pirobox.1_2.js

jQuery即学即用

/**
* Name: piroBox v.1.2.1
* Date: November 2009
* Autor: Diego Valobra (http://www.pirolab.it),(http://www.diegovalobra.com)
* Version: 1.2.1
* Licence: CC-BY-SA http://creativecommons.org/licenses/by-sa/2.5/it/
**/		
(function($) {
	$.fn.piroBox = function(opt) {
		opt = jQuery.extend({
		my_speed : null,
		close_speed : 300,
		bg_alpha : 0.5,
		scrollImage : null,
		pirobox_next : 'piro_next_out',
		pirobox_prev :  'piro_prev_out',
		radius : 4,
		close_all : '.piro_close,.piro_overlay',
		slideShow : null,
		slideSpeed : null //slideshow duration in seconds
		}, opt);		
		function start_pirobox() {
			var corners = 
				'<tr>'+					   
				'<td colspan="3" class="pirobox_up"></td>'+
				'</tr>'+	
				'<tr>'+	
				'<td class="t_l"></td>'+
				'<td class="t_c"></td>'+
				'<td class="t_r"></td>'+
				'</tr>'+
				'<tr>'+
				'<td class="c_l"></td>'+
				'<td class="c_c"><span><span></span></span><div></div></td>'+
				'<td class="c_r"></td>'+
				'</tr>'+
				'<tr>'+
				'<td class="b_l"></td>'+
				'<td class="b_c"></td>'+
				'<td class="b_r"></td>'+
				'</tr>'+
				'<tr>'+
				'<td colspan="3" class="pirobox_down"></td>'+
				'</tr>';
			var window_height =  $(window).height();
			var bg_overlay = $(jQuery('<div class="piro_overlay"></div>').hide().css({'opacity':+opt.bg_alpha,'height':window_height+'px'}));
			var main_cont = $(jQuery('<table class="pirobox_content" cellpadding="0" cellspacing="0"></table>'));
			var caption = $(jQuery('<div class="caption"></div>').css({'opacity':'0.8','-moz-border-radius':opt.radius+'px','-khtml-border-radius':opt.radius+'px','-webkit-border-radius':opt.radius+'px','border-radius':opt.radius+'px'}));
			var piro_nav = $(jQuery('<div class="piro_nav"></div>'));
			var piro_close = $(jQuery('<div class="piro_close"></div>'));
			var piro_play = $(jQuery('<a href="#play" class="play"></a>'));
			var piro_stop = $(jQuery('<a href="#stop" class="stop"></a>'));
			var piro_prev = $(jQuery('<a href="#prev" class="'+opt.pirobox_prev+'"></a>'));
			var piro_next = $(jQuery('<a href="#next" class="'+opt.pirobox_next+'"></a>'));				
			$('body').append(bg_overlay).append(main_cont);
			main_cont.append(corners);
			$('.pirobox_up').append(piro_close);
			$('.pirobox_down').append(piro_nav);
			$('.c_c').append(piro_play);
			piro_play.hide();
			piro_nav.append(piro_prev).append(piro_next).append(caption);
			if(piro_prev.is('.piro_prev_out') || piro_next.is('.piro_next_out')){
				$('body').append(piro_prev).append(piro_next);
				piro_prev.add(piro_next).hide()
			}else{
				piro_nav.append(piro_prev).append(piro_next);
			}
			var my_nav_w = piro_prev.width();
			main_cont.hide();
			var my_gall_classes = $("a[class^='pirobox_gall']");
			var map = new Object();
				for (var i=0; i<my_gall_classes.length; i++) {
					var it=$(my_gall_classes[i])
					map['a.'+it.attr('class')]=0;
				}
			var gall_settings = new Array();
				for (var key in map) {
					gall_settings.push(key);
					if($(key).length === 1){//check on set of images
					alert('For single image is recommended to use class pirobox');
					$(key).css('border','2px dotted red');
					}
				}
				for (var i=0; i<gall_settings.length; i++) {
					$(gall_settings[i]).each(function(rel){this.rel = rel+1 + "&nbsp;of&nbsp;" + $(gall_settings[i]).length;});
					var add_first = $(gall_settings[i]+':first').addClass('first');
					var add_last = $(gall_settings[i]+':last').addClass('last');
				}						
			$(my_gall_classes).each(function(rev){this.rev = rev+0});
			var piro_gallery = $(my_gall_classes);
			var piro_single = $('a.pirobox');
			$.fn.fixPNG = function() {
				return this.each(function () {
					var image = $(this).css('backgroundImage');
					if (image.match(/^url\(["']?(.*\.png)["']?\)$/i)) {
						image = RegExp.$1;
						$(this).css({
							'backgroundImage': 'none',
							'filter': "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=" + ($(this).css('backgroundRepeat') == 'no-repeat' ? 'crop' : 'scale') + ", src='" + image + "')"
						}).each(function () {
							var position = $(this).css('position');
							if (position != 'absolute' && position != 'relative')
								$(this).css('position', 'relative');
						});
					}
				});
			};
			$(window).resize(function(){
				var new_w_bg = $(window).height();
				bg_overlay.css({'visibility':'visible','height':+ new_w_bg +'px'});				  
			});	
			piro_prev.add(piro_next).bind('click',function(c) {
				c.preventDefault();
				var image_count = parseInt($(piro_gallery).filter('.item').attr('rev'));
				var start = $(this).is('.piro_prev_out,.piro_prev') ? $(piro_gallery).eq(image_count - 1) : $(piro_gallery).eq(image_count + 1);
				start.click();
				piro_close.add(caption).add(piro_next).add(piro_prev).css('visibility','hidden');
			});
			piro_single.each(function(d) {
				var item = $(this);
				item.bind('click',function(d) {
					d.preventDefault();
					piro_open(item.attr('href'));
					var this_url = item.attr('href');
						var descr = item.attr('title');		
						if( descr == ""){
						caption.html('<p>'+ this_url+'<a href='+ this_url +' class="link_to" target="_blank" title="Open Image in a new window"></a></p>');
						}else{
						caption.html('<p>'+ descr+'<a href='+ this_url +' class="link_to" target="_blank" title="Open Image in a new window"></a></p>');
						}
					$('.c_c').addClass('unique');
					piro_next.add(piro_prev).add(piro_close).add(caption).hide();
					$('.play').remove();
				});
			});
			$(piro_gallery).each(function(array) {
					var item = $(this);
					item.bind('click',function(c) {
						c.preventDefault();
						piro_open(item.attr('href'));
						var this_url = item.attr('href');
						var descr = item.attr('title');	
						var number = item.attr('rel');
						if( descr == ""){
						caption.html('<p>'+ this_url+'<em class="number">' + number + '</em><a href='+ this_url +' class="link_to" target="_blank" title="Open Image in a new window"></a></p>');
						}else{
						caption.html('<p>'+ descr+'<em class="number">' + number + '</em><a href='+ this_url +' class="link_to" target="_blank" title="Open Image in a new window"></a></p>');
						}
						if(item.is('.last')){
							$('.number').css('text-decoration','underline');	  
						}else{
							$('.number').css('text-decoration','none');
							}				
						if(item.is('.first')){
							piro_prev.hide();
							piro_next.show();		
						}else{
							piro_next.add(piro_prev).show();		  
						}
						if(item.is('.last')){
							piro_prev.show();
							piro_next.hide();			  
						}
						if(item.is('.last') && item.is('.first') ){
							piro_prev.add(piro_next).hide();
							$('.number').hide();
							piro_play.remove();
						}					
							$(piro_gallery).filter('.item').removeClass('item');
							item.addClass('item');
							$('.c_c').removeClass('unique');		
					});
				});
				var piro_open = function(my_url) {
					piro_play.add(piro_stop).hide();
					piro_close.add(caption).add(piro_next).add(piro_prev).css('visibility','hidden');
					if(main_cont.is(':visible')) {
						$('.c_c div').children().fadeOut(300, function() {
							$('.c_c div').children().remove();
							load_img(my_url);
						});
					} else {
						$('.c_c div').children().remove();
						main_cont.show();
						bg_overlay.fadeIn(300,function(){
							load_img(my_url);

						});
					}
				}
				var load_img = function(my_url) {
				if(main_cont.is('.loading')) {return;}
				main_cont.addClass('loading');
				var img = new Image();
				img.onerror = function (){
					var main_cont_h = $(main_cont).height();
					main_cont.css({marginTop : parseInt($(document).scrollTop())-(main_cont_h/1.9)});
				  $('.c_c div').append('<p class="err_mess">There seems to be an Error:&nbsp;<a href="#close" class="close_pirobox">Close Pirobox</a></p>');
					$('.close_pirobox').bind('click',function() {
						$('.err_mess').remove();