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javascriptpatchodoo17
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Afri Kreto

Good evening everyone, I have very little knowledge of JavaScript and I am new to Odoo 17.

I want to modify the following value:

const canCreate = options.no_create ? false : hasCreatePermission;

which is found here

export const many2OneField = {
    component: Many2OneField,
    displayName: _t("Many2one"),
    supportedOptions: [
        {
            label: _t("Disable opening"),
            name: "no_open",
            type: "boolean",
        },
        {
            label: _t("Disable creation"),
            name: "no_create",
            type: "boolean",
            help: _t(
                "If checked, users won't be able to create records through the autocomplete dropdown at all."
            ),
        },
        {
            label: _t("Disable 'Create' option"),
            name: "no_quick_create",
            type: "boolean",
            help: _t(
                "If checked, users will not be able to create records based on the text input; they will still be able to create records via a popup form."
            ),
        },
        {
            label: _t("Disable 'Create and Edit' option"),
            name: "no_create_edit",
            type: "boolean",
            help: _t(
                "If checked, users will not be able to create records based through a popup form; they will still be able to create records based on the text input."
            ),
        },
    ],
    supportedTypes: ["many2one"],
    extractProps({ attrs, context, decorations, options, string }, dynamicInfo) {
        const hasCreatePermission = attrs.can_create ? evaluateBooleanExpr(attrs.can_create) : true;
        const hasWritePermission = attrs.can_write ? evaluateBooleanExpr(attrs.can_write) : true;
        const canCreate = options.no_create ? false : hasCreatePermission;
        return {
            placeholder: attrs.placeholder,
            canOpen: !options.no_open,
            canCreate,
            canWrite: hasWritePermission,
            canQuickCreate: canCreate && !options.no_quick_create,
            canCreateEdit: canCreate && !options.no_create_edit,
            context: context,
            decorations,
            domain: dynamicInfo.domain,
            nameCreateField: options.create_name_field,
            canScanBarcode: !!options.can_scan_barcode,
            string,
        };
    },
};

The code is located in odoo\addons\web\static\src\views\fields\many2one\many2one_field.js.

While researching, I came across discussions that recommend using patching to extend the object.

My patching code:

/** @odoo-module **/

import {many2OneField} from "@web/views/fields/many2one/many2one_field";
import { patch } from "@web/core/utils/patch";


patch(many2OneField, {
    extractProps() {
        let pros = super.extractProps()
        pros.options.canCreate = true
        return pros;
    },
});

I don't know why it doesn't work, any help is welcome.

Thank you.



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Cybrosys Techno Solutions Pvt.Ltd
Best Answer

Hi,

Please refer to the following blog for an understanding of the workings of patching, with an example:

https://www.cybrosys.com/blog/how-to-patch-existing-owl-component-in-odoo-17


Hope this helps.

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imam
Best Answer

Hello, 
In newer odoo, native javascript module, you can extend the option using extends keywords as you extends javascript class. 


For example here:

/** @odoo-module **/  // -> This indicate it's an odoo module. REQUIRED FOR ODOO MODULE.
import { registry } from '@web/core/registry'; //-> Use registry to register new fields
import {Many2OneField} from "@web/views/fields/many2one/many2one_field";; //-> Fields that's we inherite

export class YourNewField extends Many2OneField { //-> In here, we inherit the fields
	​ extractProps({ attrs, context, decorations, options, string }, dynamicInfo) {
		res = ​super.extractProps()
	​	​​res['canCreate'] = true
	​}
}

// After that don't forget to register your new widget
registry.category("fields").add("YourNewField", YourNewField);
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