add PIN transcoding

resources/settings/properties.xml

@@ -65,6 +65,14 @@
   -->
   <property id="confirm_timeout" type="number">3</property>
 
+  <!--
+    This mask transcodes the plain text PIN from the public dashboard config.
+    Every digit is used to increase the corresponding digit at this position
+    in the PIN by the value given, starting at 1 if a value bigger than 4 has 
+    been reached.
+  -->
+  <property id="pin_mask" type="string"></property>
+
   <!--
     Left to right or right to left text. Language dependent.
   -->

resources/settings/settings.xml

@@ -79,6 +79,13 @@
     <settingConfig type="numeric" min="0" />
   </setting>
 
+  <setting
+    propertyKey="@Properties.pin_mask"
+    title="@Strings.SettingsPinMask"
+  >
+    <settingConfig type="alphaNumeric" />
+  </setting>
+
   <setting
     propertyKey="@Properties.menu_alignment"
     title="@Strings.SettingsTextAlign"

resources/strings/strings.xml

@@ -53,6 +53,7 @@
   <string id="SettingsAppTimeout">Timeout in seconds. Exit the application after this period of inactivity to save the device battery.</string>
   <string id="SettingsPollDelay">Additional poll delay (in seconds). Adds a delay between the status update of all menu items.</string>
   <string id="SettingsConfirmTimeout">After this time (in seconds), a confirmation dialog for an action is automatically closed and the action is cancelled. Set to 0 to disable the timeout.</string>
+  <string id="SettingsPinMask">Integer Mask to transcode the plain text PIN from the public dashboard config.</string>
   <string id="SettingsTextAlign">Left (off) or Right (on) Menu Alignment.</string>
   <string id="LeftToRight">Left to right</string>
   <string id="RightToLeft">Right to Left</string>