/*
* Slides, A Slideshow Plugin for jQuery
* Intructions: http://slidesjs.com
* By: Nathan Searles, http://nathansearles.com
* Version: 1.1.6
* Updated: March 23th, 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($) {
    $.fn.slides=function(g) {
        g=$.extend( {
        }
        ,$.fn.slides.option,g);
        return this.each(function() {
            $('.'+g.flash_main,$(this)).children().wrapAll('<div class="slides_control"/>');
            var d=$(this),control=$('.slides_control',d),total=control.children().size(),width=control.children().outerWidth(),height=control.children().outerHeight(),start=g.start-1,effect=g.effect.indexOf(',')<0?g.effect:g.effect.replace(' ','').split(',')[0],paginationEffect=g.effect.indexOf(',')<0?effect:g.effect.replace(' ','').split(',')[1],next=0,prev=0,number=0,current=0,loaded,active,clicked,position,direction,imageParent,pauseTimeout,playInterval;

            function animate(a,b,c) {
                if(!active&&loaded) {
                    active=true;
                    g.animationStart(current+1);
                    switch(a) {
                        case'next':prev=current;
                        next=current+1;
                        next=total===next?0:next;
                        position=width*2;
                        a=-width*2;
                        current=next;
                        break;
                        case'prev':prev=current;
                        next=current-1;
                        next=next===-1?total-1:next;
                        position=0;
                        a=0;
                        current=next;
                        break;
                        case'pagination':next=parseInt(c,10);
                        prev=$('.'+g.paginationClass+' li.current a',d).attr('href').match('[^#/]+$');
                        if(next>prev) {
                            position=width*2;
                            a=-width*2
                        } else {
                            position=0;
                            a=0
                        }
                        current=next;
                        break
                    }
                    if(b==='fade') {
                        if(g.crossfade) {
                            control.children(':eq('+next+')',d).css( {
                                zIndex:10
                            }
                            ).fadeIn(g.fadeSpeed,g.fadeEasing,function() {
                                if(g.autoHeight) {
                                    control.animate( {
                                        height:control.children(':eq('+next+')',d).outerHeight()
                                    }
                                    ,g.autoHeightSpeed,function() {
                                        control.children(':eq('+prev+')',d).css( {
                                            display:'none',zIndex:0
                                        }
                                        );
                                        control.children(':eq('+next+')',d).css( {
                                            zIndex:0
                                        }
                                        );
                                        g.animationComplete(next+1);
                                        active=false
                                    }
                                    )
                                } else {
                                    control.children(':eq('+prev+')',d).css( {
                                        display:'none',zIndex:0
                                    }
                                    );
                                    control.children(':eq('+next+')',d).css( {
                                        zIndex:0
                                    }
                                    );
                                    g.animationComplete(next+1);
                                    active=false
                                }
                            }
                            )
                        } else {
                            control.children(':eq('+prev+')',d).fadeOut(g.fadeSpeed,g.fadeEasing,function() {
                                if(g.autoHeight) {
                                    control.animate( {
                                        height:control.children(':eq('+next+')',d).outerHeight()
                                    }
                                    ,g.autoHeightSpeed,function() {
                                        control.children(':eq('+next+')',d).fadeIn(g.fadeSpeed,g.fadeEasing)
                                    }
                                    )
                                } else {
                                    control.children(':eq('+next+')',d).fadeIn(g.fadeSpeed,g.fadeEasing,function() {
                                        if($.browser.msie) {
                                            $(this).get(0).style.removeAttribute('filter')
                                        }
                                    }
                                    )
                                }
                                g.animationComplete(next+1);
                                active=false
                            }
                            )
                        }
                    } else {
                        control.children(':eq('+next+')').css( {
                            left:position,display:'block'
                        }
                        );
                        if(g.autoHeight) {
                            control.animate( {
                                left:a,height:control.children(':eq('+next+')').outerHeight()
                            }
                            ,g.slideSpeed,g.slideEasing,function() {
                                control.css( {
                                    left:-width
                                }
                                );
                                control.children(':eq('+next+')').css( {
                                    left:width,zIndex:5
                                }
                                );
                                control.children(':eq('+prev+')').css( {
                                    left:width,display:'none',zIndex:0
                                }
                                );
                                g.animationComplete(next+1);
                                active=false
                            }
                            )
                        } else {
                            control.animate( {
                                left:a
                            }
                            ,g.slideSpeed,g.slideEasing,function() {
                                control.css( {
                                    left:-width
                                }
                                );
                                control.children(':eq('+next+')').css( {
                                    left:width,zIndex:5
                                }
                                );
                                control.children(':eq('+prev+')').css( {
                                    left:width,display:'none',zIndex:0
                                }
                                );
                                g.animationComplete(next+1);
                                active=false
                            }
                            )
                        }
                    }
                    if(g.pagination) {
                        $('.'+g.paginationClass+' li.current',d).removeClass('current');
                        $('.'+g.paginationClass+' li:eq('+next+')',d).addClass('current')
                    }
                }
            }

            function stop() {
                clearInterval(d.data('interval'))
            }

            function pause() {
                if(g.pause) {
                    clearTimeout(d.data('pause'));
                    clearInterval(d.data('interval'));
                    pauseTimeout=setTimeout(function() {
                        clearTimeout(d.data('pause'));
                        playInterval=setInterval(function() {
                            animate("next",effect)
                        }
                        ,g.play);
                        d.data('interval',playInterval)
                    }
                    ,g.pause);
                    d.data('pause',pauseTimeout)
                } else {
                    stop()
                }
            }
            if(total<1) {
                return
            }
            if(start<0) {
                start=0
            }
            if(start>total) {
                start=total-1
            }
            if(g.start) {
                current=start
            }
            if(g.randomize) {
                control.randomize()
            }
            $('.'+g.flash_main,d).css( {
                overflow:'hidden',position:'relative'
            }
            );
            control.children().css( {
                position:'absolute',top:0,left:control.children().outerWidth(),zIndex:0,display:'none'
            }
            );
            control.css( {
                position:'relative',width:(width*3),height:height,left:-width
            }
            );
            $('.'+g.flash_main,d).css( {
                display:'block'
            }
            );
            if(g.autoHeight) {
                control.children().css( {
                    height:'auto'
                }
                );
                control.animate( {
                    height:control.children(':eq('+start+')').outerHeight()
                }
                ,g.autoHeightSpeed)
            }
            if(g.preload&&control.find('img').length) {
                $('.'+g.flash_main,d).css( {
                    background:'url('+g.preloadImage+') no-repeat 50% 50%'
                }
                );
                var f=control.find('img:eq('+start+')').attr('src')+'?'+(new Date()).getTime();
                if($('img',d).parent().attr('class')!='slides_control') {
                    imageParent=control.children(':eq(0)')[0].tagName.toLowerCase()
                } else {
                    imageParent=control.find('img:eq('+start+')')
                }
                control.find('img:eq('+start+')').attr('src',f).load(function() {
                    control.find(imageParent+':eq('+start+')').fadeIn(g.fadeSpeed,g.fadeEasing,function() {
                        $(this).css( {
                            zIndex:5
                        }
                        );
                        $('.'+g.flash_main,d).css( {
                            background:''
                        }
                        );
                        loaded=true;
                        g.slidesLoaded()
                    }
                    )
                }
                )
            } else {
                control.children(':eq('+start+')').fadeIn(g.fadeSpeed,g.fadeEasing,function() {
                    loaded=true;
                    g.slidesLoaded()
                }
                )
            }
            if(g.bigTarget) {
                control.children().css( {
                    cursor:'pointer'
                }
                );
                control.children().click(function() {
                    animate('next',effect);
                    return false
                }
                )
            }
            if(g.hoverPause&&g.play) {
                control.bind('mouseover',function() {
                    stop()
                }
                );
                control.bind('mouseleave',function() {
                    pause()
                }
                )
            }
            if(g.generateNextPrev) {
                $('.'+g.flash_main,d).after('<a href="#" class="'+g.prev+'">Prev</a>');
                $('.'+g.prev,d).after('<a href="#" class="'+g.next+'">Next</a>')
            }
            $('.'+g.next,d).click(function(e) {
                e.preventDefault();
                if(g.play) {
                    pause()
                }
                animate('next',effect)
            }
            );
            $('.'+g.prev,d).click(function(e) {
                e.preventDefault();
                if(g.play) {
                    pause()
                }
                animate('prev',effect)
            }
            );
            if(g.generatePagination) {
                d.append('<ul class='+g.paginationClass+'></ul>');
                control.children().each(function() {
                    $('.'+g.paginationClass,d).append('<li><a class=flash_nr_tlo_a href="#'+number+'">'+(number+1)+'</a><br /><div class=flash_nr><a class=flash_nr_a href="#'+number+'">'+(number+1)+'</a></div></li>');
                    number++
                }
                )
            } else {
                $('.'+g.paginationClass+' li a',d).each(function() {
                    $(this).attr('href','#'+number);
                    number++
                }
                )
            }
            $('.'+g.paginationClass+' li:eq('+start+')',d).addClass('current');
            $('.'+g.paginationClass+' li a',d).click(function() {
                if(g.play) {
                    pause()
                }
                clicked=$(this).attr('href').match('[^#/]+$');
                if(current!=clicked) {
                    animate('pagination',paginationEffect,clicked)
                }
                return false
            }
            );
            $('a.link',d).click(function() {
                if(g.play) {
                    pause()
                }
                clicked=$(this).attr('href').match('[^#/]+$')-1;
                if(current!=clicked) {
                    animate('pagination',paginationEffect,clicked)
                }
                return false
            }
            );
            if(g.play) {
                playInterval=setInterval(function() {
                    animate('next',effect)
                }
                ,g.play);
                d.data('interval',playInterval)
            }
        }
        )
    }
    ;
    $.fn.slides.option= {
        preload:false,preloadImage:'/img/loading.gif',flash_main:'slides_container',generateNextPrev:false,next:'next',prev:'prev',pagination:true,generatePagination:true,paginationClass:'pagination',fadeSpeed:600,fadeEasing:'',slideSpeed:600,slideEasing:'',start:1,effect:'slide',crossfade:false,randomize:false,play:0,pause:0,hoverPause:false,autoHeight:false,autoHeightSpeed:600,bigTarget:false,animationStart:function() {
        }
        ,animationComplete:function() {
        }
        ,slidesLoaded:function() {
        }
    }
    ;
    $.fn.randomize=function(c) {

        function randomizeOrder() {
            return(Math.round(Math.random())-0.5)
        }
        return($(this).each(function() {
            var $this=$(this);
            var $children=$this.children();
            var a=$children.length;
            if(a>1) {
                $children.hide();
                var b=[];
                for(i=0;i<a;i++) {
                    b[b.length]=i
                }
                b=b.sort(randomizeOrder);
                $.each(b,function(j,k) {
                    var $child=$children.eq(k);
                    var $clone=$child.clone(true);
                    $clone.show().appendTo($this);
                    if(c!==undefined) {
                        c($child,$clone)
                    }
                    $child.remove()
                }
                )
            }
        }
        ))
    }
}
)(jQuery);