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Code Editor : class.multicelltag.php

<?php                               
/****************************************************************************
* Software: FPDF class extension                                            *
*           Tag Based Multicell                                             *
* Version:  1.3                                                             *
* Date:     2005/12/08                                                      *
* Author:   Bintintan Andrei  -- klodoma@ar-sd.net                          *
*                                                                           *
* Last Modification: 2006/09/18                                             *
*                                                                           *
*                                                                           *
* License:  Free for non-commercial use                                     *
*                                                                           *
* You may use and modify this software as you wish.                         *
* PLEASE REPORT ANY BUGS TO THE AUTHOR. THANK YOU   
 * 
 * @package externe
 * @subpackage FPDF	 	                    *
****************************************************************************/

/**
Modifications:
2006.09.18  
    - added YPOS parameter to the tab for super/subscript posibility. ypos = '-1' means the relative position to the normal Y. 
2006.07.30  
    - added Paragraph Support(a sort of) - paragraphs can be specified with size='integer value' and PARAGRAPH_STRING character
2006.05.18
    - removed the NBLines functions
    - added StringToLines function
    - modified  MultiCellTag to accept as data parameter an array type like the return from  StringToLines function
    - these modifications does not affect the main class behavior, they are used for further developement and class extensions
*/

if (!defined('FPDF_VERSION')) {
	require_once(dirname(__FILE__).'/fpdf.php');
}

require_once("class.string_tags.php");

if (!defined('PARAGRAPH_STRING')) define('PARAGRAPH_STRING', '~~~');

/**
 * @package externe
 * @subpackage FPDF
 */
class FPDF_MULTICELLTAG extends FPDF{
var $wt_Current_Tag;
var $wt_FontInfo;//tags font info
var $wt_DataInfo;//parsed string data info
var $wt_DataExtraInfo;//data extra INFO
var $wt_TempData; //some temporary info

function _wt_Reset_Datas(){
		$this->wt_Current_Tag = "";
		$this->wt_DataInfo = array();
		$this->wt_DataExtraInfo = array(
			"LAST_LINE_BR" => "",		//CURRENT LINE BREAK TYPE
			"CURRENT_LINE_BR" => "",	//LAST LINE BREAK TYPE
			"TAB_WIDTH" => 10			//The tab WIDTH IS IN mm
		);

//if another measure unit is used ... calculate your OWN
		$this->wt_DataExtraInfo["TAB_WIDTH"] *= (72/25.4) / $this->k;
		/*
			$this->wt_FontInfo - do not reset, once read ... is OK!!!
		*/
	}//function _wt_Reset_Datas(){

/**
        Sets current tag to specified style
        @param		$tag - tag name
        			$family - text font family
        			$style - text style
        			$size - text size
        			$color - text color
        @return 	nothing
	*/
    function SetStyle2($tag,$family,$style,$size,$color)
	{

if ($tag == "ttags") $this->Error (">> ttags << is reserved TAG Name.");
		if ($tag == "") $this->Error ("Empty TAG Name.");

//use case insensitive tags
		$tag=trim(strtoupper($tag));
		$this->TagStyle[$tag]['family']=trim($family);
		$this->TagStyle[$tag]['style']=trim($style);
		$this->TagStyle[$tag]['size']=trim($size);
		$this->TagStyle[$tag]['color']=trim($color);
	}//function SetStyle

/**
        Sets current tag style as the current settings
        	- if the tag name is not in the tag list then de "DEFAULT" tag is saved.
        	This includes a fist call of the function SaveCurrentStyle()
        @param		$tag - tag name
        @return 	nothing
	*/
	function ApplyStyle($tag){

//use case insensitive tags
		$tag=trim(strtoupper($tag));

if ($this->wt_Current_Tag == $tag) return;

if (($tag == "") || (! isset($this->TagStyle[$tag]))) $tag = "DEFAULT";

$this->wt_Current_Tag = $tag;

$style = & $this->TagStyle[$tag];

if (isset($style)){
            $this->SetFont('DejaVu', $style['style'], $style['size']);
            //this is textcolor in FPDF format
            if (isset($style['textcolor_fpdf'])) {
            	$this->TextColor = $style['textcolor_fpdf'];
            	$this->ColorFlag=($this->FillColor!=$this->TextColor);
			}else
            {
	            if ($style['color'] <> ""){//if we have a specified color
	            	$temp = explode(",", $style['color']);
					$this->SetTextColor($temp[0], $temp[1], $temp[2]);
				}//fi
			}
			/**/
		}//isset
	}//function ApplyStyle($tag){

/**
		Save the current settings as a tag default style under the DEFAUTLT tag name
        @param		none
        @return 	nothing
	*/
	function SaveCurrentStyle(){
		//*
		$this->TagStyle['DEFAULT']['family'] = $this->FontFamily;;
		$this->TagStyle['DEFAULT']['style'] = $this->FontStyle;
		$this->TagStyle['DEFAULT']['size'] = $this->FontSizePt;
		$this->TagStyle['DEFAULT']['textcolor_fpdf'] = $this->TextColor;
		$this->TagStyle['DEFAULT']['color'] = "";
		/**/
	}//function SaveCurrentStyle

/**
		Divides $this->wt_DataInfo and returnes a line from this variable
        @param		$w - Width of the text
        @return     $aLine = array() -> contains informations to draw a line
	*/
	function MakeLine($w){

$aDataInfo = & $this->wt_DataInfo;
		$aExtraInfo = & $this->wt_DataExtraInfo;

//last line break >> current line break
		$aExtraInfo['LAST_LINE_BR'] = $aExtraInfo['CURRENT_LINE_BR'];
		$aExtraInfo['CURRENT_LINE_BR'] = "";

if($w==0)
	        $w=$this->w - $this->rMargin - $this->x;

$wmax = ($w - 2*$this->cMargin) * 1000;//max width

$aLine = array();//this will contain the result
		$return_result = false;//if break and return result
		$reset_spaces = false;

$line_width = 0;//line string width
		$total_chars = 0;//total characters included in the result string
		$space_count = 0;//numer of spaces in the result string
		$fw = & $this->wt_FontInfo;//font info array

$last_sepch = ""; //last separator character
        
		foreach ($aDataInfo as $key => $val){
            
			$s = $val['text'];

$tag = &$val['tag'];

$bParagraph = false;            
            if (($s == "\t") && ($tag == 'pparg')){
                $bParagraph = true;
                $s = "\t";//place instead a TAB
            }

$s_lenght=strlen($s);

$i = 0;//from where is the string remain
            $j = 0;//untill where is the string good to copy -- leave this == 1->> copy at least one character!!!
            $str = "";
            $s_width = 0;	//string width
            $last_sep = -1; //last separator position
            $last_sepwidth = 0;
            $last_sepch_width = 0;
            $ante_last_sep = -1; //ante last separator position
            $spaces = 0;
            
            //parse the whole string
	        while ($i < $s_lenght){
	        	$c = $s[$i];

if($c == "\n"){//Explicit line break
   	        		$i++; //ignore/skip this caracter
	        		$aExtraInfo['CURRENT_LINE_BR'] = "BREAK";
	        		$return_result = true;
	        		$reset_spaces = true;
	        		break;
	        	}

//space
   	        	if($c == " "){
					$space_count++;//increase the number of spaces
					$spaces ++;
	        	}

//	Font Width / Size Array
	        	if (!isset($fw[$tag]) || ($tag == "")){
	        		//if this font was not used untill now,
	        		$this->ApplyStyle($tag);
	        		$fw[$tag]['w'] = $this->CurrentFont['cw'];//width
	        		$fw[$tag]['s'] = $this->FontSize;//size
	        	}

$char_width = $fw[$tag]['w'][$c] * $fw[$tag]['s'];

//separators
	        	if(is_int(strpos(" ,.:;",$c))){

$ante_last_sep = $last_sep;
	        		$ante_last_sepch = $last_sepch;
	        		$ante_last_sepwidth = $last_sepwidth;
	        		$ante_last_sepch_width = $last_sepch_width;

$last_sep = $i;//last separator position
	        		$last_sepch = $c;//last separator char
	        		$last_sepch_width = $char_width;//last separator char
	        		$last_sepwidth = $s_width;

}

if ($c == "\t"){//TAB
	        		$c = $s[$i] = "";
                    $char_width = $aExtraInfo['TAB_WIDTH'] * 1000;
	        	}

if ($bParagraph == true){
                    $c = $s[$i] = "";
                    $char_width = $this->wt_TempData['LAST_TAB_REQSIZE']*1000 - $this->wt_TempData['LAST_TAB_SIZE'];
                    if ($char_width < 0) $char_width = 0;                
                }

$line_width += $char_width;

if($line_width > $wmax){//Automatic line break

$aExtraInfo['CURRENT_LINE_BR'] = "AUTO";

if ($total_chars == 0) {
						/* This MEANS that the $w (width) is lower than a char width...
							Put $i and $j to 1 ... otherwise infinite while*/
						$i = 1;
						$j = 1;
                        $return_result = true;//YES RETURN THE RESULT!!!
                        break;
					}//fi

if ($last_sep <> -1){
						//we have a separator in this tag!!!
						//untill now there one separator
						if (($last_sepch == $c) && ($last_sepch != " ") && ($ante_last_sep <> -1)){
							/*	this is the last character and it is a separator, if it is a space the leave it...
                                Have to jump back to the last separator... even a space
							*/
							$last_sep = $ante_last_sep;
							$last_sepch = $ante_last_sepch;
							$last_sepwidth = $ante_last_sepwidth;
						}

if ($last_sepch == " "){
							$j = $last_sep;//just ignore the last space (it is at end of line)
							$i = $last_sep + 1;
							if ( $spaces > 0 ) $spaces --;
							$s_width = $last_sepwidth;
						}else{
							$j = $last_sep + 1;
							$i = $last_sep + 1;
							$s_width = $last_sepwidth + $last_sepch_width;
						}

}elseif(count($aLine) > 0){
						//we have elements in the last tag!!!!
						if ($last_sepch == " "){//the last tag ends with a space, have to remove it

$temp = & $aLine[ count($aLine)-1 ];

if ($temp['text'][strlen($temp['text'])-1] == " "){

$temp['text'] = substr($temp['text'], 0, strlen($temp['text']) - 1);
								$temp['width'] -= $fw[ $temp['tag'] ]['w'][" "] * $fw[ $temp['tag'] ]['s'];
								$temp['spaces'] --;

//imediat return from this function
								break 2;
							}else{
								#die("should not be!!!");
							}//fi
						}//fi
					}//fi else

$return_result = true;
	        		break;
				}//fi - Auto line break

//increase the string width ONLY when it is added!!!!
	        	$s_width += $char_width;

$i++;
	        	$j = $i;
	        	$total_chars ++;
	        }//while

$str = substr($s, 0, $j);

$sTmpStr = & $aDataInfo[$key]['text'];
            $sTmpStr = substr($sTmpStr, $i, strlen($sTmpStr));

if (($sTmpStr == "") || ($sTmpStr === FALSE))//empty
                array_shift($aDataInfo);

if ($val['text'] == $str){
	        }
            
            if (!isset($val['href'])) $val['href']='';
            if (!isset($val['ypos'])) $val['ypos']=0;

//we have a partial result
            array_push($aLine, array(
	        	'text' => $str,
	        	'tag' => $val['tag'],
	        	'href' => $val['href'],
	        	'width' => $s_width,
	        	'spaces' => $spaces,
                'ypos' => $val['ypos']
	        ));
            
            $this->wt_TempData['LAST_TAB_SIZE'] = $s_width;
            $this->wt_TempData['LAST_TAB_REQSIZE'] = (isset($val['size'])) ? $val['size'] : 0;           
            
	        if ($return_result) break;//break this for

}//foreach

// Check the first and last tag -> if first and last caracters are " " space remove them!!!"

if ((count($aLine) > 0) && ($aExtraInfo['LAST_LINE_BR'] == "AUTO")){
			//first tag
			$temp = & $aLine[0];
			if ( (strlen($temp['text']) > 0) && ($temp['text'][0] == " ")){
				$temp['text'] = substr($temp['text'], 1, strlen($temp['text']));
				$temp['width'] -= $fw[ $temp['tag'] ]['w'][" "] * $fw[ $temp['tag'] ]['s'];
				$temp['spaces'] --;
			}

//last tag
			$temp = & $aLine[count($aLine) - 1];
			if ( (strlen($temp['text'])>0) && ($temp['text'][strlen($temp['text'])-1] == " ")){
				$temp['text'] = substr($temp['text'], 0, strlen($temp['text']) - 1);
				$temp['width'] -= $fw[ $temp['tag'] ]['w'][" "] * $fw[ $temp['tag'] ]['s'];
				$temp['spaces'] --;
			}
		}

if ($reset_spaces){//this is used in case of a "Explicit Line Break"
			//put all spaces to 0 so in case of "J" align there is no space extension
			for ($k=0; $k< count($aLine); $k++) $aLine[$k]['spaces'] = 0;
		}//fi

return $aLine;
	}//function MakeLine

/**
		Draws a MultiCell with TAG recognition parameters
        @param		$w - with of the cell
        			$h - height of the cell
        			$pData - string or data to be printed
        			$border - border
        			$align	- align
        			$fill - fill
                    $pDataIsString - true if $pData is a string
                                   - false if $pData is an array containing lines formatted with $this->MakeLine($w) function
                                        (the false option is used in relation with StringToLines, to avoid double formatting of a string

These paramaters are the same and have the same behavior as at Multicell function
        @return     nothing
	*/
	//function MultiCellTag($w, $h, $pData, $border=0, $align='J', $fill=0, $pDataIsString = true){
	function ext_MultiCellTag($w, $h, $pData, $border=0, $align='J', $fill=0, $pDataIsString = true){

//save the current style settings, this will be the default in case of no style is specified
		$this->SaveCurrentStyle();
		$this->_wt_Reset_Datas();
        
        //if data is string
        if ($pDataIsString === true) $this->DivideByTags($pData);

$b = $b1 = $b2 = $b3 = '';//borders

//save the current X position, we will have to jump back!!!!
		$startX = $this -> GetX();

if($border)
	    {
	        if($border==1)
	        {
	            $border = 'LTRB';
	            $b1 = 'LRT';//without the bottom
	            $b2 = 'LR';//without the top and bottom
	            $b3 = 'LRB';//without the top
	        }
	        else
	        {
	            $b2='';
	            if(is_int(strpos($border,'L')))
	                $b2.='L';
	            if(is_int(strpos($border,'R')))
	                $b2.='R';
	            $b1=is_int(strpos($border,'T')) ? $b2 . 'T' : $b2;
	            $b3=is_int(strpos($border,'B')) ? $b2 . 'B' : $b2;
	        }

//used if there is only one line
	        $b = '';
	        $b .= is_int(strpos($border,'L')) ? 'L' : "";
	        $b .= is_int(strpos($border,'R')) ? 'R' : "";
	        $b .= is_int(strpos($border,'T')) ? 'T' : "";
	        $b .= is_int(strpos($border,'B')) ? 'B' : "";
	    }

$first_line = true;
        $last_line = false;
        
        if ($pDataIsString === true){
	        $last_line = !(count($this->wt_DataInfo) > 0);
        }else {
            $last_line = !(count($pData) > 0);
        }
                                                                      
		while(!$last_line){
			if ($fill == 1){
				//fill in the cell at this point and write after the text without filling
				$this->Cell($w,$h,"",0,0,"",1);
				$this->SetX($startX);//restore the X position
			}

if ($pDataIsString === true){
			    //make a line
			    $str_data = $this->MakeLine($w);
			    //check for last line
			    $last_line = !(count($this->wt_DataInfo) > 0);
            }else {
                //make a line
			    $str_data = array_shift($pData);
			    //check for last line
			    $last_line = !(count($pData) > 0);
            }

if ($last_line && ($align == "J")){//do not Justify the Last Line
				$align = "L";
			}

//outputs a line
			$this->PrintLine($w, $h, $str_data, $align);

//see what border we draw:
			if($first_line && $last_line){
				//we have only 1 line
				$real_brd = $b;
			}elseif($first_line){
				$real_brd = $b1;
			}elseif($last_line){
				$real_brd = $b3;
			}else{
				$real_brd = $b2;
			}

if ($first_line) $first_line = false;

//draw the border and jump to the next line
			$this->SetX($startX);//restore the X
			$this->Cell($w,$h,"",$real_brd,2);
		}//while(! $last_line){

//APPLY THE DEFAULT STYLE
		$this->ApplyStyle("DEFAULT");

$this->x=$this->lMargin;
	}//function MultiCellExt

/**
		This method divides the string into the tags and puts the result into wt_DataInfo variable.
        @param		$pStr - string to be printed
        @return     nothing
	*/
    
    function DivideByTags($pStr, $return = false){

$pStr = str_replace("\t", "<ttags>\t</ttags>", $pStr);
        $pStr = str_replace(PARAGRAPH_STRING, "<pparg>\t</pparg>", $pStr);
		$pStr = str_replace("\r", "", $pStr);

//initialize the String_TAGS class
		$sWork = new String_TAGS(5);

//get the string divisions by tags
        $this->wt_DataInfo = $sWork->get_tags($pStr);
               
        if ($return) return $this->wt_DataInfo;
    }//function DivideByTags($pStr){
    
	/**
		This method parses the current text and return an array that contains the text information for
        each line that will be drawed.
        @param		$w - with of the cell
        			$pStr - String to be parsed
        @return     $aStrLines - array - contains parsed text information.
	*/
	function StringToLines($w = 0, $pStr){

//save the current style settings, this will be the default in case of no style is specified
		$this->SaveCurrentStyle();
		$this->_wt_Reset_Datas();
        
        $this->DivideByTags($pStr);
             
	    $last_line = !(count($this->wt_DataInfo) > 0);
        
        $aStrLines = array();

while (!$last_line){

//make a line
			$str_data = $this->MakeLine($w);
            array_push($aStrLines, $str_data);

//check for last line
			$last_line = !(count($this->wt_DataInfo) > 0);
		}//while(! $last_line){

//APPLY THE DEFAULT STYLE
		$this->ApplyStyle("DEFAULT");

return $aStrLines;
	}//function StringToLines

/**
		Draws a line returned from MakeLine function
        @param		$w - with of the cell
        			$h - height of the cell
        			$aTxt - array from MakeLine
        			$align - text align
        @return     nothing
	*/
	function PrintLine($w, $h, $aTxt, $align='J'){

if($w==0)
			$w=$this->w-$this->rMargin - $this->x;

$wmax = $w; //Maximum width

$total_width = 0;	//the total width of all strings
		$total_spaces = 0;	//the total number of spaces

$nr = count($aTxt);//number of elements

for ($i=0; $i<$nr; $i++){
            $total_width += ($aTxt[$i]['width']/1000);
            $total_spaces += $aTxt[$i]['spaces'];
		}

//default
		$w_first = $this->cMargin;

switch($align){
			case 'J':
				if ($total_spaces > 0)
					$extra_space = ($wmax - 2 * $this->cMargin - $total_width) / $total_spaces;
				else $extra_space = 0;
				break;
			case 'L':
				break;
			case 'C':
            	$w_first = ($wmax - $total_width) / 2;
				break;
			case 'R':
				$w_first = $wmax - $total_width - $this->cMargin;;
				break;
		}

// Output the first Cell
		if ($w_first != 0){
			$this->Cell($w_first, $h, "", 0, 0, "L", 0);
		}

$last_width = $wmax - $w_first;

while (list($key, $val) = each($aTxt)) {
            
            $bYPosUsed = false;
                       
			//apply current tag style
			$this->ApplyStyle($val['tag']);

//If > 0 then we will move the current X Position
			$extra_X = 0;
            
            if ($val['ypos'] != 0){
                $lastY = $this->y;
                $this->y = $lastY - $val['ypos'];
                $bYPosUsed = true;
            }

//string width
			$width = $this->GetStringWidth($val['text']);
			$width = $val['width'] / 1000;

if ($width == 0) continue;// No width jump over!!!

if($align=='J'){
				if ($val['spaces'] < 1) $temp_X = 0;
				else $temp_X = $extra_space;

$this->ws = $temp_X;

$this->_out(sprintf('%.3f Tw', $temp_X * $this->k));

$extra_X = $extra_space * $val['spaces'];//increase the extra_X Space

}else{
				$this->ws = 0;
				$this->_out('0 Tw');
			}//fi

//Output the Text/Links
			$this->Cell($width, $h, $val['text'], 0, 0, "C", 0, $val['href']);

$last_width -= $width;//last column width

if ($extra_X != 0){
				$this -> SetX($this->GetX() + $extra_X);
				$last_width -= $extra_X;
			}//fi
            
            if ($bYPosUsed) $this->y = $lastY;
            
		}//while

// Output the Last Cell
		if ($last_width != 0){
			$this->Cell($last_width, $h, "", 0, 0, "", 0);
		}//fi
	}//function PrintLine(
}//class

${this.title}

Code Editor : class.multicelltag.php