How to insert a temporary container between grid row?

[DennisChan]

I have a grid with two column, the first column store my content and the second column is an action column that work as a button.

When I click the reply button, I want a "reply window" to be showed under the row that I click.

May anyone teach me how to do that please?
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demo : https://fiddle.sencha.com/#fiddle/2re2&view/editor

[dawesi]

There is a couple of ways to do this off the top of my head

1. use row expander plugin to expand content
2. put a hidden container in the row and use loader to load in extra content https://docs.sencha.com/extjs/5.1.4/api/Ext.container.Container.html#cfg-loader

Personally I'd use a window to popup the reply, but that's me.