/***************************************************/
//        __      ______
// 
/***************************************************/


using System;
using System.Drawing;
using System.Windows.Forms;


namespace IPadLibrary.FormsInterfaces {


	public partial class KeyboradControl : Form {


		/*******************************************************************************************/
		/* Constructors and Initialization
		/*******************************************************************************************/
		#region Public Class Constructors


		public KeyboradControl() {

			InitializeComponent();              // This is for the designer (not edit)
			InizializeLocalData();              // This is for local data private/public
		}

		#endregion



		/*******************************************************************************************/
		/* Form Events
		/*******************************************************************************************/
		#region Form Events


		private void SHIFT_Button_Click(object sender, EventArgs e) {
			
			shift_pressed = !shift_pressed;
			if ( shift_pressed ) {
				SHIFT_Button.FlatStyle = FlatStyle.Standard;
				SHIFT_Button.BackColor = ProfessionalColors.ButtonPressedHighlight;
				toUpperChase();
			}
			else {
				SHIFT_Button.FlatStyle = FlatStyle.System;
				SHIFT_Button.BackColor = Button.DefaultBackColor;
				toLowerChase();
			}
		}



		private void SIMBOL_Button_Click(object sender, EventArgs e) {

			simbol_pressed = !simbol_pressed;
			if (simbol_pressed) {
				SIMBOL_Button.FlatStyle = FlatStyle.Standard;
				SIMBOL_Button.BackColor = ProfessionalColors.ButtonPressedHighlight;
				switchToSymbol();
			}
			else {
				SIMBOL_Button.FlatStyle = FlatStyle.System;
				SIMBOL_Button.BackColor = Button.DefaultBackColor;
				switchToNumber();
			}
		}



		private void KEY_Button_Click(object sender, EventArgs e) {

			if (Display.Text.Length < MAX_DISPLAY_CHAR) {         // If not reach the maximus text length
				Display.Text += ((Button)sender).Text;             // Insert the char into text line
				Display.SelectionStart = Display.TextLength;       // Allign the string on right
			}
		}



		private void BACKSPACE_Button_Click(object sender, EventArgs e) {
			
			int len;
			if ((len = Display.Text.Length) > 0) {                // If there is somethig to delete 
				Display.Text = Display.Text.Remove(len - 1);       // Remove last char (right side)
				Display.SelectionStart = Display.TextLength;       // Allign the string on right
			}
		}



		private void OK_Button_Click(object sender, EventArgs e) {

			this.DialogResult = DialogResult.OK;
			Close();
		}



		private void CANCEL_Button_Click(object sender, EventArgs e) {

			this.DialogResult = DialogResult.Cancel;
			Close();
		}



		private void CLEAR_Button_Click(object sender, EventArgs e) {
			
			Display.Text = "";
		}



		/// <summary>
		/// Used to drawing the Form borders only.
		/// </summary>
		private void KeyboradControl_Paint(object sender, PaintEventArgs e) {
			
			GeneralLibrary.DrawFormBorder(sender, e);
		}


		private void KeyboradControl_KeyPress(object sender, KeyPressEventArgs e) {

			char ch = e.KeyChar;
			int len = Display.Text.Length;
			// If there is somethig to delete 
			if (len > 0 && ch == '\b' ) {
				Display.Text = Display.Text.Remove(len - 1);       // Remove last char (right side)
			} else
			if (Display.Text.Length < MAX_DISPLAY_CHAR) {
				Display.Text += ch.ToString();                     // Insert the char into text line
			}
			Display.SelectionStart = Display.TextLength;          // Allign the string on right
		}

	
		#endregion


	} // end class

} // end namespace