etwen
a66d2a19e4
Switch to AutoScaleMode.Dpi (PerMonitorV2) so control sizes scale by the exact DPI ratio, matching point-font rendering and eliminating text/button clipping at 125%/150%. Make toolbar, settings, sidebar buttons and About labels AutoSize; align left tab bar with workspace toolbar (both 40px); About cards now auto-grow and the left column scrolls. ActivityRail cell size is DPI-aware. No version bump.
669 lines
26 KiB
C#
669 lines
26 KiB
C#
using System.Drawing;
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using System.Windows.Forms;
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using ETTerms.App.Dialogs;
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using ETTerms.Connections;
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namespace ETTerms.App;
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/// <summary>
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/// Saved Connections 側欄（仿 KKTerm）：可自建資料夾、把連線分類進去。
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/// 功能：搜尋、Quick Connect、新增資料夾 / 連線、改名、刪除、拖曳分類、展開 / 收合。
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/// Phase 2：連線資料綁 <see cref="ConnectionStore"/>（SQLite）持久化，密碼走 <see cref="CredentialVault"/>。
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/// 資料夾以連線的 GroupName（'/'-join 路徑）持久化；空資料夾為 session-only。
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/// </summary>
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public sealed class ConnectionSidebar : UserControl
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{
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/// <summary>使用者啟用（雙擊 / Open / Quick Connect）一條連線時觸發。</summary>
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public event EventHandler<Connection>? ConnectionActivated;
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// ── in-memory tree（連線節點掛 Connection；資料夾節點只用 Name）──
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private enum Kind { Folder, Connection }
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private sealed class Node
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{
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public Kind Kind;
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public string Name = ""; // 資料夾名稱
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public Connection? Conn; // 連線資料（Kind == Connection）
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public bool Expanded = true;
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public Node? Parent;
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public readonly List<Node> Children = new();
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public bool IsFolder => Kind == Kind.Folder;
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public string DisplayName => IsFolder ? Name : (Conn?.Name ?? "");
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public string Detail => Conn?.Detail ?? "";
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public bool IsSsh => Conn?.IsSsh ?? false;
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}
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private readonly Node _root = new() { Kind = Kind.Folder, Name = "root" };
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private readonly ConnectionStore _store = new();
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private int _sortSeq;
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private readonly TreeView _tree;
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private readonly TextBox _search;
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private TreeNode? _dragNode;
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public ConnectionSidebar()
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{
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Width = 250;
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Dock = DockStyle.Left;
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BackColor = Theme.SidebarBack;
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// ── Tab bar (Sessions / SFTP) ──
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// 高度 40 與右側 Workspace 工具列對齊，讓「CONNECTIONS / 連線清單」與右側分頁列同一條基準線
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var tabBar = new FlowLayoutPanel
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{
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Dock = DockStyle.Top, Height = 40, BackColor = Theme.RailBack,
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Padding = new Padding(4, 7, 4, 0), WrapContents = false
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};
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var sessionsPanel = new Panel { Dock = DockStyle.Fill, BackColor = Theme.SidebarBack };
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var sftpPanel = new Panel { Dock = DockStyle.Fill, BackColor = Theme.SidebarBack, Visible = false };
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Button? activeTab = null;
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Button MakeTabBtn(string text, Panel panel)
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{
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var b = new Button
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{
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Text = text, AutoSize = true, AutoSizeMode = AutoSizeMode.GrowAndShrink,
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MinimumSize = new Size(70, 24), Padding = new Padding(8, 2, 8, 2),
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FlatStyle = FlatStyle.Flat,
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ForeColor = Theme.Text, BackColor = Theme.TabBack, Font = Theme.UiFont,
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Margin = new Padding(0, 0, 4, 0), Cursor = Cursors.Hand
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};
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b.FlatAppearance.BorderColor = Theme.Border;
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b.FlatAppearance.MouseOverBackColor = Theme.Hover;
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b.Click += (_, _) =>
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{
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sessionsPanel.Visible = panel == sessionsPanel;
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sftpPanel.Visible = panel == sftpPanel;
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if (activeTab != null) activeTab.BackColor = Theme.TabBack;
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b.BackColor = Theme.TabActiveBack;
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activeTab = b;
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};
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return b;
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}
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var sessBtn = MakeTabBtn("📡 Sessions", sessionsPanel);
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var sftpBtn = MakeTabBtn("📁 SFTP", sftpPanel);
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sessBtn.BackColor = Theme.TabActiveBack;
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activeTab = sessBtn;
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tabBar.Controls.Add(sessBtn);
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tabBar.Controls.Add(sftpBtn);
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// ── Sessions panel content ──
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var header = new Panel { Dock = DockStyle.Top, Height = 34, BackColor = Theme.SidebarBack };
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var title = new Label
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{
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Text = "CONNECTIONS",
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Dock = DockStyle.Fill,
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ForeColor = Theme.Text,
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Font = Theme.UiFontBold,
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TextAlign = ContentAlignment.MiddleLeft,
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Padding = new Padding(10, 0, 0, 0)
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};
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var btnNewFolder = IconButton("🗀", "New Folder", (_, _) => NewFolder(SelectedFolder()));
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var btnNewConn = IconButton("＋", "New Connection", (_, _) => NewConnection(SelectedFolder()));
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btnNewConn.Dock = DockStyle.Right;
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btnNewFolder.Dock = DockStyle.Right;
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header.Controls.Add(title);
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header.Controls.Add(btnNewFolder);
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header.Controls.Add(btnNewConn);
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var searchHost = new Panel { Dock = DockStyle.Top, Height = 32, BackColor = Theme.SidebarBack, Padding = new Padding(8, 2, 8, 4) };
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_search = new TextBox
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{
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Dock = DockStyle.Fill,
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BackColor = Theme.WorkspaceBack,
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ForeColor = Theme.Text,
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BorderStyle = BorderStyle.FixedSingle,
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Font = Theme.UiFont,
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PlaceholderText = "Search hosts, folders"
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};
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_search.TextChanged += (_, _) => Rebuild();
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searchHost.Controls.Add(_search);
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var quick = new Button
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{
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Text = "▷ Quick Connect",
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Dock = DockStyle.Top,
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Height = 34,
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FlatStyle = FlatStyle.Flat,
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ForeColor = Color.White,
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BackColor = Theme.Accent,
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Font = Theme.UiFontBold,
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Cursor = Cursors.Hand,
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Margin = new Padding(8)
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};
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quick.FlatAppearance.BorderSize = 0;
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quick.FlatAppearance.MouseOverBackColor = Theme.AccentDim;
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quick.Click += (_, _) => QuickConnect();
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var quickHost = new Panel { Dock = DockStyle.Top, Height = 42, BackColor = Theme.SidebarBack, Padding = new Padding(8, 4, 8, 4) };
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quickHost.Controls.Add(quick);
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var shellBtn = new Button
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{
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Text = "🖥 Local Shell", Dock = DockStyle.Top, Height = 30,
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FlatStyle = FlatStyle.Flat, ForeColor = Theme.Text, BackColor = Theme.TabBack,
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Font = Theme.UiFont, Cursor = Cursors.Hand
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};
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shellBtn.FlatAppearance.BorderColor = Theme.Border;
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shellBtn.FlatAppearance.MouseOverBackColor = Theme.Hover;
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shellBtn.Click += (_, _) => OpenLocalShell();
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var shellHost = new Panel { Dock = DockStyle.Top, Height = 36, BackColor = Theme.SidebarBack, Padding = new Padding(8, 2, 8, 4) };
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shellHost.Controls.Add(shellBtn);
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var toolbar = new Panel { Dock = DockStyle.Top, Height = 28, BackColor = Theme.SidebarBack };
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var btnExpand = IconButton("⊞", "Expand All", (_, _) => SetAllExpanded(true));
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var btnCollapse = IconButton("⊟", "Collapse All", (_, _) => SetAllExpanded(false));
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btnExpand.Dock = DockStyle.Right;
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btnCollapse.Dock = DockStyle.Right;
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toolbar.Controls.Add(btnExpand);
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toolbar.Controls.Add(btnCollapse);
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_tree = new TreeView
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{
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Dock = DockStyle.Fill,
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BackColor = Theme.SidebarBack,
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ForeColor = Theme.Text,
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BorderStyle = BorderStyle.None,
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Font = Theme.UiFont,
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HideSelection = false,
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ShowLines = false,
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ShowRootLines = true,
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ShowPlusMinus = true,
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FullRowSelect = true,
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ItemHeight = 26,
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Indent = 18,
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AllowDrop = true
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};
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_tree.NodeMouseDoubleClick += OnNodeDoubleClick;
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_tree.AfterExpand += (_, e) => { if (e.Node?.Tag is Node n) n.Expanded = true; };
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_tree.AfterCollapse += (_, e) => { if (e.Node?.Tag is Node n) n.Expanded = false; };
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_tree.MouseDown += OnTreeMouseDown;
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_tree.ItemDrag += OnItemDrag;
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_tree.DragEnter += (_, e) => e.Effect = DragDropEffects.Move;
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_tree.DragOver += OnDragOver;
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_tree.DragDrop += OnDragDrop;
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sessionsPanel.Controls.Add(_tree);
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sessionsPanel.Controls.Add(toolbar);
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sessionsPanel.Controls.Add(shellHost);
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sessionsPanel.Controls.Add(quickHost);
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sessionsPanel.Controls.Add(searchHost);
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sessionsPanel.Controls.Add(header);
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// ── SFTP panel content ──
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BuildSftpPanel(sftpPanel);
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// ── Main layout ──
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Controls.Add(sessionsPanel);
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Controls.Add(sftpPanel);
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Controls.Add(tabBar);
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LoadFromStore();
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Rebuild();
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}
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// ── SFTP panel builder ──────────────────────────────────────
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private Renci.SshNet.SftpClient? _sftp;
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private ListView? _sftpList;
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private TextBox? _sftpPath;
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private void BuildSftpPanel(Panel panel)
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{
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// Connection row
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var connRow = new FlowLayoutPanel
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{
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Dock = DockStyle.Top, Height = 30, BackColor = Theme.SidebarBack,
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Padding = new Padding(4, 4, 4, 0), WrapContents = false
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};
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var sshLabel = new Label { Text = "SSH:", AutoSize = true, ForeColor = Theme.TextDim, Font = Theme.UiFont, Margin = new Padding(0, 4, 4, 0) };
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var sshCombo = new ComboBox { Width = 120, DropDownStyle = ComboBoxStyle.DropDownList, BackColor = Theme.TabBack, ForeColor = Theme.Text, Font = Theme.UiFont };
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var connectBtn = new Button
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{
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Text = "Connect", AutoSize = true, AutoSizeMode = AutoSizeMode.GrowAndShrink,
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MinimumSize = new Size(64, 24), Padding = new Padding(8, 2, 8, 2),
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FlatStyle = FlatStyle.Flat,
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ForeColor = Theme.Text, BackColor = Theme.TabBack, Font = Theme.UiFont, Cursor = Cursors.Hand, Margin = new Padding(4, 0, 0, 0)
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};
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connectBtn.FlatAppearance.BorderColor = Theme.SerialColor;
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connRow.Controls.Add(sshLabel);
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connRow.Controls.Add(sshCombo);
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connRow.Controls.Add(connectBtn);
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// Path bar
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_sftpPath = new TextBox
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{
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Dock = DockStyle.Top, Height = 24, Text = "/",
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BackColor = Theme.TabBack, ForeColor = Theme.Accent, Font = Theme.UiFont, BorderStyle = BorderStyle.FixedSingle
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};
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_sftpPath.KeyDown += (_, e) => { if (e.KeyCode == Keys.Enter && _sftp?.IsConnected == true) SftpNavigate(_sftpPath.Text); };
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// File list
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_sftpList = new ListView
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{
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Dock = DockStyle.Fill, View = View.Details, FullRowSelect = true,
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BackColor = Theme.SidebarBack, ForeColor = Theme.Text, Font = Theme.UiFont,
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BorderStyle = BorderStyle.None, HeaderStyle = ColumnHeaderStyle.Nonclickable
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};
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_sftpList.Columns.Add("Name", 150);
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_sftpList.Columns.Add("Size", 60, HorizontalAlignment.Right);
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_sftpList.DoubleClick += (_, _) =>
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{
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if (_sftpList.SelectedItems.Count == 0 || _sftp?.IsConnected != true) return;
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var item = _sftpList.SelectedItems[0];
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if (item.Tag is string dir) SftpNavigate(dir);
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};
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panel.Controls.Add(_sftpList);
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panel.Controls.Add(_sftpPath);
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panel.Controls.Add(connRow);
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// Populate SSH connections on tab show
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panel.VisibleChanged += (_, _) =>
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{
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if (!panel.Visible) return;
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sshCombo.Items.Clear();
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foreach (var conn in _store.GetAll().Where(c => c.IsSsh))
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sshCombo.Items.Add(conn);
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sshCombo.DisplayMember = "Name";
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};
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connectBtn.Click += (_, _) =>
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{
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if (_sftp?.IsConnected == true) { _sftp.Disconnect(); _sftp.Dispose(); _sftp = null; connectBtn.Text = "Connect"; _sftpList!.Items.Clear(); return; }
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if (sshCombo.SelectedItem is not Connections.Connection conn || conn.Ssh == null) return;
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try
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{
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var secret = Connections.CredentialVault.Get(conn.CredentialKey);
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var methods = new List<Renci.SshNet.AuthenticationMethod>();
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if (!string.IsNullOrEmpty(secret))
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methods.Add(new Renci.SshNet.PasswordAuthenticationMethod(conn.Ssh.Username, secret));
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var ci = new Renci.SshNet.ConnectionInfo(conn.Ssh.Host, conn.Ssh.Port, conn.Ssh.Username, methods.ToArray());
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_sftp = new Renci.SshNet.SftpClient(ci);
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_sftp.Connect();
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connectBtn.Text = "Disconnect";
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SftpNavigate(_sftp.WorkingDirectory ?? "/");
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}
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catch (Exception ex)
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{
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MessageBox.Show(this, $"SFTP connect failed:\n{ex.Message}", "SFTP", MessageBoxButtons.OK, MessageBoxIcon.Warning);
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}
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};
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}
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private void SftpNavigate(string path)
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{
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if (_sftp == null || _sftpList == null || _sftpPath == null) return;
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try
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{
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var items = _sftp.ListDirectory(path).OrderByDescending(f => f.IsDirectory).ThenBy(f => f.Name).ToList();
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_sftpPath.Text = path;
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_sftpList.Items.Clear();
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if (path != "/")
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{
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var parent = path.TrimEnd('/');
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int lastSlash = parent.LastIndexOf('/');
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string parentPath = lastSlash <= 0 ? "/" : parent[..lastSlash];
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var up = new ListViewItem(new[] { "..", "" }) { Tag = parentPath, ForeColor = Theme.Accent };
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_sftpList.Items.Add(up);
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}
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foreach (var f in items)
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{
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if (f.Name == "." || f.Name == "..") continue;
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string size = f.IsDirectory ? "" : FormatSize(f.Length);
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var lvi = new ListViewItem(new[] { (f.IsDirectory ? "📁 " : "📄 ") + f.Name, size });
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lvi.ForeColor = f.IsDirectory ? Theme.Accent : Theme.Text;
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if (f.IsDirectory) lvi.Tag = f.FullName;
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_sftpList.Items.Add(lvi);
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}
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}
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catch (Exception ex)
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{
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MessageBox.Show(this, ex.Message, "SFTP", MessageBoxButtons.OK, MessageBoxIcon.Warning);
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}
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}
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private static string FormatSize(long bytes) => bytes switch
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{
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< 1024 => $"{bytes}",
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< 1024 * 1024 => $"{bytes / 1024}K",
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_ => $"{bytes / (1024 * 1024)}M"
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};
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// ── 從 SQLite 載入並重建資料夾樹 ─────────────────────────
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private void LoadFromStore()
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{
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foreach (var conn in _store.GetAll())
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{
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var folder = EnsureFolderPath(conn.GroupName);
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AddNode(folder, new Node { Kind = Kind.Connection, Conn = conn });
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_sortSeq = Math.Max(_sortSeq, conn.SortOrder);
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}
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}
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private Node EnsureFolderPath(string? group)
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{
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var cur = _root;
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if (string.IsNullOrEmpty(group)) return cur;
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foreach (var part in group.Split('/', StringSplitOptions.RemoveEmptyEntries))
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{
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var next = cur.Children.FirstOrDefault(c => c.IsFolder && c.Name == part)
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?? AddNode(cur, new Node { Kind = Kind.Folder, Name = part });
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cur = next;
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}
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return cur;
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}
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private string? PathOf(Node folder)
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{
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var parts = new List<string>();
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for (var n = folder; n != null && n != _root; n = n.Parent) parts.Insert(0, n.Name);
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return parts.Count == 0 ? null : string.Join("/", parts);
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}
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private static Node AddNode(Node parent, Node child)
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{
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child.Parent = parent;
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parent.Children.Add(child);
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return child;
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}
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// ── 重建 TreeView（套用搜尋過濾、保留展開狀態）────────────
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private void Rebuild()
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{
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string q = _search.Text.Trim().ToLowerInvariant();
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_tree.BeginUpdate();
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_tree.Nodes.Clear();
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foreach (var child in _root.Children)
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{
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var tn = BuildTreeNode(child, q);
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if (tn != null) _tree.Nodes.Add(tn);
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}
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_tree.EndUpdate();
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}
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private TreeNode? BuildTreeNode(Node node, string filter)
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{
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bool selfMatch = filter.Length == 0
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|| node.DisplayName.ToLowerInvariant().Contains(filter)
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|| node.Detail.ToLowerInvariant().Contains(filter);
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if (node.IsFolder)
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{
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var childNodes = new List<TreeNode>();
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foreach (var c in node.Children)
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{
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var ctn = BuildTreeNode(c, filter);
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if (ctn != null) childNodes.Add(ctn);
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}
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if (!selfMatch && childNodes.Count == 0) return null;
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var tn = new TreeNode($"📁 {node.Name} ({CountConnections(node)})")
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{
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Tag = node,
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ForeColor = Theme.TextDim
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};
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tn.Nodes.AddRange(childNodes.ToArray());
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if (filter.Length > 0 || node.Expanded) tn.Expand();
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return tn;
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}
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if (!selfMatch) return null;
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string detail = node.Conn != null ? $" ({(node.IsSsh ? node.Conn.Ssh?.Host : node.Conn.Serial?.PortName)})" : "";
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return new TreeNode($"{(node.IsSsh ? "🖧" : "🔌")} {node.DisplayName}{detail}")
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{
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Tag = node,
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ToolTipText = node.Detail,
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ForeColor = node.IsSsh ? Theme.SshColor : Theme.SerialColor
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};
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}
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private static int CountConnections(Node folder)
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{
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int n = 0;
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foreach (var c in folder.Children)
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n += c.IsFolder ? CountConnections(c) : 1;
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return n;
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}
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// ── 操作：新增 / 改名 / 刪除 ──────────────────────────────
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private Node SelectedFolder()
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{
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if (_tree.SelectedNode?.Tag is Node n)
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return n.IsFolder ? n : (n.Parent ?? _root);
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return _root;
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}
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private void NewFolder(Node parent)
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{
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string? name = TextPromptDialog.Ask(this, "New Folder", "Folder name", "New Folder");
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if (name == null) return;
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var node = AddNode(parent, new Node { Kind = Kind.Folder, Name = name });
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parent.Expanded = true;
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Rebuild();
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SelectModelNode(node);
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}
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private void NewConnection(Node parent)
|
||
{
|
||
using var d = new ConnectionEditDialog("New Connection");
|
||
if (d.ShowDialog(this) != DialogResult.OK) return;
|
||
var conn = d.Result;
|
||
conn.GroupName = PathOf(parent);
|
||
conn.SortOrder = ++_sortSeq;
|
||
_store.Upsert(conn);
|
||
if (d.Password.Length > 0) CredentialVault.Set(conn.CredentialKey, d.Password);
|
||
var node = AddNode(parent, new Node { Kind = Kind.Connection, Conn = conn });
|
||
parent.Expanded = true;
|
||
Rebuild();
|
||
SelectModelNode(node);
|
||
}
|
||
|
||
private void RenameNode(Node node)
|
||
{
|
||
if (node.IsFolder)
|
||
{
|
||
string? name = TextPromptDialog.Ask(this, "Rename Folder", "Folder name", node.Name);
|
||
if (name == null) return;
|
||
node.Name = name;
|
||
PersistSubtreeGroups(node); // 子連線的 GroupName 路徑跟著變
|
||
}
|
||
else
|
||
{
|
||
using var d = new ConnectionEditDialog("Edit Connection", node.Conn);
|
||
if (d.ShowDialog(this) != DialogResult.OK) return;
|
||
node.Conn = d.Result; // 保留 Id / GroupName / SortOrder
|
||
_store.Upsert(node.Conn);
|
||
if (d.Password.Length > 0) CredentialVault.Set(node.Conn.CredentialKey, d.Password);
|
||
}
|
||
Rebuild();
|
||
SelectModelNode(node);
|
||
}
|
||
|
||
private void DeleteNode(Node node)
|
||
{
|
||
string what = node.IsFolder ? $"folder \"{node.Name}\" and its contents" : $"connection \"{node.DisplayName}\"";
|
||
if (MessageBox.Show($"Delete {what}?", "Delete", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning)
|
||
!= DialogResult.OK) return;
|
||
DeleteFromStore(node);
|
||
node.Parent?.Children.Remove(node);
|
||
Rebuild();
|
||
}
|
||
|
||
private void DeleteFromStore(Node node)
|
||
{
|
||
if (node.IsFolder)
|
||
{
|
||
foreach (var c in node.Children) DeleteFromStore(c);
|
||
}
|
||
else if (node.Conn is { } c)
|
||
{
|
||
_store.Delete(c.Id);
|
||
CredentialVault.Delete(c.CredentialKey);
|
||
}
|
||
}
|
||
|
||
/// <summary>把資料夾子樹下所有連線的 GroupName 重設為現在的路徑並存檔。</summary>
|
||
private void PersistSubtreeGroups(Node folder)
|
||
{
|
||
foreach (var c in folder.Children)
|
||
{
|
||
if (c.IsFolder) PersistSubtreeGroups(c);
|
||
else if (c.Conn is { } conn) { conn.GroupName = PathOf(folder); _store.Upsert(conn); }
|
||
}
|
||
}
|
||
|
||
private void QuickConnect()
|
||
{
|
||
using var d = new ConnectionEditDialog("Quick Connect");
|
||
if (d.ShowDialog(this) != DialogResult.OK) return;
|
||
ConnectionActivated?.Invoke(this, d.Result); // ad-hoc：不存入樹 / SQLite
|
||
}
|
||
|
||
private void OpenLocalShell()
|
||
{
|
||
var s = Infrastructure.AppSettings.Instance;
|
||
var conn = new Connection
|
||
{
|
||
Name = s.ShellType,
|
||
Type = ConnectionType.Shell,
|
||
Shell = new ShellSettings { ShellType = s.ShellType, StartupDirectory = s.ShellStartupDir }
|
||
};
|
||
ConnectionActivated?.Invoke(this, conn);
|
||
}
|
||
|
||
private void SetAllExpanded(bool expanded)
|
||
{
|
||
void Walk(Node n) { if (n.IsFolder) { n.Expanded = expanded; foreach (var c in n.Children) Walk(c); } }
|
||
foreach (var c in _root.Children) Walk(c);
|
||
Rebuild();
|
||
}
|
||
|
||
// ── 事件 ─────────────────────────────────────────────────
|
||
private void Activate(Node n)
|
||
{
|
||
if (n.Conn is { } c) ConnectionActivated?.Invoke(this, c);
|
||
}
|
||
|
||
private void OnNodeDoubleClick(object? sender, TreeNodeMouseClickEventArgs e)
|
||
{
|
||
if (e.Node?.Tag is Node { IsFolder: false } n) Activate(n);
|
||
}
|
||
|
||
private void OnTreeMouseDown(object? sender, MouseEventArgs e)
|
||
{
|
||
var node = _tree.GetNodeAt(e.Location);
|
||
if (node != null) _tree.SelectedNode = node;
|
||
if (e.Button == MouseButtons.Right)
|
||
ShowContextMenu(node?.Tag as Node, e.Location);
|
||
}
|
||
|
||
private void ShowContextMenu(Node? node, Point at)
|
||
{
|
||
var menu = new ContextMenuStrip { BackColor = Theme.SidebarBack, ForeColor = Theme.Text };
|
||
if (node is { IsFolder: false } conn)
|
||
{
|
||
menu.Items.Add("Open", null, (_, _) => Activate(conn));
|
||
menu.Items.Add(new ToolStripSeparator());
|
||
menu.Items.Add("Rename / Edit", null, (_, _) => RenameNode(conn));
|
||
menu.Items.Add("Delete", null, (_, _) => DeleteNode(conn));
|
||
}
|
||
else
|
||
{
|
||
var target = node ?? _root;
|
||
menu.Items.Add("New Folder", null, (_, _) => NewFolder(target));
|
||
menu.Items.Add("New Connection", null, (_, _) => NewConnection(target));
|
||
if (node != null)
|
||
{
|
||
menu.Items.Add(new ToolStripSeparator());
|
||
menu.Items.Add("Rename", null, (_, _) => RenameNode(node));
|
||
menu.Items.Add("Delete", null, (_, _) => DeleteNode(node));
|
||
}
|
||
}
|
||
menu.Show(_tree, at);
|
||
}
|
||
|
||
// ── 拖曳分類（更新 GroupName 並持久化）────────────────────
|
||
private void OnItemDrag(object? sender, ItemDragEventArgs e)
|
||
{
|
||
_dragNode = e.Item as TreeNode;
|
||
if (_dragNode != null) _tree.DoDragDrop(_dragNode, DragDropEffects.Move);
|
||
}
|
||
|
||
private void OnDragOver(object? sender, DragEventArgs e)
|
||
{
|
||
var pt = _tree.PointToClient(new Point(e.X, e.Y));
|
||
_tree.SelectedNode = _tree.GetNodeAt(pt);
|
||
e.Effect = DragDropEffects.Move;
|
||
}
|
||
|
||
private void OnDragDrop(object? sender, DragEventArgs e)
|
||
{
|
||
if (_dragNode?.Tag is not Node src) return;
|
||
var pt = _tree.PointToClient(new Point(e.X, e.Y));
|
||
var targetNode = _tree.GetNodeAt(pt)?.Tag as Node;
|
||
|
||
Node dest = targetNode == null ? _root
|
||
: targetNode.IsFolder ? targetNode
|
||
: (targetNode.Parent ?? _root);
|
||
|
||
if (src == dest || IsDescendant(src, dest)) return;
|
||
|
||
src.Parent?.Children.Remove(src);
|
||
src.Parent = dest;
|
||
dest.Children.Add(src);
|
||
dest.Expanded = true;
|
||
|
||
if (src.IsFolder) PersistSubtreeGroups(src);
|
||
else if (src.Conn is { } c) { c.GroupName = PathOf(dest); _store.Upsert(c); }
|
||
|
||
Rebuild();
|
||
SelectModelNode(src);
|
||
_dragNode = null;
|
||
}
|
||
|
||
private static bool IsDescendant(Node ancestor, Node maybe)
|
||
{
|
||
for (var p = maybe.Parent; p != null; p = p.Parent)
|
||
if (p == ancestor) return true;
|
||
return false;
|
||
}
|
||
|
||
// ── 小工具 ───────────────────────────────────────────────
|
||
private void SelectModelNode(Node target)
|
||
{
|
||
TreeNode? Find(TreeNodeCollection nodes)
|
||
{
|
||
foreach (TreeNode tn in nodes)
|
||
{
|
||
if (ReferenceEquals(tn.Tag, target)) return tn;
|
||
var r = Find(tn.Nodes);
|
||
if (r != null) return r;
|
||
}
|
||
return null;
|
||
}
|
||
var found = Find(_tree.Nodes);
|
||
if (found != null) _tree.SelectedNode = found;
|
||
}
|
||
|
||
private Button IconButton(string glyph, string tip, EventHandler onClick)
|
||
{
|
||
var b = new Button
|
||
{
|
||
Text = glyph,
|
||
Width = 34,
|
||
Height = 34,
|
||
FlatStyle = FlatStyle.Flat,
|
||
ForeColor = Theme.TextDim,
|
||
BackColor = Theme.SidebarBack,
|
||
Font = new Font("Segoe UI Symbol", 11f),
|
||
Cursor = Cursors.Hand
|
||
};
|
||
b.FlatAppearance.BorderSize = 0;
|
||
b.FlatAppearance.MouseOverBackColor = Theme.Hover;
|
||
b.Click += onClick;
|
||
new ToolTip().SetToolTip(b, tip);
|
||
return b;
|
||
}
|
||
}
|