0

この jquery http://tympanus.net/Tutorials/FlickrPhotobarGallery/を実装しました。セット名とタイトルをキャプチャできますが、説明も取得する必要があるため、これが可能かどうかを知りたいです。

誰かが私を助けてくれることを願っています、事前に感謝します!

$(function() {
    var api_key             = '######';
    var user_id             = '####';

    /*
    use:
    Square,Thumbnail,Small,Medium or Original for the large image size you want to load!
    */
    var large_image_size    = 'Medium';
    /*
    the current Set id / the current Photo id
    */
    var photo_set_id,photo_id;
    var current = -1;
    var continueNavigation = false;
    /*
    flickr API Call to get List of Sets
    */
    var sets_service        = 'http://api.flickr.com/services/rest/?&method=flickr.photosets.getList' + '&api_key=' + api_key;
    var sets_url            = sets_service + '&user_id=' + user_id + '&format=json&jsoncallback=?';
    /*
    flickr API Call to get List of Photos from a Set
    */
    var photos_service      = 'http://api.flickr.com/services/rest/?&method=flickr.photosets.getPhotos' + '&api_key=' + api_key;
    /*
    flickr API Call to get List of Sizes of a Photo
    */
    var large_photo_service = 'http://api.flickr.com/services/rest/?&method=flickr.photos.getSizes' + '&api_key=' + api_key;
    /* 
    elements caching... 
    */
    var $setsContainer      = $('#sets').find('ul');
    var $photosContainer    = $('#images').find('ul');
    var $photopreview       = $('#flickr_photopreview');
    var $flickrOverlay      = $('#flickr_overlay');
    var $loadingStatus      = $('#flickr_toggle').find('.loading_small');

    var ul_width,spacefit,fit;
    add: LoadSets();
    /* start: open Flickr Photostream */
    $('#flickr_toggle').toggle(function(){
        $('#photobar').stop().animate({'bottom':'0px'},200,function(){
            if($setsContainer.is(':empty')){
                /*
                if sets not loaded, load them
                */
                LoadSets();
            }
        });
    },function(){
        /*
        minimize the main bar, and minimize the photos bar.
        next time we maximize, the view will be on the sets
        */
        $('#photobar').stop().animate({'bottom':'-96px'},200,function(){
            $('#images').css('bottom','-125px');
        });
    });

    /*
    Loads the User Photo Sets
    */
    function LoadSets(){
        $loadingStatus.css('visibility','visible');

        $.getJSON(sets_url,function(data){
            if(data.stat != 'fail') {
                var sets_count = data.photosets.photoset.length;
                /*
                adapt ul width based on number of results
                */
                ul_width = sets_count * 105 + 105;
                $setsContainer.css('width',ul_width + 'px');

                for(var i = 0; i < sets_count; ++i){
                    var photoset        = data.photosets.photoset[i];
                    var primary         = photoset.primary;
                    var secret          = photoset.secret;
                    var server          = photoset.server;
                    var farm            = photoset.farm;
                    /*
                    source for the small thumbnail
                    */
                    var photoUrl        = 'http://farm'+farm+'.static.flickr.com/'+server+'/'+primary+'_'+secret+'_s.jpg';
                    var $elem           = $('<li />');
                    var $link           = $('<a class="toLoad" href="#" />');
                    /*
                    save the info of the set in the li element,
                    we will use it later    
                    */
                    $link.data({
                        'primary'   :primary,
                        'secret'    :secret,
                        'server'    :server,
                        'farm'      :farm,
                        'photoUrl'  :photoUrl,
                        'setName'   :photoset.title._content,
                        'id'        :photoset.id
                    });

                    $setsContainer.append($elem.append($link));
                    $link.bind('click',function(e){
                        var $this = $(this);
                        /*
                        save the current Set id in the photo_set_id variable
                        and load the photos of that Set
                        */
                        $('#images').stop().animate({'bottom':'0px'},200);
                        if(photo_set_id!=$this.data('id')){
                            photo_set_id = $this.data('id');
                            $('#setName').html($this.data('setName'));
                            LoadPhotos();
                        }
                        e.preventDefault();
                    });
                }
                /*
                now we load the images 
                (the ones in the viewport)
                */
                LoadSetsImages();
            }
        }); 
    }

    /*
    loads the images of the sets that are in the viewport
    */
    function LoadSetsImages(){
        var toLoad          = $('.toLoad:in-viewport').size();
        if(toLoad > 0)
            $loadingStatus.css('visibility','visible');
        var images_loaded   = 0;
        $('.toLoad:in-viewport').each(function(i){
            var $space          = $setsContainer.find('.toLoad:first');
            var $img            = $('<img style="display:none;" />').load(function(){
                ++images_loaded;
                if(images_loaded == toLoad){
                    $loadingStatus.css('visibility','hidden');
                    $setsContainer.find('img').fadeIn();
                }   
            }).error(function(){
                //TODO
                ++images_loaded;
                if(images_loaded == toLoad){
                    $loadingStatus.css('visibility','hidden');
                    $setsContainer.find('img').fadeIn();
                }   
            }).attr('src',$space.data('photoUrl')).attr('alt',$space.data('id'));
            var $set_name       = $('<span />',{'html':$space.data('setName')});
            $space.append($set_name).append($img).removeClass('toLoad');
        });
    }

    /*
    Loads the Set's Photos
    */
    function LoadPhotos(){
        $photosContainer.empty();
        $loadingStatus.css('visibility','visible');
        var photos_url  = photos_service + '&photoset_id=' + photo_set_id + '&media=photos&format=json&jsoncallback=?';

        $.getJSON(photos_url,function(data){
            if(data.stat != 'fail') {
                var photo_count = data.photoset.photo.length;
                /*
                adapt ul width based on number of results
                */
                var photo_count_total = photo_count + $photosContainer.children('li').length;
                ul_width = photo_count_total * 105 + 105;
                $photosContainer.css('width',ul_width + 'px');

                for(var i = 0; i < photo_count; ++i){   
                    var photo           = data.photoset.photo[i];
                    var photoid         = photo.id;

                    var secret          = photo.secret;
                    var server          = photo.server;
                    var farm            = photo.farm;

                    var photoUrl        = 'http://farm'+farm+'.static.flickr.com/'+server+'/'+photoid+'_'+secret+'_s.jpg';

                    var $elem           = $('<li />');
                    var $link           = $('<a class="toLoad" href="#" />');

                    $link.data({
                        'photoid'       :photoid,
                        'secret'        :secret,
                        'server'        :server,
                        'farm'          :farm,
                        'photoUrl'      :photoUrl,
                        'photo_title'   :photo.title
                    });
                    $photosContainer.append($elem.append($link));

                    $link.bind('click',function(e){
                        var $this   = $(this);
                        current     = $this.parent().index();
                        photo_id    = $this.data('photoid');
                        LoadLargePhoto();
                        e.preventDefault();
                    });
                }
                LoadPhotosImages();
            }

        });
    }

    /*
    loads the images of the set's 
    photos that are in the viewport
    */
    function LoadPhotosImages(){
        var toLoad          = $('.toLoad:in-viewport').size();
        if(toLoad > 0)
            $loadingStatus.css('visibility','visible');
        var images_loaded   = 0;

        $('.toLoad:in-viewport').each(function(i){
            var $space          = $photosContainer.find('.toLoad:first');
            var $img            = $('<img style="display:none;" />').load(function(){
                ++images_loaded;
                if(images_loaded == toLoad){
                    $loadingStatus.css('visibility','hidden');
                    $photosContainer.find('img').fadeIn();
                    /*
                    if we were navigating through the large images set:
                    */
                    if(continueNavigation){
                        continueNavigation  = false;
                        var $thumb          = $photosContainer.find('li:nth-child(' + parseInt(current + 1) + ')').find('img');
                        photo_id            = $thumb.attr('alt');
                        LoadLargePhoto();
                    }
                }   
            }).error(function(){
                //TODO
                ++images_loaded;
                if(images_loaded == toLoad){
                    $loadingStatus.css('visibility','hidden');
                    $photosContainer.find('img').fadeIn();
                    /*
                    if we were navigating through the large images set:
                    */
                    if(continueNavigation){
                        continueNavigation  = false;
                        var $thumb          = $photosContainer.find('li:nth-child(' + parseInt(current + 1) + ')').find('img');
                        photo_id            = $thumb.attr('alt');
                        LoadLargePhoto();
                    }
                }               
            }).attr('src',$space.data('photoUrl'))
              .attr('alt',$space.data('photoid'));

            var $photo_title    = $('<span/>',{'html':$space.data('photo_title')});
            $space.append($photo_title).append($img).removeClass('toLoad');
        });
    }

    /*
    loads the main image
    */
    function LoadLargePhoto(){
        removeLargeImage();

        var $theThumb   = $photosContainer.find('li:nth-child(' + parseInt(current + 1) + ')').find('img');
        var photo_title = $theThumb.parent().data('photo_title');

        var $loading    = $photopreview.find('.loading');
        $loading.show();
        $photopreview.show();
        $flickrOverlay.show();
        $('#preview_close').show();

        var large_photo_url = large_photo_service + '&photo_id=' + photo_id + '&format=json&jsoncallback=?';
        $.getJSON(large_photo_url,function(data){
            if(data.stat != 'fail') {
                var count_sizes         = data.sizes.size.length;
                var largest_photo_src;
                for(var i = 0; i < count_sizes; ++i){
                    if(data.sizes.size[i].label == large_image_size)
                        largest_photo_src   = data.sizes.size[i].source;
                }
                $('<img />').load(function(){
                    var $this = $(this);
                    /*
                    resize the image to fit in the browser's window
                    */
                    resize($this);

                    $loading.hide();
                    /*just to make sure theres no image:*/
                    removeLargeImage();
                    $photopreview.find('.preview').append($this);
                    $('#large_phototitle').empty().html(photo_title);                       
                }).attr('src',largest_photo_src);
            }
        });
    }

    /*
    close the Large Image View
    */
    $('#preview_close').bind('click',function(){
        $photopreview.hide();
        $flickrOverlay.hide();
        $('#preview_close').hide();
        $('#large_phototitle').empty()
        removeLargeImage();
    });

    /*
    removes the large image from the DOM
    */
    function removeLargeImage(){
        $photopreview.find('img').remove();
    }

    /*
    events to navigate through the Large Images
    */
    $('#preview_img_next').bind('click',function(e){
        /*
        get the next one
        */
        ++current;

        var $link   = $photosContainer.find('li:nth-child(' + parseInt(current + 1) + ')');
        var $thumb  = $link.find('img');

        /* 
        if the next image is not loaded, 
        we need to scroll the photos container 
        and just then continue with the navigation
        */
        if(!$thumb.length && $link.length){
            continueNavigation = true;
            removeLargeImage();
            $photopreview.find('.loading').show();
            $('#images').find('.next').trigger('click');
        }
        else if(!$thumb.length && !$link.length){
            --current;
            return;
        }   
        else{   
            photo_id    = $thumb.attr('alt');
            LoadLargePhoto();
        }   
        e.preventDefault();
    });
    $('#preview_img_prev').bind('click',function(e){
        /*
        get the previous one
        */
        var $link   = $photosContainer.find('li:nth-child(' + parseInt(current) + ')');
        --current;
        var $thumb  = $link.find('img');

        /* 
        if the previous image is not in the viewport, 
        we need to scroll the photos container 
        and just then continue with the navigation
        */
        if(!$thumb.length && !$link.length){
            ++current;
            return;
        }
        if(!$thumb.is(':in-viewport') && $link.length){
            $('#images').find('.prev').trigger('click');
        }                       
        photo_id    = $thumb.attr('alt');
        LoadLargePhoto();   
        e.preventDefault();
    });

    /*
    events to navigate through the sets / photos containers
    */
    var scrollAllow = true;
    $('#sets,#images').find('.next').bind('click',function(e) {
        var target_id = $(e.target).parent().attr('id');

        var $theContainer;
        if(target_id == 'sets')
            $theContainer = $setsContainer;
        else if(target_id == 'images')
            $theContainer = $photosContainer;

        if(scrollAllow){
            scrollAllow     = false;
            spacefit        = $(window).width() -44;
            fit             = Math.floor(spacefit / 105);
            var left        = parseFloat($theContainer.css('left'),10);
            var moveleft    = left - (fit*105);
            if(ul_width - Math.abs(left) < $(window).width()){ 
                scrollAllow = true;
                e.preventDefault();
                return;
            }
            $theContainer.animate({'left':moveleft+'px'},1000,function(){
                scrollAllow = true;
                if(target_id == 'sets')
                    LoadSetsImages();
                else if(target_id == 'images')
                    LoadPhotosImages();
            });
            e.preventDefault();
        }
    });
    $('#sets,#images').find('.prev').bind('click',function(e) {
        var target_id = $(e.target).parent().attr('id');

        var $theContainer;
        if(target_id == 'sets')
            $theContainer = $setsContainer;
        else if(target_id == 'images')
            $theContainer = $photosContainer;

        if(scrollAllow){
            scrollAllow     = false;
            spacefit        = $(window).width() -44;
            fit             = Math.floor(spacefit / 105);
            var left = parseFloat($theContainer.css('left'),10);
            var moveleft = left + (fit*105);
            if(left >= 0){ 
                scrollAllow = true;
                e.preventDefault();
                return;
            }
            $theContainer.animate({'left':moveleft+'px'},1000,function(){
                scrollAllow = true;
            });
            e.preventDefault();
        }
    });

    /*
    when cliking "Back to Sets"
    minimize photos bar
    */
    $('#images_toggle').bind('click',function(){
        $('#images').stop().animate({'bottom':'-125px'},200);
    }); 

    /*
    when resizing the window, resize the main image
    */
    $(window).bind('resize', function() {
        var $theLargeImage = $photopreview.find('img');
        if($theLargeImage.length)
            resize($theLargeImage);
    }); 

    /*
    resizes the main image based on the windows sizes
    */      
    function resize($image){
        var widthMargin     = 10
        var heightMargin    = 60;
        var windowH      = $(window).height()-heightMargin;
        var windowW      = $(window).width()-widthMargin;
        $photopreview.find('.preview').css({'width':$(window).width()+'px','height':($(window).height()-25)+'px'});
        var theImage     = new Image();
        theImage.src     = $image.attr("src");
        var imgwidth     = theImage.width;
        var imgheight    = theImage.height;

        if((imgwidth > windowW)||(imgheight > windowH)){
            if(imgwidth > imgheight){
                var newwidth    = windowW;
                var ratio       = imgwidth / windowW;
                var newheight   = imgheight / ratio;
                theImage.height = newheight;
                theImage.width  = newwidth;
                if(newheight>windowH){
                    var newnewheight= windowH;
                    var newratio    = newheight/windowH;
                    var newnewwidth = newwidth/newratio;
                    theImage.width  = newnewwidth;
                    theImage.height = newnewheight;
                }
            }
            else{
                var newheight = windowH;
                var ratio = imgheight / windowH;
                var newwidth = imgwidth / ratio;
                theImage.height = newheight;
                theImage.width= newwidth;
                if(newwidth>windowW){
                    var newnewwidth = windowW;
                    var newratio = newwidth/windowW;
                    var newnewheight =newheight/newratio;
                    theImage.height = newnewheight;
                    theImage.width= newnewwidth;
                }
            }
        }
        $image.css({'width':theImage.width+'px','height':theImage.height+'px'});
    }
});
4

1 に答える 1

0

セットの説明が必要な場合は、flickr.photosets.getInfoを呼び出すことができます。

これとは関係ありませんが、flickr.photosets.getPhotos を呼び出すときに取得したいすべての URL を指定する extras パラメーターを渡すことで、セット内の写真ごとに flickr.photos.getSizes への API 呼び出しを保存できます。任意のサイズの識別子 (sq、t、m、l、o など) については、余分な url_(identifier) を渡すだけです (そのため、url_o は、元の URL が利用可能な場合、元の URL を含むようにします)。これはここに文書化されています: http://www.flickr.com/services/api/flickr.photosets.getPhotos.html

于 2012-11-12T06:30:18.183 に答える