mirror of
https://github.com/Leonmmcoset/CMLeonOS.git
synced 2026-03-03 03:27:01 +00:00
302 lines
11 KiB
C#
302 lines
11 KiB
C#
using System;
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using System.Collections.Generic;
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namespace CMLeonOS
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{
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// 简单的代码编辑器类
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// 支持基本的文本编辑功能，如输入、删除、移动光标等
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// 支持文件的加载和保存
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public class Editor
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{
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private string fileName; // 要编辑的文件名
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private List<string> lines; // 文件内容的行列表
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private int currentLine; // 当前光标所在行
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private int currentColumn; // 当前光标所在列
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private bool isRunning; // 编辑器是否正在运行
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private FileSystem fileSystem; // 文件系统实例，用于读写文件
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// 构造函数
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// 参数：fileName - 要编辑的文件名
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// 参数：fs - 文件系统实例
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public Editor(string fileName, FileSystem fs)
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{
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this.fileName = fileName;
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this.fileSystem = fs;
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this.lines = new List<string>();
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this.currentLine = 0;
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this.currentColumn = 0;
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this.isRunning = true;
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LoadFile();
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}
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// 运行编辑器
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// 主循环：渲染界面 -> 处理输入 -> 重复
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public void Run()
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{
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while (isRunning)
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{
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Render();
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HandleInput();
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}
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}
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// 加载文件内容
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private void LoadFile()
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{
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try
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{
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// 尝试从文件系统读取文件内容
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string content = fileSystem.ReadFile(fileName);
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if (!string.IsNullOrEmpty(content))
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{
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// 分割内容为行
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string[] fileLines = content.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.None);
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foreach (string line in fileLines)
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{
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lines.Add(line);
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}
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}
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else
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{
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// 文件不存在或为空，创建新文件
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lines.Add("");
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}
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}
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catch
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{
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// 文件不存在，创建新文件
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lines.Add("");
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}
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}
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// 保存文件内容
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private void SaveFile()
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{
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try
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{
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// 简化实现，避免可能导致栈损坏的操作
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string content = "";
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for (int i = 0; i < lines.Count; i++)
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{
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content += lines[i];
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if (i < lines.Count - 1)
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{
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content += "\n";
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}
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}
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// 直接使用CreateFile，因为它会覆盖现有文件
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try
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{
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fileSystem.CreateFile(fileName, content);
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Console.WriteLine($"File saved: {fileName}");
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}
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catch (Exception ex)
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{
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Console.WriteLine($"Error saving file: {ex.Message}");
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine($"Error in SaveFile: {ex.Message}");
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}
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}
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// 渲染编辑器界面
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private void Render()
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{
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Console.Clear();
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// 显示标题栏
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Console.WriteLine($"CMLeonOS Editor - {fileName}");
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Console.WriteLine("--------------------------------");
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Console.WriteLine("Commands: Esc = Exit");
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Console.WriteLine();
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// 显示文件内容（限制显示行数，避免超出控制台高度）
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int maxVisibleLines = 15; // 假设控制台高度为25行，留10行给其他内容
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int startLine = Math.Max(0, currentLine - maxVisibleLines / 2);
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int endLine = Math.Min(lines.Count, startLine + maxVisibleLines);
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for (int i = startLine; i < endLine; i++)
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{
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string line = lines[i];
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Console.WriteLine($"{i + 1}: {line}");
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}
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// 显示光标位置
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Console.WriteLine();
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Console.WriteLine($"Cursor: Line {currentLine + 1}, Column {currentColumn + 1}");
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Console.WriteLine($"Lines: {lines.Count}");
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// 计算光标位置，确保不超出控制台高度
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int consoleHeight = 25; // 假设控制台高度为25行
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int titleLines = 4; // 标题栏占用的行数
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int visibleLines = endLine - startLine;
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int cursorY = titleLines + (currentLine - startLine);
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// 确保光标Y位置在有效范围内
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cursorY = Math.Max(titleLines, Math.Min(cursorY, consoleHeight - 5)); // 留5行给状态信息
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// 设置光标位置
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try
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{
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Console.SetCursorPosition(currentColumn + 4, cursorY);
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}
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catch
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{
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// 如果设置光标位置失败，忽略错误
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}
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}
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// 处理用户输入
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private void HandleInput()
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{
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ConsoleKeyInfo keyInfo = Console.ReadKey(true);
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switch (keyInfo.Key)
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{
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case ConsoleKey.Escape:
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// 显示保存确认弹窗
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ShowSaveConfirmation();
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break;
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case ConsoleKey.Backspace:
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// 删除字符
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if (currentColumn > 0)
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{
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string line = lines[currentLine];
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line = line.Remove(currentColumn - 1, 1);
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lines[currentLine] = line;
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currentColumn--;
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}
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else if (currentLine > 0)
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{
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// 如果在行首，合并到上一行
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string previousLine = lines[currentLine - 1];
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string lineText = lines[currentLine];
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lines.RemoveAt(currentLine);
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currentLine--;
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currentColumn = previousLine.Length;
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lines[currentLine] = previousLine + lineText;
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}
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break;
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case ConsoleKey.Enter:
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// 插入换行
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string currentLineText = lines[currentLine];
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string firstPart = currentLineText.Substring(0, currentColumn);
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string secondPart = currentLineText.Substring(currentColumn);
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lines[currentLine] = firstPart;
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lines.Insert(currentLine + 1, secondPart);
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currentLine++;
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currentColumn = 0;
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break;
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case ConsoleKey.LeftArrow:
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// 左移光标
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if (currentColumn > 0)
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{
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currentColumn--;
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}
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break;
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case ConsoleKey.RightArrow:
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// 右移光标
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if (currentColumn < lines[currentLine].Length)
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{
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currentColumn++;
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}
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break;
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case ConsoleKey.UpArrow:
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// 上移光标
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if (currentLine > 0)
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{
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currentLine--;
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currentColumn = Math.Min(currentColumn, lines[currentLine].Length);
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}
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break;
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case ConsoleKey.DownArrow:
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// 下移光标
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if (currentLine < lines.Count - 1)
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{
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currentLine++;
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currentColumn = Math.Min(currentColumn, lines[currentLine].Length);
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}
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break;
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default:
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// 输入字符
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if (char.IsLetterOrDigit(keyInfo.KeyChar) || char.IsPunctuation(keyInfo.KeyChar) || char.IsSymbol(keyInfo.KeyChar) || keyInfo.KeyChar == ' ')
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{
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string line = lines[currentLine];
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line = line.Insert(currentColumn, keyInfo.KeyChar.ToString());
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lines[currentLine] = line;
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currentColumn++;
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}
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break;
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}
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}
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// 显示保存确认弹窗
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private void ShowSaveConfirmation()
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{
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// 简化版本，避免使用可能在Cosmos中不支持的功能
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Console.Clear();
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// 显示灰色背景的确认弹窗
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Console.BackgroundColor = ConsoleColor.DarkGray;
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Console.ForegroundColor = ConsoleColor.White;
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// 简单的弹窗显示
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Console.WriteLine("+----------------------------+");
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Console.WriteLine("| Save File? |");
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Console.WriteLine("+----------------------------+");
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Console.WriteLine("| Do you want to save the |");
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Console.WriteLine("| changes? |");
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Console.WriteLine("+----------------------------+");
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Console.WriteLine("| Y = Yes, N = No |");
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Console.WriteLine("+----------------------------+");
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// 等待用户输入
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while (true)
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{
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ConsoleKeyInfo keyInfo;
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try
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{
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keyInfo = Console.ReadKey(true);
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}
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catch
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{
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// 如果ReadKey失败，直接退出
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Console.ResetColor();
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Console.Clear();
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isRunning = false;
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return;
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}
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if (keyInfo.Key == ConsoleKey.Y)
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{
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// 保存文件
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try
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{
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SaveFile();
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}
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catch
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{
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Console.WriteLine("Error saving file");
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}
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Console.ResetColor();
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Console.Clear();
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isRunning = false;
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break;
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}
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else if (keyInfo.Key == ConsoleKey.N)
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{
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// 不保存文件
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Console.ResetColor();
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Console.Clear();
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isRunning = false;
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break;
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}
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}
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}
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}
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}
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