partstock/includes/other_functions.php

<?php

function OtherGetAvailableTemplates ()
{
	$ReturnValue=array();
	$DirList=scandir('./templates/');
	foreach ($DirList as $i)
	{
		if (!is_dir('./templates/'.$i) || (substr($i,0,1)=="."))
			continue;
		$ReturnValue[count($ReturnValue)]=$i;
	}
	return $ReturnValue;
}

function OtherFormatPrice ($PriceString)
{
  global $GlobalDecimalPoint;
  return str_replace(".",$GlobalDecimalPoint,sprintf("%.3f",OtherConvertToFloat($PriceString)));
}

function OtherConvertToFloat ($Value)
{
  global $GlobalDecimalPoint;
  $Value=trim($Value);
  for ($i=0;$i<(strlen($Value)-1);$i++)
  {
    //replace first non-decimal position with decimal-point
    if ( ! ($Value[$i]=="0"
          || $Value[$i]=="1"
          || $Value[$i]=="2"
          || $Value[$i]=="3"
          || $Value[$i]=="4"
          || $Value[$i]=="5"
          || $Value[$i]=="6"
          || $Value[$i]=="7"
          || $Value[$i]=="8"
          || $Value[$i]=="9"
        ))
    {
      $Value[$i]=$GlobalDecimalPoint;
      break;
    }
  }
  return (float) $Value;
}

function OtherSiPrefixToFloat ($String)
{
  $String=trim($String);
  if (substr($String,strlen($String)-1,1)=="E")
    return OtherConvertToFloat($String)*1000000000000000000;
  if (substr($String,strlen($String)-1,1)=="P")
    return OtherConvertToFloat($String)*1000000000000000;
  if (substr($String,strlen($String)-1,1)=="T")
    return OtherConvertToFloat($String)*1000000000000;
  if (substr($String,strlen($String)-1,1)=="G")
    return OtherConvertToFloat($String)*1000000000;
  if (substr($String,strlen($String)-1,1)=="M")
    return OtherConvertToFloat($String)*1000000;
  if (substr($String,strlen($String)-1,1)=="k")
    return OtherConvertToFloat($String)*1000;
  if (substr($String,strlen($String)-1,1)=="m")
    return OtherConvertToFloat($String)/1000;
  if (substr($String,strlen($String)-1,1)=="µ")
    return OtherConvertToFloat($String)/1000000;
  if (substr($String,strlen($String)-1,1)=="u")
    return OtherConvertToFloat($String)/1000000;
  if (substr($String,strlen($String)-1,1)=="n")
    return OtherConvertToFloat($String)/1000000000;
  if (substr($String,strlen($String)-1,1)=="p")
    return OtherConvertToFloat($String)/1000000000000;
  if (substr($String,strlen($String)-1,1)=="f")
    return OtherConvertToFloat($String)/1000000000000000;
  if (substr($String,strlen($String)-1,1)=="a")
    return OtherConvertToFloat($String)/1000000000000000000;
  else
    return OtherConvertToFloat($String);
}

function OtherFloatToSiPrefix ($Integer)
{
  $Integer = trim(sprintf("%E",$Integer));
  $Exponent=0;
  for ($i=(strlen($Integer)-1); $i>=0; $i--)
  {
    if ($Integer[$i]=="E") break;
    $Exponent = $Integer[$i] . $Exponent;
  }
  $Exponent = substr($Exponent,0,strlen($Exponent)-1);
  //set si prefix
  if ($Exponent>=18) return ($Integer/1000000000000000000)." E";
  if ($Exponent>=15) return ($Integer/1000000000000000)." P";
  if ($Exponent>=12) return ($Integer/1000000000000)." T";
  if ($Exponent>=9) return ($Integer/1000000000)." G";
  if ($Exponent>=6) return ($Integer/1000000)." M";
  if ($Exponent>=3) return ($Integer/1000)." k";
  if ($Exponent<3 && $Exponent>=0) return ($Integer/1)." ";
  if ($Exponent<-15) return ($Integer*1000000000000000)." a";
  if ($Exponent<-12) return ($Integer*1000000000000000)." f";
  if ($Exponent<-9) return ($Integer*1000000000000)." p";
  if ($Exponent<-6) return ($Integer*1000000000)." n";
  if ($Exponent<-3) return ($Integer*1000000)." µ";
  if ($Exponent<0) return ($Integer*1000)." m";
}

function OtherGetIcon ($IconName,$CssClass)
{
  global $GlobalTemplate;
  $IconDirectory='./templates/'.$GlobalTemplate.'/icons/';
  $Error = 0;
  $RetVal = "";

  if (file_exists($IconDirectory.$IconName.".png")) $IconFile=$IconName.".png";
  elseif (file_exists($IconDirectory.$IconName.".jpg")) $IconFile=$IconName.".jpg";
  elseif (file_exists($IconDirectory.$IconName.".gif")) $IconFile=$IconName.".gif";
  else
  {
    $Error = 1;
    //log if template directory is existing - if not, anyone else will report this
    if (file_exists("./templates/".$GlobalTemplate))  ErrorLog("Icon '$IconName' +[.png|.jpg|.gif] not found!");
  }

  if (!$Error)
  {
    $RetVal = "<img src=\"$IconDirectory$IconFile\"".(($CssClass)? " class=\"$CssClass\"":"").">";
  }

  return $RetVal;
}


// Returns a html <img> tag
function OtherGetPictureImg($part_id, $max_width=0, $max_height=0) {

    // create anchor tag
    $tag = "<a href=\"part_picture.php?PartId=$part_id\">";

    // create img tag
    $tag .= "<img src=\"part_picture.php?PartId=$part_id";
    if ($max_width > 0) $tag .= "&MaxWidth=$max_width";
    if ($max_height > 0) $tag .= "&MaxHeight=$max_height";
    $tag .= "\""; // finish src attribute
    $tag .= " alt=\"picture of part $part_id\"";
    $tag .= ">"; // finish img tag


    // close link
    $tag .= '</a>';

    return $tag;
}

?>