diff options
Diffstat (limited to 'srcs/phpmyadmin/libraries/classes/Plugins/Schema/Eps/EpsRelationSchema.php')
| -rw-r--r-- | srcs/phpmyadmin/libraries/classes/Plugins/Schema/Eps/EpsRelationSchema.php | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/srcs/phpmyadmin/libraries/classes/Plugins/Schema/Eps/EpsRelationSchema.php b/srcs/phpmyadmin/libraries/classes/Plugins/Schema/Eps/EpsRelationSchema.php new file mode 100644 index 0000000..238af1b --- /dev/null +++ b/srcs/phpmyadmin/libraries/classes/Plugins/Schema/Eps/EpsRelationSchema.php @@ -0,0 +1,254 @@ +<?php +/* vim: set expandtab sw=4 ts=4 sts=4: */ +/** + * Classes to create relation schema in EPS format. + * + * @package PhpMyAdmin + */ +declare(strict_types=1); + +namespace PhpMyAdmin\Plugins\Schema\Eps; + +use PhpMyAdmin\Plugins\Schema\Dia\RelationStatsDia; +use PhpMyAdmin\Plugins\Schema\Dia\TableStatsDia; +use PhpMyAdmin\Plugins\Schema\ExportRelationSchema; +use PhpMyAdmin\Plugins\Schema\Pdf\TableStatsPdf; +use PhpMyAdmin\Plugins\Schema\Svg\TableStatsSvg; +use PhpMyAdmin\Relation; + +/** + * EPS Relation Schema Class + * + * Purpose of this class is to generate the EPS Document + * which is used for representing the database diagrams. + * This class uses post script commands and with + * the combination of these commands actually helps in preparing EPS Document. + * + * This class inherits ExportRelationSchema class has common functionality added + * to this class + * + * @package PhpMyAdmin + * @name Eps_Relation_Schema + */ +class EpsRelationSchema extends ExportRelationSchema +{ + /** + * @var TableStatsDia[]|TableStatsEps[]|TableStatsPdf[]|TableStatsSvg[] + */ + private $_tables = []; + + /** @var RelationStatsEps[] Relations */ + private $_relations = []; + + private $_tablewidth; + + /** + * The "PMA_EPS_Relation_Schema" constructor + * + * Upon instantiation This starts writing the EPS document + * user will be prompted for download as .eps extension + * + * @param string $db database name + * + * @see PMA_EPS + */ + public function __construct($db) + { + parent::__construct($db, new Eps()); + + $this->setShowColor(isset($_REQUEST['eps_show_color'])); + $this->setShowKeys(isset($_REQUEST['eps_show_keys'])); + $this->setTableDimension(isset($_REQUEST['eps_show_table_dimension'])); + $this->setAllTablesSameWidth(isset($_REQUEST['eps_all_tables_same_width'])); + $this->setOrientation($_REQUEST['eps_orientation']); + + $this->diagram->setTitle( + sprintf( + __('Schema of the %s database - Page %s'), + $this->db, + $this->pageNumber + ) + ); + $this->diagram->setAuthor('phpMyAdmin ' . PMA_VERSION); + $this->diagram->setDate(date("j F Y, g:i a")); + $this->diagram->setOrientation($this->orientation); + $this->diagram->setFont('Verdana', '10'); + + $alltables = $this->getTablesFromRequest(); + + foreach ($alltables as $table) { + if (! isset($this->_tables[$table])) { + $this->_tables[$table] = new TableStatsEps( + $this->diagram, + $this->db, + $table, + $this->diagram->getFont(), + $this->diagram->getFontSize(), + $this->pageNumber, + $this->_tablewidth, + $this->showKeys, + $this->tableDimension, + $this->offline + ); + } + + if ($this->sameWide) { + $this->_tables[$table]->width = $this->_tablewidth; + } + } + + $seen_a_relation = false; + foreach ($alltables as $one_table) { + $exist_rel = $this->relation->getForeigners($this->db, $one_table, '', 'both'); + if (! $exist_rel) { + continue; + } + + $seen_a_relation = true; + foreach ($exist_rel as $master_field => $rel) { + /* put the foreign table on the schema only if selected + * by the user + * (do not use array_search() because we would have to + * to do a === false and this is not PHP3 compatible) + */ + if ($master_field != 'foreign_keys_data') { + if (in_array($rel['foreign_table'], $alltables)) { + $this->_addRelation( + $one_table, + $this->diagram->getFont(), + $this->diagram->getFontSize(), + $master_field, + $rel['foreign_table'], + $rel['foreign_field'], + $this->tableDimension + ); + } + continue; + } + + foreach ($rel as $one_key) { + if (! in_array($one_key['ref_table_name'], $alltables)) { + continue; + } + + foreach ($one_key['index_list'] as $index => $one_field) { + $this->_addRelation( + $one_table, + $this->diagram->getFont(), + $this->diagram->getFontSize(), + $one_field, + $one_key['ref_table_name'], + $one_key['ref_index_list'][$index], + $this->tableDimension + ); + } + } + } + } + if ($seen_a_relation) { + $this->_drawRelations(); + } + + $this->_drawTables(); + $this->diagram->endEpsDoc(); + } + + /** + * Output Eps Document for download + * + * @return void + */ + public function showOutput() + { + $this->diagram->showOutput($this->getFileName('.eps')); + } + + /** + * Defines relation objects + * + * @param string $masterTable The master table name + * @param string $font The font + * @param int $fontSize The font size + * @param string $masterField The relation field in the master table + * @param string $foreignTable The foreign table name + * @param string $foreignField The relation field in the foreign table + * @param boolean $tableDimension Whether to display table position or not + * + * @return void + * + * @see _setMinMax,Table_Stats_Eps::__construct(), + * PhpMyAdmin\Plugins\Schema\Eps\RelationStatsEps::__construct() + */ + private function _addRelation( + $masterTable, + $font, + $fontSize, + $masterField, + $foreignTable, + $foreignField, + $tableDimension + ) { + if (! isset($this->_tables[$masterTable])) { + $this->_tables[$masterTable] = new TableStatsEps( + $this->diagram, + $this->db, + $masterTable, + $font, + $fontSize, + $this->pageNumber, + $this->_tablewidth, + false, + $tableDimension + ); + } + if (! isset($this->_tables[$foreignTable])) { + $this->_tables[$foreignTable] = new TableStatsEps( + $this->diagram, + $this->db, + $foreignTable, + $font, + $fontSize, + $this->pageNumber, + $this->_tablewidth, + false, + $tableDimension + ); + } + $this->_relations[] = new RelationStatsEps( + $this->diagram, + $this->_tables[$masterTable], + $masterField, + $this->_tables[$foreignTable], + $foreignField + ); + } + + /** + * Draws relation arrows and lines connects master table's master field to + * foreign table's foreign field + * + * @return void + * + * @see Relation_Stats_Eps::relationDraw() + */ + private function _drawRelations() + { + foreach ($this->_relations as $relation) { + $relation->relationDraw(); + } + } + + /** + * Draws tables + * + * @return void + * + * @see Table_Stats_Eps::Table_Stats_tableDraw() + */ + private function _drawTables() + { + foreach ($this->_tables as $table) { + $table->tableDraw($this->showColor); + } + } +} |