libraries/schema/User_Schema.class.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  *
   5  * @package phpMyAdmin
   6  */
   7
   8 /**
   9  * This Class interacts with the user to gather the information
  10  * about their tables for which they want to export the relational schema
  11  * export options are shown to user from they can choose
  12  *
  13  * @name User_Schema
  14  * @copyright
  15  * @license
  16  */
  17
  18 class PMA_User_Schema
  19 {
  20
  21     public $chosenPage;
  22     public $autoLayoutForeign;
  23     public $autoLayoutInternal;
  24     public $pageNumber;
  25     public $c_table_rows;
  26     public $action;
  27
  28     public function setAction($value)
  29     {
  30         $this->action = $value;
  31     }
  32     /**
  33      * This function will process the user defined pages
  34      * and tables which will be exported as Relational schema
  35      * you can set the table positions on the paper via scratchboard
  36      * for table positions, put the x,y co-ordinates
  37      *
  38      * @param string $this->action It tells what the Schema is supposed to do
  39      *                       create and select a page, generate schema etc
  40      * @access public
  41      */
  42
  43     public function processUserChoice()
  44     {
  45         global $action_choose,$db,$cfgRelation,$cfg,$query_default_option;
  46
  47         if (isset($this->action)) {
  48             switch ($this->action) {
  49             case 'selectpage':
  50                 $this->chosenPage = $_REQUEST['chpage'];
  51                 if ($action_choose=="1") {
  52                     $this->deleteCoordinates($db, $cfgRelation, $this->chosenPage, $query_default_option);
  53                     $this->deletePages($db, $cfgRelation, $this->chosenPage, $query_default_option);
  54                     $this->chosenPage = 0;
  55                 }
  56                 break;
  57             case 'createpage':
  58                 $this->pageNumber = PMA_REL_create_page($_POST['newpage'], $cfgRelation, $db, $query_default_option);
  59                 $this->autoLayoutForeign = isset($_POST['auto_layout_foreign']) ? "1":NULL;
  60                 $this->autoLayoutInternal = isset($_POST['auto_layout_internal']) ? "1":NULL;
  61                 $this->processRelations($db, $this->pageNumber,$cfgRelation,$query_default_option);
  62                 break;
  63             case 'edcoord':
  64                 $this->chosenPage = $_POST['chpage'];
  65                 $this->c_table_rows = $_POST['c_table_rows'];
  66                 $this->_editCoordinates($db, $cfgRelation,$query_default_option);
  67                 break;
  68             case 'delete_old_references':
  69                 $this->_deleteTableRows($_POST['delrow'], $cfgRelation, $db, $_POST['chpage']);
  70                 break;
  71             case 'process_export':
  72                 $this->_processExportSchema();
  73                 break;
  74
  75             } // end switch
  76         } // end if (isset($do))
  77
  78     }
  79
  80     /**
  81      * shows/displays the HTML FORM to create the page
  82      *
  83      * @param string db name of the selected database
  84      * @return void
  85      * @access public
  86      */
  87     public function showCreatePageDialog($db)
  88     {
  89         ?>
  90         <form method="post" action="schema_edit.php" name="frm_create_page">
  91         <fieldset>
  92         <legend>
  93         <?php echo __('Create a page') . "\n"; ?>
  94         </legend>
  95         <?php echo PMA_generate_common_hidden_inputs($db); ?>
  96         <input type="hidden" name="do" value="createpage" />
  97         <table>
  98         <tr>
  99         <td><label for="id_newpage"><?php echo __('Page name'); ?></label></td>
 100         <td><input type="text" name="newpage" id="id_newpage" size="20" maxlength="50" /></td>
 101         </tr>
 102         <tr>
 103         <td><?php echo __('Automatic layout based on'); ?></td>
 104         <td>
 105         <input type="checkbox" name="auto_layout_internal" id="id_auto_layout_internal" /><label for="id_auto_layout_internal">
 106         <?php echo __('Internal relations'); ?></label><br />
 107         <?php
 108         /*
 109          * Check to see whether INNODB and PBXT storage engines are Available in MYSQL PACKAGE
 110          * If available, then provide AutoLayout for Foreign Keys in Schema View
 111          */
 112
 113         if (PMA_StorageEngine::isValid('InnoDB') || PMA_StorageEngine::isValid('PBXT')) {
 114             ?>
 115             <input type="checkbox" name="auto_layout_foreign" id="id_auto_layout_foreign" /><label for="id_auto_layout_foreign">
 116             <?php echo __('FOREIGN KEY'); ?></label><br />
 117             <?php
 118         }
 119         ?>
 120         </td></tr>
 121         </table>
 122         </fieldset>
 123         <fieldset class="tblFooters">
 124         <input type="submit" value="<?php echo __('Go'); ?>" />
 125         </fieldset>
 126         </form>
 127         <?php
 128     }
 129
 130     /**
 131      * shows/displays the created page names in a drop down list
 132      * User can select any page number and edit it using dashboard etc
 133      *
 134      * @return void
 135      * @access public
 136      */
 137     public function selectPage()
 138     {
 139         global $db,$table,$query_default_option,$cfgRelation;
 140         $page_query = 'SELECT * FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['pdf_pages'])
 141                 . ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\'';
 142         $page_rs    = PMA_query_as_controluser($page_query, FALSE, $query_default_option);
 143         if ($page_rs && PMA_DBI_num_rows($page_rs) > 0) {
 144             ?>
 145             <form method="get" action="schema_edit.php" name="frm_select_page">
 146             <fieldset>
 147             <legend>
 148             <?php echo __('Please choose a page to edit') . "\n"; ?>
 149             </legend>
 150             <?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
 151             <input type="hidden" name="do" value="selectpage" />
 152             <select name="chpage" id="chpage" onchange="this.form.submit()">
 153             <option value="0"><?php echo __('Select page'); ?></option>
 154             <?php
 155             while ($curr_page = PMA_DBI_fetch_assoc($page_rs)) {
 156                    echo "\n" . '        '
 157                         . '<option value="' . $curr_page['page_nr'] . '"';
 158                     if (isset($this->chosenPage) && $this->chosenPage == $curr_page['page_nr']) {
 159                         echo ' selected="selected"';
 160                     }
 161                     echo '>' . $curr_page['page_nr'] . ': ' . htmlspecialchars($curr_page['page_descr']) . '</option>';
 162             } // end while
 163             echo "\n";
 164             ?>
 165             </select>
 166             <?php
 167             $choices = array(
 168                  '0' => __('Edit'),
 169                  '1' => __('Delete')
 170             );
 171             PMA_display_html_radio('action_choose', $choices, '0', false);
 172             unset($choices);
 173             ?>
 174             </fieldset>
 175             <fieldset class="tblFooters">
 176             <input type="submit" value="<?php echo __('Go'); ?>" /><br />
 177             </fieldset>
 178             </form>
 179             <?php
 180         } // end IF
 181         echo "\n";
 182     } // end function
 183
 184     /**
 185      * A dashboard is displayed to AutoLayout the position of tables
 186      * users can drag n drop the tables and change their positions
 187      *
 188      * @return void
 189      * @access public
 190      */
 191     public function showTableDashBoard()
 192     {
 193         global $db,$cfgRelation,$table,$cfg,$with_field_names,$query_default_option;
 194         /*
 195          * We will need an array of all tables in this db
 196          */
 197         $selectboxall = array('--');
 198         $alltab_rs    = PMA_DBI_query('SHOW TABLES FROM ' . PMA_backquote($db) . ';', null, PMA_DBI_QUERY_STORE);
 199         while ($val = @PMA_DBI_fetch_row($alltab_rs)) {
 200                $selectboxall[] = $val[0];
 201         }
 202
 203         /*
 204          * Now if we already have chosen a page number then we should
 205          * show the tables involved
 206          */
 207
 208         if (isset($this->chosenPage) && $this->chosenPage > 0) {
 209             echo "\n";
 210             ?>
 211             <h2><?php echo __('Select Tables') ;?></h2>
 212             <?php
 213             $page_query = 'SELECT * FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_coords'])
 214                         . ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
 215                         . ' AND pdf_page_number = \'' . PMA_sqlAddslashes($this->chosenPage) . '\'';
 216             $page_rs    = PMA_query_as_controluser($page_query, FALSE, $query_default_option);
 217             $array_sh_page = array();
 218             while ($temp_sh_page = @PMA_DBI_fetch_assoc($page_rs)) {
 219                    $array_sh_page[] = $temp_sh_page;
 220             }
 221             /*
 222              * Display WYSIWYG parts
 223              */
 224
 225             if (!isset($_POST['with_field_names']) && !isset($_POST['showwysiwyg'])) {
 226                 $with_field_names = TRUE;
 227             }
 228             $this->_displayScratchboardTables($array_sh_page);
 229             ?>
 230
 231             <form method="post" action="schema_edit.php" name="edcoord">
 232             <?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
 233             <input type="hidden" name="chpage" value="<?php echo htmlspecialchars($this->chosenPage); ?>" />
 234             <input type="hidden" name="do" value="edcoord" />
 235             <table border="0">
 236             <tr>
 237                 <th><?php echo __('Table'); ?></th>
 238                 <th><?php echo __('Delete'); ?></th>
 239                 <th>X</th>
 240                 <th>Y</th>
 241             </tr>
 242             <?php
 243             if (isset($ctable)) {
 244                 unset($ctable);
 245             }
 246
 247             $i = 0;
 248             $odd_row = true;
 249             foreach ($array_sh_page as $dummy_sh_page => $sh_page) {
 250                     $_mtab            =  $sh_page['table_name'];
 251                     $tabExist[$_mtab] =  FALSE;
 252                     echo "\n" . '    <tr class="noclick ';
 253                     if ($odd_row) {
 254                         echo 'odd';
 255                     } else {
 256                         echo 'even';
 257                     }
 258                     echo '">';
 259                     $odd_row != $odd_row;
 260                     echo "\n" . '        <td>'
 261                          . "\n" . '            <select name="c_table_' . $i . '[name]">';
 262                     foreach ($selectboxall as $key => $value) {
 263                             echo "\n" . '                <option value="' . htmlspecialchars($value) . '"';
 264                             if ($value == $sh_page['table_name']) {
 265                                 echo ' selected="selected"';
 266                                 $tabExist[$_mtab] = TRUE;
 267                             }
 268                             echo '>' . htmlspecialchars($value) . '</option>';
 269                     }
 270                     echo "\n" . '            </select>'
 271                          . "\n" . '        </td>';
 272                     echo "\n" . '        <td>'
 273                          . "\n" . '            <input type="checkbox" id="id_c_table_' . $i .'" name="c_table_' . $i . '[delete]" value="y" /><label for="id_c_table_' . $i .'">' . __('Delete') . '</label>';
 274                     echo "\n" . '        </td>';
 275                     echo "\n" . '        <td>'
 276                          . "\n" . '            <input type="text" onchange="dragPlace(' . $i . ', \'x\', this.value)" name="c_table_' . $i . '[x]" value="' . $sh_page['x'] . '" />';
 277                     echo "\n" . '        </td>';
 278                     echo "\n" . '        <td>'
 279                          . "\n" . '            <input type="text" onchange="dragPlace(' . $i . ', \'y\', this.value)" name="c_table_' . $i . '[y]" value="' . $sh_page['y'] . '" />';
 280                     echo "\n" . '        </td>';
 281                     echo "\n" . '    </tr>';
 282                     $i++;
 283                 }
 284                 /*
 285                  * Add one more empty row
 286                  */
 287                 echo "\n" . '    <tr class="noclick ';
 288                 if ($odd_row) {
 289                     echo 'odd';
 290                 } else {
 291                     echo 'even';
 292                 }
 293                 $odd_row != $odd_row;
 294                 echo '">';
 295                 echo "\n" . '        <td>'
 296                      . "\n" . '            <select name="c_table_' . $i . '[name]">';
 297                 foreach ($selectboxall as $key => $value) {
 298                     echo "\n" . '                <option value="' . htmlspecialchars($value) . '">' . htmlspecialchars($value) . '</option>';
 299                 }
 300                 echo "\n" . '            </select>'
 301                      . "\n" . '        </td>';
 302                 echo "\n" . '        <td>'
 303                      . "\n" . '            <input type="checkbox" id="id_c_table_' . $i .'" name="c_table_' . $i . '[delete]" value="y" /><label for="id_c_table_' . $i .'">' . __('Delete') . '</label>';
 304                 echo "\n" . '        </td>';
 305                 echo "\n" . '        <td>'
 306                      . "\n" . '            <input type="text" name="c_table_' . $i . '[x]" value="' . (isset($sh_page['x'])?$sh_page['x']:'') . '" />';
 307                 echo "\n" . '        </td>';
 308                 echo "\n" . '        <td>'
 309                      . "\n" . '            <input type="text" name="c_table_' . $i . '[y]" value="' . (isset($sh_page['y'])?$sh_page['y']:'') . '" />';
 310                 echo "\n" . '        </td>';
 311                 echo "\n" . '    </tr>';
 312                 echo "\n" . '    </table>' . "\n";
 313
 314                 echo "\n" . '    <input type="hidden" name="c_table_rows" value="' . ($i + 1) . '" />';
 315                 echo "\n" . '    <input type="hidden" id="showwysiwyg" name="showwysiwyg" value="' . ((isset($showwysiwyg) && $showwysiwyg == '1') ? '1' : '0') . '" />';
 316                 echo "\n" . '    <input type="checkbox" name="with_field_names" ' . (isset($with_field_names) ? 'checked="checked"' : ''). ' />' . __('Column names') . '<br />';
 317                 echo "\n" . '    <input type="submit" value="' . __('Save') . '" />';
 318                 echo "\n" . '</form>' . "\n\n";
 319         } // end if
 320
 321         $this->_deleteTables($db, $this->chosenPage, $tabExist);
 322     }
 323
 324     /**
 325      * show Export relational schema generation options
 326      * user can select export type of his own choice
 327      * and the attributes related to it
 328      *
 329      * @return void
 330      * @access public
 331      */
 332
 333     public function displaySchemaGenerationOptions()
 334     {
 335         global $cfg,$pmaThemeImage,$db,$test_rs,$chpage;
 336         ?>
 337         <form method="post" action="schema_export.php">
 338             <fieldset>
 339             <legend>
 340             <?php
 341             echo PMA_generate_common_hidden_inputs($db);
 342             if ($cfg['PropertiesIconic']) {
 343                 echo '<img class="icon" src="' . $pmaThemeImage . 'b_view.png"'
 344                 .' alt="" width="16" height="16" />';
 345             }
 346             echo __('Display relational schema');
 347             ?>:
 348             </legend>
 349             <select name="export_type" id="export_type">
 350                 <option value="pdf" selected="selected">PDF</option>
 351                 <option value="svg">SVG</option>
 352                 <option value="dia">DIA</option>
 353                 <option value="visio">Visio</option>
 354                 <option value="eps">EPS</option>
 355             </select>
 356             <label><?php echo __('Select Export Relational Type');?></label><br />
 357             <?php
 358             if (isset($test_rs)) {
 359             ?>
 360             <label for="pdf_page_number_opt"><?php echo __('Page number:'); ?></label>
 361             <select name="pdf_page_number" id="pdf_page_number_opt">
 362                    <?php
 363                    while ($pages = @PMA_DBI_fetch_assoc($test_rs)) {
 364                           echo '                <option value="' . $pages['page_nr'] . '">'
 365                                 . $pages['page_nr'] . ': ' . htmlspecialchars($pages['page_descr']) . '</option>' . "\n";
 366                     } // end while
 367                     PMA_DBI_free_result($test_rs);
 368                     unset($test_rs);
 369                     ?>
 370             </select><br />
 371             <?php } else { ?>
 372             <input type="hidden" name="pdf_page_number" value="<?php echo htmlspecialchars($this->chosenPage); ?>" />
 373             <?php } ?>
 374             <input type="hidden" name="do" value="process_export" />
 375             <input type="hidden" name="chpage" value="<?php echo $chpage; ?>" />
 376             <input type="checkbox" name="show_grid" id="show_grid_opt" />
 377             <label for="show_grid_opt"><?php echo __('Show grid'); ?></label><br />
 378             <input type="checkbox" name="show_color" id="show_color_opt" checked="checked" />
 379             <label for="show_color_opt"><?php echo __('Show color'); ?></label><br />
 380             <input type="checkbox" name="show_table_dimension" id="show_table_dim_opt" />
 381             <label for="show_table_dim_opt"><?php echo __('Show dimension of tables'); ?>
 382             </label><br />
 383             <input type="checkbox" name="all_table_same_wide" id="all_table_same_wide" />
 384             <label for="all_table_same_wide"><?php echo __('Display all tables with the same width'); ?>
 385             </label><br />
 386             <input type="checkbox" name="with_doc" id="with_doc" checked="checked" />
 387             <label for="with_doc"><?php echo __('Data Dictionary'); ?></label><br />
 388             <input type="checkbox" name="show_keys" id="show_keys" />
 389             <label for="show_keys"><?php echo __('Only show keys'); ?></label><br />
 390             <select name="orientation" id="orientation_opt" onchange="refreshDragOption('pdflayout');" >
 391                 <option value="L"><?php echo __('Landscape');?></option>
 392                 <option value="P"><?php echo __('Portrait');?></option>
 393             </select>
 394             <label for="orientation_opt"><?php echo __('Orientation'); ?></label>
 395             <br />
 396             <select name="paper" id="paper_opt" onchange="refreshDragOption('pdflayout');">
 397                 <?php
 398                 foreach ($cfg['PDFPageSizes'] as $key => $val) {
 399                         echo '<option value="' . $val . '"';
 400                         if ($val == $cfg['PDFDefaultPageSize']) {
 401                             echo ' selected="selected"';
 402                         }
 403                         echo ' >' . $val . '</option>' . "\n";
 404                 }
 405                 ?>
 406             </select>
 407             <label for="paper_opt"><?php echo __('Paper size'); ?></label>
 408             </fieldset>
 409             <fieldset class="tblFooters">
 410             <input type="submit" value="<?php echo __('Go'); ?>" />
 411             </fieldset>
 412         </form>
 413         <?php
 414     }
 415
 416     /**
 417     * Check if there are tables that need to be deleted in dashboard,
 418     * if there are, ask the user for allowance
 419     *
 420     * @param string db name of database selected
 421     * @param integer chpage selected page
 422     * @param array tabExist
 423     * @return void
 424     * @access private
 425     */
 426     private function _deleteTables($db, $chpage, $tabExist)
 427     {
 428         $_strtrans  = '';
 429         $_strname   = '';
 430         $shoot      = FALSE;
 431         if (!empty($tabExist) && is_array($tabExist)) {
 432             foreach ($tabExist as $key => $value) {
 433                     if (!$value) {
 434                         $_strtrans  .= '<input type="hidden" name="delrow[]" value="' . htmlspecialchars($key) . '" />' . "\n";
 435                         $_strname   .= '<li>' . htmlspecialchars($key) . '</li>' . "\n";
 436                         $shoot       = TRUE;
 437                     }
 438             }
 439             if ($shoot) {
 440                 echo '<form action="schema_edit.php" method="post">' . "\n"
 441                     . PMA_generate_common_hidden_inputs($db)
 442                     . '<input type="hidden" name="do" value="delete_old_references" />' . "\n"
 443                     . '<input type="hidden" name="chpage" value="' . htmlspecialchars($chpage) . '" />' . "\n"
 444                     . __('The current page has references to tables that no longer exist. Would you like to delete those references?')
 445                     . '<ul>' . "\n"
 446                     . $_strname
 447                     . '</ul>' . "\n"
 448                     . $_strtrans
 449                     . '<input type="submit" value="' . __('Go') . '" />' . "\n"
 450                     . '</form>';
 451             }
 452         }
 453
 454     }
 455
 456     /**
 457      * Check if there are tables that need to be deleted in dashboard,
 458      * if there are, ask the user for allowance
 459      *
 460      * @return void
 461      * @access private
 462      */
 463     private function _displayScratchboardTables($array_sh_page)
 464     {
 465         global $with_field_names,$cfg,$db;
 466         ?>
 467         <script type="text/javascript" src="./js/dom-drag.js"></script>
 468         <form method="post" action="schema_edit.php" name="dragdrop">
 469         <input type="button" name="dragdrop" value="<?php echo __('Toggle scratchboard'); ?>" onclick="ToggleDragDrop('pdflayout');" />
 470         <input type="button" name="dragdropreset" value="<?php echo __('Reset'); ?>" onclick="resetDrag();" />
 471         </form>
 472         <div id="pdflayout" class="pdflayout" style="visibility: hidden;">
 473         <?php
 474         $draginit = '';
 475         $draginit2 = '';
 476         $reset_draginit = '';
 477         $i = 0;
 478         foreach ($array_sh_page as $key => $temp_sh_page) {
 479                 $drag_x = $temp_sh_page['x'];
 480                 $drag_y = $temp_sh_page['y'];
 481
 482                 $draginit2      .= ' Drag.init(getElement("table_' . $i . '"), null, 0, parseInt(myid.style.width)-2, 0, parseInt(myid.style.height)-5);' . "\n";
 483                 $draginit2       .= '    getElement("table_' . $i . '").onDrag = function (x, y) { document.edcoord.elements["c_table_' . $i . '[x]"].value = parseInt(x); document.edcoord.elements["c_table_' . $i . '[y]"].value = parseInt(y) }' . "\n";
 484                 $draginit       .= '    getElement("table_' . $i . '").style.left = "' . $drag_x . 'px";' . "\n";
 485                 $draginit       .= '    getElement("table_' . $i . '").style.top  = "' . $drag_y . 'px";' . "\n";
 486                 $reset_draginit .= '    getElement("table_' . $i . '").style.left = "2px";' . "\n";
 487                 $reset_draginit .= '    getElement("table_' . $i . '").style.top  = "' . (15 * $i) . 'px";' . "\n";
 488                 $reset_draginit .= '    document.edcoord.elements["c_table_' . $i . '[x]"].value = "2"' . "\n";
 489                 $reset_draginit .= '    document.edcoord.elements["c_table_' . $i . '[y]"].value = "' . (15 * $i) . '"' . "\n";
 490
 491                 $local_query = 'SHOW FIELDS FROM '
 492                              .  PMA_backquote($temp_sh_page['table_name'])
 493                              . ' FROM ' . PMA_backquote($db);
 494                 $fields_rs = PMA_DBI_try_query($local_query);
 495                 unset($local_query);
 496                 // the table has been dropped from outside phpMyAdmin
 497                 if (PMA_DBI_getError()) {
 498                     continue;
 499                 }
 500                 echo '<div id="table_' . $i . '" class="pdflayout_table"><u>' . $temp_sh_page['table_name'] . '</u>';
 501                 if (isset($with_field_names)) {
 502                     while ($row = PMA_DBI_fetch_assoc($fields_rs)) {
 503                            echo '<br />' . htmlspecialchars($row['Field']) . "\n";
 504                     }
 505                 }
 506                 echo '</div>' . "\n";
 507                 PMA_DBI_free_result($fields_rs);
 508                 unset($fields_rs);
 509                 $i++;
 510         }
 511         ?>
 512         </div>
 513         <script type="text/javascript">
 514         //<![CDATA[
 515         function PDFinit() {
 516             refreshLayout();
 517             myid = getElement('pdflayout');
 518             <?php echo $draginit; ?>
 519             TableDragInit();
 520         }
 521
 522         function TableDragInit() {
 523             myid = getElement('pdflayout');
 524             <?php echo $draginit2; ?>
 525         }
 526
 527         function resetDrag() {
 528             <?php echo $reset_draginit; ?>
 529         }
 530         //]]>
 531         </script>
 532         <?php
 533     }
 534
 535     /**
 536      * delete the table rows with table co-ordinates
 537      *
 538      * @param int delrow delete selected table from list of tables
 539      * @param array cfgRelation relation settings
 540      * @param string db database name
 541      * @param integer chpage selected page for adding relations etc
 542      * @return void
 543      * @access private
 544      */
 545     private function _deleteTableRows($delrow,$cfgRelation,$db,$chpage)
 546     {
 547         foreach ($delrow as $current_row) {
 548                 $del_query = 'DELETE FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_coords']) . ' ' . "\n"
 549                          .   ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\'' . "\n"
 550                          .   ' AND   table_name = \'' . PMA_sqlAddslashes($current_row) . '\'' . "\n"
 551                          .   ' AND   pdf_page_number = \'' . PMA_sqlAddslashes($chpage) . '\'';
 552                          echo $del_query;
 553                 PMA_query_as_controluser($del_query, FALSE, $query_default_option);
 554         }
 555     }
 556
 557     /**
 558      * get all the export options and verify
 559      * call and include the appropriate Schema Class depending on $export_type
 560      *
 561      * @return void
 562      * @access private
 563      */
 564     private function _processExportSchema()
 565     {
 566         /**
 567         * Settings for relation stuff
 568         */
 569         require_once './libraries/transformations.lib.php';
 570         require_once './libraries/Index.class.php';
 571         /**
 572          * default is PDF, otherwise validate it's only letters a-z
 573          */
 574         global  $db,$export_type;
 575         if (!isset($export_type) || !preg_match('/^[a-zA-Z]+$/', $export_type)) {
 576             $export_type = 'pdf';
 577         }
 578
 579         PMA_DBI_select_db($db);
 580
 581         include("./libraries/schema/".ucfirst($export_type)."_Relation_Schema.class.php");
 582         $obj_schema = eval("new PMA_".ucfirst($export_type)."_Relation_Schema();");
 583     }
 584
 585     /**
 586      * delete X and Y coordinates
 587      *
 588      * @param string db The database name
 589      * @param array cfgRelation relation settings
 590      * @param integer choosePage selected page for adding relations etc
 591      * @return void
 592      * @access private
 593      */
 594     public function deleteCoordinates($db, $cfgRelation, $choosePage, $query_default_option)
 595     {
 596         $query = 'DELETE FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_coords'])
 597                                 .   ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
 598                                 .   ' AND   pdf_page_number = \'' . PMA_sqlAddslashes($choosePage) . '\'';
 599         PMA_query_as_controluser($query, FALSE, $query_default_option);
 600     }
 601
 602     /**
 603      * delete pages
 604      *
 605      * @param string db The database name
 606      * @param array cfgRelation relation settings
 607      * @param integer choosePage selected page for adding relations etc
 608      * @return void
 609      * @access private
 610      */
 611     public function deletePages($db, $cfgRelation, $choosePage, $query_default_option)
 612     {
 613         $query = 'DELETE FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['pdf_pages'])
 614                                 .   ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
 615                                 .   ' AND   page_nr = \'' . PMA_sqlAddslashes($choosePage) . '\'';
 616         PMA_query_as_controluser($query, FALSE, $query_default_option);
 617     }
 618
 619     /**
 620      * process internal and foreign key relations
 621      *
 622      * @param string db The database name
 623      * @param array cfgRelation relation settings
 624      * @param integer pageNumber document number/Id
 625      * @return void
 626      * @access private
 627      */
 628     public function processRelations($db, $pageNumber, $cfgRelation, $query_default_option)
 629     {
 630         /*
 631          * A u t o m a t i c    l a y o u t
 632          *
 633          * There are 2 kinds of relations in PMA
 634          * 1) Internal Relations 2) Foreign Key Relations
 635          */
 636         if (isset($this->autoLayoutInternal) || isset($this->autoLayoutForeign)) {
 637             $all_tables = array();
 638         }
 639
 640         if (isset($this->autoLayoutForeign)) {
 641             /*
 642              * get the tables list
 643              * who support FOREIGN KEY, it's not
 644              * important that we group together InnoDB tables
 645              * and PBXT tables, as this logic is just to put
 646              * the tables on the layout, not to determine relations
 647              */
 648             $tables = PMA_DBI_get_tables_full($db);
 649             $foreignkey_tables = array();
 650             foreach($tables as $table_name => $table_properties) {
 651                    if (PMA_foreignkey_supported($table_properties['ENGINE'])) {
 652                         $foreignkey_tables[] = $table_name;
 653                     }
 654             }
 655             $all_tables = $foreignkey_tables;
 656             /*
 657              * could be improved by finding the tables which have the
 658              * most references keys and placing them at the beginning
 659              * of the array (so that they are all center of schema)
 660              */
 661             unset($tables, $foreignkey_tables);
 662         }
 663
 664         if (isset($this->autoLayoutInternal)) {
 665             /*
 666              * get the tables list who support Internal Relations;
 667              * This type of relations will be created when
 668              * you setup the PMA tables correctly
 669              */
 670             $master_tables = 'SELECT COUNT(master_table), master_table'
 671                            . ' FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['relation'])
 672                            . ' WHERE master_db = \'' . $db . '\''
 673                            . ' GROUP BY master_table'
 674                            . ' ORDER BY ' . PMA_backquote('COUNT(master_table)') . ' DESC ';
 675             $master_tables_rs = PMA_query_as_controluser($master_tables, FALSE, $query_default_option);
 676             if ($master_tables_rs && PMA_DBI_num_rows($master_tables_rs) > 0) {
 677                 /* first put all the master tables at beginning
 678                  * of the list, so they are near the center of
 679                  * the schema
 680                  */
 681                 while (list(, $master_table) = PMA_DBI_fetch_row($master_tables_rs)) {
 682                        $all_tables[] = $master_table;
 683                 }
 684
 685                 /* Now for each master, add its foreigns into an array
 686                  * of foreign tables, if not already there
 687                  * (a foreign might be foreign for more than
 688                  * one table, and might be a master itself)
 689                  */
 690
 691                 $foreign_tables = array();
 692                 foreach ($all_tables as $master_table) {
 693                         $foreigners = PMA_getForeigners($db, $master_table);
 694                         foreach ($foreigners as $foreigner) {
 695                                 if (!in_array($foreigner['foreign_table'], $foreign_tables)) {
 696                                         $foreign_tables[] = $foreigner['foreign_table'];
 697                                 }
 698                         }
 699                 }
 700
 701                 /*
 702                  * Now merge the master and foreign arrays/tables
 703                  */
 704                 foreach ($foreign_tables as $foreign_table) {
 705                         if (!in_array($foreign_table, $all_tables)) {
 706                             $all_tables[] = $foreign_table;
 707                         }
 708                 }
 709             }
 710         }
 711
 712         if (isset($this->autoLayoutInternal) || isset($this->autoLayoutForeign)) {
 713             $this->addRelationCoordinates($all_tables,$pageNumber,$db, $cfgRelation,$query_default_option);
 714         }
 715
 716         $this->chosenPage = $pageNumber;
 717     }
 718
 719     /**
 720      * Add X and Y coordinates for a table
 721      *
 722      * @param string db The database name
 723      * @param array cfgRelation relation settings
 724      * @param integer pageNumber document number/Id
 725      * @param array all_tables A list of all tables involved
 726      * @return void
 727      * @access private
 728      */
 729     public function addRelationCoordinates($all_tables,$pageNumber,$db, $cfgRelation,$query_default_option)
 730     {
 731         /*
 732          * Now generate the coordinates for the schema
 733          * in a clockwise spiral and add to co-ordinates table
 734          */
 735         $pos_x = 300;
 736         $pos_y = 300;
 737         $delta = 110;
 738         $delta_mult = 1.10;
 739         $direction = "right";
 740         foreach ($all_tables as $current_table) {
 741             /*
 742             * save current table's coordinates
 743             */
 744             $insert_query = 'INSERT INTO ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_coords']) . ' '
 745                           . '(db_name, table_name, pdf_page_number, x, y) '
 746                           . 'VALUES (\'' . PMA_sqlAddslashes($db) . '\', \'' . PMA_sqlAddslashes($current_table) . '\',' . $pageNumber . ',' . $pos_x . ',' . $pos_y . ')';
 747             PMA_query_as_controluser($insert_query, FALSE, $query_default_option);
 748
 749             /*
 750              * compute for the next table
 751              */
 752             switch ($direction) {
 753             case 'right':
 754                 $pos_x    += $delta;
 755                 $direction = "down";
 756                 $delta    *= $delta_mult;
 757                 break;
 758             case 'down':
 759                 $pos_y    += $delta;
 760                 $direction = "left";
 761                 $delta    *= $delta_mult;
 762                 break;
 763             case 'left':
 764                 $pos_x    -= $delta;
 765                 $direction = "up";
 766                 $delta    *= $delta_mult;
 767                 break;
 768             case 'up':
 769                 $pos_y    -= $delta;
 770                 $direction = "right";
 771                 $delta    *= $delta_mult;
 772                  break;
 773             }
 774         }
 775     }
 776
 777     /**
 778      * update X and Y coordinates for a table
 779      *
 780      * @param string db The database name
 781      * @param array cfgRelation relation settings
 782      * @return void
 783      * @access private
 784      */
 785     private function _editCoordinates($db, $cfgRelation,$query_default_option)
 786     {
 787         for ($i = 0; $i < $this->c_table_rows; $i++) {
 788             $arrvalue = 'c_table_' . $i;
 789             global $$arrvalue;
 790             $arrvalue = $$arrvalue;
 791             if (!isset($arrvalue['x']) || $arrvalue['x'] == '') {
 792                 $arrvalue['x'] = 0;
 793             }
 794             if (!isset($arrvalue['y']) || $arrvalue['y'] == '') {
 795                 $arrvalue['y'] = 0;
 796             }
 797             if (isset($arrvalue['name']) && $arrvalue['name'] != '--') {
 798                 $test_query = 'SELECT * FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_coords'])
 799                             .   ' WHERE db_name = \'' .  PMA_sqlAddslashes($db) . '\''
 800                             .   ' AND   table_name = \'' . PMA_sqlAddslashes($arrvalue['name']) . '\''
 801                             .   ' AND   pdf_page_number = \'' . PMA_sqlAddslashes($this->chosenPage) . '\'';
 802                 $test_rs    = PMA_query_as_controluser($test_query, FALSE, $query_default_option);
 803                 //echo $test_query;
 804                 if ($test_rs && PMA_DBI_num_rows($test_rs) > 0) {
 805                     if (isset($arrvalue['delete']) && $arrvalue['delete'] == 'y') {
 806                         $ch_query = 'DELETE FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_coords'])
 807                                   .   ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
 808                                   .   ' AND   table_name = \'' . PMA_sqlAddslashes($arrvalue['name']) . '\''
 809                                   .   ' AND   pdf_page_number = \'' . PMA_sqlAddslashes($this->chosenPage) . '\'';
 810                     } else {
 811                         $ch_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_coords']) . ' '
 812                                   . 'SET x = ' . $arrvalue['x'] . ', y= ' . $arrvalue['y']
 813                                   .   ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
 814                                   .   ' AND   table_name = \'' . PMA_sqlAddslashes($arrvalue['name']) . '\''
 815                                   .   ' AND   pdf_page_number = \'' . PMA_sqlAddslashes($this->chosenPage) . '\'';
 816                     }
 817                 } else {
 818                     $ch_query     = 'INSERT INTO ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_coords']) . ' '
 819                                   . '(db_name, table_name, pdf_page_number, x, y) '
 820                                   . 'VALUES (\'' . PMA_sqlAddslashes($db) . '\', \'' . PMA_sqlAddslashes($arrvalue['name']) . '\', \'' . PMA_sqlAddslashes($this->chosenPage) . '\',' . $arrvalue['x'] . ',' . $arrvalue['y'] . ')';
 821                 }
 822                 //echo $ch_query;
 823                 PMA_query_as_controluser($ch_query, FALSE, $query_default_option);
 824             } // end if
 825         } // end for
 826     }
 827 }
 828 ?>