Subversion Repositories SmartDukaan

package in.shop2020.catalog.dashboard.client;

import com.google.gwt.event.dom.client.ClickEvent;

import com.google.gwt.event.dom.client.ClickHandler;

import com.google.gwt.user.client.ui.Anchor;

import com.google.gwt.user.client.ui.Composite;

import com.google.gwt.user.client.ui.Tree;

import com.google.gwt.user.client.ui.TreeItem;

/**

 * A tree displaying a set of catalog folders.

 */

public class CatalogTree extends Composite {

    public static final String ALL_ITEMS = "All Items";

    public static final String BEST_DEALS = "Best Deals";

    public static final String BEST_SELLERS = "Best Sellers";

    public static final String LATEST_ARRIVALS = "Latest Arrivals";

    private Tree tree;

    interface TreeListener {

        void onTreeItemClicked(String itemTypes);

    }

    TreeListener treeListener;

    public CatalogTree() {

        tree = new Tree();

        TreeItem root = new TreeItem("Catalog");

        tree.addItem(root);

        addItem(root, ALL_ITEMS);

        addItem(root, BEST_DEALS);

        addItem(root, BEST_SELLERS);

        addItem(root, LATEST_ARRIVALS);

        root.setState(true);

        initWidget(tree);

    }

    private void addItem(TreeItem root, final String title) {

        Anchor item = new Anchor(title);

        root.addItem(item);

        item.addClickHandler(new ClickHandler() {

            @Override

            public void onClick(ClickEvent event) {

                treeListener.onTreeItemClicked(title);

            }

        });

    }

    public void setTreeListener(TreeListener treeListener) {

        this.treeListener = treeListener;

    }

}