Administrator / auto-life

  /*
  * Slides, A Slideshow Plugin for jQuery
  * Intructions: http://slidesjs.com
  * By: Nathan Searles, http://nathansearles.com
  * Version: 1.1.9
  * Updated: September 5th, 2011
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
  (function($){
  	$.fn.slides = function( option ) {
  		// override defaults with specified option
  		option = $.extend( {}, $.fn.slides.option, option );
  
  		return this.each(function(){
  			// wrap slides in control container, make sure slides are block level
  			$('.' + option.container, $(this)).children().wrapAll('<div class="slides_control"/>');
  			
  			var elem = $(this),
  				control = $('.slides_control',elem),
  				total = control.children().size(),
  				width = control.children().outerWidth(),
  				height = control.children().outerHeight(),
  				start = option.start - 1,
  				effect = option.effect.indexOf(',') < 0 ? option.effect : option.effect.replace(' ', '').split(',')[0],
  				paginationEffect = option.effect.indexOf(',') < 0 ? effect : option.effect.replace(' ', '').split(',')[1],
  				next = 0, prev = 0, number = 0, current = 0, loaded, active, clicked, position, direction, imageParent, pauseTimeout, playInterval;
  			
  			// is there only one slide?
  			if (total < 2) {
  				// Fade in .slides_container
  				$('.' + option.container, $(this)).fadeIn(option.fadeSpeed, option.fadeEasing, function(){
  					// let the script know everything is loaded
  					loaded = true;
  					// call the loaded funciton
  					option.slidesLoaded();
  				});
  				// Hide the next/previous buttons
  				$('.' + option.next + ', .' + option.prev).fadeOut(0);
  				return false;
  			}
  
  			// animate slides
  			function animate(direction, effect, clicked) {
  				if (!active && loaded) {
  					active = true;
  					// start of animation
  					option.animationStart(current + 1);
  					switch(direction) {
  						case 'next':
  							// change current slide to previous
  							prev = current;
  							// get next from current + 1
  							next = current + 1;
  							// if last slide, set next to first slide
  							next = total === next ? 0 : next;
  							// set position of next slide to right of previous
  							position = width*2;
  							// distance to slide based on width of slides
  							direction = -width*2;
  							// store new current slide
  							current = next;
  						break;
  						case 'prev':
  							// change current slide to previous
  							prev = current;
  							// get next from current - 1
  							next = current - 1;
  							// if first slide, set next to last slide
  							next = next === -1 ? total-1 : next;								
  							// set position of next slide to left of previous
  							position = 0;								
  							// distance to slide based on width of slides
  							direction = 0;		
  							// store new current slide
  							current = next;
  						break;
  						case 'pagination':
  							// get next from pagination item clicked, convert to number
  							next = parseInt(clicked,10);
  							// get previous from pagination item with class of current
  							prev = $('.' + option.paginationClass + ' li.'+ option.currentClass +' a', elem).attr('href').match('[^#/]+$');
  							// if next is greater then previous set position of next slide to right of previous
  							if (next > prev) {
  								position = width*2;
  								direction = -width*2;
  							} else {
  							// if next is less then previous set position of next slide to left of previous
  								position = 0;
  								direction = 0;
  							}
  							// store new current slide
  							current = next;
  						break;
  					}
  
  					// fade animation
  					if (effect === 'fade') {
  						// fade animation with crossfade
  						if (option.crossfade) {
  							// put hidden next above current
  							control.children(':eq('+ next +')', elem).css({
  								zIndex: 10
  							// fade in next
  							}).fadeIn(option.fadeSpeed, option.fadeEasing, function(){
  								if (option.autoHeight) {
  									// animate container to height of next
  									control.animate({
  										height: control.children(':eq('+ next +')', elem).outerHeight()
  									}, option.autoHeightSpeed, function(){
  										// hide previous
  										control.children(':eq('+ prev +')', elem).css({
  											display: 'none',
  											zIndex: 0
  										});								
  										// reset z index
  										control.children(':eq('+ next +')', elem).css({
  											zIndex: 0
  										});									
  										// end of animation
  										option.animationComplete(next + 1);
  										active = false;
  									});
  								} else {
  									// hide previous
  									control.children(':eq('+ prev +')', elem).css({
  										display: 'none',
  										zIndex: 0
  									});									
  									// reset zindex
  									control.children(':eq('+ next +')', elem).css({
  										zIndex: 0
  									});									
  									// end of animation
  									option.animationComplete(next + 1);
  									active = false;
  								}
  							});
  						} else {
  							// fade animation with no crossfade
  							control.children(':eq('+ prev +')', elem).fadeOut(option.fadeSpeed,  option.fadeEasing, function(){
  								// animate to new height
  								if (option.autoHeight) {
  									control.animate({
  										// animate container to height of next
  										height: control.children(':eq('+ next +')', elem).outerHeight()
  									}, option.autoHeightSpeed,
  									// fade in next slide
  									function(){
  										control.children(':eq('+ next +')', elem).fadeIn(option.fadeSpeed, option.fadeEasing);
  									});
  								} else {
  								// if fixed height
  									control.children(':eq('+ next +')', elem).fadeIn(option.fadeSpeed, option.fadeEasing, function(){
  										// fix font rendering in ie, lame
  										if($.browser.msie) {
  											$(this).get(0).style.removeAttribute('filter');
  										}
  									});
  								}									
  								// end of animation
  								option.animationComplete(next + 1);
  								active = false;
  							});
  						}
  					// slide animation
  					} else {
  						// move next slide to right of previous
  						control.children(':eq('+ next +')').css({
  							left: position,
  							display: 'block'
  						});
  						// animate to new height
  						if (option.autoHeight) {
  							control.animate({
  								left: direction,
  								height: control.children(':eq('+ next +')').outerHeight()
  							},option.slideSpeed, option.slideEasing, function(){
  								control.css({
  									left: -width
  								});
  								control.children(':eq('+ next +')').css({
  									left: width,
  									zIndex: 5
  								});
  								// reset previous slide
  								control.children(':eq('+ prev +')').css({
  									left: width,
  									display: 'none',
  									zIndex: 0
  								});
  								// end of animation
  								option.animationComplete(next + 1);
  								active = false;
  							});
  							// if fixed height
  							} else {
  								// animate control
  								control.animate({
  									left: direction
  								},option.slideSpeed, option.slideEasing, function(){
  									// after animation reset control position
  									control.css({
  										left: -width
  									});
  									// reset and show next
  									control.children(':eq('+ next +')').css({
  										left: width,
  										zIndex: 5
  									});
  									// reset previous slide
  									control.children(':eq('+ prev +')').css({
  										left: width,
  										display: 'none',
  										zIndex: 0
  									});
  									// end of animation
  									option.animationComplete(next + 1);
  									active = false;
  								});
  							}
  						}
  					// set current state for pagination
  					if (option.pagination) {
  						// remove current class from all
  						$('.'+ option.paginationClass +' li.' + option.currentClass, elem).removeClass(option.currentClass);
  						// add current class to next
  						$('.' + option.paginationClass + ' li:eq('+ next +')', elem).addClass(option.currentClass);
  					}
  				}
  			} // end animate function
  			
  			function stop() {
  				// clear interval from stored id
  				clearInterval(elem.data('interval'));
  			}
  
  			function pause() {
  				if (option.pause) {
  					// clear timeout and interval
  					clearTimeout(elem.data('pause'));
  					clearInterval(elem.data('interval'));
  					// pause slide show for option.pause amount
  					pauseTimeout = setTimeout(function() {
  						// clear pause timeout
  						clearTimeout(elem.data('pause'));
  						// start play interval after pause
  						playInterval = setInterval(	function(){
  							animate("next", effect);
  						},option.play);
  						// store play interval
  						elem.data('interval',playInterval);
  					},option.pause);
  					// store pause interval
  					elem.data('pause',pauseTimeout);
  				} else {
  					// if no pause, just stop
  					stop();
  				}
  			}
  				
  			// 2 or more slides required
  			if (total < 2) {
  				return;
  			}
  			
  			// error corection for start slide
  			if (start < 0) {
  				start = 0;
  			}
  			
  			if (start > total) {
  				start = total - 1;
  			}
  					
  			// change current based on start option number
  			if (option.start) {
  				current = start;
  			}
  			
  			// randomizes slide order
  			if (option.randomize) {
  				control.randomize();
  			}
  			
  			// make sure overflow is hidden, width is set
  			$('.' + option.container, elem).css({
  				overflow: 'hidden',
  				// fix for ie
  				position: 'relative'
  			});
  			
  			// set css for slides
  			control.children().css({
  				position: 'absolute',
  				top: 0, 
  				left: control.children().outerWidth(),
  				zIndex: 0,
  				display: 'none'
  			 });
  			
  			// set css for control div
  			control.css({
  				position: 'relative',
  				// size of control 3 x slide width
  				width: (width * 3),
  				// set height to slide height
  				height: height,
  				// center control to slide
  				left: -width
  			});
  			
  			// show slides
  			$('.' + option.container, elem).css({
  				display: 'block'
  			});
  
  			// if autoHeight true, get and set height of first slide
  			if (option.autoHeight) {
  				control.children().css({
  					height: 'auto'
  				});
  				control.animate({
  					height: control.children(':eq('+ start +')').outerHeight()
  				},option.autoHeightSpeed);
  			}
  			
  			// checks if image is loaded
  			if (option.preload && control.find('img:eq(' + start + ')').length) {
  				// adds preload image
  				$('.' + option.container, elem).css({
  					background: 'url(' + option.preloadImage + ') no-repeat 50% 50%'
  				});
  				
  				// gets image src, with cache buster
  				var img = control.find('img:eq(' + start + ')').attr('src') + '?' + (new Date()).getTime();
  				
  				// check if the image has a parent
  				if ($('img', elem).parent().attr('class') != 'slides_control') {
  					// If image has parent, get tag name
  					imageParent = control.children(':eq(0)')[0].tagName.toLowerCase();
  				} else {
  					// Image doesn't have parent, use image tag name
  					imageParent = control.find('img:eq(' + start + ')');
  				}
  
  				// checks if image is loaded
  				control.find('img:eq(' + start + ')').attr('src', img).load(function() {
  					// once image is fully loaded, fade in
  					control.find(imageParent + ':eq(' + start + ')').fadeIn(option.fadeSpeed, option.fadeEasing, function(){
  						$(this).css({
  							zIndex: 5
  						});
  						// removes preload image
  						$('.' + option.container, elem).css({
  							background: ''
  						});
  						// let the script know everything is loaded
  						loaded = true;
  						// call the loaded funciton
  						option.slidesLoaded();
  					});
  				});
  			} else {
  				// if no preloader fade in start slide
  				control.children(':eq(' + start + ')').fadeIn(option.fadeSpeed, option.fadeEasing, function(){
  					// let the script know everything is loaded
  					loaded = true;
  					// call the loaded funciton
  					option.slidesLoaded();
  				});
  			}
  			
  			// click slide for next
  			if (option.bigTarget) {
  				// set cursor to pointer
  				control.children().css({
  					cursor: 'pointer'
  				});
  				// click handler
  				control.children().click(function(){
  					// animate to next on slide click
  					animate('next', effect);
  					return false;
  				});									
  			}
  			
  			// pause on mouseover
  			if (option.hoverPause && option.play) {
  				control.bind('mouseover',function(){
  					// on mouse over stop
  					stop();
  				});
  				control.bind('mouseleave',function(){
  					// on mouse leave start pause timeout
  					pause();
  				});
  			}
  			
  			// generate next/prev buttons
  			if (option.generateNextPrev) {
  				$('.' + option.container, elem).after('<a href="#" class="'+ option.prev +'">Prev</a>');
  				$('.' + option.prev, elem).after('<a href="#" class="'+ option.next +'">Next</a>');
  			}
  			
  			// next button
  			$('.' + option.next ,elem).click(function(e){
  				e.preventDefault();
  				if (option.play) {
  					pause();
  				}
  				animate('next', effect);
  			});
  			
  			// previous button
  			$('.' + option.prev, elem).click(function(e){
  				e.preventDefault();
  				if (option.play) {
  					 pause();
  				}
  				animate('prev', effect);
  			});
  			
  			// generate pagination
  			if (option.generatePagination) {
  				// create unordered list
  				if (option.prependPagination) {
  					elem.prepend('<ul class='+ option.paginationClass +'></ul>');
  				} else {
  					elem.append('<ul class='+ option.paginationClass +'></ul>');
  				}
  				// for each slide create a list item and link
  				control.children().each(function(){
  					$('.' + option.paginationClass, elem).append('<li><a href="#'+ number +'">'+ (number+1) +'</a></li>');
  					number++;
  				});
  			} else {
  				// if pagination exists, add href w/ value of item number to links
  				$('.' + option.paginationClass + ' li a', elem).each(function(){
  					$(this).attr('href', '#' + number);
  					number++;
  				});
  			}
  			
  			// add current class to start slide pagination
  			$('.' + option.paginationClass + ' li:eq('+ start +')', elem).addClass(option.currentClass);
  			
  			// click handling 
  			$('.' + option.paginationClass + ' li a', elem ).click(function(){
  				// pause slideshow
  				if (option.play) {
  					 pause();
  				}
  				// get clicked, pass to animate function					
  				clicked = $(this).attr('href').match('[^#/]+$');
  				// if current slide equals clicked, don't do anything
  				if (current != clicked) {
  					animate('pagination', paginationEffect, clicked);
  				}
  				return false;
  			});
  			
  			// click handling 
  			$('a.link', elem).click(function(){
  				// pause slideshow
  				if (option.play) {
  					 pause();
  				}
  				// get clicked, pass to animate function					
  				clicked = $(this).attr('href').match('[^#/]+$') - 1;
  				// if current slide equals clicked, don't do anything
  				if (current != clicked) {
  					animate('pagination', paginationEffect, clicked);
  				}
  				return false;
  			});
  		
  			if (option.play) {
  				// set interval
  				playInterval = setInterval(function() {
  					animate('next', effect);
  				}, option.play);
  				// store interval id
  				elem.data('interval',playInterval);
  			}
  		});
  	};
  	
  	// default options
  	$.fn.slides.option = {
  		preload: false, // boolean, Set true to preload images in an image based slideshow
  		preloadImage: '/img/loading.gif', // string, Name and location of loading image for preloader. Default is "/img/loading.gif"
  		container: 'slides_container', // string, Class name for slides container. Default is "slides_container"
  		generateNextPrev: false, // boolean, Auto generate next/prev buttons
  		next: 'next', // string, Class name for next button
  		prev: 'prev', // string, Class name for previous button
  		pagination: true, // boolean, If you're not using pagination you can set to false, but don't have to
  		generatePagination: true, // boolean, Auto generate pagination
  		prependPagination: false, // boolean, prepend pagination
  		paginationClass: 'pagination', // string, Class name for pagination
  		currentClass: 'current', // string, Class name for current class
  		fadeSpeed: 350, // number, Set the speed of the fading animation in milliseconds
  		fadeEasing: '', // string, must load jQuery's easing plugin before http://gsgd.co.uk/sandbox/jquery/easing/
  		slideSpeed: 350, // number, Set the speed of the sliding animation in milliseconds
  		slideEasing: '', // string, must load jQuery's easing plugin before http://gsgd.co.uk/sandbox/jquery/easing/
  		start: 1, // number, Set the speed of the sliding animation in milliseconds
  		effect: 'slide', // string, '[next/prev], [pagination]', e.g. 'slide, fade' or simply 'fade' for both
  		crossfade: false, // boolean, Crossfade images in a image based slideshow
  		randomize: false, // boolean, Set to true to randomize slides
  		play: 0, // number, Autoplay slideshow, a positive number will set to true and be the time between slide animation in milliseconds
  		pause: 0, // number, Pause slideshow on click of next/prev or pagination. A positive number will set to true and be the time of pause in milliseconds
  		hoverPause: false, // boolean, Set to true and hovering over slideshow will pause it
  		autoHeight: false, // boolean, Set to true to auto adjust height
  		autoHeightSpeed: 350, // number, Set auto height animation time in milliseconds
  		bigTarget: false, // boolean, Set to true and the whole slide will link to next slide on click
  		animationStart: function(){}, // Function called at the start of animation
  		animationComplete: function(){}, // Function called at the completion of animation
  		slidesLoaded: function() {} // Function is called when slides is fully loaded
  	};
  	
  	// Randomize slide order on load
  	$.fn.randomize = function(callback) {
  		function randomizeOrder() { return(Math.round(Math.random())-0.5); }
  			return($(this).each(function() {
  			var $this = $(this);
  			var $children = $this.children();
  			var childCount = $children.length;
  			if (childCount > 1) {
  				$children.hide();
  				var indices = [];
  				for (i=0;i<childCount;i++) { indices[indices.length] = i; }
  				indices = indices.sort(randomizeOrder);
  				$.each(indices,function(j,k) { 
  					var $child = $children.eq(k);
  					var $clone = $child.clone(true);
  					$clone.show().appendTo($this);
  					if (callback !== undefined) {
  						callback($child, $clone);
  					}
  				$child.remove();
  			});
  			}
  		}));
  	};
  })(jQuery);