first commit

typo3/sysext/backend/Classes/Tree/Renderer/AbstractTreeRenderer.php

@@ -0,0 +1,48 @@
+<?php
+namespace TYPO3\CMS\Backend\Tree\Renderer;
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+/**
+ * Abstract Renderer
+ */
+abstract class AbstractTreeRenderer
+{
+    /**
+     * Renders a node recursive or just a single instance
+     *
+     * @param \TYPO3\CMS\Backend\Tree\TreeRepresentationNode $node
+     * @param bool $recursive
+     * @return mixed
+     */
+    abstract public function renderNode(\TYPO3\CMS\Backend\Tree\TreeRepresentationNode $node, $recursive = true);
+
+    /**
+     * Renders a node collection recursive or just a single instance
+     *
+     * @param \TYPO3\CMS\Backend\Tree\TreeNodeCollection $collection
+     * @param bool $recursive
+     * @return mixed
+     */
+    abstract public function renderNodeCollection(\TYPO3\CMS\Backend\Tree\TreeNodeCollection $collection, $recursive = true);
+
+    /**
+     * Renders an tree recursive or just a single instance
+     *
+     * @param \TYPO3\CMS\Backend\Tree\AbstractTree $tree
+     * @param bool $recursive
+     * @return mixed
+     */
+    abstract public function renderTree(\TYPO3\CMS\Backend\Tree\AbstractTree $tree, $recursive = true);
+}

typo3/sysext/backend/Classes/Tree/Renderer/UnorderedListTreeRenderer.php

@@ -0,0 +1,80 @@
+<?php
+namespace TYPO3\CMS\Backend\Tree\Renderer;
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+/**
+ * Renderer for unordered lists
+ */
+class UnorderedListTreeRenderer extends \TYPO3\CMS\Backend\Tree\Renderer\AbstractTreeRenderer
+{
+    /**
+     * recursion level
+     *
+     * @var int
+     */
+    protected $recursionLevel = 0;
+
+    /**
+     * Renders a node recursive or just a single instance
+     *
+     * @param \TYPO3\CMS\Backend\Tree\TreeRepresentationNode $node
+     * @param bool $recursive
+     * @return string
+     */
+    public function renderNode(\TYPO3\CMS\Backend\Tree\TreeRepresentationNode $node, $recursive = true)
+    {
+        $code = '<li><span class="' . htmlspecialchars($node->getIcon()) . '">&nbsp;</span>' . htmlspecialchars($node->getLabel());
+        if ($recursive && $node->getChildNodes() !== null) {
+            $this->recursionLevel++;
+            $code .= $this->renderNodeCollection($node->getChildNodes());
+            $this->recursionLevel--;
+        }
+        $code .= '</li>';
+        return $code;
+    }
+
+    /**
+     * Renders a node collection recursive or just a single instance
+     *
+     * @param \TYPO3\CMS\Backend\Tree\AbstractTree $tree
+     * @param bool $recursive
+     * @return string
+     */
+    public function renderTree(\TYPO3\CMS\Backend\Tree\AbstractTree $tree, $recursive = true)
+    {
+        $this->recursionLevel = 0;
+        $code = '<ul class="level' . $this->recursionLevel . '" style="margin-left:10px">';
+        $code .= $this->renderNode($tree->getRoot(), $recursive);
+        $code .= '</ul>';
+        return $code;
+    }
+
+    /**
+     * Renders an tree recursive or just a single instance
+     *
+     * @param \TYPO3\CMS\Backend\Tree\TreeNodeCollection $collection
+     * @param bool $recursive
+     * @return string
+     */
+    public function renderNodeCollection(\TYPO3\CMS\Backend\Tree\TreeNodeCollection $collection, $recursive = true)
+    {
+        $code = '<ul class="level' . $this->recursionLevel . '" style="margin-left:10px">';
+        foreach ($collection as $node) {
+            $code .= $this->renderNode($node, $recursive);
+        }
+        $code .= '</ul>';
+        return $code;
+    }
+}