Allow to put parameters in different groups.

src/Entity/Parameters/AbstractParameter.php

@@ -28,6 +28,7 @@ use App\Entity\Base\AbstractNamedDBElement;
 use Doctrine\ORM\Mapping as ORM;
 use InvalidArgumentException;
 use LogicException;
+use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 use Symfony\Component\Validator\Constraints as Assert;
 
 /**
@@ -211,6 +212,26 @@ abstract class AbstractParameter extends AbstractNamedDBElement
         return $this;
     }
 
+    /**
+     * Returns the name of the group this parameter is associated to (e.g. Technical Parameters)
+     * @return string
+     */
+    public function getGroup(): string
+    {
+        return $this->group;
+    }
+
+    /**
+     * Sets the name of the group this parameter is associated to.
+     * @param  string  $group
+     * @return $this
+     */
+    public function setGroup(string $group): self
+    {
+        $this->group = $group;
+        return $this;
+    }
+
     /**
      * Returns the mathematical symbol for this specification (e.g. "V_CB").
      *

src/Entity/Parameters/AttachmentTypeParameter.php

@@ -25,9 +25,11 @@ namespace App\Entity\Parameters;
 
 use App\Entity\Attachments\AttachmentType;
 use Doctrine\ORM\Mapping as ORM;
+use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 
 /**
  * @ORM\Entity()
+ * @UniqueEntity(fields={"name", "group", "element"})
  */
 class AttachmentTypeParameter extends AbstractParameter
 {

src/Entity/Parameters/CategoryParameter.php

@@ -25,9 +25,11 @@ namespace App\Entity\Parameters;
 
 use App\Entity\Parts\Category;
 use Doctrine\ORM\Mapping as ORM;
+use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 
 /**
  * @ORM\Entity()
+ * @UniqueEntity(fields={"name", "group", "element"})
  */
 class CategoryParameter extends AbstractParameter
 {

src/Entity/Parameters/CurrencyParameter.php

@@ -25,11 +25,13 @@ namespace App\Entity\Parameters;
 
 use App\Entity\PriceInformations\Currency;
 use Doctrine\ORM\Mapping as ORM;
+use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 
 /**
  * A attachment attached to a category element.
  *
  * @ORM\Entity()
+ * @UniqueEntity(fields={"name", "group", "element"})
  */
 class CurrencyParameter extends AbstractParameter
 {

src/Entity/Parameters/DeviceParameter.php

@@ -25,9 +25,11 @@ namespace App\Entity\Parameters;
 
 use App\Entity\Devices\Device;
 use Doctrine\ORM\Mapping as ORM;
+use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 
 /**
  * @ORM\Entity()
+ * @UniqueEntity(fields={"name", "group", "element"})
  */
 class DeviceParameter extends AbstractParameter
 {

src/Entity/Parameters/FootprintParameter.php

@@ -25,9 +25,11 @@ namespace App\Entity\Parameters;
 
 use App\Entity\Parts\Footprint;
 use Doctrine\ORM\Mapping as ORM;
+use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 
 /**
  * @ORM\Entity()
+ * @UniqueEntity(fields={"name", "group", "element"})
  */
 class FootprintParameter extends AbstractParameter
 {

src/Entity/Parameters/GroupParameter.php

@@ -25,9 +25,11 @@ namespace App\Entity\Parameters;
 
 use App\Entity\UserSystem\Group;
 use Doctrine\ORM\Mapping as ORM;
+use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 
 /**
  * @ORM\Entity()
+ * @UniqueEntity(fields={"name", "group", "element"})
  */
 class GroupParameter extends AbstractParameter
 {

src/Entity/Parameters/ManufacturerParameter.php

@@ -25,9 +25,11 @@ namespace App\Entity\Parameters;
 
 use App\Entity\Parts\Manufacturer;
 use Doctrine\ORM\Mapping as ORM;
+use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 
 /**
  * @ORM\Entity()
+ * @UniqueEntity(fields={"name", "group", "element"})
  */
 class ManufacturerParameter extends AbstractParameter
 {

src/Entity/Parameters/MeasurementUnitParameter.php

@@ -25,9 +25,11 @@ namespace App\Entity\Parameters;
 
 use App\Entity\Parts\MeasurementUnit;
 use Doctrine\ORM\Mapping as ORM;
+use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 
 /**
  * @ORM\Entity()
+ * @UniqueEntity(fields={"name", "group", "element"})
  */
 class MeasurementUnitParameter extends AbstractParameter
 {

src/Entity/Parameters/ParametersTrait.php

@@ -65,4 +65,14 @@ trait ParametersTrait
 
         return $this;
     }
+
+    public function getGroupedParameters(): array
+    {
+        $tmp = [];
+
+        foreach ($this->parameters as $parameter) {
+            $tmp[$parameter->getGroup()][] = $parameter;
+        }
+        return $tmp;
+    }
 }

src/Entity/Parameters/PartParameter.php

@@ -25,9 +25,11 @@ namespace App\Entity\Parameters;
 
 use App\Entity\Parts\Part;
 use Doctrine\ORM\Mapping as ORM;
+use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 
 /**
  * @ORM\Entity()
+ * @UniqueEntity(fields={"name", "group", "element"})
  */
 class PartParameter extends AbstractParameter
 {

src/Entity/Parameters/StorelocationParameter.php

@@ -25,9 +25,11 @@ namespace App\Entity\Parameters;
 
 use App\Entity\Parts\Storelocation;
 use Doctrine\ORM\Mapping as ORM;
+use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 
 /**
  * @ORM\Entity()
+ * @UniqueEntity(fields={"name", "group", "element"})
  */
 class StorelocationParameter extends AbstractParameter
 {

src/Entity/Parameters/SupplierParameter.php

@@ -25,9 +25,11 @@ namespace App\Entity\Parameters;
 
 use App\Entity\Parts\Supplier;
 use Doctrine\ORM\Mapping as ORM;
+use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 
 /**
  * @ORM\Entity()
+ * @UniqueEntity(fields={"name", "group", "element"})
  */
 class SupplierParameter extends AbstractParameter
 {