Examples with CellSelectionEvent org.eclipse.nebula.widgets.nattable.selection.event.CellSelectionEvent used on opensource projects

Example 1 with CellSelectionEvent

use of org.eclipse.nebula.widgets.nattable.selection.event.CellSelectionEvent in project nebula.widgets.nattable by eclipse.

the class NatTable method handleLayerEvent.

// Events /////////////////////////////////////////////////////////////////
@Override
public void handleLayerEvent(ILayerEvent event) {
    List<ILayerListener> currentListeners;
    this.eventListenerLock.readLock().lock();
    try {
        currentListeners = this.listeners;
    } finally {
        this.eventListenerLock.readLock().unlock();
    }
    for (ILayerListener layerListener : currentListeners) {
        layerListener.handleLayerEvent(event);
    }
    if (event instanceof CellVisualUpdateEvent) {
        CellVisualUpdateEvent update = (CellVisualUpdateEvent) event;
        repaintCell(update.getColumnPosition(), update.getRowPosition());
        return;
    }
    if (event instanceof ColumnVisualUpdateEvent) {
        ColumnVisualUpdateEvent update = (ColumnVisualUpdateEvent) event;
        // if more than one column has changed repaint the whole table
        Collection<Range> ranges = update.getColumnPositionRanges();
        if (ranges.size() == 1) {
            Range range = ranges.iterator().next();
            if (range.end - range.start == 1) {
                repaintColumn(range.start);
                return;
            }
        }
    }
    if (event instanceof RowVisualUpdateEvent) {
        RowVisualUpdateEvent update = (RowVisualUpdateEvent) event;
        // if more than one row has changed repaint the whole table
        Collection<Range> ranges = update.getRowPositionRanges();
        if (ranges.size() == 1) {
            Range range = ranges.iterator().next();
            if (range.end - range.start == 1) {
                repaintRow(range.start);
                return;
            }
        }
    }
    if (event instanceof ISelectionEvent) {
        if (event instanceof CellSelectionEvent || event instanceof RowSelectionEvent) {
            Event e = new Event();
            e.widget = this;
            try {
                notifyListeners(SWT.Selection, e);
            } catch (RuntimeException re) {
                // $NON-NLS-1$
                log.error("Error on SWT selection processing", re);
            }
        }
        // in case of selections we redraw immediately
        // this is because with Bug 440037 it was reported that
        // NatTable is too lazy in handling selections which
        // was caused by the EventConflaterChain that only performs
        // updates every 100ms to avoid flickering when handling too
        // many refresh operations in a short period
        redraw();
    } else if (event instanceof IVisualChangeEvent) {
        this.conflaterChain.addEvent(event);
    }
    if (event instanceof CellEditorCreatedEvent) {
        CellEditorCreatedEvent editorEvent = (CellEditorCreatedEvent) event;
        this.activeCellEditor = editorEvent.getEditor();
        Control editorControl = this.activeCellEditor.getEditorControl();
        if (editorControl != null && !editorControl.isDisposed()) {
            editorControl.addDisposeListener(new DisposeListener() {

                @Override
                public void widgetDisposed(DisposeEvent e) {
                    NatTable.this.activeCellEditor = null;
                    ActiveCellEditorRegistry.unregisterActiveCellEditor();
                }
            });
        } else {
            this.activeCellEditor = null;
            ActiveCellEditorRegistry.unregisterActiveCellEditor();
        }
        ActiveCellEditorRegistry.registerActiveCellEditor(this.activeCellEditor);
    }
}

Example 2 with CellSelectionEvent

use of org.eclipse.nebula.widgets.nattable.selection.event.CellSelectionEvent 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 3 with CellSelectionEvent

use of org.eclipse.nebula.widgets.nattable.selection.event.CellSelectionEvent in project nebula.widgets.nattable by eclipse.

the class RowSelectionIntegrationTest method onlySelectRowEventsFired.

@Test
public void onlySelectRowEventsFired() {
    this.nattable.addLayerListener(new ILayerListener() {

        @Override
        public void handleLayerEvent(ILayerEvent event) {
            if (event instanceof CellSelectionEvent) {
                fail("CellSelectionEvent fired for row selection");
            }
        }
    });
    this.nattable.doCommand(new SelectRowsCommand(this.selectionLayer, 0, 0, false, false));
    // the second call first clears the selection and then applies the new
    // one clearing by default also fires a CellSelectionEvent with negative
    // values
    this.nattable.doCommand(new SelectRowsCommand(this.selectionLayer, 0, 3, false, false));
}

Example 4 with CellSelectionEvent

use of org.eclipse.nebula.widgets.nattable.selection.event.CellSelectionEvent in project nebula.widgets.nattable by eclipse.

the class SelectionEventsTest method shouldFireCellSelectionEvent.

@Test
public void shouldFireCellSelectionEvent() throws Exception {
    // Grid coordinates
    this.nattable.doCommand(new SelectCellCommand(this.nattable, 1, 5, NO_SHIFT, NO_CTRL));
    assertEquals(1, this.listener.getEventsCount());
    assertTrue(this.listener.containsInstanceOf(CellSelectionEvent.class));
    CellSelectionEvent event = (CellSelectionEvent) this.listener.getReceivedEvents().get(0);
    assertEquals(1, event.getColumnPosition());
    assertEquals(5, event.getRowPosition());
}

Example 5 with CellSelectionEvent

use of org.eclipse.nebula.widgets.nattable.selection.event.CellSelectionEvent in project nebula.widgets.nattable by eclipse.

the class SelectionLayer method fireCellSelectionEvent.

public void fireCellSelectionEvent(int columnPosition, int rowPosition, boolean forcingEntireCellIntoViewport, boolean withShiftMask, boolean withControlMask) {
    final CellSelectionEvent selectionEvent = new CellSelectionEvent(this, columnPosition, rowPosition, withShiftMask, withControlMask);
    fireLayerEvent(selectionEvent);
}