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<?php
/**
* ownCloud - Documents App
*
* @author Victor Dubiniuk
* @copyright 2013 Victor Dubiniuk victor.dubiniuk@gmail.com
*
* This file is licensed under the Affero General Public License version 3 or
* later.
*/
namespace OCA\Documents;
class Helper {
const APP_ID = 'documents';
public static function getNewFileName($view, $path, $prepend = ' '){
$fileNum = 1;
while ($view->file_exists($path)){
$fileNum += 1;
$path = preg_replace('/(\.|' . $prepend . '\(\d+\)\.)([^.]*)$/', $prepend . '(' . $fileNum . ').$2', $path);
};
return $path;
}
public static function getArrayValueByKey($array, $key, $default=''){
if (array_key_exists($key, $array)){
return $array[$key];
}
return $default;
}
public static function isVersionsEnabled(){
return \OCP\App::isEnabled('files_versions');
}
public static function getRandomColor(){
$str = dechex(floor(rand(0, 16777215)));
return '#' . str_pad($str, 6, "0", STR_PAD_LEFT);
}
/**
* @param string $name
* @return string
*/
public static function getMemberColor($name){
$hash = md5($name);
$maxRange = hexdec('ffffffffffffffffffffffffffffffff');
$hue = hexdec($hash) / $maxRange * 256;
return '#' . self::convertHSLToRGB($hue, 90, 60);
}
/**
* @param integer $iH
* @param integer $iS
* @param integer $iV
* @return string
*/
protected static function convertHSLToRGB($iH, $iS, $iV){
if ($iH < 0){
$iH = 0; // Hue:
}
if ($iH > 360){
$iH = 360; // 0-360
}
if ($iS < 0){
$iS = 0; // Saturation:
}
if ($iS > 100){
$iS = 100; // 0-100
}
if ($iV < 0){
$iV = 0; // Lightness:
}
if ($iV > 100){
$iV = 100; // 0-100
}
$dS = $iS / 100.0; // Saturation: 0.0-1.0
$dV = $iV / 100.0; // Lightness: 0.0-1.0
$dC = $dV * $dS; // Chroma: 0.0-1.0
$dH = $iH / 60.0; // H-Prime: 0.0-6.0
$dT = $dH; // Temp variable
while ($dT >= 2.0)
$dT -= 2.0; // php modulus does not work with float
$dX = $dC * (1 - abs($dT - 1)); // as used in the Wikipedia link
switch ($dH){
case($dH >= 0.0 && $dH < 1.0):
$dR = $dC;
$dG = $dX;
$dB = 0.0;
break;
case($dH >= 1.0 && $dH < 2.0):
$dR = $dX;
$dG = $dC;
$dB = 0.0;
break;
case($dH >= 2.0 && $dH < 3.0):
$dR = 0.0;
$dG = $dC;
$dB = $dX;
break;
case($dH >= 3.0 && $dH < 4.0):
$dR = 0.0;
$dG = $dX;
$dB = $dC;
break;
case($dH >= 4.0 && $dH < 5.0):
$dR = $dX;
$dG = 0.0;
$dB = $dC;
break;
case($dH >= 5.0 && $dH < 6.0):
$dR = $dC;
$dG = 0.0;
$dB = $dX;
break;
default:
$dR = 0.0;
$dG = 0.0;
$dB = 0.0;
break;
}
$dM = $dV - $dC;
$dR += $dM;
$dG += $dM;
$dB += $dM;
$dR *= 255;
$dG *= 255;
$dB *= 255;
$dR = str_pad(dechex(round($dR)), 2, "0", STR_PAD_LEFT);
$dG = str_pad(dechex(round($dG)), 2, "0", STR_PAD_LEFT);
$dB = str_pad(dechex(round($dB)), 2, "0", STR_PAD_LEFT);
return $dR.$dG.$dB;
}
public static function findOpenOffice(){
$config = \OC::$server->getConfig();
$cmd = '';
if (is_string($config->getSystemValue('preview_libreoffice_path', null))){
$cmd = $config->getSystemValue('preview_libreoffice_path', null);
}
$whichLibreOffice = shell_exec('which libreoffice');
if ($cmd === '' && !empty($whichLibreOffice)){
$cmd = 'libreoffice';
}
$whichOpenOffice = shell_exec('which openoffice');
if ($cmd === '' && !empty($whichOpenOffice)){
$cmd = 'openoffice';
}
if (empty($cmd)){
\OC::$server->getLogger()->warn(
'Pure configuration issue. Missing open office binary that is mandatory for conversion.',
['app' => 'documents']
);
\OC::$server->getLogger()->debug(
'If openoffice or libreoffice is already installed please specify the path to it using preview_libreoffice_path config. Refer to admin manual for details.',
['app' => 'documents']
);
throw new \RuntimeException('Missing open office binary that is mandatory for conversion.');
}
return $cmd;
}
}
|
