source: trunk/Packages/FormManager/Types/GPS.php

<?php

include_once(dirname(__FILE__).'/Base.php');

class TypeGPS extends TypeBase
{
  function OnView(array $Item): ?string
  {
    $DbResult = $this->Database->query('SELECT * FROM `SystemGPS` WHERE `Id`='.$Item['Value']);
    if ($DbResult->num_rows > 0)
    {
      $DbRow = $DbResult->fetch_assoc();
      $Longitude = $this->Explode($DbRow['Longitude']);
      $Latitude = $this->Explode($DbRow['Latitude']);
      $Output = '<a href="https://www.mapy.cz/?st=search&fr=loc:'.$DbRow['Latitude'].' '.$DbRow['Longitude'].'">'.$Latitude[0].'°'.$Latitude[1]."'".$Latitude[2].'" '.$Longitude[0].'°'.$Longitude[1]."'".$Longitude[2].'"</a>';
    }
    return $Output;
  }

  function OnEdit(array $Item): string
  {
    if ($Item['Value'] != '')
    {
      $DbResult = $this->Database->query('SELECT * FROM `SystemGPS` WHERE `Id`='.$Item['Value']);
      if ($DbResult->num_rows > 0)
      {
        $DbRow = $DbResult->fetch_assoc();
      } else $DbRow = array('Longitude' => 0, 'Latitude' => 0);
    } else $DbRow = array('Longitude' => 0, 'Latitude' => 0);
    $Value = $this->Explode($DbRow['Latitude']);
    $Output = '<input type="text" size="3" name="'.$Item['Name'].'-lat-deg" value="'.$Value[0].'"/>°';
    $Output .= '<input type="text" size="3" name="'.$Item['Name'].'-lat-min" value="'.$Value[1].'"/>\'';
    $Output .= '<input type="text" size="3" name="'.$Item['Name'].'-lat-sec" value="'.$Value[2].'"/>"<br />';
    $Value = $this->Explode($DbRow['Longitude']);
    $Output .= '<input type="text" size="3" name="'.$Item['Name'].'-lon-deg" value="'.$Value[0].'"/>°';
    $Output .= '<input type="text" size="3" name="'.$Item['Name'].'-lon-min" value="'.$Value[1].'"/>\'';
    $Output .= '<input type="text" size="3" name="'.$Item['Name'].'-lon-sec" value="'.$Value[2].'"/>"';
    return $Output;
  }

  function OnLoad(array $Item): ?string
  {
    $Latitude = $this->Implode($_POST[$Item['Name'].'-lat-deg'], $_POST[$Item['Name'].'-lat-min'], $_POST[$Item['Name'].'-lat-sec']);
    $Longitude = $this->Implode($_POST[$Item['Name'].'-lon-deg'], $_POST[$Item['Name'].'-lon-min'], $_POST[$Item['Name'].'-lon-sec']);
    $this->Database->query('INSERT INTO SystemGPS (`Latitude`, `Longitude`) VALUES ("'.$Latitude.'", "'.$Longitude.'")');
    return $this->Database->insert_id;
  }

  function OnCanLoad(array $Item): bool
  {
    return array_key_exists($Item['Name'].'-lat-deg', $_POST) and array_key_exists($Item['Name'].'-lat-sec', $_POST) and 
    array_key_exists($Item['Name'].'-lat-min', $_POST) and array_key_exists($Item['Name'].'-lon-deg', $_POST) and
      array_key_exists($Item['Name'].'-lon-min', $_POST) and array_key_exists($Item['Name'].'-lon-sec', $_POST);
  }

  function Explode(float $Float): array
  {
    $Degrees = intval($Float);
    $Float = abs($Float);
    $Float = ($Float - intval($Float)) * 60;
    $Minutes = intval($Float);
    $Float = ($Float - intval($Float)) * 60;
    $Seconds = round($Float, 3);
    return array($Degrees, $Minutes, $Seconds);
  }

  function Implode($Degrees, $Minutes, $Seconds): float
  {
    if ($Degrees < 0) return -(abs($Degrees) + ($Minutes + $Seconds / 60) / 60);
    else return $Degrees + ($Minutes + $Seconds / 60) / 60;
  }
}