<?php

class gotoLpdEnable extends plugin
{
	public $parent;

  protected $DevID = 0;
  private $data = array();
  private $default_entry = array();

  protected $s_Type = "U";
  protected $s_Device = "/dev/usb/lp";
  protected $i_Port = 9100;   
  protected $s_Options = "";
  protected $s_WriteOnly = "Y";

  protected $s_Speed = 9600;
  protected $s_FlowControl = "S";
  protected $s_Parity = "E";
  protected $i_Bit = 5;

  /* Option predefinition */
  private $a_Types = array();
  private $a_FlowControls = array(); //  
  private $a_Parities = array();    //  
  private $a_Speeds = array();      // 
  private $a_Bits = array();        //
  private $a_Devices = array();
  public    $attributes = array("s_Type","s_Device","i_Port","s_Options","s_WriteOnly",
      "s_Speed","s_FlowControl","s_Parity","i_Bit");

  /*! \brief  Create gotoLpdEnable dialog, allows to edit printer settings.
      @param  Object  $config  The GOsa configuration object.
      @param  Array   $data    The values for attribute 'gotoLpdEnable'
                      e.g.     array("U:/dev/usb/lp0:9100:9600:S:E:0:Y:options",
                               "U:/dev/usb/lp1:9101:9600:S:E:5:Y:", ...)
      @param  Object  $parent  A reference to the parent plugin-object. 
      @return Object  gotoLpdEnable (plugin) 
  */
	public function __construct($config,$data,&$parent)
	{
		plugin::plugin($config,NULL);
		$this->parent = $parent;
    $this->DevID = 0;

    /* Predefine selectable values 
     */ 
    $this->a_Types = array(
        "U" => _("USB"),
        "P" => _("Parallel port"),
        "S" => _("Serial"));
    $this->a_FlowControl = array(
        "S" => _("Software"),
        "H" => _("Hardware"));
    $this->a_Parities = array(
        "E"  => _("Even"),
        "O"  => _("Odd"),
        "N"  => _("None"));
    $this->a_Speeds = array(
        "4800"  => "4.800&nbsp;"._("bit/s"),
        "9600"  => "9.600&nbsp;"._("bit/s"),
        "19200" => "19.200&nbsp;"._("bit/s"),
        "38400" => "38.400&nbsp;"._("bit/s"),
        "57600" => "57.600&nbsp;"._("bit/s"),
        "115200"=> "115.200&nbsp;"._("bit/s"),
        "230400"=> "230.400&nbsp;"._("bit/s"),
        "460800"=> "460.800&nbsp;"._("bit/s"));
    $this->a_Bits = array(
        5,6,7,8);
    $this->a_Devices = array(
        "U" => "/dev/usb/lp",
        "P" => "/dev/lp",
        "S" => "/dev/ttyS");

    /* Create default entry 
     */
    foreach($this->attributes as $attr){
      $this->default_entry[$attr] = $this->$attr;
    }

    /* Load current settings 
     */
    if(count($data) == 0){
      $this->is_account = FALSE;
    }else{
      foreach($data as $dat){
        if(substr_count($dat,":") < 8) continue;
        list($s_Type,$s_Device,$i_Port,$s_Speed,$s_FlowControl,$s_Parity,$i_Bit,$s_WriteOnly,$s_Options) = split("\:",$dat);
        $entry = array();
        foreach($this->attributes as $attr){
          $entry[$attr] = $$attr;
        }
        $this->data[] = $entry;
      }

      /* Set first entry values 
          From "$this->data[0]" to "$this->"
       */
      if(count($this->data)){
        foreach($this->attributes as $attr){
          $this->$attr = $this->data[$this->DevID][$attr];
        }
        $this->is_account = TRUE;
      }      
    }
    $this->initially_was_account = $this->is_account;
  }


  /*! \brief  Create HTML output of this plugin.
              Depending on the current plugin status, there is a 
                'create' and a 'remove'account button displayed on top
               followed by the gotoLpdEnable options.
      @param  .
      @return String  HTML content
  */
	public function execute()
	{
    $display = "";

    /* Set smarty variables 
     */
		$smarty = get_smarty();
    $smarty->assign("acl",$this->parent->getacl("gotoLpdEnable"));
    foreach($this->attributes as $attr){
      $smarty->assign($attr,$this->$attr);
    }
    foreach(array("DevID","a_Types","a_FlowControl","a_Parities","a_Speeds","a_Bits") as $attr){
      $smarty->assign($attr,$this->$attr);
    }
    ksort($this->data);
    $smarty->assign("data_cnt",count($this->data));
    $smarty->assign("data",$this->data);
    $smarty->assign("a_DevIDs",array_keys($this->data));
    $smarty->assign("is_account",$this->is_account);
		return($display.$smarty->fetch(get_template_path("gotoLpdEnable.tpl",TRUE,dirname(__FILE__))));
	}


  /*! \brief  Checks the given informations and returns an array 
               with the error messages or an empty array if everything went fine.
      @param  .
      @return Array of Strings  Error messages.
  */
  public function check()
  {
    $messages = plugin::check();
    if(!$this->is_account){
      return($messages);
    }
    foreach($this->data as $id => $entry){
      if(!tests::is_id($entry['i_Port'])){
        $messages[] = msgPool::invalid(_("Port"));
      }
      if(preg_match("/:/",$entry['s_Options'])){
        $messages[] = msgPool::invalid(_("Options"));
      }
    }
    return($messages);
  }  


  /*! \brief  Save all ui inputs. 
      @param  .
      @return .
  */
  public function save_object()
  {
    if(!$this->parent->acl_is_writeable("gotoLpdEnable")){
      return;
    }

    if(!isset($_POST['gotoLpdEnable_entry_posted'])){
      return;
    }

    /* Handle account add/remove 
     */
    if(isset($_POST['gotoLpdEnable_enabled'])){
      $this->is_account = TRUE;
    }else{
      $this->is_account = FALSE;
    }

    /* Check if we have to propose device settings 
        (current device info is empty and the printer type has changed)
     */
    $propose_device = "";
    if(isset($_POST['s_Device']) && empty($_POST['s_Device']) && 
        isset($_POST['s_Type']) && $_POST['s_Type'] != $this->s_Type){
      $propose_device = $this->a_Devices[$_POST['s_Type']].$this->DevID;
    }

    plugin::save_object();

    if(!empty($propose_device)){
      $this->s_Device = $propose_device;
    }

    /* Get checkbox changes 
      */
    if(isset($_POST['s_WriteOnly'])){
      $this->s_WriteOnly = "Y";
    }else{
      $this->s_WriteOnly = "N";
    }

    /* Write back attributes to data array ($this->data)
     */
    foreach($this->attributes as $attr){
      $this->data[$this->DevID][$attr] = $this->$attr;
    } 

    /* Device ID has changed another printer was selected * /
    if(isset($_POST['DevID']) && $_POST['DevID'] != $this->DevID){
      $this->DevID = $_POST['DevID'];
      foreach($this->attributes as $attr){
        $this->$attr = $this->data[$this->DevID][$attr];
      }
    } 
    */

    /* Add and remove additional printer settings 
    if(isset($_POST['del_printer'])){
      unset($this->data[$this->DevID]);
      $this->data = array_values($this->data);
      if(count($this->data) == 0){
        $this->is_account = FALSE;
      }
      $this->DevID = key($this->data);
    }
    if(isset($_POST['add_printer'])){
      if(count($this->data) < 3){
        $entry = $this->default_entry;
        $entry['i_Port'] = $entry['i_Port'] + count($this->data);
        $entry['s_Device'] = $entry['s_Device'].count($this->data);
        $this->DevID = count($this->data);
        $this->data[] = $entry; 
        foreach($this->attributes as $attr){
          $this->$attr = $this->data[$this->DevID][$attr];
        }
      }
    }
    */
  }


  /*! \brief  Creates an array containing all gotoLpdEnabled values,
               see constructor for more details.
      @param  .
      @return Array of gotoLpdEnabled Strings.
  */
  public function save()
  {
    $ret = array();
    $serial_only = array("s_Speed","s_FlowControl","s_Parity","i_Bit");
    $attrs = array("s_Type","s_Device","i_Port","s_Speed","s_FlowControl","s_Parity","i_Bit","s_WriteOnly","s_Options"); 
    foreach($this->data as $entry){
      $str = "";
      foreach($attrs as $attr){
        if(in_array($attr,$serial_only) && $entry['s_Type'] != "Serial"){
          $str .= ":";
        }else{
          $str .= $entry[$attr].":";
        }
      }
      $ret[] = preg_replace("/:$/","",$str);
    }
    return($ret);
  }


  /*! \brief  .  
      @param  .
      @return .
  */
  public function acl_is_writeable($attr,$skip_write = FALSE)
  { 
    return(TRUE);
  }


  /*! \brief  .  
      @param  .
      @return .
  */
  public function acl_is_removeable($skip_write = FALSE)
  { 
    return(TRUE);
  }


  /*! \brief  .  
      @param  .
      @return .
  */
  public function acl_is_createable($skip_write = FALSE)
  { 
    return(TRUE);
  }
}

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?>