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Entry  10 May 2023, Lukas Gerritzen, Suggestion, Make sequencer more compatible with mobile devices 
    Reply  10 May 2023, Stefan Ritt, Suggestion, Make sequencer more compatible with mobile devices 
Message ID: 2508     Entry time: 10 May 2023     Reply to this: 2509
Author: Lukas Gerritzen 
Topic: Suggestion 
Subject: Make sequencer more compatible with mobile devices 
When trying to select a run script on an iPad or other mobile device, you cannot enter subdirectories. This is caused by the following part:
if (script.substring(0, 1) === "[") {
   // refuse to load script if the selected a subdirectory
   return;
}

and the fact that the <option> elements are listening for double click events, which seem to be impossible on a mobile device.

The following modification allows browsing the directories without changing the double click behaviour on a desktop:
diff --git a/resources/load_script.html b/resources/load_script.html
index 41bfdccd..36caa57f 100644
--- a/resources/load_script.html
+++ b/resources/load_script.html
@@ -59,6 +59,28 @@
 </div>

 <script>
+   document.getElementById("msg_sel").onchange = function() {
+      script = this.value;
+      button = document.getElementById("load_button");
+      if (script.substring(0, 4) === "[..]") {
+         // Change button to go back
+         enable_button_by_id("load_button");
+         button.innerHTML = "Back";
+         button.onclick = up_subdir;
+      } else if (script.substring(0, 1) === "[") {
+         // Change button to load subdirectory
+         enable_button_by_id("load_button");
+         button.innerHTML = "Enter subdirectory";
+         button.onclick = load_subdir;
+      } else {
+         // Change button to load script
+         enable_button_by_id("load_button");
+         button = document.getElementById("load_button");
+         button.innerHTML = "Load script";
+         button.onclick = load_script;
+      }
+   }
+
 function set_if_changed(id, value)
 {
    var e = document.getElementById(id);

This makes the code quoted above redundant, so the check can actually be omitted.
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