Examples with IDataProvider org.eclipse.nebula.widgets.nattable.data.IDataProvider used on opensource projects

Example 21 with IDataProvider

use of org.eclipse.nebula.widgets.nattable.data.IDataProvider 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 22 with IDataProvider

use of org.eclipse.nebula.widgets.nattable.data.IDataProvider 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 23 with IDataProvider

use of org.eclipse.nebula.widgets.nattable.data.IDataProvider in project nebula.widgets.nattable by eclipse.

the class _5051_SelectionLayerExample 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" };
    IColumnPropertyAccessor<PersonWithAddress> columnPropertyAccessor = new ExtendedReflectiveColumnPropertyAccessor<>(propertyNames);
    IDataProvider bodyDataProvider = new ListDataProvider<>(PersonService.getPersonsWithAddress(50), columnPropertyAccessor);
    DataLayer bodyDataLayer = new DataLayer(bodyDataProvider);
    SelectionLayer selectionLayer = new SelectionLayer(bodyDataLayer);
    ViewportLayer viewportLayer = new ViewportLayer(selectionLayer);
    // as the selection mouse bindings are registered for the region label
    // GridRegion.BODY
    // we need to set that region label to the viewport so the selection via
    // mouse is working correctly
    viewportLayer.setRegionName(GridRegion.BODY);
    NatTable natTable = new NatTable(parent, viewportLayer);
    return natTable;
}

Example 24 with IDataProvider

use of org.eclipse.nebula.widgets.nattable.data.IDataProvider in project nebula.widgets.nattable by eclipse.

the class _5053_SelectionEventsExample 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);
    final List<Person> data = PersonService.getPersons(10);
    // create the body layer stack
    final IRowDataProvider<Person> bodyDataProvider = new ListDataProvider<>(data, columnPropertyAccessor);
    final DataLayer bodyDataLayer = new DataLayer(bodyDataProvider);
    final SelectionLayer selectionLayer = new SelectionLayer(bodyDataLayer);
    ViewportLayer viewportLayer = new ViewportLayer(selectionLayer);
    // create the column header layer stack
    IDataProvider columnHeaderDataProvider = new DefaultColumnHeaderDataProvider(propertyNames, propertyToLabelMap);
    ILayer columnHeaderLayer = new ColumnHeaderLayer(new DataLayer(columnHeaderDataProvider), viewportLayer, selectionLayer);
    // create the row header layer stack
    IDataProvider rowHeaderDataProvider = new DefaultRowHeaderDataProvider(bodyDataProvider);
    ILayer rowHeaderLayer = new RowHeaderLayer(new DefaultRowHeaderDataLayer(new DefaultRowHeaderDataProvider(bodyDataProvider)), viewportLayer, selectionLayer);
    // create the corner layer stack
    ILayer cornerLayer = new CornerLayer(new DataLayer(new DefaultCornerDataProvider(columnHeaderDataProvider, rowHeaderDataProvider)), rowHeaderLayer, columnHeaderLayer);
    // create the grid layer composed with the prior created layer stacks
    GridLayer gridLayer = new GridLayer(viewportLayer, columnHeaderLayer, rowHeaderLayer, cornerLayer);
    final NatTable natTable = new NatTable(parent, gridLayer);
    // Events are fired whenever selection occurs. These can be use to
    // trigger external actions as required.
    // 
    // This adds a custom ILayerListener that will listen and handle
    // selection events on NatTable level
    natTable.addLayerListener(new ILayerListener() {

        // Default selection behavior selects cells by default.
        @Override
        public void handleLayerEvent(ILayerEvent event) {
            if (event instanceof CellSelectionEvent) {
                CellSelectionEvent cellEvent = (CellSelectionEvent) event;
                log("Selected cell: [" + cellEvent.getRowPosition() + ", " + cellEvent.getColumnPosition() + "], " + natTable.getDataValueByPosition(cellEvent.getColumnPosition(), cellEvent.getRowPosition()));
            } else if (event instanceof ColumnSelectionEvent) {
                ColumnSelectionEvent columnEvent = (ColumnSelectionEvent) event;
                log("Selected Column: " + columnEvent.getColumnPositionRanges());
            } else if (event instanceof RowSelectionEvent) {
                // directly ask the SelectionLayer about the selected rows
                // and access the data via IRowDataProvider
                Collection<Range> selections = selectionLayer.getSelectedRowPositions();
                StringBuilder builder = new StringBuilder("Selected Persons: ").append(selectionLayer.getSelectedRowPositions()).append("[");
                for (Range r : selections) {
                    for (int i = r.start; i < r.end; i++) {
                        Person p = bodyDataProvider.getRowObject(i);
                        if (p != null) {
                            if (!builder.toString().endsWith("[")) {
                                builder.append(", ");
                            }
                            builder.append(p.getFirstName()).append(" ").append(p.getLastName());
                        }
                    }
                }
                builder.append("]");
                log(builder.toString());
            }
        }
    });
    // Layout widgets
    parent.setLayout(new GridLayout(1, true));
    natTable.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, true));
    // add a log area to the example to show the log entries
    setupTextArea(parent);
    return natTable;
}

Example 25 with IDataProvider

use of org.eclipse.nebula.widgets.nattable.data.IDataProvider in project nebula.widgets.nattable by eclipse.

the class _5062_CompositeHoverStylingExample 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");
    // build the body layer stack
    // Usually you would create a new layer stack by extending
    // AbstractIndexLayerTransform and setting the ViewportLayer
    // as underlying layer. But in this case using the ViewportLayer
    // directly as body layer is also working.
    IDataProvider bodyDataProvider = new DefaultBodyDataProvider<>(PersonService.getPersons(10), propertyNames);
    DataLayer bodyDataLayer = new DataLayer(bodyDataProvider);
    HoverLayer hoverLayer = new HoverLayer(bodyDataLayer);
    SelectionLayer selectionLayer = new SelectionLayer(hoverLayer);
    ViewportLayer viewportLayer = new ViewportLayer(selectionLayer);
    // build the column header layer
    IDataProvider columnHeaderDataProvider = new DefaultColumnHeaderDataProvider(propertyNames, propertyToLabelMap);
    DataLayer columnHeaderDataLayer = new DefaultColumnHeaderDataLayer(columnHeaderDataProvider);
    HoverLayer columnHoverLayer = new HoverLayer(columnHeaderDataLayer, false);
    ColumnHeaderLayer columnHeaderLayer = new ColumnHeaderLayer(columnHoverLayer, viewportLayer, selectionLayer, false);
    // add ColumnHeaderHoverLayerConfiguration to ensure that hover styling
    // and resizing is working together
    columnHeaderLayer.addConfiguration(new ColumnHeaderHoverLayerConfiguration(columnHoverLayer));
    CompositeLayer compLayer = new CompositeLayer(1, 2);
    compLayer.setChildLayer(GridRegion.COLUMN_HEADER, columnHeaderLayer, 0, 0);
    compLayer.setChildLayer(GridRegion.BODY, viewportLayer, 0, 1);
    // turn the auto configuration off as we want to add our hover styling
    // configuration
    NatTable natTable = new NatTable(parent, compLayer, false);
    // as the autoconfiguration of the NatTable is turned off, we have to
    // add the DefaultNatTableStyleConfiguration manually
    natTable.addConfiguration(new DefaultNatTableStyleConfiguration());
    // add the style configuration for hover
    natTable.addConfiguration(new AbstractRegistryConfiguration() {

        @Override
        public void configureRegistry(IConfigRegistry configRegistry) {
            Style style = new Style();
            style.setAttributeValue(CellStyleAttributes.BACKGROUND_COLOR, GUIHelper.getColor(217, 232, 251));
            configRegistry.registerConfigAttribute(CellConfigAttributes.CELL_STYLE, style, DisplayMode.HOVER);
            Image bgImage = GUIHelper.getImageByURL("columnHeaderBg", getClass().getResource("/org/eclipse/nebula/widgets/nattable/examples/resources/column_header_bg.png"));
            Image hoverBgImage = GUIHelper.getImageByURL("hoverColumnHeaderBg", getClass().getResource("/org/eclipse/nebula/widgets/nattable/examples/resources/hovered_column_header_bg.png"));
            TextPainter txtPainter = new TextPainter(false, false);
            ICellPainter bgImagePainter = new BackgroundImagePainter(txtPainter, bgImage, GUIHelper.getColor(192, 192, 192));
            configRegistry.registerConfigAttribute(CellConfigAttributes.CELL_PAINTER, bgImagePainter, DisplayMode.NORMAL, GridRegion.COLUMN_HEADER);
            configRegistry.registerConfigAttribute(CellConfigAttributes.CELL_PAINTER, bgImagePainter, DisplayMode.NORMAL, GridRegion.CORNER);
            ICellPainter hoveredHeaderPainter = new BackgroundImagePainter(txtPainter, hoverBgImage, GUIHelper.getColor(192, 192, 192));
            configRegistry.registerConfigAttribute(CellConfigAttributes.CELL_PAINTER, hoveredHeaderPainter, DisplayMode.HOVER, GridRegion.COLUMN_HEADER);
        }
    });
    natTable.configure();
    return natTable;
}