[IMP] web_m2x_options: Added limit for o2m field entries

Added the system parameter "web_m2x_options.field_limit_entries" to set the limit of entries that can be displayed.

web_m2x_options/README.rst

@@ -115,6 +115,10 @@ If you disable one option, you can enable it for particular field by setting "cr
 
   Whether the field should always show "Search more..." entry or not.
 
+``web_m2x_options.field_limit_entries`` *int*
+
+  Number of displayed lines on all One2many fields
+
 To add these parameters go to Configuration -> Technical -> Parameters -> System Parameters and add new parameters like:
 
 - web_m2x_options.create: False
@@ -122,6 +126,7 @@ To add these parameters go to Configuration -> Technical -> Parameters -> System
 - web_m2x_options.m2o_dialog: False
 - web_m2x_options.limit: 10
 - web_m2x_options.search_more: True
+- web_m2x_options.field_limit_entries: 5
 
 
 Example

web_m2x_options/models/ir_config_parameter.py

@@ -12,6 +12,7 @@ class IrConfigParameter(models.Model):
             "web_m2x_options.limit",
             "web_m2x_options.search_more",
             "web_m2x_options.m2o_dialog",
+            "web_m2x_options.field_limit_entries",
         ]
         return {
             res["key"]: res["value"]

web_m2x_options/readme/USAGE.rst

@@ -69,6 +69,10 @@ If you disable one option, you can enable it for particular field by setting "cr
 
   Whether the field should always show "Search more..." entry or not.
 
+``web_m2x_options.field_limit_entries`` *int*
+
+  Number of displayed lines on all One2many fields
+
 To add these parameters go to Configuration -> Technical -> Parameters -> System Parameters and add new parameters like:
 
 - web_m2x_options.create: False
@@ -76,6 +80,7 @@ To add these parameters go to Configuration -> Technical -> Parameters -> System
 - web_m2x_options.m2o_dialog: False
 - web_m2x_options.limit: 10
 - web_m2x_options.search_more: True
+- web_m2x_options.field_limit_entries: 5
 
 
 Example

web_m2x_options/static/src/js/form.js

@@ -475,4 +475,16 @@ odoo.define("web_m2x_options.web_m2x_options", function (require) {
             }
         },
     });
+
+    // Extending class to allow change the limit of o2m registry entries using the
+    // system parameter "web_m2x_options.field_limit_entries".
+    FormView.include({
+        _setSubViewLimit: function (attrs) {
+            this._super(attrs);
+            var limit = ir_options["web_m2x_options.field_limit_entries"];
+            if (!_.isUndefined(limit)) {
+                attrs.limit = parseInt(limit);
+            }
+        },
+    });
 });