mirror of
https://github.com/Leonmmcoset/CMLeonOS.git
synced 2026-04-21 19:24:00 +00:00
备忘录
This commit is contained in:
@@ -1 +1 @@
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2026-04-04 14:22:16
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2026-04-04 15:06:13
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@@ -1 +1 @@
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121d30f
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218ec19
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@@ -145,6 +145,7 @@ namespace CMLeonOS.Gui
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RegisterApp(new AppMetadata("Function Grapher", () => { return new FunctionGrapher(); }, Icons.Icon_Default, Color.FromArgb(25, 25, 25)));
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RegisterApp(new AppMetadata("CodeBlocks", () => { return new CodeBlocks(); }, Icons.Icon_Default, Color.FromArgb(25, 25, 25)));
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RegisterApp(new AppMetadata("Contacts", () => { return new Contacts(); }, Icons.Icon_Default, Color.FromArgb(25, 25, 25)));
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RegisterApp(new AppMetadata("Notes", () => { return new Notes(); }, Icons.Icon_Default, Color.FromArgb(25, 25, 25)));
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RegisterApp(new AppMetadata("Sheet Editor", () => { return new SheetEditor(); }, Icons.Icon_Default, Color.FromArgb(25, 25, 25)));
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RegisterApp(new AppMetadata("Tetris", () => { return new Tetris(); }, Icons.Icon_Default, Color.FromArgb(25, 25, 25)));
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465
Gui/Apps/Notes.cs
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465
Gui/Apps/Notes.cs
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@@ -0,0 +1,465 @@
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using CMLeonOS;
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using CMLeonOS.Gui.UILib;
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.IO;
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using System.Text;
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namespace CMLeonOS.Gui.Apps
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{
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internal class Notes : Process
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{
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internal Notes() : base("Notes", ProcessType.Application) { }
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private sealed class NoteItem
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{
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internal string Title = "Untitled";
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internal string Content = string.Empty;
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internal DateTime UpdatedAt = DateTime.Now;
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}
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private const string DataPath = @"0:\notes.dat";
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private const int ToolbarHeight = 34;
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private const int HeaderHeight = 40;
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private const int Padding = 8;
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private const int ButtonWidth = 84;
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private const int ButtonHeight = 24;
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private const int TitleRowHeight = 24;
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private readonly WindowManager wm = ProcessManager.GetProcess<WindowManager>();
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private readonly List<NoteItem> notes = new List<NoteItem>();
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private AppWindow window;
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private Window header;
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private Button newButton;
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private Button saveButton;
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private Button deleteButton;
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private Button reloadButton;
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private Table noteTable;
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private TextBox titleBox;
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private TextBox contentBox;
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private TextBlock titleLabel;
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private TextBlock contentLabel;
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private string status = @"Store: 0:\notes.dat";
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private static string Escape(string value)
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{
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string v = value ?? string.Empty;
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v = v.Replace("\\", "\\\\");
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v = v.Replace("\t", "\\t");
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v = v.Replace("\n", "\\n");
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v = v.Replace("\r", string.Empty);
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return v;
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}
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private static string Unescape(string value)
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{
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if (string.IsNullOrEmpty(value))
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{
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return string.Empty;
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}
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StringBuilder sb = new StringBuilder(value.Length);
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bool escaped = false;
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for (int i = 0; i < value.Length; i++)
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{
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char c = value[i];
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if (!escaped)
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{
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if (c == '\\')
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{
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escaped = true;
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}
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else
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{
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sb.Append(c);
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}
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continue;
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}
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switch (c)
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{
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case 't':
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sb.Append('\t');
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break;
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case 'n':
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sb.Append('\n');
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break;
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case '\\':
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sb.Append('\\');
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break;
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default:
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sb.Append(c);
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break;
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}
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escaped = false;
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}
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if (escaped)
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{
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sb.Append('\\');
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}
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return sb.ToString();
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}
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private static string[] SplitEscapedTabs(string line)
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{
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List<string> parts = new List<string>();
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StringBuilder current = new StringBuilder();
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bool escaped = false;
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for (int i = 0; i < line.Length; i++)
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{
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char c = line[i];
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if (escaped)
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{
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current.Append('\\');
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current.Append(c);
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escaped = false;
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continue;
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}
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if (c == '\\')
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{
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escaped = true;
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continue;
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}
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if (c == '\t')
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{
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parts.Add(current.ToString());
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current.Clear();
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continue;
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}
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current.Append(c);
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}
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if (escaped)
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{
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current.Append('\\');
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}
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parts.Add(current.ToString());
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return parts.ToArray();
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}
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private void SetStatus(string text)
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{
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status = text ?? string.Empty;
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RenderHeader();
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}
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private void RenderHeader()
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{
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header.Clear(Color.FromArgb(244, 246, 250));
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header.DrawRectangle(0, 0, header.Width, header.Height, Color.FromArgb(186, 194, 206));
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header.DrawString("Notes", Color.FromArgb(40, 49, 64), 12, 6);
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header.DrawString(status, Color.FromArgb(108, 117, 131), 12, 22);
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wm.Update(header);
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}
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private void LoadNotes()
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{
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notes.Clear();
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if (!File.Exists(DataPath))
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{
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SetStatus(@"No notes file yet. Save to create 0:\notes.dat");
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return;
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}
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string[] lines = File.ReadAllLines(DataPath);
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for (int i = 0; i < lines.Length; i++)
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{
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string line = lines[i] ?? string.Empty;
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if (string.IsNullOrWhiteSpace(line))
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{
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continue;
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}
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string[] parts = SplitEscapedTabs(line);
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NoteItem item = new NoteItem();
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item.Title = parts.Length > 0 ? Unescape(parts[0]) : "Untitled";
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item.Content = parts.Length > 1 ? Unescape(parts[1]) : string.Empty;
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long ticks = 0;
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if (parts.Length > 2 && long.TryParse(parts[2], out ticks))
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{
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item.UpdatedAt = new DateTime(ticks);
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}
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else
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{
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item.UpdatedAt = DateTime.Now;
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}
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if (string.IsNullOrWhiteSpace(item.Title))
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{
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item.Title = "Untitled";
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}
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notes.Add(item);
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}
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SetStatus($"Loaded {notes.Count} note(s)");
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}
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private void SaveNotes()
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{
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string[] lines = new string[notes.Count];
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for (int i = 0; i < notes.Count; i++)
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{
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NoteItem note = notes[i];
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lines[i] = string.Join("\t", new string[]
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{
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Escape(note.Title),
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Escape(note.Content),
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note.UpdatedAt.Ticks.ToString()
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});
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}
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File.WriteAllLines(DataPath, lines);
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}
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private string BuildListLabel(NoteItem note)
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{
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string title = string.IsNullOrWhiteSpace(note.Title) ? "Untitled" : note.Title.Trim();
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if (title.Length > 22)
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{
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title = title.Substring(0, 22) + "...";
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}
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string date = note.UpdatedAt.ToString("MM-dd HH:mm");
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return $"{title} {date}";
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}
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private void PopulateList(int preferredSelection)
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{
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noteTable.Cells.Clear();
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noteTable.SelectedCellIndex = -1;
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for (int i = 0; i < notes.Count; i++)
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{
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noteTable.Cells.Add(new TableCell(BuildListLabel(notes[i]), i));
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}
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if (preferredSelection >= 0 && preferredSelection < notes.Count)
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{
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noteTable.SelectedCellIndex = preferredSelection;
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}
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else if (notes.Count > 0)
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{
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noteTable.SelectedCellIndex = 0;
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}
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noteTable.Render();
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LoadCurrentSelection();
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}
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private void LoadCurrentSelection()
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{
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int idx = noteTable.SelectedCellIndex;
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if (idx < 0 || idx >= notes.Count)
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{
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titleBox.Text = string.Empty;
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contentBox.Text = string.Empty;
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SetStatus($"Loaded {notes.Count} note(s)");
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return;
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}
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NoteItem selected = notes[idx];
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titleBox.Text = selected.Title;
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contentBox.Text = selected.Content;
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SetStatus($"Selected: {selected.Title}");
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}
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private void NewClicked(int x, int y)
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{
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noteTable.SelectedCellIndex = -1;
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titleBox.Text = "Untitled";
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contentBox.Text = string.Empty;
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SetStatus("Create mode: edit and click Save");
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titleBox.Render();
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contentBox.Render();
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}
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private void SaveClicked(int x, int y)
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{
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string title = (titleBox.Text ?? string.Empty).Trim();
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if (string.IsNullOrWhiteSpace(title))
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{
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title = "Untitled";
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}
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string content = contentBox.Text ?? string.Empty;
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int idx = noteTable.SelectedCellIndex;
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if (idx >= 0 && idx < notes.Count)
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{
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notes[idx].Title = title;
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notes[idx].Content = content;
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notes[idx].UpdatedAt = DateTime.Now;
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SaveNotes();
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PopulateList(idx);
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SetStatus($"Updated: {title}");
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return;
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}
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NoteItem item = new NoteItem
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{
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Title = title,
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Content = content,
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UpdatedAt = DateTime.Now
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};
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notes.Insert(0, item);
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SaveNotes();
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PopulateList(0);
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SetStatus($"Created: {title}");
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}
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private void DeleteClicked(int x, int y)
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{
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int idx = noteTable.SelectedCellIndex;
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if (idx < 0 || idx >= notes.Count)
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{
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SetStatus("Select a note first");
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return;
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}
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string title = notes[idx].Title;
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notes.RemoveAt(idx);
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SaveNotes();
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int next = idx;
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if (next >= notes.Count)
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{
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next = notes.Count - 1;
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}
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PopulateList(next);
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SetStatus($"Deleted: {title}");
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}
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private void ReloadClicked(int x, int y)
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{
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LoadNotes();
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PopulateList(-1);
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}
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private void Relayout()
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{
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int right = window.Width - Padding;
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int topY = Padding;
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newButton.MoveAndResize(right - ((ButtonWidth * 4) + (Padding * 3)), topY, ButtonWidth, ButtonHeight);
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saveButton.MoveAndResize(right - ((ButtonWidth * 3) + (Padding * 2)), topY, ButtonWidth, ButtonHeight);
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deleteButton.MoveAndResize(right - ((ButtonWidth * 2) + Padding), topY, ButtonWidth, ButtonHeight);
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reloadButton.MoveAndResize(right - ButtonWidth, topY, ButtonWidth, ButtonHeight);
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header.MoveAndResize(0, ToolbarHeight, window.Width, HeaderHeight);
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int contentY = ToolbarHeight + HeaderHeight + Padding;
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int contentHeight = window.Height - contentY - Padding;
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int listWidth = Math.Max(220, (window.Width * 38) / 100);
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int editorX = listWidth + (Padding * 2);
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int editorWidth = window.Width - editorX - Padding;
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noteTable.MoveAndResize(Padding, contentY, listWidth - Padding, contentHeight);
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titleLabel.MoveAndResize(editorX, contentY + 2, 48, 20);
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titleBox.MoveAndResize(editorX + 48, contentY, editorWidth - 48, TitleRowHeight);
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int bodyY = contentY + TitleRowHeight + Padding;
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contentLabel.MoveAndResize(editorX, bodyY + 2, 60, 20);
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contentBox.MoveAndResize(editorX, bodyY + 22, editorWidth, Math.Max(80, contentY + contentHeight - (bodyY + 22)));
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newButton.Render();
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saveButton.Render();
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deleteButton.Render();
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reloadButton.Render();
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RenderHeader();
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noteTable.Render();
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titleLabel.Render();
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contentLabel.Render();
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titleBox.Render();
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contentBox.Render();
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}
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public override void Start()
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{
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base.Start();
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window = new AppWindow(this, 180, 96, 930, 540);
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window.Title = "Notes";
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window.Icon = AppManager.DefaultAppIcon;
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window.CanResize = true;
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window.UserResized = Relayout;
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window.Closing = TryStop;
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wm.AddWindow(window);
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newButton = new Button(window, 0, 0, 1, 1);
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newButton.Text = "New";
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newButton.OnClick = NewClicked;
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wm.AddWindow(newButton);
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saveButton = new Button(window, 0, 0, 1, 1);
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saveButton.Text = "Save";
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saveButton.OnClick = SaveClicked;
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wm.AddWindow(saveButton);
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deleteButton = new Button(window, 0, 0, 1, 1);
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deleteButton.Text = "Delete";
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deleteButton.OnClick = DeleteClicked;
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wm.AddWindow(deleteButton);
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reloadButton = new Button(window, 0, 0, 1, 1);
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reloadButton.Text = "Reload";
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reloadButton.OnClick = ReloadClicked;
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wm.AddWindow(reloadButton);
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header = new Window(this, window, 0, ToolbarHeight, window.Width, HeaderHeight);
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wm.AddWindow(header);
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noteTable = new Table(window, 0, 0, 1, 1);
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noteTable.CellHeight = 24;
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noteTable.Background = Color.White;
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noteTable.Foreground = Color.Black;
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noteTable.Border = Color.FromArgb(185, 194, 207);
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noteTable.SelectedBackground = Color.FromArgb(255, 240, 210);
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noteTable.SelectedBorder = Color.FromArgb(223, 164, 70);
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noteTable.SelectedForeground = Color.Black;
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noteTable.TableCellSelected = _ => LoadCurrentSelection();
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wm.AddWindow(noteTable);
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titleLabel = new TextBlock(window, 0, 0, 1, 1);
|
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titleLabel.Text = "Title";
|
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titleLabel.Foreground = UITheme.TextSecondary;
|
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wm.AddWindow(titleLabel);
|
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|
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contentLabel = new TextBlock(window, 0, 0, 1, 1);
|
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contentLabel.Text = "Content";
|
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contentLabel.Foreground = UITheme.TextSecondary;
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wm.AddWindow(contentLabel);
|
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|
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titleBox = new TextBox(window, 0, 0, 1, 1);
|
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wm.AddWindow(titleBox);
|
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|
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contentBox = new TextBox(window, 0, 0, 1, 1);
|
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contentBox.MultiLine = true;
|
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wm.AddWindow(contentBox);
|
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LoadNotes();
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PopulateList(-1);
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Relayout();
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wm.Update(window);
|
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}
|
||||
|
||||
public override void Run()
|
||||
{
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user