gotolineform.cs

C#实现DHTML编辑器功能!

// DINAMIC XML Editor
//
// Copyright (c) 2002-2003 Dusan Hlavaty
// mailto: [e-mail]
//
// This software is licensed under the terms of
// GNU General Public license
//
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;

namespace XML_editor.MyForms
{
	/// <summary>
	/// Formular v ktorom uzivatel zadava cislo riadku, kam sa chce v dokumente
	/// presunut.
	/// </summary>
	public class GotoLineForm : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.TextBox textBoxNumber;
		private System.Windows.Forms.Button buttonOK;
		private System.Windows.Forms.Button buttonCancel;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		// -------------------------------------------------------------------------
		/// <summary>
		/// Vrati cislo, ktore zadal uzivatel
		/// </summary>
		public int GetLineNumber 
		{
			get 
			{
				try 
				{
					int x = System.Convert.ToInt32(	this.textBoxNumber.Text.Trim() );
					return x;
				}
				catch 
				{
				}
				return 1;
			}
		}

		// -------------------------------------------------------------------------
		/// <summary>
		/// Inicializuje instanciu <see cref="GotoLineForm"/>
		/// </summary>
		public GotoLineForm()
		{
			this.MyInitializeComponent();
		}

		// -------------------------------------------------------------------------
		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		// -------------------------------------------------------------------------
		/// <summary>
		/// Moj design support
		/// </summary>
		private void MyInitializeComponent()
		{
			this.textBoxNumber = new System.Windows.Forms.TextBox();
			this.label1 = new System.Windows.Forms.Label();
			this.buttonOK = new System.Windows.Forms.Button();
			this.buttonCancel = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// textBoxNumber
			// 
			this.textBoxNumber.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
			this.textBoxNumber.Location = new System.Drawing.Point(19, 42);
			this.textBoxNumber.Name = "textBoxNumber";
			this.textBoxNumber.Size = new System.Drawing.Size(180, 20);
			this.textBoxNumber.TabIndex = 0;
			this.textBoxNumber.Text = "1";
			this.textBoxNumber.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.textBoxNumber_KeyPress);
			// 
			// label1
			// 
			this.label1.AutoSize = true;
			this.label1.CausesValidation = false;
			this.label1.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.label1.Location = new System.Drawing.Point(17, 24);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(56, 13);
			this.label1.TabIndex = 4;
			this.label1.Text = "Go to line:";
			this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
			// 
			// buttonOK
			// 
			this.buttonOK.CausesValidation = false;
			this.buttonOK.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.buttonOK.Location = new System.Drawing.Point(20, 80);
			this.buttonOK.Name = "buttonOK";
			this.buttonOK.TabIndex = 1;
			this.buttonOK.Text = "OK";
			this.buttonOK.Click += new System.EventHandler(this.buttonOK_Click);
			// 
			// buttonCancel
			// 
			this.buttonCancel.CausesValidation = false;
			this.buttonCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
			this.buttonCancel.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.buttonCancel.Location = new System.Drawing.Point(124, 80);
			this.buttonCancel.Name = "buttonCancel";
			this.buttonCancel.TabIndex = 2;
			this.buttonCancel.Text = "Cancel";
			// 
			// GotoLineForm
			// 
			this.AcceptButton = this.buttonOK;
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.CancelButton = this.buttonCancel;
			this.ClientSize = new System.Drawing.Size(218, 119);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																																	this.buttonCancel,
																																	this.buttonOK,
																																	this.label1,
																																	this.textBoxNumber});
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
			this.MaximizeBox = false;
			this.MinimizeBox = false;
			this.Name = "GotoLineForm";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
			this.Text = "Go to";
			this.ResumeLayout(false);

		}

		// -------------------------------------------------------------------------
		/// <summary>
		/// Stlacenie tlacidla OK
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void buttonOK_Click(object sender, System.EventArgs e)
		{
			if (this.textBoxNumber.Text == String.Empty) 
			{
				this.textBoxNumber.Text = "1";
			}
			this.DialogResult = DialogResult.OK;
		}

		// -------------------------------------------------------------------------
		/// <summary>
		/// Stlacenie tlacidla na textboxe
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void textBoxNumber_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
		{
			System.Globalization.UnicodeCategory x = System.Char.GetUnicodeCategory(e.KeyChar);
			if ((x == System.Globalization.UnicodeCategory.DecimalDigitNumber) ||
				(x == System.Globalization.UnicodeCategory.Control))
			{
				e.Handled = false;
			} 
			else 
			{
				e.Handled = true;
			}
		}


	} // public class GotoLineForm : ...
} // namespace XML_editor.MyForms