From 04d6d5ca99ebfd1cebb8ce06618fb3811fc1a8aa Mon Sep 17 00:00:00 2001
From: Charles <sircharlesaze@gmail.com>
Date: Thu, 9 Jan 2020 10:55:03 +0100
Subject: phpmyadmin working

---
 .../Plugins/Schema/Dia/DiaRelationSchema.php       | 238 +++++++++++++++++++++
 1 file changed, 238 insertions(+)
 create mode 100644 srcs/phpmyadmin/libraries/classes/Plugins/Schema/Dia/DiaRelationSchema.php

(limited to 'srcs/phpmyadmin/libraries/classes/Plugins/Schema/Dia/DiaRelationSchema.php')

diff --git a/srcs/phpmyadmin/libraries/classes/Plugins/Schema/Dia/DiaRelationSchema.php b/srcs/phpmyadmin/libraries/classes/Plugins/Schema/Dia/DiaRelationSchema.php
new file mode 100644
index 0000000..ee04f0d
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Plugins/Schema/Dia/DiaRelationSchema.php
@@ -0,0 +1,238 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Classes to create relation schema in Dia format.
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Plugins\Schema\Dia;
+
+use PhpMyAdmin\Plugins\Schema\Dia\TableStatsDia;
+use PhpMyAdmin\Plugins\Schema\Eps\TableStatsEps;
+use PhpMyAdmin\Plugins\Schema\ExportRelationSchema;
+use PhpMyAdmin\Plugins\Schema\Pdf\TableStatsPdf;
+use PhpMyAdmin\Plugins\Schema\Svg\TableStatsSvg;
+use PhpMyAdmin\Relation;
+
+/**
+ * Dia Relation Schema Class
+ *
+ * Purpose of this class is to generate the Dia XML Document
+ * which is used for representing the database diagrams in Dia IDE
+ * This class uses Database Table and Reference Objects of Dia and with
+ * the combination of these objects actually helps in preparing Dia XML.
+ *
+ * Dia XML is generated by using XMLWriter php extension and this class
+ * inherits ExportRelationSchema class has common functionality added
+ * to this class
+ *
+ * @package PhpMyAdmin
+ * @name    Dia_Relation_Schema
+ */
+class DiaRelationSchema extends ExportRelationSchema
+{
+    /**
+     * @var TableStatsDia[]|TableStatsEps[]|TableStatsPdf[]|TableStatsSvg[]
+     */
+    private $_tables = [];
+    /** @var RelationStatsDia[] Relations */
+    private $_relations = [];
+    private $_topMargin = 2.8222000598907471;
+    private $_bottomMargin = 2.8222000598907471;
+    private $_leftMargin = 2.8222000598907471;
+    private $_rightMargin = 2.8222000598907471;
+    public static $objectId = 0;
+
+    /**
+     * The "PhpMyAdmin\Plugins\Schema\Dia\DiaRelationSchema" constructor
+     *
+     * Upon instantiation This outputs the Dia XML document
+     * that user can download
+     *
+     * @param string $db database name
+     *
+     * @see Dia,TableStatsDia,RelationStatsDia
+     */
+    public function __construct($db)
+    {
+        parent::__construct($db, new Dia());
+
+        $this->setShowColor(isset($_REQUEST['dia_show_color']));
+        $this->setShowKeys(isset($_REQUEST['dia_show_keys']));
+        $this->setOrientation($_REQUEST['dia_orientation']);
+        $this->setPaper($_REQUEST['dia_paper']);
+
+        $this->diagram->startDiaDoc(
+            $this->paper,
+            $this->_topMargin,
+            $this->_bottomMargin,
+            $this->_leftMargin,
+            $this->_rightMargin,
+            $this->orientation
+        );
+
+        $alltables = $this->getTablesFromRequest();
+
+        foreach ($alltables as $table) {
+            if (! isset($this->_tables[$table])) {
+                $this->_tables[$table] = new TableStatsDia(
+                    $this->diagram,
+                    $this->db,
+                    $table,
+                    $this->pageNumber,
+                    $this->showKeys,
+                    $this->offline
+                );
+            }
+        }
+
+        $seen_a_relation = false;
+        foreach ($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,
+                            $master_field,
+                            $rel['foreign_table'],
+                            $rel['foreign_field'],
+                            $this->showKeys
+                        );
+                    }
+                    continue;
+                }
+
+                foreach ($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,
+                            $one_field,
+                            $one_key['ref_table_name'],
+                            $one_key['ref_index_list'][$index],
+                            $this->showKeys
+                        );
+                    }
+                }
+            }
+        }
+        $this->_drawTables();
+
+        if ($seen_a_relation) {
+            $this->_drawRelations();
+        }
+        $this->diagram->endDiaDoc();
+    }
+
+    /**
+     * Output Dia Document for download
+     *
+     * @return void
+     * @access public
+     */
+    public function showOutput()
+    {
+        $this->diagram->showOutput($this->getFileName('.dia'));
+    }
+
+    /**
+     * Defines relation objects
+     *
+     * @param string $masterTable  The master table name
+     * @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 bool   $showKeys     Whether to display ONLY keys or not
+     *
+     * @return void
+     *
+     * @access private
+     * @see    TableStatsDia::__construct(),RelationStatsDia::__construct()
+     */
+    private function _addRelation(
+        $masterTable,
+        $masterField,
+        $foreignTable,
+        $foreignField,
+        $showKeys
+    ) {
+        if (! isset($this->_tables[$masterTable])) {
+            $this->_tables[$masterTable] = new TableStatsDia(
+                $this->diagram,
+                $this->db,
+                $masterTable,
+                $this->pageNumber,
+                $showKeys
+            );
+        }
+        if (! isset($this->_tables[$foreignTable])) {
+            $this->_tables[$foreignTable] = new TableStatsDia(
+                $this->diagram,
+                $this->db,
+                $foreignTable,
+                $this->pageNumber,
+                $showKeys
+            );
+        }
+        $this->_relations[] = new RelationStatsDia(
+            $this->diagram,
+            $this->_tables[$masterTable],
+            $masterField,
+            $this->_tables[$foreignTable],
+            $foreignField
+        );
+    }
+
+    /**
+     * Draws relation references
+     *
+     * connects master table's master field to
+     * foreign table's foreign field using Dia object
+     * type Database - Reference
+     *
+     * @return void
+     *
+     * @access private
+     * @see    RelationStatsDia::relationDraw()
+     */
+    private function _drawRelations()
+    {
+        foreach ($this->_relations as $relation) {
+            $relation->relationDraw($this->showColor);
+        }
+    }
+
+    /**
+     * Draws tables
+     *
+     * Tables are generated using Dia object type Database - Table
+     * primary fields are underlined and bold in tables
+     *
+     * @return void
+     *
+     * @access private
+     * @see    TableStatsDia::tableDraw()
+     */
+    private function _drawTables()
+    {
+        foreach ($this->_tables as $table) {
+            $table->tableDraw($this->showColor);
+        }
+    }
+}
-- 
cgit