config/modules: show metadata, improve usability

Well... I didn't want to commit this before creating single-button
forms for enabling/disabling modules. However part of this accidentally
made it through, so let's finish it.

Still some work to do, but it already looks far better like this.

refs #4095

application/controllers/ConfigController.php

@@ -27,23 +27,24 @@
  */
 // {{{ICINGA_LICENSE_HEADER}}}
 
-use \Icinga\Web\Controller\BaseConfigController;
-use \Icinga\Web\Widget\Tab;
-use \Icinga\Web\Widget\AlertMessageBox;
+use Icinga\Web\Controller\BaseConfigController;
+use Icinga\Web\Widget\Tab;
+use Icinga\Web\Widget\AlertMessageBox;
 use Icinga\Web\Notification;
 use Icinga\Application\Modules\Module;
-use \Icinga\Web\Url;
-use \Icinga\Application\Icinga;
-use \Icinga\Application\Config as IcingaConfig;
-use \Icinga\Data\ResourceFactory;
-use \Icinga\Form\Config\GeneralForm;
-use \Icinga\Form\Config\Authentication\ReorderForm;
-use \Icinga\Form\Config\Authentication\LdapBackendForm;
-use \Icinga\Form\Config\Authentication\DbBackendForm;
-use \Icinga\Form\Config\ResourceForm;
-use \Icinga\Form\Config\LoggingForm;
-use \Icinga\Form\Config\ConfirmRemovalForm;
-use \Icinga\Config\PreservingIniWriter;
+use Icinga\Web\Url;
+use Icinga\Web\Widget;
+use Icinga\Application\Icinga;
+use Icinga\Application\Config as IcingaConfig;
+use Icinga\Data\ResourceFactory;
+use Icinga\Form\Config\GeneralForm;
+use Icinga\Form\Config\Authentication\ReorderForm;
+use Icinga\Form\Config\Authentication\LdapBackendForm;
+use Icinga\Form\Config\Authentication\DbBackendForm;
+use Icinga\Form\Config\ResourceForm;
+use Icinga\Form\Config\LoggingForm;
+use Icinga\Form\Config\ConfirmRemovalForm;
+use Icinga\Config\PreservingIniWriter;
 
 
 /**
@@ -158,8 +159,7 @@ class ConfigController extends BaseConfigController
         $this->view->modules = Icinga::app()->getModuleManager()->select()
             ->from('modules')
             ->order('enabled', 'desc')
-            ->order('name');
-        $this->render('module/overview');
+            ->order('name')->paginate();
     }
 
     public function moduleAction()
@@ -168,11 +168,17 @@ class ConfigController extends BaseConfigController
         $app = Icinga::app();
         $manager = $app->getModuleManager();
         if ($manager->hasInstalled($name)) {
+            $this->view->moduleData = Icinga::app()->getModuleManager()->select()
+            ->from('modules')->where('name', $name)->fetchRow();
             $module = new Module($app, $name, $manager->getModuleDir($name));
             $this->view->module = $module;
         } else {
             $this->view->module = false;
         }
+        $this->view->tabs = Widget::create('tabs')->add('info', array(
+            'url' => Url::fromRequest(),
+            'title' => 'Module info'
+        ))->activate('info');
     }
 
     /**
@@ -186,7 +192,10 @@ class ConfigController extends BaseConfigController
             $manager->enableModule($module);
             $manager->loadModule($module);
             Notification::success('Module "' . $module . '" enabled');
-            $this->redirectNow('config/modules_render=layout&_reload=css');
+            $this->redirectNow(Url::fromPath('config/modules', array(
+                '_render' => 'layout',
+                '_reload' => 'css'
+            )));
             return;
         } catch (Exception $e) {
             $this->view->exceptionMesssage = $e->getMessage();
@@ -206,7 +215,10 @@ class ConfigController extends BaseConfigController
         try {
             $manager->disableModule($module);
             Notification::success('Module "' . $module . '" disabled');
-            $this->redirectNow('config/modules?_render=layout&_reload=css');
+            $this->redirectNow(Url::fromPath('config/modules', array(
+                '_render' => 'layout',
+                '_reload' => 'css'
+            )));
             return;
         } catch (Exception $e) {
             $this->view->exceptionMessage = $e->getMessage();

application/views/scripts/config/module.phtml

@@ -9,6 +9,7 @@
 $dependencies = $module->getDependencies();
 $restrictions = $module->getProvidedRestrictions();
 $permissions = $module->getProvidedPermissions();
+$state = $moduleData->enabled ? ($moduleData->loaded ? 'enabled' : 'failed') : 'disabled'
 
 ?>
 <h1><?= $this->escape($module->getTitle()) ?></h1>
@@ -17,6 +18,19 @@ $permissions = $module->getProvidedPermissions();
   <th><?= $this->escape('Name') ?></th>
   <td><?= $this->escape($module->getName()) ?></td>
 </tr>
+<tr>
+  <th><?= $this->translate('State') ?></th>
+  <td><?= $state ?><?php if ($state === 'enabled'): ?>
+  <?= $this->qlink('disable', 'config/moduledisable', array(
+      'name' => $module->getName()
+  )) ?>
+  <?php endif ?>
+  <?php if ($state === 'disabled'): ?>
+  <?= $this->qlink('enable', 'config/moduleenable', array(
+      'name' => $module->getName()
+  )) ?>
+  <?php endif ?>
+  </td>
 <tr>
   <th><?= $this->escape('Version') ?></th>
   <td><?= $this->escape($module->getVersion()) ?></td></tr>

application/views/scripts/config/modules.phtml

@@ -1,25 +1,10 @@
-<?php
-use Icinga\Web\Url;
-
-$this->modules->limit(10);
-$modules = $this->modules->paginate();
-
-?>
 <div class="controls">
-<?= $this->tabs->render($this); ?>
+<?= $this->tabs ?>
+<h1>Installed Modules</h1>
+<?= $this->paginationControl($modules) ?>
 </div>
 
 <div class="content">
-<h3>Installed Modules</h3>
-
-<?php if (isset($this->messageBox)): ?>
-  <?= $this->messageBox->render() ?>
-<?php endif ?>
-
-<?= $this->paginationControl($modules, null, null, array(
-    'preserve' => $this->preserve
-));
-?>
 <table class="action" data-base-target="_next">
   <tbody>
   <?php foreach ($modules as $module): ?>
@@ -30,9 +15,12 @@ $modules = $this->modules->paginate();
       <?php else: ?>
       <?= $this->icon('remove.png', 'Module is disabled') ?>
       <? endif ?>
-        <a href="<?= $this->url('config/module/', array('name' => $module->name)) ?>"><?= $this->escape($module->name); ?></a>
-      (<?=
-        $module->enabled ? ($module->loaded ? 'enabled' : 'failed') : 'disabled' ?>)
+        <a href="<?= $this->url(
+            'config/module/',
+            array('name' => $module->name)
+        ) ?>"><?= $this->escape($module->name); ?></a> (<?=
+            $module->enabled ? ($module->loaded ? 'enabled' : 'failed') : 'disabled'
+        ?>)
       </td>
     </tr>
   <? endforeach ?>

library/Icinga/Data/DataArray/ArrayDatasource.php

@@ -57,6 +57,15 @@ class ArrayDatasource implements Selectable
         return $result;
     }
 
+    public function fetchRow(SimpleQuery $query)
+    {
+        $result = $this->getResult($query);
+        if (empty($result)) {
+            return false;
+        }
+        return $result[0];
+    }
+
     public function fetchAll(SimpleQuery $query)
     {
         return $this->getResult($query);

public/js/icinga/history.js

@@ -71,7 +71,6 @@
 
             icinga.logger.debug('Pushing current state to history');
             var url = '';
-            var blacklist = ['_render', '_reload'];
 
             // We only store URLs of containers sitting directly under #main:
             $('#main > .container').each(function (idx, container) {
@@ -90,7 +89,7 @@
 
             // Did we find any URL? Then push it!
             if (url !== '') {
-                window.history.pushState({icinga: true}, null, url);
+                window.history.pushState({icinga: true}, null, this.cleanupUrl(url));
             }
         },
 
@@ -99,7 +98,13 @@
             if (!this.enabled) {
                 return;
             }
-            window.history.pushState({icinga: true}, null, url);
+            window.history.pushState({icinga: true}, null, this.cleanupUrl(url));
+        },
+
+        cleanupUrl: function(url) {
+            url = url.replace(/_render=[a-z0-9]+&/, '').replace(/&_render=[a-z0-9]+/, '').replace(/\?_render=[a-z0-9]+$/, '');
+            url = url.replace(/_reload=[a-z0-9]+&/, '').replace(/&_reload=[a-z0-9]+/, '').replace(/\?_reload=[a-z0-9]+$/, '');
+            return url;
         },
 
         /**

public/js/icinga/loader.js

@@ -343,6 +343,9 @@
                 delete this.requests[req.$target.attr('id')];
 
                 req.$target = $('#' + target);
+                
+                // We assume target === 'layout' right now. This might not be correct
+                this.icinga.ui.layout1col();
                 newBody = true;
             }