name of type=“action” in openerp button

问题

I've a problem when I want to make button in type="action", it's really different with type="object". I just want to make button that can connect one module to another. It already exists in openerp for a few buttons of type="action". I just want to understand what is the function of "name" of this button?

I have an example, I found this xml script in backend sale folder:

<button name="%(action_view_sale_advance_payment_inv)d"
 string="Create Invoice"
 type="action"
 states="manual"
 class="oe_highlight"
 groups="base.group_user"/>

when I installed sale module, then I see the xml script in frontend sale.order.form, it's already change into:

<button name="278"
 string="Create Invoice"
 type="action"
 states="manual"
 class="oe_highlight"
 groups="base.group_user"/>

What's happening with the "name"? Can anyone give me a simple button of type="action"?

回答1:

There are three kinds of types for button: object, action & workflow. workflow is the default.

Now let's understand the meaning of these three types:

object is used if you want to call a method which is written in .py file.
action is used if you want to call any action which is written in .xml file. Let say if you want to open a wizard from button click then you can use type="action".
workflow (the default) is used if you want to call workflow.

<button name="%(action_view_sale_advance_payment_inv)d"
 string="Create Invoice"
 type="action">

when Create Invoice button is clicked, you will see a wizard.

<button name="278" string="Create Invoice" type="action">

Here 278 is an ID in postgresql database of action_view_sale_advance_payment_inv action.

来源：https://stackoverflow.com/questions/14682253/name-of-type-action-in-openerp-button

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