343 lines
12 KiB
JavaScript
343 lines
12 KiB
JavaScript
$(document).ready(function() {
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function cachePath(path) {
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if (path == "")
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return "root";
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if (path[0] == '/')
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path = path.substring(1);
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path = path
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.replace(/ /g, "_")
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.replace(/\//g, "-")
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.replace(/\(/g, "")
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.replace(/\)/g, "")
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.replace(/#/g, "")
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.replace(/&/g, "")
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.replace(/,/g, "")
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.replace(/\[/g, "")
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.replace(/\]/g, "")
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.replace(/"/g, "")
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.replace(/'/g, "")
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.replace(/_-_/g, "-")
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.toLowerCase();
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while (path.indexOf("--") != -1)
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path = path.replace(/--/g, "-");
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while (path.indexOf("__") != -1)
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path = path.replace(/__/g, "_");
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return path;
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}
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function imagePath(image, path, size, square) {
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var suffix;
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if (square)
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suffix = size.toString() + "s";
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else
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suffix = size.toString();
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return "cache/" + cachePath(path + "/" + image + "_" + suffix + ".jpg");
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}
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function escapeId(id) {
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return id.replace(/\./g, "\\.").replace(/,/g, "\\,");
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}
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function loadAlbum() {
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if (current_album_cache in album_cache) {
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albumLoaded(album_cache[current_album_cache]);
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return;
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}
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$("#loading").show();
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$.ajax({
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type: "GET",
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url: "cache/" + current_album_cache + ".json",
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error: die,
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success: albumLoaded
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});
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}
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function albumLoaded(album) {
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undie();
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$("#loading").hide();
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album_cache[cachePath(album.path)] = album;
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current_album = album;
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if (current_photo_cache != null)
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showPhoto();
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if (cachePath(album.path) == current_album_cache)
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showAlbum(true);
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setTitle();
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}
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function trimExtension(title) {
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var index = title.lastIndexOf(".");
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if (index != -1)
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return title.substring(0, index)
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return title;
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}
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function setTitle() {
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var title = "";
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var components;
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if (current_album.path.length == 0)
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components = [document.title];
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else {
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components = current_album.path.split("/");
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components.unshift(document.title);
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}
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var last = "";
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for (var i = 0; i < components.length; ++i) {
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if (i)
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last += "/" + components[i];
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if (i < components.length - 1 || current_photo_cache != null)
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title += "<a href=\"#" + (i == 0 ? "" : cachePath(last.substring(1))) + "\">";
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title += components[i];
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if (i < components.length - 1 || current_photo_cache != null) {
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title += "</a>";
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title += " » ";
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}
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}
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if (current_photo_cache != null)
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title += trimExtension(current_photo.name);
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$("#title").html(title);
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}
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function showAlbum(populate) {
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if (current_photo_cache == null && previous_photo_cache == null)
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$("html, body").stop().animate({ scrollTop: 0 }, "slow");
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if (populate) {
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var photos = "";
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for (var i = 0; i < current_album.photos.length; ++i)
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photos += "<a href=\"#" + current_album_cache + "/" + cachePath(current_album.photos[i].name) + "\"><img title=\"" + trimExtension(current_album.photos[i].name) + "\" alt=\"" + trimExtension(current_album.photos[i].name) + "\" id=\"thumb-" + cachePath(current_album.photos[i].name) + "\" src=\"" + imagePath(current_album.photos[i].name, current_album.path, 150, true) + "\" height=\"150\" width=\"150\"></a>";
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$("#thumbs").html(photos);
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var subalbums = "";
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var thumbFinderList = new Array();
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for (var i = current_album.albums.length - 1; i >= 0; --i) {
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var path = cachePath(current_album.path + "/" + current_album.albums[i].path);
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var id = "album-" + path;
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subalbums += "<a href=\"#" + path + "\"><div title=\"" + current_album.albums[i].date + "\" id=\"" + id + "\" class=\"album-button\">" + current_album.albums[i].path + "</div></a>";
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thumbFinderList.push({ path: path, id: escapeId(id) });
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}
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$("#subalbums").html(subalbums);
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for (var i = 0; i < thumbFinderList.length; ++i)
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(function(thumb) {
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albumThumbFinder(thumb.path, function(photo, album) {
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$("#" + thumb.id).css("background-image", "url(" + imagePath(photo.name, album.path, 150, true) + ")");
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});
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})(thumbFinderList[i]);
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}
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if (current_photo_cache == null) {
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$("#album-view").removeClass("photo-view-container");
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$("#subalbums").show();
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$("#photo-view").hide();
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}
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setTimeout(scrollToThumb, 1);
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}
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function getDecimal(fraction) {
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if (fraction[0] < fraction[1])
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return fraction[0] + "/" + fraction[1];
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return (fraction[0] / fraction[1]).toString();
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}
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function scaleImage() {
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var image = $("#photo");
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if (image.get(0) == this)
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$(window).bind("resize", scaleImage);
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var container = $("#photo-view");
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if (image.css("width") != "100%" && container.height() * image.width() / image.height() > container.width())
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image.css("width", "100%").css("height", "auto");
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else if (image.css("height") != "100%")
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image.css("height", "100%").css("width", "auto");
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}
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function showPhoto() {
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currentPhoto();
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if (current_photo == null) {
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die();
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return;
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}
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undie();
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var maxSize = 800;
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var width = current_photo.size[0];
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var height = current_photo.size[1];
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if (width > height) {
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height = height / width * maxSize;
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width = maxSize;
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} else {
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width = width / height * maxSize;
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height = maxSize;
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}
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$(window).unbind("resize", scaleImage);
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$("#photo")
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.attr("width", width).attr("height", height)
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.attr("src", imagePath(current_photo.name, current_album.path, maxSize, false))
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.attr("alt", current_photo.name)
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.attr("title", current_photo.date)
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.load(scaleImage);
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var previousPhoto = current_album.photos[
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(current_photo_index - 1 < 0) ? (current_album.photos.length - 1) : (current_photo_index - 1)
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];
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var nextPhoto = current_album.photos[
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(current_photo_index + 1 >= current_album.photos.length) ? 0 : (current_photo_index + 1)
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];
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$.preloadImages(imagePath(nextPhoto.name, current_album.path, maxSize, false), imagePath(previousPhoto.name, current_album.path, maxSize, false));
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var nextLink = "#" + current_album_cache + "/" + cachePath(nextPhoto.name);
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$("#next-photo").attr("href", nextLink);
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$("#next").attr("href", nextLink);
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$("#back").attr("href", "#" + current_album_cache + "/" + cachePath(previousPhoto.name));
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$("#original-link").attr("target", "_blank").attr("href", "albums/" + current_album.path + "/" + current_photo.name);
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var text = "<table>";
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if (current_photo.make != undefined) text += "<tr><td>Camera Maker</td><td>" + current_photo.make + "</td></tr>";
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if (current_photo.model != undefined) text += "<tr><td>Camera Model</td><td>" + current_photo.model + "</td></tr>";
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if (current_photo.date != undefined) text += "<tr><td>Time Taken</td><td>" + current_photo.date + "</td></tr>";
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if (current_photo.size != undefined) text += "<tr><td>Resolution</td><td>" + current_photo.size[0] + " x " + current_photo.size[1] + "</td></tr>";
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if (current_photo.aperture != undefined) text += "<tr><td>Aperture</td><td> f/" + getDecimal(current_photo.aperture) + "</td></tr>";
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if (current_photo.focalLength != undefined) text += "<tr><td>Focal Length</td><td>" + getDecimal(current_photo.focalLength) + " mm</td></tr>";
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if (current_photo.iso != undefined) text += "<tr><td>ISO</td><td>" + current_photo.iso + "</td></tr>";
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if (current_photo.exposureTime != undefined) text += "<tr><td>Exposure Time</td><td>" + getDecimal(current_photo.exposureTime) + " sec</td></tr>";
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if (current_photo.exposureProgram != undefined) text += "<tr><td>Exposure Program</td><td>" + current_photo.exposureProgram + "</td></tr>";
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if (current_photo.exposureCompensation != undefined) text += "<tr><td>Exposure Compensation</td><td>" + getDecimal(current_photo.exposureCompensation) + "</td></tr>";
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if (current_photo.spectralSensitivity != undefined) text += "<tr><td>Spectral Sensitivity</td><td>" + current_photo.spectralSensitivity + "</td></tr>";
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if (current_photo.flash != undefined) text += "<tr><td>Flash</td><td>" + current_photo.flash + "</td></tr>";
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if (current_photo.orientation != undefined) text += "<tr><td>Orientation</td><td>" + current_photo.orientation + "</td></tr>";
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text += "</table>";
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$("#metadata").html(text);
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$("#album-view").addClass("photo-view-container");
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$("#subalbums").hide();
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$("#photo-view").show();
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}
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function scrollToThumb() {
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var photo = current_photo_cache
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if (photo == null) {
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photo = previous_photo_cache;
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if (photo == null)
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return;
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}
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var thumb = $("#thumb-" + escapeId(photo));
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if (!thumb.length)
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return;
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if (current_photo_cache != null) {
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var scroller = $("#album-view");
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scroller.stop().animate({ scrollLeft: thumb.position().left + scroller.scrollLeft() - scroller.width() / 2 + thumb.width() / 2 }, "slow");
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} else
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$("html, body").stop().animate({ scrollTop: thumb.offset().top - $(window).height() / 2 + thumb.height() }, "slow");
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}
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function currentPhoto() {
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for (current_photo_index = 0; current_photo_index < current_album.photos.length; ++current_photo_index) {
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if (cachePath(current_album.photos[current_photo_index].name) == current_photo_cache)
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break;
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}
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if (current_photo_index >= current_album.photos.length) {
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current_photo = null;
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current_photo_index = -1;
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return;
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}
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current_photo = current_album.photos[current_photo_index];
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}
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function albumForThumbIteration(album, callback) {
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album_cache[cachePath(album.path)] = album;
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var index = Math.floor(Math.random() * (album.photos.length + album.albums.length));
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if (index >= album.photos.length) {
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index -= album.photos.length;
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fetchAlbumForThumb(cachePath(album.path + "/" + album.albums[index].path), function(fetchedAlbum) {
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albumForThumbIteration(fetchedAlbum, callback);
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});
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} else
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callback(album.photos[index], album);
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}
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function fetchAlbumForThumb(album, callback) {
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if (album in album_cache) {
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callback(album_cache[album]);
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return;
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}
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$.ajax({
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type: "GET",
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url: "cache/" + album + ".json",
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success: callback
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});
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}
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function albumThumbFinder(album, callback) {
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fetchAlbumForThumb(album, function(fetchedAlbum) { albumForThumbIteration(fetchedAlbum, callback); });
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}
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function die() {
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$("#error-overlay").fadeTo(500, 0.8);
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$("#error-text").fadeIn(2500);
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$("body, html").css("overflow", "hidden");
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}
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function undie() {
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$("#error-text, #error-overlay").fadeOut(500);
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$("body, html").css("overflow", "auto");
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}
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var current_album_cache = null;
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var current_photo_cache = null;
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var previous_photo_cache = null;
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var current_album = null;
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var current_photo = null;
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var current_photo_index = -1;
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var album_cache = new Array();
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$(window).hashchange(function() {
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var new_album_cache = location.hash.substring(1);
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var index = new_album_cache.lastIndexOf("/");
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if (index != -1 && index != new_album_cache.length - 1) {
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previous_photo_cache = current_photo_cache;
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current_photo_cache = new_album_cache.substring(index + 1);
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new_album_cache = new_album_cache.substring(0, index);
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} else {
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previous_photo_cache = current_photo_cache;
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current_photo_cache = null;
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}
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if (!new_album_cache.length)
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new_album_cache = cachePath("root");
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if (new_album_cache != current_album_cache) {
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current_album_cache = new_album_cache;
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previous_photo_cache = null;
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loadAlbum();
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} else if (current_photo_cache != null) {
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showPhoto();
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showAlbum(false);
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setTitle();
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} else {
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showAlbum(false);
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setTitle();
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}
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});
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$(window).hashchange();
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$(document).keydown(function(e){
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if (current_photo_cache == null)
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return true;
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if (e.keyCode == 39) {
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window.location.href = $("#next").attr("href");
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return false;
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} else if (e.keyCode == 37) {
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window.location.href = $("#back").attr("href");
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return false;
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}
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return true;
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});
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$("#photo-box").mouseenter(function() {
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$("#photo-links").stop().fadeTo("slow", 0.50).css("display", "inline");
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});
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$("#photo-box").mouseleave(function() {
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$("#photo-links").stop().fadeOut("slow");
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});
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$("#next, #back").mouseenter(function() {
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$(this).fadeTo("slow", 1);
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});
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$("#next, #back").mouseleave(function() {
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$(this).fadeTo("slow", 0.35);
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});
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$("#metadata-link").click(function() {
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if (!$("#metadata").is(":visible"))
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$("#metadata").stop()
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.css("height", 0)
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.css("padding-top", 0)
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.css("padding-bottom", 0)
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.show()
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.animate({ height: $("#metadata > table").height(), paddingTop: 3, paddingBottom: 3 }, "slow", function() {
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$(this).css("height", "auto");
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$("#metadata-link").text($("#metadata-link").text().replace("show", "hide"));
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});
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else
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$("#metadata").stop().animate({ height: 0, paddingTop: 0, paddingBottom: 0 }, "slow", function() {
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$(this).hide();
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$("#metadata-link").text($("#metadata-link").text().replace("hide", "show"));
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});
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});
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});
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