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Filter Row - Initial values [message #1698878]

Thu, 18 June 2015 13:40

Thomas Kernstock

Messages: 27
Registered: July 2009
Location: Vienna

Junior Member

Hi,

I would like to set the initial value of a filter when showing the NAT table for the first time. This should not be a static filter and the filtervalue should be visible in the filter row in the same way it is there after entering the value manually. I would need that for Text and Dropdown.

Thanx
Thomas

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Re: Filter Row - Initial values [message #1698890 is a reply to message #1698878]

Thu, 18 June 2015 14:29

Dirk Fauth

Messages: 2803
Registered: July 2012

Senior Member

FilterRowDataProvider#setDataValue()

before opening should do the job

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Re: Filter Row - Initial values [message #1698897 is a reply to message #1698890]

Thu, 18 June 2015 15:08

Thomas Kernstock

Messages: 27
Registered: July 2009
Location: Vienna

Junior Member

Hi Dirk,

thank you for the fast reply.

This works great for Stringfields but I still have a problem with Dropdowns.

Lets assume I have a dropdown in col. 3 with the values {"A", "B", "C", "D"}

Neither
filterRowHeaderLayer.getFilterRowDataLayer().getFilterRowDataProvider().setDataValue(3, 0, new Integer(2) );
nor
filterRowHeaderLayer.getFilterRowDataLayer().getFilterRowDataProvider().setDataValue(3, 0, new String("C") );

will work. The value is set to the Field but I receive an errormessage:

SCHWERWIEGEND: Error on applying a filter
java.lang.NullPointerException
at org.eclipse.nebula.widgets.nattable.extension.glazedlists.filterrow.DefaultGlazedListsFilterStrategy.getStringFromColumnObject(DefaultGlazedListsFilterStrategy.java:227)
at org.eclipse.nebula.widgets.nattable.extension.glazedlists.filterrow.DefaultGlazedListsFilterStrategy.applyFilter(DefaultGlazedListsFilterStrategy.java:147)

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Re: Filter Row - Initial values [message #1698908 is a reply to message #1698897]

Thu, 18 June 2015 16:44

Dirk Fauth

Messages: 2803
Registered: July 2012

Senior Member

It's an NPE. So is there a display converter registered for that column? And if so, why does it return null?

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Re: Filter Row - Initial values [message #1698923 is a reply to message #1698908]

Thu, 18 June 2015 21:15

Dirk Fauth

Messages: 2803
Registered: July 2012

Senior Member

When are you setting the values? You need to set them AFTER NatTable#configure() as it immediately triggers applying the filter. If you set the values before, the NatTable instance is not initialized.

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