com.vaadin.client.widgets.Grid Java Examples

@Override
protected BodyClickHandler createBodyClickHandler(Grid<JsonObject> grid) {
    return event -> {
        JsonObject row = grid.getEventCell().getRow();
        NativeEvent e = event.getNativeEvent();

        if (!e.getCtrlKey() && !e.getMetaKey()) {
            if (!grid.isSelected(row)) {
                grid.select(row);
            }
        } else {
            if (!grid.isSelected(row)) {
                grid.select(row);
            } else if (isDeselectAllowed()) {
                grid.deselect(row);
            }
        }
    };
}
 

private void checkForRTE(Widget popupComponentWidget2) {
    if (popupComponentWidget2 instanceof VRichTextArea) {
        ComponentConnector rtaConnector = Util
                .findConnectorFor(popupComponentWidget2);
        if (rtaConnector != null) {
            rtaConnector.flush();
        }
    } else if (popupComponentWidget2 instanceof Grid) {
        // Grid implements HasWidgets but iterator() throws
        // UnsupportedOperationException so don't do anything
        // in case of Grid.
    } else if (popupComponentWidget2 instanceof HasWidgets) {
        HasWidgets hw = (HasWidgets) popupComponentWidget2;
        Iterator<Widget> iterator = hw.iterator();
        while (iterator.hasNext()) {
            checkForRTE(iterator.next());
        }
    }
}
 

@Override
protected void updateColumns() {
    super.updateColumns();

    if (getWidget().getColumnIds() != null) {
        getWidget().setColumnIds(null);
    }

    if (getState().columnIds != null) {
        List<Grid.Column<?, JsonObject>> currentColumns = getWidget().getColumns();

        for (Grid.Column<?, JsonObject> column : currentColumns) {
            String id = getColumnId(column);
            if (getState().columnIds.containsKey(id)) {
                getWidget().addColumnId(column, getState().columnIds.get(id));
            }
        }
    }
}
 

@OnStateChange("selectionMode")
void setSelectionMode() {
	if (clickHandler != null) {
		clickHandler.removeHandler();
		clickHandler = null;
	}

	BodyClickHandler handler;
	Grid<JsonObject> grid = getGrid();
	switch (getState().selectionMode) {
	case CTRL:
		handler = new CtrlClickSelectionHandler(grid);
		break;
	case SIMPLE:
		handler = new SimpleClickSelectionHandler(grid);
		break;
	case SHIFT:
		handler = new ShiftCtrlClickSelectionHandler(grid, getRpcProxy(ShiftSelectRpc.class));
		break;
	case NONE:
	default:
		return;
	}

	clickHandler = grid.addBodyClickHandler(handler);
}
 

@Override
protected boolean handleCloseEvent(Grid.EditorDomEvent<T> event) {
    boolean result = super.handleCloseEvent(event);
    if (result) {
        event.getDomEvent().stopPropagation();
    }
    return result;
}
 

@Override
protected void extend(ServerConnector target) {
    super.extend(target);

    if (!Tools.isUseSimpleMultiselectForTouchDevice()) {
        if (clickHandler != null) {
            clickHandler.removeHandler();
            clickHandler = null;
        }

        Grid<JsonObject> grid = getGrid();
        BodyClickHandler handler = createBodyClickHandler(grid);
        clickHandler = grid.addBodyClickHandler(handler);
    }
}
 

@SuppressWarnings({ "rawtypes", "unchecked" })
@Override
protected void extend(ServerConnector target) {
	grid = (Grid<?>) ((ComponentConnector) target).getWidget();

	wrappingEnabled = false;
	WrappingClientRPC rpc = new WrappingClientRPC() {
		@Override
		public void setWrapping(boolean enable, int defaultRowHeight) {
			if (wrappingEnabled != enable) {
				wrappingEnabled = enable;
				DEFAULT_HEIGHT = defaultRowHeight;
				if (enable) {
					// Figure out default header height
					applyStyle.execute(0);
				} else {
					disableWrapping();
				}
			}
		}
	};

	registerRpc(WrappingClientRPC.class, rpc);

	resizeHandler = grid.addColumnResizeHandler(new ColumnResizeHandler() {
		@Override
		public void onColumnResize(ColumnResizeEvent event) {
			Scheduler.get().scheduleFinally(new Scheduler.ScheduledCommand() {
				@Override
				public void execute() {
					AnimationScheduler.get().requestAnimationFrame(applyStyle);						
				}
			});
		}
	});
}
 

public CubaClickSelectHandler(Grid<JsonObject> grid) {
    super(grid);
}
 

protected MultiSelectionBodyClickHandler createBodyClickHandler(Grid<JsonObject> grid) {
    return new MultiSelectionBodyClickHandler(grid);
}
 

public MultiSelectionBodyClickHandler(Grid<JsonObject> grid) {
    this.grid = grid;
}
 

public SimpleClickSelectionHandler(Grid<JsonObject> grid) {
    this.grid = grid;
}
 

public ShiftCtrlClickSelectionHandler(Grid<JsonObject> grid, ShiftSelectRpc rpc) {
	super(grid);
	this.rpc = rpc;
}
 

public CtrlClickSelectionHandler(Grid<JsonObject> grid) {
	this.grid = grid;
}
 

protected Grid<JsonObject> getGrid() {
	return ((GridConnector) getParent()).getWidget();
}
 

/**
 * Creates a new instance for scrolling the given grid.
 *
 * @param grid the grid to auto scroll
 */
public CubaAutoScroller(Grid<?> grid) {
    super(grid);
}
 

/**
 * Gets the Grid widget from parent connector.
 * 
 * @return grid
 */
public Grid<JsonObject> getGrid() {
	return getParent().getWidget();
}