function Serialize()
{
$sXml = '<' . $this->sName;
foreach ($this->aAttrs as $sName => $sValue) {
if ($sValue === true) {
$sValue = 'true';
}
$sXml .= ' ' . $sName . '="' . VDHtmlEncode($sValue) . '"';
}
if (count($this->aSubNodes) > 0) {
$sXml .= '>';
foreach ($this->aSubNodes as $sValue) {
if (is_object($sValue)) {
$sXml .= $sValue->Serialize();
} else {
$sXml .= $sValue;
}
}
$sXml .= '</' . $this->sName . '>';
} else {
$sXml .= ' />';
}
return $sXml;
}
function SetValue($sValue)
{
// fix unchecked checkbox populate bug
if ($sValue === null && $this->bPopulate && in_array($this->sType, array('checkbox', 'radio'))) {
unset($this->oNode->aAttrs['checked']);
}
if ($sValue === null || is_array($sValue)) {
return false;
}
$bResult = true;
switch ($this->sType) {
case 'text':
case 'password':
if ($this->bPopulate) {
if ($sValue != '') {
$this->oNode->aAttrs['value'] = VDHtmlEncode($sValue);
} else {
unset($this->oNode->aAttrs['value']);
}
}
break;
case 'hidden':
if ($this->bPopulate) {
$this->oNode->aAttrs['value'] = VDHtmlEncode($sValue);
}
break;
case 'textarea':
if ($this->bPopulate) {
$this->oNode->aSubNodes = array();
$this->oNode->aSubNodes[] = VDHtmlEncode($sValue);
}
break;
case 'file':
$bResult = false;
break;
case 'submit':
if (isset($this->oNode->aAttrs['value'])) {
$bResult = $this->oNode->aAttrs['value'] == $sValue;
} else {
$bResult = in_array(strtolower($sValue), array('submit', 'submit query'));
}
break;
case 'image':
if (isset($this->oNode->aAttrs['value'])) {
$bResult = $this->oNode->aAttrs['value'] == $sValue;
} else {
$bResult = false;
}
break;
case 'checkbox':
case 'radio':
$sInputValue = isset($this->oNode->aAttrs['value']) ? $this->oNode->aAttrs['value'] : 'on';
$bResult = $sInputValue == $sValue;
if ($this->bPopulate) {
if ($bResult) {
$this->oNode->aAttrs['checked'] = 'true';
} else {
unset($this->oNode->aAttrs['checked']);
}
}
break;
case 'select':
$bResult = false;
foreach ($this->oNode->aSubNodes as $nIdx => $mTmp) {
$oSubNode =& $this->oNode->aSubNodes[$nIdx];
if (is_object($oSubNode) && $oSubNode->sName == 'option') {
if ($oSubNode->aAttrs['value'] == $sValue) {
$bResult = true;
if ($this->bPopulate) {
$oSubNode->aAttrs['selected'] = true;
}
} elseif ($this->bPopulate && !isset($this->oNode->aAttrs['multiple'])) {
unset($oSubNode->aAttrs['selected']);
}
}
}
break;
}
return $bResult;
}