/**
* 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);
}
/**
* return tag => color array
*
* @return tag color array
* @param array $tags
*/
private function convertTagsToAssocArray($tags)
{
$assocTags = array();
foreach ($tags as $tag) {
$assocTags[$tag['tag']]['backColor'] = $tag['color'];
$assocTags[$tag['tag']]['foreColor'] = \helpers\Color::colorByBrightness($tag['color']);
}
return $assocTags;
}
