/**
* save given tag with random color
*
* @return void
* @param string $tag
*/
public function autocolorTag($tag)
{
if (strlen(trim($tag)) == 0) {
return;
}
// tag color allready defined
if ($this->hasTag($tag)) {
return;
}
// get unused random color
while (true) {
$color = \helpers\Color::randomColor();
if ($this->isColorUsed($color) === false) {
break;
}
}
$this->saveTagColor($tag, $color);
}
