PHP MetaModel::EnumTransitions方法代码示例

/**
 * Helper to generate a Graphviz code for displaying the life cycle of a class
 * @param string $sClass The class to display
 * @return string The Graph description in Graphviz/Dot syntax   
 */
function GraphvizLifecycle($sClass)
{
    $sDotFileContent = "";
    $sStateAttCode = MetaModel::GetStateAttributeCode($sClass);
    if (empty($sStateAttCode)) {
        //$oPage->p("no lifecycle for this class");
    } else {
        $aStates = MetaModel::EnumStates($sClass);
        $aStimuli = MetaModel::EnumStimuli($sClass);
        $sDotFileContent .= "digraph finite_state_machine {\r\n\tgraph [bgcolor = \"transparent\"];\r\n\trankdir=LR;\r\n\tsize=\"12,12\"\r\n\tnode [ fontname=Verdana style=filled fillcolor=\"#ffffff\" ];\r\n\tedge [ fontname=Verdana ];\r\n";
        $aStatesLinks = array();
        foreach ($aStates as $sStateCode => $aStateDef) {
            $aStatesLinks[$sStateCode] = array('in' => 0, 'out' => 0);
        }
        foreach ($aStates as $sStateCode => $aStateDef) {
            $sStateLabel = MetaModel::GetStateLabel($sClass, $sStateCode);
            $sStateDescription = MetaModel::GetStateDescription($sClass, $sStateCode);
            foreach (MetaModel::EnumTransitions($sClass, $sStateCode) as $sStimulusCode => $aTransitionDef) {
                $aStatesLinks[$sStateCode]['out']++;
                $aStatesLinks[$aTransitionDef['target_state']]['in']++;
                $sStimulusLabel = $aStimuli[$sStimulusCode]->GetLabel();
                $sTargetStateLabel = MetaModel::GetStateLabel($sClass, $aTransitionDef['target_state']);
                $sDotFileContent .= "\t{$sStateCode} -> {$aTransitionDef['target_state']} [ label=\"" . GraphvizEscape($sStimulusLabel) . "\"];\n";
            }
        }
        foreach ($aStates as $sStateCode => $aStateDef) {
            if ($aStatesLinks[$sStateCode]['out'] > 0 || $aStatesLinks[$sStateCode]['in'] > 0) {
                // Show only reachable states
                $sStateLabel = str_replace(' ', '\\n', MetaModel::GetStateLabel($sClass, $sStateCode));
                if ($aStatesLinks[$sStateCode]['in'] == 0 || $aStatesLinks[$sStateCode]['out'] == 0) {
                    // End or Start state, make it look different
                    $sDotFileContent .= "\t{$sStateCode} [ shape=doublecircle,label=\"" . GraphvizEscape($sStateLabel) . "\"];\n";
                } else {
                    $sDotFileContent .= "\t{$sStateCode} [ shape=circle,label=\"" . GraphvizEscape($sStateLabel) . "\"];\n";
                }
            }
        }
        $sDotFileContent .= "}\n";
    }
    return $sDotFileContent;
}

 public function EnumTransitions()
 {
     $sStateAttCode = MetaModel::GetStateAttributeCode(get_class($this));
     if (empty($sStateAttCode)) {
         return array();
     }
     $sState = $this->Get(MetaModel::GetStateAttributeCode(get_class($this)));
     return MetaModel::EnumTransitions(get_class($this), $sState);
 }

 $aSelectObject = explode(',', $sSelectObject);
 if (empty($sFilter) || empty($sStimulus) || empty($sState)) {
     throw new ApplicationException(Dict::Format('UI:Error:3ParametersMissing', 'filter', 'stimulus', 'state'));
 }
 $sTransactionId = utils::ReadPostedParam('transaction_id', '');
 if (!utils::IsTransactionValid($sTransactionId)) {
     $oP->p(Dict::S('UI:Error:ObjectAlreadyUpdated'));
 } else {
     // For archiving the modification
     $oFilter = DBObjectSearch::unserialize($sFilter);
     $sClass = $oFilter->GetClass();
     $aObjects = array();
     foreach ($aSelectObject as $iId) {
         $aObjects[] = MetaModel::GetObject($sClass, $iId);
     }
     $aTransitions = MetaModel::EnumTransitions($sClass, $sState);
     $aStimuli = MetaModel::EnumStimuli($sClass);
     $sActionLabel = $aStimuli[$sStimulus]->GetLabel();
     $sActionDetails = $aStimuli[$sStimulus]->GetDescription();
     $oP->set_title(Dict::Format('UI:StimulusModify_N_ObjectsOf_Class', $sActionLabel, count($aObjects), $sClass));
     $oP->add('<div class="page_header">');
     $oP->add('<h1>' . MetaModel::GetClassIcon($sClass) . '&nbsp;' . Dict::Format('UI:StimulusModify_N_ObjectsOf_Class', $sActionLabel, count($aObjects), $sClass) . '</h1>');
     $oP->add('</div>');
     $oSet = DBObjectSet::FromArray($sClass, $aObjects);
     // For reporting
     $aHeaders = array('object' => array('label' => MetaModel::GetName($sClass), 'description' => Dict::S('UI:ModifiedObject')), 'status' => array('label' => Dict::S('UI:BulkModifyStatus'), 'description' => Dict::S('UI:BulkModifyStatus+')), 'errors' => array('label' => Dict::S('UI:BulkModifyErrors'), 'description' => Dict::S('UI:BulkModifyErrors+')));
     $aRows = array();
     while ($oObj = $oSet->Fetch()) {
         $sError = Dict::S('UI:BulkModifyStatusOk');
         try {
             $aTransitions = $oObj->EnumTransitions();

/**
 * Helper for the lifecycle details of a given class
 */
function DisplayLifecycle($oPage, $sClass)
{
    $sStateAttCode = MetaModel::GetStateAttributeCode($sClass);
    if (empty($sStateAttCode)) {
        $oPage->p(Dict::S('UI:Schema:NoLifeCyle'));
    } else {
        $aStates = MetaModel::EnumStates($sClass);
        $aStimuli = MetaModel::EnumStimuli($sClass);
        $oPage->add("<img src=\"" . utils::GetAbsoluteUrlAppRoot() . "pages/graphviz.php?class={$sClass}\">\n");
        $oPage->add("<h3>" . Dict::S('UI:Schema:LifeCycleTransitions') . "</h3>\n");
        $oPage->add("<ul>\n");
        foreach ($aStates as $sStateCode => $aStateDef) {
            $sStateLabel = MetaModel::GetStateLabel($sClass, $sStateCode);
            $sStateDescription = MetaModel::GetStateDescription($sClass, $sStateCode);
            $oPage->add("<li title=\"code: {$sStateCode}\">{$sStateLabel} <span style=\"color:grey;\">({$sStateCode}) {$sStateDescription}</span></li>\n");
            $oPage->add("<ul>\n");
            foreach (MetaModel::EnumTransitions($sClass, $sStateCode) as $sStimulusCode => $aTransitionDef) {
                $sStimulusLabel = $aStimuli[$sStimulusCode]->GetLabel();
                $sTargetStateLabel = MetaModel::GetStateLabel($sClass, $aTransitionDef['target_state']);
                if (count($aTransitionDef['actions']) > 0) {
                    $sActions = " <em>(" . implode(', ', $aTransitionDef['actions']) . ")</em>";
                } else {
                    $sActions = "";
                }
                $oPage->add("<li><span style=\"color:red;font-weight=bold;\">{$sStimulusLabel}</span> =&gt; {$sTargetStateLabel} {$sActions}</li>\n");
            }
            $oPage->add("</ul>\n");
        }
        $oPage->add("</ul>\n");
        $oPage->add("<h3>" . Dict::S('UI:Schema:LifeCyleAttributeOptions') . "</h3>\n");
        $oPage->add("<ul>\n");
        foreach ($aStates as $sStateCode => $aStateDef) {
            $sStateLabel = MetaModel::GetStateLabel($sClass, $sStateCode);
            $sStateDescription = MetaModel::GetStateDescription($sClass, $sStateCode);
            $oPage->add("<li title=\"code: {$sStateCode}\">{$sStateLabel} <span style=\"color:grey;\">({$sStateCode}) {$sStateDescription}</span></li>\n");
            if (count($aStates[$sStateCode]['attribute_list']) > 0) {
                $oPage->add("<ul>\n");
                foreach ($aStates[$sStateCode]['attribute_list'] as $sAttCode => $iOptions) {
                    $oAttDef = MetaModel::GetAttributeDef($sClass, $sAttCode);
                    $sAttLabel = $oAttDef->GetLabel();
                    $aOptions = array();
                    if ($iOptions & OPT_ATT_HIDDEN) {
                        $aOptions[] = Dict::S('UI:Schema:LifeCycleHiddenAttribute');
                    }
                    if ($iOptions & OPT_ATT_READONLY) {
                        $aOptions[] = Dict::S('UI:Schema:LifeCycleReadOnlyAttribute');
                    }
                    if ($iOptions & OPT_ATT_MANDATORY) {
                        $aOptions[] = Dict::S('UI:Schema:LifeCycleMandatoryAttribute');
                    }
                    if ($iOptions & OPT_ATT_MUSTCHANGE) {
                        $aOptions[] = Dict::S('UI:Schema:LifeCycleAttributeMustChange');
                    }
                    if ($iOptions & OPT_ATT_MUSTPROMPT) {
                        $aOptions[] = Dict::S('UI:Schema:LifeCycleAttributeMustPrompt');
                    }
                    if (count($aOptions)) {
                        $sOptions = implode(', ', $aOptions);
                    } else {
                        $sOptions = "";
                    }
                    $oPage->add("<li><span style=\"color:purple;font-weight=bold;\">{$sAttLabel}</span> {$sOptions}</li>\n");
                }
                $oPage->add("</ul>\n");
            } else {
                $oPage->p("<em>" . Dict::S('UI:Schema:LifeCycleEmptyList') . "</em>");
            }
        }
        $oPage->add("</ul>\n");
    }
}

 function test_object_lifecycle()
 {
     echo "<h4>Test object lifecycle</h4>";
     self::DumpVariable(MetaModel::GetStateAttributeCode("cmdbContact"));
     self::DumpVariable(MetaModel::EnumStates("cmdbContact"));
     self::DumpVariable(MetaModel::EnumStimuli("cmdbContact"));
     foreach (MetaModel::EnumStates("cmdbContact") as $sStateCode => $aStateDef) {
         echo "<p>Transition from <strong>{$sStateCode}</strong></p>\n";
         self::DumpVariable(MetaModel::EnumTransitions("cmdbContact", $sStateCode));
     }
     $oObj = MetaModel::GetObject("cmdbContact", 18);
     echo "Current state: " . $oObj->GetState() . "... let's go to school...";
     self::DumpVariable($oObj->EnumTransitions());
     $oObj->ApplyStimulus("toschool");
     echo "New state: " . $oObj->GetState() . "... let's get older...";
     self::DumpVariable($oObj->EnumTransitions());
     $oObj->ApplyStimulus("raise");
     echo "New state: " . $oObj->GetState() . "... let's try to go further... (should give an error)";
     self::DumpVariable($oObj->EnumTransitions());
     $oObj->ApplyStimulus("raise");
     // should give an error
 }