Add global Gantt chart for all projects

31 files changed, 366 insertions, 26 deletions

diff --git a/app/Controller/Gantt.php b/app/Controller/Gantt.php
index f450bca3..f73501c3 100644
--- a/app/Controller/Gantt.php
+++ b/app/Controller/Gantt.php
@@ -13,7 +13,46 @@ use Model\Task as TaskModel;
 class Gantt extends Base
 {
     /**
-     * Show Gantt chart for projects
+     * Show Gantt chart for all projects
+     */
+    public function projects()
+    {
+        if ($this->userSession->isAdmin()) {
+            $project_ids = $this->project->getAllIds();
+        }
+        else {
+            $project_ids = $this->projectPermission->getMemberProjectIds($this->userSession->getId());
+        }
+
+        $this->response->html($this->template->layout('gantt/projects', array(
+            'projects' => $this->project->getGanttBars($project_ids),
+            'title' => t('Gantt chart for all projects'),
+            'board_selector' => $this->projectPermission->getAllowedProjects($this->userSession->getId()),
+        )));
+    }
+
+    /**
+     * Save new project start date and end date
+     */
+    public function saveProjectDate()
+    {
+        $values = $this->request->getJson();
+
+        $result = $this->project->update(array(
+            'id' => $values['id'],
+            'start_date' => $this->dateParser->getIsoDate(strtotime($values['start'])),
+            'end_date' => $this->dateParser->getIsoDate(strtotime($values['end'])),
+        ));
+
+        if (! $result) {
+            $this->response->json(array('message' => 'Unable to save project'), 400);
+        }
+
+        $this->response->json(array('message' => 'OK'), 201);
+    }
+
+    /**
+     * Show Gantt chart for one project
      */
     public function project()
     {
@@ -40,7 +79,7 @@ class Gantt extends Base
     /**
      * Save new task start date and due date
      */
-    public function saveDate()
+    public function saveTaskDate()
     {
         $this->getProject();
         $values = $this->request->getJson();
diff --git a/app/Locale/cs_CZ/translations.php b/app/Locale/cs_CZ/translations.php
index 3bc98419..ed20a607 100644
--- a/app/Locale/cs_CZ/translations.php
+++ b/app/Locale/cs_CZ/translations.php
@@ -1040,4 +1040,13 @@ return array(
     // 'Shared project' => '',
     // 'Project managers' => '',
     // 'Project members' => '',
+    // 'Gantt chart for all projects' => '',
+    // 'Projects list' => '',
+    // 'Gantt chart for this project' => '',
+    // 'Project board' => '',
+    // 'End date:' => '',
+    // 'There is no start date or end date for this project.' => '',
+    // 'Projects Gantt chart' => '',
+    // 'Start date: %s' => '',
+    // 'End date: %s' => '',
 );
diff --git a/app/Locale/da_DK/translations.php b/app/Locale/da_DK/translations.php
index c889c90c..15ac90e8 100644
--- a/app/Locale/da_DK/translations.php
+++ b/app/Locale/da_DK/translations.php
@@ -1040,4 +1040,13 @@ return array(
     // 'Shared project' => '',
     // 'Project managers' => '',
     // 'Project members' => '',
+    // 'Gantt chart for all projects' => '',
+    // 'Projects list' => '',
+    // 'Gantt chart for this project' => '',
+    // 'Project board' => '',
+    // 'End date:' => '',
+    // 'There is no start date or end date for this project.' => '',
+    // 'Projects Gantt chart' => '',
+    // 'Start date: %s' => '',
+    // 'End date: %s' => '',
 );
diff --git a/app/Locale/de_DE/translations.php b/app/Locale/de_DE/translations.php
index 913e8d06..245d974d 100644
--- a/app/Locale/de_DE/translations.php
+++ b/app/Locale/de_DE/translations.php
@@ -1040,4 +1040,13 @@ return array(
     // 'Shared project' => '',
     // 'Project managers' => '',
     // 'Project members' => '',
+    // 'Gantt chart for all projects' => '',
+    // 'Projects list' => '',
+    // 'Gantt chart for this project' => '',
+    // 'Project board' => '',
+    // 'End date:' => '',
+    // 'There is no start date or end date for this project.' => '',
+    // 'Projects Gantt chart' => '',
+    // 'Start date: %s' => '',
+    // 'End date: %s' => '',
 );
diff --git a/app/Locale/es_ES/translations.php b/app/Locale/es_ES/translations.php
index 968bf55b..eaef0bce 100644
--- a/app/Locale/es_ES/translations.php
+++ b/app/Locale/es_ES/translations.php
@@ -1040,4 +1040,13 @@ return array(
     'Shared project' => 'Proyecto compartido',
     'Project managers' => 'Administradores de proyecto',
     'Project members' => 'Miembros de proyecto',
+    // 'Gantt chart for all projects' => '',
+    // 'Projects list' => '',
+    // 'Gantt chart for this project' => '',
+    // 'Project board' => '',
+    // 'End date:' => '',
+    // 'There is no start date or end date for this project.' => '',
+    // 'Projects Gantt chart' => '',
+    // 'Start date: %s' => '',
+    // 'End date: %s' => '',
 );
diff --git a/app/Locale/fi_FI/translations.php b/app/Locale/fi_FI/translations.php
index aa490d3f..ecc70961 100644
--- a/app/Locale/fi_FI/translations.php
+++ b/app/Locale/fi_FI/translations.php
@@ -1040,4 +1040,13 @@ return array(
     // 'Shared project' => '',
     // 'Project managers' => '',
     // 'Project members' => '',
+    // 'Gantt chart for all projects' => '',
+    // 'Projects list' => '',
+    // 'Gantt chart for this project' => '',
+    // 'Project board' => '',
+    // 'End date:' => '',
+    // 'There is no start date or end date for this project.' => '',
+    // 'Projects Gantt chart' => '',
+    // 'Start date: %s' => '',
+    // 'End date: %s' => '',
 );
diff --git a/app/Locale/fr_FR/translations.php b/app/Locale/fr_FR/translations.php
index 153c4476..f1594004 100644
--- a/app/Locale/fr_FR/translations.php
+++ b/app/Locale/fr_FR/translations.php
@@ -1042,4 +1042,13 @@ return array(
     'Shared project' => 'Projet partagé',
     'Project managers' => 'Gestionnaires de projet',
     'Project members' => 'Membres de projet',
+    'Gantt chart for all projects' => 'Diagramme de Gantt pour tous les projets',
+    'Projects list' => 'List des projets',
+    'Gantt chart for this project' => 'Diagramme de Gantt pour ce projet',
+    'Project board' => 'Tableau du projet',
+    'End date:' => 'Date de fin :',
+    'There is no start date or end date for this project.' => 'Il n\'y a pas de date de début ou de date de fin pour ce projet.',
+    'Projects Gantt chart' => 'Diagramme de Gantt des projets',
+    'Start date: %s' => 'Date de début : %s',
+    'End date: %s' => 'Date de fin : %s',
 );
diff --git a/app/Locale/hu_HU/translations.php b/app/Locale/hu_HU/translations.php
index 7b7d61fd..65ff8a18 100644
--- a/app/Locale/hu_HU/translations.php
+++ b/app/Locale/hu_HU/translations.php
@@ -1040,4 +1040,13 @@ return array(
     // 'Shared project' => '',
     // 'Project managers' => '',
     // 'Project members' => '',
+    // 'Gantt chart for all projects' => '',
+    // 'Projects list' => '',
+    // 'Gantt chart for this project' => '',
+    // 'Project board' => '',
+    // 'End date:' => '',
+    // 'There is no start date or end date for this project.' => '',
+    // 'Projects Gantt chart' => '',
+    // 'Start date: %s' => '',
+    // 'End date: %s' => '',
 );
diff --git a/app/Locale/it_IT/translations.php b/app/Locale/it_IT/translations.php
index 6a617395..f63dfbec 100644
--- a/app/Locale/it_IT/translations.php
+++ b/app/Locale/it_IT/translations.php
@@ -1040,4 +1040,13 @@ return array(
     // 'Shared project' => '',
     // 'Project managers' => '',
     // 'Project members' => '',
+    // 'Gantt chart for all projects' => '',
+    // 'Projects list' => '',
+    // 'Gantt chart for this project' => '',
+    // 'Project board' => '',
+    // 'End date:' => '',
+    // 'There is no start date or end date for this project.' => '',
+    // 'Projects Gantt chart' => '',
+    // 'Start date: %s' => '',
+    // 'End date: %s' => '',
 );
diff --git a/app/Locale/ja_JP/translations.php b/app/Locale/ja_JP/translations.php
index 42fb293f..5984bc11 100644
--- a/app/Locale/ja_JP/translations.php
+++ b/app/Locale/ja_JP/translations.php
@@ -1040,4 +1040,13 @@ return array(
     // 'Shared project' => '',
     // 'Project managers' => '',
     // 'Project members' => '',
+    // 'Gantt chart for all projects' => '',
+    // 'Projects list' => '',
+    // 'Gantt chart for this project' => '',
+    // 'Project board' => '',
+    // 'End date:' => '',
+    // 'There is no start date or end date for this project.' => '',
+    // 'Projects Gantt chart' => '',
+    // 'Start date: %s' => '',
+    // 'End date: %s' => '',
 );
diff --git a/app/Locale/nb_NO/translations.php b/app/Locale/nb_NO/translations.php
index 69c79251..523d6101 100644
--- a/app/Locale/nb_NO/translations.php
+++ b/app/Locale/nb_NO/translations.php
@@ -1040,4 +1040,13 @@ return array(
     // 'Shared project' => '',
     // 'Project managers' => '',
     // 'Project members' => '',
+    // 'Gantt chart for all projects' => '',
+    // 'Projects list' => '',
+    // 'Gantt chart for this project' => '',
+    // 'Project board' => '',
+    // 'End date:' => '',
+    // 'There is no start date or end date for this project.' => '',
+    // 'Projects Gantt chart' => '',
+    // 'Start date: %s' => '',
+    // 'End date: %s' => '',
 );
diff --git a/app/Locale/nl_NL/translations.php b/app/Locale/nl_NL/translations.php
index a2f7099d..b4e67e6b 100644
--- a/app/Locale/nl_NL/translations.php
+++ b/app/Locale/nl_NL/translations.php
@@ -1040,4 +1040,13 @@ return array(
     // 'Shared project' => '',
     // 'Project managers' => '',
     // 'Project members' => '',
+    // 'Gantt chart for all projects' => '',
+    // 'Projects list' => '',
+    // 'Gantt chart for this project' => '',
+    // 'Project board' => '',
+    // 'End date:' => '',
+    // 'There is no start date or end date for this project.' => '',
+    // 'Projects Gantt chart' => '',
+    // 'Start date: %s' => '',
+    // 'End date: %s' => '',
 );
diff --git a/app/Locale/pl_PL/translations.php b/app/Locale/pl_PL/translations.php
index f937aa7b..ecf00553 100644
--- a/app/Locale/pl_PL/translations.php
+++ b/app/Locale/pl_PL/translations.php
@@ -1040,4 +1040,13 @@ return array(
     // 'Shared project' => '',
     // 'Project managers' => '',
     // 'Project members' => '',
+    // 'Gantt chart for all projects' => '',
+    // 'Projects list' => '',
+    // 'Gantt chart for this project' => '',
+    // 'Project board' => '',
+    // 'End date:' => '',
+    // 'There is no start date or end date for this project.' => '',
+    // 'Projects Gantt chart' => '',
+    // 'Start date: %s' => '',
+    // 'End date: %s' => '',
 );
diff --git a/app/Locale/pt_BR/translations.php b/app/Locale/pt_BR/translations.php
index 7b33333c..348886b3 100644
--- a/app/Locale/pt_BR/translations.php
+++ b/app/Locale/pt_BR/translations.php
@@ -1040,4 +1040,13 @@ return array(
     // 'Shared project' => '',
     // 'Project managers' => '',
     // 'Project members' => '',
+    // 'Gantt chart for all projects' => '',
+    // 'Projects list' => '',
+    // 'Gantt chart for this project' => '',
+    // 'Project board' => '',
+    // 'End date:' => '',
+    // 'There is no start date or end date for this project.' => '',
+    // 'Projects Gantt chart' => '',
+    // 'Start date: %s' => '',
+    // 'End date: %s' => '',
 );
diff --git a/app/Locale/pt_PT/translations.php b/app/Locale/pt_PT/translations.php
index 58f32772..79c09f74 100644
--- a/app/Locale/pt_PT/translations.php
+++ b/app/Locale/pt_PT/translations.php
@@ -1040,4 +1040,13 @@ return array(
     // 'Shared project' => '',
     // 'Project managers' => '',
     // 'Project members' => '',
+    // 'Gantt chart for all projects' => '',
+    // 'Projects list' => '',
+    // 'Gantt chart for this project' => '',
+    // 'Project board' => '',
+    // 'End date:' => '',
+    // 'There is no start date or end date for this project.' => '',
+    // 'Projects Gantt chart' => '',
+    // 'Start date: %s' => '',
+    // 'End date: %s' => '',
 );
diff --git a/app/Locale/ru_RU/translations.php b/app/Locale/ru_RU/translations.php
index c90ba162..6f891d1c 100644
--- a/app/Locale/ru_RU/translations.php
+++ b/app/Locale/ru_RU/translations.php
@@ -1040,4 +1040,13 @@ return array(
     // 'Shared project' => '',
     // 'Project managers' => '',
     // 'Project members' => '',
+    // 'Gantt chart for all projects' => '',
+    // 'Projects list' => '',
+    // 'Gantt chart for this project' => '',
+    // 'Project board' => '',
+    // 'End date:' => '',
+    // 'There is no start date or end date for this project.' => '',
+    // 'Projects Gantt chart' => '',
+    // 'Start date: %s' => '',
+    // 'End date: %s' => '',
 );
diff --git a/app/Locale/sr_Latn_RS/translations.php b/app/Locale/sr_Latn_RS/translations.php
index dbc5d9aa..ca1f786b 100644
--- a/app/Locale/sr_Latn_RS/translations.php
+++ b/app/Locale/sr_Latn_RS/translations.php
@@ -1040,4 +1040,13 @@ return array(
     // 'Shared project' => '',
     // 'Project managers' => '',
     // 'Project members' => '',
+    // 'Gantt chart for all projects' => '',
+    // 'Projects list' => '',
+    // 'Gantt chart for this project' => '',
+    // 'Project board' => '',
+    // 'End date:' => '',
+    // 'There is no start date or end date for this project.' => '',
+    // 'Projects Gantt chart' => '',
+    // 'Start date: %s' => '',
+    // 'End date: %s' => '',
 );
diff --git a/app/Locale/sv_SE/translations.php b/app/Locale/sv_SE/translations.php
index 7a38ee78..0f3b18fe 100644
--- a/app/Locale/sv_SE/translations.php
+++ b/app/Locale/sv_SE/translations.php
@@ -1040,4 +1040,13 @@ return array(
     // 'Shared project' => '',
     // 'Project managers' => '',
     // 'Project members' => '',
+    // 'Gantt chart for all projects' => '',
+    // 'Projects list' => '',
+    // 'Gantt chart for this project' => '',
+    // 'Project board' => '',
+    // 'End date:' => '',
+    // 'There is no start date or end date for this project.' => '',
+    // 'Projects Gantt chart' => '',
+    // 'Start date: %s' => '',
+    // 'End date: %s' => '',
 );
diff --git a/app/Locale/th_TH/translations.php b/app/Locale/th_TH/translations.php
index 7d301973..0d68fd4c 100644
--- a/app/Locale/th_TH/translations.php
+++ b/app/Locale/th_TH/translations.php
@@ -1040,4 +1040,13 @@ return array(
     // 'Shared project' => '',
     // 'Project managers' => '',
     // 'Project members' => '',
+    // 'Gantt chart for all projects' => '',
+    // 'Projects list' => '',
+    // 'Gantt chart for this project' => '',
+    // 'Project board' => '',
+    // 'End date:' => '',
+    // 'There is no start date or end date for this project.' => '',
+    // 'Projects Gantt chart' => '',
+    // 'Start date: %s' => '',
+    // 'End date: %s' => '',
 );
diff --git a/app/Locale/tr_TR/translations.php b/app/Locale/tr_TR/translations.php
index c51be0bd..4b91c822 100644
--- a/app/Locale/tr_TR/translations.php
+++ b/app/Locale/tr_TR/translations.php
@@ -1040,4 +1040,13 @@ return array(
     // 'Shared project' => '',
     // 'Project managers' => '',
     // 'Project members' => '',
+    // 'Gantt chart for all projects' => '',
+    // 'Projects list' => '',
+    // 'Gantt chart for this project' => '',
+    // 'Project board' => '',
+    // 'End date:' => '',
+    // 'There is no start date or end date for this project.' => '',
+    // 'Projects Gantt chart' => '',
+    // 'Start date: %s' => '',
+    // 'End date: %s' => '',
 );
diff --git a/app/Locale/zh_CN/translations.php b/app/Locale/zh_CN/translations.php
index c9122bfd..12978c9c 100644
--- a/app/Locale/zh_CN/translations.php
+++ b/app/Locale/zh_CN/translations.php
@@ -1040,4 +1040,13 @@ return array(
     // 'Shared project' => '',
     // 'Project managers' => '',
     // 'Project members' => '',
+    // 'Gantt chart for all projects' => '',
+    // 'Projects list' => '',
+    // 'Gantt chart for this project' => '',
+    // 'Project board' => '',
+    // 'End date:' => '',
+    // 'There is no start date or end date for this project.' => '',
+    // 'Projects Gantt chart' => '',
+    // 'Start date: %s' => '',
+    // 'End date: %s' => '',
 );
diff --git a/app/Model/Acl.php b/app/Model/Acl.php
index b1e9eb07..e93bf1d9 100644
--- a/app/Model/Acl.php
+++ b/app/Model/Acl.php
@@ -65,7 +65,7 @@ class Acl extends Base
         'project' => array('edit', 'update', 'share', 'integration', 'users', 'alloweverybody', 'allow', 'setowner', 'revoke', 'duplicate', 'disable', 'enable'),
         'swimlane' => '*',
         'budget' => '*',
-        'gantt' => '*',
+        'gantt' => array('project', 'savetaskdate', 'task', 'savetask'),
     );
 
     /**
@@ -77,6 +77,7 @@ class Acl extends Base
     private $project_admin_acl = array(
         'project' => array('remove'),
         'projectuser' => '*',
+        'gantt' => array('projects', 'saveprojectdate'),
     );
 
     /**
diff --git a/app/Model/DateParser.php b/app/Model/DateParser.php
index 036725e3..6e833061 100644
--- a/app/Model/DateParser.php
+++ b/app/Model/DateParser.php
@@ -77,7 +77,7 @@ class DateParser extends Base
     }
 
     /**
-     * Parse a date ad return a unix timestamp, try different date formats
+     * Parse a date and return a unix timestamp, try different date formats
      *
      * @access public
      * @param  string   $value   Date to parse
@@ -97,6 +97,18 @@ class DateParser extends Base
     }
 
     /**
+     * Get ISO8601 date from user input
+     *
+     * @access public
+     * @param  string   $value   Date to parse
+     * @return string
+     */
+    public function getIsoDate($value)
+    {
+        return date('Y-m-d', ctype_digit($value) ? $value : $this->getTimestamp($value));
+    }
+
+    /**
      * Get all combinations of date/time formats
      *
      * @access public
diff --git a/app/Model/Project.php b/app/Model/Project.php
index 161a0cae..52500820 100644
--- a/app/Model/Project.php
+++ b/app/Model/Project.php
@@ -115,6 +115,54 @@ class Project extends Base
     }
 
     /**
+     * Get all projects to generate the Gantt chart
+     *
+     * @access public
+     * @param  array   $project_ids
+     * @return array
+     */
+    public function getGanttBars(array $project_ids)
+    {
+        if (empty($project_ids)) {
+            return array();
+        }
+
+        $colors = $this->color->getDefaultColors();
+        $projects = $this->db->table(self::TABLE)->asc('start_date')->in('id', $project_ids)->eq('is_active', self::ACTIVE)->eq('is_private', 0)->findAll();
+        $bars = array();
+
+        foreach ($projects as $project) {
+            $start = empty($project['start_date']) ? time() : strtotime($project['start_date']);
+            $end = empty($project['end_date']) ? $start : strtotime($project['end_date']);
+            $color = next($colors) ?: reset($colors);
+
+            $bars[] = array(
+                'type' => 'project',
+                'id' => $project['id'],
+                'title' => $project['name'],
+                'start' => array(
+                    (int) date('Y', $start),
+                    (int) date('n', $start),
+                    (int) date('j', $start),
+                ),
+                'end' => array(
+                    (int) date('Y', $end),
+                    (int) date('n', $end),
+                    (int) date('j', $end),
+                ),
+                'link' => $this->helper->url->href('project', 'show', array('project_id' => $project['id'])),
+                'board_link' => $this->helper->url->href('board', 'show', array('project_id' => $project['id'])),
+                'gantt_link' => $this->helper->url->href('gantt', 'project', array('project_id' => $project['id'])),
+                'color' => $color,
+                'not_defined' => empty($project['start_date']) || empty($project['end_date']),
+                'users' => $this->projectPermission->getProjectUsers($project['id']),
+            );
+        }
+
+        return $bars;
+    }
+
+    /**
      * Get all projects
      *
      * @access public
@@ -271,8 +319,7 @@ class Project extends Base
     {
         foreach ($projects as &$project) {
             $this->getColumnStats($project);
-            $project['managers'] = $this->projectPermission->getManagers($project['id']);
-            $project['members'] = $this->projectPermission->getOnlyMembers($project['id']);
+            $project = array_merge($project, $this->projectPermission->getProjectUsers($project['id']));
         }
 
         return $projects;
diff --git a/app/Model/ProjectPermission.php b/app/Model/ProjectPermission.php
index 03e9bea6..c412b7a9 100644
--- a/app/Model/ProjectPermission.php
+++ b/app/Model/ProjectPermission.php
@@ -50,40 +50,49 @@ class ProjectPermission extends Base
     }
 
     /**
-     * Get a list of allowed people for a project
+     * Get a list of members and managers with a single SQL query
      *
      * @access public
      * @param  integer   $project_id   Project id
      * @return array
      */
-    public function getMembers($project_id)
+    public function getProjectUsers($project_id)
     {
-        if ($this->isEverybodyAllowed($project_id)) {
-            return $this->user->getList();
+        $result = array(
+            'managers' => array(),
+            'members' => array(),
+        );
+
+        $users = $this->db
+            ->table(self::TABLE)
+            ->join(User::TABLE, 'id', 'user_id')
+            ->eq('project_id', $project_id)
+            ->asc('username')
+            ->columns(User::TABLE.'.id', User::TABLE.'.username', User::TABLE.'.name', self::TABLE.'.is_owner')
+            ->findAll();
+
+        foreach ($users as $user) {
+            $key = $user['is_owner'] == 1 ? 'managers' : 'members';
+            $result[$key][$user['id']] = $user['name'] ?: $user['username'];
         }
 
-        return $this->getAssociatedUsers($project_id);
+        return $result;
     }
 
     /**
-     * Get a list of standard user members for a project
+     * Get a list of allowed people for a project
      *
      * @access public
      * @param  integer   $project_id   Project id
      * @return array
      */
-    public function getOnlyMembers($project_id)
+    public function getMembers($project_id)
     {
-        $users = $this->db
-            ->table(self::TABLE)
-            ->join(User::TABLE, 'id', 'user_id')
-            ->eq('project_id', $project_id)
-            ->eq('is_owner', 0)
-            ->asc('username')
-            ->columns(User::TABLE.'.id', User::TABLE.'.username', User::TABLE.'.name')
-            ->findAll();
+        if ($this->isEverybodyAllowed($project_id)) {
+            return $this->user->getList();
+        }
 
-        return $this->user->prepareList($users);
+        return $this->getAssociatedUsers($project_id);
     }
 
     /**
diff --git a/app/Model/TaskFilter.php b/app/Model/TaskFilter.php
index cede59e3..d72af68c 100644
--- a/app/Model/TaskFilter.php
+++ b/app/Model/TaskFilter.php
@@ -726,6 +726,7 @@ class TaskFilter extends Base
             $end = $task['date_due'] ?: $start;
 
             $bars[] = array(
+                'type' => 'task',
                 'id' => $task['id'],
                 'title' => $task['title'],
                 'start' => array(
diff --git a/app/Template/gantt/project.php b/app/Template/gantt/project.php
index ec45f7f6..7ad859c7 100644
--- a/app/Template/gantt/project.php
+++ b/app/Template/gantt/project.php
@@ -35,8 +35,8 @@
     <?php if (! empty($tasks)): ?>
         <div
             id="gantt-chart"
-            data-tasks='<?= json_encode($tasks, JSON_HEX_APOS) ?>'
-            data-save-url="<?= $this->url->href('gantt', 'saveDate', array('project_id' => $project['id'])) ?>"
+            data-records='<?= json_encode($tasks, JSON_HEX_APOS) ?>'
+            data-save-url="<?= $this->url->href('gantt', 'saveTaskDate', array('project_id' => $project['id'])) ?>"
             data-label-start-date="<?= t('Start date:') ?>"
             data-label-end-date="<?= t('Due date:') ?>"
             data-label-assignee="<?= t('Assignee:') ?>"
diff --git a/app/Template/gantt/projects.php b/app/Template/gantt/projects.php
new file mode 100644
index 00000000..50e244a5
--- /dev/null
+++ b/app/Template/gantt/projects.php
@@ -0,0 +1,36 @@
+<section id="main">
+    <div class="page-header">
+        <ul>
+            <?php if ($this->user->isProjectAdmin() || $this->user->isAdmin()): ?>
+                <li><i class="fa fa-plus fa-fw"></i><?= $this->url->link(t('New project'), 'project', 'create') ?></li>
+            <?php endif ?>
+            <li>
+                <i class="fa fa-lock fa-fw"></i><?= $this->url->link(t('New private project'), 'project', 'create', array('private' => 1)) ?>
+            </li>
+            <li>
+                <i class="fa fa-folder fa-fw"></i><?= $this->url->link(t('Projects list'), 'project', 'index') ?>
+            </li>
+            <?php if ($this->user->isProjectAdmin() || $this->user->isAdmin()): ?>
+                <li><i class="fa fa-user fa-fw"></i><?= $this->url->link(t('Users overview'), 'projectuser', 'managers') ?></li>
+            <?php endif ?>
+        </ul>
+    </div>
+    <section>
+        <?php if (empty($projects)): ?>
+            <p class="alert"><?= t('No project') ?></p>
+        <?php else: ?>
+            <div
+                id="gantt-chart"
+                data-records='<?= json_encode($projects, JSON_HEX_APOS) ?>'
+                data-save-url="<?= $this->url->href('gantt', 'saveProjectDate') ?>"
+                data-label-managers="<?= t('Project managers') ?>"
+                data-label-members="<?= t('Project members') ?>"
+                data-label-gantt-link="<?= t('Gantt chart for this project') ?>"
+                data-label-board-link="<?= t('Project board') ?>"
+                data-label-start-date="<?= t('Start date:') ?>"
+                data-label-end-date="<?= t('End date:') ?>"
+                data-label-not-defined="<?= t('There is no start date or end date for this project.') ?>"
+            ></div>
+        <?php endif ?>
+    </section>
+</section>
diff --git a/app/Template/project/index.php b/app/Template/project/index.php
index f24a8c4a..5ca6e6b5 100644
--- a/app/Template/project/index.php
+++ b/app/Template/project/index.php
@@ -6,7 +6,8 @@
             <?php endif ?>
             <li><i class="fa fa-lock fa-fw"></i><?= $this->url->link(t('New private project'), 'project', 'create', array('private' => 1)) ?></li>
             <?php if ($this->user->isProjectAdmin() || $this->user->isAdmin()): ?>
-                <li><i class="fa fa-users fa-fw"></i><?= $this->url->link(t('Users overview'), 'projectuser', 'managers') ?></li>
+                <li><i class="fa fa-user fa-fw"></i><?= $this->url->link(t('Users overview'), 'projectuser', 'managers') ?></li>
+                <li><i class="fa fa-sliders fa-fw"></i><?= $this->url->link(t('Projects Gantt chart'), 'gantt', 'projects') ?></li>
             <?php endif ?>
         </ul>
     </div>
diff --git a/app/Template/project/show.php b/app/Template/project/show.php
index d8d6de8d..5a65a26e 100644
--- a/app/Template/project/show.php
+++ b/app/Template/project/show.php
@@ -20,6 +20,14 @@
         <li><?= dt('Last modified on %B %e, %Y at %k:%M %p', $project['last_modified']) ?></li>
     <?php endif ?>
 
+    <?php if ($project['start_date']): ?>
+        <li><?= t('Start date: %s', $project['start_date']) ?></li>
+    <?php endif ?>
+
+    <?php if ($project['end_date']): ?>
+        <li><?= t('End date: %s', $project['end_date']) ?></li>
+    <?php endif ?>
+
     <?php if ($stats['nb_tasks'] > 0): ?>
 
         <?php if ($stats['nb_active_tasks'] > 0): ?>
diff --git a/app/Template/project_user/layout.php b/app/Template/project_user/layout.php
index a68fc579..4cf732d6 100644
--- a/app/Template/project_user/layout.php
+++ b/app/Template/project_user/layout.php
@@ -10,8 +10,14 @@
             </li>
             <li>
                 <i class="fa fa-folder fa-fw"></i>
-                <?= $this->url->link(t('All projects'), 'project', 'index') ?>
+                <?= $this->url->link(t('Projects list'), 'project', 'index') ?>
             </li>
+            <?php if ($this->user->isProjectAdmin() || $this->user->isAdmin()): ?>
+                <li>
+                    <i class="fa fa-sliders fa-fw"></i>
+                    <?= $this->url->link(t('Projects Gantt chart'), 'gantt', 'projects') ?>
+                </li>
+            <?php endif ?>
         </ul>
     </div>
     <section class="sidebar-container">