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How to Create and Use a Slider in Odoo

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How to Create and Use a Slider in Odoo. Odoo is a powerful open-source ERP system that provides a wide range of customizable features to meet the needs of businesses. One of the features you may encounter or want to implement is a Slider. A slider is an interactive element that allows users to select a value within a given range, often used for tasks like adjusting price ranges, selecting quantities, or choosing display settings.

Also Read:

What is a Slider in Odoo?

In Odoo, a Slider widget allows users to interactively select a numeric value within a defined range. This is often implemented in form views where users need to choose a value between a minimum and maximum value. For example, a slider might be used to select a product quantity, set a discount percentage, or adjust any other numeric attribute.

The slider provides a visual representation of a range, which makes it a great choice for user-friendly, interactive forms.

Common Use Cases for Sliders in Odoo

  • Adjusting Prices: For discounts or special pricing.
  • Selecting Quantities: For order forms or inventory management.
  • User Preferences: For customizing user experience settings, like brightness, volume, etc.

How to Create and Use a Slider in Odoo

To create a custom slider in Odoo, you need to modify the XML views and Python models. Below is a step-by-step guide to creating a basic slider in Odoo.

Step 1: Create a New Odoo Module

First, let’s create a new custom module to implement the slider. If you already have a custom module, you can skip this step and proceed to the next.

Module Directory Structure:

plaintext
my_slider_module/
├── __init__.py
├── __manifest__.py
├── models/
│ └── __init__.py
│ └── slider_model.py
├── views/
│ └── slider_view.xml
└── security/
└── ir.model.access.csv

Step 2: Define the Python Model

In your models/slider_model.py, define a model with a field that will hold the value for the slider. This field will be linked to a slider widget in the view.

python

from odoo import models, fields

class SliderModel(models.Model):
_name = ‘slider.model’
_description = ‘Slider Model’

name = fields.Char(string=“Slider Name”)
value = fields.Integer(string=“Slider Value”, default=50) # Default value is 50

  • name: This field is for the name of the slider. You can use this to describe what the slider is adjusting (e.g., “Discount Percentage”).
  • value: This is the numeric value associated with the slider. It will hold the value that the user selects using the slider widget.

Step 3: Define the XML View

Now, let’s define the view where the slider will be placed. Create a file called slider_view.xml in the views folder.

xml
<odoo>
<data>
<!-- Form view for the Slider Model -->
<record id="view_slider_model_form" model="ir.ui.view">
<field name="name">slider.model.form</field>
<field name="model">slider.model</field>
<field name="arch" type="xml">
<form string="Slider Example">
<group>
<field name="name"/>
<field name="value" widget="slider" options="{'min': 0, 'max': 100, 'step': 1}" />
</group>
<footer>
<button string="Save" type="object" name="action_save"/>
</footer>
</form>
</field>
</record><!– Action to open the form –>
<record id=“action_slider_model” model=“ir.actions.act_window”>
<field name=“name”>Slider Model</field>
<field name=“res_model”>slider.model</field>
<field name=“view_mode”>form</field>
</record><!– Menu item to access the slider –>
<menuitem id=“menu_slider_model” name=“Slider Model” parent=“base.menu_custom” action=“action_slider_model”/>
</data>
</odoo>

Explanation:

  • Form View: The value field is rendered using the slider widget. The options passed (min, max, and step) define the behavior of the slider:
    • min: Minimum value (in this case, 0).
    • max: Maximum value (in this case, 100).
    • step: Defines the increments (in this case, 1).
  • Action: This defines the action that will open the form view when selected.
  • Menu Item: This adds a menu item under the Custom menu in Odoo, making the slider accessible from the Odoo interface.

Step 4: Define the Module Manifest

In the __manifest__.py file, define the metadata for the custom module.

python
{
'name': 'Slider Example',
'version': '1.0',
'category': 'Tools',
'author': 'Your Name',
'depends': ['base'],
'data': [
'views/slider_view.xml',
],
'installable': True,
'application': True,
}

Step 5: Install and Test the Module

  1. Update the Odoo Apps List: After you create your module, go to the Apps menu in Odoo and click the “Update Apps List” option.
  2. Install Your Module: Find your custom module in the apps list and click Install.
  3. Access the Slider: Once the module is installed, go to the Custom menu and find the Slider Model option. Open it, and you will see the slider in action!

Step 6: Interact with the Slider

  • The slider will appear in the form view for the SliderModel model.
  • You can adjust the slider by dragging the handle or clicking on the track.
  • The value selected by the user is stored in the value field of the SliderModel record.

Example Use Case: Discount Slider

Let’s implement a real-world use case of a slider: adjusting the discount percentage for a sale or product. In this case, the slider allows the user to set a discount between 0 and 50%.

Step 1: Modify the Model

We can modify the SliderModel to reflect a Discount Percentage use case:

python
class DiscountSlider(models.Model):
_name = 'discount.slider'
_description = 'Discount Slider'name = fields.Char(string=“Product Name”)
discount_percentage = fields.Float(string=“Discount Percentage”, default=10.0) # Default discount is 10%

Step 2: Update the View

Change the slider_view.xml to display the slider for adjusting the discount:

xml
<odoo>
<data>
<!-- Form view for the Discount Slider -->
<record id="view_discount_slider_form" model="ir.ui.view">
<field name="name">discount.slider.form</field>
<field name="model">discount.slider</field>
<field name="arch" type="xml">
<form string="Discount Slider">
<group>
<field name="name"/>
<field name="discount_percentage" widget="slider" options="{'min': 0, 'max': 50, 'step': 1}" />
</group>
<footer>
<button string="Save" type="object" name="action_save"/>
</footer>
</form>
</field>
</record><!– Action for opening the form –>
<record id=“action_discount_slider” model=“ir.actions.act_window”>
<field name=“name”>Discount Slider</field>
<field name=“res_model”>discount.slider</field>
<field name=“view_mode”>form</field>
</record><!– Menu item to access the discount slider –>
<menuitem id=“menu_discount_slider” name=“Discount Slider” parent=“base.menu_custom” action=“action_discount_slider”/>
</data>
</odoo>

Step 3: Update the Manifest File

python
{
'name': 'Discount Slider Example',
'version': '1.0',
'category': 'Sales',
'author': 'Your Name',
'depends': ['base'],
'data': [
'views/slider_view.xml',
],
'installable': True,
'application': True,
}

Conclusion

Sliders are a great way to provide users with a visual and interactive way to select numeric values. In Odoo, implementing a slider is straightforward, and it can be customized to fit a wide range of use cases, such as setting discounts or adjusting quantities.

By following the steps outlined in this article, you can integrate sliders into your Odoo custom modules, offering a better user experience while maintaining the power and flexibility of Odoo’s ERP system.

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