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package in.shop2020.catalog.dashboard.client;
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import com.google.gwt.event.dom.client.ClickEvent;
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import com.google.gwt.event.dom.client.ClickHandler;
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import com.google.gwt.user.client.ui.Anchor;
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import com.google.gwt.user.client.ui.Composite;
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import com.google.gwt.user.client.ui.Tree;
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import com.google.gwt.user.client.ui.TreeItem;
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/**
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 * A tree containing links to display different sets of items
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 * based on item statuses and some other parameters.
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 */
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public class CatalogTree extends Composite {
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    public static final String ALL_ITEMS = "All Items";
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    public static final String ALL_ACTIVE_ITEMS = "Active Items";
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    public static final String ALL_PHASED_OUT_ITEMS = "Phased Out Items";
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    public static final String ALL_PAUSED_ITEMS = "Paused Items";
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    public static final String IN_PROCESS_ITEMS = "In Process Items";
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    public static final String CONTENT_COMPLETE_ITEMS = "Content Complete Items";
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    public static final String RISKY_ITEMS = "Risky Items";
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    public static final String BEST_DEALS = "Best Deals";
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    public static final String BEST_SELLERS = "Best Sellers";
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    public static final String LATEST_ARRIVALS = "Latest Arrivals";
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    private Tree tree;
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    interface TreeListener {
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        void onTreeItemClicked(String itemTypes);
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    }
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    TreeListener treeListener;
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    public CatalogTree() {
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        tree = new Tree();
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        TreeItem root = new TreeItem("Catalog");
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        tree.addItem(root);
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        addItem(root, ALL_ITEMS);
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        addItem(root, ALL_ACTIVE_ITEMS);
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        addItem(root, ALL_PHASED_OUT_ITEMS);
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        addItem(root, ALL_PAUSED_ITEMS);
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        addItem(root, IN_PROCESS_ITEMS);
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        addItem(root, CONTENT_COMPLETE_ITEMS);
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        addItem(root, RISKY_ITEMS);
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        addItem(root, BEST_DEALS);
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        addItem(root, BEST_SELLERS);
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        addItem(root, LATEST_ARRIVALS);
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        root.setState(true);
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        initWidget(tree);
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    }
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    private void addItem(TreeItem root, final String title) {
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        Anchor item = new Anchor(title);
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        root.addItem(item);
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        item.addClickHandler(new ClickHandler() {
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            @Override
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            public void onClick(ClickEvent event) {
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                treeListener.onTreeItemClicked(title);
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            }
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        });
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    }
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    public void setTreeListener(TreeListener treeListener) {
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        this.treeListener = treeListener;
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    }
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}