Pretty Photo Set linking Issues

人走茶凉 提交于 2020-06-17 04:59:21

问题


Yesterday a nice stack overflow user helped me to trigger the Jquery Prettyphoto Lightbox from a DIV element rather than an A element.

You can find that solution here

This works... Almost.

Pretty Photo looks for all the links that reference it and then compiles them into a slideshow of iframes. Normally when you click on a link it will open up the iframe lightbox corresponding to the link i clicked on.

However with this new DIV solution it is opening up to the first iframe link it finds on the page, rather than the link I click on.

This must obviously be happening because I have altered the javascript call code from

<script type="text/javascript" charset="utf-8">
    $(document).ready(function(){
        $("a[rel^='prettyPhoto[iframes]']").prettyPhoto();
    });
</script>

to

<script type="text/javascript" charset="utf-8">
    $(document).ready(function(){
        $("div[class^='prettyphoto[iframes]']").prettyPhoto();
    });
</script>

I have been going through the other JS files but I am not a javascript programmer.

I am going to post the entire JS file. Maybe someone can see what javascript I need to change to make this DIV element work like an A element.

(function($) {
$.prettyPhoto = {version: '2.5.4'};

$.fn.prettyPhoto = function(settings) {
    settings = jQuery.extend({
        animationSpeed: 'normal', /* fast/slow/normal */
        padding: 40, /* padding for each side of the picture */
        opacity: 0.80, /* Value between 0 and 1 */
        showTitle: true, /* true/false */
        allowresize: true, /* true/false */
        counter_separator_label: '/', /* The separator for the gallery counter 1 "of" 2 */
        theme: 'light_rounded', /* light_rounded / dark_rounded / light_square / dark_square */
        hideflash: false, /* Hides all the flash object on a page, set to TRUE if flash appears over prettyPhoto */
        modal: false, /* If set to true, only the close button will close the window */
        changepicturecallback: function(){}, /* Called everytime an item is shown/changed */
        callback: function(){} /* Called when prettyPhoto is closed */
    }, settings);

    // Fallback to a supported theme for IE6
    if($.browser.msie && $.browser.version == 6){
        settings.theme = "light_square";
    }

    if($('.pp_overlay').size() == 0) {
        _buildOverlay(); // If the overlay is not there, inject it!
    }else{
        // Set my global selectors
        $pp_pic_holder = $('.pp_pic_holder');
        $ppt = $('.ppt');
    }

    // Global variables accessible only by prettyPhoto
    var doresize = true, percentBased = false, correctSizes,

    // Cached selectors
    $pp_pic_holder, $ppt,

    // prettyPhoto container specific
    pp_contentHeight, pp_contentWidth, pp_containerHeight, pp_containerWidth, pp_type = 'image',

    //Gallery specific
    setPosition = 0,

    // Global elements
    $scrollPos = _getScroll();

    // Window/Keyboard events
    $(window).scroll(function(){ $scrollPos = _getScroll(); _centerOverlay(); _resizeOverlay(); });
    $(window).resize(function(){ _centerOverlay(); _resizeOverlay(); });
    $(document).keydown(function(e){
        if($pp_pic_holder.is(':visible'))
        switch(e.keyCode){
            case 37:
                $.prettyPhoto.changePage('previous');
                break;
            case 39:
                $.prettyPhoto.changePage('next');
                break;
            case 27:
                if(!settings.modal)
                $.prettyPhoto.close();
                break;
        };
    });

    // Bind the code to each links
    $(this).each(function(){
        $(this).bind('click',function(){

            link = this; // Fix scoping

            // Find out if the picture is part of a set
            theRel = $(this).attr('rel');
            galleryRegExp = /\[(?:.*)\]/;
            theGallery = galleryRegExp.exec(theRel);

            // Build the gallery array
            var images = new Array(), titles = new Array(), descriptions = new Array();
            if(theGallery){
                $('a[rel*='+theGallery+']').each(function(i){
                    if($(this)[0] === $(link)[0]) setPosition = i; // Get the position in the set
                    images.push($(this).attr('href'));
                    titles.push($(this).find('img').attr('alt'));
                    descriptions.push($(this).attr('title'));
                });
            }else{
                images = $(this).attr('href');
                titles = ($(this).find('img').attr('alt')) ?  $(this).find('img').attr('alt') : '';
                descriptions = ($(this).attr('title')) ?  $(this).attr('title') : '';
            }

            $.prettyPhoto.open(images,titles,descriptions);
            return false;
        });
    });


    /**
    * Opens the prettyPhoto modal box.
    * @param image {String,Array} Full path to the image to be open, can also be an array containing full images paths.
    * @param title {String,Array} The title to be displayed with the picture, can also be an array containing all the titles.
    * @param description {String,Array} The description to be displayed with the picture, can also be an array containing all the descriptions.
    */
    $.prettyPhoto.open = function(gallery_images,gallery_titles,gallery_descriptions) {
        // To fix the bug with IE select boxes
        if($.browser.msie && $.browser.version == 6){
            $('select').css('visibility','hidden');
        };

        // Hide the flash
        if(settings.hideflash) $('object,embed').css('visibility','hidden');

        // Convert everything to an array in the case it's a single item
        images = $.makeArray(gallery_images);
        titles = $.makeArray(gallery_titles);
        descriptions = $.makeArray(gallery_descriptions);

        if($('.pp_overlay').size() == 0) {
            _buildOverlay(); // If the overlay is not there, inject it!
        }else{
            // Set my global selectors
            $pp_pic_holder = $('.pp_pic_holder');
            $ppt = $('.ppt');
        }

        $pp_pic_holder.attr('class','pp_pic_holder ' + settings.theme); // Set the proper theme

        isSet = ($(images).size() > 0) ?  true : false; // Find out if it's a set

        _getFileType(images[setPosition]); // Set the proper file type

        _centerOverlay(); // Center it

        // Hide the next/previous links if on first or last images.
        _checkPosition($(images).size());

        $('.pp_loaderIcon').show(); // Do I need to explain?

        // Fade the content in
        $('div.pp_overlay').show().fadeTo(settings.animationSpeed,settings.opacity, function(){
            $pp_pic_holder.fadeIn(settings.animationSpeed,function(){
                // Display the current position
                $pp_pic_holder.find('p.currentTextHolder').text((setPosition+1) + settings.counter_separator_label + $(images).size());

                // Set the description
                if(descriptions[setPosition]){
                    $pp_pic_holder.find('.pp_description').show().html(unescape(descriptions[setPosition]));
                }else{
                    $pp_pic_holder.find('.pp_description').hide().text('');
                };

                // Set the title
                if(titles[setPosition] && settings.showTitle){
                    hasTitle = true;
                    $ppt.html(unescape(titles[setPosition]));
                }else{
                    hasTitle = false;
                };

                // Inject the proper content
                if(pp_type == 'image'){
                    // Set the new image
                    imgPreloader = new Image();

                    // Preload the neighbour images
                    nextImage = new Image();
                    if(isSet && setPosition > $(images).size()) nextImage.src = images[setPosition + 1];
                    prevImage = new Image();
                    if(isSet && images[setPosition - 1]) prevImage.src = images[setPosition - 1];

                    pp_typeMarkup = '<img id="fullResImage" src="" />';             
                    $pp_pic_holder.find('#pp_full_res')[0].innerHTML = pp_typeMarkup;

                    $pp_pic_holder.find('.pp_content').css('overflow','hidden');
                    $pp_pic_holder.find('#fullResImage').attr('src',images[setPosition]);

                    imgPreloader.onload = function(){
                        // Fit item to viewport
                        correctSizes = _fitToViewport(imgPreloader.width,imgPreloader.height);

                        _showContent();
                    };

                    imgPreloader.src = images[setPosition];
                }else{
                    // Get the dimensions
                    movie_width = ( parseFloat(grab_param('width',images[setPosition])) ) ? grab_param('width',images[setPosition]) : "425";
                    movie_height = ( parseFloat(grab_param('height',images[setPosition])) ) ? grab_param('height',images[setPosition]) : "344";

                    // If the size is % based, calculate according to window dimensions
                    if(movie_width.indexOf('%') != -1 || movie_height.indexOf('%') != -1){
                        movie_height = ($(window).height() * parseFloat(movie_height) / 100) - 100;
                        movie_width = ($(window).width() * parseFloat(movie_width) / 100) - 100;
                        percentBased = true;
                    }

                    movie_height = parseFloat(movie_height);
                    movie_width = parseFloat(movie_width);

                    if(pp_type == 'quicktime') movie_height+=15; // Add space for the control bar

                    // Fit item to viewport
                    correctSizes = _fitToViewport(movie_width,movie_height);

                    if(pp_type == 'youtube'){
                        pp_typeMarkup = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="'+correctSizes['width']+'" height="'+correctSizes['height']+'"><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="movie" value="http://www.youtube.com/v/'+grab_param('v',images[setPosition])+'" /><embed src="http://www.youtube.com/v/'+grab_param('v',images[setPosition])+'" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="'+correctSizes['width']+'" height="'+correctSizes['height']+'"></embed></object>';
                    }else if(pp_type == 'quicktime'){
                        pp_typeMarkup = '<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" codebase="http://www.apple.com/qtactivex/qtplugin.cab" height="'+correctSizes['height']+'" width="'+correctSizes['width']+'"><param name="src" value="'+images[setPosition]+'"><param name="autoplay" value="true"><param name="type" value="video/quicktime"><embed src="'+images[setPosition]+'" height="'+correctSizes['height']+'" width="'+correctSizes['width']+'" autoplay="true" type="video/quicktime" pluginspage="http://www.apple.com/quicktime/download/"></embed></object>';
                    }else if(pp_type == 'flash'){
                        flash_vars = images[setPosition];
                        flash_vars = flash_vars.substring(images[setPosition].indexOf('flashvars') + 10,images[setPosition].length);

                        filename = images[setPosition];
                        filename = filename.substring(0,filename.indexOf('?'));

                        pp_typeMarkup = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="'+correctSizes['width']+'" height="'+correctSizes['height']+'"><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="movie" value="'+filename+'?'+flash_vars+'" /><embed src="'+filename+'?'+flash_vars+'" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="'+correctSizes['width']+'" height="'+correctSizes['height']+'"></embed></object>';
                    }else if(pp_type == 'iframe'){
                        movie_url = images[setPosition];
                        movie_url = movie_url.substr(0,movie_url.indexOf('iframe')-1);

                        pp_typeMarkup = '<iframe src ="'+movie_url+'" width="'+(correctSizes['width']-10)+'" height="'+(correctSizes['height']-10)+'" frameborder="no"></iframe>';
                    }

                    // Show content
                    _showContent();
                }
            });
        });
    };

    /**
    * Change page in the prettyPhoto modal box
    * @param direction {String} Direction of the paging, previous or next.
    */
    $.prettyPhoto.changePage = function(direction){
        if(direction == 'previous') {
            setPosition--;
            if (setPosition < 0){
                setPosition = 0;
                return;
            }
        }else{
            if($('.pp_arrow_next').is('.disabled')) return;
            setPosition++;
        };

        // Allow the resizing of the images
        if(!doresize) doresize = true;

        _hideContent();
        $('a.pp_expand,a.pp_contract').fadeOut(settings.animationSpeed,function(){
            $(this).removeClass('pp_contract').addClass('pp_expand');
            $.prettyPhoto.open(images,titles,descriptions);
        });
    };

    /**
    * Closes the prettyPhoto modal box.
    */
    $.prettyPhoto.close = function(){
        $pp_pic_holder.find('object,embed').css('visibility','hidden');

        $('div.pp_pic_holder,div.ppt').fadeOut(settings.animationSpeed);

        $('div.pp_overlay').fadeOut(settings.animationSpeed, function(){
            $('div.pp_overlay,div.pp_pic_holder,div.ppt').remove();

            // To fix the bug with IE select boxes
            if($.browser.msie && $.browser.version == 6){
                $('select').css('visibility','visible');
            };

            // Show the flash
            if(settings.hideflash) $('object,embed').css('visibility','visible');

            setPosition = 0;

            settings.callback();
        });

        doresize = true;
    };

    /**
    * Set the proper sizes on the containers and animate the content in.
    */
    _showContent = function(){
        $('.pp_loaderIcon').hide();

        if($.browser.opera) {
            windowHeight = window.innerHeight;
            windowWidth = window.innerWidth;
        }else{
            windowHeight = $(window).height();
            windowWidth = $(window).width();
        };

        // Calculate the opened top position of the pic holder
        projectedTop = $scrollPos['scrollTop'] + ((windowHeight/2) - (correctSizes['containerHeight']/2));
        if(projectedTop < 0) projectedTop = 0 + $pp_pic_holder.find('.ppt').height();

        // Resize the content holder
        $pp_pic_holder.find('.pp_content').animate({'height':correctSizes['contentHeight']},settings.animationSpeed);

        // Resize picture the holder
        $pp_pic_holder.animate({
            'top': projectedTop,
            'left': ((windowWidth/2) - (correctSizes['containerWidth']/2)),
            'width': correctSizes['containerWidth']
        },settings.animationSpeed,function(){
            $pp_pic_holder.width(correctSizes['containerWidth']);
            $pp_pic_holder.find('.pp_hoverContainer,#fullResImage').height(correctSizes['height']).width(correctSizes['width']);

            // Fade the new image
            $pp_pic_holder.find('#pp_full_res').fadeIn(settings.animationSpeed);

            // Show the nav
            if(isSet && pp_type=="image") { $pp_pic_holder.find('.pp_hoverContainer').fadeIn(settings.animationSpeed); }else{ $pp_pic_holder.find('.pp_hoverContainer').hide(); }
            $pp_pic_holder.find('.pp_details').fadeIn(settings.animationSpeed);

            // Show the title
            if(settings.showTitle && hasTitle){
                $ppt.css({
                    'top' : $pp_pic_holder.offset().top - 20,
                    'left' : $pp_pic_holder.offset().left + (settings.padding/2),
                    'display' : 'none'
                });

                $ppt.fadeIn(settings.animationSpeed);
            };

            // Fade the resizing link if the image is resized
            if(correctSizes['resized']) $('a.pp_expand,a.pp_contract').fadeIn(settings.animationSpeed);

            // Once everything is done, inject the content if it's now a photo
            if(pp_type != 'image') $pp_pic_holder.find('#pp_full_res')[0].innerHTML = pp_typeMarkup;

            // Callback!
            settings.changepicturecallback();
        });
    };

    /**
    * Hide the content...DUH!
    */
    function _hideContent(){
        // Fade out the current picture
        $pp_pic_holder.find('#pp_full_res object,#pp_full_res embed').css('visibility','hidden');
        $pp_pic_holder.find('.pp_hoverContainer,.pp_details').fadeOut(settings.animationSpeed);
        $pp_pic_holder.find('#pp_full_res').fadeOut(settings.animationSpeed,function(){
            $('.pp_loaderIcon').show();
        });

        // Hide the title
        $ppt.fadeOut(settings.animationSpeed);
    }

    /**
    * Check the item position in the gallery array, hide or show the navigation links
    * @param setCount {integer} The total number of items in the set
    */
    function _checkPosition(setCount){
        // If at the end, hide the next link
        if(setPosition == setCount-1) {
            $pp_pic_holder.find('a.pp_next').css('visibility','hidden');
            $pp_pic_holder.find('a.pp_arrow_next').addClass('disabled').unbind('click');
        }else{ 
            $pp_pic_holder.find('a.pp_next').css('visibility','visible');
            $pp_pic_holder.find('a.pp_arrow_next.disabled').removeClass('disabled').bind('click',function(){
                $.prettyPhoto.changePage('next');
                return false;
            });
        };

        // If at the beginning, hide the previous link
        if(setPosition == 0) {
            $pp_pic_holder.find('a.pp_previous').css('visibility','hidden');
            $pp_pic_holder.find('a.pp_arrow_previous').addClass('disabled').unbind('click');
        }else{
            $pp_pic_holder.find('a.pp_previous').css('visibility','visible');
            $pp_pic_holder.find('a.pp_arrow_previous.disabled').removeClass('disabled').bind('click',function(){
                $.prettyPhoto.changePage('previous');
                return false;
            });
        };

        // Hide the bottom nav if it's not a set.
        if(setCount > 1) {
            $('.pp_nav').show();
        }else{
            $('.pp_nav').hide();
        }
    };

    /**
    * Resize the item dimensions if it's bigger than the viewport
    * @param width {integer} Width of the item to be opened
    * @param height {integer} Height of the item to be opened
    * @return An array containin the "fitted" dimensions
    */
    function _fitToViewport(width,height){
        hasBeenResized = false;

        _getDimensions(width,height);

        // Define them in case there's no resize needed
        imageWidth = width;
        imageHeight = height;

        windowHeight = $(window).height();
        windowWidth = $(window).width();

        if( ((pp_containerWidth > windowWidth) || (pp_containerHeight > windowHeight)) && doresize && settings.allowresize && !percentBased) {
            hasBeenResized = true;
            notFitting = true;

            while (notFitting){
                if((pp_containerWidth > windowWidth)){
                    imageWidth = (windowWidth - 200);
                    imageHeight = (height/width) * imageWidth;
                }else if((pp_containerHeight > windowHeight)){
                    imageHeight = (windowHeight - 200);
                    imageWidth = (width/height) * imageHeight;
                }else{
                    notFitting = false;
                };

                pp_containerHeight = imageHeight;
                pp_containerWidth = imageWidth;
            };

            _getDimensions(imageWidth,imageHeight);
        };

        return {
            width:imageWidth,
            height:imageHeight,
            containerHeight:pp_containerHeight,
            containerWidth:pp_containerWidth,
            contentHeight:pp_contentHeight,
            contentWidth:pp_contentWidth,
            resized:hasBeenResized
        };
    };

    /**
    * Get the containers dimensions according to the item size
    * @param width {integer} Width of the item to be opened
    * @param height {integer} Height of the item to be opened
    */
    function _getDimensions(width,height){
        $pp_pic_holder.find('.pp_details').width(width).find('.pp_description').width(width - parseFloat($pp_pic_holder.find('a.pp_close').css('width'))); /* To have the correct height */

        // Get the container size, to resize the holder to the right dimensions
        pp_contentHeight = height + $pp_pic_holder.find('.pp_details').height() + parseFloat($pp_pic_holder.find('.pp_details').css('marginTop')) + parseFloat($pp_pic_holder.find('.pp_details').css('marginBottom'));
        pp_contentWidth = width;
        pp_containerHeight = pp_contentHeight + $pp_pic_holder.find('.ppt').height() + $pp_pic_holder.find('.pp_top').height() + $pp_pic_holder.find('.pp_bottom').height();
        pp_containerWidth = width + settings.padding;
    }

    function _getFileType(itemSrc){
        if (itemSrc.match(/youtube\.com\/watch/i)) {
            pp_type = 'youtube';
        }else if(itemSrc.indexOf('.mov') != -1){ 
            pp_type = 'quicktime';
        }else if(itemSrc.indexOf('.swf') != -1){
            pp_type = 'flash';
        }else if(itemSrc.indexOf('iframe') != -1){
            pp_type = 'iframe'
        }else{
            pp_type = 'image';
        };
    };

    function _centerOverlay(){
        if($.browser.opera) {
            windowHeight = window.innerHeight;
            windowWidth = window.innerWidth;
        }else{
            windowHeight = $(window).height();
            windowWidth = $(window).width();
        };

        if(doresize) {
            $pHeight = $pp_pic_holder.height();
            $pWidth = $pp_pic_holder.width();
            $tHeight = $ppt.height();

            projectedTop = (windowHeight/2) + $scrollPos['scrollTop'] - ($pHeight/2);
            if(projectedTop < 0) projectedTop = 0 + $tHeight;

            $pp_pic_holder.css({
                'top': projectedTop,
                'left': (windowWidth/2) + $scrollPos['scrollLeft'] - ($pWidth/2)
            });

            $ppt.css({
                'top' : projectedTop - $tHeight,
                'left' : (windowWidth/2) + $scrollPos['scrollLeft'] - ($pWidth/2) + (settings.padding/2)
            });
        };
    };

    function _getScroll(){
        if (self.pageYOffset) {
            scrollTop = self.pageYOffset;
            scrollLeft = self.pageXOffset;
        } else if (document.documentElement && document.documentElement.scrollTop) { // Explorer 6 Strict
            scrollTop = document.documentElement.scrollTop;
            scrollLeft = document.documentElement.scrollLeft;
        } else if (document.body) {// all other Explorers
            scrollTop = document.body.scrollTop;
            scrollLeft = document.body.scrollLeft;  
        }

        return {scrollTop:scrollTop,scrollLeft:scrollLeft};
    };

    function _resizeOverlay() {
        $('div.pp_overlay').css({
            'height':$(document).height(),
            'width':$(window).width()
        });
    };

    function _buildOverlay(){
        toInject = "";

        // Build the background overlay div
        toInject += "<div class='pp_overlay'></div>";

        // Basic HTML for the picture holder
        toInject += '<div class="pp_pic_holder"><div class="pp_top"><div class="pp_left"></div><div class="pp_middle"></div><div class="pp_right"></div></div><div class="pp_content"><a href="#" class="pp_expand" title="Expand the image">Expand</a><div class="pp_loaderIcon"></div><div class="pp_hoverContainer"><a class="pp_next" href="#">next</a><a class="pp_previous" href="#">previous</a></div><div id="pp_full_res"></div><div class="pp_details clearfix"><a class="pp_close" href="#">Close</a><p class="pp_description"></p><div class="pp_nav"><a href="#" class="pp_arrow_previous">Previous</a><p class="currentTextHolder">0'+settings.counter_separator_label+'0</p><a href="#" class="pp_arrow_next">Next</a></div></div></div><div class="pp_bottom"><div class="pp_left"></div><div class="pp_middle"></div><div class="pp_right"></div></div></div>';

        // Basic html for the title holder
        toInject += '<div class="ppt"></div>';

        $('body').append(toInject);

        // So it fades nicely
        $('div.pp_overlay').css('opacity',0);

        // Set my global selectors
        $pp_pic_holder = $('.pp_pic_holder');
        $ppt = $('.ppt');

        $('div.pp_overlay').css('height',$(document).height()).hide().bind('click',function(){
            if(!settings.modal)
            $.prettyPhoto.close();
        });

        $('a.pp_close').bind('click',function(){ $.prettyPhoto.close(); return false; });

        $('a.pp_expand').bind('click',function(){
            $this = $(this); // Fix scoping

            // Expand the image
            if($this.hasClass('pp_expand')){
                $this.removeClass('pp_expand').addClass('pp_contract');
                doresize = false;
            }else{
                $this.removeClass('pp_contract').addClass('pp_expand');
                doresize = true;
            };

            _hideContent();

            $pp_pic_holder.find('.pp_hoverContainer, .pp_details').fadeOut(settings.animationSpeed);
            $pp_pic_holder.find('#pp_full_res').fadeOut(settings.animationSpeed,function(){
                $.prettyPhoto.open(images,titles,descriptions);
            });

            return false;
        });

        $pp_pic_holder.find('.pp_previous, .pp_arrow_previous').bind('click',function(){
            $.prettyPhoto.changePage('previous');
            return false;
        });

        $pp_pic_holder.find('.pp_next, .pp_arrow_next').bind('click',function(){
            $.prettyPhoto.changePage('next');
            return false;
        });

        $pp_pic_holder.find('.pp_hoverContainer').css({
            'margin-left': settings.padding/2
        });
    };
};

function grab_param(name,url){
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var results = regex.exec( url );
  if( results == null )
    return "";
  else
    return results[1];
}

})(jQuery);

Here is the link to the lighbox.

All help is appreciated.

Thanks,

Tim


回答1:


It looks like the pretty photos code is using the rel attribute explicitly, do your div's have rel? You are calling the code on $("div[class^='menuitem[iframes]']").prettyPhoto();

But then pretty photos is looking for theRel = $(this).attr('rel'); and running against that.



来源:https://stackoverflow.com/questions/1774582/pretty-photo-set-linking-issues

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