namespace AddressBook
{
	using System;
	using System.Windows.Forms;
	using System.Drawing;

	class EntryButton : Button
	{
		public EntryButton(String myText)
		{
			this.Text = myText;
		}

		public void SetParams(Size mySize , Point myPoint)
		{
			this.Size = mySize;
			this.Location = myPoint;
		}
	}

	class EntryLabel : Label
	{
		public EntryLabel(String myText)
		{
			this.Text = myText;
			this.AutoSize = true;
		}
	
		public void SetLocation(Point myPoint , int myTabIndex)
		{
			this.Location = myPoint;
			this.TabIndex = myTabIndex;
		}
	}
	
	class EntryText : TextBox
	{
		public EntryText(String myText)
		{
			this.Text = myText;
		}

		public void SetParams(Point myPoint , int myTabIndex)
		{
			this.Size = new Size(200,20);
			this.TabIndex = myTabIndex;
			this.Location = myPoint;
		}
	}
	
	//Usage of get / set
	public class AddressEntry : Form
	{
		public String FirstName
		{
			get
			{
				return txtFirstName.Text;
			}
			set
			{
				txtFirstName.Text = value;
			}
		}

		public String LastName
		{
			get
			{
				return txtLastName.Text;
			}
			set
			{
				txtLastName.Text = value;
			}
		}

		public String EMail
		{
			get
			{
				return txtEMail.Text;
			}
			set
			{
				txtEMail.Text = value;
			}
		}

		public String PhoneNumber
		{
			get
			{
				return txtPhone.Text;
			}
			set
			{
				txtPhone.Text = value;
			}
		}

		private EntryText txtFirstName;
		private EntryText txtLastName;
		private EntryText txtEMail;
		private EntryText txtPhone;

		private EntryLabel lblFirstName;
		private EntryLabel lblLastName;
		private EntryLabel lblEMail;
		private EntryLabel lblPhone;

		private EntryButton btnSaveButton;
		private EntryButton btnCancelButton;

		public AddressEntry()
		{
			this.Text = "Address Entry";
			this.StartPosition = FormStartPosition.CenterScreen;
			this.FormBorderStyle = FormBorderStyle.FixedDialog;
			this.MaximizeBox = false;
			this.MinimizeBox = false;
			this.ClientSize = new Size(330,227);
			
			lblFirstName = new EntryLabel("First Name");
			lblFirstName.SetLocation(new Point(16,16),0);
			this.Controls.Add(lblFirstName);

			lblLastName = new EntryLabel("Last Name");
			lblLastName.SetLocation(new Point(16,56),2);
			this.Controls.Add(lblLastName);

			lblEMail = new EntryLabel("E Mail Address");
			lblEMail.SetLocation(new Point(16,96),4);
			this.Controls.Add(lblEMail);
			
			lblPhone = new EntryLabel("Phone Number");
			lblPhone.SetLocation(new Point(16,136),6);
			this.Controls.Add(lblPhone);

			txtFirstName = new EntryText("");
			txtFirstName.SetParams(new Point(100,12),1);
			this.Controls.Add(txtFirstName);

			txtLastName = new EntryText("");
			txtLastName.SetParams(new Point(100,52),3);
			this.Controls.Add(txtLastName);

			txtEMail = new EntryText("");
			txtEMail.SetParams(new Point(100,92),5);
			this.Controls.Add(txtEMail);

			txtPhone = new EntryText("");
			txtPhone.SetParams(new Point(100,132),7);
			this.Controls.Add(txtPhone);

			
			btnSaveButton = new EntryButton("Save");
			btnSaveButton.SetParams(new Size(88,32),new Point(120,170));			
			btnSaveButton.Click += new EventHandler(onSave);
			this.Controls.Add(btnSaveButton);

			btnCancelButton = new EntryButton("Close");
			btnCancelButton.DialogResult = DialogResult.Cancel;
			btnCancelButton.SetParams(new Size(88,32) , new Point(220,170));
			btnCancelButton.Click += new EventHandler(onCancel);
			this.Controls.Add(btnCancelButton);

			this.AcceptButton = btnSaveButton;
			this.CancelButton = btnCancelButton;
		}

		protected void onCancel(Object mySender , EventArgs myArgs)
		{
			this.Close();			
		}

		protected void onSave(Object mySender , EventArgs myArgs)
		{
			if(txtFirstName.Text.Trim() == "")
			{
				MessageBox.Show("Please enter the First Name","AddressBook 1.0",MessageBoxButtons.OK , MessageBoxIcon.Error);				
				txtFirstName.Focus();			
			}
			else if(txtLastName.Text.Trim() == "")
			{
				MessageBox.Show("Please enter the Last Name","AddressBook 1.0",MessageBoxButtons.OK , MessageBoxIcon.Error);
				txtLastName.Focus();				
			}
			else if(txtEMail.Text.Trim() == "")
			{
				MessageBox.Show("Please enter the E-Mail Address","Address Book 1.0",MessageBoxButtons.OK , MessageBoxIcon.Error);
				txtEMail.Focus();				
			}
			else if(txtPhone.Text.Trim() == "")
			{
				MessageBox.Show("Please enter the Phone Number","Address Book 1.0",MessageBoxButtons.OK , MessageBoxIcon.Error);
				txtPhone.Focus();				
			}
			else			
			{				
				this.Close();
			}
		}
	}
}