private function _mergeValues($sShorthand, $aValues, $aOldProperties, $bImportant)
{
$this->styleDeclaration->remove($aOldProperties);
$oNewValueList = new PropertyValueList($aValues, ' ');
$oNewProperty = new Property($sShorthand, $oNewValueList);
$oNewProperty->setIsImportant($bImportant);
$this->styleDeclaration->append($oNewProperty);
}
private function _expandBackgroundShorthand($iPos, $oProperty)
{
/*{{{*/
$oValueList = $oProperty->getValueList();
// Get a normalized array
if ($oValueList->getSeparator() === ',' && count($oValueList) > 1) {
// we have multiple layers
$aValueList = $oValueList->getItems();
} else {
// we have only one value or a space separated list of values
$aValueList = array($oValueList->getItems());
}
$iNumLayers = count($aValueList);
$aUnfoldedResults = array();
// background-color only allowed on final layer;
$color = null;
foreach ($aValueList as $iLayerIndex => $aValues) {
// if we have multiple layers, get the values for this layer
if ($aValues instanceof PropertyValueList) {
$aValues = $aValues->getItems();
} else {
if (!is_array($aValues)) {
$aValues = array($aValues);
}
}
$aBgProperties = array();
$iNumBgPos = 0;
$iNumBoxValues = 0;
foreach ($aValues as $mValue) {
$mValue = Object::getClone($mValue);
if ($mValue instanceof Value\Url || $mValue instanceof Value\Func || $mValue == "none") {
$aBgProperties['background-image'] = $mValue;
} else {
if ($mValue instanceof PropertyValueList) {
// bg-pos bg-pos? / bg-size bg-size?
$oBgPosValues = $mValue->getFirst();
if ($oBgPosValues instanceof PropertyValueList) {
$aBgPosValues = $oBgPosValues->getItems();
} else {
$aBgPosValues = array($oBgPosValues);
}
$bgpos_valuelist = new PropertyValueList(array($aBgPosValues[0], 'center'), ' ');
if (count($aBgPosValues) > 1) {
$bgpos_valuelist->replace(1, $aBgPosValues[1]);
}
$aBgProperties['background-position'] = $bgpos_valuelist;
//
$oBgSizeValues = $mValue->getLast();
if ($oBgSizeValues instanceof PropertyValueList) {
$aBgSizeValues = $oBgSizeValues->getItems();
} else {
$aBgSizeValues = array($oBgSizeValues);
}
$bgsize_valuelist = new PropertyValueList(array($aBgSizeValues[0], $aBgSizeValues[0]), ' ');
if (count($aBgSizeValues) > 1) {
$bgsize_valuelist->replace(1, $aBgSizeValues[1]);
}
$aBgProperties['background-size'] = $bgsize_valuelist;
} else {
if (in_array($mValue, array('left', 'center', 'right', 'top', 'bottom')) || $mValue instanceof Value\Dimension) {
//if ($mValue instanceof Value\Dimension) $mValue = clone $mValue;
if ($iNumBgPos === 0) {
$aBgProperties['background-position'] = new PropertyValueList(array($mValue, 'center'), ' ');
} else {
$aBgProperties['background-position']->replace(1, $mValue);
}
$iNumBgPos++;
} else {
if (in_array($mValue, array('repeat', 'no-repeat', 'repeat-x', 'repeat-y', 'space', 'round'))) {
$aBgProperties['background-repeat'] = $mValue;
} else {
if (in_array($mValue, array('scroll', 'fixed', 'local'))) {
$aBgProperties['background-attachment'] = $mValue;
} else {
if (in_array($mValue, array('border-box', 'padding-box', 'content-box'))) {
if ($iNumBoxValues === 0) {
$aBgProperties['background-origin'] = $mValue;
$aBgProperties['background-clip'] = $mValue;
} else {
$aBgProperties['background-clip'] = $mValue;
}
$iNumBoxValues++;
} else {
if ($mValue instanceof Value\Color) {
if ($iLayerIndex == $iNumLayers - 1) {
$color = $mValue;
} else {
if (empty($aBgProperties)) {
$aBgProperties['background-image'] = "none";
}
}
}
}
}
}
}
}
}
}
$aUnfoldedResults[] = $aBgProperties;
}
if ($color) {
$aUnfoldedResults[$iNumLayers - 1]['background-color'] = $color;
}
$aFoldedResults = array();
foreach ($aUnfoldedResults as $i => $result) {
foreach ($result as $propname => $propval) {
$aFoldedResults[$propname][$i] = $propval;
}
}
foreach ($aFoldedResults as $propname => $aValues) {
if ($this->_canAddShorthandExpansion($oProperty, $propname)) {
$separator = count($aValues) === 0 ? ' ' : ',';
$oValueList = new PropertyValueList($aValues, $separator);
$oNewProp = new Property($propname, $oValueList);
$oNewProp->setIsImportant($oProperty->getIsImportant());
$this->styleDeclaration->insertAfter($oNewProp, $oProperty);
}
}
$this->styleDeclaration->remove($oProperty);
}