From 6c92cf97aa33f0c7b8deea84f7b56cca2d2eb724 Mon Sep 17 00:00:00 2001
From: Hadi Nategh <hnategh@gmail.com>
Date: Fri, 23 Jun 2017 15:36:31 +0200
Subject: [PATCH] * Mail: implement preference to switch between horizontal and
 vertical preview pane

---
 mail/inc/class.mail_hooks.inc.php | 11 +++++++++++
 mail/inc/class.mail_ui.inc.php    |  4 ++++
 mail/templates/default/index.xet  |  2 +-
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/mail/inc/class.mail_hooks.inc.php b/mail/inc/class.mail_hooks.inc.php
index eea68b02c5..fcc93f97d0 100644
--- a/mail/inc/class.mail_hooks.inc.php
+++ b/mail/inc/class.mail_hooks.inc.php
@@ -367,6 +367,17 @@ class mail_hooks
 				),
 				'default' => 'expand'
 			),
+			'splitterOrientation' => array(
+				'type' => 'select',
+				'label' => 'Preview pan orientation',
+				'help' => 'Switch preview pane between vertical and horizontal views',
+				'name' => 'splitterOrientation',
+				'values' => array(
+					'h' => lang('Horizontal'),
+					'v' => lang('Vertical')
+				),
+				'default' => 'h'
+			)
 		);
 		if (!$GLOBALS['egw_info']['apps']['stylite']) unset($settingsArray['attachVCardAtCompose']);
 		return $settingsArray;
diff --git a/mail/inc/class.mail_ui.inc.php b/mail/inc/class.mail_ui.inc.php
index 6046489ac2..ed432e0426 100644
--- a/mail/inc/class.mail_ui.inc.php
+++ b/mail/inc/class.mail_ui.inc.php
@@ -594,6 +594,10 @@ class mail_ui
 		{
 			$etpl->setElementAttribute('splitter', 'template', 'mail.index.nosplitter');
 		}
+		elseif ($this->mail_bo->mailPreferences['splitterOrientation'])
+		{
+			$etpl->setElementAttribute('mailSplitter', 'orientation', $this->mail_bo->mailPreferences['splitterOrientation']);
+		}
 
 		return $etpl->exec('mail.mail_ui.index',$content,$sel_options,$readonlys,$preserv);
 	}
diff --git a/mail/templates/default/index.xet b/mail/templates/default/index.xet
index 8406218a0e..cf9368c3ef 100644
--- a/mail/templates/default/index.xet
+++ b/mail/templates/default/index.xet
@@ -3,7 +3,7 @@
 <!-- $Id$ -->
 <overlay>
 	<template id="mail.index.splitter" height="100%" template="" lang="" group="0" version="1.9.001">
-		<split dock_side="bottomDock" id="mailSplitter" orientation="h">
+		<split dock_side="bottomDock" id="mailSplitter">
 			<nextmatch id="nm" onselect="app.mail.mail_preview" template="mail.index.rows" header_left="mail.index.add" header_right="mail.index.header_right"/>
 			<vbox id="mailPreview" width="100%">
 				<box id="blank" disabled="false">