Add new merge hook to override default form values

app/Controller/Gantt.php

@@ -101,14 +101,18 @@ class Gantt extends Base
     {
         $project = $this->getProject();
 
-        $this->response->html($this->template->render('gantt/task_creation', array(
+        $values = $values + array(
-            'project' => $project,
-            'errors' => $errors,
-            'values' => $values + array(
             'project_id' => $project['id'],
             'column_id' => $this->board->getFirstColumn($project['id']),
             'position' => 1
-            ),
+        );
+
+        $values = $this->hook->merge('controller:task:form:default', $values, array('default_values' => $values));
+
+        $this->response->html($this->template->render('gantt/task_creation', array(
+            'project' => $project,
+            'errors' => $errors,
+            'values' => $values,
             'users_list' => $this->projectUserRole->getAssignableUsersList($project['id'], true, false, true),
             'colors_list' => $this->color->getList(),
             'categories_list' => $this->category->getList($project['id']),

app/Controller/Taskcreation.php

@@ -27,6 +27,8 @@ class Taskcreation extends Base
                 'color_id' => $this->color->getDefaultColor(),
                 'owner_id' => $this->userSession->getId(),
             );
+
+            $values = $this->hook->merge('controller:task:form:default', $values, array('default_values' => $values));
         }
 
         $this->response->html($this->template->render('task_creation/form', array(

app/Controller/Taskmodification.php

@@ -100,6 +100,7 @@ class Taskmodification extends Base
 
         if (empty($values)) {
             $values = $task;
+            $values = $this->hook->merge('controller:task:form:default', $values, array('default_values' => $values));
         }
 
         $this->dateParser->format($values, array('date_due'));

doc/plugin-hooks.markdown

@@ -58,8 +58,28 @@ class Plugin extends Base
 }
 ```
 
+Example to override default values for task forms:
+
+```php
+class Plugin extends Base
+{
+    public function initialize()
+    {
+        $this->hook->on('controller:task:form:default', function (array $default_values) {
+            return empty($default_values['score']) ? array('score' => 4) : array();
+        });
+    }
+}
+```
+
 List of merging hooks:
 
+#### controller:task:form:default
+
+- Override default values for task forms
+- Arguments:
+    - `$default_values`: actual default values (array)
+
 #### controller:calendar:project:events
 
 - Add more events to the project calendar