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pdf_schema.php
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<?php
/* $Id$ */
// vim: expandtab sw=4 ts=4 sts=4:
/**
* Contributed by Maxime Delorme and merged by lem9
*/
/**
* Gets some core scripts
*/
require_once('./libraries/grab_globals.lib.php');
require_once('./libraries/common.lib.php');
/**
* Settings for relation stuff
*/
require_once('./libraries/relation.lib.php');
require_once('./libraries/transformations.lib.php');
$cfgRelation = PMA_getRelationsParam();
/**
* Now in ./libraries/relation.lib.php we check for all tables
* that we need, but if we don't find them we are quiet about it
* so people can work without.
* This page is absolutely useless if you didn't set up your tables
* correctly, so it is a good place to see which tables we can and
* complain ;-)
*/
if (!$cfgRelation['pdfwork']) {
echo '<font color="red">' . $strError . '</font><br />' . "\n";
$url_to_goto = '<a href="' . $cfg['PmaAbsoluteUri'] . 'chk_rel.php?' . $url_query . '">';
echo sprintf($strRelationNotWorking, $url_to_goto, '</a>') . "\n";
}
/**
* Gets the "fpdf" libraries and defines the pdf font path, use unicode version for unicode.
*/
define('FPDF_FONTPATH','./libraries/fpdf/font/');
if ($charset == 'utf-8') {
define('PMA_PDF_FONT', 'FreeSans');
require_once('./libraries/fpdf/ufpdf.php');
class PMA_FPDF extends UFPDF {
};
} else {
define('PMA_PDF_FONT', 'Arial');
require_once('./libraries/fpdf/fpdf.php');
class PMA_FPDF extends FPDF {
};
}
/**
* Extends the "FPDF" class and prepares the work
*
* @access public
*
* @see FPDF
*/
class PMA_PDF extends PMA_FPDF
{
/**
* Defines private properties
*/
var $x_min;
var $y_min;
var $l_marg = 10;
var $t_marg = 10;
var $scale;
var $title;
var $PMA_links;
var $Outlines=array();
var $def_outlines;
var $Alias ;
var $widths;
/**
* The PMA_PDF constructor
*
* This function just refers to the "FPDF" constructor: with PHP3 a class
* must have a constructor
*
* @param string The page orientation (p, portrait, l or landscape)
* @param string The unit for sizes (pt, mm, cm or in)
* @param mixed The page format (A3, A4, A5, letter, legal or an array
* with page sizes)
*
* @access public
*
* @see FPDF::FPDF()
*/
function PMA_PDF($orientation = 'L', $unit = 'mm', $format = 'A4')
{
$this->Alias = array() ;
$this->FPDF($orientation, $unit, $format);
} // end of the "PMA_PDF()" method
function SetAlias($name, $value)
{
$this->Alias[$name] = $value ;
}
function _putpages()
{
if (count($this->Alias) > 0)
{
$nb=$this->page;
foreach ($this->Alias AS $alias => $value) {
for ($n=1;$n<=$nb;$n++)
$this->pages[$n]=$this->_strreplace($alias,$value,$this->pages[$n]);
}
}
parent::_putpages();
}
/**
* Sets the scaling factor, defines minimum coordinates and margins
*
* @param double The scaling factor
* @param double The minimum X coordinate
* @param double The minimum Y coordinate
* @param double The left margin
* @param double The top margin
*
* @access public
*/
function PMA_PDF_setScale($scale = 1, $x_min = 0, $y_min = 0, $l_marg = -1, $t_marg = -1)
{
$this->scale = $scale;
$this->x_min = $x_min;
$this->y_min = $y_min;
if ($this->l_marg != -1) {
$this->l_marg = $l_marg;
}
if ($this->t_marg != -1) {
$this->t_marg = $t_marg;
}
} // end of the "PMA_PDF_setScale" function
/**
* Outputs a scaled cell
*
* @param double The cell width
* @param double The cell height
* @param string The text to output
* @param mixed Wether to add borders or not
* @param integer Where to put the cursor once the output is done
* @param string Align mode
* @param integer Whether to fill the cell with a color or not
*
* @access public
*
* @see FPDF::Cell()
*/
function PMA_PDF_cellScale($w, $h = 0, $txt = '', $border = 0, $ln = 0, $align = '', $fill = 0,$link ='')
{
$h = $h / $this->scale;
$w = $w / $this->scale;
$this->Cell($w, $h, $txt, $border, $ln, $align, $fill,$link);
} // end of the "PMA_PDF_cellScale" function
/**
* Draws a scaled line
*
* @param double The horizontal position of the starting point
* @param double The vertical position of the starting point
* @param double The horizontal position of the ending point
* @param double The vertical position of the ending point
*
* @access public
*
* @see FPDF::Line()
*/
function PMA_PDF_lineScale($x1, $y1, $x2, $y2)
{
$x1 = ($x1 - $this->x_min) / $this->scale + $this->l_marg;
$y1 = ($y1 - $this->y_min) / $this->scale + $this->t_marg;
$x2 = ($x2 - $this->x_min) / $this->scale + $this->l_marg;
$y2 = ($y2 - $this->y_min) / $this->scale + $this->t_marg;
$this->Line($x1, $y1, $x2, $y2);
} // end of the "PMA_PDF_lineScale" function
/**
* Sets x and y scaled positions
*
* @param double The x position
* @param double The y position
*
* @access public
*
* @see FPDF::SetXY()
*/
function PMA_PDF_setXyScale($x, $y)
{
$x = ($x - $this->x_min) / $this->scale + $this->l_marg;
$y = ($y - $this->y_min) / $this->scale + $this->t_marg;
$this->SetXY($x, $y);
} // end of the "PMA_PDF_setXyScale" function
/**
* Sets the X scaled positions
*
* @param double The x position
*
* @access public
*
* @see FPDF::SetX()
*/
function PMA_PDF_setXScale($x)
{
$x = ($x - $this->x_min) / $this->scale + $this->l_marg;
$this->SetX($x);
} // end of the "PMA_PDF_setXScale" function
/**
* Sets the scaled font size
*
* @param double The font size (in points)
*
* @access public
*
* @see FPDF::SetFontSize()
*/
function PMA_PDF_setFontSizeScale($size)
{
// Set font size in points
$size = $size / $this->scale;
$this->SetFontSize($size);
} // end of the "PMA_PDF_setFontSizeScale" function
/**
* Sets the scaled line width
*
* @param double The line width
*
* @access public
*
* @see FPDF::SetLineWidth()
*/
function PMA_PDF_setLineWidthScale($width)
{
$width = $width / $this->scale;
$this->SetLineWidth($width);
} // end of the "PMA_PDF_setLineWidthScale" function
/**
* Displays an error message
*
* @param string the error mesage
*
* @global array the PMA configuration array
* @global integer the current server id
* @global string the current language
* @global string the charset to convert to
* @global string the current database name
* @global string the current charset
* @global string the current text direction
* @global string a localized string
* @global string an other localized string
*
* @access public
*/
function PMA_PDF_die($error_message = '')
{
global $cfg;
global $server, $lang, $convcharset, $db;
global $charset, $text_dir, $strRunning, $strDatabase;
require_once('./header.inc.php');
echo '<p><b>PDF - '. $GLOBALS['strError'] . '</b></p>' . "\n";
if (!empty($error_message)) {
$error_message = htmlspecialchars($error_message);
}
echo '<p>' . "\n";
echo ' ' . $error_message . "\n";
echo '</p>' . "\n";
echo '<a href="db_details_structure.php?' . PMA_generate_common_url($db)
. '">' . $GLOBALS['strBack'] . '</a>';
echo "\n";
require_once('./footer.inc.php');
} // end of the "PMA_PDF_die()" function
/**
* Aliases the "Error()" function from the FPDF class to the
* "PMA_PDF_die()" one
*
* @param string the error mesage
*
* @access public
*
* @see PMA_PDF_die()
*/
function Error($error_message = '')
{
$this->PMA_PDF_die($error_message);
} // end of the "Error()" method
function Header(){
//$datefmt
// We only show this if we find something in the new pdf_pages table
//
// This function must be named "Header" to work with the FPDF library
global $cfgRelation,$db,$pdf_page_number,$with_doc;
if ($with_doc){
$test_query = 'SELECT * FROM ' . PMA_backquote($cfgRelation['pdf_pages'])
. ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
. ' AND page_nr = \'' . $pdf_page_number . '\'';
$test_rs = PMA_query_as_cu($test_query);
$pages = @PMA_DBI_fetch_assoc($test_rs);
$this->SetFont('', 'B', 14);
$this->Cell(0,6, ucfirst($pages['page_descr']),'B',1,'C');
$this->SetFont('', '');
$this->Ln();
}
}
function Footer(){
// This function must be named "Footer" to work with the FPDF library
global $with_doc;
if ($with_doc){
$this->SetY(-15);
$this->SetFont('', '',14);
$this->Cell(0,6, $GLOBALS['strPageNumber'] .' '.$this->PageNo() .'/{nb}','T',0,'C');
$this->Cell(0,6, PMA_localisedDate(),0,1,'R');
$this->SetY(20);
}
}
function Bookmark($txt,$level=0,$y=0)
{
//Add a bookmark
$this->Outlines[0][]=$level;
$this->Outlines[1][]=$txt;
$this->Outlines[2][]=$this->page;
if ($y==-1)
$y=$this->GetY();
$this->Outlines[3][]=round($this->hPt-$y*$this->k,2);
}
function _putbookmarks()
{
if (count($this->Outlines)>0)
{
//Save object number
$memo_n = $this->n;
//Take the number of sub elements for an outline
$nb_outlines=sizeof($this->Outlines[0]);
$first_level=array();
$parent=array();
$parent[0]=1;
for ($i=0; $i<$nb_outlines; $i++)
{
$level=$this->Outlines[0][$i];
$kids=0;
$last=-1;
$prev=-1;
$next=-1;
if ($i>0 )
{
$cursor=$i-1;
//Take the previous outline in the same level
while ($this->Outlines[0][$cursor] > $level && $cursor > 0)
$cursor--;
if ($this->Outlines[0][$cursor] == $level)
$prev=$cursor;
}
if ($i<$nb_outlines-1)
{
$cursor=$i+1;
while (isset($this->Outlines[0][$cursor]) && $this->Outlines[0][$cursor] > $level)
{
//Take the immediate kid in level + 1
if ($this->Outlines[0][$cursor] == $level+1)
{
$kids++;
$last=$cursor;
}
$cursor++;
}
$cursor=$i+1;
//Take the next outline in the same level
while ($this->Outlines[0][$cursor] > $level && ($cursor+1 < sizeof($this->Outlines[0])))
$cursor++;
if ($this->Outlines[0][$cursor] == $level)
$next=$cursor;
}
$this->_newobj();
$parent[$level+1]=$this->n;
if ($level == 0)
$first_level[]=$this->n;
$this->_out('<<');
$this->_out('/Title ('.$this->Outlines[1][$i].')');
$this->_out('/Parent '.$parent[$level].' 0 R');
if ($prev != -1)
$this->_out('/Prev '.($memo_n+$prev+1).' 0 R');
if ($next != -1)
$this->_out('/Next '.($this->n+$next-$i).' 0 R');
$this->_out('/Dest ['.(1+(2*$this->Outlines[2][$i])).' 0 R /XYZ null '.$this->Outlines[3][$i].' null]');
if ($kids > 0)
{
$this->_out('/First '.($this->n+1).' 0 R');
$this->_out('/Last '.($this->n+$last-$i).' 0 R');
$this->_out('/Count -'.$kids);
}
$this->_out('>>');
$this->_out('endobj');
}
//First page of outlines
$this->_newobj();
$this->def_outlines = $this->n;
$this->_out('<<');
$this->_out('/Type');
$this->_out('/Outlines');
$this->_out('/First '.$first_level[0].' 0 R');
$this->_out('/Last '.$first_level[sizeof($first_level)-1].' 0 R');
$this->_out('/Count '.sizeof($first_level));
$this->_out('>>');
$this->_out('endobj');
}
}
function _putresources()
{
parent::_putresources();
$this->_putbookmarks();
}
function _putcatalog()
{
parent::_putcatalog();
if (count($this->Outlines)>0)
{
$this->_out('/Outlines '.$this->def_outlines.' 0 R');
$this->_out('/PageMode /UseOutlines');
}
}
function SetWidths($w)
{
// column widths
$this->widths=$w;
}
function Row($data,$links)
{
// line height
$nb=0;
$data_cnt = count($data);
for ($i=0;$i<$data_cnt;$i++)
$nb=max($nb,$this->NbLines($this->widths[$i],$data[$i]));
$il = $this->FontSize;
$h=($il+1)*$nb;
// page break if necessary
$this->CheckPageBreak($h);
// draw the cells
$data_cnt = count($data);
for ($i=0;$i<$data_cnt;$i++)
{
$w=$this->widths[$i];
// save current position
$x=$this->GetX();
$y=$this->GetY();
// draw the border
$this->Rect($x,$y,$w,$h);
if (isset($links[$i]))
$this->Link($x,$y,$w,$h,$links[$i]);
// print text
$this->MultiCell($w,$il+1,$data[$i],0,'L');
// go to right side
$this->SetXY($x+$w,$y);
}
// go to line
$this->Ln($h);
}
function CheckPageBreak($h)
{
// if height h overflows, manual page break
if ($this->GetY()+$h>$this->PageBreakTrigger)
$this->AddPage($this->CurOrientation);
}
function NbLines($w,$txt)
{
// compute number of lines used by a multicell of width w
$cw=&$this->CurrentFont['cw'];
if ($w==0)
$w=$this->w-$this->rMargin-$this->x;
$wmax=($w-2*$this->cMargin)*1000/$this->FontSize;
$s=str_replace("\r",'',$txt);
$nb=strlen($s);
if ($nb>0 and $s[$nb-1]=="\n")
$nb--;
$sep=-1;
$i=0;
$j=0;
$l=0;
$nl=1;
while ($i<$nb)
{
$c=$s[$i];
if ($c=="\n")
{
$i++;
$sep=-1;
$j=$i;
$l=0;
$nl++;
continue;
}
if ($c==' ')
$sep=$i;
$l+=isset($cw[ord($c)])?$cw[ord($c)]:0 ;
if ($l>$wmax)
{
if ($sep==-1)
{
if ($i==$j)
$i++;
}
else
$i=$sep+1;
$sep=-1;
$j=$i;
$l=0;
$nl++;
}
else
$i++;
}
return $nl;
}
} // end of the "PMA_PDF" class
/**
* Draws tables schema
*
* @access private
*
* @see PMA_RT
*/
class PMA_RT_Table
{
/**
* Defines private properties
*/
var $nb_fiels;
var $table_name;
var $width = 0;
var $height;
var $fields = array();
var $height_cell = 6;
var $x, $y;
var $primary = array();
/**
* Sets the width of the table
*
* @param integer The font size
*
* @global object The current PDF document
*
* @access private
*
* @see PMA_PDF
*/
function PMA_RT_Table_setWidth($ff)
{
// this looks buggy to me... does it really work if
// there are fields that require wider cells than the name of the table?
global $pdf;
foreach ($this->fields AS $field) {
$this->width = max($this->width, $pdf->GetStringWidth($field));
}
$this->width += $pdf->GetStringWidth(' ');
$pdf->SetFont($ff, 'B');
$this->width = max($this->width, $pdf->GetStringWidth(' ' . $this->table_name));
$pdf->SetFont($ff, '');
} // end of the "PMA_RT_Table_setWidth()" method
/**
* Sets the height of the table
*
* @access private
*/
function PMA_RT_Table_setHeight()
{
$this->height = (count($this->fields) + 1) * $this->height_cell;
} // end of the "PMA_RT_Table_setHeight()" method
/**
* Do draw the table
*
* @param boolean Whether to display table position or not
* @param integer The font size
* @param boolean Whether to display color
* @param integer The max. with among tables
*
* @global object The current PDF document
*
* @access private
*
* @see PMA_PDF
*/
function PMA_RT_Table_draw($show_info, $ff, $setcolor=0)
{
global $pdf, $with_doc;
$pdf->PMA_PDF_setXyScale($this->x, $this->y);
$pdf->SetFont($ff, 'B');
if ($setcolor) {
$pdf->SetTextColor(200);
$pdf->SetFillColor(0, 0, 128);
}
if ($with_doc) $pdf->SetLink($pdf->PMA_links['RT'][$this->table_name]['-'],-1);
else $pdf->PMA_links['doc'][$this->table_name]['-'] = '';
if ($show_info){
$pdf->PMA_PDF_cellScale($this->width, $this->height_cell, sprintf('%.0f', $this->width) . 'x' . sprintf('%.0f', $this->height) . ' ' . $this->table_name, 1, 1, 'C', $setcolor, $pdf->PMA_links['doc'][$this->table_name]['-']);
} else {
$pdf->PMA_PDF_cellScale($this->width, $this->height_cell, $this->table_name, 1, 1, 'C', $setcolor, $pdf->PMA_links['doc'][$this->table_name]['-']);
}
$pdf->PMA_PDF_setXScale($this->x);
$pdf->SetFont($ff, '');
$pdf->SetTextColor(0);
$pdf->SetFillColor(255);
foreach ($this->fields AS $field) {
// loic1 : PHP3 fix
// if (in_array($field, $this->primary)) {
if ($setcolor) {
if (PMA_isInto($field, $this->primary) != -1) {
$pdf->SetFillColor(215, 121, 123);
}
if ($field == $this->displayfield) {
$pdf->SetFillColor(142, 159, 224);
}
}
if ($with_doc) $pdf->SetLink($pdf->PMA_links['RT'][$this->table_name][$field],-1);
else $pdf->PMA_links['doc'][$this->table_name][$field] = '';
$pdf->PMA_PDF_cellScale($this->width, $this->height_cell, ' ' . $field, 1, 1, 'L', $setcolor,$pdf->PMA_links['doc'][$this->table_name][$field]);
$pdf->PMA_PDF_setXScale($this->x);
$pdf->SetFillColor(255);
} // end while
/*if ($pdf->PageNo() > 1) {
$pdf->PMA_PDF_die($GLOBALS['strScaleFactorSmall']);
} */
} // end of the "PMA_RT_Table_draw()" method
/**
* The "PMA_RT_Table" constructor
*
* @param string The table name
* @param integer The font size
* @param integer The max. with among tables
*
* @global object The current PDF document
* @global integer The current page number (from the
* $cfg['Servers'][$i]['table_coords'] table)
* @global array The relations settings
* @global string The current db name
*
* @access private
*
* @see PMA_PDF, PMA_RT_Table::PMA_RT_Table_setWidth,
* PMA_RT_Table::PMA_RT_Table_setHeight
*/
function PMA_RT_Table($table_name, $ff, &$same_wide_width)
{
global $pdf, $pdf_page_number, $cfgRelation, $db;
$this->table_name = $table_name;
$sql = 'DESCRIBE ' . PMA_backquote($table_name);
$result = PMA_DBI_try_query($sql, NULL, PMA_DBI_QUERY_STORE);
if (!$result || !PMA_DBI_num_rows($result)) {
$pdf->PMA_PDF_die(sprintf($GLOBALS['strPdfInvalidTblName'], $table_name));
}
// load fields
while ($row = PMA_DBI_fetch_row($result)) {
$this->fields[] = $row[0];
}
//height and width
$this->PMA_RT_Table_setWidth($ff);
$this->PMA_RT_Table_setHeight();
if ($same_wide_width < $this->width) {
$same_wide_width = $this->width;
}
//x and y
$sql = 'SELECT x, y FROM '
. PMA_backquote($cfgRelation['table_coords'])
. ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
. ' AND table_name = \'' . PMA_sqlAddslashes($table_name) . '\''
. ' AND pdf_page_number = ' . $pdf_page_number;
$result = PMA_query_as_cu($sql, FALSE, PMA_DBI_QUERY_STORE);
if (!$result || !PMA_DBI_num_rows($result)) {
$pdf->PMA_PDF_die(sprintf($GLOBALS['strConfigureTableCoord'], $table_name));
}
list($this->x, $this->y) = PMA_DBI_fetch_row($result);
$this->x = (double) $this->x;
$this->y = (double) $this->y;
// displayfield
$this->displayfield = PMA_getDisplayField($db, $table_name);
// index
$result = PMA_DBI_query('SHOW INDEX FROM ' . PMA_backquote($table_name) . ';', NULL, PMA_DBI_QUERY_STORE);
if (PMA_DBI_num_rows($result) > 0) {
while ($row = PMA_DBI_fetch_assoc($result)) {
if ($row['Key_name'] == 'PRIMARY') {
$this->primary[] = $row['Column_name'];
}
}
} // end if
} // end of the "PMA_RT_Table()" method
} // end class "PMA_RT_Table"
/**
* Draws relation links
*
* @access private
*
* @see PMA_RT
*/
class PMA_RT_Relation
{
/**
* Defines private properties
*/
var $x_src, $y_src;
var $src_dir ;
var $dest_dir;
var $x_dest, $y_dest;
var $w_tick = 5;
/**
* Gets arrows coordinates
*
* @param string The current table name
* @param string The relation column name
*
* @return array Arrows coordinates
*
* @access private
*/
function PMA_RT_Relation_getXy($table, $column)
{
$pos = array_search($column, $table->fields);
// x_left, x_right, y
return array($table->x, $table->x + + $table->width, $table->y + ($pos + 1.5) * $table->height_cell);
} // end of the "PMA_RT_Relation_getXy()" method
/**
* Do draws relation links
*
* @param boolean Whether to use one color per relation or not
* @param integer The id of the link to draw
*
* @global object The current PDF document
*
* @access private
*
* @see PMA_PDF
*/
function PMA_RT_Relation_draw($change_color, $i)
{
global $pdf;
if ($change_color){
$d = $i % 6;
$j = ($i - $d) / 6;
$j = $j % 4;
$j++;
$case = array(
array(1, 0, 0),
array(0, 1, 0),
array(0, 0, 1),
array(1, 1, 0),
array(1, 0, 1),
array(0, 1, 1)
);
list ($a, $b, $c) = $case[$d];
$e = (1 - ($j - 1) / 6);
$pdf->SetDrawColor($a * 255 * $e, $b * 255 * $e, $c * 255 * $e); }
else {
$pdf->SetDrawColor(0);
} // end if... else...
$pdf->PMA_PDF_setLineWidthScale(0.2);
$pdf->PMA_PDF_lineScale($this->x_src, $this->y_src, $this->x_src + $this->src_dir * $this->w_tick, $this->y_src);
$pdf->PMA_PDF_lineScale($this->x_dest + $this->dest_dir * $this->w_tick, $this->y_dest, $this->x_dest, $this->y_dest);
$pdf->PMA_PDF_setLineWidthScale(0.1);
$pdf->PMA_PDF_lineScale($this->x_src + $this->src_dir * $this->w_tick, $this->y_src, $this->x_dest + $this->dest_dir * $this->w_tick, $this->y_dest);
//arrow
$root2 = 2 * sqrt(2);
$pdf->PMA_PDF_lineScale($this->x_src + $this->src_dir * $this->w_tick * 0.75, $this->y_src, $this->x_src + $this->src_dir * (0.75 - 1 / $root2) * $this->w_tick, $this->y_src + $this->w_tick / $root2);
$pdf->PMA_PDF_lineScale($this->x_src + $this->src_dir * $this->w_tick * 0.75, $this->y_src, $this->x_src + $this->src_dir * (0.75 - 1 / $root2) * $this->w_tick, $this->y_src - $this->w_tick / $root2);
$pdf->PMA_PDF_lineScale($this->x_dest + $this->dest_dir * $this->w_tick / 2, $this->y_dest, $this->x_dest + $this->dest_dir * (0.5 + 1 / $root2) * $this->w_tick, $this->y_dest + $this->w_tick / $root2);
$pdf->PMA_PDF_lineScale($this->x_dest + $this->dest_dir * $this->w_tick / 2, $this->y_dest, $this->x_dest + $this->dest_dir * (0.5 + 1 / $root2) * $this->w_tick, $this->y_dest - $this->w_tick / $root2);
$pdf->SetDrawColor(0);
} // end of the "PMA_RT_Relation_draw()" method
/**
* The "PMA_RT_Relation" constructor
*
* @param string The master table name
* @param string The relation field in the master table
* @param string The foreign table name
* @param string The relation field in the foreign table
*
*
* @access private
*
* @see PMA_RT_Relation::PMA_RT_Relation_getXy
*/
function PMA_RT_Relation($master_table, $master_field, $foreign_table, $foreign_field)
{
$src_pos = $this->PMA_RT_Relation_getXy($master_table , $master_field);
$dest_pos = $this->PMA_RT_Relation_getXy($foreign_table, $foreign_field);
$src_left = $src_pos[0] - $this->w_tick;
$src_right = $src_pos[1] + $this->w_tick;
$dest_left = $dest_pos[0] - $this->w_tick;
$dest_right = $dest_pos[1] + $this->w_tick;
$d1 = abs($src_left - $dest_left);
$d2 = abs($src_right - $dest_left);
$d3 = abs($src_left - $dest_right);
$d4 = abs($src_right - $dest_right);
$d = min($d1, $d2, $d3, $d4);
if ($d == $d1) {
$this->x_src = $src_pos[0];
$this->src_dir = -1;
$this->x_dest = $dest_pos[0];
$this->dest_dir = -1;
} else if ($d == $d2) {
$this->x_src = $src_pos[1];
$this->src_dir = 1;
$this->x_dest = $dest_pos[0];
$this->dest_dir = -1;
} else if ($d == $d3) {
$this->x_src = $src_pos[0];
$this->src_dir = -1;
$this->x_dest = $dest_pos[1];
$this->dest_dir = 1;
} else {
$this->x_src = $src_pos[1];
$this->src_dir = 1;
$this->x_dest = $dest_pos[1];
$this->dest_dir = 1;
}
$this->y_src = $src_pos[2];
$this->y_dest = $dest_pos[2];
} // end of the "PMA_RT_Relation()" method
} // end of the "PMA_RT_Relation" class
/**
* Draws and send the database schema
*
* @access public
*
* @see PMA_PDF
*/
class PMA_RT
{
/**
* Defines private properties
*/
var $tables = array();
var $relations = array();
var $ff = PMA_PDF_FONT;
var $x_max = 0;
var $y_max = 0;
var $scale;
var $x_min = 100000;
var $y_min = 100000;
var $t_marg = 10;
var $b_marg = 10;
var $l_marg = 10;
var $r_marg = 10;
var $tablewidth;
var $same_wide = 0;
/**
* Sets X and Y minimum and maximum for a table cell
*
* @param string The table name
*
* @access private
*/
function PMA_RT_setMinMax($table)
{
$this->x_max = max($this->x_max, $table->x + $table->width);
$this->y_max = max($this->y_max, $table->y + $table->height);
$this->x_min = min($this->x_min, $table->x);
$this->y_min = min($this->y_min, $table->y);
} // end of the "PMA_RT_setMinMax()" method
/**
* Defines relation objects
*
* @param string The master table name
* @param string The relation field in the master table
* @param string The foreign table name
* @param string The relation field in the foreign table
*
* @access private
*
* @see PMA_RT_setMinMax()
*/
function PMA_RT_addRelation($master_table , $master_field, $foreign_table, $foreign_field)
{
if (!isset($this->tables[$master_table])) {
$this->tables[$master_table] = new PMA_RT_Table($master_table, $this->ff, $this->tablewidth);
$this->PMA_RT_setMinMax($this->tables[$master_table]);
}
if (!isset($this->tables[$foreign_table])) {
$this->tables[$foreign_table] = new PMA_RT_Table($foreign_table, $this->ff, $this->tablewidth);
$this->PMA_RT_setMinMax($this->tables[$foreign_table]);
}
$this->relations[] = new PMA_RT_Relation($this->tables[$master_table], $master_field, $this->tables[$foreign_table], $foreign_field);
} // end of the "PMA_RT_addRelation()" method
/**
* Draws the grid
*
* @global object the current PMA_PDF instance
*
* @access private
*
* @see PMA_PDF
*/
function PMA_RT_strokeGrid()
{
global $pdf;
$pdf->SetMargins(0, 0);
$pdf->SetDrawColor(200, 200, 200);
// Draws horizontal lines
for ($l = 0; $l < 21; $l++) {
$pdf->line(0, $l * 10, $pdf->fh, $l * 10);
// Avoid duplicates
if ($l > 0) {
$pdf->SetXY(0, $l * 10);
$label = (string) sprintf('%.0f', ($l * 10 - $this->t_marg) * $this->scale + $this->y_min);
$pdf->Cell(5, 5, ' ' . $label);
} // end if
} // end for
// Draws vertical lines
for ($j = 0; $j < 30 ;$j++) {
$pdf->line($j * 10, 0, $j * 10, $pdf->fw);
$pdf->SetXY($j * 10, 0);
$label = (string) sprintf('%.0f', ($j * 10 - $this->l_marg) * $this->scale + $this->x_min);
$pdf->Cell(5, 7, $label);
} // end for
} // end of the "PMA_RT_strokeGrid()" method
/**
* Draws relation arrows
*
* @param boolean Whether to use one color per relation or not
*
* @access private
*