1 files changed, 163 insertions, 0 deletions
diff --git a/srcs/phpmyadmin/libraries/classes/Plugins/Schema/Pdf/RelationStatsPdf.php b/srcs/phpmyadmin/libraries/classes/Plugins/Schema/Pdf/RelationStatsPdf.php
new file mode 100644
index 0000000..b422ce5
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Plugins/Schema/Pdf/RelationStatsPdf.php
@@ -0,0 +1,163 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Contains PhpMyAdmin\Plugins\Schema\Pdf\RelationStatsPdf class
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Plugins\Schema\Pdf;
+
+use PhpMyAdmin\Plugins\Schema\RelationStats;
+
+/**
+ * Relation preferences/statistics
+ *
+ * This class fetches the table master and foreign fields positions
+ * and helps in generating the Table references and then connects
+ * master table's master field to foreign table's foreign key
+ * in PDF document.
+ *
+ * @name    Relation_Stats_Pdf
+ * @package PhpMyAdmin
+ * @see     PMA_Schema_PDF::SetDrawColor PMA_Schema_PDF::setLineWidthScale
+ *          Pdf::lineScale
+ */
+class RelationStatsPdf extends RelationStats
+{
+    /**
+     * The "PhpMyAdmin\Plugins\Schema\Pdf\RelationStatsPdf" constructor
+     *
+     * @param Pdf    $diagram       The PDF diagram
+     * @param string $master_table  The master table name
+     * @param string $master_field  The relation field in the master table
+     * @param string $foreign_table The foreign table name
+     * @param string $foreign_field The relation field in the foreign table
+     */
+    public function __construct(
+        $diagram,
+        $master_table,
+        $master_field,
+        $foreign_table,
+        $foreign_field
+    ) {
+        $this->wTick = 5;
+        parent::__construct(
+            $diagram,
+            $master_table,
+            $master_field,
+            $foreign_table,
+            $foreign_field
+        );
+    }
+
+    /**
+     * draws relation links and arrows shows foreign key relations
+     *
+     * @param boolean $showColor Whether to use one color per relation or not
+     * @param integer $i         The id of the link to draw
+     *
+     * @access public
+     *
+     * @return void
+     *
+     * @see    Pdf
+     */
+    public function relationDraw($showColor, $i)
+    {
+        if ($showColor) {
+            $d = $i % 6;
+            $j = ($i - $d) / 6;
+            $j %= 4;
+            $j++;
+            $case = [
+                [
+                    1,
+                    0,
+                    0,
+                ],
+                [
+                    0,
+                    1,
+                    0,
+                ],
+                [
+                    0,
+                    0,
+                    1,
+                ],
+                [
+                    1,
+                    1,
+                    0,
+                ],
+                [
+                    1,
+                    0,
+                    1,
+                ],
+                [
+                    0,
+                    1,
+                    1,
+                ],
+            ];
+            list ($a, $b, $c) = $case[$d];
+            $e = (1 - ($j - 1) / 6);
+            $this->diagram->SetDrawColor($a * 255 * $e, $b * 255 * $e, $c * 255 * $e);
+        } else {
+            $this->diagram->SetDrawColor(0);
+        }
+        $this->diagram->setLineWidthScale(0.2);
+        $this->diagram->lineScale(
+            $this->xSrc,
+            $this->ySrc,
+            $this->xSrc + $this->srcDir * $this->wTick,
+            $this->ySrc
+        );
+        $this->diagram->lineScale(
+            $this->xDest + $this->destDir * $this->wTick,
+            $this->yDest,
+            $this->xDest,
+            $this->yDest
+        );
+        $this->diagram->setLineWidthScale(0.1);
+        $this->diagram->lineScale(
+            $this->xSrc + $this->srcDir * $this->wTick,
+            $this->ySrc,
+            $this->xDest + $this->destDir * $this->wTick,
+            $this->yDest
+        );
+        /*
+         * Draws arrows ->
+        */
+        $root2 = 2 * sqrt(2);
+        $this->diagram->lineScale(
+            $this->xSrc + $this->srcDir * $this->wTick * 0.75,
+            $this->ySrc,
+            $this->xSrc + $this->srcDir * (0.75 - 1 / $root2) * $this->wTick,
+            $this->ySrc + $this->wTick / $root2
+        );
+        $this->diagram->lineScale(
+            $this->xSrc + $this->srcDir * $this->wTick * 0.75,
+            $this->ySrc,
+            $this->xSrc + $this->srcDir * (0.75 - 1 / $root2) * $this->wTick,
+            $this->ySrc - $this->wTick / $root2
+        );
+
+        $this->diagram->lineScale(
+            $this->xDest + $this->destDir * $this->wTick / 2,
+            $this->yDest,
+            $this->xDest + $this->destDir * (0.5 + 1 / $root2) * $this->wTick,
+            $this->yDest + $this->wTick / $root2
+        );
+        $this->diagram->lineScale(
+            $this->xDest + $this->destDir * $this->wTick / 2,
+            $this->yDest,
+            $this->xDest + $this->destDir * (0.5 + 1 / $root2) * $this->wTick,
+            $this->yDest - $this->wTick / $root2
+        );
+        $this->diagram->SetDrawColor(0);
+    }
+}