File: class.tabtext.inc

<?php 
/*
	class TabText
	
	@author Andreas Martens
	@version 0.1 - expecting further versions
	
	class to create simultanious tabbed text for each column. 
	Text should be formated with tabs and breaks like this:
	Field 1 \t Field 2 \t Field 3 \n
	Item 11\t Item 12 \ Item 13\n
	Item 21\t Item 22 \t Item 23\n

*/

class TabText	{

	var $tab = "\t";
	var $nl = "\n";
	var $w = " ";
	var $full_text;
	var $fields_maxlen;
	var $text_fields;
	var $line_fields;
	var $tabsize;
	var $right;
	
/* 
		 public method text_format()
		expects one var, possible are two more vars for the tabsize and rightbound field (array).

		@param string $text		should be with tabs and breaks
		@param int		$tabsize	size of a tab, depending on editor or email client	 
		@param array $right		array with field numbers, you want to rightbound (count from 0)
*/
	function text_format($text,$tabsize=6,$right){

		$this->tabsize = $tabsize;
		$this->right = $right;
		
		$text_lines = explode("\n",$text);
		for($i=0;$i<count($text_lines);$i++){
			$this->text_fields[] = explode("\t",trim($text_lines[$i])); 
		}
		
		$this->max_length();
	}

	
	function max_length(){
	
		for($i=0;$i<count($this->text_fields);$i++){
			for($e=0;$e<count($this->text_fields[$i]);$e++){
				if(strlen($this->text_fields[$i][$e])>$this->fields_maxlen[$e])	$this->fields_maxlen[$e] = strlen($this->text_fields[$i][$e]);
			}
		}
		for($e=0;$e<count($this->fields_maxlen);$e++){
			$this->fields_maxlen[$e] = ceil($this->fields_maxlen[$e] / $this->tabsize) * $this->tabsize;
		}
	}
	
/* 
		 public method text_line()
		 adds a line after given line number. You can choose the line art as second parameter.

		@param int			the line number, you wanna add the line after
		@param string	just a char, you wanna have the line of 
*/

	function text_line($line_number,$line_art="-")	{
		
		$len = 0;
		reset($this->fields_maxlen);
    	while (list($k, $v) = each ($this->fields_maxlen)) {
			$len =  $len + $v;
    	}
		reset($this->fields_maxlen);
		
		for($i=0;$i<$len;$i++)	{
			$this->line_fields[$line_number-1] .= $line_art;
		}
		$this->line_fields[$line_number-1] .= "\n";
	}
	

/* 
		 public method text_output()
		just call to output the whole stuff.
*/

	function text_output(){
	
		$this->full_text = $this->line_fields[-1];
	
		for($i=0;$i<count($this->text_fields);$i++){
			
			for($e=0;$e<count($this->fields_maxlen);$e++){
				#$this->fields_maxlen[$e] = ceil($this->fields_maxlen[$e] / $this->tabsize) * $this->tabsize;
				if(in_array($e,$this->right)){
					$tempstring = $this->text_fields[$i][$e];
					for($q=0;$q<($this->fields_maxlen[$e]-strlen($tempstring)-1);$q++){
						$this->text_fields[$i][$e] = " ".$this->text_fields[$i][$e];
					}
					$this->text_fields[$i][$e] .= " ";
				}
				$new_fields[$i][$e] = $this->text_fields[$i][$e];
			
				for($r=0;$r<ceil(($this->fields_maxlen[$e]-strlen($this->text_fields[$i][$e]))/$this->tabsize);$r++){
					$new_fields[$i][$e] .= "\t";
				}
				
				$this->full_text .= $new_fields[$i][$e];
			}
			$this->full_text .= "\n".$this->line_fields[$i];
		}
		return $this->full_text;
	}
	
	
}

 ?>