Re: Why Roo generated Expenses app works despite not having any DataProvider in its CellTable ?

2011-01-20 Thread Thomas Broyer
You can just call setRowCount and setRowData on the CellTable.

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Re: Why Roo generated Expenses app works despite not having any DataProvider in its CellTable ?

2011-01-20 Thread zixzigma
do you mean setRowCount and setRowData is the same as using
AsyncDataProvider ?
why is that ?

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Re: Why Roo generated Expenses app works despite not having any DataProvider in its CellTable ?

2011-01-20 Thread John LaBanca
You can manually set data in CellTable by calling
CellTable#setRowCount/setRowData().  You can listen for RangeChangeEvents
using CellTable#addRangeChangeHandler().

ListDataProvider and AsyncDataProvider are convenience classes that handle
hookup with the table and ensure that only data in range is sent to the
table.  ListDataProvider in particular binds to a java.util.List, which is
convenient.  However, using these classes is not required, and
DataProvider is just a naming convention.

Thanks,
John LaBanca
jlaba...@google.com


On Thu, Jan 20, 2011 at 3:29 PM, zixzigma zixzi...@gmail.com wrote:

 do you mean setRowCount and setRowData is the same as using
 AsyncDataProvider ?
 why is that ?

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Re: Why Roo generated Expenses app works despite not having any DataProvider in its CellTable ?

2011-01-20 Thread zixzigma
Thank You,
I understand the fact that we can use setRowCount, setRowData and
addRangeChangeHandler.

I also read in the documentation that AsyncDataProvider and
ListDataProvider are convinience classes

what I do Not understand, is when should we use one over the other.
In other words, when should we use (setRowCount/setRowData/
RangeChangeHandler) vs AsyncDataProvider ?

how they compare, and what is the benefit of each ?

Thank You

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