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N°4756 - Global event listeners

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This commit is contained in:
Eric Espie
2022-09-21 10:34:38 +02:00
parent b01627f39d
commit fac455da48
1 changed files with 61 additions and 88 deletions
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149
setup/compiler.class.inc.php
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@@ -372,7 +372,7 @@ class MFCompiler
}
$this->LoadSnippets();
$this->LoadHooks();
$this->LoadGlobalEventListeners();
// Compile, module by module
//
@@ -3616,102 +3616,76 @@ EOF;
/**
* @throws \DOMFormatException
*/
protected function LoadHooks()
protected function LoadGlobalEventListeners()
{
$sClassName = 'GlobalEventHooks';
$sClassName = 'GlobalEventListeners';
$sModuleId = '_core_';
if (!array_key_exists($sModuleId, $this->aSnippets))
{
$this->aSnippets[$sModuleId] = array('before' => array(), 'after' => array());
if (!array_key_exists($sModuleId, $this->aSnippets)) {
$this->aSnippets[$sModuleId] = ['before' => [], 'after' => []];
}
$oHooks = $this->oFactory->GetNodes('/itop_design/hooks/hook');
$aHooks = array();
foreach($oHooks as $oHook)
{
/** @var \DOMElement $oHook */
$sEventName = $oHook->getAttribute('id');
$oListeners = $oHook->GetOptionalElement('listeners');
if ($oListeners)
{
foreach ($oListeners->getElementsByTagName('listener') as $oListener)
{
/** @var \DOMElement $oListener */
$sListenerId = $oListener->getAttribute('id');
$oExecute = $oListener->GetUniqueElement('execute', true);
$sExecute = trim($oExecute->GetText());
$sCallback = "{$sEventName}_{$sListenerId}";
$sCallbackFct = preg_replace('@^function\s*\(@', "public static function {$sCallback}(", $sExecute);
if ($sExecute == $sCallbackFct)
{
throw new DOMFormatException("Malformed tag <execute> in hook: {$sEventName} listener: {$sListenerId}");
}
$fPriority = (float)($oListener->GetChildText('priority', '0'));
$oEventListeners = $this->oFactory->GetNodes('/itop_design/event_listeners/listener');
$aEventListeners = [];
foreach ($oEventListeners as $oListener) {
/** @var \DOMElement $oListener */
$sListenerId = $oListener->getAttribute('id');
$sEventName = $oListener->GetChildText('event');
$aFilters = array();
$oFilters = $oListener->GetOptionalElement('filters');
if ($oFilters)
{
foreach ($oFilters->getElementsByTagName('filter') as $oFilter)
{
$aFilters[] = $oFilter->GetText();
}
}
if (empty($aFilters))
{
$sEventSource = 'null';
}
else
{
$sEventSource = '["'.implode('", "', $aFilters).'"]';
}
$aContexts = array();
$oContexts = $oListener->GetOptionalElement('contexts');
if ($oContexts)
{
foreach ($oContexts->getElementsByTagName('context') as $oContext)
{
$aContexts[] = $oContext->GetText();
}
}
if (empty($aContexts))
{
$sContext = 'null';
}
else
{
$sContext = '["'.implode('", "', $aContexts).'"]';
}
$aHooks[] = array(
'event_name' => $sEventName,
'callback' => $sCallback,
'content' => $sCallbackFct,
'priority' => $fPriority,
'source' => $sEventSource,
'context' => $sContext,
);
}
$oExecute = $oListener->GetUniqueElement('execute');
$sExecute = trim($oExecute->GetText());
$sCallback = "{$sEventName}_{$sListenerId}";
$sCallbackFct = preg_replace('@^function\s*\(@', "public static function $sCallback(", $sExecute);
if ($sExecute == $sCallbackFct) {
throw new DOMFormatException("Malformed tag <execute> in event: $sEventName listener: $sListenerId");
}
$fPriority = (float)($oListener->GetChildText('priority', '0'));
$aFilters = [];
$oFilters = $oListener->GetNodes('filters/filter');
foreach ($oFilters as $oFilter) {
$aFilters[] = $oFilter->GetText();
}
if (empty($aFilters)) {
$sEventSource = 'null';
} else {
$sEventSource = '["'.implode('", "', $aFilters).'"]';
}
$aContexts = [];
$oContexts = $oListener->GetNodes('contexts/context');
foreach ($oContexts as $oContext) {
$aContexts[] = $oContext->GetText();
}
if (empty($aContexts)) {
$sContext = 'null';
} else {
$sContext = '["'.implode('", "', $aContexts).'"]';
}
$aEventListeners[] = array(
'event_name' => $sEventName,
'callback' => $sCallback,
'content' => $sCallbackFct,
'priority' => $fPriority,
'source' => $sEventSource,
'context' => $sContext,
);
}
if (empty($aHooks))
{
if (empty($aEventListeners)) {
return;
}
$sRegister = '';
$sMethods = '';
foreach ($aHooks as $aHook)
{
$sCallback = $aHook['callback'];
$sEventName = $aHook['event_name'];
$sEventSource = $aHook['source'];
$sContext = $aHook['context'];
$sPriority = $aHook['priority'];
foreach ($aEventListeners as $aListener) {
$sCallback = $aListener['callback'];
$sEventName = $aListener['event_name'];
$sEventSource = $aListener['source'];
$sContext = $aListener['context'];
$sPriority = $aListener['priority'];
$sRegister .= "\nCombodo\iTop\Service\EventService::RegisterListener(\"$sEventName\", '$sClassName::$sCallback', $sEventSource, null, $sContext, $sPriority, '$sModuleId');";
$sCallbackFct = $aHook['content'];
$sMethods .= "\n {$sCallbackFct}\n\n";
$sCallbackFct = $aListener['content'];
$sMethods .= "\n $sCallbackFct\n\n";
}
$sContent = <<<PHP
@@ -3726,12 +3700,11 @@ PHP;
$fOrder = 0;
$this->aSnippets[$sModuleId]['after'][] = array(
'rank' => $fOrder,
'content' => $sContent,
'rank' => $fOrder,
'content' => $sContent,
'snippet_id' => $sClassName,
);
foreach($this->aSnippets as $sModuleId => $void)
{
foreach ($this->aSnippets as $sModuleId => $void) {
uasort($this->aSnippets[$sModuleId]['after'], array(get_class($this), 'SortOnRank'));
}
}