package testjavafx;

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.Tooltip;
import javafx.scene.control.TreeCell;
import javafx.scene.control.TreeItem;
import javafx.scene.control.TreeView;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
import javafx.util.Callback;

/**
 *
 * @author scott
 */
public class FxMain extends Application {

	/**
	 * @param args the command line arguments
	 */
	public static void main(String[] args) {
		launch(args);
	}

	@Override
	public void start(Stage primaryStage) {
		primaryStage.setTitle("Java FX UI Tester - TreeCell eats double-click");

		VBox root = new VBox();
		TreeItem<String> treeRoot = makeTree();
		TreeView treeView = new TreeView(treeRoot);
		treeView.setCellFactory(cellFactory);
		root.getChildren().add(new Label("Try to double-click nodes in the tree"));
		root.getChildren().add(treeView);
		primaryStage.setScene(new Scene(root));
		primaryStage.show();
	}
	private int moveDir = -1;

	private TreeItem<String> makeTree() {
		TreeItem<String> x = new TreeItem<String>("Tree Root");
		TreeItem branch = new TreeItem("branch");
		x.getChildren().add(branch);
		x.getChildren().add(new TreeItem("other branch"));
		for (int i = 1; i < 20; i++) {
			TreeItem<String> ti = new TreeItem<String>("item " + i);
			if (i == 10) {
				ti.setValue("item " + i + " - This should move");
			}
			branch.getChildren().add(ti);
		}
		return x;
	}

	private final Callback<TreeView, TreeCell> cellFactory = new Callback<TreeView, TreeCell>() {

		@Override
		public TreeCell call(TreeView p) {
			TreeCell tc = new GenericTreeCell();
			return tc;
		}
	};

	class GenericTreeCell extends TreeCell {

		@Override
		public void updateItem(Object item, boolean empty) {
			super.updateItem(item, empty);
			setText(null);
			setGraphic(null);
			removeEventHandler(MouseEvent.MOUSE_CLICKED, mouseClicked);
			if (!empty) {
				if (item instanceof Node) {
					setGraphic((Node) item);
				} else {
					setText(getString());
					setGraphic(getTreeItem().getGraphic());
				}
				addEventHandler(MouseEvent.MOUSE_CLICKED, mouseClicked);
			}
		}

		private String getString() {
			return getItem() == null ? "<empty>" : getItem().toString();
		}
	}

	private final EventHandler<? super MouseEvent> mouseClicked = new EventHandler<MouseEvent>() {
		@Override
		public void handle(MouseEvent t) {
			System.err.println("Click count = " + t.getClickCount());
		}
	};
}