119 lines
2.9 KiB
PHP
119 lines
2.9 KiB
PHP
<?php
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class CSSPropertyCollection {
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var $_properties;
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var $_positions;
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var $_priorities;
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var $_max_priority;
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function CSSPropertyCollection() {
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$this->_properties = array();
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$this->_positions = array();
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$this->_priorities = array();
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$this->_max_priority = 0;
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}
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function apply(&$state) {
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$properties = $this->getPropertiesRaw();
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foreach ($properties as $property) {
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$key = $property->getCode();
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$value = $property->getValue();
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$handler =& CSS::get_handler($key);
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$handler->replace($value, $state);
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};
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}
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function ©() {
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$collection =& new CSSPropertyCollection();
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for ($i = 0, $size = count($this->_properties); $i < $size; $i++) {
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$property =& $this->_properties[$i];
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$collection->_properties[] =& $property->copy();
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};
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$collection->_positions = $this->_positions;
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$collection->_priorities = $this->_priorities;
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$collection->_max_priority = $this->_max_priority;
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return $collection;
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}
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function addProperty($property) {
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$this->_max_priority ++;
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$code = $property->getCode();
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/**
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* Important properties shoud not be overridden with non-important ones
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*/
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if ($this->isImportant($code) &&
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!$property->isImportant()) {
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return;
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};
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if (array_key_exists($code, $this->_positions)) {
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$this->_properties[$this->_positions[$code]] = $property;
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$this->_priorities[$this->_positions[$code]] = $this->_max_priority;
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} else {
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$this->_properties[] = $property;
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$this->_priorities[] = $this->_max_priority;
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$this->_positions[$code] = count($this->_priorities)-1;
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};
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}
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function contains($code) {
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return isset($this->_positions[$code]);
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}
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function getMaxPriority() {
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return $this->_max_priority;
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}
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function getPropertiesSortedByPriority() {
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$properties = $this->_properties;
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$priorities = $this->_priorities;
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array_multisort($priorities, $properties);
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return $properties;
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}
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function getPropertiesRaw() {
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return $this->_properties;
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}
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function isImportant($code) {
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if (!isset($this->_positions[$code])) {
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return false;
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};
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return $this->_properties[$this->_positions[$code]]->isImportant();
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}
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function &getPropertyValue($code) {
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if (!isset($this->_properties[$this->_positions[$code]])) {
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$null = null;
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return $null;
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};
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$property =& $this->_properties[$this->_positions[$code]];
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return $property->getValue();
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}
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function setPropertyValue($code, $value) {
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$this->_properties[$this->_positions[$code]]->setValue($value);
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}
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/**
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* Merge two sets of CSS properties, overwriting old values
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* with values from $collection
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*/
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function merge($collection) {
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$properties = $collection->getPropertiesSortedByPriority();
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foreach ($properties as $property) {
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$this->addProperty($property);
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};
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}
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}
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?>
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