Files
Terminal.Gui/Examples/UICatalog/Scenarios/DynamicMenuBar.cs
Tig 3e2eebfd2c Fixes #4057 - MASSIVE! Fully implements ColorScheme->Scheme + VisualRole + Colors.->SchemeManager. (#4062)
* touching publish.yml

* ColorScheme->Scheme

* ColorScheme->Scheme 2

* Prototype of GetAttributeForRole

* Badly broke CM

* Further Badly broke CM

* Refactored CM big-time. View still broken

* All unit test pass again. Tons added. CM is still WIP, but Schemes is not mostly refactored and working.

* Actually:
All unit test pass again.
Tons added.
CM is still WIP, but Schemes is not mostly refactored and working.

* Bug fixes.
DeepMemberWiseClone cleanup

* Further cleanup of Scope<T>, ConfigProperty, etc.

* Made ConfigManager thread safe.

* WIP: Broken

* WIP: new deep clone impl

* WIP: new deep clone impl is done. Now fixing CM

* WIP:
- config.md
- Working on AOT clean up
- Core CM is broken; but known.

* WIP

* Merged.
Removed CM from Application.Init

* WIP

* More WIP; Less broke

* All CM unit tests pass... Not sure if it actually works though

* All unit tests pass... Themes are broken though in UI Cat

* CM Ready for review?

* Fixed failures due to TextStyles PR

* Working on Scheme/Attribute

* Working on Scheme/Attribute 2

* Working on Scheme/Attribute 3

* Working on Scheme/Attribute 4

* Working on Scheme/Attribute 5

* Working on Scheme/Attribute 6

* Added test to show how awful memory usage is

* Improved schema. Updated config.json

* Nade Scope<T> concurrentdictionary and added test to prove

* Made Themes ConcrurrentDictionary. Added bunches of tests

* Code cleanup

* Code cleanup 2

* Code cleanup 3

* Tweaking Scheme

* ClearJsonErrors

* ClearJsonErrors2

* Updated Attribute API

* It all (mostly) works!

* Skip odd unit test

* Messed with Themes

* Theme tweaks

* Code reorg. New .md stuff

* Fixed Enabled. Added mock driver

* Fixed a bunch of View.Enabled related issues

* Scheme -> Get/SetScheme()

* Cleanup

* Cleanup2

* Broke something

* Fixed everything

* Made CM.Enable better

* Text Style Scenario

* Added comments

* Fixed UI Catalog Theme Changing

* Fixed more dynamic CM update stuff

* Warning cleanup

* New Default Theme

* fixed unit test

* Refactoring Scheme and Attribute to fix inheritance

* more unit tests

* ConfigProperty is not updating schemes correctly

* All unit tests pass.
Code cleanup

* All unit tests pass.
Code cleanup2

* Fixed unit tests

* Upgraded TextField and TextView

* Fixed TextView !Enabled bug

* More updates to TextView. More unit tests for SchemeManager

* Upgraded CharMap

* API docs

* Fixe HexView API

* upgrade HexView

* Fixed shortcut KeyView

* Fixed more bugs. Added new themes

* updated themes

* upgraded Border

* Fixed themes memory usage...mostly

* Fixed themes memory usage...mostly2

* Fixed themes memory usage...2

* Fixed themes memory usage...3

* Added new colors

* Fixed GetHardCodedConfig bug

* Added Themes Scenario - WIP

* Added Themes Scenario

* Tweaked Themes Scenario

* Code cleanup

* Fixed json schmea

* updated deepdives

* updated deepdives

* Tweaked Themes Scenario

* Made Schemes a concurrent dict

* Test cleanup

* Thread safe ConfigProperty tests

* trying to make things more thread safe

* more trying to make things more thread safe

* Fixing bugs in shadowview

* Fixing bugs in shadowview 2

* Refactored GetViewsUnderMouse to GetViewsUnderLocation etc...

* Fixed dupe unit tests?

* Added better description of layout and coordiantes to deep dive

* Added better description of layout and coordiantes to deep dive

* Modified tests that call v2.AddTimeout; they were returning true which means restart the timer!
This was causing mac/linux unit test failures.
I think

* Fixed auto scheme.
Broke TextView/TextField selection

* Realized Attribute.IsExplicitlySet is stupid; just use nullable

* Fixed Attribute. Simplified. MOre theme testing

* Updated themes again

* GetViewsUnderMouse to GetViewsUnderLocation broke TransparentMouse.

* Fixing mouseunder bugs

* rewriting...

* All working again.
Shadows are now slick as snot.
GetViewsUnderLocation is rewritten to actually work and be readable.
Tons more low-level unit tests.
Margin is now actually ViewportSettings.Transparent.

* Code cleanup

* Code cleanup

* Code cleanup of color apis

* Fixed Hover/Highlight

* Update Examples/UICatalog/Scenarios/AllViewsTester.cs

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update Examples/UICatalog/Scenarios/CharacterMap/CharacterMap.cs

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update Examples/UICatalog/Scenarios/Clipping.cs

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Fixed race condition?

* reverted

* Simplified Attribute API by removing events from SetAttributeForRole

* Removed recursion from GetViewsAtLocation

* Removed unneeded code

* Code clean up.
Fixed Scheme bug.

* reverted temporary disable

* Adjusted scheme algo

* Upgraded TextValidateField

* Fixed TextValidate bugs

* Tweaks

* Frameview rounded border by default

* API doc cleanup

* Readme fix

* Addressed tznind feeback

* Fixed more unit test issues by protecting Application statics from being set if Application.Initialized is not true

* Fixed more unit test issues by protecting Application statics from being set if Application.Initialized is not true 2

* cleanup

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
2025-05-29 14:08:48 -06:00

1415 lines
59 KiB
C#

using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Text;
using Terminal.Gui;
#pragma warning disable CS0618 // Type or member is obsolete
namespace UICatalog.Scenarios;
[ScenarioMetadata ("Dynamic MenuBar", "Demonstrates how to change a MenuBar dynamically.")]
[ScenarioCategory ("Arrangement")]
[ScenarioCategory ("Menus")]
public class DynamicMenuBar : Scenario
{
public override void Main ()
{
// Init
Application.Init ();
// Setup - Create a top-level application window and configure it.
DynamicMenuBarSample appWindow = new ()
{
Title = GetQuitKeyAndName ()
};
// Run - Start the application.
Application.Run (appWindow);
appWindow.Dispose ();
// Shutdown - Calling Application.Shutdown is required.
Application.Shutdown ();
}
public class Binding
{
private readonly PropertyInfo _sourceBindingProperty;
private readonly object _sourceDataContext;
private readonly IValueConverter _valueConverter;
public Binding (
View source,
string sourcePropertyName,
View target,
string targetPropertyName,
IValueConverter valueConverter = null
)
{
Target = target;
Source = source;
SourcePropertyName = sourcePropertyName;
TargetPropertyName = targetPropertyName;
_sourceDataContext = Source.GetType ().GetProperty ("DataContext").GetValue (Source);
_sourceBindingProperty = _sourceDataContext.GetType ().GetProperty (SourcePropertyName);
_valueConverter = valueConverter;
UpdateTarget ();
var notifier = (INotifyPropertyChanged)_sourceDataContext;
if (notifier != null)
{
notifier.PropertyChanged += (s, e) =>
{
if (e.PropertyName == SourcePropertyName)
{
UpdateTarget ();
}
};
}
}
public View Source { get; }
public string SourcePropertyName { get; }
public View Target { get; }
public string TargetPropertyName { get; }
private void UpdateTarget ()
{
try
{
object sourceValue = _sourceBindingProperty.GetValue (_sourceDataContext);
if (sourceValue == null)
{
return;
}
object finalValue = _valueConverter?.Convert (sourceValue) ?? sourceValue;
PropertyInfo targetProperty = Target.GetType ().GetProperty (TargetPropertyName);
targetProperty.SetValue (Target, finalValue);
}
catch (Exception ex)
{
MessageBox.ErrorQuery ("Binding Error", $"Binding failed: {ex}.", "Ok");
}
}
}
public class DynamicMenuBarDetails : FrameView
{
private bool _hasParent;
private MenuItem _menuItem;
public DynamicMenuBarDetails (MenuItem menuItem = null, bool hasParent = false) : this ()
{
_menuItem = menuItem;
_hasParent = hasParent;
Title = menuItem == null ? "Adding New Menu." : "Editing Menu.";
}
public DynamicMenuBarDetails ()
{
var lblTitle = new Label { Y = 1, Text = "Title:" };
Add (lblTitle);
TextTitle = new () { X = Pos.Right (lblTitle) + 2, Y = Pos.Top (lblTitle), Width = Dim.Fill () };
Add (TextTitle);
var lblHelp = new Label { X = Pos.Left (lblTitle), Y = Pos.Bottom (lblTitle) + 1, Text = "Help:" };
Add (lblHelp);
TextHelp = new () { X = Pos.Left (TextTitle), Y = Pos.Top (lblHelp), Width = Dim.Fill () };
Add (TextHelp);
var lblAction = new Label { X = Pos.Left (lblTitle), Y = Pos.Bottom (lblHelp) + 1, Text = "Action:" };
Add (lblAction);
TextAction = new ()
{
X = Pos.Left (TextTitle), Y = Pos.Top (lblAction), Width = Dim.Fill (), Height = 5
};
Add (TextAction);
var lblHotKey = new Label { X = Pos.Left (lblTitle), Y = Pos.Bottom (lblAction) + 5, Text = "HotKey:" };
Add (lblHotKey);
TextHotKey = new ()
{
X = Pos.Left (TextTitle), Y = Pos.Bottom (lblAction) + 5, Width = 2, ReadOnly = true
};
TextHotKey.TextChanging += (s, e) =>
{
if (!string.IsNullOrEmpty (e.NewValue) && char.IsLower (e.NewValue [0]))
{
e.NewValue = e.NewValue.ToUpper ();
}
};
TextHotKey.TextChanged += (s, _) => TextHotKey.SelectAll ();
TextHotKey.SelectAll ();
Add (TextHotKey);
CkbIsTopLevel = new ()
{
X = Pos.Left (lblTitle), Y = Pos.Bottom (lblHotKey) + 1, Text = "IsTopLevel"
};
Add (CkbIsTopLevel);
CkbSubMenu = new ()
{
X = Pos.Left (lblTitle),
Y = Pos.Bottom (CkbIsTopLevel),
CheckedState = (_menuItem == null ? !_hasParent : HasSubMenus (_menuItem)) ? CheckState.Checked : CheckState.UnChecked,
Text = "Has sub-menus"
};
Add (CkbSubMenu);
CkbNullCheck = new ()
{
X = Pos.Left (lblTitle), Y = Pos.Bottom (CkbSubMenu), Text = "Allow null checked"
};
Add (CkbNullCheck);
var rChkLabels = new [] { "NoCheck", "Checked", "Radio" };
RbChkStyle = new ()
{
X = Pos.Left (lblTitle), Y = Pos.Bottom (CkbSubMenu) + 1, RadioLabels = rChkLabels
};
Add (RbChkStyle);
var lblShortcut = new Label
{
X = Pos.Right (CkbSubMenu) + 10, Y = Pos.Top (CkbSubMenu), Text = "Shortcut:"
};
Add (lblShortcut);
TextShortcutKey = new ()
{
X = Pos.X (lblShortcut), Y = Pos.Bottom (lblShortcut), Width = Dim.Fill (), ReadOnly = true
};
TextShortcutKey.KeyDown += (s, e) =>
{
TextShortcutKey.Text = e.ToString ();
};
Add (TextShortcutKey);
var btnShortcut = new Button
{
X = Pos.X (lblShortcut), Y = Pos.Bottom (TextShortcutKey) + 1, Text = "Clear Shortcut"
};
btnShortcut.Accepting += (s, e) => { TextShortcutKey.Text = ""; };
Add (btnShortcut);
CkbIsTopLevel.CheckedStateChanging += (s, e) =>
{
if ((_menuItem != null && _menuItem.Parent != null && e.NewValue == CheckState.Checked)
|| (_menuItem == null && _hasParent && e.NewValue == CheckState.Checked))
{
MessageBox.ErrorQuery (
"Invalid IsTopLevel",
"Only menu bar can have top level menu item!",
"Ok"
);
e.Cancel = true;
return;
}
if (e.NewValue == CheckState.Checked)
{
CkbSubMenu.CheckedState = CheckState.UnChecked;
CkbSubMenu.SetNeedsDraw ();
TextHelp.Enabled = true;
TextAction.Enabled = true;
TextShortcutKey.Enabled = true;
}
else
{
if ((_menuItem == null && !_hasParent) || _menuItem.Parent == null)
{
CkbSubMenu.CheckedState = CheckState.Checked;
CkbSubMenu.SetNeedsDraw ();
TextShortcutKey.Enabled = false;
}
TextHelp.Text = "";
TextHelp.Enabled = false;
TextAction.Text = "";
TextShortcutKey.Enabled =
e.NewValue == CheckState.Checked && CkbSubMenu.CheckedState == CheckState.UnChecked;
}
};
CkbSubMenu.CheckedStateChanged += (s, e) =>
{
if (e.CurrentValue == CheckState.Checked)
{
CkbIsTopLevel.CheckedState = CheckState.UnChecked;
CkbIsTopLevel.SetNeedsDraw ();
TextHelp.Text = "";
TextHelp.Enabled = false;
TextAction.Text = "";
TextAction.Enabled = false;
TextShortcutKey.Text = "";
TextShortcutKey.Enabled = false;
}
else
{
if (!_hasParent)
{
CkbIsTopLevel.CheckedState = CheckState.Checked;
CkbIsTopLevel.SetNeedsDraw ();
TextShortcutKey.Enabled = true;
}
TextHelp.Enabled = true;
TextAction.Enabled = true;
if (_hasParent)
{
TextShortcutKey.Enabled = CkbIsTopLevel.CheckedState == CheckState.UnChecked
&& e.CurrentValue == CheckState.UnChecked;
}
}
};
CkbNullCheck.CheckedStateChanged += (s, e) =>
{
if (_menuItem != null)
{
_menuItem.AllowNullChecked = e.CurrentValue == CheckState.Checked;
}
};
//Add (_frmMenuDetails);
}
public CheckBox CkbIsTopLevel { get; }
public CheckBox CkbNullCheck { get; }
public CheckBox CkbSubMenu { get; }
public RadioGroup RbChkStyle { get; }
public TextView TextAction { get; }
public TextField TextHelp { get; }
public TextField TextHotKey { get; }
public TextField TextShortcutKey { get; }
public TextField TextTitle { get; }
public Action CreateAction (MenuItem menuItem, DynamicMenuItem item)
{
switch (menuItem.CheckType)
{
case MenuItemCheckStyle.NoCheck:
return () => MessageBox.ErrorQuery (item.Title, item.Action, "Ok");
case MenuItemCheckStyle.Checked:
return menuItem.ToggleChecked;
case MenuItemCheckStyle.Radio:
break;
}
return () =>
{
menuItem.Checked = true;
var parent = menuItem?.Parent as MenuBarItem;
if (parent != null)
{
MenuItem [] childrens = parent.Children;
for (var i = 0; i < childrens.Length; i++)
{
MenuItem child = childrens [i];
if (child != menuItem)
{
child.Checked = false;
}
}
}
};
}
public void EditMenuBarItem (MenuItem menuItem)
{
if (menuItem == null)
{
_hasParent = false;
Enabled = false;
CleanEditMenuBarItem ();
return;
}
_hasParent = menuItem.Parent != null;
Enabled = true;
_menuItem = menuItem;
TextTitle.Text = menuItem?.Title ?? "";
TextHelp.Text = menuItem?.Help ?? "";
TextAction.Text = menuItem.Action != null
? GetTargetAction (menuItem.Action)
: string.Empty;
TextHotKey.Text = menuItem?.HotKey != Key.Empty ? menuItem.HotKey.ToString () : "";
CkbIsTopLevel.CheckedState = IsTopLevel (menuItem) ? CheckState.Checked : CheckState.UnChecked;
CkbSubMenu.CheckedState = HasSubMenus (menuItem) ? CheckState.Checked : CheckState.UnChecked;
CkbNullCheck.CheckedState = menuItem.AllowNullChecked ? CheckState.Checked : CheckState.UnChecked;
TextHelp.Enabled = CkbSubMenu.CheckedState == CheckState.UnChecked;
TextAction.Enabled = CkbSubMenu.CheckedState == CheckState.UnChecked;
RbChkStyle.SelectedItem = (int)(menuItem?.CheckType ?? MenuItemCheckStyle.NoCheck);
TextShortcutKey.Text = menuItem?.ShortcutTag ?? "";
TextShortcutKey.Enabled = CkbIsTopLevel.CheckedState == CheckState.Checked && CkbSubMenu.CheckedState == CheckState.UnChecked
|| CkbIsTopLevel.CheckedState == CheckState.UnChecked && CkbSubMenu.CheckedState == CheckState.UnChecked;
}
public DynamicMenuItem EnterMenuItem ()
{
var valid = false;
if (_menuItem == null)
{
var m = new DynamicMenuItem ();
TextTitle.Text = m.Title;
TextHelp.Text = m.Help;
TextAction.Text = m.Action;
TextHotKey.Text = m.HotKey ?? string.Empty;
CkbIsTopLevel.CheckedState = CheckState.UnChecked;
CkbSubMenu.CheckedState = !_hasParent ? CheckState.Checked : CheckState.UnChecked;
CkbNullCheck.CheckedState = CheckState.UnChecked;
TextHelp.Enabled = _hasParent;
TextAction.Enabled = _hasParent;
TextShortcutKey.Enabled = _hasParent;
}
else
{
EditMenuBarItem (_menuItem);
}
var btnOk = new Button { IsDefault = true, Text = "Ok" };
btnOk.Accepting += (s, e) =>
{
if (string.IsNullOrEmpty (TextTitle.Text))
{
MessageBox.ErrorQuery ("Invalid title", "Must enter a valid title!.", "Ok");
}
else
{
valid = true;
Application.RequestStop ();
}
};
var btnCancel = new Button { Text = "Cancel" };
btnCancel.Accepting += (s, e) =>
{
TextTitle.Text = string.Empty;
Application.RequestStop ();
};
var dialog = new Dialog
{ Title = "Enter the menu details.", Buttons = [btnOk, btnCancel], Height = Dim.Auto (DimAutoStyle.Content, 23, Application.Screen.Height) };
Width = Dim.Fill ();
Height = Dim.Fill () - 2;
dialog.Add (this);
TextTitle.SetFocus ();
TextTitle.CursorPosition = TextTitle.Text.Length;
Application.Run (dialog);
dialog.Dispose ();
if (valid)
{
return new ()
{
Title = TextTitle.Text,
Help = TextHelp.Text,
Action = TextAction.Text,
HotKey = TextHotKey.Text,
IsTopLevel = CkbIsTopLevel?.CheckedState == CheckState.Checked,
HasSubMenu = CkbSubMenu?.CheckedState == CheckState.Checked,
CheckStyle = RbChkStyle.SelectedItem == 0 ? MenuItemCheckStyle.NoCheck :
RbChkStyle.SelectedItem == 1 ? MenuItemCheckStyle.Checked :
MenuItemCheckStyle.Radio,
ShortcutKey = TextShortcutKey.Text,
AllowNullChecked = CkbNullCheck?.CheckedState == CheckState.Checked,
};
}
return null;
}
public void UpdateParent (ref MenuItem menuItem)
{
var parent = menuItem.Parent as MenuBarItem;
int idx = parent.GetChildrenIndex (menuItem);
if (!(menuItem is MenuBarItem))
{
menuItem = new MenuBarItem (menuItem.Title, new MenuItem [] { }, menuItem.Parent);
if (idx > -1)
{
parent.Children [idx] = menuItem;
}
}
else
{
menuItem = new (
menuItem.Title,
menuItem.Help,
CreateAction (menuItem, new ()),
null,
menuItem.Parent
);
if (idx > -1)
{
parent.Children [idx] = menuItem;
}
}
}
private void CleanEditMenuBarItem ()
{
TextTitle.Text = "";
TextHelp.Text = "";
TextAction.Text = "";
TextHotKey.Text = "";
CkbIsTopLevel.CheckedState = CheckState.UnChecked;
CkbSubMenu.CheckedState = CheckState.UnChecked;
RbChkStyle.SelectedItem = (int)MenuItemCheckStyle.NoCheck;
TextShortcutKey.Text = "";
}
private string GetTargetAction (Action action)
{
object me = action.Target;
if (me == null)
{
throw new ArgumentException ();
}
var v = new object ();
foreach (FieldInfo field in me.GetType ().GetFields ())
{
if (field.Name == "item")
{
v = field.GetValue (me);
}
}
return v == null || !(v is DynamicMenuItem item) ? string.Empty : item.Action;
}
private bool HasSubMenus (MenuItem menuItem)
{
var menuBarItem = menuItem as MenuBarItem;
if (menuBarItem != null && menuBarItem.Children != null && (menuBarItem.Children.Length > 0 || menuBarItem.Action == null))
{
return true;
}
return false;
}
private bool IsTopLevel (MenuItem menuItem)
{
var topLevel = menuItem as MenuBarItem;
if (topLevel != null && topLevel.Parent == null && (topLevel.Children == null || topLevel.Children.Length == 0) && topLevel.Action != null)
{
return true;
}
return false;
}
}
public class DynamicMenuBarSample : Window
{
private readonly ListView _lstMenus;
private MenuItem _currentEditMenuBarItem;
private MenuItem _currentMenuBarItem;
private int _currentSelectedMenuBar;
private MenuBar _menuBar;
public DynamicMenuBarSample ()
{
DataContext = new ();
var frmDelimiter = new FrameView
{
X = Pos.Center (),
Y = 3,
Width = 25,
Height = 4,
Title = "Shortcut Delimiter:"
};
var txtDelimiter = new TextField
{
X = Pos.Center (), Width = 2, Text = Key.Separator.ToString ()
};
var frmMenu = new FrameView { Y = 7, Width = Dim.Percent (50), Height = Dim.Fill (), Title = "Menus:" };
var btnAddMenuBar = new Button { Y = 1, Text = "Add a MenuBar" };
frmMenu.Add (btnAddMenuBar);
var btnMenuBarUp = new Button { X = Pos.Center (), Text = Glyphs.UpArrow.ToString () };
frmMenu.Add (btnMenuBarUp);
var btnMenuBarDown = new Button { X = Pos.Center (), Y = Pos.Bottom (btnMenuBarUp), Text = Glyphs.DownArrow.ToString () };
frmMenu.Add (btnMenuBarDown);
var btnRemoveMenuBar = new Button { Y = 1, Text = "Remove a MenuBar" };
btnRemoveMenuBar.X = Pos.AnchorEnd (0) - (Pos.Right (btnRemoveMenuBar) - Pos.Left (btnRemoveMenuBar));
frmMenu.Add (btnRemoveMenuBar);
var btnPrevious = new Button
{
X = Pos.Left (btnAddMenuBar), Y = Pos.Top (btnAddMenuBar) + 2, Text = Glyphs.LeftArrow.ToString ()
};
frmMenu.Add (btnPrevious);
var btnAdd = new Button { Y = Pos.Top (btnPrevious) + 2, Text = " Add " };
btnAdd.X = Pos.AnchorEnd ();
frmMenu.Add (btnAdd);
var btnNext = new Button { X = Pos.X (btnAdd), Y = Pos.Top (btnPrevious), Text = Glyphs.RightArrow.ToString () };
frmMenu.Add (btnNext);
var lblMenuBar = new Label
{
SchemeName = "Dialog",
TextAlignment = Alignment.Center,
X = Pos.Right (btnPrevious) + 1,
Y = Pos.Top (btnPrevious),
Width = Dim.Fill () - Dim.Func (() => btnAdd.Frame.Width + 1),
Height = 1
};
lblMenuBar.TextChanged += (s, e) =>
{
if (lblMenuBar.Text.Contains ("_"))
{
lblMenuBar.Text = lblMenuBar.Text.Replace ("_", "");
}
};
frmMenu.Add (lblMenuBar);
lblMenuBar.WantMousePositionReports = true;
lblMenuBar.CanFocus = true;
var lblParent = new Label
{
TextAlignment = Alignment.Center,
X = Pos.Right (btnPrevious) + 1,
Y = Pos.Top (btnPrevious) + 1,
Width = Dim.Fill () - Dim.Width (btnAdd) - 1
};
frmMenu.Add (lblParent);
var btnPreviowsParent = new Button
{
X = Pos.Left (btnAddMenuBar), Y = Pos.Top (btnPrevious) + 1, Text = ".."
};
frmMenu.Add (btnPreviowsParent);
_lstMenus = new ()
{
SchemeName = "Dialog",
X = Pos.Right (btnPrevious) + 1,
Y = Pos.Top (btnPrevious) + 2,
Width = lblMenuBar.Width,
Height = Dim.Fill (),
Source = new ListWrapper<DynamicMenuItemList> ([])
};
frmMenu.Add (_lstMenus);
//lblMenuBar.TabIndex = btnPrevious.TabIndex + 1;
//_lstMenus.TabIndex = lblMenuBar.TabIndex + 1;
//btnNext.TabIndex = _lstMenus.TabIndex + 1;
//btnAdd.TabIndex = btnNext.TabIndex + 1;
var btnRemove = new Button { X = Pos.Left (btnAdd), Y = Pos.Top (btnAdd) + 1, Text = "Remove" };
frmMenu.Add (btnRemove);
var btnUp = new Button { X = Pos.Right (_lstMenus) + 2, Y = Pos.Top (btnRemove) + 2, Text = Glyphs.UpArrow.ToString () };
frmMenu.Add (btnUp);
var btnDown = new Button { X = Pos.Right (_lstMenus) + 2, Y = Pos.Top (btnUp) + 1, Text = Glyphs.DownArrow.ToString () };
frmMenu.Add (btnDown);
Add (frmMenu);
var frmMenuDetails = new DynamicMenuBarDetails
{
X = Pos.Right (frmMenu),
Y = Pos.Top (frmMenu),
Width = Dim.Fill (),
Height = Dim.Fill (2),
Title = "Menu Details:"
};
Add (frmMenuDetails);
btnMenuBarUp.Accepting += (s, e) =>
{
int i = _currentSelectedMenuBar;
MenuBarItem menuItem = _menuBar != null && _menuBar.Menus.Length > 0
? _menuBar.Menus [i]
: null;
if (menuItem != null)
{
MenuBarItem [] menus = _menuBar.Menus;
if (i > 0)
{
menus [i] = menus [i - 1];
menus [i - 1] = menuItem;
_currentSelectedMenuBar = i - 1;
_menuBar.SetNeedsDraw ();
}
}
};
btnMenuBarDown.Accepting += (s, e) =>
{
int i = _currentSelectedMenuBar;
MenuBarItem menuItem = _menuBar != null && _menuBar.Menus.Length > 0
? _menuBar.Menus [i]
: null;
if (menuItem != null)
{
MenuBarItem [] menus = _menuBar.Menus;
if (i < menus.Length - 1)
{
menus [i] = menus [i + 1];
menus [i + 1] = menuItem;
_currentSelectedMenuBar = i + 1;
_menuBar.SetNeedsDraw ();
}
}
};
btnUp.Accepting += (s, e) =>
{
int i = _lstMenus.SelectedItem;
MenuItem menuItem = DataContext.Menus.Count > 0 ? DataContext.Menus [i].MenuItem : null;
if (menuItem != null)
{
MenuItem [] childrens = ((MenuBarItem)_currentMenuBarItem).Children;
if (i > 0)
{
childrens [i] = childrens [i - 1];
childrens [i - 1] = menuItem;
DataContext.Menus [i] = DataContext.Menus [i - 1];
DataContext.Menus [i - 1] =
new () { Title = menuItem.Title, MenuItem = menuItem };
_lstMenus.SelectedItem = i - 1;
}
}
};
btnDown.Accepting += (s, e) =>
{
int i = _lstMenus.SelectedItem;
MenuItem menuItem = DataContext.Menus.Count > 0 ? DataContext.Menus [i].MenuItem : null;
if (menuItem != null)
{
MenuItem [] childrens = ((MenuBarItem)_currentMenuBarItem).Children;
if (i < childrens.Length - 1)
{
childrens [i] = childrens [i + 1];
childrens [i + 1] = menuItem;
DataContext.Menus [i] = DataContext.Menus [i + 1];
DataContext.Menus [i + 1] =
new () { Title = menuItem.Title, MenuItem = menuItem };
_lstMenus.SelectedItem = i + 1;
}
}
};
btnPreviowsParent.Accepting += (s, e) =>
{
if (_currentMenuBarItem != null && _currentMenuBarItem.Parent != null)
{
MenuItem mi = _currentMenuBarItem;
_currentMenuBarItem = _currentMenuBarItem.Parent as MenuBarItem;
SetListViewSource (_currentMenuBarItem, true);
int i = ((MenuBarItem)_currentMenuBarItem).GetChildrenIndex (mi);
if (i > -1)
{
_lstMenus.SelectedItem = i;
}
if (_currentMenuBarItem.Parent != null)
{
DataContext.Parent = _currentMenuBarItem.Title;
}
else
{
DataContext.Parent = string.Empty;
}
}
else
{
DataContext.Parent = string.Empty;
}
};
var btnOk = new Button { X = Pos.Right (frmMenu) + 20, Y = Pos.Bottom (frmMenuDetails), Text = "Ok" };
Add (btnOk);
var btnCancel = new Button { X = Pos.Right (btnOk) + 3, Y = Pos.Top (btnOk), Text = "Cancel" };
btnCancel.Accepting += (s, e) => { SetFrameDetails (_currentEditMenuBarItem); };
Add (btnCancel);
txtDelimiter.TextChanging += (s, e) =>
{
if (!string.IsNullOrEmpty (e.NewValue))
{
Key.Separator = e.NewValue.ToRunes () [0];
}
else
{
e.Cancel = true;
txtDelimiter.SelectAll ();
}
};
txtDelimiter.TextChanged += (s, _) =>
{
txtDelimiter.SelectAll ();
SetFrameDetails ();
};
frmDelimiter.Add (txtDelimiter);
txtDelimiter.SelectAll ();
Add (frmDelimiter);
_lstMenus.SelectedItemChanged += (s, e) => { SetFrameDetails (); };
btnOk.Accepting += (s, e) =>
{
if (string.IsNullOrEmpty (frmMenuDetails.TextTitle.Text) && _currentEditMenuBarItem != null)
{
MessageBox.ErrorQuery ("Invalid title", "Must enter a valid title!.", "Ok");
}
else if (_currentEditMenuBarItem != null)
{
var menuItem = new DynamicMenuItem
{
Title = frmMenuDetails.TextTitle.Text,
Help = frmMenuDetails.TextHelp.Text,
Action = frmMenuDetails.TextAction.Text,
HotKey = frmMenuDetails.TextHotKey.Text,
IsTopLevel = frmMenuDetails.CkbIsTopLevel?.CheckedState == CheckState.Checked,
HasSubMenu = frmMenuDetails.CkbSubMenu?.CheckedState == CheckState.Checked,
CheckStyle = frmMenuDetails.RbChkStyle.SelectedItem == 0
? MenuItemCheckStyle.NoCheck
: frmMenuDetails.RbChkStyle.SelectedItem == 1
? MenuItemCheckStyle.Checked
: MenuItemCheckStyle.Radio,
ShortcutKey = frmMenuDetails.TextShortcutKey.Text
};
UpdateMenuItem (_currentEditMenuBarItem, menuItem, _lstMenus.SelectedItem);
}
};
btnAdd.Accepting += (s, e) =>
{
if (MenuBar == null)
{
MessageBox.ErrorQuery ("Menu Bar Error", "Must add a MenuBar first!", "Ok");
btnAddMenuBar.SetFocus ();
return;
}
var frameDetails = new DynamicMenuBarDetails (null, _currentMenuBarItem != null);
DynamicMenuItem item = frameDetails.EnterMenuItem ();
if (item == null)
{
return;
}
if (_currentMenuBarItem is not MenuBarItem)
{
var parent = _currentMenuBarItem.Parent as MenuBarItem;
int idx = parent.GetChildrenIndex (_currentMenuBarItem);
_currentMenuBarItem = new MenuBarItem (
_currentMenuBarItem.Title,
new MenuItem [] { },
_currentMenuBarItem.Parent
);
_currentMenuBarItem.CheckType = item.CheckStyle;
parent.Children [idx] = _currentMenuBarItem;
}
else
{
MenuItem newMenu = CreateNewMenu (item, _currentMenuBarItem);
var menuBarItem = _currentMenuBarItem as MenuBarItem;
menuBarItem.AddMenuBarItem (MenuBar, newMenu);
DataContext.Menus.Add (new () { Title = newMenu.Title, MenuItem = newMenu });
_lstMenus.MoveDown ();
}
};
btnRemove.Accepting += (s, e) =>
{
MenuItem menuItem = (DataContext.Menus.Count > 0 && _lstMenus.SelectedItem > -1
? DataContext.Menus [_lstMenus.SelectedItem].MenuItem
: _currentEditMenuBarItem);
if (menuItem != null)
{
menuItem.RemoveMenuItem ();
if (_currentEditMenuBarItem == menuItem)
{
_currentEditMenuBarItem = null;
if (menuItem.Parent is null)
{
_currentSelectedMenuBar = Math.Max (Math.Min (_currentSelectedMenuBar, _menuBar.Menus.Length - 1), 0);
}
SelectCurrentMenuBarItem ();
}
if (_lstMenus.SelectedItem > -1)
{
DataContext.Menus?.RemoveAt (_lstMenus.SelectedItem);
}
if (_lstMenus.Source.Count > 0 && _lstMenus.SelectedItem > _lstMenus.Source.Count - 1)
{
_lstMenus.SelectedItem = _lstMenus.Source.Count - 1;
}
if (_menuBar.Menus.Length == 0)
{
RemoveMenuBar ();
}
_lstMenus.SetNeedsDraw ();
SetFrameDetails ();
}
};
_lstMenus.OpenSelectedItem += (s, e) =>
{
_currentMenuBarItem = DataContext.Menus [e.Item].MenuItem;
if (!(_currentMenuBarItem is MenuBarItem))
{
MessageBox.ErrorQuery ("Menu Open Error", "Must allows sub menus first!", "Ok");
return;
}
DataContext.Parent = _currentMenuBarItem.Title;
DataContext.Menus = new ();
SetListViewSource (_currentMenuBarItem, true);
MenuItem menuBarItem = DataContext.Menus.Count > 0 ? DataContext.Menus [0].MenuItem : null;
SetFrameDetails (menuBarItem);
};
_lstMenus.HasFocusChanging += (s, e) =>
{
MenuItem menuBarItem = _lstMenus.SelectedItem > -1 && DataContext.Menus.Count > 0
? DataContext.Menus [_lstMenus.SelectedItem].MenuItem
: null;
SetFrameDetails (menuBarItem);
};
btnNext.Accepting += (s, e) =>
{
if (_menuBar != null && _currentSelectedMenuBar + 1 < _menuBar.Menus.Length)
{
_currentSelectedMenuBar++;
}
SelectCurrentMenuBarItem ();
};
btnPrevious.Accepting += (s, e) =>
{
if (_currentSelectedMenuBar - 1 > -1)
{
_currentSelectedMenuBar--;
}
SelectCurrentMenuBarItem ();
};
lblMenuBar.HasFocusChanging += (s, e) =>
{
if (_menuBar?.Menus != null)
{
_currentMenuBarItem = _menuBar.Menus [_currentSelectedMenuBar];
SetFrameDetails (_menuBar.Menus [_currentSelectedMenuBar]);
}
};
btnAddMenuBar.Accepting += (s, e) =>
{
var frameDetails = new DynamicMenuBarDetails (null);
DynamicMenuItem item = frameDetails.EnterMenuItem ();
if (item == null)
{
return;
}
if (MenuBar == null)
{
_menuBar = new ();
Add (_menuBar);
}
var newMenu = CreateNewMenu (item) as MenuBarItem;
newMenu.AddMenuBarItem (MenuBar);
_currentMenuBarItem = newMenu;
_currentMenuBarItem.CheckType = item.CheckStyle;
if (Key.TryParse (item.ShortcutKey, out Key key))
{
_currentMenuBarItem.ShortcutKey = key;
}
_currentSelectedMenuBar = _menuBar.Menus.Length - 1;
_menuBar.Menus [_currentSelectedMenuBar] = newMenu;
lblMenuBar.Text = newMenu.Title;
SetListViewSource (_currentMenuBarItem, true);
SetFrameDetails (_menuBar.Menus [_currentSelectedMenuBar]);
_menuBar.SetNeedsDraw ();
};
btnRemoveMenuBar.Accepting += (s, e) =>
{
if (_menuBar == null)
{
return;
}
if (_menuBar != null && _menuBar.Menus.Length > 0)
{
_currentMenuBarItem.RemoveMenuItem ();
if (_currentSelectedMenuBar - 1 >= 0 && _menuBar.Menus.Length > 0)
{
_currentSelectedMenuBar--;
}
_currentMenuBarItem = _menuBar.Menus?.Length > 0
? _menuBar.Menus [_currentSelectedMenuBar]
: null;
}
RemoveMenuBar ();
SetListViewSource (_currentMenuBarItem, true);
SetFrameDetails ();
};
void RemoveMenuBar ()
{
if (MenuBar != null && _currentMenuBarItem == null && _menuBar.Menus.Length == 0)
{
Remove (_menuBar);
_menuBar.Dispose ();
_menuBar = null;
DataContext.Menus = new ();
_currentMenuBarItem = null;
_currentSelectedMenuBar = -1;
lblMenuBar.Text = string.Empty;
}
else
{
lblMenuBar.Text = _menuBar.Menus [_currentSelectedMenuBar].Title;
}
}
SetFrameDetails ();
var ustringConverter = new UStringValueConverter ();
ListWrapperConverter<DynamicMenuItemList> listWrapperConverter = new ListWrapperConverter<DynamicMenuItemList> ();
var bdgMenuBar = new Binding (this, "MenuBar", lblMenuBar, "Text", ustringConverter);
var bdgParent = new Binding (this, "Parent", lblParent, "Text", ustringConverter);
var bdgMenus = new Binding (this, "Menus", _lstMenus, "Source", listWrapperConverter);
void SetFrameDetails (MenuItem menuBarItem = null)
{
MenuItem menuItem;
if (menuBarItem == null)
{
menuItem = _lstMenus.SelectedItem > -1 && DataContext.Menus.Count > 0
? DataContext.Menus [_lstMenus.SelectedItem].MenuItem
: _currentEditMenuBarItem;
}
else
{
menuItem = menuBarItem;
}
_currentEditMenuBarItem = menuItem;
frmMenuDetails.EditMenuBarItem (menuItem);
bool f = btnOk.Enabled == frmMenuDetails.Enabled;
if (!f)
{
btnOk.Enabled = frmMenuDetails.Enabled;
btnCancel.Enabled = frmMenuDetails.Enabled;
}
}
void SelectCurrentMenuBarItem ()
{
MenuBarItem menuBarItem = null;
if (_menuBar?.Menus is { Length: > 0 })
{
menuBarItem = _menuBar.Menus [_currentSelectedMenuBar];
lblMenuBar.Text = menuBarItem.Title;
}
SetFrameDetails (menuBarItem);
_currentMenuBarItem = menuBarItem;
DataContext.Menus = new ();
SetListViewSource (_currentMenuBarItem, true);
lblParent.Text = string.Empty;
if (_currentMenuBarItem is null)
{
lblMenuBar.Text = string.Empty;
}
}
void SetListViewSource (MenuItem currentMenuBarItem, bool fill = false)
{
DataContext.Menus = [];
var menuBarItem = currentMenuBarItem as MenuBarItem;
if (menuBarItem != null && menuBarItem?.Children == null)
{
return;
}
if (!fill)
{
return;
}
if (menuBarItem != null)
{
foreach (MenuItem child in menuBarItem?.Children)
{
var m = new DynamicMenuItemList { Title = child.Title, MenuItem = child };
DataContext.Menus.Add (m);
}
}
}
MenuItem CreateNewMenu (DynamicMenuItem item, MenuItem parent = null)
{
MenuItem newMenu;
if (item.HasSubMenu)
{
newMenu = new MenuBarItem (item.Title, new MenuItem [] { }, parent);
}
else if (parent != null)
{
newMenu = new (item.Title, item.Help, null, null, parent);
newMenu.CheckType = item.CheckStyle;
newMenu.Action = frmMenuDetails.CreateAction (newMenu, item);
if (Key.TryParse (item.ShortcutKey, out Key key))
{
newMenu.ShortcutKey = key;
}
newMenu.AllowNullChecked = item.AllowNullChecked;
}
else if (item.IsTopLevel)
{
newMenu = new MenuBarItem (item.Title, item.Help, null);
newMenu.Action = frmMenuDetails.CreateAction (newMenu, item);
if (Key.TryParse (item.ShortcutKey, out Key key))
{
newMenu.ShortcutKey = key;
}
}
else
{
newMenu = new MenuBarItem (item.Title, item.Help, null);
((MenuBarItem)newMenu).Children [0].Action =
frmMenuDetails.CreateAction (newMenu, item);
if (Key.TryParse (item.ShortcutKey, out Key key))
{
((MenuBarItem)newMenu).Children [0].ShortcutKey = key;
}
}
return newMenu;
}
void UpdateMenuItem (MenuItem currentEditMenuBarItem, DynamicMenuItem menuItem, int index)
{
currentEditMenuBarItem.Title = menuItem.Title;
currentEditMenuBarItem.Help = menuItem.Help;
currentEditMenuBarItem.CheckType = menuItem.CheckStyle;
if (currentEditMenuBarItem.Parent is MenuBarItem parent
&& parent.Children.Length == 1
&& currentEditMenuBarItem.CheckType == MenuItemCheckStyle.Radio)
{
currentEditMenuBarItem.Checked = true;
}
if (menuItem.IsTopLevel && currentEditMenuBarItem is MenuBarItem)
{
((MenuBarItem)currentEditMenuBarItem).Children = null;
currentEditMenuBarItem.Action =
frmMenuDetails.CreateAction (currentEditMenuBarItem, menuItem);
if (Key.TryParse (menuItem.ShortcutKey, out Key key))
{
currentEditMenuBarItem.ShortcutKey = key;
}
SetListViewSource (currentEditMenuBarItem, true);
}
else if (menuItem.HasSubMenu)
{
currentEditMenuBarItem.Action = null;
if (currentEditMenuBarItem is MenuBarItem && ((MenuBarItem)currentEditMenuBarItem).Children == null)
{
((MenuBarItem)currentEditMenuBarItem).Children = new MenuItem [] { };
}
else if (currentEditMenuBarItem.Parent != null)
{
frmMenuDetails.UpdateParent (ref currentEditMenuBarItem);
}
else
{
currentEditMenuBarItem =
new MenuBarItem (
currentEditMenuBarItem.Title,
new MenuItem [] { },
currentEditMenuBarItem.Parent
);
}
SetListViewSource (currentEditMenuBarItem, true);
}
else if (currentEditMenuBarItem is MenuBarItem && currentEditMenuBarItem.Parent != null)
{
frmMenuDetails.UpdateParent (ref currentEditMenuBarItem);
currentEditMenuBarItem = new (
menuItem.Title,
menuItem.Help,
frmMenuDetails.CreateAction (currentEditMenuBarItem, menuItem),
null,
currentEditMenuBarItem.Parent
);
}
else
{
if (currentEditMenuBarItem is MenuBarItem)
{
((MenuBarItem)currentEditMenuBarItem).Children = null;
DataContext.Menus = new ();
}
currentEditMenuBarItem.Action =
frmMenuDetails.CreateAction (currentEditMenuBarItem, menuItem);
if (Key.TryParse (menuItem.ShortcutKey, out Key key))
{
currentEditMenuBarItem.ShortcutKey = key;
}
}
if (currentEditMenuBarItem.Parent == null)
{
DataContext.MenuBar = currentEditMenuBarItem.Title;
}
else
{
if (DataContext.Menus.Count == 0)
{
DataContext.Menus.Add (
new ()
{
Title = currentEditMenuBarItem.Title, MenuItem = currentEditMenuBarItem
}
);
}
DataContext.Menus [index] =
new ()
{
Title = currentEditMenuBarItem.Title, MenuItem = currentEditMenuBarItem
};
}
currentEditMenuBarItem.CheckType = menuItem.CheckStyle;
SetFrameDetails (currentEditMenuBarItem);
}
//_frmMenuDetails.Initialized += (s, e) => _frmMenuDetails.Enabled = false;
}
public DynamicMenuItemModel DataContext { get; set; }
}
public class DynamicMenuItem
{
public string Action { get; set; } = string.Empty;
public bool AllowNullChecked { get; set; }
public MenuItemCheckStyle CheckStyle { get; set; }
public bool HasSubMenu { get; set; }
public string Help { get; set; } = string.Empty;
public bool IsTopLevel { get; set; }
public string HotKey { get; set; }
public string ShortcutKey { get; set; }
public string Title { get; set; } = "_New";
}
public class DynamicMenuItemList
{
public MenuItem MenuItem { get; set; }
public string Title { get; set; }
public override string ToString () { return $"{Title}, {MenuItem.HotKey}, {MenuItem.ShortcutKey} "; }
}
public class DynamicMenuItemModel : INotifyPropertyChanged
{
private string _menuBar;
private ObservableCollection<DynamicMenuItemList> _menus;
private string _parent;
public DynamicMenuItemModel () { Menus = []; }
public string MenuBar
{
get => _menuBar;
set
{
if (value == _menuBar)
{
return;
}
_menuBar = value;
PropertyChanged?.Invoke (
this,
new (GetPropertyName ())
);
}
}
public ObservableCollection<DynamicMenuItemList> Menus
{
get => _menus;
set
{
if (value == _menus)
{
return;
}
_menus = value;
PropertyChanged?.Invoke (
this,
new (GetPropertyName ())
);
}
}
public string Parent
{
get => _parent;
set
{
if (value == _parent)
{
return;
}
_parent = value;
PropertyChanged?.Invoke (
this,
new (GetPropertyName ())
);
}
}
public event PropertyChangedEventHandler PropertyChanged;
public string GetPropertyName ([CallerMemberName] string propertyName = null) { return propertyName; }
}
public interface IValueConverter
{
object Convert (object value, object parameter = null);
}
public class ListWrapperConverter<T> : IValueConverter
{
public object Convert (object value, object parameter = null) { return new ListWrapper<T> ((ObservableCollection<T>)value); }
}
public class UStringValueConverter : IValueConverter
{
public object Convert (object value, object parameter = null)
{
byte [] data = Encoding.ASCII.GetBytes (value.ToString () ?? string.Empty);
return StringExtensions.ToString (data);
}
}
}