[IMP] Add stack support

web_timeline/README.rst

@@ -58,6 +58,8 @@ the possible attributes for the tag:
 +--------------------+-----------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
 | event_open_popup   | No        | When set to true, it allows to edit the events in a popup. If not (default value), the record is edited changing to form view.                                                                                                                                            |
 +--------------------+-----------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+| stack              | No        | When set to false, items will not be stacked on top of each other such that they do overlap.                                                                                                                                                                              |
++--------------------+-----------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
 | colors             | No        | Allows to set certain specific colors if the expressed condition (JS syntax) is met.                                                                                                                                                                                      |
 +--------------------+-----------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
 | dependency_arrow   | No        | Set this attribute to a x2many field to draw arrows between the records referenced in the x2many field.                                                                                                                                                                   |

web_timeline/__manifest__.py

@@ -4,7 +4,7 @@
 {
     'name': "Web timeline",
     'summary': "Interactive visualization chart to show events in time",
-    "version": "12.0.1.0.0",
+    "version": "12.0.1.0.1",
     "development_status": "Production/Stable",
     'author': 'ACSONE SA/NV, '
               'Tecnativa, '

web_timeline/static/src/js/timeline_view.js

@@ -111,12 +111,17 @@ odoo.define('web_timeline.TimelineView', function (require) {
             if (!isNullOrUndef(attrs.quick_create_instance)) {
                 self.quick_create_instance = 'instance.' + attrs.quick_create_instance;
             }
+            this.stack = true;
+            if (!isNullOrUndef(attrs.stack) && !_.str.toBoolElse(attrs.stack, "true")) {
+                this.stack = false;
+            }
             this.options = {
                 groupOrder: this.group_order,
                 orientation: 'both',
                 selectable: true,
                 multiselect: true,
                 showCurrentTime: true,
+                stack: this.stack,
                 zoomKey: this.zoomKey
             };
             if (isNullOrUndef(attrs.event_open_popup) || !_.str.toBoolElse(attrs.event_open_popup, true)) {