mirror of
https://github.com/Mottie/tablesorter.git
synced 2024-10-08 13:44:18 +00:00
87 lines
3.2 KiB
JavaScript
87 lines
3.2 KiB
JavaScript
/*
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* custom pager controls - beta testing
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*/
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/*jshint browser:true, jquery:true, unused:false, loopfunc:true */
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/*global jQuery: false, localStorage: false, navigator: 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(options) {
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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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o = $.extend({}, defaults, options),
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$table = $(o.table);
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$table
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.on('pagerInitialized pagerComplete', function (e, c) {
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var i, pages = $('<div/>'), t = [],
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cur = c.page + 1,
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start = cur > 1 ? (c.totalPages - cur < o.aroundCurrent ? -(o.aroundCurrent + 1) + (c.totalPages - cur) : -o.aroundCurrent) : 0,
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end = cur < o.aroundCurrent + 1 ? o.aroundCurrent + 3 - cur : o.aroundCurrent + 1;
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for (i = start; i < end; i++) {
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if (cur + i >= 1 && cur + i < c.totalPages) { t.push( cur + i ); }
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}
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// include first and last pages (ends) in the pagination
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for (i = 0; i < o.ends; i++){
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if ($.inArray(i + 1, t) === -1) { t.push(i + 1); }
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if ($.inArray(c.totalPages - i, t) === -1) { t.push(c.totalPages - i); }
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}
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// sort the list
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t = t.sort(function(a, b){ return a - b; });
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// make links and spacers
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$.each(t, function(j, v){
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pages
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.append( $(o.link.replace(/\{page\}/g, v)).toggleClass(o.currentClass, v === cur).attr('data-page', v) )
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.append( '<span>' + (j < t.length - 1 && ( t[j+1] - 1 !== v ) ? o.distanceSpacer : ( j >= t.length - 1 ? '' : o.adjacentSpacer )) + '</span>' );
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});
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$('.pagecount').html(pages.html());
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});
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// set up pager controls
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$(o.pager).find(o.pageSize).on('click', function () {
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$(this)
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.addClass(o.currentClass)
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.siblings()
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.removeClass(o.currentClass);
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$table.trigger('pageSize', $(this).html());
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return false;
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}).end()
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.on('click', o.currentPage, function(){
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$(this)
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.addClass(o.currentClass)
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.siblings()
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.removeClass(o.currentClass);
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$table.trigger('pageSet', $(this).attr('data-page'));
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return false;
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});
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// make right/left arrow keys work
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if (o.addKeyboard) {
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$(document).on('keydown', function(e){
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// ignore arrows inside form elements
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if (/input|select|textarea/i.test(e.target.tagName)) { return; }
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if (e.which === 37) {
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// left
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$(o.pager).find(o.currentPage).filter('.' + o.currentClass).prevAll(':not(span):first').click();
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} else if (e.which === 39) {
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// right
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$(o.pager).find(o.currentPage).filter('.' + o.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); |