Hide and uncheck preserve copyright when original image is not selected.

Author: Simon Wahlstrom

src/class-tiny-settings.php

@@ -347,7 +347,7 @@ public function render_resize() {
     }
 
     public function render_preserve_input($name, $description) {
-        echo '<p>';
+        echo '<p class="tiny-preserve">';
         $id = sprintf(self::get_prefixed_name('preserve_data_%s'), $name);
         $field = sprintf(self::get_prefixed_name('preserve_data[%s]'), $name);
         $checked = ( $this->get_preserve_enabled($name) ? ' checked="checked"' : '' );

src/scripts/admin.js

@@ -182,8 +182,23 @@
         elements[i].disabled = !jQuery('#tinypng_resize_original_enabled').prop('checked')
       }
     }
-    update_resize_settings()
-    jQuery('#tinypng_sizes_0, #tinypng_resize_original_enabled').click(update_resize_settings)
+
+    function update_preserve_settings() {
+      if (jQuery('#tinypng_sizes_0').prop('checked')) {
+        jQuery('.tiny-preserve').show()
+      } else {
+        jQuery('.tiny-preserve').hide()
+        jQuery('#tinypng_preserve_data_copyright').attr('checked', false)
+      }
+    }
+
+    function update_settings() {
+      update_resize_settings()
+      update_preserve_settings()
+    }
+
+
+    jQuery('#tinypng_sizes_0, #tinypng_resize_original_enabled').click(update_settings)
   }
 
   jQuery('.tiny-notice a.tiny-dismiss').click(dismiss_notice)