RenameRuleObjectDialog.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / Activities / Rules / Design / Dialogs / RenameRuleObjectDialog.cs / 1305376 / RenameRuleObjectDialog.cs
                        

                        
                            #region Using directives 

using System;
using System.Collections.Generic;
using System.ComponentModel; 
using System.Data;
using System.Drawing; 
using System.Globalization; 
using System.Text;
using System.Windows.Forms; 
using System.Windows.Forms.Design;

#endregion
 
namespace System.Workflow.Activities.Rules.Design
{ 
 	internal partial class RenameRuleObjectDialog : Form 
	{
        public delegate bool NameValidatorDelegate(string name); 

        private string name;
		private IServiceProvider serviceProvider;
        private NameValidatorDelegate nameValidator; 
        private BasicBrowserDialog parent;
 
        public RenameRuleObjectDialog(IServiceProvider serviceProvider, string oldName, NameValidatorDelegate nameValidator, BasicBrowserDialog parent) 
		{
            if (oldName == null) 
                throw (new ArgumentNullException("oldName"));
            if (serviceProvider == null)
 				throw (new ArgumentNullException("serviceProvider"));
            if (nameValidator == null) 
                throw (new ArgumentNullException("nameValidator"));
 
			this.serviceProvider = serviceProvider; 
            this.name = oldName;
            this.nameValidator = nameValidator; 
            this.parent = parent;
 			InitializeComponent();

            this.ruleNameTextBox.Text = oldName; 
            this.Text = parent.RenameTitleText;
            this.newNamelabel.Text = parent.NewNameLabelText; 
 
 			this.Icon = null;
 
			//Set dialog fonts
 			IUIService uisvc = (IUIService)this.serviceProvider.GetService(typeof(IUIService));
			if (uisvc != null)
				this.Font = (Font)uisvc.Styles["DialogFont"]; 

		} 
 
 		public string RuleObjectName
		{ 
 			get
 			{
				return this.name;
 			} 
		}
 
		private void OnCancel(object sender, EventArgs e) 
		{
 			this.DialogResult = DialogResult.Cancel; 
			this.Close();
 		}

 		private void OnOk(object sender, EventArgs e) 
		{
 			string newName = this.ruleNameTextBox.Text; 
 
			if (newName.Trim().Length == 0)
			{ 
                string errorMessage = parent.EmptyNameErrorText;
				IUIService uisvc = (IUIService)this.serviceProvider.GetService(typeof(IUIService));
 				if (uisvc != null)
                    uisvc.ShowError(errorMessage); 
				else
                    MessageBox.Show(errorMessage, Messages.InvalidConditionNameCaption, MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1, DetermineOptions(sender)); 
 
 				this.DialogResult = DialogResult.None;
 			} 
			else if (this.name != newName && !nameValidator(newName))
 			{
                string errorMessage = parent.DuplicateNameErrorText;
                IUIService uisvc = (IUIService)this.serviceProvider.GetService(typeof(IUIService)); 
				if (uisvc != null)
                    uisvc.ShowError(errorMessage); 
				else 
                    MessageBox.Show(errorMessage, Messages.InvalidConditionNameCaption, MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1, DetermineOptions(sender));
 
				this.DialogResult = DialogResult.None;
 			}
			else
 			{ 
 				this.name = newName;
				this.DialogResult = DialogResult.OK; 
 				this.Close(); 
			}
		} 

		private static MessageBoxOptions DetermineOptions(object sender)
 		{
			MessageBoxOptions options = (MessageBoxOptions)0; 
 			Control someControl = sender as Control;
 			RightToLeft rightToLeftValue = RightToLeft.Inherit; 
 
			while ((rightToLeftValue == RightToLeft.Inherit) && (someControl != null))
 			{ 
				rightToLeftValue = someControl.RightToLeft;
				someControl = someControl.Parent;
			}
 
 			if (rightToLeftValue == RightToLeft.Yes)
			{ 
 				options = MessageBoxOptions.RtlReading | MessageBoxOptions.RightAlign; 
 			}
			return options; 
 		}
	}
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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