/* $Id: auto_image_handling.js,v 1.1.4.23 2009/01/04 21:07:48 snpower Exp $ */



// Image Node Auto-Format with Auto Image Grouping.

// Original version by Steve McKenzie.

// Altered by Stella Power for jQuery version.



function parse_url(url, param) {

  param = param.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");

  url = url.replace(/&/, "&");

  var regexS = "[\\?&]"+param+"=([^&#]*)";

  var regex = new RegExp(regexS);

  var results = regex.exec(url);

  if (results === null) {

    return "";

  }

  else {

    return results[1];

  }

}





function lightbox2_init_triggers(classes, rel_type, custom_class) {

  var settings = Drupal.settings.lightbox2;



  var link_target  = "";

  if (settings.node_link_target !== 0) {

    link_target = 'target="'+ settings.node_link_target +'"';

  }



  $("a:has("+classes+")").each(function(i) {



    if ((!settings.disable_for_gallery_lists && !settings.disable_for_acidfree_gallery_lists) || (!$(this).parents("td.giAlbumCell").attr("class") && !$(this).parents(".galleries").length && !$(this).parents(".acidfree-folder").length && !$(this).parents(".acidfree-list").length) || ($(this).parents(".galleries").length && !settings.disable_for_gallery_lists) || (($(this).parents(".acidfree-folder").length || $(this).parents(".acidfree-list").length) && !settings.disable_for_acidfree_gallery_lists)) {



      var child = $(this).find(classes);



      // Ensure the child has a class attribute we can work with.

      if ($(child).attr("class") && !$(this).parents("div.acidfree-video").length) {



        // Set the alt text.

        var alt = $(child).attr("alt");

        if (!alt) {

          alt = "";

        }



        // Set the image node link text.

        var link_text = settings.node_link_text;

        var download_link_text = settings.download_link_text;



        // Set the rel attribute.

        var rel = "lightbox";

        var lightframe = false;

        if (rel_type == "lightframe_ungrouped") {

          rel = "lightframe[]";

          lightframe = true;

        }

        else if (rel_type == "lightframe") {

          lightframe = true;

        }

        else if (rel_type == "lightbox_ungrouped") {

          rel = "lightbox[]";

        }

        if (rel_type != "lightbox_ungrouped" && rel_type != "lightframe_ungrouped") {

          rel = rel_type + "[" + $(child).attr("class") + "]";

        }



        // Set the basic href attribute - need to ensure there's no language

        // string (e.g. /en) prepended to the URL.

        var id = null;

        var href = $(child).attr("src");

        var download = null;

        var orig_href = $(this).attr("href");

        var pattern = new RegExp(settings.file_path);

        if (orig_href.match(pattern)) {

          var lang_pattern = new RegExp(Drupal.settings.basePath + "\\w\\w\\/");

          orig_href = orig_href.replace(lang_pattern, Drupal.settings.basePath);

        }

        var frame_href = orig_href;



        // Handle flickr images.

        if ($(child).attr("class").match("flickr-photo-img") ||

          $(child).attr("class").match("flickr-photoset-img")) {

          href = $(child).attr("src").replace("_s.", ".").replace("_t.", ".").replace("_m.", ".").replace("_b.", ".");

          if (rel_type != "lightbox_ungrouped" && rel_type != "lightframe_ungrouped") {

            rel = rel_type + "[flickr]";

            if ($(child).parents("div.block-flickr").attr("class")) {

              id = $(child).parents("div.block-flickr").attr("id");

              rel = rel_type + "["+ id +"]";

            }

          }

        }



        // Handle "image-img_assist_custom" images.

        else if ($(child).attr("class").match("image-img_assist_custom")) {

          // Image assist uses "+" signs for spaces which doesn't work for

          // normal links.

          orig_href = orig_href.replace(/\+/, " ");

          href = $(child).attr("src").replace(new RegExp("\\.img_assist_custom"), ((settings.display_image_size === "")?settings.display_image_size:"."+ settings.display_image_size));

          if (rel_type != "lightbox_ungrouped" && rel_type != "lightframe_ungrouped") {

            rel = rel_type + "[node_images]";

          }

          if (lightframe) {

            frame_href = orig_href + "/lightbox2";

          }

        }



        // Handle "inline" images.

        else if ($(child).attr("class").match("inline")) {

          href = orig_href;

        }



        // Handle gallery2 block images.

        else if ($(child).attr("class").match("ImageFrame_image") || $(child).attr("class").match("ImageFrame_none")) {

          var thumb_id = parse_url(href, "g2_itemId");

          var new_id = parse_url(orig_href, "g2_itemId");

          if (new_id && thumb_id) {

            var g2pattern = new RegExp("g2_itemId="+thumb_id);

            var replacement = "g2_itemId="+ new_id;

            href = href.replace(g2pattern, replacement);

          }

          rel = rel_type + "[gallery2]";

          if ($(child).parents("div.block-gallery").attr("class")) {

            id = $(child).parents("div.block-gallery").attr("id");

            rel = rel_type + "["+ id +"]";

          }

        }





        // Set the href attribute.

        else if (settings.image_node_sizes != '()' && !custom_class) {

          href = $(child).attr("src").replace(new RegExp(settings.image_node_sizes), ((settings.display_image_size === "")?settings.display_image_size:"."+ settings.display_image_size)).replace(/(image\/view\/\d+)(\/[\w\-]*)/, ((settings.display_image_size === "")?"$1/_original":"$1/"+ settings.display_image_size));

          if (rel_type != "lightbox_ungrouped" && rel_type != "lightframe_ungrouped") {

            rel = rel_type + "[node_images]";

            if ($(child).parents("div.block-multiblock,div.block-image").attr("class")) {

              id = $(child).parents("div.block-multiblock,div.block-image").attr("id");

              rel = rel_type + "["+ id +"]";

            }

          }

          download = $(child).attr("src").replace(new RegExp(settings.image_node_sizes), "").replace(/(image\/view\/\d+)(\/[\w\-]*)/, "$1/_original");

          if (lightframe) {

            frame_href = orig_href + "/lightbox2";

          }

        }



        // Modify the image url.

        var img_title = $(child).attr("title");

        if (!img_title) {

          img_title = $(this).attr("title");

          if (!img_title) {

            img_title = $(child).attr("alt");

          }

          $(child).attr({title: img_title});

        }

        if (lightframe) {

          href = frame_href;

        }

        if (!custom_class) {

          var title_link = "";

          if (link_text.length) {

            title_link = "<br /><br /><a href=\"" + orig_href + "\" id=\"node_link_text\" "+ link_target +" >"+ link_text + "</a>";

          }

          if (download_link_text.length) {

            title_link = title_link + " - <a href=\"" + download + "\" id=\"download_link_text\" target=\"_blank\">" + download_link_text + "</a>";

          }

          rel = rel + "[" + alt + title_link + "]";

          $(this).attr({

            rel: rel,

            href: href

          });

        }

        else {

          if (rel_type != "lightbox_ungrouped" && rel_type != "lightframe_ungrouped") {

            rel = rel_type + "[" + $(child).attr("class") + "]";

            if ($(child).parents("div.block-image").attr("class")) {

              id = $(child).parents("div.block-image").attr("id");

              rel = rel_type + "["+ id +"]";

            }

          }

          rel = rel + "[" + alt + "]";

          $(this).attr({

            rel: rel,

            href: orig_href

          });

        }

      }

    }



  });

}



function lightbox2_init_acidfree_video() {

  var settings = Drupal.settings.lightbox2;



  var link_target  = "";

  if (settings.node_link_target !== 0) {

    link_target = 'target="'+ settings.node_link_target +'"';

  }



  var link_text = settings.node_link_text;

  var rel = "lightframe";



  $("div.acidfree-video a").each(function(i) {



    if (!settings.disable_for_acidfree_gallery_lists || (!$(this).parents(".acidfree-folder").length && !$(this).parents(".acidfree-list").length) || (($(this).parents(".acidfree-folder").length || $(this).parents(".acidfree-list").length) && !settings.disable_for_acidfree_gallery_lists)) {

      var orig_href = $(this).attr("href");

      var href = orig_href + "/lightframevideo";

      var title = $(this).attr("title");

      var title_link = "";

      if (link_text.length) {

        title_link = "<br /><a href=\"" + orig_href + "\" id=\"node_link_text\" "+ link_target +" >"+ link_text + "</a>";

      }



      $(this).attr({

        rel: rel,

        title: title + title_link,

        href: href

      });

    }

  });

}



function lightbox2_image_nodes() {



  var settings = Drupal.settings.lightbox2;



  // Don't do it on the image assist popup selection screen.

  var img_assist = document.getElementById("img_assist_thumbs");

  if (!img_assist) {



    // Select the enabled image types.

    lightbox2_init_triggers(settings.trigger_lightbox_classes, "lightbox_ungrouped");

    lightbox2_init_triggers(settings.custom_trigger_classes, settings.custom_class_handler, true);

    lightbox2_init_triggers(settings.trigger_lightbox_group_classes, "lightbox");

    lightbox2_init_triggers(settings.trigger_slideshow_classes, "lightshow");

    lightbox2_init_triggers(settings.trigger_lightframe_classes, "lightframe_ungrouped");

    lightbox2_init_triggers(settings.trigger_lightframe_group_classes, "lightframe");

    if (settings.enable_acidfree_videos) {

      lightbox2_init_acidfree_video();

    }



  }

}





Drupal.behaviors.initAutoLightbox = function (context) {

  lightbox2_image_nodes();

};