Product Options With Stock Quantity

My products have many colors.

Stock quantity of the product is different, How can be individually calculated, Quantity individual colors of the products?

option color
value orange 10 stock
value white 5 stock
value green 8 stock

When someone buys a stock is calculated automatically white -1

Does anyone know what I mean?

This report is exactly what you are looking for:

http://www.opencart.com/index.php?route ... n_id=25281

I do not need a report!

Because our method, Products Option is to use the quantity of products to use as stock, As long as the product color option is purchased, the product which option will be is reduced by one.

As long as the quantity of items of the product option is 0 for no stock.

Do you understand me?

Just set the quantity of the option to the level you have , and set it to subtract 'yes'
Set your product on subtract 'no'

Make the option required.

Hope this will help for you.

Thank you for your reply!

Your way can indeed be used as a stock option to use, But I seem to have found another more accurate extension.

Quantity based on options quantity

This quantity seems to be able to directly use the product options, Use as stock quantity.

But I'm not sure there is no option products, The effect is how to use.

Currently awaiting his reply!