add a minversion to the theme and fallback to default if requirement is not met. mark incompatible themes in the theme selector

3 files changed, 18 insertions, 5 deletions

diff --git a/Zotlabs/Module/Admin/Site.php b/Zotlabs/Module/Admin/Site.php
index 829ca71e4..3bb384ec5 100644
--- a/Zotlabs/Module/Admin/Site.php
+++ b/Zotlabs/Module/Admin/Site.php
@@ -163,6 +163,13 @@ class Site {
 			foreach($files as $file) {
 				$vars = '';
 				$f = basename($file);
+
+				$min_version = ((file_exists('view/theme/' . $f . '/.MINVERSION')) ? file_get_contents('view/theme/' . $f . '/.MINVERSION') : 0);
+				if((version_compare($min_version, STD_VERSION, '>=')) || ($min_version == 0)) {
+					$theme_choices[$f] = $theme_choices_mobile[$f] = sprintf(t('%s - (Incompatible)'), $f);
+					continue;
+				}
+
 				if (file_exists($file . '/library'))
 					continue;
 				if (file_exists($file . '/mobile'))
@@ -310,4 +317,4 @@ class Site {
 		));
 	}
 
-}
\ No newline at end of file
+}
diff --git a/Zotlabs/Module/Admin/Themes.php b/Zotlabs/Module/Admin/Themes.php
index 63a9a1670..fc908ec8b 100644
--- a/Zotlabs/Module/Admin/Themes.php
+++ b/Zotlabs/Module/Admin/Themes.php
@@ -230,4 +230,4 @@ class Themes {
 
 
 
-}
\ No newline at end of file
+}
diff --git a/Zotlabs/Module/Settings/Display.php b/Zotlabs/Module/Settings/Display.php
index 67cecf1f5..d5be07a81 100644
--- a/Zotlabs/Module/Settings/Display.php
+++ b/Zotlabs/Module/Settings/Display.php
@@ -130,12 +130,19 @@ class Display {
 		if($allowed_themes) {
 			foreach($allowed_themes as $th) {
 				$f = $th;
+
+				$min_version = ((file_exists('view/theme/' . $th . '/.MINVERSION')) ? file_get_contents('view/theme/' . $th . '/.MINVERSION') : 0);
+				if((version_compare($min_version, STD_VERSION, '>=')) || ($min_version == 0)) {
+					$mobile_themes[$f] = $themes[$f] = sprintf(t('%s - (Incompatible)'), $f);
+					continue;
+				}
+
 				$is_experimental = file_exists('view/theme/' . $th . '/experimental');
 				$unsupported = file_exists('view/theme/' . $th . '/unsupported');
 				$is_mobile = file_exists('view/theme/' . $th . '/mobile');
 				$is_library = file_exists('view/theme/'. $th . '/library');
-				$mobile_themes["---"] = t("No special theme for mobile devices");
-	
+				$mobile_themes['---'] = t("No special theme for mobile devices");
+
 				if (!$is_experimental or ($is_experimental && (get_config('experimentals','exp_themes')==1 or get_config('experimentals','exp_themes')===false))){ 
 					$theme_name = (($is_experimental) ?  sprintf(t('%s - (Experimental)'), $f) : $f);
 					if (! $is_library) {
@@ -147,7 +154,6 @@ class Display {
 						}
 					}
 				}
-
 			}
 		}