<?      
  /****************************************************************************************
  *                                 Display Logfiles                                      *
  *                    Author: Patrick Frey, hide@address.com                     *
  *                             ver. 1.0.1    2005/01/14                                  *
  ****************************************************************************************/

  
class displayLogfile {
       
	  var $rowstoread;
	  var $align;
	  var $filecontent;
	  var $fileRows;
	  var $rows;
	  var $linebreak;
	  

	  
	  // Set´s
	  
	  /**
	   * setRowsToRead()
	   * @desc This Function Sets "how much rows should be displayed." 
	   * If you leave this empty, standart is 40 Rows.
	   * @param int $rows
	   */
	  function setRowsToRead($data) {
	  	if($data>0) {
	  	  $this->rowstoread = $data;	
	  	} else {
	      $this->rowstoread = 40;
	  	}
	  }
	  
	  
	  /**
	   * setAlign()
	   * @desc This Function sets the Align. 
	   * "top" =  Last row on Top 
	   * "bottom" = Last row on Bottom
	   * Is this is not set, align is allways bottom! 
	   * @param string $align ("top" || "bottom")
	   */
	  function setAlign($data) {
	    if($data == "top" || $data == "bottom") {
	      $this->align = $data;
	    } else {
	      $this->align = "bottom";
	    }
	  }

	  
	  /**
	   * setLineBreak()
	   * @desc Set here, the count of chars, after you want the break the line.
	   * Dont set this if you dont need that.
	   * @param int $breakLineAfter
	   */
	  function setLineBreak($data=0) {
	    $data>0 ? $this->linebreak=$data : $this->linebreak=0;
	  }
	  
      /**
       * setFilepath()
       * This Function read the Filecontents, or returns an error if
       * the file doesent exists.
       * @param string $filename
       * @return bool
       */
      function setFilepath($data) {
        if($this->filecontent=@file($data)) {
          return true;
        } else {
          echo '<b>Error in: this->setFilepath()</b> <br />';
          echo 'File dosent exist ('.$data.') ';
          exit();
          return false;
        }
      }	  
	  
      
      
      
    // Action´s
    
    /**
     * rowSize()
     * @desc This Function fills $this->fileRows with the row-counting 
     */
    function rowSize() {
     if($this->filecontent) {
      $this->fileRows = count($this->filecontent);
     }
    }
    
    
    /**
     * readRows()
     * @desc This Function creates the Array $this->rows. Key = Linenumber / Value = Row
     *
     */
    function readRows() {
      $this->rowSize();
      $this->rowstoread>$this->fileRows ? $this->rowstoread=$this->fileRows : $this->rowstoread*=1;
      $this->rowstoread<1 ? $start=1 : $start=($this->fileRows-$this->rowstoread);
      $this->outputRows = array();  
      $count=1;
      for($x=$start; $x<=$this->fileRows-1; $x++) {
       $this->rows[$x] = $this->filecontent[$x];
       $count++;
      }  
       $this->align=="top" ? $this->rows = array_reverse($this->rows,TRUE) : false; 
    } 
    
    /**
     * returnFormated()
     * @desc This Function returns the Formated Rows as String
     */
    function returnFormated() {
      $this->readRows();
      foreach($this->rows AS $rowNumber => $row) {
      	if($this->linebreak>0) {
      	 $rowfill = str_pad("",(strlen($rowNumber.":")+2)," ",STR_PAD_LEFT);
      	 echo wordwrap(str_pad($rowNumber.":",(strlen($rowNumber.":")+2)," ", STR_PAD_RIGHT).$row,$this->linebreak, chr(13).chr(10).$rowfill,1);
      	} else {
         echo str_pad($rowNumber.":",(strlen($rowNumber.":")+2)," ", STR_PAD_RIGHT).$row;
        }
      }
    }
}
        
        
?>