/**
* The "PMA_Pdf_Relation_Schema" constructor
*
* @global object $pdf The current PDF Schema document
* @global string $db The current db name
* @global array The relations settings
* @access private
* @see PMA_Schema_PDF
*/
function __construct()
{
global $pdf, $db;
$this->setPageNumber($_POST['pdf_page_number']);
$this->setShowGrid(isset($_POST['show_grid']));
$this->setShowColor(isset($_POST['show_color']));
$this->setShowKeys(isset($_POST['show_keys']));
$this->setTableDimension(isset($_POST['show_table_dimension']));
$this->setAllTablesSameWidth(isset($_POST['all_tables_same_width']));
$this->setWithDataDictionary($_POST['with_doc']);
$this->setOrientation($_POST['orientation']);
$this->setPaper($_POST['paper']);
$this->setExportType($_POST['export_type']);
// Initializes a new document
$pdf = new PMA_Schema_PDF($this->orientation, 'mm', $this->paper);
$pdf->SetTitle(sprintf(__('Schema of the %s database - Page %s'), $GLOBALS['db'], $this->pageNumber));
$pdf->setCMargin(0);
$pdf->Open();
$pdf->SetAutoPageBreak('auto');
$alltables = $this->getAllTables($db, $this->pageNumber);
if ($this->withDoc) {
$pdf->SetAutoPageBreak('auto', 15);
$pdf->setCMargin(1);
$this->dataDictionaryDoc($alltables);
$pdf->SetAutoPageBreak('auto');
$pdf->setCMargin(0);
}
$pdf->Addpage();
if ($this->withDoc) {
$pdf->SetLink($pdf->PMA_links['RT']['-'], -1);
$pdf->Bookmark(__('Relational schema'));
$pdf->SetAlias('{00}', $pdf->PageNo());
$this->_topMargin = 28;
$this->_bottomMargin = 28;
}
/* snip */
foreach ($alltables as $table) {
if (!isset($this->_tables[$table])) {
$this->_tables[$table] = new Table_Stats_Pdf($table, null, $this->pageNumber, $this->_tablewidth, $this->showKeys, $this->tableDimension);
}
if ($this->sameWide) {
$this->_tables[$table]->width = $this->_tablewidth;
}
$this->_setMinMax($this->_tables[$table]);
}
// Defines the scale factor
$this->_scale = ceil(max(($this->_xMax - $this->_xMin) / ($pdf->getPageWidth() - $this->_rightMargin - $this->_leftMargin), ($this->_yMax - $this->_yMin) / ($pdf->getPageHeight() - $this->_topMargin - $this->_bottomMargin)) * 100) / 100;
$pdf->setScale($this->_scale, $this->_xMin, $this->_yMin, $this->_leftMargin, $this->_topMargin);
// Builds and save the PDF document
$pdf->setLineWidthScale(0.1);
if ($this->showGrid) {
$pdf->SetFontSize(10);
$this->_strokeGrid();
}
$pdf->setFontSizeScale(14);
// previous logic was checking master tables and foreign tables
// but I think that looping on every table of the pdf page as a master
// and finding its foreigns is OK (then we can support innodb)
$seen_a_relation = false;
foreach ($alltables as $one_table) {
$exist_rel = PMA_getForeigners($db, $one_table, '', 'both');
if ($exist_rel) {
$seen_a_relation = true;
foreach ($exist_rel as $master_field => $rel) {
// put the foreign table on the schema only if selected
// by the user
// (do not use array_search() because we would have to
// to do a === false and this is not PHP3 compatible)
if (in_array($rel['foreign_table'], $alltables)) {
$this->_addRelation($one_table, $master_field, $rel['foreign_table'], $rel['foreign_field'], $this->tableDimension);
}
}
// end while
}
// end if
}
// end while
if ($seen_a_relation) {
$this->_drawRelations($this->showColor);
}
$this->_drawTables($this->showColor);
}