lib/assets/js/simplePagination.js
/**
* simplePagination.js v1.6
* A simple jQuery pagination plugin.
* http://flaviusmatis.github.com/simplePagination.js/
*
* Copyright, Flavius Matis
* Released under the MIT license.
* http://flaviusmatis.github.com/license.html
*/
(function($){
var methods = {
init: function(options) {
var o = $.extend({
items: 1,
itemsOnPage: 1,
pages: 0,
displayedPages: 5,
edges: 2,
currentPage: 1,
hrefTextPrefix: '#page-',
hrefTextSuffix: '',
prevText: 'Prev',
nextText: 'Next',
ellipseText: '…',
cssStyle: 'light-theme',
selectOnClick: true,
onPageClick: function(pageNumber, event) {
// Callback triggered when a page is clicked
// Page number is given as an optional parameter
},
onInit: function() {
// Callback triggered immediately after initialization
}
}, options || {});
var self = this;
o.pages = o.pages ? o.pages : Math.ceil(o.items / o.itemsOnPage) ? Math.ceil(o.items / o.itemsOnPage) : 1;
o.currentPage = o.currentPage - 1;
o.halfDisplayed = o.displayedPages / 2;
this.each(function() {
self.addClass(o.cssStyle + ' simple-pagination').data('pagination', o);
methods._draw.call(self);
});
o.onInit();
return this;
},
selectPage: function(page) {
methods._selectPage.call(this, page - 1);
return this;
},
prevPage: function() {
var o = this.data('pagination');
if (o.currentPage > 0) {
methods._selectPage.call(this, o.currentPage - 1);
}
return this;
},
nextPage: function() {
var o = this.data('pagination');
if (o.currentPage < o.pages - 1) {
methods._selectPage.call(this, o.currentPage + 1);
}
return this;
},
getPagesCount: function() {
return this.data('pagination').pages;
},
getCurrentPage: function () {
return this.data('pagination').currentPage + 1;
},
destroy: function(){
this.empty();
return this;
},
redraw: function(){
methods._draw.call(this);
return this;
},
disable: function(){
var o = this.data('pagination');
o.disabled = true;
this.data('pagination', o);
methods._draw.call(this);
return this;
},
enable: function(){
var o = this.data('pagination');
o.disabled = false;
this.data('pagination', o);
methods._draw.call(this);
return this;
},
updateItems: function (newItems) {
var o = this.data('pagination');
o.items = newItems;
o.pages = Math.ceil(o.items / o.itemsOnPage) ? Math.ceil(o.items / o.itemsOnPage) : 1;
this.data('pagination', o);
methods._draw.call(this);
},
updateItemsOnPage: function (itemsOnPage) {
var o = this.data('pagination');
o.itemsOnPage = itemsOnPage;
o.pages = methods._getPages(o);
this.data('pagination', o);
methods._selectPage.call(this, 0);
return this;
},
_draw: function() {
var o = this.data('pagination'),
interval = methods._getInterval(o),
i;
methods.destroy.call(this);
var $panel = this.prop("tagName") === "UL" ? this : $('<ul></ul>').appendTo(this);
// Generate Prev link
if (o.prevText) {
methods._appendItem.call(this, o.currentPage - 1, {text: o.prevText, classes: 'prev'});
}
// Generate start edges
if (interval.start > 0 && o.edges > 0) {
var end = Math.min(o.edges, interval.start);
for (i = 0; i < end; i++) {
methods._appendItem.call(this, i);
}
if (o.edges < interval.start && (interval.start - o.edges != 1)) {
$panel.append('<li class="disabled"><span class="ellipse">' + o.ellipseText + '</span></li>');
} else if (interval.start - o.edges == 1) {
methods._appendItem.call(this, o.edges);
}
}
// Generate interval links
for (i = interval.start; i < interval.end; i++) {
methods._appendItem.call(this, i);
}
// Generate end edges
if (interval.end < o.pages && o.edges > 0) {
if (o.pages - o.edges > interval.end && (o.pages - o.edges - interval.end != 1)) {
$panel.append('<li class="disabled"><span class="ellipse">' + o.ellipseText + '</span></li>');
} else if (o.pages - o.edges - interval.end == 1) {
methods._appendItem.call(this, interval.end++);
}
var begin = Math.max(o.pages - o.edges, interval.end);
for (i = begin; i < o.pages; i++) {
methods._appendItem.call(this, i);
}
}
// Generate Next link
if (o.nextText) {
methods._appendItem.call(this, o.currentPage + 1, {text: o.nextText, classes: 'next'});
}
},
_getPages: function(o) {
var pages = Math.ceil(o.items / o.itemsOnPage);
return pages || 1;
},
_getInterval: function(o) {
return {
start: Math.ceil(o.currentPage > o.halfDisplayed ? Math.max(Math.min(o.currentPage - o.halfDisplayed, (o.pages - o.displayedPages)), 0) : 0),
end: Math.ceil(o.currentPage > o.halfDisplayed ? Math.min(o.currentPage + o.halfDisplayed, o.pages) : Math.min(o.displayedPages, o.pages))
};
},
_appendItem: function(pageIndex, opts) {
var self = this, options, $link, o = self.data('pagination'), $linkWrapper = $('<li></li>'), $ul = self.find('ul');
pageIndex = pageIndex < 0 ? 0 : (pageIndex < o.pages ? pageIndex : o.pages - 1);
options = $.extend({
text: pageIndex + 1,
classes: ''
}, opts || {});
if (pageIndex == o.currentPage || o.disabled) {
if (o.disabled) {
$linkWrapper.addClass('disabled');
} else {
$linkWrapper.addClass('active');
}
$link = $('<span class="current">' + (options.text) + '</span>');
} else {
$link = $('<a href="' + o.hrefTextPrefix + (pageIndex + 1) + o.hrefTextSuffix + '" class="page-link">' + (options.text) + '</a>');
$link.click(function(event){
return methods._selectPage.call(self, pageIndex, event);
});
}
if (options.classes) {
$link.addClass(options.classes);
}
$linkWrapper.append($link);
if ($ul.length) {
$ul.append($linkWrapper);
} else {
self.append($linkWrapper);
}
},
_selectPage: function(pageIndex, event) {
var o = this.data('pagination');
o.currentPage = pageIndex;
if (o.selectOnClick) {
methods._draw.call(this);
}
return o.onPageClick(pageIndex + 1, event);
}
};
$.fn.pagination = function(method) {
// Method calling logic
if (methods[method] && method.charAt(0) != '_') {
return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
} else if (typeof method === 'object' || !method) {
return methods.init.apply(this, arguments);
} else {
$.error('Method ' + method + ' does not exist on jQuery.pagination');
}
};
})(jQuery);