/**
 * Copyright (c) 2001, Keith Wong
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
 * and associated documentation files (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software
 * is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package mypackage;

import objectivehtml.common.*;
import objectivehtml.htmlwidget.*;
import objectivehtml.htmlwidget.exception.*;
import objectivehtml.oms.exception.*;
import java.util.*;
import java.text.*;
import javax.servlet.http.*;

/**
 * CustomerForm
 * This is an example of how to use the objective html toolkit. Please read all the comments
 * in the code as they give handy tips in how to be use this toolkit.
 * The example was written by Keith Wong, email: keithwong@optushome.com.au
 */
public class CustomerForm extends CustomerFormDesign
{
	/** Indicates whether the form was successfully processed or an error occurred */
	private Throwable m_objThrowable = null;

	private Customer m_objCustomer;	// keeps a record of the current customer

	/**
	 * Constructor
	 */
	public CustomerForm()
			throws Exception
	{
		super();


	} // end constructor

	/**
	 * This method validates the form details first.
	 * @return 	true if the form data is ok, false otherwise
	 */
	private boolean validateForm()
	{
		boolean bValid = true;
		// if title is blank
		if (m_selTitle.isSelected(0) == true)
		{
			bValid = false;
			// sets the class attribute of the table cell with "Title *" text
			m_tblLayout.getTableCell(0, 0).setClassAttribute("error");
		} // end if title is blank

		// if first name is blank
		if (m_txtFirstName.getText().trim().length() == 0)
		{
			bValid = false;
			m_tblLayout.getTableCell(1, 0).setClassAttribute("error");
		} // end if first name is blank

		// if last name is blank
		if (m_txtLastName.getText().trim().length() == 0)
		{
			bValid = false;
			m_tblLayout.getTableCell(2, 0).setClassAttribute("error");
		} // end if last name is blank

		// if email is blank
		if (m_txtEmail.getText().trim().length() == 0)
		{
			bValid = false;
			m_tblLayout.getTableCell(11, 0).setClassAttribute("error");
		} // end if email is blank

		// if invalid then lets set a user message
		if (bValid == false)
		{
			m_htmUserMessage.setText("Please fill in the mandatory fields highlighted below.");
			m_parUserMessage.setVisible(true);
			m_parUserMessage.setClassAttribute("error");
		} // end if not valid

		// lets check the date is correct formatted
		if (bValid)
		{
			SimpleDateFormat objFormatter = new SimpleDateFormat("yyyy-MM-dd");
			objFormatter.setLenient(false);

			try
			{
				if (m_txtBirthDate.getText() != null && m_txtBirthDate.getText().trim().length() > 0)
				{
					Date objBirthDate = objFormatter.parse(m_txtBirthDate.getText().trim());
				} // end if birth date is set
			} // end try
			catch (ParseException pe)
			{
				bValid = false;
				m_htmUserMessage.setText("The date of birth must in the format yyyy-mm-dd, e.g. 1977-03-29");
				m_parUserMessage.setVisible(true);
				m_parUserMessage.setClassAttribute("error");

			} // end pe
		} // end if still valid

		return bValid;
	} // end validateForm

	/**
	 * This updates the postcode fields with the default values if applicable.
	 */
	public void updatePostCodeFields(String sNewPostCode)
	{
		m_tblLayout.setAttribute("class", null, true);	// apply to all children
		m_tblLayout.setAttribute("class", "normal");	// only applies to the table itself

		// lets try to set the default for the other fields
		PostCode objPostCode = (PostCode)PostCodeDomain.retrievePostCodeDetails(sNewPostCode);
		if (objPostCode != null)
		{
			m_txtSuburb.setText(objPostCode.getSuburb());
			m_txtState.setText(objPostCode.getState());
		} // end if postcode exists
	} // end updatePostCodeFields

	/**
	 * This loads the form from the database.
	 */
	public void populateForm(long lCustomerId)
	{
		m_objCustomer = CustomerDomain.retrieveCustomerDetails(lCustomerId);
		m_selTitle.setSelected(m_objCustomer.getTitle(), true);
		m_txtFirstName.setText(m_objCustomer.getFirstName());
		m_txtLastName.setText(m_objCustomer.getLastName());
		SimpleDateFormat objFormatter = new SimpleDateFormat("yyyy-MM-dd");
		if (m_objCustomer.getBirthDate() != null)
			m_txtBirthDate.setText(objFormatter.format(m_objCustomer.getBirthDate()));
		if (m_objCustomer.getGender() != null)
		{
			m_radMale.setChecked(m_objCustomer.getGender().equals("M") ? true : false);
			m_radFemale.setChecked(m_objCustomer.getGender().equals("F") ? true : false);
		} // end if gender exists
		m_txaStreet.setText(m_objCustomer.getStreet());
		m_txtPostCode.setText(m_objCustomer.getPostCode());
		m_txtSuburb.setText(m_objCustomer.getSuburb());
		m_txtState.setText(m_objCustomer.getState());
		m_cbxPostalAddress.setChecked(m_objCustomer.getPostalAddress());
		m_txtTelephone.setText(m_objCustomer.getTelephone());
		m_txtEmail.setText(m_objCustomer.getEmail());
	} // end populateForm

	/**
	 * This method should be called when the save action is triggered.
	 */
	public void saveForm()
		throws InvalidAttributeException
	{
		// lets clear out all class styles set for errors
		// you can do this by calling the overloaded version of setAttribute()
		// provided by all container widgets
		// n.b giving the setAttribute a null value will clear out the attribute,
		// so that the attribute is not shown at all when printHtml is called
		m_tblLayout.setAttribute("class", null, true);	// apply to all children

		// lets set the attribute back to the normal
		m_tblLayout.setAttribute("class", "normal");	// only applies to the table itself

		if (validateForm())
		{
			// save customer details
			saveFormToCustomer();
			CustomerDomain.saveCustomerDetails(m_objCustomer);

			m_htmUserMessage.setText("Your customer details have been saved.");
			m_parUserMessage.setVisible(true);
			m_parUserMessage.setClassAttribute("info");
		} // end if form is valid
	} // end saveForm

	/**
	 * This method saves the form details to the customer object
	 */
	protected void saveFormToCustomer()
	{
		// lets grab all the fields from the form and set it into the customer object
		m_objCustomer.setTitle(m_selTitle.getSelectedValue());
		m_objCustomer.setFirstName(m_txtFirstName.getText());
		m_objCustomer.setLastName(m_txtLastName.getText());

		SimpleDateFormat objFormatter = new SimpleDateFormat("yyyy-MM-dd");
		try
		{
			if (m_txtBirthDate.getText() != null && m_txtBirthDate.getText().trim().length() > 0)
				m_objCustomer.setBirthDate(new java.sql.Date(objFormatter.parse(m_txtBirthDate.getText().trim()).getTime()));
			else
				m_objCustomer.setBirthDate(null);
		} // end try
		catch (ParseException pe)
		{
			pe.printStackTrace();
		} // end pe

		if (m_radMale.isChecked())
			m_objCustomer.setGender("M");
		else if (m_radFemale.isChecked())
			m_objCustomer.setGender("F");

		m_objCustomer.setStreet(m_txaStreet.getText());
		m_objCustomer.setPostCode(m_txtPostCode.getText());
		m_objCustomer.setSuburb(m_txtSuburb.getText());
		m_objCustomer.setState(m_txtState.getText());
		m_objCustomer.setPostalAddress(m_cbxPostalAddress.isChecked());
		m_objCustomer.setTelephone(m_txtTelephone.getText());
		m_objCustomer.setEmail(m_txtEmail.getText());
	} // end saveFormToCustomer

	/**
	 * This method clears any stored exceptions.
	 */
	public void clearException()
	{
		m_objThrowable = null;
	} // end clearException

	/**
	 * This method should be called after a business method (or slot method)
	 * is called to check whether an exception occurred.
	 */
	public void checkException(HttpServletRequest objRequest)
	{
		if (objRequest.getAttribute("ohtml.result") != null)
		{
			EventResult objResult = (EventResult)objRequest.getAttribute("ohtml.result");
			if (objResult.getResult() == null
				|| objResult.getResult().equals("success"))
			{
				if (m_objThrowable != null)
				{
					objResult.setResult("failure");
					objResult.setAttribute("error", m_objThrowable);
				} // end if something failed
				else
				{
					objResult.setResult("success");
				} // end else everything ok
			} // end if not failure

			// lets clear the exception as we've processed this exception
			clearException();

		} // end if result exists
	} // end checkException

} // end class