Index: classes/preview/class.tx_templavoila_preview_type_bullets.php
===================================================================
---  classes/preview/class.tx_templavoila_preview_type_bullets.php (revision 36219)
+++  classes/preview/class.tx_templavoila_preview_type_bullets.php (working copy)
@@ -34,12 +34,21 @@ class tx_templavoila_preview_type_bullets extends tx_templavoila_preview_type_te
 	 * @see classes/preview/tx_templavoila_preview_type_text#getPreviewData($row)
 	 */
 	protected function getPreviewData($row) {
-
+		if (isset($this->parentObj->modTSconfig['properties']['previewDataMaxLen'])) {
+			$max = intval($this->parentObj->modTSconfig['properties']['previewDataMaxLen']);
+		} else {
+			$max = 2000;
+		}
 		$htmlBullets = '';
 		$bulletsArr = explode ("\n", $this->preparePreviewData($row['bodytext']));
 		if (is_array ($bulletsArr)) {
 			foreach ($bulletsArr as $listItem) {
-				$htmlBullets .= '<li>' . htmlspecialchars(trim(strip_tags($listItem))) . '</li>';
+				$processedItem = t3lib_div::fixed_lgd_cs(trim(strip_tags($listItem)), $max);
+				$max -= strlen($processedItem);
+				$htmlBullets .= '<li>' . htmlspecialchars($processedItem) . '</li>';
+				if (!$max) {
+					break;
+				}
 			}
 		}
 		return '<ul>' . $htmlBullets . '</ul>';
Index: classes/preview/class.tx_templavoila_preview_type_html.php
===================================================================
---  classes/preview/class.tx_templavoila_preview_type_html.php (revision 36219)
+++  classes/preview/class.tx_templavoila_preview_type_html.php (working copy)
@@ -32,7 +32,7 @@ class tx_templavoila_preview_type_html extends tx_templavoila_preview_type_text
 	 * @see classes/preview/tx_templavoila_preview_type_text#getPreviewData($row)
 	 */
 	protected function getPreviewData($row) {
-		return $this->preparePreviewData($row[$this->previewField], 2000, FALSE);
+		return $this->preparePreviewData($row[$this->previewField], null, FALSE);
 	}
 }
 
Index: classes/preview/class.tx_templavoila_preview_type_list.php
===================================================================
---  classes/preview/class.tx_templavoila_preview_type_list.php (revision 36219)
+++  classes/preview/class.tx_templavoila_preview_type_list.php (working copy)
@@ -35,6 +35,7 @@ class tx_templavoila_preview_type_list extends tx_templavoila_preview_type_text
 	 */
 	protected function getPreviewData($row) {
 
+		$this->parentObj = $ref;
 		$info = htmlspecialchars($GLOBALS['LANG']->sL(t3lib_BEfunc::getLabelFromItemlist('tt_content','list_type',$row['list_type'])));
 		$info .= ' &ndash; ';
 		$info .= htmlspecialchars($this->getExtraInfo($row));
Index: classes/preview/class.tx_templavoila_preview_type_text.php
===================================================================
---  classes/preview/class.tx_templavoila_preview_type_text.php (revision 36219)
+++  classes/preview/class.tx_templavoila_preview_type_text.php (working copy)
@@ -27,6 +27,8 @@ class tx_templavoila_preview_type_text {
 
 	protected $previewField = 'bodytext';
 
+	protected $parentObj;
+
 	/**
 	 *
 	 * @param array $row
@@ -37,6 +39,7 @@ class tx_templavoila_preview_type_text {
 	 * @return string
 	 */
 	public function render_previewContent ($row, $table, $output, $alreadyRendered, &$ref) {
+		$this->parentObj = $ref;
 		$label = $this->getPreviewLabel();
 		$data = $this->getPreviewData($row);
 		if ($ref->currentElementBelongsToCurrentPage) {
@@ -71,10 +74,14 @@ class tx_templavoila_preview_type_text {
 	 * @param	boolean		$stripTags: HTML-blocks usually keep their tags
 	 * @return	string		the properly prepared string
 	 */
-	protected function preparePreviewData($str, $max = 2000, $stripTags = true) {
+	protected function preparePreviewData($str, $max = null, $stripTags = true) {
 			//Enable to omit that parameter
 		if ($max === null) {
-			$max = 2000;
+			if (isset($this->parentObj->modTSconfig['properties']['previewDataMaxLen'])) {
+				$max = intval($this->parentObj->modTSconfig['properties']['previewDataMaxLen']);
+			} else {
+				$max = 2000;
+			}
 		}
 		if ($stripTags) {
 				//remove tags but avoid that the output is concatinated without spaces (#8375)
Index: classes/preview/class.tx_templavoila_preview_type_textpic.php
===================================================================
---  classes/preview/class.tx_templavoila_preview_type_textpic.php (revision 36219)
+++  classes/preview/class.tx_templavoila_preview_type_textpic.php (working copy)
@@ -35,6 +35,7 @@ class tx_templavoila_preview_type_textpic extends tx_templavoila_preview_type_te
 	 */
 	public function render_previewContent ($row, $table, $output, $alreadyRendered, &$ref) {
 
+		$this->parentObj = $ref;
 		$thumbnail = '<strong>'.$GLOBALS['LANG']->sL(t3lib_BEfunc::getItemLabel('tt_content','image'),1).'</strong><br />';
 		$thumbnail .= t3lib_BEfunc::thumbCode($row, 'tt_content', 'image', $ref->doc->backPath);