MenuTreeBindingSample.java :  » Ajax » smartgwt-2.1 » com » smartgwt » sample » showcase » client » menu » Java Open Source

package com.smartgwt.sample.showcase.client.menu;

import com.smartgwt.client.util.SC;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.menu.Menu;
import com.smartgwt.client.widgets.menu.MenuButton;
import com.smartgwt.client.widgets.menu.MenuItem;
import com.smartgwt.client.widgets.menu.events.ItemClickEvent;
import com.smartgwt.client.widgets.menu.events.ItemClickHandler;
import com.smartgwt.sample.showcase.client.PanelFactory;
import com.smartgwt.sample.showcase.client.ShowcasePanel;
import com.smartgwt.sample.showcase.client.data.SupplyCategoryXmlDS;

public class MenuTreeBindingSample extends ShowcasePanel {
  private static final String DESCRIPTION = "Click on \"Department\" or \"Category\" below to show hierarchical menus." +
            " The \"Category\" menu loads options dynamically from the SupplyCategory DataSource.";

  public static class Factory implements PanelFactory {
    private String id;

    public Canvas create() {
      MenuTreeBindingSample panel = new MenuTreeBindingSample();
      id = panel.getID();
      return panel;
    }

    public String getID() {
      return id;
    }

    public String getDescription() {
      return DESCRIPTION;
    }
  }

  public Canvas getViewPanel() {

    Canvas main = new Canvas();

    Menu mDepartment = new Menu();
    mDepartment.setCanSelectParentItems(true);
    mDepartment.setData(getLocalItemsAsArray());
    mDepartment.setWidth(130);

    mDepartment.addItemClickHandler(new ItemClickHandler() {
      public void onItemClick(ItemClickEvent event) {
        SC.say("You picked the \"" + event.getItem().getTitle()
            + "\" department.");
      }
    });

    MenuButton bDepartment = new MenuButton("Go to department", mDepartment);
    bDepartment.setWidth(130);

    main.addChild(bDepartment);

    Menu mCategory = new Menu();
    mCategory.setCanSelectParentItems(true);
    mCategory.setDataSource(SupplyCategoryXmlDS.getInstance());
    mCategory.setWidth(130);

    mCategory.addItemClickHandler(new ItemClickHandler() {
      public void onItemClick(ItemClickEvent event) {
        MenuItem item = event.getItem();
        SC.say("You picked the \""
            + item.getAttributeAsString("categoryName")
            + "\" category.");
      }
    });

    MenuButton bCategory = new MenuButton("Go to category", mCategory);
    bCategory.setTop(30);
    bCategory.setWidth(140);

    main.addChild(bCategory);

    return main;
  }

  private MenuItem[] getLocalItemsAsArray() {

    MenuItem[] m = new MenuItem[4];

    m[0] = new MenuItem("Marketing");
    Menu menuMarketing = new Menu();
    menuMarketing.setData(new MenuItem("Advertising"), new MenuItem("Community Relations"));
    m[0].setSubmenu(menuMarketing);

    m[1] = new MenuItem("Sales");
    Menu menuSales = new Menu();
    menuSales.setData(new MenuItem("Direct Sales"),new MenuItem("Channel Sales"));
    m[1].setSubmenu(menuSales);

    m[2] = new MenuItem("Manufacturing");
    Menu menuManufacturing = new Menu();
    menuManufacturing.setData(new MenuItem("Design"), new MenuItem("Development"), new MenuItem("QA"));
    m[2].setSubmenu(menuManufacturing);

    m[3] = new MenuItem("Services");
    Menu menuServices = new Menu();
    menuServices.setData(new MenuItem("Support"), new MenuItem("Consulting"));
    m[3].setSubmenu(menuServices);

    return m;
  }

  public String getIntro() {
    return DESCRIPTION;
  }
}