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how to create a custom filter [message #1818532]

Thu, 19 December 2019 03:27

zida wang

Messages: 7
Registered: November 2019

Junior Member

I want to add a filter to my popupmenu which can filter the cell text,but i don't know how to do it .I think it may be create a command,but I don't know what to do next ,I want to use NatTable 's filter

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Re: how to create a custom filter [message #1818535 is a reply to message #1818532]

Thu, 19 December 2019 05:38

Dirk Fauth

Messages: 2902
Registered: July 2012

Senior Member

If you want to programmatically filter using GlazedLists you need to pass a Matcher or MatcherEditor to the FilterList. If you have also the filter row in place that would interfere with the defaults. For such cases we have the DefaultGlazedListsStaticFilterStrategy where you can pass a Matcher that works in combination with the filter row.

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Re: how to create a custom filter [message #1818583 is a reply to message #1818535]

Fri, 20 December 2019 07:08

zida wang

Messages: 7
Registered: November 2019

Junior Member

If I use DefaultGlazedListsStaticFilterStrategy,I need to use FilterRowHeaderComposite but,I want to use MenuItem ,When I click the menuitem,filter the selected cell text

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Re: how to create a custom filter [message #1818584 is a reply to message #1818583]

Fri, 20 December 2019 08:01

Dirk Fauth

Messages: 2902
Registered: July 2012

Senior Member

Then pass the matcher directly to the FilterList. There is no default implementation for that. You have to impl it yourself

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Re: how to create a custom filter [message #1818638 is a reply to message #1818584]

Sat, 21 December 2019 03:20

zida wang

Messages: 7
Registered: November 2019

Junior Member

Here's my code
EventList eventlist =new BasicEventList(myDatas);
Matcher matcher =new FilterMatcher(myDatas);
FilterList filterlist =new FilterList (eventlist,matcher);
DefaultGlazedListStaticFilterStrategy strategy = new DefaultGlazedListStaticFilterStrategy (filterlist,accessor, new ConfigRegistry());
strategy.applyFilter(map);
but it didn't work. the filterlist's size always is 0.

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Re: how to create a custom filter [message #1818640 is a reply to message #1818638]

Sat, 21 December 2019 06:59

Dirk Fauth

Messages: 2902
Registered: July 2012

Senior Member

I thought you don't want to use the DefaultGlazedListStaticFilterStrategy. If you don't want the filter row it is not needed. You only need the matcher on the FilterList.

Probably the Matcher is not correct. For example I don't understand why you pass the FilterList as parameter. Check for the GlazedLists documentation to see how plain filtering works.

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