pdf_schema.php3

   1 <?php
   2 /* $Id$ */
   3
   4 /**
   5  * Contributed by Maxime Delorme and merged by lem9
   6  */
   7
   8
   9 /**
  10  * Gets some core scripts
  11  */
  12 require('./libraries/grab_globals.lib.php3');
  13 require('./libraries/common.lib.php3');
  14
  15
  16 /**
  17  * Settings for relation stuff
  18  */
  19 require('./libraries/relation.lib.php3');
  20 $cfgRelation = PMA_getRelationsParam();
  21
  22
  23 /**
  24  * Now in ./libraries/relation.lib.php3 we check for all tables
  25  * that we need, but if we don't find them we are quiet about it
  26  * so people can work without.
  27  * This page is absolutely useless if you didn't set up your tables
  28  * correctly, so it is a good place to see which tables we can and
  29  * complain ;-)
  30  */
  31 if (!$cfgRelation['allworks']) {
  32     echo '<font color="red">' . $strError . '</font><br />' . "\n";
  33     $url_to_goto = '<a href="' . $cfg['PmaAbsoluteUri'] . 'chk_rel.php3?' . $url_query . '">';
  34     echo sprintf($strRelationNotWorking, $url_to_goto, '</a>') . "\n";
  35 }
  36
  37
  38 /**
  39  * Gets the "fpdf" libraries and defines the pdf font path
  40  */
  41 require('./libraries/fpdf/fpdf.php3');
  42 // loic1: PHP3 compatibility
  43 // define('FPDF_FONTPATH', './libraries/fpdf/font/');
  44 $FPDF_font_path = './libraries/fpdf/font/';
  45
  46
  47 /**
  48  * Emulates the "array_search" function with PHP < 4.0.5
  49  */
  50 if (PMA_PHP_INT_VERSION < 40005) {
  51     function array_search($needle, $haystack) {
  52         $match         = FALSE;
  53
  54         reset($haystack);
  55         while (list($key, $value) = each($haystack)) {
  56             if ($value == $needle) {
  57                 $match = $key;
  58             }
  59         } // end while
  60
  61         return $match;
  62     } // end of the "array_search" function
  63 } // end if
  64
  65
  66
  67 /**
  68  * Extends the "FPDF" class and prepares the work
  69  *
  70  * @access  public
  71  *
  72  * @see     FPDF
  73  */
  74 class PMA_PDF extends FPDF
  75 {
  76     /**
  77      * Defines private properties
  78      */
  79     var $x_min;
  80     var $y_min;
  81     var $l_marg = 10;
  82     var $t_marg = 10;
  83     var $scale;
  84     var $title;
  85
  86
  87     /**
  88      * The PMA_PDF constructor
  89      *
  90      * This function just refers to the "FPDF" constructor: with PHP3 a class
  91      * must have a constructor
  92      *
  93      * @param  string  The page orientation (p, portrait, l or landscape)
  94      * @param  string  The unit for sizes (pt, mm, cm or in)
  95      * @param  mixed   The page format (A3, A4, A5, letter, legal or an array
  96      *                 with page sizes)
  97      *
  98      * @access public
  99      *
 100      * @see     FPDF::FPDF()
 101      */
 102     function PMA_PDF($orientation = 'P', $unit = 'mm', $format = 'A4')
 103     {
 104         $this->FPDF($orientation, $unit, $format);
 105     } // end of the "PMA_PDF()" method
 106
 107
 108     /**
 109      * Sets the scalling factor, defines minimum coordinates and margins
 110      *
 111      * @param  double  The scalling factor
 112      * @param  double  The minimum X coordinate
 113      * @param  double  The minimum Y coordinate
 114      * @param  double  The left margin
 115      * @param  double  The top margin
 116      *
 117      * @access public
 118      */
 119     function PMA_PDF_setScale($scale = 1, $x_min = 0, $y_min = 0, $l_marg = -1, $t_marg = -1)
 120     {
 121         $this->scale      = $scale;
 122         $this->x_min      = $x_min;
 123         $this->y_min      = $y_min;
 124         if ($this->l_marg != -1) {
 125             $this->l_marg = $l_marg;
 126         }
 127         if ($this->t_marg != -1) {
 128             $this->t_marg = $t_marg;
 129         }
 130     } // end of the "PMA_PDF_setScale" function
 131
 132
 133     /**
 134      * Outputs a scalled cell
 135      *
 136      * @param   double   The cell width
 137      * @param   double   The cell height
 138      * @param   string   The text to output
 139      * @param   mixed    Wether to add borders or not
 140      * @param   integer  Where to put the cursor once the output is done
 141      * @param   string   Align mode
 142      * @param   integer  Whether to fill the cell with a color or not
 143      *
 144      * @access public
 145      *
 146      * @see     FPDF::Cell()
 147      */
 148     function PMA_PDF_cellScale($w, $h = 0, $txt = '', $border = 0, $ln = 0, $align = '', $fill = 0)
 149     {
 150         $h = $h / $this->scale;
 151         $w = $w / $this->scale;
 152         $this->Cell($w, $h, $txt, $border, $ln, $align, $fill);
 153     } // end of the "PMA_PDF_cellScale" function
 154
 155
 156     /**
 157      * Draws a scalled line
 158      *
 159      * @param   double  The horizontal position of the starting point
 160      * @param   double  The vertical position of the starting point
 161      * @param   double  The horizontal position of the ending point
 162      * @param   double  The vertical position of the ending point
 163      *
 164      * @access public
 165      *
 166      * @see     FPDF::Line()
 167      */
 168     function PMA_PDF_lineScale($x1, $y1, $x2, $y2)
 169     {
 170         $x1 = ($x1 - $this->x_min) / $this->scale + $this->l_marg;
 171         $y1 = ($y1 - $this->y_min) / $this->scale + $this->t_marg;
 172         $x2 = ($x2 - $this->x_min) / $this->scale + $this->l_marg;
 173         $y2 = ($y2 - $this->y_min) / $this->scale + $this->t_marg;
 174         $this->Line($x1, $y1, $x2, $y2);
 175     } // end of the "PMA_PDF_lineScale" function
 176
 177
 178     /**
 179      * Sets x and y scalled positions
 180      *
 181      * @param   double  The x position
 182      * @param   double  The y position
 183      *
 184      * @access public
 185      *
 186      * @see     FPDF::SetXY()
 187      */
 188     function PMA_PDF_setXyScale($x, $y)
 189     {
 190         $x = ($x - $this->x_min) / $this->scale + $this->l_marg;
 191         $y = ($y - $this->y_min) / $this->scale + $this->t_marg;
 192         $this->SetXY($x, $y);
 193     } // end of the "PMA_PDF_setXyScale" function
 194
 195
 196     /**
 197      * Sets the X scalled positions
 198      *
 199      * @param   double  The x position
 200      *
 201      * @access public
 202      *
 203      * @see     FPDF::SetX()
 204      */
 205     function PMA_PDF_setXScale($x)
 206     {
 207         $x = ($x - $this->x_min) / $this->scale + $this->l_marg;
 208         $this->SetX($x);
 209     } // end of the "PMA_PDF_setXScale" function
 210
 211
 212     /**
 213      * Sets the scalled font size
 214      *
 215      * @param   double   The font size (in points)
 216      *
 217      * @access public
 218      *
 219      * @see     FPDF::SetFontSize()
 220      */
 221     function PMA_PDF_setFontSizeScale($size)
 222     {
 223         // Set font size in points
 224         $size = $size / $this->scale;
 225         $this->SetFontSize($size);
 226     } // end of the "PMA_PDF_setFontSizeScale" function
 227
 228
 229     /**
 230      * Sets the scalled line width
 231      *
 232      * @param   double  The line width
 233      *
 234      * @access public
 235      *
 236      * @see     FPDF::SetLineWidth()
 237      */
 238     function PMA_PDF_setLineWidthScale($width)
 239     {
 240         $width = $width / $this->scale;
 241         $this->SetLineWidth($width);
 242     } // end of the "PMA_PDF_setLineWidthScale" function
 243
 244
 245     /**
 246      * Displays an error message
 247      *
 248      * @param   string   the error mesage
 249      *
 250      * @global  array    the PMA configuration array
 251      * @global  integer  the current server id
 252      * @global  string   the current language
 253      * @global  string   the charset to convert to
 254      * @global  string   the current database name
 255      * @global  string   the current charset
 256      * @global  string   the current text direction
 257      * @global  string   a localized string
 258      * @global  string   an other localized string
 259      *
 260      * @access  public
 261      */
 262     function PMA_PDF_die($error_message = '')
 263     {
 264         global $cfg;
 265         global $server, $lang, $convcharset, $db;
 266         global $charset, $text_dir, $strRunning, $strDatabase;
 267
 268         include('./header.inc.php3');
 269
 270         echo '<p><b>PDF - '. $GLOBALS['strError'] . '</b></p>' . "\n";
 271         if (!empty($error_message)) {
 272             $error_message = htmlspecialchars($error_message);
 273         }
 274         echo '<p>' . "\n";
 275         echo '    ' . $error_message . "\n";
 276         echo '</p>' . "\n";
 277
 278         echo '<a href="db_details_structure.php3'
 279              . '?lang=' . $lang
 280              . '&amp;convcharset=' . $convcharset
 281              . '&amp;server=' . $server
 282              . '&amp;db=' . urlencode($db)
 283              . '">' . $GLOBALS['strBack'] . '</a>';
 284         echo "\n";
 285
 286         include('./footer.inc.php3');
 287         exit();
 288     } // end of the "PMA_PDF_die()" function
 289
 290
 291     /**
 292      * Aliases the "Error()" function from the FPDF class to the
 293      * "PMA_PDF_die()" one
 294      *
 295      * @param   string   the error mesage
 296      *
 297      * @access  public
 298      *
 299      * @see     PMA_PDF_die()
 300      */
 301     function Error($error_message = '')
 302     {
 303         $this->PMA_PDF_die($error_message);
 304     } // end of the "Error()" method
 305 } // end of the "PMA_PDF" class
 306
 307
 308 /**
 309  * Draws tables schema
 310  *
 311  * @access  private
 312  *
 313  * @see     PMA_RT
 314  */
 315 class PMA_RT_Table
 316 {
 317     /**
 318      * Defines private properties
 319      */
 320     var $nb_fiels;
 321     var $table_name;
 322     var $width = 0;
 323     var $height;
 324     var $fields      = array();
 325     var $height_cell = 6;
 326     var $x, $y;
 327     var $primary     = array();
 328
 329
 330     /**
 331      * Sets the width of the table
 332      *
 333      * @param   integer   The font size
 334      *
 335      * @global  object    The current PDF document
 336      *
 337      * @access  private
 338      *
 339      * @see     PMA_PDF
 340      */
 341     function PMA_RT_Table_setWidth($ff)
 342     {
 343         //  this looks buggy to me... does it really work if
 344         //  there are fields that require wider cells than the name of the table?
 345         global $pdf;
 346
 347         reset($this->fields);
 348         while (list(, $field) = each($this->fields)) {
 349             $this->width = max($this->width, $pdf->GetStringWidth($field));
 350         }
 351         $this->width += $pdf->GetStringWidth('  ');
 352         $pdf->SetFont($ff, 'B');
 353         $this->width = max($this->width, $pdf->GetStringWidth('  ' . $this->table_name));
 354         $pdf->SetFont($ff, '');
 355     } // end of the "PMA_RT_Table_setWidth()" method
 356
 357
 358     /**
 359      * Sets the height of the table
 360      *
 361      * @access  private
 362      */
 363     function PMA_RT_Table_setHeight()
 364     {
 365         $this->height = (count($this->fields) + 1) * $this->height_cell;
 366     } // end of the "PMA_RT_Table_setHeight()" method
 367
 368
 369     /**
 370      * Do draw the table
 371      *
 372      * @param   boolean   Whether to display table position or not
 373      * @param   integer   The font size
 374      * @param   boolean   Whether all tables should have the same width or not
 375      *
 376      * @global  object    The current PDF document
 377      * @global  object    The current relation table object
 378      *
 379      * @access  private
 380      *
 381      * @see     PMA_PDF
 382      */
 383     function PMA_RT_Table_draw($show_info, $ff, $same_wide = 0)
 384     {
 385         global $pdf, $rt;
 386
 387         if (isset($rt->tablewidth) && $rt->tablewidth > 0 && $same_wide == 1){
 388             $this->width = $rt->tablewidth;
 389         }
 390
 391         $pdf->PMA_PDF_setXyScale($this->x, $this->y);
 392         $pdf->SetFont($ff, 'B');
 393         $pdf->SetTextColor(200);
 394         $pdf->SetFillColor(0, 0, 128);
 395         if ($show_info){
 396             $pdf->PMA_PDF_cellScale($this->width, $this->height_cell, $pdf->_FPDF_round($this->width) . 'x' . $pdf->_FPDF_round($this->height) . ' ' . $this->table_name, 1, 1, 'C', 1);
 397         } else {
 398             $pdf->PMA_PDF_cellScale($this->width, $this->height_cell, $this->table_name, 1, 1, 'C', 1);
 399         }
 400         $pdf->PMA_PDF_setXScale($this->x);
 401         $pdf->SetFont($ff, '');
 402         $pdf->SetTextColor(0);
 403         $pdf->SetFillColor(255);
 404
 405         reset($this->fields);
 406         while (list(, $field) = each($this->fields)) {
 407             if (in_array($field, $this->primary)) {
 408                 $pdf->SetFillColor(215, 121, 123);
 409             }
 410             if ($field == $this->displayfield) {
 411                 $pdf->SetFillColor(142, 159, 224);
 412             }
 413             $pdf->PMA_PDF_cellScale($this->width, $this->height_cell, ' ' . $field, 1, 1, 'L', 1);
 414             $pdf->PMA_PDF_setXScale($this->x);
 415             $pdf->SetFillColor(255);
 416         } // end while
 417
 418         if ($pdf->PageNo() > 1) {
 419             $pdf->PMA_PDF_die($GLOBALS['strScaleFactorSmall']);
 420         }
 421     } // end of the "PMA_RT_Table_draw()" method
 422
 423
 424     /**
 425      * The "PMA_RT_Table" constructor
 426      *
 427      * @param   string    The table name
 428      * @param   integer   The font size
 429      *
 430      * @global  object    The current PDF document
 431      * @global  object    The current relation table object
 432      * @global  integer   The current page number (from the
 433      *                    $cfg['Servers'][$i]['table_coords'] table)
 434      * @global  array     The relations settings
 435      * @global  string    The current db name
 436      *
 437      * @access  private
 438      *
 439      * @see     PMA_PDF, PMA_RT_Table::PMA_RT_Table_setWidth,
 440      *          PMA_RT_Table::PMA_RT_Table_setHeight
 441      */
 442     function PMA_RT_Table($table_name, $ff)
 443     {
 444         global $pdf, $rt, $pdf_page_number, $cfgRelation, $db;
 445
 446         $this->table_name = $table_name;
 447         $sql              = 'DESCRIBE ' .  PMA_backquote($table_name);
 448         $result           = PMA_mysql_query($sql);
 449         if (!$result || !mysql_num_rows($result)) {
 450             $pdf->PMA_PDF_die(sprintf($GLOBALS['strPdfInvalidTblName'], $table_name));
 451         }
 452         // load fields
 453         while ($row = PMA_mysql_fetch_array($result)) {
 454             $this->fields[] = $row[0];
 455         }
 456
 457         //height and width
 458         $this->PMA_RT_Table_setWidth($ff);
 459         $this->PMA_RT_Table_setHeight();
 460         if ($rt->tablewidth < $this->width) {
 461             $rt->tablewidth = $this->width;
 462         }
 463
 464         //x and y
 465         $sql    = 'SELECT x, y FROM '
 466                 . PMA_backquote($cfgRelation['table_coords'])
 467                 .   ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
 468                 .   ' AND   table_name = \'' . PMA_sqlAddslashes($table_name) . '\''
 469                 .   ' AND   pdf_page_number = ' . $pdf_page_number;
 470         $result = PMA_query_as_cu($sql);
 471
 472         if (!$result || !mysql_num_rows($result)) {
 473             $pdf->PMA_PDF_die(sprintf($GLOBALS['strConfigureTableCoord'], $table_name));
 474         }
 475         list($this->x, $this->y) = PMA_mysql_fetch_array($result);
 476         $this->x = (double) $this->x;
 477         $this->y = (double) $this->y;
 478
 479         // displayfield
 480         $this->displayfield = PMA_getDisplayField($db, $table_name);
 481
 482         // index
 483         $sql    = 'SHOW index FROM ' . PMA_backquote($table_name);
 484         $result = PMA_mysql_query($sql);
 485         if ($result && mysql_num_rows($result) > 0) {
 486             while ($row = PMA_mysql_fetch_array($result)) {
 487                 if ($row['Key_name'] == 'PRIMARY') {
 488                     $this->primary[] = $row['Column_name'];
 489                 }
 490             }
 491         } // end if
 492     } // end of the "PMA_RT_Table()" method
 493 } // end class "PMA_RT_Table"
 494
 495
 496
 497 /**
 498  * Draws relation links
 499  *
 500  * @access  private
 501  *
 502  * @see     PMA_RT
 503  */
 504 class PMA_RT_Relation
 505 {
 506     /**
 507      * Defines private properties
 508      */
 509     var $x_src, $y_src;
 510     var $src_dir ;
 511     var $dest_dir;
 512     var $x_dest, $y_dest;
 513     var $w_tick = 5;
 514
 515
 516     /**
 517      * Gets arrows coordinates
 518      *
 519      * @param   string    The current table name
 520      * @param   string    The relation column name
 521      *
 522      * @return  array     Arrows coordinates
 523      *
 524      * @access  private
 525      */
 526     function PMA_RT_Relation_getXy($table, $column)
 527     {
 528         $pos = array_search($column, $table->fields);
 529         // x_left, x_right, y
 530         return array($table->x, $table->x + $table->width, $table->y + ($pos + 1.5) * $table->height_cell);
 531     } // end of the "PMA_RT_Relation_getXy()" method
 532
 533
 534     /**
 535      * Do draws relation links
 536      *
 537      * @param   boolean   Whether to use one color per relation or not
 538      * @param   integer   The id of the link to draw
 539      *
 540      * @global  object    The current PDF document
 541      *
 542      * @access  private
 543      *
 544      * @see     PMA_PDF
 545      */
 546     function PMA_RT_Relation_draw($change_color, $i)
 547     {
 548         global $pdf;
 549
 550         if ($change_color){
 551             $d    = $i % 6;
 552             $j    = ($i - $d) / 6;
 553             $j    = $j % 4;
 554             $j++;
 555             $case = array(
 556                         array(1, 0, 0),
 557                         array(0, 1, 0),
 558                         array(0, 0, 1),
 559                         array(1, 1, 0),
 560                         array(1, 0, 1),
 561                         array(0, 1, 1)
 562                     );
 563             list ($a, $b, $c) = $case[$d];
 564             $e    = (1 - ($j - 1) / 6);
 565             $pdf->SetDrawColor($a * 255 * $e, $b * 255 * $e, $c * 255 * $e);       }
 566         else {
 567             $pdf->SetDrawColor(0);
 568         } // end if... else...
 569
 570         $pdf->PMA_PDF_setLineWidthScale(0.2);
 571         $pdf->PMA_PDF_lineScale($this->x_src, $this->y_src, $this->x_src + $this->src_dir * $this->w_tick, $this->y_src);
 572         $pdf->PMA_PDF_lineScale($this->x_dest + $this->dest_dir * $this->w_tick, $this->y_dest, $this->x_dest, $this->y_dest);
 573         $pdf->PMA_PDF_setLineWidthScale(0.1);
 574         $pdf->PMA_PDF_lineScale($this->x_src + $this->src_dir * $this->w_tick, $this->y_src, $this->x_dest + $this->dest_dir * $this->w_tick, $this->y_dest);
 575
 576         //arrow
 577         $root2 = 2 * sqrt(2);
 578         $pdf->PMA_PDF_lineScale($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);
 579         $pdf->PMA_PDF_lineScale($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);
 580
 581         $pdf->PMA_PDF_lineScale($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);
 582         $pdf->PMA_PDF_lineScale($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);
 583         $pdf->SetDrawColor(0);
 584     } // end of the "PMA_RT_Table_draw()" method
 585
 586
 587     /**
 588      * The "PMA_RT_Relation" constructor
 589      *
 590      * @param   string   The master table name
 591      * @param   string   The relation field in the master table
 592      * @param   string   The foreign table name
 593      * @param   string   The relation field in the foreign table
 594      *
 595      *
 596      * @access  private
 597      *
 598      * @see     PMA_RT_Relation::PMA_RT_Relation_getXy
 599      */
 600     function PMA_RT_Relation($master_table, $master_field,  $foreign_table, $foreign_field)
 601     {
 602         $src_pos    = $this->PMA_RT_Relation_getXy($master_table , $master_field);
 603         $dest_pos   = $this->PMA_RT_Relation_getXy($foreign_table, $foreign_field);
 604         $src_left   = $src_pos[0] - $this->w_tick;
 605         $src_right  = $src_pos[1] + $this->w_tick;
 606         $dest_left  = $dest_pos[0] - $this->w_tick;
 607         $dest_right = $dest_pos[1] + $this->w_tick;
 608
 609         $d1 = abs($src_left  - $dest_left);
 610         $d2 = abs($src_right - $dest_left);
 611         $d3 = abs($src_left  - $dest_right);
 612         $d4 = abs($src_right - $dest_right);
 613         $d  = min($d1, $d2, $d3, $d4);
 614
 615         if ($d == $d1) {
 616             $this->x_src    = $src_pos[0];
 617             $this->src_dir  = -1;
 618             $this->x_dest   = $dest_pos[0];
 619             $this->dest_dir = -1;
 620         } else if ($d == $d2) {
 621             $this->x_src    = $src_pos[1];
 622             $this->src_dir  = 1;
 623             $this->x_dest   = $dest_pos[0];
 624             $this->dest_dir = -1;
 625         } else if ($d == $d3) {
 626             $this->x_src    = $src_pos[0];
 627             $this->src_dir  = -1;
 628             $this->x_dest   = $dest_pos[1];
 629             $this->dest_dir = 1;
 630         } else {
 631             $this->x_src    =  $src_pos[1];
 632             $this->src_dir  = 1;
 633             $this->x_dest   = $dest_pos[1];
 634             $this->dest_dir = 1;
 635         }
 636         $this->y_src        = $src_pos[2];
 637         $this->y_dest       = $dest_pos[2];
 638     } // end of the "PMA_RT_Relation()" method
 639 } // end of the "PMA_RT_Relation" class
 640
 641
 642
 643 /**
 644  * Draws and send the database schema
 645  *
 646  * @access  public
 647  *
 648  * @see     PMA_PDF
 649  */
 650 class PMA_RT
 651 {
 652     /**
 653      * Defines private properties
 654      */
 655     var $tables    = array();
 656     var $relations = array();
 657     var $ff        = 'Arial';
 658     var $x_max     = 0;
 659     var $y_max     = 0;
 660     var $scale;
 661     var $x_min     = 100000;
 662     var $y_min     = 100000;
 663     var $t_marg    = 10;
 664     var $b_marg    = 10;
 665     var $l_marg    = 10;
 666     var $r_marg    = 10;
 667     var $tablewidth;
 668     var $same_wide = 0;
 669
 670     /**
 671      * Sets X and Y minimum and maximum for a table cell
 672      *
 673      * @param   string   The table name
 674      *
 675      * @access  private
 676      */
 677     function PMA_RT_setMinMax($table)
 678     {
 679         $this->x_max = max($this->x_max, $table->x + $table->width);
 680         $this->y_max = max($this->y_max, $table->y + $table->height);
 681         $this->x_min = min($this->x_min, $table->x);
 682         $this->y_min = min($this->y_min, $table->y);
 683     } // end of the "PMA_RT_setMinMax()" method
 684
 685
 686     /**
 687      * Defines relation objects
 688      *
 689      * @param   string   The master table name
 690      * @param   string   The relation field in the master table
 691      * @param   string   The foreign table name
 692      * @param   string   The relation field in the foreign table
 693      *
 694      * @access  private
 695      *
 696      * @see     PMA_RT_setMinMax()
 697      */
 698     function PMA_RT_addRelation($master_table , $master_field,  $foreign_table, $foreign_field)
 699     {
 700         if (!isset($this->tables[$master_table])) {
 701             $this->tables[$master_table] = new PMA_RT_Table($master_table, $this->ff);
 702             $this->PMA_RT_setMinMax($this->tables[$master_table]);
 703         }
 704         if (!isset($this->tables[$foreign_table])) {
 705             $this->tables[$foreign_table] = new PMA_RT_Table($foreign_table, $this->ff);
 706             $this->PMA_RT_setMinMax($this->tables[$foreign_table]);
 707         }
 708         $this->relations[] = new PMA_RT_Relation($this->tables[$master_table], $master_field, $this->tables[$foreign_table], $foreign_field);
 709     } // end of the "PMA_RT_addRelation()" method
 710
 711
 712     /**
 713      * Draws the grid
 714      *
 715      * @global  object  the current PMA_PDF instance
 716      *
 717      * @access  private
 718      *
 719      * @see     PMA_PDF
 720      */
 721     function PMA_RT_strokeGrid()
 722     {
 723         global $pdf;
 724
 725         $pdf->SetMargins(0, 0);
 726         $pdf->SetDrawColor(200, 200, 200);
 727
 728         // Draws horizontal lines
 729         for ($l = 0; $l < 21; $l++) {
 730             $pdf->line(0, $l * 10, 297, $l * 10);
 731             // Avoid duplicates
 732             if ($l > 0) {
 733                 $pdf->SetXY(0, $l * 10);
 734                 $label = (string) $pdf->_FPDF_round(($l * 10 - $this->t_marg) * $this->scale + $this->y_min);
 735                 $pdf->Cell(5, 5, ' ' . $label);
 736             } // end if
 737         } // end for
 738
 739         // Draws vertical lines
 740         for ($j = 0; $j < 30 ;$j++) {
 741             $pdf->line($j * 10, 0, $j * 10, 210);
 742             $pdf->SetXY($j * 10, 0);
 743             $label = (string) $pdf->_FPDF_round(($j * 10 - $this->l_marg) * $this->scale + $this->x_min);
 744             $pdf->Cell(5, 7, $label);
 745         } // end for
 746     } // end of the "PMA_RT_strokeGrid()" method
 747
 748
 749     /**
 750      * Draws relation arrows
 751      *
 752      * @param   boolean  Whether to use one color per relation or not
 753      *
 754      * @access  private
 755      *
 756      * @see     PMA_RT_Relation::PMA_RT_Relation_draw()
 757      */
 758     function PMA_RT_drawRelations($change_color)
 759     {
 760         $i = 0;
 761         reset($this->relations);
 762         while (list(, $relation) = each($this->relations)) {
 763             $relation->PMA_RT_Relation_draw($change_color, $i);
 764             $i++;
 765         } // end while
 766     } // end of the "PMA_RT_drawRelations()" method
 767
 768
 769     /**
 770      * Draws tables
 771      *
 772      * @param   boolean  Whether to display table position or not
 773      *
 774      * @access  private
 775      *
 776      * @see     PMA_RT_Table::PMA_RT_Table_draw()
 777      */
 778     function PMA_RT_drawTables($show_info)
 779     {
 780         reset($this->tables);
 781         while (list(, $table) = each($this->tables)) {
 782             $table->PMA_RT_Table_draw($show_info, $this->ff, $this->same_wide);
 783         }
 784     } // end of the "PMA_RT_drawTables()" method
 785
 786
 787     /**
 788      * Ouputs the PDF document to a file
 789      *
 790      * @global  object   The current PDF document
 791      * @global  string   The current database name
 792      * @global  integer  The current page number (from the
 793      *                   $cfg['Servers'][$i]['table_coords'] table)
 794      *
 795      * @access  private
 796      *
 797      * @see     PMA_PDF
 798      */
 799     function PMA_RT_showRt()
 800     {
 801         global $pdf, $db, $pdf_page_number;
 802
 803         $pdf->SetDisplayMode('fullpage');
 804         $pdf->Output($db . '_' . $pdf_page_number . '.pdf', TRUE);
 805         //$pdf->Output('', TRUE);
 806     } // end of the "PMA_RT_showRt()" method
 807
 808
 809     /**
 810      * The "PMA_RT" constructor
 811      *
 812      * @param   mixed    The scalling factor
 813      * @param   integer  The page number to draw (from the
 814      *                   $cfg['Servers'][$i]['table_coords'] table)
 815      * @param   boolean  Whether to display table position or not
 816      * @param   boolean  Whether to use one color per relation or not
 817      * @param   boolean  Whether to draw grids or not
 818      * @param   boolean  Whether all tables should have the same width or not
 819      *
 820      * @global  object   The current PDF document
 821      * @global  string   The current db name
 822      * @global  array    The relations settings
 823      *
 824      * @access  private
 825      *
 826      * @see     PMA_PDF
 827      */
 828     function PMA_RT($scale, $which_rel, $show_info = 0, $change_color = 0 , $show_grid = 0, $all_tab_same_wide = 0)
 829     {
 830         global $pdf, $db, $cfgRelation;;
 831
 832         // Font face depends on the current language
 833         $this->ff        = str_replace('"', '', substr($GLOBALS['right_font_family'], 0, strpos($GLOBALS['right_font_family'], ',')));
 834         $this->same_wide = $all_tab_same_wide;
 835
 836         // Initializes a new document
 837         $pdf          = new PMA_PDF('L');
 838         $pdf->title   = sprintf($GLOBALS['strPdfDbSchema'], $GLOBALS['db'], $which_rel);
 839         $pdf->cMargin = 0;
 840         $pdf->Open();
 841         $pdf->SetTitle($pdf->title);
 842         $pdf->SetAuthor('phpMyAdmin ' . PMA_VERSION);
 843         $pdf->AliasNbPages();
 844         $pdf->Addpage();
 845         $pdf->SetFont($this->ff, '', 14);
 846         $pdf->SetAutoPageBreak('auto');
 847
 848         // Gets tables on this page
 849         $tab_sql  = 'SELECT table_name FROM ' . PMA_backquote($cfgRelation['table_coords'])
 850                   .   ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
 851                   .   ' AND pdf_page_number = ' . $which_rel;
 852         $tab_rs   = PMA_query_as_cu($tab_sql);
 853         if (!mysql_num_rows($tab_rs) > 0) {
 854             die('No tables');
 855         }
 856         while ($curr_table = @PMA_mysql_fetch_array($tab_rs)) {
 857             $alltables[] = PMA_sqlAddslashes($curr_table['table_name']);
 858             $intable     = '\'' . implode('\', \'', $alltables) . '\'';
 859         }
 860
 861         $sql    = 'SELECT * FROM ' . PMA_backquote($cfgRelation['relation'])
 862                 .   ' WHERE master_db   = \'' . PMA_sqlAddslashes($db) . '\' '
 863                 .   ' AND foreign_db    = \'' . PMA_sqlAddslashes($db) . '\' '
 864                 .   ' AND master_table  IN (' . $intable . ')'
 865                 .   ' AND foreign_table IN (' . $intable . ')';
 866         $result =  PMA_query_as_cu($sql);
 867
 868         // mikebeck: maybe we can show tables without relations if i comment
 869         //           that out
 870 //        if (!$result || !mysql_num_rows($result)) {
 871 //            $pdf->PMA_PDF_die($GLOBALS['strPdfInvalidPageNum']);
 872 //        }
 873         if (isset($result) && $result && mysql_num_rows($result) > 0) {
 874             while ($row = PMA_mysql_fetch_array($result)) {
 875                 $this->PMA_RT_addRelation($row['master_table'] , $row['master_field'], $row['foreign_table'], $row['foreign_field']);
 876             }
 877             $norelations = FALSE;
 878         } else {
 879             reset ($alltables);
 880             while (list(, $table) = each ($alltables)) {
 881                 $this->tables[$table] = new PMA_RT_Table($table, $this->ff);
 882                 $this->PMA_RT_setMinMax($this->tables[$table]);
 883             }
 884             $norelations = TRUE;
 885         } // end if... else...
 886
 887         // Defines the scale factor
 888         if ($scale == 'auto') {
 889             $this->scale = ceil(max(($this->x_max - $this->x_min) / (297 - $this->r_marg - $this->l_marg), ($this->y_max - $this->y_min) / (210 - $this->t_marg - $this->b_marg)) * 100) / 100;
 890             $pdf->PMA_PDF_setScale($this->scale, $this->x_min, $this->y_min, $this->l_marg, $this->t_marg);
 891         } else {
 892             $this->scale = $scale;
 893             $pdf->PMA_PDF_setScale($scale);
 894         } // end if... else...
 895
 896         // Builds and save the PDF document
 897         $pdf->PMA_PDF_setLineWidthScale(0.1);
 898
 899         if ($show_grid) {
 900             $pdf->SetFontSize(10);
 901             $this->PMA_RT_strokeGrid();
 902         }
 903         $pdf->PMA_PDF_setFontSizeScale(14);
 904         if ($norelations == FALSE) {
 905             $this->PMA_RT_drawRelations($change_color);
 906         }
 907         $this->PMA_RT_drawTables($show_info);
 908
 909         $this->PMA_RT_showRt();
 910     } // end of the "PMA_RT()" method
 911 } // end of the "PMA_RT" class
 912
 913
 914
 915
 916 /**
 917  * Main logic
 918  */
 919 if (!isset($pdf_page_number)) {
 920     $pdf_page_number  = 1;
 921 }
 922 $show_grid            = (isset($show_grid) && $show_grid == 'on') ? 1 : 0;
 923 $show_color           = (isset($show_color) && $show_color == 'on') ? 1 : 0;
 924 $show_table_dimension = (isset($show_table_dimension) && $show_table_dimension == 'on') ? 1 : 0;
 925 $all_tab_same_wide    = (isset($all_tab_same_wide) && $all_tab_same_wide == 'on') ? 1 : 0;
 926
 927 PMA_mysql_select_db($db);
 928
 929 $rt  = new PMA_RT('auto', $pdf_page_number, $show_table_dimension, $show_color, $show_grid, $all_tab_same_wide);
 930 ?>