Examples with CellLayerPainter org.eclipse.nebula.widgets.nattable.painter.layer.CellLayerPainter used on opensource projects

Example 1 with CellLayerPainter

use of org.eclipse.nebula.widgets.nattable.painter.layer.CellLayerPainter in project nebula.widgets.nattable by eclipse.

the class _5044_HorizontalSplitViewportGridExample method createExampleControl.

@Override
public Control createExampleControl(Composite parent) {
    // property names of the Person class
    String[] propertyNames = { "firstName", "lastName", "gender", "married", "birthday", "address.street", "address.housenumber", "address.postalCode", "address.city" };
    // mapping from property to label, needed for column header labels
    Map<String, String> propertyToLabelMap = new HashMap<>();
    propertyToLabelMap.put("firstName", "Firstname");
    propertyToLabelMap.put("lastName", "Lastname");
    propertyToLabelMap.put("gender", "Gender");
    propertyToLabelMap.put("married", "Married");
    propertyToLabelMap.put("birthday", "Birthday");
    propertyToLabelMap.put("address.street", "Street");
    propertyToLabelMap.put("address.housenumber", "Housenumber");
    propertyToLabelMap.put("address.postalCode", "Postal Code");
    propertyToLabelMap.put("address.city", "City");
    IColumnPropertyAccessor<PersonWithAddress> columnPropertyAccessor = new ExtendedReflectiveColumnPropertyAccessor<>(propertyNames);
    final BodyLayerStack<PersonWithAddress> bodyLayer = new BodyLayerStack<>(PersonService.getPersonsWithAddress(50), columnPropertyAccessor);
    // build the row header layer
    IDataProvider rowHeaderDataProvider = new DefaultRowHeaderDataProvider(bodyLayer.getBodyDataProvider());
    DataLayer rowHeaderDataLayer = new DefaultRowHeaderDataLayer(rowHeaderDataProvider);
    final ILayer rowHeaderLayer = new RowHeaderLayer(rowHeaderDataLayer, bodyLayer, bodyLayer.getSelectionLayer());
    // build the column header layer
    IDataProvider columnHeaderDataProvider = new DefaultColumnHeaderDataProvider(propertyNames, propertyToLabelMap);
    final DataLayer columnHeaderDataLayer = new DefaultColumnHeaderDataLayer(columnHeaderDataProvider);
    final AbstractLayer columnHeaderLayer = new ColumnHeaderLayer(columnHeaderDataLayer, bodyLayer, bodyLayer.getSelectionLayer());
    // Use this special layer painter that supports rendering of split
    // viewports although the ColumnHeaderLayer is not split. Here is some
    // custom calculation included that might not work correctly in case
    // there are column groups or other spanning involved.
    columnHeaderLayer.setLayerPainter(new CellLayerPainter() {

        @Override
        protected boolean isClipLeft(int position) {
            // check position-1 because of the row header column count
            // as the body is a composite layer, the default transformation
            // for the grid is not working correctly
            int index = LayerUtil.convertColumnPosition(columnHeaderLayer, position - 1, columnHeaderDataLayer);
            return (index > SPLIT_COLUMN_INDEX);
        }

        @Override
        protected void paintCell(ILayerCell cell, GC gc, IConfigRegistry configRegistry) {
            ILayer layer = cell.getLayer();
            int columnPosition = cell.getColumnPosition();
            int rowPosition = cell.getRowPosition();
            ICellPainter cellPainter = layer.getCellPainter(columnPosition, rowPosition, cell, configRegistry);
            Rectangle adjustedCellBounds = layer.getLayerPainter().adjustCellBounds(columnPosition, rowPosition, cell.getBounds());
            if (cellPainter != null) {
                Rectangle originalClipping = gc.getClipping();
                int startX = getStartXOfColumnPosition(columnPosition);
                int startY = getStartYOfRowPosition(rowPosition);
                int endX = getStartXOfColumnPosition(cell.getOriginColumnPosition() + cell.getColumnSpan());
                int endY = getStartYOfRowPosition(cell.getOriginRowPosition() + cell.getRowSpan());
                // correct position of first column in right region
                // find the last visible column in left region
                int viewportBorderX = bodyLayer.getViewportLayerLeft().getClientAreaWidth() + rowHeaderLayer.getWidth();
                if (isClipLeft(columnPosition) && startX < viewportBorderX) {
                    startX = viewportBorderX;
                }
                if (!isClipLeft(columnPosition - 1) && startX > viewportBorderX) {
                    startX = viewportBorderX;
                }
                if (isClipLeft(cell.getOriginColumnPosition() + cell.getColumnSpan()) && endX < viewportBorderX) {
                    endX = viewportBorderX;
                }
                Rectangle cellClipBounds = originalClipping.intersection(new Rectangle(startX, startY, endX - startX, endY - startY));
                gc.setClipping(cellClipBounds.intersection(adjustedCellBounds));
                cellPainter.paintCell(cell, gc, adjustedCellBounds, configRegistry);
                gc.setClipping(originalClipping);
            }
        }
    });
    // build the corner layer
    IDataProvider cornerDataProvider = new DefaultCornerDataProvider(columnHeaderDataProvider, rowHeaderDataProvider);
    DataLayer cornerDataLayer = new DataLayer(cornerDataProvider);
    final ILayer cornerLayer = new CornerLayer(cornerDataLayer, rowHeaderLayer, columnHeaderLayer);
    // build the grid layer
    GridLayer gridLayer = new GridLayer(bodyLayer, columnHeaderLayer, rowHeaderLayer, cornerLayer);
    // in order to make printing and exporting work correctly you need to
    // register the following command handlers
    gridLayer.registerCommandHandler(new MultiTurnViewportOnCommandHandler(bodyLayer.getViewportLayerLeft(), bodyLayer.getViewportLayerRight()));
    gridLayer.registerCommandHandler(new MultiTurnViewportOffCommandHandler(bodyLayer.getViewportLayerLeft(), bodyLayer.getViewportLayerRight()));
    // Wrap NatTable in composite so we can slap on the external horizontal
    // sliders
    Composite composite = new Composite(parent, SWT.NONE);
    GridLayout gridLayout = new GridLayout(1, false);
    gridLayout.marginHeight = 0;
    gridLayout.marginWidth = 0;
    gridLayout.horizontalSpacing = 0;
    gridLayout.verticalSpacing = 0;
    composite.setLayout(gridLayout);
    NatTable natTable = new NatTable(composite, gridLayer, false);
    GridData gridData = new GridData();
    gridData.horizontalAlignment = GridData.FILL;
    gridData.verticalAlignment = GridData.FILL;
    gridData.grabExcessHorizontalSpace = true;
    gridData.grabExcessVerticalSpace = true;
    natTable.setLayoutData(gridData);
    createSplitSliders(composite, rowHeaderLayer, bodyLayer.getViewportLayerLeft(), bodyLayer.getViewportLayerRight());
    // add an IOverlayPainter to ensure the right border of the left
    // viewport always
    // this is necessary because the left border of layer stacks is not
    // rendered by default
    natTable.addOverlayPainter(new IOverlayPainter() {

        @Override
        public void paintOverlay(GC gc, ILayer layer) {
            Color beforeColor = gc.getForeground();
            gc.setForeground(GUIHelper.COLOR_GRAY);
            int viewportBorderX = bodyLayer.getViewportLayerLeft().getWidth() + rowHeaderLayer.getWidth() - 1;
            gc.drawLine(viewportBorderX, 0, viewportBorderX, layer.getHeight() - 1);
            gc.setForeground(beforeColor);
        }
    });
    natTable.addConfiguration(new DefaultNatTableStyleConfiguration());
    natTable.addConfiguration(new HeaderMenuConfiguration(natTable));
    natTable.configure();
    return composite;
}

Example 2 with CellLayerPainter

use of org.eclipse.nebula.widgets.nattable.painter.layer.CellLayerPainter in project nebula.widgets.nattable by eclipse.

the class _5045_ScrollableRowHeaderExample method createExampleControl.

@Override
public Control createExampleControl(Composite parent) {
    // property names of the Person class
    String[] propertyNames = { "firstName", "lastName", "gender", "married", "birthday" };
    // mapping from property to label, needed for column header labels
    Map<String, String> propertyToLabelMap = new HashMap<>();
    propertyToLabelMap.put("firstName", "Firstname");
    propertyToLabelMap.put("lastName", "Lastname");
    propertyToLabelMap.put("gender", "Gender");
    propertyToLabelMap.put("married", "Married");
    propertyToLabelMap.put("birthday", "Birthday");
    IColumnPropertyAccessor<Person> columnPropertyAccessor = new ReflectiveColumnPropertyAccessor<>(propertyNames);
    IDataProvider bodyDataProvider = new ListDataProvider<>(PersonService.getPersons(10), columnPropertyAccessor);
    DataLayer bodyDataLayer = new DataLayer(bodyDataProvider);
    SelectionLayer selectionLayer = new SelectionLayer(bodyDataLayer);
    ViewportLayer viewportLayer = new ViewportLayer(selectionLayer);
    DataLayer rowDataLayer = new DataLayer(new IDataProvider() {

        @Override
        public void setDataValue(int columnIndex, int rowIndex, Object newValue) {
        }

        @Override
        public int getRowCount() {
            return bodyDataProvider.getRowCount();
        }

        @Override
        public Object getDataValue(int columnIndex, int rowIndex) {
            return "Lorem ipsum dolor";
        }

        @Override
        public int getColumnCount() {
            return 1;
        }
    });
    rowDataLayer.setDefaultColumnWidth(150);
    ViewportLayer rowViewport = new ViewportLayer(rowDataLayer);
    RowHeaderLayer scrollableRowHeaderLayer = new RowHeaderLayer(rowViewport, viewportLayer, selectionLayer);
    RowHeaderLayer rowHeaderLayer = new RowHeaderLayer(new DefaultRowHeaderDataLayer(new DefaultRowHeaderDataProvider(bodyDataProvider)), viewportLayer, selectionLayer);
    CompositeLayer compositeLayer = new CompositeLayer(2, 1);
    compositeLayer.setChildLayer(GridRegion.ROW_HEADER, rowHeaderLayer, 0, 0);
    compositeLayer.setChildLayer(GridRegion.ROW_HEADER, scrollableRowHeaderLayer, 1, 0);
    // build the column header layer
    IDataProvider columnHeaderDataProvider = new DefaultColumnHeaderDataProvider(propertyNames, propertyToLabelMap);
    final DataLayer columnHeaderDataLayer = new DefaultColumnHeaderDataLayer(columnHeaderDataProvider);
    final AbstractLayer columnHeaderLayer = new ColumnHeaderLayer(columnHeaderDataLayer, viewportLayer, selectionLayer);
    // build the corner layer
    IDataProvider cornerDataProvider = new DefaultCornerDataProvider(columnHeaderDataProvider, rowDataLayer.getDataProvider());
    DataLayer cornerDataLayer = new DataLayer(cornerDataProvider);
    final ILayer cornerLayer = new CornerLayer(cornerDataLayer, compositeLayer, columnHeaderLayer);
    GridLayer gridLayer = new GridLayer(viewportLayer, columnHeaderLayer, compositeLayer, cornerLayer);
    // MULTI-VIEWPORT-CONFIGURATION
    // use a cell layer painter that is configured for left clipping
    // this ensures that the rendering works correctly for split
    // viewports
    selectionLayer.setLayerPainter(new SelectionLayerPainter(true, false));
    columnHeaderLayer.setLayerPainter(new CellLayerPainter(true, false));
    // as the CompositeLayer is setting a IClientAreaProvider for the
    // composition we need to set a special ClientAreaAdapter after the
    // creation of the CompositeLayer to support split viewports
    int leftWidth = 100;
    ClientAreaAdapter leftClientAreaAdapter = new ClientAreaAdapter(rowViewport.getClientAreaProvider());
    leftClientAreaAdapter.setWidth(leftWidth);
    rowViewport.setClientAreaProvider(leftClientAreaAdapter);
    // Wrap NatTable in composite so we can slap on the external horizontal
    // sliders
    Composite composite = new Composite(parent, SWT.NONE);
    GridLayout gridLayout = new GridLayout(1, false);
    gridLayout.marginHeight = 0;
    gridLayout.marginWidth = 0;
    gridLayout.horizontalSpacing = 0;
    gridLayout.verticalSpacing = 0;
    composite.setLayout(gridLayout);
    NatTable natTable = new NatTable(composite, gridLayer);
    GridData gridData = new GridData();
    gridData.horizontalAlignment = GridData.FILL;
    gridData.verticalAlignment = GridData.FILL;
    gridData.grabExcessHorizontalSpace = true;
    gridData.grabExcessVerticalSpace = true;
    natTable.setLayoutData(gridData);
    createSplitSliders(composite, rowViewport, rowHeaderLayer.getWidth(), viewportLayer);
    // add an IOverlayPainter to render the split viewport border
    natTable.addOverlayPainter(new IOverlayPainter() {

        @Override
        public void paintOverlay(GC gc, ILayer layer) {
            Color beforeColor = gc.getForeground();
            gc.setForeground(GUIHelper.COLOR_GRAY);
            int viewportBorderX = compositeLayer.getWidth() - 1;
            gc.drawLine(viewportBorderX, 0, viewportBorderX, layer.getHeight() - 1);
            gc.setForeground(beforeColor);
        }
    });
    // Mouse move - Show resize cursor
    natTable.getUiBindingRegistry().registerFirstMouseMoveBinding(new ClientAreaResizeMatcher(compositeLayer), new VerticalResizeCursorAction());
    natTable.getUiBindingRegistry().registerFirstMouseDragMode(new ClientAreaResizeMatcher(compositeLayer), new ClientAreaResizeDragMode(compositeLayer, rowDataLayer, leftClientAreaAdapter, rowViewport, viewportLayer));
    return natTable;
}

Example 3 with CellLayerPainter

use of org.eclipse.nebula.widgets.nattable.painter.layer.CellLayerPainter in project nebula.widgets.nattable by eclipse.

the class _5046_MultiScrollExample method createExampleControl.

@Override
public Control createExampleControl(Composite parent) {
    List<PersonWithAddress> values = PersonService.getPersonsWithAddress(10);
    ContentBodyLayerStack contentBodyLayer = new ContentBodyLayerStack(values);
    StructureBodyLayerStack structureBodyLayer = new StructureBodyLayerStack(values, contentBodyLayer);
    // build the column header layer
    IDataProvider contentHeaderDataProvider = new DefaultColumnHeaderDataProvider(contentBodyLayer.propertyNames, contentBodyLayer.propertyToLabelMap);
    DataLayer contentHeaderDataLayer = new DefaultColumnHeaderDataLayer(contentHeaderDataProvider);
    AbstractLayer contentColumnHeaderLayer = new ColumnHeaderLayer(contentHeaderDataLayer, contentBodyLayer, contentBodyLayer.getSelectionLayer());
    IDataProvider structureHeaderDataProvider = new DefaultColumnHeaderDataProvider(structureBodyLayer.propertyNames, structureBodyLayer.propertyToLabelMap);
    DataLayer structureHeaderDataLayer = new DefaultColumnHeaderDataLayer(structureHeaderDataProvider);
    ColumnHeaderLayer structureColumnHeaderLayer = new ColumnHeaderLayer(structureHeaderDataLayer, structureBodyLayer, structureBodyLayer.selectionLayer);
    structureColumnHeaderLayer.setVerticalLayerDependency(contentColumnHeaderLayer);
    DataLayer rowHeaderDataLayer = new DefaultRowHeaderDataLayer(new DefaultRowHeaderDataProvider(contentBodyLayer.bodyDataProvider));
    ILayer rowHeaderLayer = new RowHeaderLayer(rowHeaderDataLayer, contentBodyLayer, (SelectionLayer) null);
    // build the corner layer
    IDataProvider cornerDataProvider = new DefaultCornerDataProvider(contentHeaderDataProvider, rowHeaderDataLayer.getDataProvider());
    DataLayer cornerDataLayer = new DataLayer(cornerDataProvider);
    ILayer cornerLayer = new CornerLayer(cornerDataLayer, rowHeaderLayer, contentColumnHeaderLayer);
    ExtendedGridLayer gridLayer = new ExtendedGridLayer(contentBodyLayer, contentColumnHeaderLayer, structureBodyLayer, structureColumnHeaderLayer, rowHeaderLayer, cornerLayer);
    // MULTI-VIEWPORT-CONFIGURATION
    // as the CompositeLayer is setting a IClientAreaProvider for the
    // composition we need to set a special ClientAreaAdapter after the
    // creation of the CompositeLayer to support split viewports
    int leftWidth = 80;
    ClientAreaAdapter leftClientAreaAdapter = new ClientAreaAdapter(structureBodyLayer.getViewportLayer().getClientAreaProvider());
    leftClientAreaAdapter.setWidth(leftWidth);
    structureBodyLayer.getViewportLayer().setClientAreaProvider(leftClientAreaAdapter);
    structureBodyLayer.getViewportLayer().setVerticalScrollbarEnabled(false);
    // use a cell layer painter that is configured for left clipping
    // this ensures that the rendering works correctly for split
    // viewports
    contentBodyLayer.getSelectionLayer().setLayerPainter(new SelectionLayerPainter(true, false));
    contentColumnHeaderLayer.setLayerPainter(new CellLayerPainter(true, false));
    ScrolledComposite sc = new ScrolledComposite(parent, SWT.H_SCROLL | SWT.V_SCROLL);
    // Wrap NatTable in composite so we can slap on the external horizontal
    // sliders
    Composite composite = new Composite(sc, SWT.NONE);
    GridLayout gridLayout = new GridLayout(1, false);
    gridLayout.marginHeight = 0;
    gridLayout.marginWidth = 0;
    gridLayout.horizontalSpacing = 0;
    gridLayout.verticalSpacing = 0;
    composite.setLayout(gridLayout);
    NatTable natTable = new NatTable(composite, gridLayer);
    GridData gridData = new GridData();
    gridData.horizontalAlignment = GridData.FILL;
    gridData.verticalAlignment = GridData.FILL;
    gridData.grabExcessHorizontalSpace = true;
    gridData.grabExcessVerticalSpace = true;
    natTable.setLayoutData(gridData);
    createSplitSliders(composite, gridLayer, rowHeaderLayer.getWidth());
    sc.setContent(composite);
    sc.setExpandHorizontal(true);
    sc.setExpandVertical(true);
    updateScrolledCompositeSize(sc, gridLayer);
    // add an IOverlayPainter to render the split viewport border
    natTable.addOverlayPainter(new IOverlayPainter() {

        @Override
        public void paintOverlay(GC gc, ILayer layer) {
            Color beforeColor = gc.getForeground();
            gc.setForeground(GUIHelper.COLOR_GRAY);
            int viewportBorderX = rowHeaderLayer.getWidth() + gridLayer.getStructureBody().getWidth() - 1;
            gc.drawLine(viewportBorderX, 0, viewportBorderX, layer.getHeight() - 1);
            gc.setForeground(beforeColor);
        }
    });
    // Mouse move - Show resize cursor
    natTable.getUiBindingRegistry().registerFirstMouseMoveBinding(new ClientAreaResizeMatcher(gridLayer), new VerticalResizeCursorAction());
    natTable.getUiBindingRegistry().registerFirstMouseDragMode(new ClientAreaResizeMatcher(gridLayer), new ClientAreaResizeDragMode(gridLayer, sc));
    return natTable;
}