Rendering a component into an ExtJS grid

I want to render a split button into a column in a grid to perform actions on each row. I can't seem to figure out how to 开发者_C百科build a custom cell renderer that will accomplish this.

Each cell will have the exact same split button, but will act on the id of the row the split button is in.

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You need to setup a custom renderer for the column, have a look at this example: http://techmix.net/blog/2010/11/25/add-button-to-extjs-gridpanel-cell-using-renderer/