Merge pull request #2589 from laf/issue-2580

Added option to disable lazy loading of images

doc/Support/Configuration.md

@@ -177,6 +177,11 @@ $config['web_mouseover']      = TRUE;
 ```
 You can disable the mouseover popover for mini graphs by setting this to FALSE.
 
+```php
+$config['enable_lazy_load'] = true;
+```
+You can disable image lazy loading by setting this to false.
+
 ```php
 $config['show_overview_tab'] = TRUE;
 ```

html/includes/functions.inc.php

@@ -461,6 +461,7 @@ function generate_graph_tag($args) {
 }//end generate_graph_tag()
 
 function generate_lazy_graph_tag($args) {
+    global $config;
     $urlargs = array();
     $w = 0;
     $h = 0;
@@ -476,7 +477,12 @@ function generate_lazy_graph_tag($args) {
         $urlargs[] = $key."=".urlencode($arg);
     }
 
+    if ($config['enable_lazy_load'] === true) {
         return '<img class="lazy graphs" width="'.$w.'" height="'.$h.'" data-original="graph.php?' . implode('&amp;',$urlargs).'" border="0" />';
+    }
+    else {
+        return '<img class="graphs" width="'.$w.'" height="'.$h.'" src="graph.php?' . implode('&amp;',$urlargs).'" border="0" />';
+    }
 
 }//end generate_lazy_graph_tag()
 

html/index.php

@@ -165,8 +165,14 @@ else {
   <script src="js/jquery.bootgrid.min.js"></script>
   <script src="js/handlebars.min.js"></script>
   <script src="js/pace.min.js"></script>
+    <?php
+        if ($config['enable_lazy_load'] === true) {
+    ?>
   <script src="js/jquery.lazyload.min.js"></script>
   <script src="js/lazyload.js"></script>
+    <?php
+        }
+    ?>
   <script src="js/librenms.js"></script>
   <script type="text/javascript">
 

includes/defaults.inc.php

@@ -127,6 +127,7 @@ $config['page_title_prefix'] = '';
 $config['page_title_suffix'] = $config['project_name'];
 $config['timestamp_format']  = 'd-m-Y H:i:s';
 $config['page_gen']          = 0;
+$config['enable_lazy_load']  = true;
 // display MySqL & PHP stats in footer?
 $config['login_message'] = 'Unauthorised access or use shall render the user liable to criminal and/or civil prosecution.';
 $config['public_status'] = false;