| Re: [platform-swt-dev] Table and TableViewer |
this is the wrong forum for your question please try the platform-newsgroup. news://news.eclipse.org/eclipse.platform Mark Proctor wrote: > I'm doing some Table and TableViewer development as part of a Worksheet > application. > 1) How do I highlight rows/columns - or is this something I have to > handle manually by iterating and changing the BG color of each cell? > using JFace: How about ITableColorProvider and ITableFontProvider when implementing the LabelProvider. > 2) if I want to make cells flash what is the best way to do this? > -Currently I have a Timer which has a HashMap of FlashRequsts(Table > table, int col, int row) The Timer fires every 1000ms and then uses a > asyncexec to iterate through the map and switch the colors. However on a > really large system, 30,000-90,000 cells where only a small proportion > are visible I'm wondering if I should add in a mechanism to determine if > the cell is visible - especially as each flash request evaluates and > expression to determine the cell should flash. In Jtable this mechanism > is part of the render process where it only tries to render visible > cells and it intercepts the renderer setting the correct bg color. If I > should add this machanism, how would I do it? > > 3) This is really presnetation logic. If I'm going to extend the API for > row/column highlighting and cell flashing; where is the correct place to > add the methods. I have a Worksheet (The model), > WorksheetContentProvider (IStructuredContentProvider), > WorksheetLabelProvider (ITableLabelProvider) , WorksheetCellModifier > (ICellModifier). I think I should extend the Table with methods I need - > WorksheetTable - I can probably add the boolean isVisible(TableItem > tableItem, int index) to determine if a cell is visible or not. > > 3) Is it possible to only render the cell grid for populated cells? > > Thanks > > Mark > > > _______________________________________________ > platform-swt-dev mailing list > platform-swt-dev@xxxxxxxxxxx > https://dev.eclipse.org/mailman/listinfo/platform-swt-dev > -- B e s t S o l u t i o n . a t EDV Systemhaus GmbH ------------------------------------------------------------------------ tom schindl leiter softwareentwicklung/CSE mobile ++43 676 3232147 ------------------------------------------------------------------------ eduard-bodem-gasse 8/3 A-6020 innsbruck fax ++43 512 935833 http://www.bestsolution.at phone ++43 512 935834
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