import org.controlsfx.control.GridCell; //导入依赖的package包/类
/**
 * Method for generate file items for fileBrowser and add it into container(temporary realization)
 */
private void showContent() {
    ObservableList<FileItem> list = FXCollections.observableArrayList();
    GridView<FileItem> myGrid = new GridView<>(list);
    myGrid.setCellFactory(gridView -> new GridCell<FileItem>() {
        @Override
        public void updateItem(FileItem item, boolean empty) {
            if (empty || item == null) {
                setText(null);
                setGraphic(null);
            } else {
                //setText(item.getName());
                setGraphic(item);
            }

        }
    });
    list.addAll(new FileItem("icon", "Folder1"),
            new FileItem("icon", "Documents"),
            new FileItem("icon", "WorkFiles"),
            new FileItem("icon", "Projects"));
    container.getChildren().add(myGrid);
}
 

import org.controlsfx.control.GridCell; //导入依赖的package包/类
@Override
public void onStart() {
	root.prefWidthProperty().bind(Main.mainController.contentBox.widthProperty());
	root.prefHeightProperty().bind(Main.mainController.contentBox.heightProperty());
	gridView.setCellHeight(192);
	gridView.setCellWidth(192);
	gridView.setHorizontalCellSpacing(6);
	gridView.setVerticalCellSpacing(6);
	gridView.setCellFactory(param -> {
		GridCell<Instance> cell = new GridCell<>();
		cell.itemProperty().addListener((obs, oldItem, newItem) -> {
			if (newItem != null) {
				cell.setGraphic(new InstanceTile(newItem));
			}
		});
		cell.emptyProperty().addListener((obs, wasEmpty, isEmpty) -> {
			if (isEmpty) {
				cell.setGraphic(null);
			}
		});
		cell.setContentDisplay(ContentDisplay.GRAPHIC_ONLY);
		return cell;
	});

	new Thread(() -> {
		ObservableList<Instance> instances = InstanceManager.getInstances();
		MiscUtil.runLaterIfNeeded(() -> gridView.setItems(instances));
	}).start();
	ContextMenu menu = new ContextMenu();
	MenuItem open = new MenuItem("Open Instance Folder");
	menu.getItems().addAll(open);
	open.setOnAction(event -> OperatingSystem.openWithSystem(Constants.INSTANCEDIR));
	gridView.setContextMenu(menu);
}
 

import org.controlsfx.control.GridCell; //导入依赖的package包/类
/**
 * Gets the visible cell range in this GridView viewport
 * @return
 */
private IndexRange fetchVisibleCellRange(){

	IndexRange outRange = null; 

	try {
		final VirtualFlow vf = getVirtualFlow();

		if(vf != null){
			final IndexedCell firstVisibleRow = vf.getFirstVisibleCell();
			final IndexedCell lastVisibleRow = vf.getLastVisibleCell();

			if(firstVisibleRow != null && lastVisibleRow != null){
				final ObservableList<Node> firsts = firstVisibleRow.getChildrenUnmodifiable();
				final GridCell firstVisibleCell =  firsts.size() > 0 ? (GridCell)firsts.get(0) : null;
				final ObservableList<Node> lasts = lastVisibleRow.getChildrenUnmodifiable();
				final GridCell lastVisibleCell = lasts.size() > 0 ? (GridCell)lasts.get(lasts.size()-1) : null;

				outRange = new IndexRange(
						firstVisibleCell != null ? firstVisibleCell.getIndex() : 0,
								lastVisibleCell != null ? lastVisibleCell.getIndex() : 0);
			}
		}
	} catch (IllegalArgumentException e) {
           logger.error(e);
	}

	if(outRange == null){
		outRange = IndexRange.Undefined;
	}

	return outRange;
}