<?php
class appgroup extends plugin
{
  /* CLI vars */
  var $cli_summary= "Manage application groups";
  var $cli_description= "Some longer text\nfor help";
  var $cli_parameters= array("eins" => "Eins ist toll", "zwei" => "Zwei ist noch besser");

  /* Appgroup attributes */
  var $gosaMemberApplication= array();

  /* Helpers */
  var $departments        = "";       // All departments within $this->curbase;
  var $apps               = array();  // All available applications
  var $used_apps          = array();  // Specifies which applications are currently assigned 

  var $option_name          = array();
  var $option_value         = array();
  var $appoption            = array();

  var $table                  = "";
  var $curbase                = "";
  var $curCatDir                  ;
  var $curCatDepth              =0;         //
  var $Categories;

  /* attribute list for save action */
  var $attributes               = array("gosaMemberApplication","gosaApplicationParameter");
  var $objectclasses            = array("gosaApplicationGroup");

  var $FAIrelease               = "/";
  var $InitialFAIrelease           = "/";
  var $Releases                 = array();
  var $enableReleaseManagement  = false;

  var $AllAppsForRelease        = array();
  var $AllAppsForReleaseParameter = array();
  var $view_logged = FALSE;
  var $CopyPasteVars            = array("Categories");
  var $gosaApplicationParameter ;
  var $ui                       = NULL;
  var $no_release_acls          = false;

  var $multiple_support         = TRUE;

  function appgroup (&$config, $dn= NULL, $parent= NULL)
  {
   
    /* Check if we have relase mangement enabled and prepare group application for release management */ 
    $tmp = $config->search("faiManagement", "CLASS",array('menu','tabs'));
    if(!empty($tmp)){
      $this->enableReleaseManagement = true;
      $this->objectclasses  [] = "FAIreleaseTag";
      $this->attributes     [] = "FAIrelease";
    }

    plugin::plugin ($config, $dn, $parent);

    /* set userinfo object */
    $this->ui = get_userinfo();

    /* Compatibility check 
        In some case of old applikations with old release tag saving, 
          we must reassign is_account state.
          (Or if release management wasn't activated before creating this app) */
    if($this->enableReleaseManagement){
  
      /* Release management is activated && this is a valid group app account,
          but no release class was found, so activate is_account flag  */
      if(isset($this->attrs['objectClass'])){
        if($dn != "new" && ( in_array("gosaApplicationGroup",$this->attrs['objectClass'])) && 
            (!in_array("FAIreleaseTag",$this->attrs['objectClass']))){
          $this->is_account =true;
        }
      }
    }
    
    /* Load member applications */
    if (isset ($this->attrs["gosaMemberApplication"][0])){
      $this->gosaMemberApplication = array();
      for ($i= 0; $i<$this->attrs["gosaMemberApplication"]["count"]; $i++){
        $this->gosaMemberApplication[]=
          $this->attrs["gosaMemberApplication"][$i];
      }
    }

    /* Load application options */
    if (isset($this->attrs['gosaApplicationParameter'])){
      for ($i= 0; $i<$this->attrs['gosaApplicationParameter']['count']; $i++){
        $option= preg_replace('/^[^:]+:/', '',
            $this->attrs['gosaApplicationParameter'][$i]);
        $name= preg_replace('/:.*$/', '',
            $this->attrs['gosaApplicationParameter'][$i]);
        $this->appoption[$name]= $option;
      }
    }

    /* Parse MemberApplication*/
    $tmp    = array();
    $tmp2   = array();
    $prios  = array();
    $cats   = array();

    foreach($this->gosaMemberApplication as $memberApp){
      if(preg_match("/\|/i",$memberApp)){
    
        $tmp = split("\|",$memberApp);
 
        if(!empty($tmp[0])){
          $tmp2[$tmp[1]][$tmp[2]] = array("App"=>$tmp[0]);
        }
        if(!empty($tmp[1])){
          $n = split("/",$tmp[1]);
          $c = count($n);
          $cats [$tmp[1]] = $n[$c-1];
        }
        $prios[$tmp[1]][$tmp[2]] = $tmp[2];
      }else{
        $tmp2[]['App'] = $memberApp;
      }
    }

    /* Assign collected category and application settings */
    $this->Categories = $cats;
    $this->gosaMemberApplication = $tmp2;

    /* Sort application by category */
    $cats[""]="";
    foreach($cats as $cat ){
      if((isset($prios[$cat]))&&(count($prios[$cat]))){
        $max = max($prios[$cat]);
        $min = 1;//min($prios[$cat]);  
        $last = false;
        for($i = $min ; $i < $max ; $i++){
          if(!isset($prios[$cat][$i])){
            if($last == false){
              $this->gosaMemberApplication[$cat][$i]['App'] = "__SEPARATOR__".$i;
            
              $last = true;
            }
          }else{
            $last = false;
          }
        }
      }
    } 

    /* Sort application by priority */
    $tmp = array();
    foreach($this->gosaMemberApplication as $key =>  $entries){
      ksort ($entries);
      foreach($entries as $entry){
        $tmp[$key][]= $entry;
      }
    }
    $this->gosaMemberApplication = $tmp;
    $this->curbase = $this->config->current['BASE'];
    
    /* Get required release informations */
    if($this->enableReleaseManagement){
      $this->InitialFAIrelease  = $this->FAIrelease;
      $this->Releases           = $this->getReleases();
    }

  }


  /* Combine new array */
  function combineArrays($ar0,$ar1,$ar2)
  {
    $ret = array();
    if(is_array($ar0))
    foreach($ar0 as $ar => $a){
        $ret[$ar]=$a;
    }
    if(is_array($ar1))
    foreach($ar1 as $ar => $a){
        $ret[$ar]=$a;
    }
    if(is_array($ar2))
    foreach($ar2 as $ar => $a){
        $ret[$ar]=$a;
    }
    return($ret);
  }

  /* Returns element position within given array */
  function getpos($atr,$attrs)
  {
    $i = 0;
    foreach($attrs as $attr => $name)    {
      $i++;
      if($attr == $atr){
        return($i);
      }
    }
    return(-1);
  }


  /* Check current combination of application && release 
      Are all application available?, application parameter changed? ... */
  function diffAppsInReleases()
  {
    /* Only diff if it is required  */
    $ret =array();

    /* If current release has changed */
    if($this->FAIrelease != $this->InitialFAIrelease){

      /* Walk through all apps which are currently displayed */
      if(isset($this->gosaMemberApplication[$this->curCatDir])){

        foreach($this->gosaMemberApplication[$this->curCatDir] as $entry){

          /* If application is also available in new release, check if parameter differs */
          if(in_array($entry['App'],$this->AllAppsForRelease)){ 

            $old = array();   // Old application parameter
            $new = array();   // New parameters 

            /* There are possibly no parameters specified */
            if(isset($this->AllAppsForReleaseParameter[$this->InitialFAIrelease][$entry['App']])){
              $old = $this->AllAppsForReleaseParameter[$this->InitialFAIrelease][$entry['App']];
            }

            if(isset($this->AllAppsForReleaseParameter[$this->FAIrelease][$entry['App']])){
              $new = $this->AllAppsForReleaseParameter[$this->FAIrelease][$entry['App']];
            }

            /*  Both (old & new) have no gosaApplicationParameter
             */
            if((!isset($old['gosaApplicationParameter'])) && (!isset($new['gosaApplicationParameter']))){
              $ret[$entry['App']] = false; 

              /* Both got gosaApplicationParameter */
            }elseif((isset($old['gosaApplicationParameter'])) && (isset($new['gosaApplicationParameter']))){
              if(array_differs($old['gosaApplicationParameter'],$new['gosaApplicationParameter'])){
                $ret[$entry['App']]  = true;
              }else{
                $ret[$entry['App']]  = false;
              }
            }
            /* Initially had gosaApplicationParameter bot in new release not */
          }elseif((isset($old['gosaApplicationParameter'])) && (!isset($new['gosaApplicationParameter']))){
            $ret[$entry['App']]  = true;

            /* Old release had no gosaApplicationParameter but new got some */
          }elseif((!isset($old['gosaApplicationParameter'])) && (isset($new['gosaApplicationParameter']))){
            $ret[$entry['App']]  = true;
          }
        }
      }
    }
    return($ret);
  }

  /* TRansports the geiven Arraykey one position up*/
  function ArrayUp($atr,$attrs)
  {
    $ret = $attrs;
    $pos = $this->getpos($atr,$attrs) ;
    $cn = count($attrs);
    if(!(($pos == -1)||($pos == 1))){
      $before = array_slice($attrs,0,($pos-2));
      $mitte  = array_reverse(array_slice($attrs,($pos-2),2));
      $unten  = array_slice($attrs,$pos);
      $ret = array();
      $ret = $this->combineArrays($before,$mitte,$unten);
    }
    return($ret);
  }


  /* TRansports the geiven Arraykey one position up*/
  function ArrayDown($atr,$attrs)
  {
    $ret = $attrs;
    $pos = $this->getpos($atr,$attrs) ;
    $cn = count($attrs);
    if(!(($pos == -1)||($pos == $cn))){
      $before = array_slice($attrs,0,($pos-1));
      $mitte  = array_reverse(array_slice($attrs,($pos-1),2));
      $unten  = array_slice($attrs,($pos+1));
      $ret = array();
      $ret = $this->combineArrays($before,$mitte,$unten);
    }
    return($ret);
  }

    
  /* Sort category on position up  */
  function catUp($id)
  {
    /* Get all cats depinding on current dir */
    $cats = $this->GetSubdirs($this->curCatDir);
    $newcats =$this->ArrayUp($id,$cats);
    foreach($newcats as $cat => $name){
      unset($this->Categories[$cat]);
    }
    foreach($newcats as $cat => $name){
      $this->Categories[$cat]=$name;
    }
  }


  /* Sort category on position down */
  function catDown($id)
  {
    /* Get all cats depinding on current dir */
    $cats = $this->GetSubdirs($this->curCatDir);
    $newcats =$this->ArrayDown($id,$cats);
    foreach($newcats as $cat => $name){
      unset($this->Categories[$cat]);
    }
    foreach($newcats as $cat => $name){
      $this->Categories[$cat]=$name;
    }
  }


  /* Increase application priority */
  function getOneUp($appl)
  { 
    $cat  = $this->curCatDir;
    $apps = $this->gosaMemberApplication[$cat];
    $appsA = array();
    foreach ($apps as $appkey => $name){
      $appsA[$name['App']] =$name['App'];
    }
    $result = $this->ArrayUp($appl,$appsA);
    $ret = array();
    foreach($result as $app){
      $ret[]=array("App"=>$app);
    }
    $this->gosaMemberApplication[$cat] = $ret;
  }


  /* Decrease application priority */
  function getOneDown($appl)
  {
    $cat  = $this->curCatDir;
    $apps = $this->gosaMemberApplication[$cat];
    $appsA = array();
    foreach ($apps as $appkey => $name){
      $appsA[$name['App']] =$name['App'];
    }
    $result = $this->ArrayDown($appl,$appsA);
    $ret = array();
    foreach($result as $app){
      $ret[]=array("App"=>$app);
    }
    $this->gosaMemberApplication[$cat] = $ret;
  } 


  /* Add seperator to application list */
  function AddSeperator($id)
  {
    $found  = false;
    $cat    = "";
    $tmp = array();
    foreach($this->gosaMemberApplication[$this->curCatDir] as $appID => $app){  
      $tmp[] = $app;    
      if(($app['App'] == $id)&&(!$found)){
        $cnt = count($this->gosaMemberApplication[$this->curCatDir]);
        $tmp[] = array("App" => "__SEPARATOR__".($cnt+1));
        $found = true;
      }
    }
    if($found){
      $this->gosaMemberApplication[$this->curCatDir]=$tmp;
    }
  }


  /* Check if application acls are readable */
  function check_acls()
  {
    return(count($this->ui->get_module_departments("application")));
  }


  function execute()
  {
    /* Call parent execute */
    plugin::execute();
    $display = "";

    /* Log view */
    if($this->is_account && !$this->view_logged){
      $this->view_logged = TRUE;
      new log("view","groups/".get_class($this),$this->dn);
    }

    /* Account state settings - Skip if we are editing multiple entries */
    if(!$this->multiple_support_active){ 

      /* Do we need to flip is_account state? */
      if(isset($_POST['modify_state'])){
        if($this->is_account && $this->acl_is_removeable()){
          $this->is_account= FALSE;
        }elseif(!$this->is_account && $this->acl_is_createable()){
          $this->is_account= TRUE;
        }
      }

      /* Do we represent a valid group? */
      if (!$this->is_account && $this->parent === NULL){
        $display= "<img alt=\"\" src=\"images/stop.png\" align=\"middle\">&nbsp;<b>".
          _("This 'dn' is no appgroup.")."</b>";
        return ($display);
      }

      /* Show tab dialog headers */
      $display= "";
      if ($this->parent !== NULL){
        if ($this->is_account){
          $display= $this->show_disable_header(_("Remove applications"),
              _("This group has application features enabled. You can disable them by clicking below."));
        } else {
          $display.= $this->show_enable_header(_("Create applications"),
              _("This group has application features disabled. You can enable them by clicking below."));
          return ($display);
        }
      }
    }
  
    /* Check acl, applications must be readable */
    if(!$this->check_acls()){
      $display .= "<img src='images/button_cancel.png' alt='"._("ACL")."' class='center'>
                  <b>"._("Insufficient permissions")."</b>
                  <p>".
                  _("You do not have permission to query application entries. All your changes will not be saved.").
                  "</p><p class='seperator'>&nbsp;</p>";
      $this->no_release_acls = true;
    }
    /* Check if department was selected */ 
    if((isset($_GET['act']))&&($_GET['act']=="depopen")){
      $dep = base64_decode($_GET['depid']); 
      $this->curbase =$dep;
    }

    /* Check if category was selected */
    if((isset($_GET['act']))&&($_GET['act']=="open") && (empty($_GET['id']) || isset($this->Categories[base64_decode($_GET['id'])]))){
      $this->curCatDir = base64_decode($_GET['id']);
    }


    /* Add Categorie */ 
    if((isset($_POST['AddCat']))&&(isset($_POST['CatName']))&&(!empty($_POST['CatName']))){

      /* Only allow adding a category, if it is allowed */  
      if($this->acl_is_writeable("gosaMemberApplication",$this->no_release_acls)){

        if(preg_match("/[\\\\\/]/i",$_POST['CatName'])){
          print_red(_("Invalid character in category name."));
        }elseif(!in_array($_POST['CatName'],$this->Categories)){ 
          if(empty($this->curCatDir)){
            $this->Categories[$_POST['CatName']]=$_POST['CatName'];
          }else{
            $this->Categories[$this->curCatDir."/".$_POST['CatName']]=$_POST['CatName'];
          }
        }else{
          print_red(_("The specified category already exists."));
        }
      }
    }


    $this->reload();
    $this->diffAppsInReleases();

    /* Check POST variables for commands 
        to add/remove some applications */
    $only_once = false;
    if($this->acl_is_writeable("gosaMemberApplication",$this->no_release_acls)){

      /* Walk through posts */
      foreach($_POST as $name => $value){

        /* Add a seperator to current category */
        if((preg_match("/AddSep_/",$name))&&(!$only_once)){
          $only_once = true;
          $n = preg_replace("/AddSep_/","",$name);
          $val= preg_replace("/_.*$/","",$n);
          $this->AddSeperator($val);
        }

        /* Delete application | seperator entry */
        if((preg_match("/DelApp_/",$name))&&(!$only_once)){
          $only_once = true;

          if(preg_match("/DelApp___SEPARATOR__/",$name)) {
            $n=  preg_replace("/DelApp___SEPARATOR__/","",$name);
            $val= "__SEPARATOR__".preg_replace("/_.*$/","",$n);
          }else{
            $n = preg_replace("/DelApp_/","",$name);
            $val= preg_replace("/_.*$/","",$n);
          }

          foreach($this->gosaMemberApplication as $key =>  $cat){
            foreach($cat as $key2 => $app){
              if($app['App'] == $val){
                unset($this->gosaMemberApplication[$key][$key2]);
                if(isset($this->used_apps[$val])){
                  foreach($this->getParameters($val) as $para){
                    if(isset($this->appoption[$para])){
                      unset($this->appoption[$para]);
                    }
                  }
                  unset($this->used_apps[$val]);
                }
              }
            }
          }
        }

        if(preg_match("/DelCat_/",$name) && !$only_once){
          $only_once =TRUE;
          $cat = preg_replace("/DelCat_/","",$name);
          $cat = trim(base64_decode( preg_replace("/_.*$/","",$cat)));

          $free_apps = array();

          if(isset($this->gosaMemberApplication[$cat]) && is_array($this->gosaMemberApplication[$cat])){
            foreach($this->gosaMemberApplication[$cat] as $app){
              $free_apps[] = $app['App'];
            }
            unset($this->gosaMemberApplication[$cat]);
            unset($this->Categories[$cat]);
          }
          foreach($this->Categories as $key => $name){
            if(preg_match("/^".normalizePreg($cat)."\/.*/",$key)){
              foreach($this->gosaMemberApplication[$key] as $app){
                $free_apps[] = $app['App'];
              }
              unset($this->gosaMemberApplication[$key]);
              unset($this->Categories[$key]);
            }
          }
          foreach($free_apps as $app){
            if(isset($this->used_apps[$app])){
              unset($this->used_apps[$app]);
            }
          }
        }

        /* Edit application parameter */
        if((preg_match("/EdiApp_/",$name))&&(!$only_once)){

          $only_once = true;
          $appname = $value;
          $appname = preg_replace("/EdiApp_/","",$name);  
          $appname = preg_replace("/_.*$/","",$appname);

          /* We've got the appname, get parameters from ldap */
          $ldap= $this->config->get_ldap_link();

          /* Check if we have release management enabled */
          $tmp = $this->config->search("faiManagement", "CLASS",array('menu','tabs'));
          if(!empty($tmp)){
    
            /* Get application parameter from ldap */
            $tmp = array_flip($this->Releases);
            $base = $tmp[$this->FAIrelease];
            $ldap->cd($base);
            $ldap->search("(&(objectClass=gosaApplication)(cn=$appname))",array("gosaApplicationParameter"));
            $found = "";
            while($attrs = $ldap->fetch()) {
              if(preg_match("/cn=".$appname.",".$base."/",$attrs['dn'])){
                $found = $attrs['dn'];
              }
            }
            $ldap->cat($found, array("gosaApplicationParameter"));
          }else{

            /* Get application parameter from ldap */
            $ldap->cd($this->config->current['BASE']);
            $ldap->search("(&(objectClass=gosaApplication)(cn=$appname))",array("gosaApplicationParameter"));
          }

          /* Check if this application is unique */
          if ($ldap->count() != 1){
            print_red (_("The selected application name is not uniq. Please check your LDAP."));
          } else {

            /* Get parameter */
            $attrs= $ldap->fetch();
            if(isset($attrs['gosaApplicationParameter'])){
              $this->dialog= TRUE;

              /* Fill name and value arrays */
              for ($i= 0; $i<$attrs['gosaApplicationParameter']['count']; $i++){
                $option= preg_replace('/^[^:]+:/', '',
                    $attrs['gosaApplicationParameter'][$i]);
                $name= preg_replace('/:.*$/', '', 
                    $attrs['gosaApplicationParameter'][$i]);
                $this->option_name[$i]= $name;

                /* Fill with values from application, default should be
                   loaded by the external scripts */
                if (isset($this->appoption[$name])){
                  $this->option_value[$i]= $this->appoption[$name];
                }
              }

              /* Create edit field */
              $table= "<table summary=\"\">";
              for ($i= 0; $i < count($this->option_name); $i++){
                if (isset($this->option_value[$i])){
                  $value= $this->option_value[$i];
                } else {
                  $value= "";
                }
                $table.="<tr><td>".$this->option_name[$i]."</td><td>".
                  "<input name=\"value$i\" size=60 maxlength=250 ".
                  "value=\"".$value."\"><br></td></tr>";
              }
              $table.= "</table>";
              $this->table= $table;
            } else {
              print_red (_("The selected application has no options."));
            }
          }
        }
      }
    }

    /* Add multiple */
    if(isset($_POST['AddApps'])){
      foreach($_POST as $name => $value){
        if(preg_match("/AddApp_/",$name)){
          $app = preg_replace("/AddApp_/","",$name);
          $this->addApp($app);
        }
      }
    }

    /* Add application with post */
    if((isset($_GET['act']))&&($_GET['act']=="add")){
      $this->used_apps[$_GET['id']]= $_GET['id'];
      asort($this->used_apps);
      $this->addApp($_GET['id']);
    }

    /* Cancel edit options? */
    if (isset($_POST['edit_options_cancel'])){
      $this->dialog= FALSE;
    }

    /* Finish edit options? */
    if (isset($_POST['edit_options_finish'])){
      $this->dialog= FALSE;

      /* Save informations passed by the user */
      $this->option_value= array();
      for ($i= 0; $i<count($this->option_name); $i++){
        $this->appoption[$this->option_name[$i]]= $_POST["value$i"];
        $this->is_modified= TRUE;
      }
    }

    /* Prepare templating stuff */
    $smarty= get_smarty();
    $smarty->assign("used_apps", $this->used_apps);
    $apps= array();
    foreach ($this->apps as $key => $value){
      if (!array_key_exists($key, $this->used_apps)){
        $apps["$key"]= "$value";
      }
    }


    /* Create application list */
    $div = new divSelectBox("appgroup");    
    $div->SetHeight(300);
    $departments = array();
    $res = get_list("(objectClass=gosaDepartment)", "application", $this->curbase,array("description","cn","ou"),GL_SIZELIMIT);
    foreach($res as $value){
      $fdn = $value['dn'];
      $fdn = preg_replace("/".normalizePreg($this->curbase)."/","",$fdn);
      $fdn= @LDAP::fix($fdn);
      if($value["description"][0]!=".."){
        $departments[$value['dn']]= convert_department_dn($fdn)." - [".$value["description"][0]."]";
      }else{
        $departments[$value['dn']]=convert_department_dn($fdn)." ["._("Back")."]";
      }
    }

    /* Create 'open' and 'add' links */
    if($this->acl_is_writeable("gosaMemberApplication",$this->no_release_acls)){
      $linkadd  = "<a href='?plug=".$_GET['plug']."&amp;act=add&amp;id=%s'>%s</a>";
    }else{
      $linkadd = "%s";
    }
    $linkopen = "<a href='?plug=".$_GET['plug']."&amp;act=depopen&amp;depid=%s'>%s</a>";

    /* Create base back entry */
    $base_back = preg_replace("/^[^,]+,/","",$this->curbase);
    if((strlen($base_back)>= strlen($this->config->current['BASE']))&&($this->curbase!=$this->config->current['BASE'])){
      $div->AddEntry(array(
            array("string"=>sprintf($linkopen,base64_encode($base_back),".. ["._("back")."]"),
              "attach"=>"style='border:0px;'")
            ));
    }

    /* Append departments for current base */
    foreach($departments as $key => $app){
      $div->AddEntry(array(
            array("string"=>"<img class='center' src='images/folder.png' alt='"._("department")."'>&nbsp;".sprintf($linkopen,base64_encode($key),$app),
              "attach"=>"style='border:0px;'")
            ));
    }

    /* Add applications found on this base */
    foreach($apps as $key => $app){
      $div->AddEntry(array(
            array("string"=>sprintf("<input class='center' type='checkbox' value='1' name='AddApp_%s'>",$key).
              "<img class='center' src='images/select_application.png' alt='"._("application")."'>&nbsp;".sprintf($linkadd,$key,$app),
              "attach"=>"style='border:0px;'")
            ));
    }

    /* Create list of used/assigned applications */
    $div2 = new divSelectBox("appgroup");
    $div2->SetHeight(300);

    /* Check acls to create "edit/remove" category links */
    if(!$this->acl_is_writeable("gosaMemberApplication",$this->no_release_acls)){
      $linkopen       = "<img class='center' src='images/folder.png' alt=\"\">&nbsp;<a href='?plug=".$_GET['plug']."&amp;act=open&amp;id=%s'>%s</a>";
      $catremove      = "&nbsp;<img src='images/empty.png' alt='&nbsp;'>";
      $catupdown      = "";
    }else{
      $linkopen       = "<img class='center' src='images/folder.png' alt=\"\">&nbsp;<a href='?plug=".$_GET['plug']."&amp;act=open&amp;id=%s'>%s</a>";
      $catremove      = "&nbsp;<input type='image' src='images/edittrash.png' title='"._("Delete entry")."' name='DelCat_%s' value='%s'>";
      $catupdown      = "<a href='?plug=".$_GET['plug']."&amp;act=cat_up&amp;id=%s'>".
        "<img align='top' alt=\"\" src='images/sort_up.png' border=0 title='"._("Move up")."'>".
        "</a>&nbsp;".
        "<a href='?plug=".$_GET['plug']."&amp;act=cat_down&amp;id=%s'>".
        "<img alt=\"\" src='images/sort_down.png' title='"._("Move down")."' border=0>".
        "</a>";
    }

    /* Add back category for current category */
    if(empty($this->curCatDir)){
      $cnt =0;
    }else{
      $cnt = count(split("/",$this->curCatDir));
      $tmp = split("/",$this->curCatDir);
      $bbk = "";
      for($i = 0 ; $i < ($cnt -1 ) ; $i++){
        $bbk .= $tmp[$i]."/";
      }
      $bbk = preg_replace("/\/$/","",$bbk);
      $div2 ->AddEntry(array(array("string"=>sprintf($linkopen,base64_encode($bbk),".. ["._("Back")."]")),array("string"=>"&nbsp;","attach"=>"style='border-right:0px;'")));
    }

    /* Add sub categories */ 
    $this->GetSubdirs($this->curCatDir);
    foreach($this->GetSubdirs($this->curCatDir) as $path => $name){
      $div2 ->AddEntry(array( 
            array("string"=>sprintf($linkopen,base64_encode($path),$name)),
            array("string"=>preg_replace("/%s/",base64_encode($path),$catupdown.$catremove),
              "attach"=>"align='right' style='width:80px;border-right:0px;'"))); 
    }

    /* Create priority & seperator links */
    $separator ="<hr size=1>"; 
    if($this->acl_is_writeable("gosaMemberApplication",$this->no_release_acls)){
      $sep      = "<input type='image' src='images/back.png' title='"._("Insert seperator")."' value='%s' name='AddSep_%s'>";
      $upudown  = "<a href='?plug=".$_GET['plug']."&amp;act=one_up&amp;id=%s'>".
                  " <img alt='{t}sort{/t}' align='top' src='images/sort_up.png' title='"._("Move up")."' border=0>".
                  "</a>&nbsp;".
                  "<a href='?plug=".$_GET['plug']."&amp;act=one_down&amp;id=%s'>".
                  " <img alt='{t}sort{/t}' src='images/sort_down.png' title='"._("Move down")."' border=0>".
                  "</a>&nbsp;".
                  "<input type='image' src='images/edittrash.png' title='"._("Delete entry")."' name='DelApp_%s' value='%s' alt='{t}delete{/t}' >";
    }else{
      $sep      = "";
      $upudown  = "";
    }
     
    /* Create edit link */ 
    if($this->acl_is_writeable("gosaApplicationParameter",$this->no_release_acls)){
      $edit=      "&nbsp;<input type='image' src='images/edit.png' title='"._("Edit entry")."' name='EdiApp_%s' value='%s' alt='{t}edit{/t}' >";
    }else{
      $edit=      "";
    }

    /* Get differences to mark those entries that have changed from last edit. */
    $Differences = $this->diffAppsInReleases();

    /* Walk through entries an append them to list */
    if(isset($this->gosaMemberApplication[$this->curCatDir])){
      foreach($this->gosaMemberApplication[$this->curCatDir] as $cat => $entry){

        /* Add seperator */ 
        if(preg_match("/__SEPARATOR__/",$entry['App'])){
          $div2 ->AddEntry(array(array("string"=>$separator),
                array("string"=>preg_replace("/\%s/",htmlentities($entry['App']),$upudown),"attach"=>"align='right' style='border-right:0px;'")));
        }else{

          /* Add application */

          $image = "";
          /* Check if application was available within selected release
           *  or application list if release management is not active
           */
          if(!in_array($entry['App'],$this->AllAppsForRelease)){

            /*  release managent is active
             */
            if(!$this->enableReleaseManagement){
              $image = "<img class='center' alt='R' src='images/select_invalid_application.png' 
                          title='"._("This application is no longer available.")."'>&nbsp;";
            }else{
              $image = "<img class='center' alt='F' src='images/select_invalid_application.png' 
                          title=\"".sprintf(_("This application is not available in any release named %s."),$this->FAIrelease)."\">&nbsp;";
            }
      
          }elseif(isset($Differences[$entry['App']]) && ($Differences[$entry['App']] == true)) {
            $entry['App'].=" <i>["._("Check parameter")."]</i>";
              $image = "<img class='center' src='images/select_invalid_application.png' 
                          title='"._("This application has changed parameters.")."'>&nbsp;";
          }else{
            $image = "<img class='center' src='images/select_application.png' alt=\"\">&nbsp;"; 
          }
          
          $div2->AddEntry(array(array("string"=>sprintf($image."%s",$entry['App'])),
                array("string"=>preg_replace("/\%s/",htmlentities($entry['App']),$sep.$edit.$upudown),
                      "attach"=>"align='right' style='width:100px;border-right:0px;'")));
        }
      }
    }

    /* Assign created div lists to template */
    $smarty->assign("UsedApps", $div2->DrawList());
    $smarty->assign("List", $div->DrawList());
    $smarty->assign("apps", $apps);
   
    $smarty->assign("enableReleaseManagement",$this->enableReleaseManagement);

    $smarty->assign("ReleaseSelectAble", false);
    $smarty->assign("Release", $this->FAIrelease);
 
    if($this->enableReleaseManagement){
      $smarty->assign("FAIrelease",  $this->FAIrelease);
      $smarty->assign("Releases", $this->Releases);

      if(!$this->no_release_acls && count($this->Releases)){
        $smarty->assign("ReleaseSelectAble", true);
      }
    }
  
    /* Set acls to  template */
    $tmp = $this->plInfo();
    foreach($tmp['plProvidedAcls'] as $acl => $translation){
      $smarty->assign($acl."ACL",$this->getacl($acl,$this->no_release_acls));
    }

    /* Assign multiple edit values */
    foreach(array("apps") as $attr){
      if(in_array($attr,$this->multi_boxes)){
        $smarty->assign("use_".$attr,TRUE);
      }else{
        $smarty->assign("use_".$attr,FALSE);
      }
    }
    $smarty->assign("multiple_support",$this->multiple_support_active);

    /* Show main page */
    if (($this->dialog)){
      $smarty->assign("table", $this->table);
      $display.= $smarty->fetch (get_template_path('application_options.tpl', TRUE,dirname(__FILE__)));
    } else {
      $display.= $smarty->fetch (get_template_path('application.tpl', TRUE,dirname(__FILE__)));
    }
    return ($display);
  }


  function getReleases()
  {
    /* Only display those releases that we are able to read */
    $dn     = $this->config->current['BASE'];
    $filter = "(&(objectClass=organizationalUnit)(objectClass=FAIbranch))";
    $res    = get_list($filter,"application", $dn, array("ou"), GL_SUBSEARCH);

    $ret =array();
    foreach($res as $attrs){
      if(preg_match("/".get_ou('applicationou')."/",$attrs['dn'])){
        $bb     = preg_replace("/".get_ou('applicationou').".*/","",$attrs['dn']);
        $parts  = array_reverse(split("ou=",$bb));

        $str ="";
        foreach($parts as $part){
          if(empty($part)) {
            continue;
          }
          $str .= str_replace(",","",$part)."/";
        }    
        $name = preg_replace("/\/$/","",$str);
        if(empty($name)) {
          $name ="/";
        }
        $ret[$attrs['dn']] = $name;
      }
    }
    natcasesort($ret);
    return($ret);
  }

  function save_object()
  {

    /* Move category one position up or down */
    if((isset($_GET['act']))&&(($_GET['act'] == "cat_up")||($_GET['act']=="cat_down"))){
      if($_GET['act']=="cat_up"){
        $this->catUp(base64_decode($_GET['id']));
      }
      if($_GET['act']=="cat_down"){
        $this->catDown(base64_decode($_GET['id']));
      }
    }

    /* Move application one position up or down */
    if((isset($_GET['act']))&&(($_GET['act'] == "one_up")||($_GET['act']=="one_down"))){
      if(isset($_GET['id'])){
        $id   = $_GET['id'];
        $act  = $_GET['act']; 

        if($act == "one_up"){
          $this->getOneUp($id);
        }elseif($act == "one_down")   { 
          $this->getOneDown($id);
        }
      }
    }


    plugin::save_object();
  }
 

  function remove_from_parent()
  {
    if(!$this->initially_was_account){
      return;
    }

    plugin::remove_from_parent();

    $ldap= $this->config->get_ldap_link();
    $ldap->cd($this->dn);
    $this->cleanup();
    
    $ldap->modify ($this->attrs); 
    new log("remove","group/".get_class($this),$this->dn,array_keys($this->attrs),$ldap->get_error());
    show_ldap_error($ldap->get_error(), sprintf(_("Removing of groups/applications with dn '%s' failed."),$this->dn));

    /* Optionally execute a command after we're done */
    $this->handle_post_events("remove");
  }


  /* Save to LDAP */
  function save()
  {
    /* Skip saving application settings, if we do not have release acls */
    if($this->no_release_acls && $this->enableReleaseManagement){
      new log("security","groups/".get_class($this),$this->dn,array(),"Skip saving group application extension. Caused by insufficient acls");
      
      return;
    }

    plugin::save();

    /* Copy members */
    $tmp = array("" => "");
    $tmp = array_merge($tmp,$this->Categories);

    $this->attrs["gosaMemberApplication"]= array();
    $this->attrs["gosaApplicationParameter"]= array();
    $cat_id= 0 ;
    foreach($tmp as $name => $cats){
      $i =0;
      if(isset($this->gosaMemberApplication[$name])){
        foreach($this->gosaMemberApplication[$name] as $entry){
          if(!preg_match("/__SEPARATOR__/",$entry['App'])){
            $this->attrs["gosaMemberApplication"][]= $entry['App']."|".$name."|".$i;
            $i ++;
          }
        }
      }
      if(($i==0)&&(!empty($name))){
        $this->attrs["gosaMemberApplication"][]= "|".$name."|".$cat_id;
      }
      $cat_id++;
    }


    /* Are there application parameters to be saved */
    $this->attrs['gosaApplicationParameter']= array();
    foreach($this->appoption as $name => $value){
      if ($value != ""){
        $this->attrs['gosaApplicationParameter'][]= "$name:$value";
      }
    }

    /* Write back to LDAP */
    $ldap= $this->config->get_ldap_link();
    $ldap->cd($this->dn);
    $this->cleanup();
    $ldap->modify ($this->attrs); 

    if($this->initially_was_account){
      new log("modify","group/".get_class($this),$this->dn,array_keys($this->attrs),$ldap->get_error());
    }else{
      new log("create","group/".get_class($this),$this->dn,array_keys($this->attrs),$ldap->get_error()); 
    }   

    show_ldap_error($ldap->get_error(), sprintf(_("Saving of groups/applications with dn '%s' failed."),$this->dn));

    /* Optionally execute a command after we're done */
    if ($this->initially_was_account == $this->is_account){
      if ($this->is_modified){
        $this->handle_post_events("modify");
      }
    } else {
      $this->handle_post_events("add");
    }

  }

  function check()
  {
    /* Call common method to give check the hook */
    $message= plugin::check();

    return ($message);
  }


  function reload()
  {
    /* Generate applist */
    $this->apps= array();

    /* Special handling for release managed apps */
    $tmp = $this->config->search("faiManagement", "CLASS",array('menu','tabs'));
    if(!empty($tmp) && count($this->Releases)){
      $this->enableReleaseManagement = true;

      /* Check if release is available */
      $tmp = array_flip($this->Releases);
      if(isset($tmp[$this->FAIrelease])){
        $base =  $tmp[$this->FAIrelease];
      }else{

        /* Release is not available, check if there is an alternative */
        $old_r =  $this->FAIrelease;
        $k = key($tmp);

        if(isset($tmp[$k])){
      
          /* We have found an alternative release name */
          $r = $tmp[$k];
          $this->FAIrelease = $k;
          $base = $r; 

          /* Display msg */
          if(!(!$this->initially_was_account && $old_r =="/")){
            print_red(sprintf(_("Can't resolve the release name '%s', setting release name to '%s'. Possibly the objects base has changed."),$old_r,$k));   
          }
        }else{
          
          /* There are no releases available ... */
          print_red(_("There are no releases available. You will not be able to select another release."));
          return;
        }
      }

      /* Get applications for this release */
      $base = preg_replace("/".get_ou('applicationou').".*$/",get_ou('applicationou').$this->curbase,$base);
      $res = get_list("(objectClass=gosaApplication)","application",$base,array("*"));
    }else{
    
      /* Get applications for this base */
      $res = get_list("(objectClass=gosaApplication)","application",get_ou('applicationou').$this->curbase,array("*"));
    }
    
    /* Append applications */
    foreach($res as $attrs){
      if (isset($attrs["description"][0])){    
        $this->apps[$attrs["cn"][0]]=
          $attrs["cn"][0]." (".
          $attrs["description"][0].")";
      } else {
        $this->apps[$attrs["cn"][0]]=
          $attrs["cn"][0];
      }
    }

    /* Get all apps ... */
    $res = get_list("objectClass=gosaApplication","application",$this->config->current['BASE'],array("gosaApplicationParameter","cn"),GL_SUBSEARCH); 
    $tmp = $this->config->search("faiManagement", "CLASS",array('menu','tabs'));
    $this->AllAppsForRelease = array();
    if(!empty($tmp)){
      $tmp = array_flip($this->Releases);
      foreach($res as $attrs){
        
        $testdn = preg_replace("/".get_ou('applicationou').".*$/",get_ou('applicationou'),$attrs['dn']);
        $testdn = preg_replace("/^[^,]+/","",$testdn);
        $testdn = preg_replace("/^,/","",$testdn);

        if($testdn == preg_replace("/".get_ou('applicationou').".*$/",get_ou('applicationou'),$tmp[$this->FAIrelease])){
          $this->AllAppsForRelease[$attrs['dn']] = $attrs['cn'][0];
          $this->AllAppsForReleaseParameter[$this->FAIrelease][$attrs['cn'][0]] = $attrs;
        }
      }
    }else{
      foreach($res as $attrs){
        $this->AllAppsForRelease[$attrs['dn']] = $attrs['cn'][0];
      }
    }

    natcasesort ($this->apps);
    reset ($this->apps);

    if(is_array($this->gosaMemberApplication))
      foreach ($this->gosaMemberApplication as $cat){   
        if(is_array($cat))
          foreach($cat as $entry){
            $this->used_apps[$entry['App']]= $entry['App'];
          }
      }
  }


  function addApp($cn)
  {
    if((isset($this->gosaMemberApplication[$this->curCatDir]))&&(is_array($this->gosaMemberApplication[$this->curCatDir]))){
      foreach($this->gosaMemberApplication[$this->curCatDir] as $entry){
        if($entry['App'] == $cn) return;
      }
    }
    $this->gosaMemberApplication[$this->curCatDir][]= array("App"=>$cn);
    $this->used_apps[$cn]=$cn;
    $this->is_modified= TRUE;
  }


  function removeApp($cn)
  {
    $temp= array();
    foreach ($this->gosaMemberApplication as $value){
      if ($value != $cn){
        $temp[]= $value;
      }
    }
    $this->gosaMemberApplication= $temp;
    $this->is_modified= TRUE;
  }

  function getParameters($app)
  {
    $tmp = $this->getReleases();
    $ret = array();
    if(in_array($this->FAIrelease,$tmp)){
      $tmp2 = array_flip($tmp);
      $base = $tmp2[$this->FAIrelease];
      $ldap = $this->config->get_ldap_link();
      $ldap->cd($this->config->current['BASE']);
      $ldap->search("(&(objectClass=gosaApplication)(cn=".$app.")(gosaApplicationParameter=*))",array("gosaApplicationParameter"));
      if($ldap->count()){
        $attrs = $ldap->fetch();
        for($i = 0 ; $i < $attrs['gosaApplicationParameter']['count'] ; $i ++ ){
          $name = preg_replace("/:.*$/","",$attrs['gosaApplicationParameter'][$i]);
          $ret[$name] = $name;
        } 
      }
    }
    return($ret);
  }

  function GetSubdirs($dir)
  {
    $ret = array();
    $tmp1 = split("/",$this->curCatDir);
 
    foreach($this->Categories as $path=>$cat){
      $tmp2 = split("/",$path);
      
      if((empty($this->curCatDir))&&(!preg_match("/\//",$path))){
        $abort = false;
      }elseif(((count($tmp1))+1) == (count($tmp2))){
        $abort = false;
        for($i = 0 ; $i < count($tmp1) ; $i++){
          if($tmp1[$i] != $tmp2[$i]){
            $abort = true;
          }
        }
      }else{
        $abort= true;
      }
      if(!$abort){
        $ret[$path]=$cat;
      } 
    }
    return($ret);
  }


  function PrepareForCopyPaste($source)
  {
    $s = new appgroup($this->config,$source['dn']);
    $this->FAIrelease = $this->InitialFAIrelease = $s->FAIrelease;
    $this->gosaMemberApplication = $s->gosaMemberApplication;
    $this->appoption = $s->appoption;
    $this->Categories = $s->Categories;
  }


  /* Return plugin informations for acl handling  */ 
  static function plInfo()
  {
    return (array(
          "plShortName"   => _("Applications"),
          "plDescription" => _("Group applications"),
          "plSelfModify"  => FALSE,
          "plDepends"     => array(),
          "plPriority"    => 0,
          "plSection"     => array("admin"),
          "plCategory"    => array("groups"),
          "plProvidedAcls"=> array(
            "gosaMemberApplication"     => _("Application"),
            "FAIrelease"                => _("Release"),
            "gosaApplicationParameter"  => _("Application parameter"))
          ));
  }


  function multiple_save_object()
  {
    if(isset($_POST['group_apps_multi'])){
      $this->save_object(); 
      plugin::multiple_save_object();    
  
      /* Get posts */
      foreach(array("apps") as $attr){
        if(isset($_POST['use_'.$attr])) {
          $this->multi_boxes[] = $attr;
        }
      }
    }
  }
  
  function multiple_execute()
  {
    return($this->execute());
  }

  function init_multiple_support($attrs,$all)
  {
    // Do nothing here
  }

  function get_multi_edit_values()
  {
    $ret = plugin::get_multi_edit_values();

    if(in_array("apps",$this->multi_boxes)){
      $ret['gosaApplicationParameter'] = $this->gosaApplicationParameter;
      $ret['Categories']               = $this->Categories;
      $ret['gosaMemberApplication']    = $this->gosaMemberApplication;
      $ret['FAIrelease']               = $this->FAIrelease;
      $ret['appoption']                = $this->appoption;
    }
    return($ret);
  }
}
// vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
?>