/**
* Apply style information to object
* If object has no style information yet, then create new style node
* If object style information is similar to other object's style info, then apply the same style name
* And if object old style information was not shared with other objects then delete old style info
* Else leave old style info
* Else just add new style description
*
* @param string $style_name
* @param string $name
* @param mixed $value
* @param OpenDocument_StyledElement $object
* @return string $style_name
*/
public function applyStyle($style_name, $name, $value, OpenDocument_StyledElement $object)
{
//check if other nodes have the same style name
$nodes = $this->cursor->getElementsByTagName('*');
$count = 0;
foreach ($nodes as $node) {
if ($node->hasAttributeNS(self::NS_TEXT, 'style-name') && $node->getAttributeNS(self::NS_TEXT, 'style-name') == $style_name) {
$count++;
if ($count > 1) {
break;
}
}
}
$generate = false;
//get style node
if ($count > 1) {
$style = $this->getStyleNode($style_name)->cloneNode(true);
$this->styles->appendChild($style);
$generate = true;
$style_name = uniqid('tmp');
//$object->generateStyleName();
$style->setAttributeNS(self::NS_STYLE, 'name', $style_name);
} else {
$style = $this->getStyleNode($style_name);
}
if (empty($style)) {
if (empty($style_name)) {
$generate = true;
$style_name = uniqid('tmp');
}
$style = $this->contentDOM->createElementNS(self::NS_STYLE, 'style');
$style->setAttributeNS(self::NS_STYLE, 'name', $style_name);
$style->setAttributeNS(self::NS_STYLE, 'family', 'paragraph');
$style->setAttributeNS(self::NS_STYLE, 'parent-style-name', 'Standard');
$this->styles->appendChild($style);
}
$nodes = $style->getElementsByTagNameNS(self::NS_STYLE, 'text-properties');
if ($nodes->length) {
$text_properties = $nodes->item(0);
} else {
$text_properties = $this->contentDOM->createElementNS(self::NS_STYLE, 'text-properties');
$style->appendChild($text_properties);
}
$text_properties->setAttribute($name, $value);
//find alike style
$nodes = $this->styles->getElementsByTagNameNS(self::NS_STYLE, 'style');
foreach ($nodes as $node) {
if (!$style->isSameNode($node) && $this->compareChildNodes($style, $node)) {
$style->parentNode->removeChild($style);
return $node->getAttributeNS(self::NS_STYLE, 'name');
}
}
if ($generate) {
$style_name = $object->generateStyleName();
$style->setAttributeNS(self::NS_STYLE, 'name', $style_name);
}
return $style->getAttributeNS(self::NS_STYLE, 'name');
}
