binaryresults.cs

A Generic, Reusable Diff Algorithm in C# 这是一个用C#实现的Diff程序

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using DifferenceEngine;

namespace DiffCalc
{
	/// <summary>
	/// Summary description for BinaryResults.
	/// </summary>
	public class BinaryResults : System.Windows.Forms.Form
	{
		private System.Windows.Forms.ListView listView1;
		private System.Windows.Forms.ColumnHeader columnHeader1;
		private System.Windows.Forms.ColumnHeader columnHeader2;
		private System.Windows.Forms.ColumnHeader columnHeader3;
		private System.Windows.Forms.ColumnHeader columnHeader4;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public BinaryResults(ArrayList al,double secs)
		{
			
			InitializeComponent();
			this.Text = string.Format("Binary Results: {0} secs.",secs.ToString("#0.00"));
			ListViewItem lvi = null;
			foreach (DiffResultSpan drs in al)
			{
				lvi = new ListViewItem(drs.Status.ToString());
				lvi.SubItems.Add(drs.DestIndex == -1 ? "---" : drs.DestIndex.ToString());
				lvi.SubItems.Add(drs.SourceIndex == -1 ? "---" : drs.SourceIndex.ToString());
				lvi.SubItems.Add(drs.Length.ToString());
				//lvi.BackColor = shade ? Color.AliceBlue : Color.White;
				switch (drs.Status)
				{
					case DiffResultSpanStatus.NoChange:
						lvi.ForeColor = Color.Black;
						lvi.BackColor = Color.White;
						break;
					case DiffResultSpanStatus.DeleteSource:
						lvi.ForeColor = Color.White;
						lvi.BackColor = Color.LightCoral;
						break;
					case DiffResultSpanStatus.AddDestination:
						lvi.ForeColor = Color.White;
						lvi.BackColor = Color.LightGreen;
						break;
					case DiffResultSpanStatus.Replace:
						lvi.ForeColor = Color.White;
						lvi.BackColor = Color.LightSkyBlue;
						break;
				}
				listView1.Items.Add(lvi);
			}
			
		}

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

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.listView1 = new System.Windows.Forms.ListView();
			this.columnHeader1 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader2 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader3 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader4 = new System.Windows.Forms.ColumnHeader();
			this.SuspendLayout();
			// 
			// listView1
			// 
			this.listView1.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
																						this.columnHeader1,
																						this.columnHeader2,
																						this.columnHeader3,
																						this.columnHeader4});
			this.listView1.Dock = System.Windows.Forms.DockStyle.Fill;
			this.listView1.FullRowSelect = true;
			this.listView1.GridLines = true;
			this.listView1.Location = new System.Drawing.Point(0, 0);
			this.listView1.MultiSelect = false;
			this.listView1.Name = "listView1";
			this.listView1.Size = new System.Drawing.Size(368, 308);
			this.listView1.TabIndex = 0;
			this.listView1.View = System.Windows.Forms.View.Details;
			this.listView1.Resize += new System.EventHandler(this.listView1_Resize);
			// 
			// columnHeader1
			// 
			this.columnHeader1.Text = "Result";
			// 
			// columnHeader2
			// 
			this.columnHeader2.Text = "Dest Index";
			this.columnHeader2.TextAlign = System.Windows.Forms.HorizontalAlignment.Right;
			// 
			// columnHeader3
			// 
			this.columnHeader3.Text = "Source Index";
			this.columnHeader3.TextAlign = System.Windows.Forms.HorizontalAlignment.Right;
			// 
			// columnHeader4
			// 
			this.columnHeader4.Text = "Length";
			this.columnHeader4.TextAlign = System.Windows.Forms.HorizontalAlignment.Right;
			// 
			// BinaryResults
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(368, 308);
			this.Controls.Add(this.listView1);
			this.Name = "BinaryResults";
			this.Text = "BinaryResults";
			this.Load += new System.EventHandler(this.BinaryResults_Load);
			this.ResumeLayout(false);

		}
		#endregion

		private void listView1_Resize(object sender, System.EventArgs e)
		{
			int w = Math.Max((listView1.Width - 20)/4,50);
			foreach (ColumnHeader ch in listView1.Columns)
			{
				ch.Width = w;
			}

		}

		private void BinaryResults_Load(object sender, System.EventArgs e)
		{
			listView1_Resize(this,e);
		}
	}
}