AVOSUPPORT

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Example

====== Pages - Toggle to page 1 and back ======

^ by: | Sebastian Beutel, February 2019 |
^ published: | here |
^ description: | toggle to playback page 1, and back again |
^ remarks: | idea see https://www.facebook.com/groups/Avolites/permalink/1455887577876805 |

{{tag>toggle playback page nested condition}}

==== functions ====
  * [[:macros:function:ActionScript.SetProperty]]
  * [[:macros:function:Handles.Playbacks.ChangePage]]

==== affected properties ====
  * [[:macros:property:UserMacros.CurrentUserNumber]]
  * [[:macros:property:Handles.Playbacks.Page.Index]]

==== control structures ====
  * nested if conditions, see [[macros:control_structures]]
 
===== Code =====
<code xml TogglePbPage1.xml>
<?xml version="1.0" encoding="utf-8"?>
<avolites.macros>

<!-- idea see https://www.facebook.com/groups/Avolites/permalink/1455887577876805/ -->
<!-- Sebastian Beutel, February 2019 -->

<macro id="Macros.TogglePlaybackPage" name="Toggle PB Page 1 and back">

  <sequence>
    <step> {
      if(UserMacros.CurrentUserNumber == 1000) {
        ActionScript.SetProperty("UserMacros.CurrentUserNumber", Handles.Playbacks.Page.Index);
        Handles.Playbacks.ChangePage(0);
      } else {
        if (Handles.Playbacks.Page.Index == 0){
          Handles.Playbacks.ChangePage(UserMacros.CurrentUserNumber);
          }
        ActionScript.SetProperty("UserMacros.CurrentUserNumber", 1000);
      }
    }
    </step>
  </sequence>
</macro>
</avolites.macros>
</code>


===== Explanation =====

This explains the functional steps within the sequence. For all the other XML details please refer to [[:macros:formats_and_syntax#xml_format|Formats and syntax]]

This macro abuses the property ''UserMacros.CurrentUserNumber'' as temporary cache for the current playback page number.

  * if the macro is called and ''UserMacros.CurrentUserNumber'' is 1000 then ''UserMacros.CurrentUserNumber'' is set to the current playback page, and playbacks are toggled to page 1
  * if the macro is called and ''UserMacros.CurrentUserNumber'' is NOT 1000 then playbacks are toggled to what is cached in ''UserMacros.CurrentUserNumber'', and ''UserMacros.CurrentUserNumber'' is then set to 1000

Side effects:

  * in a new show, ''UserMacros.CurrentUserNumber'' defaults to 1. At first you have to call the macro twice.
  * if you change the playback page manually after having toggled to page 1 then you have to call the macro twice.
  * this interferes with the Macro Usernumber - be aware of this when programming or calling other macros

===== How to use it =====

  * [[:macros:deploying|make this macro available]]
  * call this macro to go to Playback Page 1, and to go back to the previously active page


~~DISCUSSION~~