add 'requires' field to plugin info to list other dependent plugins/addons and disable if dependencies are not installed/enabled

include/plugin.php

@@ -325,7 +325,8 @@ function get_plugin_info($plugin){
 		'description' => '',
 		'author' => array(),
 		'maintainer' => array(),
-		'version' => ''
+		'version' => '',
+		'requires' => ''
 	);
 
 	if (!is_file("addon/$plugin/$plugin.php"))
@@ -383,6 +384,22 @@ function check_plugin_versions($info) {
 		}
 	}
 
+	if(array_key_exists('requires',$info)) {
+		$arr = explode(',',$info['requires']);
+		$found = true;
+		if($arr) {
+			foreach($arr as $test) {
+				$test = trim($test);
+				if(! $test)
+					continue;
+				if(! in_array($test,get_app()->plugins))
+					$found = false;				
+			}
+		}
+		if(! $found)
+			return false;
+	}
+
 	return true;
 }
 

mod/admin.php

@@ -1275,7 +1275,7 @@ function admin_page_plugins(&$a){
 			'$str_minversion' => t('Minimum project version: '),
 			'$str_maxversion' => t('Maximum project version: '),
 			'$str_minphpversion' => t('Minimum PHP version: '),
-
+			'$str_requires' => t('Requires: '),
 			'$disabled' => t('Disabled - version incompatibility'),
 
 			'$admin_form' => $admin_form,

mod/xrd.php

@@ -35,8 +35,6 @@ function xrd_init(&$a) {
 	header("Content-type: application/xrd+xml");
 
 
-	$tpl = get_markup_template('view/xrd_person.tpl');
-
 	$o = replace_macros(get_markup_template('xrd_person.tpl'), array(
 		'$nick'        => $r[0]['channel_address'],
 		'$accturi'     => $uri,
@@ -51,7 +49,7 @@ function xrd_init(&$a) {
 //		'$salmen'      => $a->get_baseurl() . '/salmon/'        . $r[0]['channel_address'] . '/mention',
 		'$modexp'      => 'data:application/magic-public-key,'  . $salmon_key,
 		'$subscribe'   => $a->get_baseurl() . '/follow?url={uri}',
-//		'$bigkey'      =>  salmon_key($r[0]['pubkey'])
+		'$bigkey'      =>  salmon_key($r[0]['channel_pubkey'])
 	));
 
 

view/tpl/admin_plugins_details.tpl

@@ -24,6 +24,9 @@
 	{{if $info.minphpversion}}
 	<p class="versionlimit">{{$str_minphpversion}}{{$info.minphpversion}}</p>
 	{{/if}}
+	{{if $info.requires}}
+	<p class="versionlimit">{{$str_requires}}{{$info.requires}}</p>
+	{{/if}}
 
 
 	{{foreach $info.maintainer as $a}}