42 lines
9.9 KiB
JavaScript
42 lines
9.9 KiB
JavaScript
/**
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* jQuery lightBox plugin
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* This jQuery plugin was inspired and based on Lightbox 2 by Lokesh Dhakar (http://www.huddletogether.com/projects/lightbox2/)
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* and adapted to me for use like a plugin from jQuery.
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* @name jquery-lightbox-0.5.js
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* @author Leandro Vieira Pinho - http://leandrovieira.com
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* @version 0.5
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* @date April 11, 2008
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* @category jQuery plugin
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* @copyright (c) 2008 Leandro Vieira Pinho (leandrovieira.com)
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* @license CCAttribution-ShareAlike 2.5 Brazil - http://creativecommons.org/licenses/by-sa/2.5/br/deed.en_US
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* @example Visit http://leandrovieira.com/projects/jquery/lightbox/ for more informations about this jQuery plugin
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*/
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(function($){$.fn.lightBox=function(settings){settings=jQuery.extend({overlayBgColor:'#000',overlayOpacity:0.8,fixedNavigation:false,imageLoading:'images/lightbox-ico-loading.gif',imageBtnPrev:'images/lightbox-btn-prev.gif',imageBtnNext:'images/lightbox-btn-next.gif',imageBtnClose:'images/lightbox-btn-close.gif',imageBlank:'images/lightbox-blank.gif',containerBorderSize:10,containerResizeSpeed:400,txtImage:'Image',txtOf:'of',keyToClose:'c',keyToPrev:'p',keyToNext:'n',imageArray:[],activeImage:0},settings);var jQueryMatchedObj=this;function _initialize(){_start(this,jQueryMatchedObj);return false;}
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function _start(objClicked,jQueryMatchedObj){$('embed, object, select').css({'visibility':'hidden'});_set_interface();settings.imageArray.length=0;settings.activeImage=0;if(jQueryMatchedObj.length==1){settings.imageArray.push(new Array(objClicked.getAttribute('href'),objClicked.getAttribute('title')));}else{for(var i=0;i<jQueryMatchedObj.length;i++){settings.imageArray.push(new Array(jQueryMatchedObj[i].getAttribute('href'),jQueryMatchedObj[i].getAttribute('title')));}}
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while(settings.imageArray[settings.activeImage][0]!=objClicked.getAttribute('href')){settings.activeImage++;}
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_set_image_to_view();}
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function _set_interface(){$('body').append('<div id="jquery-overlay"></div><div id="jquery-lightbox"><div id="lightbox-container-image-box"><div id="lightbox-container-image"><img id="lightbox-image"><div style="" id="lightbox-nav"><a href="#" id="lightbox-nav-btnPrev"></a><a href="#" id="lightbox-nav-btnNext"></a></div><div id="lightbox-loading"><a href="#" id="lightbox-loading-link"><img src="'+settings.imageLoading+'"></a></div></div></div><div id="lightbox-container-image-data-box"><div id="lightbox-container-image-data"><div id="lightbox-image-details"><span id="lightbox-image-details-caption"></span><span id="lightbox-image-details-currentNumber"></span></div><div id="lightbox-secNav"><a href="#" id="lightbox-secNav-btnClose"><img src="'+settings.imageBtnClose+'"></a></div></div></div></div>');var arrPageSizes=___getPageSize();$('#jquery-overlay').css({backgroundColor:settings.overlayBgColor,opacity:settings.overlayOpacity,width:arrPageSizes[0],height:arrPageSizes[1]}).fadeIn();var arrPageScroll=___getPageScroll();$('#jquery-lightbox').css({top:arrPageScroll[1]+(arrPageSizes[3]/10),left:arrPageScroll[0]}).show();$('#jquery-overlay,#jquery-lightbox').click(function(){_finish();});$('#lightbox-loading-link,#lightbox-secNav-btnClose').click(function(){_finish();return false;});$(window).resize(function(){var arrPageSizes=___getPageSize();$('#jquery-overlay').css({width:arrPageSizes[0],height:arrPageSizes[1]});var arrPageScroll=___getPageScroll();$('#jquery-lightbox').css({top:arrPageScroll[1]+(arrPageSizes[3]/10),left:arrPageScroll[0]});});}
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function _set_image_to_view(){$('#lightbox-loading').show();if(settings.fixedNavigation){$('#lightbox-image,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();}else{$('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();}
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var objImagePreloader=new Image();objImagePreloader.onload=function(){$('#lightbox-image').attr('src',settings.imageArray[settings.activeImage][0]);_resize_container_image_box(objImagePreloader.width,objImagePreloader.height);objImagePreloader.onload=function(){};};objImagePreloader.src=settings.imageArray[settings.activeImage][0];};function _resize_container_image_box(intImageWidth,intImageHeight){var intCurrentWidth=$('#lightbox-container-image-box').width();var intCurrentHeight=$('#lightbox-container-image-box').height();var intWidth=(intImageWidth+(settings.containerBorderSize*2));var intHeight=(intImageHeight+(settings.containerBorderSize*2));var intDiffW=intCurrentWidth-intWidth;var intDiffH=intCurrentHeight-intHeight;$('#lightbox-container-image-box').animate({width:intWidth,height:intHeight},settings.containerResizeSpeed,function(){_show_image();});if((intDiffW==0)&&(intDiffH==0)){if($.browser.msie){___pause(250);}else{___pause(100);}}
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$('#lightbox-container-image-data-box').css({width:intImageWidth});$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({height:intImageHeight+(settings.containerBorderSize*2)});};function _show_image(){$('#lightbox-loading').hide();$('#lightbox-image').fadeIn(function(){_show_image_data();_set_navigation();});_preload_neighbor_images();};function _show_image_data(){$('#lightbox-container-image-data-box').slideDown('fast');$('#lightbox-image-details-caption').hide();if(settings.imageArray[settings.activeImage][1]){$('#lightbox-image-details-caption').html(settings.imageArray[settings.activeImage][1]).show();}
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if(settings.imageArray.length>1){$('#lightbox-image-details-currentNumber').html(settings.txtImage+' '+(settings.activeImage+1)+' '+settings.txtOf+' '+settings.imageArray.length).show();}}
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function _set_navigation(){$('#lightbox-nav').show();$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({'background':'transparent url('+settings.imageBlank+') no-repeat'});if(settings.activeImage!=0){if(settings.fixedNavigation){$('#lightbox-nav-btnPrev').css({'background':'url('+settings.imageBtnPrev+') left 15% no-repeat'}).unbind().bind('click',function(){settings.activeImage=settings.activeImage-1;_set_image_to_view();return false;});}else{$('#lightbox-nav-btnPrev').unbind().hover(function(){$(this).css({'background':'url('+settings.imageBtnPrev+') left 15% no-repeat'});},function(){$(this).css({'background':'transparent url('+settings.imageBlank+') no-repeat'});}).show().bind('click',function(){settings.activeImage=settings.activeImage-1;_set_image_to_view();return false;});}}
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if(settings.activeImage!=(settings.imageArray.length-1)){if(settings.fixedNavigation){$('#lightbox-nav-btnNext').css({'background':'url('+settings.imageBtnNext+') right 15% no-repeat'}).unbind().bind('click',function(){settings.activeImage=settings.activeImage+1;_set_image_to_view();return false;});}else{$('#lightbox-nav-btnNext').unbind().hover(function(){$(this).css({'background':'url('+settings.imageBtnNext+') right 15% no-repeat'});},function(){$(this).css({'background':'transparent url('+settings.imageBlank+') no-repeat'});}).show().bind('click',function(){settings.activeImage=settings.activeImage+1;_set_image_to_view();return false;});}}
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_enable_keyboard_navigation();}
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function _enable_keyboard_navigation(){$(document).keydown(function(objEvent){_keyboard_action(objEvent);});}
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function _disable_keyboard_navigation(){$(document).unbind();}
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function _keyboard_action(objEvent){if(objEvent==null){keycode=event.keyCode;escapeKey=27;}else{keycode=objEvent.keyCode;escapeKey=objEvent.DOM_VK_ESCAPE;}
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key=String.fromCharCode(keycode).toLowerCase();if((key==settings.keyToClose)||(key=='x')||(keycode==escapeKey)){_finish();}
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if((key==settings.keyToPrev)||(keycode==37)){if(settings.activeImage!=0){settings.activeImage=settings.activeImage-1;_set_image_to_view();_disable_keyboard_navigation();}}
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if((key==settings.keyToNext)||(keycode==39)){if(settings.activeImage!=(settings.imageArray.length-1)){settings.activeImage=settings.activeImage+1;_set_image_to_view();_disable_keyboard_navigation();}}}
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function _preload_neighbor_images(){if((settings.imageArray.length-1)>settings.activeImage){objNext=new Image();objNext.src=settings.imageArray[settings.activeImage+1][0];}
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if(settings.activeImage>0){objPrev=new Image();objPrev.src=settings.imageArray[settings.activeImage-1][0];}}
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function _finish(){$('#jquery-lightbox').remove();$('#jquery-overlay').fadeOut(function(){$('#jquery-overlay').remove();});$('embed, object, select').css({'visibility':'visible'});}
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function ___getPageSize(){var xScroll,yScroll;if(window.innerHeight&&window.scrollMaxY){xScroll=window.innerWidth+window.scrollMaxX;yScroll=window.innerHeight+window.scrollMaxY;}else if(document.body.scrollHeight>document.body.offsetHeight){xScroll=document.body.scrollWidth;yScroll=document.body.scrollHeight;}else{xScroll=document.body.offsetWidth;yScroll=document.body.offsetHeight;}
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var windowWidth,windowHeight;if(self.innerHeight){if(document.documentElement.clientWidth){windowWidth=document.documentElement.clientWidth;}else{windowWidth=self.innerWidth;}
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windowHeight=self.innerHeight;}else if(document.documentElement&&document.documentElement.clientHeight){windowWidth=document.documentElement.clientWidth;windowHeight=document.documentElement.clientHeight;}else if(document.body){windowWidth=document.body.clientWidth;windowHeight=document.body.clientHeight;}
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if(yScroll<windowHeight){pageHeight=windowHeight;}else{pageHeight=yScroll;}
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if(xScroll<windowWidth){pageWidth=xScroll;}else{pageWidth=windowWidth;}
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arrayPageSize=new Array(pageWidth,pageHeight,windowWidth,windowHeight);return arrayPageSize;};function ___getPageScroll(){var xScroll,yScroll;if(self.pageYOffset){yScroll=self.pageYOffset;xScroll=self.pageXOffset;}else if(document.documentElement&&document.documentElement.scrollTop){yScroll=document.documentElement.scrollTop;xScroll=document.documentElement.scrollLeft;}else if(document.body){yScroll=document.body.scrollTop;xScroll=document.body.scrollLeft;}
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arrayPageScroll=new Array(xScroll,yScroll);return arrayPageScroll;};function ___pause(ms){var date=new Date();curDate=null;do{var curDate=new Date();}
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while(curDate-date<ms);};return this.unbind('click').click(_initialize);};})(jQuery); |