149 lines
4.9 KiB
JavaScript
149 lines
4.9 KiB
JavaScript
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/*! UIkit 2.21.0 | http://www.getuikit.com | (c) 2014 YOOtheme | MIT License */
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/*
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* Based on simplePagination - Copyright (c) 2012 Flavius Matis - http://flaviusmatis.github.com/simplePagination.js/ (MIT)
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*/
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(function(addon) {
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var component;
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if (window.UIkit) {
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component = addon(UIkit);
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}
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if (typeof define == "function" && define.amd) {
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define("uikit-pagination", ["uikit"], function(){
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return component || addon(UIkit);
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});
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}
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})(function(UI){
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"use strict";
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UI.component('pagination', {
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defaults: {
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items : 1,
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itemsOnPage : 1,
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pages : 0,
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displayedPages : 3,
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edges : 3,
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currentPage : 1,
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lblPrev : false,
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lblNext : false,
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onSelectPage : function() {}
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},
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boot: function() {
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// init code
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UI.ready(function(context) {
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UI.$("[data-uk-pagination]", context).each(function(){
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var ele = UI.$(this);
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if (!ele.data("pagination")) {
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var obj = UI.pagination(ele, UI.Utils.options(ele.attr("data-uk-pagination")));
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}
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});
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});
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},
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init: function() {
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var $this = this;
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this.pages = this.options.pages ? this.options.pages : Math.ceil(this.options.items / this.options.itemsOnPage) ? Math.ceil(this.options.items / this.options.itemsOnPage) : 1;
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this.currentPage = this.options.currentPage - 1;
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this.halfDisplayed = this.options.displayedPages / 2;
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this.on("click", "a[data-page]", function(e){
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e.preventDefault();
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$this.selectPage(UI.$(this).data("page"));
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});
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this._render();
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},
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_getInterval: function() {
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return {
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start: Math.ceil(this.currentPage > this.halfDisplayed ? Math.max(Math.min(this.currentPage - this.halfDisplayed, (this.pages - this.options.displayedPages)), 0) : 0),
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end : Math.ceil(this.currentPage > this.halfDisplayed ? Math.min(this.currentPage + this.halfDisplayed, this.pages) : Math.min(this.options.displayedPages, this.pages))
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};
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},
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render: function(pages) {
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this.pages = pages ? pages : this.pages;
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this._render();
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},
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selectPage: function(pageIndex, pages) {
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this.currentPage = pageIndex;
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this.render(pages);
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this.options.onSelectPage.apply(this, [pageIndex]);
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this.trigger('select.uk.pagination', [pageIndex, this]);
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},
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_render: function() {
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var o = this.options, interval = this._getInterval(), i;
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this.element.empty();
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// Generate Prev link
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if (o.lblPrev) this._append(o.currentPage - 1, {text: o.lblPrev});
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// Generate start edges
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if (interval.start > 0 && o.edges > 0) {
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var end = Math.min(o.edges, interval.start);
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for (i = 0; i < end; i++) this._append(i);
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if (o.edges < interval.start && (interval.start - o.edges != 1)) {
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this.element.append('<li><span>...</span></li>');
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} else if (interval.start - o.edges == 1) {
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this._append(o.edges);
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}
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}
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// Generate interval links
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for (i = interval.start; i < interval.end; i++) this._append(i);
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// Generate end edges
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if (interval.end < this.pages && o.edges > 0) {
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if (this.pages - o.edges > interval.end && (this.pages - o.edges - interval.end != 1)) {
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this.element.append('<li><span>...</span></li>');
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} else if (this.pages - o.edges - interval.end == 1) {
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this._append(interval.end++);
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}
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var begin = Math.max(this.pages - o.edges, interval.end);
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for (i = begin; i < this.pages; i++) this._append(i);
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}
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// Generate Next link (unless option is set for at front)
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if (o.lblNext) this._append(o.currentPage + 1, {text: o.lblNext});
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},
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_append: function(pageIndex, opts) {
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var $this = this, item, link, options;
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pageIndex = pageIndex < 0 ? 0 : (pageIndex < this.pages ? pageIndex : this.pages - 1);
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options = UI.$.extend({ text: pageIndex + 1 }, opts);
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item = (pageIndex == this.currentPage) ? '<li class="uk-active"><span>' + (options.text) + '</span></li>'
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: '<li><a href="#page-'+(pageIndex+1)+'" data-page="'+pageIndex+'">'+options.text+'</a></li>';
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this.element.append(item);
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}
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});
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return UI.pagination;
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});
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