Implementing WS-SecureConversation in Microsoft IssueVision

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.Windows.Forms;

namespace IssueVision
{
	// This user control appears in the right pane when the selected issue has a conflict
	// that must be resolved.
	public class ConflictPane : UserControl, IObserver
	{
		private GroupBox GroupBox1;
		private GroupBox GroupBox2;
		private Label Label1;
		private Label lblServer;
		private PaneCaption PaneCaption1;
		private Button btnKeepUser;
		private Label lblUser;
		private Button btnKeepServer;
		private IssueSubject m_subject;

		private IContainer components = null;

		public ISubject Subject
		{
			set
			{
				m_subject = (IssueSubject)value;
				m_subject.PositionChanged += new IssueSubject.PositionChangedEventHandler(this.m_subject_PositionChanged);
			}
		}

		public ConflictPane()
		{
			InitializeComponent();
		}

		protected override void Dispose(bool disposing)
		{
			if (disposing && components != null)
			{
				components.Dispose();
			}
			base.Dispose(disposing);
		}

		[DebuggerStepThroughAttribute()]
		private void InitializeComponent()
		{
			PaneCaption1 = new PaneCaption();
			Label1 = new Label();
			GroupBox1 = new GroupBox();
			lblServer = new Label();
			btnKeepServer = new Button();
			GroupBox2 = new GroupBox();
			lblUser = new Label();
			btnKeepUser = new Button();
			GroupBox1.SuspendLayout();
			GroupBox2.SuspendLayout();
			SuspendLayout();
			
			PaneCaption1.Caption = "Issue Conflict";
			PaneCaption1.Dock = DockStyle.Top;
			PaneCaption1.Font = new Font("Tahoma", 12.0F, FontStyle.Bold);
			PaneCaption1.Location = new Point(0, 0);
			PaneCaption1.Name = "PaneCaption1";
			PaneCaption1.Size = new Size(280, 31);
			PaneCaption1.TabIndex = 0;
			
			Label1.Location = new Point(16, 40);
			Label1.Name = "Label1";
			Label1.Size = new Size(248, 40);
			Label1.TabIndex = 1;
			Label1.Text = "The records on the server do not match yours. Please pick which version should be kept.";
			
			GroupBox1.Controls.Add(lblServer);
			GroupBox1.Controls.Add(btnKeepServer);
			GroupBox1.FlatStyle = FlatStyle.System;
			GroupBox1.Location = new Point(16, 88);
			GroupBox1.Name = "GroupBox1";
			GroupBox1.Size = new Size(248, 104);
			GroupBox1.TabIndex = 2;
			GroupBox1.TabStop = false;
			GroupBox1.Text = "Server record";
			
			lblServer.Location = new Point(16, 24);
			lblServer.Name = "lblServer";
			lblServer.Size = new Size(128, 72);
			lblServer.TabIndex = 0;
			
			btnKeepServer.BackColor = SystemColors.Control;
			btnKeepServer.FlatStyle = FlatStyle.System;
			btnKeepServer.ForeColor = SystemColors.ActiveCaption;
			btnKeepServer.Location = new Point(144, 24);
			btnKeepServer.Name = "btnKeepServer";
			btnKeepServer.Size = new Size(88, 23);
			btnKeepServer.TabIndex = 1;
			btnKeepServer.Text = "Keep this one";
			btnKeepServer.Click += new EventHandler(this.btnKeepServer_Click);
			
			GroupBox2.Controls.Add(lblUser);
			GroupBox2.Controls.Add(btnKeepUser);
			GroupBox2.FlatStyle = FlatStyle.System;
			GroupBox2.Location = new Point(16, 216);
			GroupBox2.Name = "GroupBox2";
			GroupBox2.Size = new Size(248, 104);
			GroupBox2.TabIndex = 2;
			GroupBox2.TabStop = false;
			GroupBox2.Text = "Your record";
			
			lblUser.Location = new Point(16, 24);
			lblUser.Name = "lblUser";
			lblUser.Size = new Size(128, 72);
			lblUser.TabIndex = 3;
			
			btnKeepUser.BackColor = SystemColors.Control;
			btnKeepUser.FlatStyle = FlatStyle.System;
			btnKeepUser.ForeColor = SystemColors.ActiveCaption;
			btnKeepUser.Location = new Point(144, 24);
			btnKeepUser.Name = "btnKeepUser";
			btnKeepUser.Size = new Size(88, 23);
			btnKeepUser.TabIndex = 2;
			btnKeepUser.Text = "Keep this one";
			btnKeepUser.Click += new EventHandler(this.btnKeepUser_Click);
			
			BackColor = Color.OldLace;
			Controls.Add(GroupBox1);
			Controls.Add(Label1);
			Controls.Add(PaneCaption1);
			Controls.Add(GroupBox2);
			Name = "ConflictPane";
			Size = new Size(280, 368);
			GroupBox1.ResumeLayout(false);
			GroupBox2.ResumeLayout(false);
			ResumeLayout(false);
		}

		// This event is raised when a different issue is selected.
		private void m_subject_PositionChanged(object sender, EventArgs e)
		{
			// test to see whether selected item is in conflict.  If not, return
			if (m_subject.ConflictItems != null && 
				m_subject.ConflictItems.Count > 0 && 
				m_subject.ConflictItems.ContainsKey(m_subject.CurrentItem["IssueID"]))
			{
				this.Show();
			}
			else
			{
				this.Hide();
				return;
			}
			
			// Populate conflict info into UI
			ConflictItem conflict = (ConflictItem)m_subject.ConflictItems[m_subject.CurrentItem["IssueID"]];
			
			lblServer.Text = "Assigned to: " + conflict.ServerVersion["DisplayName"] + "\r\nIssue is ";
			if ((bool)conflict.ServerVersion["IsOpen"])
				lblServer.Text += "open.";
			else
				lblServer.Text += "closed.";
				
			lblUser.Text = "Assigned to: " + conflict.ClientVersion["DisplayName"] + "\r\nIssue is ";
			if ((bool)conflict.ClientVersion["IsOpen"])
				lblUser.Text += "open.";
			else
				lblUser.Text += "closed.";
		}

		private void btnKeepServer_Click(object sender, EventArgs e)
		{
			ConflictItem conflict = (ConflictItem)m_subject.ConflictItems[m_subject.CurrentItem["IssueID"]];
			m_subject.ResolveConflict(conflict, false);
		}

		private void btnKeepUser_Click(object sender, EventArgs e)
		{
			ConflictItem conflict = (ConflictItem)m_subject.ConflictItems[m_subject.CurrentItem["IssueID"]];
			m_subject.ResolveConflict(conflict, true);
		}
	}
}