make the directory a dropdown list

make @brianteeman happy :)

plugins/editors/tinymce/field/uploaddirs.php

@@ -0,0 +1,74 @@
+<?php
+/**
+ * @package     Joomla.Plugin
+ * @subpackage  Editors.tinymce
+ *
+ * @copyright   Copyright (C) 2005 - 2017 Open Source Matters, Inc. All rights reserved.
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+defined('_JEXEC') or die;
+
+jimport('joomla.form.helper');
+
+JFormHelper::loadFieldClass('list');
+
+/**
+ * Generates the list of directories  available for drag and drop upload.
+ *
+ * @package     Joomla.Plugin
+ * @subpackage  Editors.tinymce
+ * @since       __DEPLOY_VERSION__
+ */
+class JFormFieldUploaddirs extends JFormFieldList
+{
+	protected $type = 'uploaddirs';
+
+	/**
+	 * Method to get the directories options.
+	 *
+	 * @return  array  The skins option objects.
+	 *
+	 * @since   __DEPLOY_VERSION__
+	 */
+	public function getOptions()
+	{
+		$options = array();
+		$root    = JComponentHelper::getParams('com_media')->get('image_path');
+
+
+		$directories = glob(JPATH_ROOT . '/' . $root . '/*', GLOB_ONLYDIR);
+
+		$options[] = JHtml::_('select.option', '', '');
+
+		for ($i = 0; $i < count($directories); ++$i)
+		{
+			$dir = basename($directories[$i]);
+			$options[] = JHtml::_('select.option', $i, $dir);
+		}
+
+		$options = array_merge(parent::getOptions(), $options);
+
+		return $options;
+	}
+
+	/**
+	 * Method to get the field input markup for the list of directories.
+	 *
+	 * @return  string  The field input markup.
+	 *
+	 * @since   __DEPLOY_VERSION__
+	 */
+	protected function getInput()
+	{
+		$html = array();
+
+		// Get the field options.
+		$options = (array) $this->getOptions();
+
+		// Create a regular list.
+		$html[] = JHtml::_('select.genericlist', $options, $this->name, '', 'value', 'text', $this->value, $this->id);
+
+		return implode($html);
+	}
+}

plugins/editors/tinymce/form/setoptions.xml

@@ -57,7 +57,7 @@
 
     <field
             name="path"
-            type="text"
+            type="uploaddirs"
             label="PLG_TINY_FIELD_CUSTOM_PATH_LABEL"
             description="PLG_TINY_FIELD_CUSTOM_PATH_DESC"
             class="input-xxlarge"

plugins/editors/tinymce/tinymce.php

@@ -600,7 +600,13 @@ public function onDisplay($name, $content, $width, $height, $col, $row, $buttons
 
 			if (!empty($tempPath))
 			{
-				$tempPath = ltrim(rtrim($tempPath, '/'));
+				// List the skins
+				$uplloadDirs = glob(JPATH_ROOT . '/' . JComponentHelper::getParams('com_media')->get('image_path') . '/*', GLOB_ONLYDIR);
+
+				if ((int) $tempPath < count($uplloadDirs))
+				{
+					$tempPath = basename($uplloadDirs[(int) $tempPath - 1]);
+				}
 			}
 
 			JText::script('PLG_TINY_ERR_UNSUPPORTEDBROWSER');