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ExtGWT Rich Internet Application Cookbook by Odili Charles Opute

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Easy record selection with checkboxes

The default GXT Grid component allows record selection out of the box with its internal usage of GridSelectionModel which is configured with SelectionMode.MULTI to allow multiple record selections on the grid. This explains why GXT Grid (unless otherwise configured) allows you to select a row by clicking on it and also allows contiguous row selection by holding down the Shift key. You can equally select specific records if the Ctrl (control) key is down.

CheckBoxSelectionModel is a plugin that derives from the previously mentioned GridSelectionModel and then provides a column of checkboxes such that there is a checkbox for each record used to select, and more importantly, also deselect the record. It also ...

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