}
/**
* set the component style
*
* @access protected
*
* @param $name style name
* @param $value style value, option
*
* @return AbstractComponent
*/
protected function setStyle($name, $value) {
if (array_key_exists($name, $this->_style)) {
unset($this->_style[$name]);
}
$this->_style[$name] = $value;
return $this;
}
/**
* get the component style's value
*
* @access protected
*
* @param $name attribute name
*
* @return string
*/
protected function getStyle($name) {
return array_key_exists($name, $this->_style) ? $this->_style[$name] : null;
}
/**
* convert the component all attributes to string like name = "value"
*
* @access protected
*
* @return string
*/
protected function attributeToString() {
//$s = array_reduce(;
$s = "";
foreach($this->_attributes as $key => $value) {
$s .= " $key="$value" ";
}
return $s;
}
/**
* convert the component style to string like style = "....."
*
* @access protected
*
* @return string
*/
protected function styleToString() {
if (empty($this->_style)) return "";
$s = "";
foreach($this->_style as $key => $value) {
$s .= " $key: $value; ";
}
$s = " style="$s" ";
return $s;
}
/**
* set or get the component attributes
*
* @access public
*
* @param $name attribute name
* @param $value attribute value, option
*
* @return string || AbstractComponent
*/
public function attr() {
$name = func_get_arg(0);
if (func_num_args() == 1) {
return $this->getAttr($name);
}
else if (func_num_args() == 2) {
$value = func_get_arg(1);
return $this->setAttr($name, $value);
}
}
/**
* set or get the component style
*
* @access public
*
* @param $name style name
* @param $value style value, option
*
* @return string || AbstractComponent
*/
public function style() {
$name = func_get_arg(0);
if (func_num_args() == 1) {
return $this->getStyle($name);
}
else if (func_num_args() == 2) {
$value = func_get_arg(1);
return $this->setStyle($name, $value);
}
}
/**
* return the HTML string
*
* @access public
*
* @return string
**/
public function toString() {
thorw New AbstractException("subclass must be override this method!!");
}
/**
* render the component
*
* @access public
*
* @return void
**/
public function render() {
echo $this->toString();
}
}







