Added a simple system for treeViews.

src/Helpers/TreeViewNode.php

@@ -0,0 +1,118 @@
+<?php
+/**
+ * part-db version 0.1
+ * Copyright (C) 2005 Christoph Lechner
+ * http://www.cl-projects.de/.
+ *
+ * part-db version 0.2+
+ * Copyright (C) 2009 K. Jacobs and others (see authors.php)
+ * http://code.google.com/p/part-db/
+ *
+ * Part-DB Version 0.4+
+ * Copyright (C) 2016 - 2019 Jan Böhmer
+ * https://github.com/jbtronics
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+namespace App\Helpers;
+
+/**
+ * This class represents a node for the bootstrap treeview node.
+ * When you serialize an array of these objects to JSON, you can use the serialized data in data for the treeview.
+ * @package App\Helpers
+ */
+class TreeViewNode
+{
+    protected $text;
+    protected $href;
+    protected $nodes;
+
+    /**
+     * Creates a new TreeView node with the given parameters.
+     * @param string $text The text that is shown in the node. (e.g. the name of the node)
+     * @param string|null $href A link for the node. You have to activate "enableLinks" option in init of the treeview.
+     *                          Set this to null, if no href should be used.
+     * @param array|null $nodes An array containing other TreeViewNodes. They will be used as children nodes of the
+     *                          newly created nodes. Set to null, if it should not have children.
+     */
+    public function __construct(string $text, ?string $href = null, ?array $nodes = null)
+    {
+        $this->text = $text;
+        $this->href = $href;
+        $this->nodes = $nodes;
+    }
+
+    /**
+     * Returns the node text.
+     * @return string
+     */
+    public function getText(): string
+    {
+        return $this->text;
+    }
+
+    /**
+     * Sets the node text
+     * @param string $text The new node text.
+     * @return TreeViewNode
+     */
+    public function setText(string $text): self
+    {
+        $this->text = $text;
+        return $this;
+    }
+
+    /**
+     * Returns the href link.
+     * @return string|null
+     */
+    public function getHref(): ?string
+    {
+        return $this->href;
+    }
+
+    /**
+     * Sets the href link.
+     * @param string|null $href The new href link.
+     * @return TreeViewNode
+     */
+    public function setHref(?string $href): self
+    {
+        $this->href = $href;
+        return $this;
+    }
+
+    /**
+     * Returns the children nodes of this node.
+     * @return array|null
+     */
+    public function getNodes(): ?array
+    {
+        return $this->nodes;
+    }
+
+    /**
+     * Sets the children nodes.
+     * @param array|null $nodes The new children nodes
+     * @return TreeViewNode
+     */
+    public function setNodes(?array $nodes): self
+    {
+        $this->nodes = $nodes;
+        return $this;
+    }
+
+}