frmfind.cs

个人信息的源代码

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

namespace PublicUIComponent
{
	/// <summary>
	/// frmFind 的摘要说明。
	/// </summary>
	public class frmFind : System.Windows.Forms.Form
	{
		#region Windows 窗体设计器生成的代码

		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		public System.Windows.Forms.ComboBox cboFind;
		public System.Windows.Forms.ComboBox cboReplace;
		private System.Windows.Forms.CheckBox chkWholeWord;
		private System.Windows.Forms.CheckBox chkMatchCase;
		private System.Windows.Forms.Button btnGoHome;
		private System.Windows.Forms.Button btnFindNext;
		private System.Windows.Forms.Button btnReplace;
		private System.Windows.Forms.Button btnReplaceAll;
		private System.Windows.Forms.Button btnClose;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public frmFind()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(frmFind));
			this.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.cboFind = new System.Windows.Forms.ComboBox();
			this.cboReplace = new System.Windows.Forms.ComboBox();
			this.chkWholeWord = new System.Windows.Forms.CheckBox();
			this.chkMatchCase = new System.Windows.Forms.CheckBox();
			this.btnGoHome = new System.Windows.Forms.Button();
			this.btnFindNext = new System.Windows.Forms.Button();
			this.btnReplace = new System.Windows.Forms.Button();
			this.btnReplaceAll = new System.Windows.Forms.Button();
			this.btnClose = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// label1
			// 
			this.label1.AutoSize = true;
			this.label1.Location = new System.Drawing.Point(38, 22);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(91, 17);
			this.label1.TabIndex = 0;
			this.label1.Text = "要查找的文本：";
			// 
			// label2
			// 
			this.label2.AutoSize = true;
			this.label2.Location = new System.Drawing.Point(38, 78);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(91, 17);
			this.label2.TabIndex = 1;
			this.label2.Text = "要替换的文本：";
			// 
			// cboFind
			// 
			this.cboFind.Location = new System.Drawing.Point(38, 46);
			this.cboFind.Name = "cboFind";
			this.cboFind.Size = new System.Drawing.Size(146, 20);
			this.cboFind.TabIndex = 2;
			this.cboFind.SelectedIndexChanged += new System.EventHandler(this.cboFind_SelectedIndexChanged);
			this.cboFind.Leave += new System.EventHandler(this.cboFind_Leave);
			// 
			// cboReplace
			// 
			this.cboReplace.Location = new System.Drawing.Point(38, 94);
			this.cboReplace.Name = "cboReplace";
			this.cboReplace.Size = new System.Drawing.Size(146, 20);
			this.cboReplace.TabIndex = 3;
			this.cboReplace.Leave += new System.EventHandler(this.cboReplace_Leave);
			// 
			// chkWholeWord
			// 
			this.chkWholeWord.Location = new System.Drawing.Point(39, 150);
			this.chkWholeWord.Name = "chkWholeWord";
			this.chkWholeWord.TabIndex = 4;
			this.chkWholeWord.Text = "全字匹配";
			// 
			// chkMatchCase
			// 
			this.chkMatchCase.Location = new System.Drawing.Point(39, 126);
			this.chkMatchCase.Name = "chkMatchCase";
			this.chkMatchCase.TabIndex = 5;
			this.chkMatchCase.Text = "区分大小写";
			// 
			// btnGoHome
			// 
			this.btnGoHome.Location = new System.Drawing.Point(208, 16);
			this.btnGoHome.Name = "btnGoHome";
			this.btnGoHome.Size = new System.Drawing.Size(80, 24);
			this.btnGoHome.TabIndex = 6;
			this.btnGoHome.Text = "回到开头";
			this.btnGoHome.Click += new System.EventHandler(this.btnGoHome_Click);
			// 
			// btnFindNext
			// 
			this.btnFindNext.Location = new System.Drawing.Point(208, 48);
			this.btnFindNext.Name = "btnFindNext";
			this.btnFindNext.Size = new System.Drawing.Size(80, 24);
			this.btnFindNext.TabIndex = 7;
			this.btnFindNext.Text = "查找下一个";
			this.btnFindNext.Click += new System.EventHandler(this.btnFindNext_Click);
			// 
			// btnReplace
			// 
			this.btnReplace.Location = new System.Drawing.Point(208, 80);
			this.btnReplace.Name = "btnReplace";
			this.btnReplace.Size = new System.Drawing.Size(80, 24);
			this.btnReplace.TabIndex = 8;
			this.btnReplace.Text = "替换";
			this.btnReplace.Click += new System.EventHandler(this.btnReplace_Click);
			// 
			// btnReplaceAll
			// 
			this.btnReplaceAll.Location = new System.Drawing.Point(208, 112);
			this.btnReplaceAll.Name = "btnReplaceAll";
			this.btnReplaceAll.Size = new System.Drawing.Size(80, 24);
			this.btnReplaceAll.TabIndex = 9;
			this.btnReplaceAll.Text = "全部替换";
			this.btnReplaceAll.Click += new System.EventHandler(this.btnReplaceAll_Click);
			// 
			// btnClose
			// 
			this.btnClose.Location = new System.Drawing.Point(208, 144);
			this.btnClose.Name = "btnClose";
			this.btnClose.Size = new System.Drawing.Size(80, 24);
			this.btnClose.TabIndex = 10;
			this.btnClose.Text = "关闭";
			this.btnClose.Click += new System.EventHandler(this.btnClose_Click);
			// 
			// frmFind
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(328, 189);
			this.Controls.Add(this.btnClose);
			this.Controls.Add(this.btnReplaceAll);
			this.Controls.Add(this.btnReplace);
			this.Controls.Add(this.btnFindNext);
			this.Controls.Add(this.btnGoHome);
			this.Controls.Add(this.chkMatchCase);
			this.Controls.Add(this.chkWholeWord);
			this.Controls.Add(this.cboReplace);
			this.Controls.Add(this.cboFind);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.label1);
			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
			this.MaximizeBox = false;
			this.Name = "frmFind";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "查找与替换";
			this.TopMost = true;
			this.Closing += new System.ComponentModel.CancelEventHandler(this.frmFind_Closing);
			this.ResumeLayout(false);

		}
		#endregion

		//要处理的控件，从外界传入
		public RichTextBox rt = null;

		//当前查找的位置
		private int curPos = 0;

		#region 功能代码

		/// <summary>
		/// 查找下一个
		/// </summary>
		private void FindNext()
		{
			/*获取查找关键字*/
			string WordToFind;
			if(rt == null || this.cboFind.Text == String.Empty)
				return;
			WordToFind = this.cboFind.Text;

			/*设置搜索选项*/
			RichTextBoxFinds options = RichTextBoxFinds.None;
			if(this.chkMatchCase.Checked)
			{
				options = options | RichTextBoxFinds.MatchCase;
			}
			if(this.chkWholeWord.Checked)
			{
				options = options | RichTextBoxFinds.WholeWord;
			}

			/*开始搜索*/
			int iLoc;//查找的单词位置索引
			iLoc = rt.Find(WordToFind,curPos,-1,options);

			if(iLoc != -1)//如果找到
			{
				curPos = iLoc + WordToFind.Length;
			}
			else
			{
				curPos = 0;
				MessageBox.Show("没有找到匹配项。","提示信息",MessageBoxButtons.OK,MessageBoxIcon.Information);
			}
			this.AddTextToList(this.cboFind);
		}
		/// <summary>
		/// 将搜索过的单词加入列表
		/// </summary>
		/// <param name="cbb">ComboBox对象</param>
		private void AddTextToList(ComboBox cbb)
		{
			if(cbb.Text == String.Empty)
			{
				return;
			}
			if(cbb.Items.IndexOf(cbb.Text) == -1)
			{
				cbb.Items.Add(cbb.Text);
			}
		}
		/// <summary>
		/// 替换选中的文字
		/// </summary>
		private void Replace()
		{
			int start,length;
			start = this.rt.SelectionStart;
			length = this.rt.SelectionLength;

			if(this.cboReplace.Text == String.Empty || length == 0)//没有要替换的文字
				return;

			Font _font = this.rt.SelectionFont;//记录要替换的文字字体
			Color _color = this.rt.SelectionColor;//记录要替换文字的颜色

			this.rt.SelectedText = this.cboReplace.Text;//替换

			//重新将文字设为选定状态
			this.rt.SelectionStart = start;
			this.rt.SelectionLength = this.cboReplace.Text.Length;

			//重新设置文字的字体和颜色
			if(_font != null)
			{
				this.rt.SelectionFont = _font;
			}
			this.rt.SelectionColor = _color;

			this.AddTextToList(cboReplace);
		}
		/// <summary>
		/// 全部替换
		/// </summary>
		private void ReplaceAll()
		{
			/*获取查找关键字*/
			string WordToFind;//要查找的单词
			if(this.rt == null || this.cboFind.Text == String.Empty)
				return;
			WordToFind = this.cboFind.Text;

			/*设置搜索选项*/
			RichTextBoxFinds options = RichTextBoxFinds.None;
			if(this.chkMatchCase.Checked)
			{
				options = options | RichTextBoxFinds.MatchCase;
			}
			if(this.chkWholeWord.Checked)
			{
				options = options | RichTextBoxFinds.WholeWord;
			}

			int i,j,count,start;

			/*在全部文本中查找WordToFind*/
			i = this.rt.Find(WordToFind,0,-1,options);
			
			if(i != -1)//找到WordToFind第一次出现的位置
			{
				j = 0;//保存每次调用Find的结果
				count = 0;//初始化替换次数计数器

				while(j != -1)//不断替换
				{
					start = this.rt.SelectionStart;
					
					//记录字体信息
					Font _font = this.rt.SelectionFont;
					Color _color = this.rt.SelectionColor;

					//实现替换
					this.rt.SelectedText = this.cboReplace.Text;

					//设置替换后字体与替换前一致
					if(_font != null)
					{
						this.rt.SelectionFont = _font;
					}
					this.rt.SelectionColor = _color;

					count++;//统计替换次数

					//从新的位置进行查找
					j = this.rt.Find(WordToFind, start + WordToFind.Length, -1, options);
				}
				MessageBox.Show("替换完成，共替换 " + count + " 处。","提示信息",MessageBoxButtons.OK,MessageBoxIcon.Information);
			}
			else
			{
				MessageBox.Show("没有找到匹配项。","提示信息",MessageBoxButtons.OK,MessageBoxIcon.Information);
			}
		}

		#endregion

		private void btnGoHome_Click(object sender, System.EventArgs e)
		{
			this.curPos = 0;
			this.rt.SelectionStart = 0;
			this.rt.SelectionLength = 0;
		}

		private void btnFindNext_Click(object sender, System.EventArgs e)
		{
			this.FindNext();
		}

		private void btnReplace_Click(object sender, System.EventArgs e)
		{
			this.Replace();
		}

		private void btnReplaceAll_Click(object sender, System.EventArgs e)
		{
			this.ReplaceAll();
		}

		private void cboFind_SelectedIndexChanged(object sender, System.EventArgs e)
		{//内容改变时从头开始搜索
			this.curPos = 0;
		}

		private void btnClose_Click(object sender, System.EventArgs e)
		{
			this.Hide();
		}

		private void cboFind_Leave(object sender, System.EventArgs e)
		{
			this.AddTextToList(cboFind);
		}

		private void cboReplace_Leave(object sender, System.EventArgs e)
		{
			this.AddTextToList(cboReplace);
		}

		private void frmFind_Closing(object sender, System.ComponentModel.CancelEventArgs e)
		{
			this.Hide();
			e.Cancel = true;
		}
	}
}