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mv_timeMenu

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I just edited the tag mv_timeMenu on tagSwap. Because copy/paste on tagSwap does something with line endings that makes much code end up all being on one line, I post the routine here too. Simply copy & paste.

/*
  Creates a list of time values inside a <select></select>. Example:
  <select name="xyz" class="abc" id="def">
  [mv_timeMenu(-fromHour=800, -toHour=2300, -minutes=25, -selected=$db_value]
  </select>
*/
define_tag('mv_timeMenu', -optional='fromhour', -copy, -optional='tohour', -copy, -optional='minutes', -copy, -optional='selected', -copy, -optional='firstblank', -EncodeNone);
  local('result' = '', 'p' = 0, 'z' = 0, 'h' = 0, 'm' = 0, 'y' = 0, 'f' = false);

  if(! local_defined('firstblank'));
    local('firstblank' = 0);
  else(integer(#firstblank) <= 0);
    #firstblank = 0;
  /if;
  #firstblank = integer(#firstblank);

  if(! local_defined('fromhour'));
    local('fromhour' = 0);
  else(integer(#fromhour) <= 0);
    #fromhour = 0;
  /if;
  #fromhour = integer(#fromhour);

  if(! local_defined('tohour'));
    local('tohour' = 2359);
  else(integer(#tohour) <= 0 || integer(#tohour) >= 2400);
    #tohour = 2359;
  /if;
  #tohour = integer(#tohour);

  if(! local_defined('minutes'));
    local('minutes' = 15);
  else(integer(#minutes) <= 0);
    #minutes = 15;
  /if;
  #minutes = integer(#minutes);
  
  if(#firstblank);
    #result = '<option value="" ';
    if(local_defined('selected'));
      if(#selected == '');
        #result += ' selected="selected"';
      /if;
    /if;
    #result += '></option>';
  /if;
  
  // Calculate correct starting point
  #z = #fromhour;
  #h = integer(#z / 100);      // Take hours-part
  #m = #z - (#h * 100);      // Take minutes-part
  #y = integer(#m / #minutes);  // Calculate how many times the frequency fits

  // Calculate new minutes-starting-point
  if(#m == (#y * #minutes));
    #m = #y * #minutes;
  else;
    #m = (#y + 1) * #minutes;
  /if;
  
  #y = integer(#m / 60);      // Calculate how many hours minutes-starting-point contains
  #h += #y;            // Add those hours to the hours-part
  #m -= (#y * 60);        // Subtract the hours from minutes-starting-point
  #z = (#h * 100) + #m;      // Construct new time

  #p = 0;
  #f = false;
  while(#z <= #tohour);
    #result += '<option value="' + mv_fmtnum(#z, '####', 'R') + '" ';
    if(local_defined('selected'));
      if(!#f && #selected != '' && #selected >= #p && #selected <= #z);
        #result += ' selected="selected"';
        #f = true;
      /if;
    /if;
    #result += '>' + mv_fmtnum(#z, '##:##', 'R') + '</option>';

    #p = #z;        // Save previous time
    
    #h = integer(#z / 100);  // Take hours-part
    #m = #z - (#h * 100);  // Take minutes-part
    #m += #minutes;      // Add interval to the minutes to get total-minutes
    #y = integer(#m / 60);  // Calculate how many hours total-minutes contains
    #h += #y;        // Add those hours to the hours-part
    #m -= (#y * 60);    // Subtract the hours from total-minutes
    #z = (#h * 100) + #m;  // Construct new time
  /while;

  return(#result);
/define_tag;
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