Source Code : ColumnTree provides an alternate navigation paradigm for Tree data (Smart GWT)

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ColumnTree provides an alternate navigation paradigm for Tree data (Smart GWT)

   
/*
 * SmartGWT (GWT for SmartClient)
 * Copyright 2008 and beyond, Isomorphic Software, Inc.
 *
 * SmartGWT is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.  SmartGWT is also
 * available under typical commercial license terms - see
 * http://smartclient.com/license
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */

package com.smartgwt.sample.showcase.client;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.ui.RootPanel;
import com.smartgwt.client.data.DataSource;
import com.smartgwt.client.data.fields.DataSourceFloatField;
import com.smartgwt.client.data.fields.DataSourceIntegerField;
import com.smartgwt.client.data.fields.DataSourceTextField;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.grid.ColumnTree;

public class Showcase implements EntryPoint {
  public void onModuleLoad() {
    RootPanel.get().add(getViewPanel());
  }

  public Canvas getViewPanel() {
    ColumnTree columnTree = new ColumnTree();
    columnTree.setWidth100();
    columnTree.setHeight(205);
    columnTree.setDataSource(EmployeeXmlDS.getInstance());
    columnTree.setAutoFetchData(true);
    columnTree.setNodeIcon("icons/16/person.png");
    columnTree.setFolderIcon("icons/16/person.png");
    columnTree.setShowOpenIcons(false);
    columnTree.setShowDropIcons(false);
    columnTree.setClosedIconSuffix("");

    columnTree.setShowHeaders(true);
    columnTree.setShowNodeCount(true);        
    columnTree.setLoadDataOnDemand(false);
    return columnTree;


  }

}

class EmployeeXmlDS extends DataSource {

  private static EmployeeXmlDS instance = null;

  public static EmployeeXmlDS getInstance() {
    if (instance == null) {
      instance = new EmployeeXmlDS("employeesDS");
    }
    return instance;
  }

  public EmployeeXmlDS(String id) {

    setID(id);
    setTitleField("Name");
    setRecordXPath("/List/employee");
    DataSourceTextField nameField = new DataSourceTextField("Name", "Name", 128);

    DataSourceIntegerField employeeIdField = new DataSourceIntegerField("EmployeeId", "Employee ID");
    employeeIdField.setPrimaryKey(true);
    employeeIdField.setRequired(true);

    DataSourceIntegerField reportsToField = new DataSourceIntegerField("ReportsTo", "Manager");
    reportsToField.setRequired(true);
    reportsToField.setForeignKey(id + ".EmployeeId");
    reportsToField.setRootValue("1");

    DataSourceTextField jobField = new DataSourceTextField("Job", "Title", 128);
    DataSourceTextField emailField = new DataSourceTextField("Email", "Email", 128);
    DataSourceTextField statusField = new DataSourceTextField("EmployeeStatus", "Status", 40);
    DataSourceFloatField salaryField = new DataSourceFloatField("Salary", "Salary");
    DataSourceTextField orgField = new DataSourceTextField("OrgUnit", "Org Unit", 128);
    DataSourceTextField genderField = new DataSourceTextField("Gender", "Gender", 7);
    genderField.setValueMap("male", "female");
    DataSourceTextField maritalStatusField = new DataSourceTextField("MaritalStatus",
        "Marital Status", 10);

    setFields(nameField, employeeIdField, reportsToField, jobField, emailField, statusField,
        salaryField, orgField, genderField, maritalStatusField);

    setDataURL("ds/test_data/employees.data.xml");
    setClientOnly(true);
  }
}

   
    
    
  

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