roleconfigviewmodel.java

来自「dorado 展现中间件是一款企业级的商用AJAX平台软件」· Java 代码 · 共 62 行

package sample.skills.other;

import java.util.List;

import com.bstek.dorado.common.DoradoContext;
import com.bstek.dorado.data.db.DBStatement;
import com.bstek.dorado.utils.variant.VariantSet;
import com.bstek.dorado.view.DefaultViewModel;
import com.bstek.dorado.view.control.Menu;
import com.bstek.dorado.view.control.MenuItem;
import com.bstek.dorado.view.control.MenuItemContainer;

/**
 * RoleConfigViewModel
 */
public class RoleConfigViewModel
    extends DefaultViewModel {
  private void createMenuItem(MenuItemContainer itemContainer, String parentId)
      throws Exception {
    DBStatement st = new DBStatement();
    try {
      st.setSql(DBStatement.SELECT, "category");
      if (parentId == null) {
        st.parameters().setString("parent_id", "$null");
      }
      else {
        st.parameters().setString("parent_id", parentId);
      }

      List list = st.queryForList();
      int sz = list.size();
      for (int i = 0; i < sz; i++) {
        VariantSet category = (VariantSet)list.get(i);
        String categoryId = category.getString("category_id");
        MenuItem item = itemContainer.addItem(
            categoryId,
            category.getString("category_name") + "[" + categoryId + "]");
        createMenuItem(item, categoryId);
      }
    }
    finally {
      st.close();
    }
  }

  public void init(int state)
      throws Exception {
    DoradoContext context = DoradoContext.getContext();
    setRole(context.getParameter("role"));
    super.init(state);
  }

  protected void initControls()
      throws Exception {
    super.initControls();

    Menu menu1 = (Menu)getControl("menu1");
    createMenuItem( (MenuItemContainer)menu1, null);
  }

}