MVP
{codecitation style="brush: xml;"}
using System.IO;
using System.Text;
namespace TextEditor.BL
{
public interface IFileManager
{
bool IsExist(string filePath);
int GetSymbolCount(string content);
string GetContent(string filePath);
string GetContent(string filePath, Encoding encoding);
void SaveContent(string content, string filePath);
void SaveContent(string content, string filePath, Encoding encoding);
}
public class FileManager:IFileManager
{
private readonly Encoding _encoding = Encoding.GetEncoding(1251);
public bool IsExist(string filePath)
{
return File.Exists(filePath);
}
public int GetSymbolCount(string content)
{
return content.Length;
}
public string GetContent(string filePath)
{
return GetContent(filePath, _encoding);
}
public string GetContent(string filePath, Encoding encoding)
{
return File.ReadAllText(filePath, encoding);
}
public void SaveContent(string content, string filePath)
{
SaveContent(content, filePath, _encoding);
}
public void SaveContent(string content, string filePath, Encoding encoding)
{
File.WriteAllText(filePath, content, encoding);
}
}
}
{/codecitation}
{codecitation style="brush: xml;"}
using System.Windows.Forms;
namespace TextEditor
{
public interface IMessageService
{
void ShowMessage(string message);
void ShowExclamation(string exclamation);
void ShowError(string error);
}
public class MessageService:IMessageService
{
public void ShowMessage(string message)
{
MessageBox.Show(message, "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
public void ShowExclamation(string exclamation)
{
MessageBox.Show(exclamation, "Предупреждение", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
public void ShowError(string error)
{
MessageBox.Show(error, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
{/codecitation}
{codecitation style="brush: xml;"}
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace TextEditor
{
public interface IMainForm
{
string FilePath { get; }
string Content { get; set; }
void SetSymbolCount(int count);
event EventHandler FileOpenClick;
event EventHandler FileSaveClick;
event EventHandler ContentChanged;
}
public partial class Form1 : Form,IMainForm
{
public Form1()
{
InitializeComponent();
butOpenFile.Click += new EventHandler(butOpenFile_Click);
butSaveFile.Click += new EventHandler(butSaveFile_Click);
fldContent.TextChanged += new EventHandler(fldContent_TextChanged);
butSelectFile.Click+=new EventHandler(butSelectFile_Click);
numFont.ValueChanged += new EventHandler(numFont_ValueChanged);
}
#region Проброс событий
void fldContent_TextChanged(object sender, EventArgs e)
{
if (ContentChanged != null) ContentChanged(this, EventArgs.Empty);
}
void butSaveFile_Click(object sender, EventArgs e)
{
if (FileSaveClick != null) FileSaveClick(this, EventArgs.Empty);
}
void butOpenFile_Click(object sender, EventArgs e)
{
if (FileOpenClick != null) FileOpenClick(this, EventArgs.Empty);
}
#endregion
#region IMainForm
public string FilePath
{
get { return fldFilePath.Text; }
}
public string Content
{
get
{
return fldContent.Text;
}
set
{
fldContent.Text=value;
}
}
public void SetSymbolCount(int count)
{
lblSymbolCount.Text=count.ToString();
}
public event EventHandler FileOpenClick;
public event EventHandler FileSaveClick;
public event EventHandler ContentChanged;
#endregion
void numFont_ValueChanged(object sender, EventArgs e)
{
fldContent.Font = new Font("Calibri", (float)numFont.Value);
}
void butSelectFile_Click(object sender, EventArgs e)
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.Filter = "Текстовые файлы|*.txt|Все файлы|*.*";
if (dlg.ShowDialog() == DialogResult.OK)
{
fldFilePath.Text = dlg.FileName;
if (FileOpenClick != null) FileOpenClick(this, EventArgs.Empty);
}
}
}
}
{/codecitation}
{codecitation style="brush: xml;"}
using System;
using TextEditor.BL;
namespace TextEditor
{
public class MainPresenter
{
private readonly IMainForm _view;
private readonly IFileManager _manager;
private readonly IMessageService _messageService;
private string _currentFilePath;
public MainPresenter(IMainForm view, IFileManager manager,
IMessageService sevice)
{
_view = view;
_manager = manager;
_messageService = sevice;
_view.SetSymbolCount(0);
_view.ContentChanged += new EventHandler(_view_ContentChanged);
_view.FileOpenClick += new EventHandler(_view_FileOpenClick);
_view.FileSaveClick += new EventHandler(_view_FileSaveClick);
}
void _view_FileSaveClick(object sender, EventArgs e)
{
try
{
string content = _view.Content;
_manager.SaveContent(content, _currentFilePath);
_messageService.ShowMessage("Файл успешно сохранен");
}
catch (Exception ex)
{
_messageService.ShowError(ex.Message);
}
}
void _view_FileOpenClick(object sender, EventArgs e)
{
try
{
string filePath = _view.FilePath;
bool isExist = _manager.IsExist(filePath);
if (!isExist)
{
_messageService.ShowExclamation("Выбранный файл не существует.");
return;
}
_currentFilePath = filePath;
string content = _manager.GetContent(filePath);
int count = _manager.GetSymbolCount(content);
_view.Content = content;
_view.SetSymbolCount(count);
}
catch (Exception ex)
{
_messageService.ShowError(ex.Message);
}
}
void _view_ContentChanged(object sender, EventArgs e)
{
string content=_view.Content;
int count = _manager.GetSymbolCount(content);
_view.SetSymbolCount(count);
}
}
}
{/codecitation}
{codecitation style="brush: xml;"}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
using TextEditor.BL;
namespace TextEditor
{
static class Program
{
///
/// The main entry point for the application.
///
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
MessageService service = new MessageService();
FileManager manager = new FileManager();
Form1 form = new Form1();
MainPresenter presenter = new MainPresenter(form, manager, service);
Application.Run(form);
}
}
}
{/codecitation}
{codecitation style="brush: xml;"}
namespace TextEditor
{
partial class Form1
{
///
/// Required designer variable.
///
private System.ComponentModel.IContainer components = null;
///
/// Clean up any resources being used.
///
/// true if managed resources should be disposed; otherwise, false.
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
///
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
///
private void InitializeComponent()
{
this.butSelectFile = new System.Windows.Forms.Button();
this.butOpenFile = new System.Windows.Forms.Button();
this.fldFilePath = new System.Windows.Forms.TextBox();
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.numFont = new System.Windows.Forms.NumericUpDown();
this.fldContent = new System.Windows.Forms.TextBox();
this.butSaveFile = new System.Windows.Forms.Button();
this.statusStrip1 = new System.Windows.Forms.StatusStrip();
this.toolStripStatusLabel1 = new System.Windows.Forms.ToolStripStatusLabel();
this.lblSymbolCount = new System.Windows.Forms.ToolStripStatusLabel();
((System.ComponentModel.ISupportInitialize)(this.numFont)).BeginInit();
this.statusStrip1.SuspendLayout();
this.SuspendLayout();
//
// butSelectFile
//
this.butSelectFile.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
this.butSelectFile.Location = new System.Drawing.Point(524, 12);
this.butSelectFile.Name = "butSelectFile";
this.butSelectFile.Size = new System.Drawing.Size(75, 23);
this.butSelectFile.TabIndex = 0;
this.butSelectFile.Text = "Select File";
this.butSelectFile.UseVisualStyleBackColor = true;
//
// butOpenFile
//
this.butOpenFile.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
this.butOpenFile.Location = new System.Drawing.Point(618, 12);
this.butOpenFile.Name = "butOpenFile";
this.butOpenFile.Size = new System.Drawing.Size(75, 23);
this.butOpenFile.TabIndex = 1;
this.butOpenFile.Text = "Open File";
this.butOpenFile.UseVisualStyleBackColor = true;
//
// fldFilePath
//
this.fldFilePath.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.fldFilePath.Location = new System.Drawing.Point(111, 15);
this.fldFilePath.Name = "fldFilePath";
this.fldFilePath.Size = new System.Drawing.Size(390, 20);
this.fldFilePath.TabIndex = 2;
//
// label1
//
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(12, 17);
this.label1.Name = "label1";
this.label1.RightToLeft = System.Windows.Forms.RightToLeft.Yes;
this.label1.Size = new System.Drawing.Size(74, 13);
this.label1.TabIndex = 3;
this.label1.Text = "Путь к файлу";
//
// label2
//
this.label2.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)));
this.label2.AutoSize = true;
this.label2.Location = new System.Drawing.Point(12, 56);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(41, 13);
this.label2.TabIndex = 4;
this.label2.Text = "Шрифт";
//
// numFont
//
this.numFont.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.numFont.Location = new System.Drawing.Point(111, 49);
this.numFont.Maximum = new decimal(new int[] {
72,
0,
0,
0});
this.numFont.Minimum = new decimal(new int[] {
6,
0,
0,
0});
this.numFont.Name = "numFont";
this.numFont.Size = new System.Drawing.Size(120, 20);
this.numFont.TabIndex = 5;
this.numFont.Value = new decimal(new int[] {
11,
0,
0,
0});
//
// fldContent
//
this.fldContent.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.fldContent.Location = new System.Drawing.Point(12, 87);
this.fldContent.Multiline = true;
this.fldContent.Name = "fldContent";
this.fldContent.ScrollBars = System.Windows.Forms.ScrollBars.Both;
this.fldContent.Size = new System.Drawing.Size(681, 178);
this.fldContent.TabIndex = 6;
//
// butSaveFile
//
this.butSaveFile.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.butSaveFile.Location = new System.Drawing.Point(618, 282);
this.butSaveFile.Name = "butSaveFile";
this.butSaveFile.Size = new System.Drawing.Size(75, 23);
this.butSaveFile.TabIndex = 7;
this.butSaveFile.Text = "Save";
this.butSaveFile.UseVisualStyleBackColor = true;
//
// statusStrip1
//
this.statusStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.toolStripStatusLabel1,
this.lblSymbolCount});
this.statusStrip1.Location = new System.Drawing.Point(0, 319);
this.statusStrip1.Name = "statusStrip1";
this.statusStrip1.Size = new System.Drawing.Size(705, 22);
this.statusStrip1.TabIndex = 8;
this.statusStrip1.Text = "statusStrip1";
//
// toolStripStatusLabel1
//
this.toolStripStatusLabel1.Name = "toolStripStatusLabel1";
this.toolStripStatusLabel1.Size = new System.Drawing.Size(130, 17);
this.toolStripStatusLabel1.Text = "Колличество символов :";
//
// lblSymbolCount
//
this.lblSymbolCount.Name = "lblSymbolCount";
this.lblSymbolCount.Size = new System.Drawing.Size(0, 17);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(705, 341);
this.Controls.Add(this.statusStrip1);
this.Controls.Add(this.butSaveFile);
this.Controls.Add(this.fldContent);
this.Controls.Add(this.numFont);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Controls.Add(this.fldFilePath);
this.Controls.Add(this.butOpenFile);
this.Controls.Add(this.butSelectFile);
this.Name = "Form1";
this.Text = "Form1";
((System.ComponentModel.ISupportInitialize)(this.numFont)).EndInit();
this.statusStrip1.ResumeLayout(false);
this.statusStrip1.PerformLayout();
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private System.Windows.Forms.Button butSelectFile;
private System.Windows.Forms.Button butOpenFile;
private System.Windows.Forms.TextBox fldFilePath;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.NumericUpDown numFont;
private System.Windows.Forms.TextBox fldContent;
private System.Windows.Forms.Button butSaveFile;
private System.Windows.Forms.StatusStrip statusStrip1;
private System.Windows.Forms.ToolStripStatusLabel toolStripStatusLabel1;
private System.Windows.Forms.ToolStripStatusLabel lblSymbolCount;
}
}
{/codecitation}
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