Commit 024d2761 authored by Edvard Rejthar's avatar Edvard Rejthar
Browse files

pagination file

parent 4122858d
/**
* simplePagination.js v1.6
* A simple jQuery pagination plugin.
* http://flaviusmatis.github.com/simplePagination.js/
*
* Copyright 2012, 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: 0,
useAnchors: true,
hrefTextPrefix: '#page-',
hrefTextSuffix: '',
prevText: 'Prev',
nextText: 'Next',
ellipseText: '…',
ellipsePageSet: true,
cssStyle: 'light-theme',
listStyle: '',
labelMap: [],
selectOnClick: true,
nextAtFront: false,
invertPageOrder: false,
useStartEdge : true,
useEndEdge : 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;
if (o.currentPage)
o.currentPage = o.currentPage - 1;
else
o.currentPage = !o.invertPageOrder ? 0 : o.pages - 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.invertPageOrder) {
if (o.currentPage > 0) {
methods._selectPage.call(this, o.currentPage - 1);
}
} else {
if (o.currentPage < o.pages - 1) {
methods._selectPage.call(this, o.currentPage + 1);
}
}
return this;
},
nextPage: function() {
var o = this.data('pagination');
if (!o.invertPageOrder) {
if (o.currentPage < o.pages - 1) {
methods._selectPage.call(this, o.currentPage + 1);
}
} else {
if (o.currentPage > 0) {
methods._selectPage.call(this, o.currentPage - 1);
}
}
return this;
},
getPagesCount: function() {
return this.data('pagination').pages;
},
setPagesCount: function(count) {
this.data('pagination').pages = count;
},
getCurrentPage: function () {
return this.data('pagination').currentPage + 1;
},
destroy: function(){
this.empty();
return this;
},
drawPage: function (page) {
var o = this.data('pagination');
o.currentPage = page - 1;
this.data('pagination', o);
methods._draw.call(this);
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 = methods._getPages(o);
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;
},
getItemsOnPage: function() {
return this.data('pagination').itemsOnPage;
},
_draw: function() {
var o = this.data('pagination'),
interval = methods._getInterval(o),
i,
tagName;
methods.destroy.call(this);
tagName = (typeof this.prop === 'function') ? this.prop('tagName') : this.attr('tagName');
var $panel = tagName === 'UL' ? this : $('<ul' + (o.listStyle ? ' class="' + o.listStyle + '"' : '') + '></ul>').appendTo(this);
// Generate Prev link
if (o.prevText) {
methods._appendItem.call(this, !o.invertPageOrder ? o.currentPage - 1 : o.currentPage + 1, {text: o.prevText, classes: 'prev'});
}
// Generate Next link (if option set for at front)
if (o.nextText && o.nextAtFront) {
methods._appendItem.call(this, !o.invertPageOrder ? o.currentPage + 1 : o.currentPage - 1, {text: o.nextText, classes: 'next'});
}
// Generate start edges
if (!o.invertPageOrder) {
if (interval.start > 0 && o.edges > 0) {
if(o.useStartEdge) {
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);
}
}
} else {
if (interval.end < o.pages && o.edges > 0) {
if(o.useStartEdge) {
var begin = Math.max(o.pages - o.edges, interval.end);
for (i = o.pages - 1; i >= begin; i--) {
methods._appendItem.call(this, i);
}
}
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);
}
}
}
// Generate interval links
if (!o.invertPageOrder) {
for (i = interval.start; i < interval.end; i++) {
methods._appendItem.call(this, i);
}
} else {
for (i = interval.end - 1; i >= interval.start; i--) {
methods._appendItem.call(this, i);
}
}
// Generate end edges
if (!o.invertPageOrder) {
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);
}
if(o.useEndEdge) {
var begin = Math.max(o.pages - o.edges, interval.end);
for (i = begin; i < o.pages; i++) {
methods._appendItem.call(this, i);
}
}
}
} else {
if (interval.start > 0 && o.edges > 0) {
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);
}
if(o.useEndEdge) {
var end = Math.min(o.edges, interval.start);
for (i = end - 1; i >= 0; i--) {
methods._appendItem.call(this, i);
}
}
}
}
// Generate Next link (unless option is set for at front)
if (o.nextText && !o.nextAtFront) {
methods._appendItem.call(this, !o.invertPageOrder ? o.currentPage + 1 : o.currentPage - 1, {text: o.nextText, classes: 'next'});
}
if (o.ellipsePageSet && !o.disabled) {
methods._ellipseClick.call(this, $panel);
}
},
_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 = {
text: pageIndex + 1,
classes: ''
};
if (o.labelMap.length && o.labelMap[pageIndex]) {
options.text = o.labelMap[pageIndex];
}
options = $.extend(options, opts || {});
if (pageIndex == o.currentPage || o.disabled) {
if (o.disabled || options.classes === 'prev' || options.classes === 'next') {
$linkWrapper.addClass('disabled');
} else {
$linkWrapper.addClass('active');
}
$link = $('<span class="current">' + (options.text) + '</span>');
} else {
if (o.useAnchors) {
$link = $('<a href="' + o.hrefTextPrefix + (pageIndex + 1) + o.hrefTextSuffix + '" class="page-link">' + (options.text) + '</a>');
} else {
$link = $('<span >' + (options.text) + '</span>');
}
$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($linkWrapper);
}
},
_selectPage: function(pageIndex, event) {
var o = this.data('pagination');
o.currentPage = pageIndex;
if (o.selectOnClick) {
methods._draw.call(this);
}
return o.onPageClick(pageIndex + 1, event);
},
_ellipseClick: function($panel) {
var self = this,
o = this.data('pagination'),
$ellip = $panel.find('.ellipse');
$ellip.addClass('clickable').parent().removeClass('disabled');
$ellip.click(function(event) {
if (!o.disable) {
var $this = $(this),
val = (parseInt($this.parent().prev().text(), 10) || 0) + 1;
$this
.html('<input type="number" min="1" max="' + o.pages + '" step="1" value="' + val + '">')
.find('input')
.focus()
.click(function(event) {
// prevent input number arrows from bubbling a click event on $ellip
event.stopPropagation();
})
.keyup(function(event) {
var val = $(this).val();
if (event.which === 13 && val !== '') {
// enter to accept
if ((val>0)&&(val<=o.pages))
methods._selectPage.call(self, val - 1);
} else if (event.which === 27) {
// escape to cancel
$ellip.empty().html(o.ellipseText);
}
})
.bind('blur', function(event) {
var val = $(this).val();
if (val !== '') {
methods._selectPage.call(self, val - 1);
}
$ellip.empty().html(o.ellipseText);
return false;
});
}
return false;
});
}
};
$.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);
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