add theme license description and buy button

composer.json

@@ -28,7 +28,10 @@
   "autoload": {
     "psr-4": {
       "Pdir\\ThemeHelperBundle\\": "src"
-    }
+    },
+    "classmap": [
+      "src/Resources/contao/"
+    ]
   },
   "extra": {
     "contao-manager-plugin": "Pdir\\ThemeHelperBundle\\ContaoManager\\Plugin"

src/Resources/contao/dca/tl_theme.php

@@ -0,0 +1,87 @@
+<?php
+
+/*
+ * Replace label function
+ */
+$GLOBALS['TL_DCA']['tl_theme']['list']['label']['label_callback'] = array('tl_theme_extended', 'addPreviewImageAndDesc');
+
+/*
+ * add fields to pallet
+ */
+$GLOBALS['TL_DCA']['tl_theme']['palettes']['default'] = str_replace
+(
+	',author',
+	',author,pdir_th_description,pdir_th_license_domain',
+	$GLOBALS['TL_DCA']['tl_theme']['palettes']['default']
+);
+
+/**
+ * Add fields to tl_theme
+ */
+$GLOBALS['TL_DCA']['tl_theme']['fields']['pdir_th_description'] = array
+(
+	'label' => &$GLOBALS['TL_LANG']['tl_theme']['pdir_th_description'],
+	'exclude' => true,
+	'search' => false,
+	'sorting' => false,
+	'inputType' => 'textarea',
+	'eval' => array('readonly' => false),
+	'sql' => "mediumtext NULL"
+);
+
+$GLOBALS['TL_DCA']['tl_theme']['fields']['pdir_th_license_domain'] = array
+(
+	'label'                   => &$GLOBALS['TL_LANG']['tl_theme']['pdir_th_license_domain'],
+	'exclude'                 => true,
+	'inputType'               => 'text',
+	'eval'                    => array('tl_class' => 'w50', 'maxlength'=> 128),
+	'sql'                     => "varchar(128) NOT NULL default ''"
+);
+
+class tl_theme_extended extends tl_theme
+{
+	/**
+	 * Add an image and a description to each record
+	 *
+	 * @param array $row
+	 * @param string $label
+	 *
+	 * @return string
+	 */
+	public function addPreviewImageAndDesc($row, $label)
+	{
+		// add buy action if needed
+		if ($row['pdir_th_description'] != '')
+		{
+			$label = '<span><img src="bundles/system/modules/theme_installer/assets/img/buy_theme.png" title="' . $GLOBALS['TL_LANG']['tl_theme']['buyTheme'] . '"' .
+				' onclick="Backend.getScrollOffset();Backend.openModalSelector({\'width\':768,\'title\':\'' . $GLOBALS['TL_LANG']['MSC']['buyThemeButtonTitle'] . '\',\'url\':\'https://contao-themes.net/buy-mate.html\',\'id\':\'buyTheme\'});return false"' .
+				' style="position:absolute;margin:10px 0;"></span>' . $label;
+		}
+
+		// add image
+		$label = $this->addPreviewImage($row, $label);
+
+		// add theme and license description
+		if ($row['pdir_th_description'] != '')
+		{
+			// add info icon
+			$html = '<i class="icon" onmouseover="document.getElementById(\'themeDesc\').style.display = \'block\'"'.
+				' onmouseout="document.getElementById(\'themeDesc\').style.display = \'none\'"'.
+				' style="color:#fff;border-radius:50%;font-weight:bold;padding:3px;border:1px solid #649d9a;background:#649d9a;margin-left:5px;">i</i>';
+
+			// license status
+			if($row['pdir_th_license_domain'] != '')
+				$html .= $GLOBALS['TL_LANG']['tl_theme']['pdir_th_payed_license_text'] . $row['pdir_th_license_domain'] .'<br>';
+			else
+				$html .= $GLOBALS['TL_LANG']['tl_theme']['pdir_th_license_text'] . '<br>';
+
+			// desc
+			$html .= '<div id="themeDesc" style="display:none;">';
+			$html .= \StringUtil::decodeEntities($row['pdir_th_description']);
+			$html .= '</div>';
+			$label = $label . $html;
+		}
+
+		return $label;
+	}
+}

src/Resources/contao/language/de/default.php

@@ -0,0 +1,15 @@
+<?php
+
+// theme helper tags
+$GLOBALS['TL_LANG']['tl_article']['pdir_th_tag'] = array('Theme Helper Tag', 'Bitte wählen Sie einen Theme Helper Tag um den Inhalt dieses Artikels als Insert Tag zu nutzen.');
+
+// theme desc & license
+$GLOBALS['TL_LANG']['tl_theme']['pdir_th_description'] = array('Beschreibung', 'Die Theme Beschreibung wird durch die Theme Einstellungen vorgegeben.');
+$GLOBALS['TL_LANG']['tl_theme']['pdir_th_license_domain'] = array('Theme lizensiert für', 'Dieser Theme wurde für diese Domain kostenpflichtig lizensiert.');
+$GLOBALS['TL_LANG']['tl_theme']['pdir_th_license_text'] = ' // Copyright-Link darf nicht entfernt werden.';
+$GLOBALS['TL_LANG']['tl_theme']['pdir_th_payed_license_text'] = ' // kostenpflichtig registriert für ';
+
+$GLOBALS['TL_LANG']['tl_theme']['buyTheme'] = 'Kostenpflichtige Lizenz kaufen.';
+$GLOBALS['TL_LANG']['MSC']['buyThemeConfirm'] = 'Möchten Sie für diesen Theme eine kostenplichtige Lizenz erwerben?';
+$GLOBALS['TL_LANG']['MSC']['buyThemeButtonTitle'] = 'Theme Lizenz kaufen';
+

src/Resources/contao/language/en/default.php

@@ -0,0 +1,14 @@
+<?php
+
+// theme helper tags
+$GLOBALS['TL_LANG']['tl_article']['pdir_th_tag'] = array('Theme Helper Tag', 'Please select a theme helper tag to use content of this article as insert tag.');
+
+// theme desc & license
+$GLOBALS['TL_LANG']['tl_theme']['pdir_th_description'] = array('Theme description', 'The theme description is provided by theme config.');
+$GLOBALS['TL_LANG']['tl_theme']['pdir_th_license_domain'] = array('Theme license for', 'This theme has a paid license for this domain.');
+$GLOBALS['TL_LANG']['tl_theme']['pdir_th_license_text'] = ' // leave copyright license';
+$GLOBALS['TL_LANG']['tl_theme']['pdir_th_payed_license_text'] = ' // paid license for ';
+
+$GLOBALS['TL_LANG']['tl_theme']['buyTheme'] = 'Buy paid license.';
+$GLOBALS['TL_LANG']['MSC']['buyThemeConfirm'] = 'Do you want to buy a paid license for this theme?';
+$GLOBALS['TL_LANG']['MSC']['buyThemeButtonTitle'] = 'Buy theme license';