/**
* Looks for long format CSS font properties (e.g. <tt>font-weight</tt>) and
* tries to convert them into a shorthand CSS <tt>font</tt> property.
* At least font-size AND font-family must be present in order to create a shorthand declaration.
* */
public function createFontShorthand()
{
$aFontProperties = array('font-style', 'font-variant', 'font-weight', 'font-size', 'line-height', 'font-family');
$aRules = $this->getRulesAssoc();
if (!isset($aRules['font-size']) || !isset($aRules['font-family'])) {
return;
}
$oNewRule = new Rule('font');
foreach (array('font-style', 'font-variant', 'font-weight') as $sProperty) {
if (isset($aRules[$sProperty])) {
$oRule = $aRules[$sProperty];
$mRuleValue = $oRule->getValue();
$aValues = array();
if (!$mRuleValue instanceof RuleValueList) {
$aValues[] = $mRuleValue;
} else {
$aValues = $mRuleValue->getListComponents();
}
if ($aValues[0] !== 'normal') {
$oNewRule->addValue($aValues[0]);
}
}
}
// Get the font-size value
$oRule = $aRules['font-size'];
$mRuleValue = $oRule->getValue();
$aFSValues = array();
if (!$mRuleValue instanceof RuleValueList) {
$aFSValues[] = $mRuleValue;
} else {
$aFSValues = $mRuleValue->getListComponents();
}
// But wait to know if we have line-height to add it
if (isset($aRules['line-height'])) {
$oRule = $aRules['line-height'];
$mRuleValue = $oRule->getValue();
$aLHValues = array();
if (!$mRuleValue instanceof RuleValueList) {
$aLHValues[] = $mRuleValue;
} else {
$aLHValues = $mRuleValue->getListComponents();
}
if ($aLHValues[0] !== 'normal') {
$val = new RuleValueList('/');
$val->addListComponent($aFSValues[0]);
$val->addListComponent($aLHValues[0]);
$oNewRule->addValue($val);
}
} else {
$oNewRule->addValue($aFSValues[0]);
}
$oRule = $aRules['font-family'];
$mRuleValue = $oRule->getValue();
$aFFValues = array();
if (!$mRuleValue instanceof RuleValueList) {
$aFFValues[] = $mRuleValue;
} else {
$aFFValues = $mRuleValue->getListComponents();
}
$oFFValue = new RuleValueList(',');
$oFFValue->setListComponents($aFFValues);
$oNewRule->addValue($oFFValue);
$this->addRule($oNewRule);
foreach ($aFontProperties as $sProperty) {
$this->removeRule($sProperty);
}
}
/**
* rtl background position-x and gradient
* @param CSS\Value\RuleValueList $value
*/
public function rtl_background($value)
{
// if background poition-x is % or px rtl them
/* @var $components CSS\Value\Size[] */
$components = $value->getListComponents();
foreach ($components as $key => $component) {
if (is_string($component) && in_array($component, array('left', 'right'))) {
// don't do any thing, this will be swaped later
return true;
} elseif ($component instanceof CSS\Value\Size) {
if ($component->getUnit() == "%") {
$component->setSize(100 - $component->getSize());
return false;
} elseif ($component->getUnit() == "px") {
$rtl_components = array();
foreach ($components as $ikey => $icomponent) {
if ($key == $ikey) {
$rtl_components[] = "left";
}
// it will be swaped to right later
$rtl_components[] = $icomponent;
}
$value->setListComponents($rtl_components);
return false;
}
}
}
}
