fixed button logic

lib/plugins/extension/helper/extension.php

@@ -107,7 +107,7 @@ class helper_plugin_extension_extension extends DokuWiki_Plugin {
      * @return bool if the extension is protected
      */
     public function isProtected() {
-        return in_array($this->base, array('acl', 'config', 'info', 'plugin', 'revert', 'usermanager'));
+        return in_array($this->id, array('acl', 'config', 'info', 'plugin', 'revert', 'usermanager', 'template:dokuwiki'));
     }
 
     /**
@@ -513,20 +513,21 @@ class helper_plugin_extension_extension extends DokuWiki_Plugin {
     /**
      * If the extension can probably be installed/updated or uninstalled
      *
-     * @return bool|string True or one of "nourl", "noparentperms" (template/plugin install path not writable), "noperms" (extension itself not writable)
+     * @return bool|string True or error string
      */
     public function canModify() {
-        if ($this->isInstalled()) {
-            if (!is_writable($this->getInstallDir())) {
+        if($this->isInstalled()) {
+            if(!is_writable($this->getInstallDir())) {
                 return 'noperms';
             }
         }
-        $parent_path = ($this->isTemplate() ? DOKU_TPLLIB : DOKU_PLUGIN);
-        if (!is_writable($parent_path)) {
-            return 'noparentperms';
-        }
 
-        if (!$this->getDownloadURL()) return 'nourl';
+        if($this->isTemplate() && !is_writable(DOKU_TPLLIB)) {
+            return 'notplperms';
+
+        } elseif(!is_writable(DOKU_PLUGIN)) {
+            return 'nopluginperms';
+        }
         return true;
     }
 

lib/plugins/extension/helper/list.php

@@ -444,11 +444,13 @@ class helper_plugin_extension_list extends DokuWiki_Plugin {
      */
     function make_actions(helper_plugin_extension_extension $extension) {
         $return = '';
-        if (!$extension->isInstalled() && $extension->canModify() === true) {
-            $return .= $this->make_action('install', $extension);
-        } elseif ($extension->canModify() === true) {
-            if (!$extension->isBundled()) {
-                $return .= $this->make_action('uninstall', $extension);
+        $errors = '';
+
+        if ($extension->isInstalled()) {
+            if (($canmod = $extension->canModify()) === true) {
+                if (!$extension->isProtected()) {
+                    $return .= $this->make_action('uninstall', $extension);
+                }
                 if ($extension->getDownloadURL()) {
                     if ($extension->updateAvailable()) {
                         $return .= $this->make_action('update', $extension);
@@ -456,7 +458,10 @@ class helper_plugin_extension_list extends DokuWiki_Plugin {
                         $return .= $this->make_action('reinstall', $extension);
                     }
                 }
+            }else{
+                $errors .= '<p class="permerror">'.$this->getLang($canmod).'</p>';
             }
+
             if (!$extension->isProtected()) {
                 if ($extension->isEnabled()) {
                     if(!$extension->isTemplate()){ // templates can't be disabled, only another can be enabled
@@ -466,6 +471,15 @@ class helper_plugin_extension_list extends DokuWiki_Plugin {
                     $return .= $this->make_action('enable', $extension);
                 }
             }
+
+        }else{
+            if (($canmod = $extension->canModify()) === true) {
+                if ($extension->getDownloadURL()) {
+                    $return .= $this->make_action('install', $extension);
+                }
+            }else{
+                $errors .= '<div class="permerror">'.$this->getLang($canmod).'</div>';
+            }
         }
 
         if (!$extension->isInstalled()) {
@@ -473,7 +487,7 @@ class helper_plugin_extension_list extends DokuWiki_Plugin {
             $return .= ($extension->getLastUpdate() ? hsc($extension->getLastUpdate()) : $this->getLang('unknown')).'</span>';
         }
 
-        return $return;
+        return $return.' '.$errors;
     }
 
     /**

lib/plugins/extension/lang/en/lang.php

@@ -74,3 +74,7 @@ $lang['error_download']               = 'Unable to download the file: %s';
 $lang['error_decompress']             = 'Unable to decompress the downloaded file. This maybe as a result of a bad download, in which case you should try again; or the compression format may be unknown, in which case you will need to download and install manually.';
 $lang['error_findfolder']             = 'Unable to identify extension directory, you need to download and install manually';
 $lang['error_copy']                   = 'There was a file copy error while attempting to install files for directory <em>%s</em>: the disk could be full or file access permissions may be incorrect. This may have resulted in a partially installed plugin and leave your wiki installation unstable';
+
+$lang['noperms']                      = 'Extension directory is not writable';
+$lang['notplperms']                   = 'Template directory is not writable';
+$lang['nopluginperms']                = 'Plugin directory is not writable';

lib/plugins/extension/style.less

@@ -258,6 +258,15 @@
         margin: 0.2em 0;
         text-align: center;
     }
+
+    p.permerror {
+        margin-left: 0.4em;
+        text-align: left;
+        padding-left: 19px;
+        background: transparent url(images/warning.png) center left no-repeat;
+        line-height: 18px;
+        font-size: 12px;
+    }
 }
 
 /**