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viewsinheritancehr_expense
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David Yao

Hi all, I'm really new to Odoo. yeah, again, I got another inheritance problem.

The issue I'm facing is that: After inheritance hr.expense to my custom module "expense_new", I would like to create new view to it, tree view seems works fine (maybe I did it wrong tho) but its form view display all the fields including new field I added. (all field display regardless its invisible attribute, more than 25 fields displayed on the screen). I believe It is something wrong on XML file.

The way I'm using to inherit is "_inherits", and here is my code:   

class expenseNew(models.Model):    
    _name = 'expense_new.expense_new'    
    _inherits = {'hr.expense': 'expense_new_id'}    
    expense_new_id = fields.Many2one('hr.expense', help="This is a many2one field in expense_new module, and this field is used as a link to hr.expense module")    
    # ......Override original fields......    
    name = fields.Char(string='Expense Summary', readonly=True, required=True, states={'draft': [('readonly', False)], 'refused': [('readonly', False)]})    
    ...    
    # ......Extra fields/ my own fields......    
    calculate_total_amount = fields.Float(string='Total Cost', store=True, compute='_compute_amount_my', digits=dp.get_precision('Account'))    
    ...
<record id="expense_new_tree_view" model="ir.ui.view">        
    <field name="name">expense_new.expense_new.tree.view</field>        
    <field name="model">expense_new.expense_new</field>        
    <field name="arch" type="xml">            
        <tree string="Expenses">                
            <field name="name"/>                
            <field name="employee_id"/>                
            <field name="date" required="True"/>                
            <field name="state"/>                
            <field name="calculate_total_amount"/>            
        </tree>        
    </field>    
</record>    
<record id="expense_new_form_view" model="ir.ui.view">        
    <field name="name">expense_new.expense_new.form.view</field>        
    <field name="model">expense_new.expense_new</field>        
    <!--<field name="inherit_id" ref="hr_expense.hr_expense_form_view"/>-->        
    <field name="arch" type="xml">            
        <form string="Expenses" class="o_expense_form">                
            <sheet>
                ......                        
                <div class="oe_title">                        
                    <label for="name"/>                        
                    <h1>                            
                        <field name="name" placeholder="e.g. Lunch with Customer"/>                        
                    </h1>                    
                </div>                    
                <group>                        
                    <group>                            
                        <field name="date"/>                            
                        <field name="employee_id" groups="hr_expense.group_hr_expense_user"/>                            
                        <field name="calculate_total_amount"/>                        
                    </group>                    
                </group>                
            </sheet>            
        </form>        
    </field>    
</record>    
<record id="submit_your_expense_action" model="ir.actions.act_window">        
    <field name="name">My Expenses to Submit ("draft" expenses))</field>        
    <field name="res_model">expense_new.expense_new</field>        
    <field name="view_mode">tree,form</field>    
</record>    
<menuitem .../>

 

And also, In "_inherits" way, is it possible to inherit its "hr_expense.hr_expense_form_view" view by using "inherit_id" on XML and add my own field to it? I guess I cant because, in terms of database, my own field doesn't stored in the "hr_expense" table but it is stored in my own database "expense_new.expense_new", am I right? 

So, If I inherit a view then I should write <field name="model">original_module.model</field> and on the action, <field name="res_model">original_module.model</field> Otherwise (e.g. in this case) I use my own model name, right?

Can somebody please help me out, any hint, reference or suggestion will be useful. Thx a lot!

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David Yao
Author Best Answer

Hi all, following is my solution for my question (this link helps me a lot, similar solution, https://www.odoo.com/forum/help-1/question/how-to-inherit-prototype-inheritance-from-one-module-to-another-new-module-86223), the key is Odoo don't know which view to apply, I believe that's why my issue occurs. Please point out if I missed anything! Thx.

PY file:

class expenseNew(models.Model):        
    _name = 'expense_new.expense_new'        
    # _inherits = {'hr.expense': 'expense_new_id'}
    _inherit = 'hr.expense' # you can still use "_inherits" tho if you need  
    expense_new_id = fields.Many2one('hr.expense', help="This is a many2one field in expense_new module, and this field is used as a link to hr.expense module")        
    # ......Override original fields......        
    name = fields.Char(string='Expense Summary', readonly=True, required=True, states={'draft': [('readonly', False)], 'refused': [('readonly', False)]})        
    ...        
    # ......Extra fields/ my own fields......        
    calculate_total_amount = fields.Float(string='Total Cost', store=True, compute='_compute_amount_my', digits=dp.get_precision('Account'))        
    ...

XML file:

<record id="expense_new_tree_view" model="ir.ui.view">    
    <field name="name">expense_new.expense_new.tree.view</field>    
    <field name="model">expense_new.expense_new</field>    
    <field name="inherit_id" ref="hr_expense.view_expenses_tree"/>    
    <field name="arch" type="xml">            
        <field name="name"/>            
        <field name="employee_id"/>            
        <field name="date" required="True"/>            
        <field name="state"/>            
        <xpath expr="//field[@name='state']" position="after">                
            <field name="calculate_total_amount"/>            
        </xpath>    
    </field>
</record>
<record id="expense_new_form_view" model="ir.ui.view">    
    <field name="name">expense_new.expense_new.form.view</field>    
    <field name="model">expense_new.expense_new</field>    
    <field name="inherit_id" ref="hr_expense.hr_expense_form_view"/>    
    <field name="arch" type="xml">        
        <xpath expr="//field[@name='employee_id']" position="after">            
            <field name="calculate_total_amount"/>        
        </xpath>    
    </field>
</record>
<!-- this is where magic happen -->
<record model="ir.actions.act_window.view" id="action_test_tree">    
    <field name="sequence" eval="1"/>    
    <field name="view_mode">tree</field>    
    <field name="view_id" ref="expense_new_tree_view"/>    
    <field name="act_window_id" ref="submit_your_expense_action"/>
</record>
<record model="ir.actions.act_window.view" id="action_test_form">    
    <field name="sequence" eval="1"/>    
    <field name="view_mode">form</field>    
    <field name="view_id" ref="expense_new_form_view"/>    
    <field name="act_window_id" ref="submit_your_expense_action"/>
</record>
<!-- this is where magic happen -->
<menuitem ... />


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Subhanullah
Best Answer

If you want to extend an existing view, you need to use XPath expression, XPath expression has two attributes the path (expr = "//path") that you want to place your custom field and the position(position=" after/before/replace/inside"), so here you should do like this;


<record id="expense_new_form_view" model="ir.ui.view">        
    <field name="name">expense_new.expense_new.form.view</field>        
    <field name="model">expense_new.expense_new</field>        
    <field name="inherit_id" ref="hr_expense.hr_expense_form_view"/>     
    <field name="arch" type="xml">            
        <xpath expr=”//path” position=”specify the position”>
		<field name=”your 1 custom field />
		<field name=”your 2 custom field />
	  </xpath>        
    </field>

For more details, refer to this link,

https://www.odoo.yenthevg.com/xpath-expressions-in-odoo-8/

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David Yao
Author

hi Subhanullah, thx for reply. I have tried XPath before and it doesn't work as well, I just figure out the key to my problem is I need to tell Odoo which view I want. I will post my solution later. Hope it helps others

Subhanullah

Hi David,

Sounds good, but this is how you tell ODOO which view you want to access,

<field name="inherit_id" ref="hr_expense.hr_expense_form_view"/>

David Yao
Author

yes, it is used to inherit certain view. BTW, What about "ir.actions.act_window.view"? Do you know what does it do? As you can see, I also used mode_id, view_id and act_window_id, I guess these are telling Odoo --- for A (act_window_id) action I want open B (view_id) view in C (form) way, am I right? Any documents you found for those?And please tell me if my understanding is incorrect. Thx.

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