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打开文件可视化窗口+CodeStudio代码高亮
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313
Gui/UILib/FileBrowser.cs
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313
Gui/UILib/FileBrowser.cs
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using CMLeonOS;
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using CMLeonOS.Gui.UILib;
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using Cosmos.System.Graphics;
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using System.Drawing;
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using System;
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using System.Collections.Generic;
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using System.IO;
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namespace CMLeonOS.Gui.UILib
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{
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internal class FileBrowser
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{
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private Process process;
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private WindowManager wm;
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private Window window;
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private Table fileTable;
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private TextBox pathBox;
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private TextBox fileNameBox;
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private Button upButton;
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private Button selectButton;
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private Button cancelButton;
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private string currentPath = @"0:\";
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private string selectedPath = null;
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private Action<string> onFileSelected;
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private bool selectDirectoryOnly = false;
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private const int headerHeight = 32;
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private const int buttonHeight = 28;
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private const int buttonWidth = 80;
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private const int fileNameBoxHeight = 24;
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internal FileBrowser(Process process, WindowManager wm, Action<string> onFileSelected, bool selectDirectoryOnly = false)
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{
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this.process = process;
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this.wm = wm;
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this.onFileSelected = onFileSelected;
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this.selectDirectoryOnly = selectDirectoryOnly;
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}
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private static class Icons
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{
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[IL2CPU.API.Attribs.ManifestResourceStream(ResourceName = "CMLeonOS.Gui.Resources.Files.Directory.bmp")]
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private static byte[] _iconBytes_Directory;
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internal static Bitmap Icon_Directory = new Bitmap(_iconBytes_Directory);
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[IL2CPU.API.Attribs.ManifestResourceStream(ResourceName = "CMLeonOS.Gui.Resources.Files.File.bmp")]
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private static byte[] _iconBytes_File;
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internal static Bitmap Icon_File = new Bitmap(_iconBytes_File);
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[IL2CPU.API.Attribs.ManifestResourceStream(ResourceName = "CMLeonOS.Gui.Resources.Files.File_Text.bmp")]
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private static byte[] _iconBytes_File_Text;
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internal static Bitmap Icon_File_Text = new Bitmap(_iconBytes_File_Text);
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[IL2CPU.API.Attribs.ManifestResourceStream(ResourceName = "CMLeonOS.Gui.Resources.Files.Up.bmp")]
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private static byte[] _iconBytes_Up;
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internal static Bitmap Icon_Up = new Bitmap(_iconBytes_Up);
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}
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private Bitmap GetFileIcon(string path)
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{
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string extension = Path.GetExtension(path).ToLower();
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return extension switch
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{
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".txt" or ".md" or ".log" or ".lua" or ".rs" => Icons.Icon_File_Text,
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_ => Icons.Icon_File
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};
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}
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private void PopulateFileTable()
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{
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fileTable.Cells.Clear();
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fileTable.SelectedCellIndex = -1;
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bool empty = true;
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foreach (string path in Directory.GetDirectories(currentPath))
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{
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fileTable.Cells.Add(new TableCell(Icons.Icon_Directory, Path.GetFileName(path), tag: "Directory"));
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empty = false;
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}
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foreach (string path in Directory.GetFiles(currentPath))
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{
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fileTable.Cells.Add(new TableCell(GetFileIcon(path), Path.GetFileName(path), tag: "File"));
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empty = false;
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}
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if (empty)
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{
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fileTable.Clear(fileTable.Background);
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fileTable.DrawString("This folder is empty.", Color.Black, (fileTable.Width / 2) - 80, 12);
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wm.Update(fileTable);
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}
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else
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{
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fileTable.Render();
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}
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}
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private void PathBoxChanged()
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{
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string inputPath = pathBox.Text;
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if (string.IsNullOrWhiteSpace(inputPath))
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{
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return;
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}
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if (!inputPath.Contains(':'))
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{
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inputPath = $@"0:\{inputPath}";
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}
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if (Directory.Exists(inputPath))
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{
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currentPath = inputPath;
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PopulateFileTable();
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}
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else if (File.Exists(inputPath))
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{
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currentPath = Path.GetDirectoryName(inputPath);
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PopulateFileTable();
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}
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}
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private void PathBoxSubmitted()
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{
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string inputPath = pathBox.Text;
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if (string.IsNullOrWhiteSpace(inputPath))
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{
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return;
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}
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if (!inputPath.Contains(':'))
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{
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inputPath = $@"0:\{inputPath}";
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}
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if (File.Exists(inputPath) || (selectDirectoryOnly && Directory.Exists(inputPath)))
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{
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selectedPath = inputPath;
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onFileSelected?.Invoke(selectedPath);
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Close();
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}
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else if (Directory.Exists(inputPath))
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{
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currentPath = inputPath;
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PopulateFileTable();
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}
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}
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private void UpClicked(int x, int y)
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{
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if (currentPath.Length > 3)
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{
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string parentPath = Path.GetDirectoryName(currentPath);
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if (!string.IsNullOrEmpty(parentPath))
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{
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currentPath = @"0:\";
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}
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else
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{
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currentPath = parentPath;
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}
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PopulateFileTable();
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}
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}
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private void SelectClicked(int x, int y)
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{
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if (fileTable.SelectedCellIndex >= 0)
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{
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TableCell selectedCell = fileTable.Cells[fileTable.SelectedCellIndex];
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string selectedName = selectedCell.Text;
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string fullPath = Path.Combine(currentPath, selectedName);
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string tag = selectedCell.Tag as string;
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if (tag == "Directory")
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{
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currentPath = fullPath;
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PopulateFileTable();
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}
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else if (tag == "File")
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{
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if (selectDirectoryOnly)
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{
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string fileName = fileNameBox.Text;
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if (string.IsNullOrWhiteSpace(fileName))
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{
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fileName = selectedName;
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}
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selectedPath = Path.Combine(currentPath, fileName);
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}
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else
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{
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selectedPath = fullPath;
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}
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onFileSelected?.Invoke(selectedPath);
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Close();
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}
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}
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else if (selectDirectoryOnly)
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{
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string fileName = fileNameBox.Text;
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if (!string.IsNullOrWhiteSpace(fileName))
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{
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selectedPath = Path.Combine(currentPath, fileName);
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onFileSelected?.Invoke(selectedPath);
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Close();
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}
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}
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}
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private void FileTableSelected(int index)
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{
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SelectClicked(0, 0);
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}
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private void CancelClicked(int x, int y)
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{
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selectedPath = null;
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onFileSelected?.Invoke(null);
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Close();
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}
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private void FileTableDoubleClicked(int index)
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{
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SelectClicked(0, 0);
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}
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internal void Show()
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{
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window = new Window(process, 100, 100, 500, 400);
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wm.AddWindow(window);
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window.DrawString(selectDirectoryOnly ? "Save As" : "Open File", Color.DarkBlue, 12, 12);
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pathBox = new TextBox(window, 8, 40, window.Width - 16, 24)
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{
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Background = Color.White,
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Foreground = Color.Black,
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Text = currentPath,
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ReadOnly = false
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};
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pathBox.Changed = PathBoxChanged;
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pathBox.Submitted = PathBoxSubmitted;
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wm.AddWindow(pathBox);
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if (selectDirectoryOnly)
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{
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window.DrawString("File name:", Color.Black, 8, 72);
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fileNameBox = new TextBox(window, 8, 96, window.Width - 16, fileNameBoxHeight)
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{
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Background = Color.White,
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Foreground = Color.Black,
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Text = "",
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ReadOnly = false
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};
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wm.AddWindow(fileNameBox);
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}
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upButton = new Button(window, 8, selectDirectoryOnly ? 128 : 72, 60, buttonHeight)
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{
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Text = "Up",
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Image = Icons.Icon_Up,
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ImageLocation = Button.ButtonImageLocation.Left
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};
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upButton.OnClick = UpClicked;
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wm.AddWindow(upButton);
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int tableY = selectDirectoryOnly ? 128 + buttonHeight + 8 : 72 + buttonHeight + 8;
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int tableHeight = window.Height - tableY - buttonHeight - 8 - buttonHeight - 16;
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fileTable = new Table(window, 8, tableY, window.Width - 16, tableHeight)
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{
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AllowDeselection = false
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};
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fileTable.TableCellSelected = FileTableSelected;
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PopulateFileTable();
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wm.AddWindow(fileTable);
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int buttonY = window.Height - buttonHeight - 8;
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selectButton = new Button(window, window.Width - buttonWidth - 8, buttonY, buttonWidth, buttonHeight)
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{
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Text = selectDirectoryOnly ? "Save" : "Open"
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};
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selectButton.OnClick = SelectClicked;
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wm.AddWindow(selectButton);
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cancelButton = new Button(window, window.Width - buttonWidth * 2 - 16, buttonY, buttonWidth, buttonHeight)
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{
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Text = "Cancel"
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};
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cancelButton.OnClick = CancelClicked;
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wm.AddWindow(cancelButton);
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wm.Update(window);
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}
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internal void Close()
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{
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if (window != null)
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{
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wm.RemoveWindow(window);
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window = null;
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}
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}
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}
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}
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@@ -19,6 +19,11 @@ namespace CMLeonOS.Gui.UILib
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internal Action Submitted;
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internal Action Changed;
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internal virtual void RenderLine(int lineIndex, string lineText, int lineY, int xOffset)
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{
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DrawString(lineText, Foreground, xOffset, lineY);
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}
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internal string Text
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{
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get
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@@ -355,7 +360,8 @@ namespace CMLeonOS.Gui.UILib
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if (i < lines.Count)
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{
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DrawString(Shield ? new string('*', lines[i].Length) : lines[i], Foreground, -scrollX, lineY);
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string lineText = Shield ? new string('*', lines[i].Length) : lines[i];
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RenderLine(i, lineText, lineY, -scrollX);
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if (caretLine == i)
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{
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