundCurrent + 1) + (p.filteredPages - cur) : -options.aroundCurrent) : 0,
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end = cur < options.aroundCurrent + 1 ? options.aroundCurrent + 3 - cur : options.aroundCurrent + 1;
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for (indx = start; indx < end; indx++) {
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if (cur + indx >= 1 && cur + indx < p.filteredPages) { pageArray.push( cur + indx ); }
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}
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if (pageArray.length) {
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// include first and last pages (ends) in the pagination
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for (indx = 0; indx < options.ends; indx++){
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if ($.inArray(indx + 1, pageArray) === -1) { pageArray.push(indx + 1); }
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if ($.inArray(p.filteredPages - indx, pageArray) === -1) { pageArray.push(p.filteredPages - indx); }
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}
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// sort the list
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pageArray = pageArray.sort(function(a, b){ return a - b; });
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// make links and spacers
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$.each(pageArray, function(indx, value){
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pages
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.append( $(options.link.replace(/\{page\}/g, value)).toggleClass(options.currentClass, value === cur).attr('data-page', value) )
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.append( '<span>' + (indx < pageArray.length - 1 && ( pageArray[ indx + 1 ] - 1 !== value ) ? options.distanceSpacer :
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( indx >= pageArray.length - 1 ? '' : options.adjacentSpacer )) + '</span>' );
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});
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}
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$('.pagecount').html(pages.html());
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});
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// set up pager controls
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$(options.pager).find(options.pageSize).on('click', function () {
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$(this)
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.addClass(options.currentClass)
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.siblings()
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.removeClass(options.currentClass);
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$table.trigger('pageSize', $(this).html());
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return false;
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}).end()
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.on('click', options.currentPage, function(){
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$(this)
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.addClass(options.currentClass)
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.siblings()
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.removeClass(options.currentClass);
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$table.trigger('pageSet', $(this).attr('data-page'));
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return false;
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});
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// make right/left arrow keys work
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if (options.addKeyboard) {
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$(document).on('keydown', function(events){
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// ignore arrows inside form elements
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if (/input|select|textarea/i.test(events.target.tagName)) { return; }
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if (events.which === 37) {
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// left
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$(options.pager).find(options.currentPage).filter('.' + options.currentClass).prevAll(':not(span):first').click();
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} else if (events.which === 39) {
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// right
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$(options.pager).find(options.currentPage).filter('.' + options.currentClass).nextAll(':not(span):first').click();
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}
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});
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}
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};
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})(jQuery); |