diff options
| -rw-r--r-- | theme/list_lib.js | 95 |
1 files changed, 86 insertions, 9 deletions
diff --git a/theme/list_lib.js b/theme/list_lib.js index 986833a13..2d5b62632 100644 --- a/theme/list_lib.js +++ b/theme/list_lib.js @@ -994,19 +994,93 @@ function get_status_HTML(dive) '</td><td class="words"> CNS: </td><td>' + dive.cns + '</td></tr></table>'; }; -function get_dive_photos(dive) +/** +* Dive Photo View +*/ + +var success; +var error; +var missing_ids; + +function show_loaded_photos() +{ + //dive photos in the current dive + var dive = items[dive_id]; + var slider = ""; + document.getElementById("divephotos").style.display = 'block'; + for (var i = 0; i < dive.photos.length; i++) { + slider += '<img src="' + location.pathname + '_files/photos/' + dive.photos[i].filename + '" alt="" height="240" width="240">'; + } + document.getElementById("slider").innerHTML = slider; +} + +function remove_missing_photos() +{ + //dive photos in the current dive + var dive = items[dive_id]; + var actually_removed = 0; + + console.log(missing_ids.length); + for(i = 0; i < missing_ids.length; i++){ + dive.photos.splice(missing_ids[i] - actually_removed, 1); + actually_removed++; + } +} + +function check_loaded_photos() { + //hide the photos div if all photos are missing + if (error >= items[dive_id].photos.length) { + document.getElementById("divephotos").style.display = 'none'; + return; + } + + //remove missing photos from the list + remove_missing_photos(); + + //view all remaining photos + show_loaded_photos(); +} + +function check_loading_finished() +{ + //if all images wasn't loaded yet + if (success + error < items[dive_id].photos.length) + return; + + check_loaded_photos(); +} + +function load_photo(url, i) { + var img = new Image(); + img.onload = function() { + success++; + check_loading_finished(); + }; + img.onerror = function() { + error++; + missing_ids.push(i); + check_loading_finished(); + }; + img.src = url; +} + +function load_all_photos(dive) +{ + //init + success = 0; + error = 0; + missing_ids = new Array(); + + //exit if no photos in this dive. if (!dive.photos || dive.photos.length <= 0) { document.getElementById("divephotos").style.display = 'none'; return ""; } - var slider = ""; - document.getElementById("divephotos").style.display = 'block'; + for (var i = 0; i < dive.photos.length; i++) { - slider += '<img src="' + location.pathname + - '_files/photos/' + dive.photos[i].filename + '" alt="" height="240" width="240">'; + load_photo(location.pathname + '_files/photos/' + dive.photos[i].filename, i); } - return slider; } function prev_photo() @@ -1017,7 +1091,7 @@ function prev_photo() items[dive_id].photos[i] = items[dive_id].photos[i + 1] } items[dive_id].photos[i] = temp; - document.getElementById("slider").innerHTML = get_dive_photos(items[dive_id]); + show_loaded_photos(); } function next_photo() @@ -1028,9 +1102,12 @@ function next_photo() items[dive_id].photos[i] = items[dive_id].photos[i - 1] } items[dive_id].photos[0] = temp; - document.getElementById("slider").innerHTML = get_dive_photos(items[dive_id]); + show_loaded_photos(); } +/** +* Helper functions +*/ function mkelvin_to_C(mkelvin) { return (mkelvin - ZERO_C_IN_MKELVIN) / 1000.0; @@ -1266,7 +1343,7 @@ function showDiveDetails(dive) document.getElementById("dive_equipment").innerHTML += get_weights_HTML(items[dive_id]); document.getElementById("bookmarks").innerHTML = get_bookmarks_HTML(items[dive_id]); document.getElementById("divestats").innerHTML = get_status_HTML(items[dive_id]); - document.getElementById("slider").innerHTML = get_dive_photos(items[dive_id]); + load_all_photos(items[dive_id]); setDiveTitle(items[dive_id]); //hide the list of dives and show the canvas. |