From 63198af4992a825e4e1ccd6daba30c798be71d8a Mon Sep 17 00:00:00 2001
From: flop25 <flop25@piwigo.org>
Date: Thu, 17 Jan 2013 18:38:54 +0000
Subject: bug:2820 & bug:2684 much better code : ability to pass max_requests
 to the js file like error_icon

git-svn-id: http://piwigo.org/svn/trunk@20212 68402e56-0260-453c-a942-63ccdbb3a9ee
---
 themes/default/js/thumbnails.loader.js          |  5 ++-
 themes/default/template/comment_list.tpl        |  2 +-
 themes/default/template/mainpage_categories.tpl | 44 ++++---------------------
 themes/default/template/thumbnails.tpl          | 44 ++++---------------------
 4 files changed, 17 insertions(+), 78 deletions(-)

diff --git a/themes/default/js/thumbnails.loader.js b/themes/default/js/thumbnails.loader.js
index b383b7276..3d54dd825 100644
--- a/themes/default/js/thumbnails.loader.js
+++ b/themes/default/js/thumbnails.loader.js
@@ -1,7 +1,10 @@
+if ( typeof( max_requests ) == "undefined" )
+  max_requests = 3;
+
 var thumbnails_queue = jQuery.manageAjax.create('queued', {
   queue: true,  
   cacheResponse: false,
-  maxRequests: 3,
+  maxRequests: max_requests,
   preventDoubleRequests: false
 });
 
diff --git a/themes/default/template/comment_list.tpl b/themes/default/template/comment_list.tpl
index f70a1a075..64b6ee2b5 100644
--- a/themes/default/template/comment_list.tpl
+++ b/themes/default/template/comment_list.tpl
@@ -9,7 +9,7 @@
 }
 {/html_style}{/strip}
 {/if}
-{footer_script}var error_icon = "{$ROOT_URL}{$themeconf.icon_dir}/errors_small.png"{/footer_script}
+{footer_script}var error_icon = "{$ROOT_URL}{$themeconf.icon_dir}/errors_small.png";{/footer_script}
 <div class="loader" style="display: none; position: fixed; right: 0;bottom: 0;"><img src="{$ROOT_URL}{$themeconf.img_dir}/ajax_loader.gif"></div>
 <ul class="commentsList">
 {foreach from=$comments item=comment name=comment_loop}
diff --git a/themes/default/template/mainpage_categories.tpl b/themes/default/template/mainpage_categories.tpl
index 8657b921b..096067703 100644
--- a/themes/default/template/mainpage_categories.tpl
+++ b/themes/default/template/mainpage_categories.tpl
@@ -7,49 +7,17 @@
 	height: {$derivative_params->max_height()+5}px;
 }
 {/html_style}{/strip}
+{footer_script}
+  var error_icon = "{$ROOT_URL}{$themeconf.icon_dir}/errors_small.png";
+  var max_requests = "{$maxRequests}";
+{/footer_script}
 <div class="loader" style="display: none; position: fixed; right: 0;bottom: 0;"><img src="{$ROOT_URL}{$themeconf.img_dir}/ajax_loader.gif"></div>
 <ul class="thumbnailCategories">
 {foreach from=$category_thumbnails item=cat name=cat_loop}
 {assign var=derivative value=$pwg->derivative($derivative_params, $cat.representative.src_image)}
-{if !$derivative->is_cached() and !$js_loaded}
+{if !$derivative->is_cached()}
 {combine_script id='jquery.ajaxmanager' path='themes/default/js/plugins/jquery.ajaxmanager.js' load='footer'}
-{*combine_script id='thumbnails.loader' path='themes/default/js/thumbnails.loader.js' require='jquery.ajaxmanager' load='footer'*}
-{footer_script}{literal}
-var thumbnails_queue = jQuery.manageAjax.create('queued', {
-  queue: true,  
-  cacheResponse: false,
-  maxRequests: {/literal}{$maxRequests}{literal},
-  preventDoubleRequests: false
-});
-
-function add_thumbnail_to_queue(img, loop) {
-  thumbnails_queue.add({
-    type: 'GET', 
-    url: img.data('src'), 
-    data: { ajaxload: 'true' },
-    dataType: 'json',
-    beforeSend: function(){jQuery('.loader').show()},
-    success: function(result) {
-      img.attr('src', result.url);
-      jQuery('.loader').hide();
-    },
-    error: function() {
-      if (loop < 3)
-        add_thumbnail_to_queue(img, ++loop); // Retry 3 times
-      img.attr('src', {/literal}"{$ROOT_URL}{$themeconf.icon_dir}/errors_small.png"{literal});
-      jQuery('.loader').hide();
-    }
-  }); 
-}
-
-function pwg_ajax_thumbnails_loader() {
-  jQuery('img[data-src]').each(function() {
-    add_thumbnail_to_queue(jQuery(this), 0);
-  });
-}
-jQuery(document).ready(pwg_ajax_thumbnails_loader);
-{/literal}{/footer_script}
-{assign var=js_loaded value=true}
+{combine_script id='thumbnails.loader' path='themes/default/js/thumbnails.loader.js' require='jquery.ajaxmanager' load='footer'}
 {/if}
   <li class="{if $smarty.foreach.cat_loop.index is odd}odd{else}even{/if}">
 		<div class="thumbnailCategory">
diff --git a/themes/default/template/thumbnails.tpl b/themes/default/template/thumbnails.tpl
index efb9fba65..82a3ac9f1 100644
--- a/themes/default/template/thumbnails.tpl
+++ b/themes/default/template/thumbnails.tpl
@@ -21,47 +21,15 @@
 {/if}
 {/if}
 {/html_style}
+{footer_script}
+  var error_icon = "{$ROOT_URL}{$themeconf.icon_dir}/errors_small.png";
+  var max_requests = "{$maxRequests}";
+{/footer_script}
 {foreach from=$thumbnails item=thumbnail}
 {assign var=derivative value=$pwg->derivative($derivative_params, $thumbnail.src_image)}
-{if !$derivative->is_cached() and !$js_loaded}
+{if !$derivative->is_cached()}
 {combine_script id='jquery.ajaxmanager' path='themes/default/js/plugins/jquery.ajaxmanager.js' load='footer'}
-{*combine_script id='thumbnails.loader' path='themes/default/js/thumbnails.loader.js' require='jquery.ajaxmanager' load='footer'*}
-{footer_script}{literal}
-var thumbnails_queue = jQuery.manageAjax.create('queued', {
-  queue: true,  
-  cacheResponse: false,
-  maxRequests: {/literal}{$maxRequests}{literal},
-  preventDoubleRequests: false
-});
-
-function add_thumbnail_to_queue(img, loop) {
-  thumbnails_queue.add({
-    type: 'GET', 
-    url: img.data('src'), 
-    data: { ajaxload: 'true' },
-    dataType: 'json',
-    beforeSend: function(){jQuery('.loader').show()},
-    success: function(result) {
-      img.attr('src', result.url);
-      jQuery('.loader').hide();
-    },
-    error: function() {
-      if (loop < 3)
-        add_thumbnail_to_queue(img, ++loop); // Retry 3 times
-      img.attr('src', {/literal}"{$ROOT_URL}{$themeconf.icon_dir}/errors_small.png"{literal});
-      jQuery('.loader').hide();
-    }
-  }); 
-}
-
-function pwg_ajax_thumbnails_loader() {
-  jQuery('img[data-src]').each(function() {
-    add_thumbnail_to_queue(jQuery(this), 0);
-  });
-}
-jQuery(document).ready(pwg_ajax_thumbnails_loader);
-{/literal}{/footer_script}
-{assign var=js_loaded value=true}
+{combine_script id='thumbnails.loader' path='themes/default/js/thumbnails.loader.js' require='jquery.ajaxmanager' load='footer'}
 {/if}
 <li>
 	<span class="wrap1">
-- 
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