Support für Dropdowns mit Lookup - task #4630

public_html/deployment/classes/rollout_base.class.php

 <?php
 require_once 'rollout.interface.php';
+require_once 'cache.class.php';
 
 /**
  * rollout_base class that will beextended in a rollout plugin
@@ -117,6 +118,30 @@ class rollout_base implements iRolloutplugin{
             : 'plugins[rollout]['.$this->getId().']'
         );
     }
+    
+    /**
+     * get Data from a callback function and store it in a cache
+     * The response type depends on the callback function
+     * 
+     * @param string   $sFunctionname  name of the callback function
+     * @param string   $sKey           name of the key; "project" or name of phase
+     * @param integr   $iTtl           ttl value = how many seconds to use cache
+     * @param integr   $iTtlOnError    ttl value = how many seconds to use cache if there was no response
+     * @return type
+     */
+    protected function _getCallback($sFunctionname, $sKey, $iTtl=15,$iTtlOnError=10){
+        $oCache=new AhCache('rollout-'.$this->getId(), 'callback-'.$sFunctionname.'-'.$sKey);
+        if($oCache->isExpired()){
+            $aMydata= call_user_func(array($this, $sFunctionname));
+            // echo "$sFunctionname fresh ".($aMydata ? "OK": "false")." - storing for $iTtl sec<br>";
+            $oCache->write($aMydata, ($aMydata ? $iTtl : $iTtlOnError));
+        } else {
+            // echo "$sFunctionname from cache ... ".$oCache->iExpired()." sec <br>";
+            $aMydata=$oCache->read();
+        }
+        // echo '<pre>'.print_r($aMydata, 1).'</pre>'; die(__METHOD__);
+        return $aMydata;
+    }
     /**
      * render a form by given form elementes 
      * @param  array   $aFormdata  array of form elements
@@ -186,6 +211,27 @@ class rollout_base implements iRolloutplugin{
                                 ? htmlentities($aDefaultValues[$sVarname]) 
                                 : (isset($aVarinfos['default']) ? $aVarinfos['default'] : 'N.A.')
                 );
+            
+            // if a callback was set for this variable
+            if(isset($aVarinfos['callback'])){
+                $aCallbackData=$this->_getCallback(
+                        $aVarinfos['callback'], 
+                        (isset($aVarinfos['per_scope']) && $aVarinfos['per_scope'] ? $sKey : ''), 
+                        (isset($aVarinfos['ttl']) ? $aVarinfos['ttl'] : 60)
+                );
+                if(!$aCallbackData){
+                    $aVarinfos['type']='text';
+                } else {
+                    $aEffectiveConfig=$this->getConfig($sPhase);
+                    // echo $sKey.' ... '; print_r($aEffectiveConfig[$sVarname]); echo '<br>';
+                    if(isset($aEffectiveConfig[$sVarname]) && isset($aCallbackData[$aEffectiveConfig[$sVarname]])){
+                        $aCallbackData[$aEffectiveConfig[$sVarname]]['selected']='selected';
+                        // wenn value = defaultvalue, dann value auf '' setzen
+                    }
+                    // print_r($aCallbackData[$sVarname]); echo "<br>";
+                }
+                // echo '<pre>'.$sCallbackfunktion .' = '. print_r($aMydata,1 ).'</pre>';
+            }
             switch ($aVarinfos['type']) {
                 case "password":
                     $sMyPlaceholder=(isset($aDefaultValues[$sVarname]) 
@@ -205,6 +251,20 @@ class rollout_base implements iRolloutplugin{
                         'placeholder' => $sMyPlaceholder       
                     );
                     break;
+                case "select":
+                    $aOptions=$aCallbackData;
+                    $aFormdata[]=array(
+                        'type' => $aVarinfos['type'],
+                        'name' => $sPrefixName.'['.$sVarname.']',
+                        'label' => $this->_t($sVarname.'-label'),
+                        'title' => $this->_t($sVarname.'-hint'),
+
+                        'validate' => 'isastring',
+                        'options' => $aOptions,
+                        
+                        'placeholder' => $sMyPlaceholder       
+                    );
+                    break;
                 case "text":
                     $aFormdata[]=array(
                         'type' => $aVarinfos['type'],