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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
#nullable disable
using System.Collections;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.ComponentModel.Design.Serialization;
using System.Drawing;
using System.Drawing.Design;
using System.Globalization;
using System.Windows.Forms.Design.Behavior;
namespace System.Windows.Forms.Design;
/// <summary>
/// Designer for the ToolStrip class.
/// </summary>
internal class ToolStripDesigner : ControlDesigner
{
private const int GLYPHBORDER = 2;
internal static Point s_lastCursorPosition = Point.Empty; // remembers last cursorPosition;
internal static bool s_autoAddNewItems = true; // true to force newly created items to be added to the currently selected strip.
internal static ToolStripItem s_dragItem; // this is used in overflow to know current item selected while drag, so that we can get the drop-index.
internal static bool s_shiftState; // maintains the shift state used of invalidation. Disable C# compiler warning #0414: field assigned unused value
#pragma warning disable 0414
internal static bool s_editTemplateNode; // this is used in selection changed so that unnecessary redraw is not required.
#pragma warning restore 0414
private DesignerToolStripControlHost _editorNode; // new editorNode
private ToolStripEditorManager _editManager; // newly added editor manager ...
private ToolStrip _miniToolStrip; // the toolStrip that hosts the "New Template Node" button
private DesignerTransaction _insertMenuItemTransaction; // There Should be one and only one Pending insertTransaction.
private Rectangle _dragBoxFromMouseDown = Rectangle.Empty; // Needed to Store the DRAGDROP Rect from the ToolStripItemBehavior.
private int _indexOfItemUnderMouseToDrag = -1; // defaulted to invalid index and will be set by the behavior.
private ToolStripTemplateNode _tn; // templateNode
private ISelectionService _selectionService; // cached selection service.
private uint _editingCollection; // non-zero if the collection editor is up for this ToolStrip or a child of it.
private DesignerTransaction _pendingTransaction; // our transaction for adding/removing items.
private bool _addingItem; // true if we are expecting to be notified of adding a ToolStripItem to the designer.
private Rectangle _boundsToInvalidate = Rectangle.Empty; // Bounds to Invalidate if a DropDownItem is Deleted
private bool _currentVisible = true; // Change Visibility
private ToolStripActionList _actionLists; // Action List on Chrome...
private ToolStripAdornerWindowService _toolStripAdornerWindowService; // Add the Adorner Service for OverFlow DropDown...
private IDesignerHost _host; // get private copy of the DesignerHost
private IComponentChangeService _componentChangeService;
private bool _undoingCalled;
private IToolboxService _toolboxService;
private ContextMenuStrip _toolStripContextMenu;
private bool _toolStripSelected;
private bool _cacheItems; // ToolStripDesigner would cache items for the MenuItem when dropdown is changed.
private ArrayList _items; // cached Items.
private bool _disposed;
private DesignerTransaction _newItemTransaction;
private bool _fireSyncSelection; // fires SyncSelection when we toggle the items visibility to add the glyphs after the item gets visible.
private ToolStripKeyboardHandlingService _keyboardHandlingService;
private bool _parentNotVisible; // sync the parent visibility (used for ToolStripPanels)
private bool _dontCloseOverflow; // When an item is added to the ToolStrip through the templateNode which is on the Overflow; we should not close the overflow (to avoid flicker)
private bool _addingDummyItem; // When the dummyItem is added the toolStrip might resize (as in the Vertical Layouts). In this case we don't want the Resize to cause SyncSelection and Layouts.
/// <summary>
/// Adds designer actions to the ActionLists collection.
/// </summary>
public override DesignerActionListCollection ActionLists
{
get
{
DesignerActionListCollection actionLists = new();
actionLists.AddRange(base.ActionLists);
_actionLists ??= new ToolStripActionList(this);
actionLists.Add(_actionLists);
// First add the verbs for this component there...
DesignerVerbCollection verbs = Verbs;
if (verbs is not null && verbs.Count != 0)
{
DesignerVerb[] verbsArray = new DesignerVerb[verbs.Count];
verbs.CopyTo(verbsArray, 0);
actionLists.Add(new DesignerActionVerbList(verbsArray));
}
return actionLists;
}
}
/// <summary>
/// Compute the rect for the "Add New Item" button.
/// </summary>
private Rectangle AddItemRect
{
get
{
Rectangle rect = default;
if (_miniToolStrip is null)
{
return rect;
}
rect = _miniToolStrip.Bounds;
return rect;
}
}
/// <summary>
/// Accessor for Shadow Property for AllowDrop.
/// </summary>
private bool AllowDrop
{
get => (bool)ShadowProperties[nameof(AllowDrop)];
set
{
if (value && AllowItemReorder)
{
throw new ArgumentException(SR.ToolStripAllowItemReorderAndAllowDropCannotBeSetToTrue);
}
ShadowProperties[nameof(AllowDrop)] = value;
}
}
/// <summary>
/// Accessor for Shadow Property for AllowItemReorder.
/// </summary>
private bool AllowItemReorder
{
get => (bool)ShadowProperties[nameof(AllowItemReorder)];
set
{
if (value && AllowDrop)
{
throw new ArgumentException(SR.ToolStripAllowItemReorderAndAllowDropCannotBeSetToTrue);
}
ShadowProperties[nameof(AllowItemReorder)] = value;
}
}
/// <summary>
/// The ToolStripItems are the associated components. We want those to come with in any cut, copy opreations.
/// </summary>
public override ICollection AssociatedComponents
{
get
{
ArrayList items = [];
foreach (ToolStripItem item in ToolStrip.Items)
{
if (item is not DesignerToolStripControlHost)
{
items.Add(item);
}
}
return items;
}
}
/// <summary>
/// CacheItems is set to TRUE by the ToolStripMenuItemDesigner, when the Transaction of setting
/// the DropDown property is undone. In this case the Undo adds the original items to
/// the Main MenuStripDesigners Items collection and later are moved to to the appropriate ToolStripMenuItem.
/// </summary>
public bool CacheItems
{
get => _cacheItems;
set => _cacheItems = value;
}
/// <summary>
/// False if were inherited and can't be modified.
/// </summary>
private bool CanAddItems
{
get
{
// Make sure the component is not being inherited -- we can't delete these!
InheritanceAttribute ia = (InheritanceAttribute)TypeDescriptor.GetAttributes(ToolStrip)[typeof(InheritanceAttribute)];
if (ia is null || ia.InheritanceLevel == InheritanceLevel.NotInherited)
{
return true;
}
return false;
}
}
/// <summary>
/// This boolean indicates whether the Control will allow SnapLines to be shown when any other targetControl
/// is dragged on the design surface. This is true by default.
/// </summary>
internal override bool ControlSupportsSnaplines => ToolStrip.Parent is not ToolStripPanel;
/// <summary>
/// DesignerContextMenu that is shown on the ToolStrip/MenuStrip/StatusStrip.
/// </summary>
private ContextMenuStrip DesignerContextMenu
{
get
{
_toolStripContextMenu ??= new BaseContextMenuStrip(ToolStrip.Site)
{
Text = "CustomContextMenu"
};
return _toolStripContextMenu;
}
}
/// <summary>
/// Used by ToolStripTemplateNode. When the ToolStrip gains selection the Overflow is closed.
/// But when an item is added through the TemplateNode which itself is on the Overflow, we should not close
/// the Overflow as this caused weird artifacts and flicker. Hence this boolean property.
/// </summary>
public bool DontCloseOverflow
{
get => _dontCloseOverflow;
set => _dontCloseOverflow = value;
}
/// <summary>
/// Since the Itemglyphs are recreated on the SelectionChanged, we need to cache in the "MouseDown"
/// while the item Drag-Drop operation.
/// </summary>
public Rectangle DragBoxFromMouseDown
{
get => _dragBoxFromMouseDown;
set => _dragBoxFromMouseDown = value;
}
/// <summary>
/// Set by the ToolStripItemCollectionEditor when it's launched for this ToolStrip so we won't pick up
/// it's items when added. We count this so that we can deal with nesting's.
/// </summary>
internal bool EditingCollection
{
get => _editingCollection != 0;
set
{
if (value)
{
_editingCollection++;
}
else
{
_editingCollection--;
}
}
}
/// <summary>
/// EditManager for the ToolStrip Designer. This EditorManager controls the Insitu Editing.
/// </summary>
public ToolStripEditorManager EditManager
{
get => _editManager;
}
/// <summary>
/// The TemplateNode. This is the object that actually creates miniToolStrip and manages InSitu editing.
/// </summary>
internal ToolStripTemplateNode Editor
{
get => _tn;
}
/// <summary>
/// This is the ToolStripControlHost that hosts the ToolStripTemplateNode's miniToolStrip.
/// </summary>
public DesignerToolStripControlHost EditorNode
{
get => _editorNode;
}
/// <summary>
/// This is the ToolStripTemplateNode's miniToolStrip.
/// </summary>
internal ToolStrip EditorToolStrip
{
get => _miniToolStrip;
set
{
_miniToolStrip = value;
_miniToolStrip.Parent = ToolStrip;
LayoutToolStrip();
}
}
/// <summary>
/// This will be set through ToolStripItemDesigner.SetItemVisible( ) if we find there is atleast one time
/// that toggled from Visible==false to Visible==true In such a case we need to
/// call BehaviorService.SyncSelection( ) to update the glyphs.
/// </summary>
public bool FireSyncSelection
{
get => _fireSyncSelection;
set => _fireSyncSelection = value;
}
/// <summary>
/// Since the Itemglyphs are recreated on the SelectionChanged, we need to cache in the "index" of last MouseDown
/// while the item Drag-Drop operation.
/// </summary>
public int IndexOfItemUnderMouseToDrag
{
get => _indexOfItemUnderMouseToDrag;
set => _indexOfItemUnderMouseToDrag = value;
}
/// <summary>
/// ToolStrips if inherited act as ReadOnly.
/// </summary>
protected override InheritanceAttribute InheritanceAttribute
{
get
{
if ((base.InheritanceAttribute == InheritanceAttribute.Inherited))
{
return InheritanceAttribute.InheritedReadOnly;
}
return base.InheritanceAttribute;
}
}
/// <summary>
/// This is the insert Transaction. Now insert can happen at Main Menu level or the DropDown Level.
/// This transaction is used to keep both in sync.
/// </summary>
public DesignerTransaction InsertTransaction
{
get => _insertMenuItemTransaction;
set => _insertMenuItemTransaction = value;
}
/// <summary>
/// Checks if there is a selection of the ToolStrip or one of it's items.
/// </summary>
private bool IsToolStripOrItemSelected
{
get => _toolStripSelected;
}
/// <summary>
/// CacheItems is set to TRUE by the ToolStripMenuItemDesigner, when the Transaction of setting
/// the DropDown property is undone. In this case the Undo adds the original items to the
/// Main MenuStripDesigners Items collection and later are moved to to the appropriate ToolStripMenuItem.
/// This is the Items Collection.
/// </summary>
public ArrayList Items
{
get
{
_items ??= [];
return _items;
}
}
/// <summary>
/// This is the new item Transaction. This is used when the InSitu editor adds new Item.
/// </summary>
public DesignerTransaction NewItemTransaction
{
get => _newItemTransaction;
set => _newItemTransaction = value;
}
/// <summary>
/// Compute the rect for the "OverFlow" button.
/// </summary>
private Rectangle OverFlowButtonRect
{
get
{
Rectangle rect = default;
if (ToolStrip.OverflowButton.Visible)
{
return ToolStrip.OverflowButton.Bounds;
}
else
{
return rect;
}
}
}
/// <summary>
/// Get and cache the selection service
/// </summary>
internal ISelectionService SelectionService => _selectionService ??= GetService<ISelectionService>();
public bool SupportEditing
{
get
{
if (GetService(typeof(DesignerOptionService)) is WindowsFormsDesignerOptionService dos)
{
return dos.CompatibilityOptions.EnableInSituEditing;
}
return true;
}
}
/// <summary>
/// Handy way of getting our ToolStrip
/// </summary>
protected ToolStrip ToolStrip
{
get => (ToolStrip)Component;
}
/// <summary>
/// Get and cache the toolStripKeyBoard service
/// </summary>
private ToolStripKeyboardHandlingService KeyboardHandlingService
{
get
{
if (_keyboardHandlingService is null)
{
// Add the EditService so that the ToolStrip can do its own Tab and Keyboard Handling
_keyboardHandlingService = GetService<ToolStripKeyboardHandlingService>();
_keyboardHandlingService ??= new ToolStripKeyboardHandlingService(Component.Site);
}
return _keyboardHandlingService;
}
}
/// <summary>
/// There are certain containers (like ToolStrip) that require PerformLayout to be serialized in the code gen.
/// </summary>
internal override bool SerializePerformLayout
{
get => true;
}
/// <summary>
/// Un - ShadowProperty.
/// </summary>
internal bool Visible
{
get => _currentVisible;
set
{
_currentVisible = value;
// If the user has set the Visible to false, sync the controls visible property.
if (ToolStrip.Visible != value && !SelectionService.GetComponentSelected(ToolStrip))
{
Control.Visible = value;
}
}
}
private IComponentChangeService ComponentChangeService => _componentChangeService ??= GetRequiredService<IComponentChangeService>();
/// <summary>
/// This will add BodyGlyphs for the Items on the OverFlow. Since ToolStripItems
/// are component we have to manage Adding and Deleting the glyphs ourSelves.
/// </summary>
private void AddBodyGlyphsForOverflow()
{
// now walk the ToolStrip and add glyphs for each of it's children
foreach (ToolStripItem item in ToolStrip.Items)
{
if (item is DesignerToolStripControlHost)
{
continue;
}
// make sure it's on the Overflow...
if (item.Placement == ToolStripItemPlacement.Overflow)
{
AddItemBodyGlyph(item);
}
}
}
/// <summary>
/// This will add BodyGlyphs for the Items on the OverFlow. Since ToolStripItems are component we have
/// to manage Adding and Deleting the glyphs ourSelves. Called by AddBodyGlyphsForOverflow().
/// </summary>
private void AddItemBodyGlyph(ToolStripItem item)
{
if (item is not null)
{
ToolStripItemDesigner dropDownItemDesigner = (ToolStripItemDesigner)_host.GetDesigner(item);
if (dropDownItemDesigner is not null)
{
Rectangle bounds = dropDownItemDesigner.GetGlyphBounds();
Behavior.Behavior toolStripBehavior = new ToolStripItemBehavior();
// Initialize Glyph
ToolStripItemGlyph bodyGlyphForddItem = new(item, dropDownItemDesigner, bounds, toolStripBehavior);
// Set the glyph for the item .. so that we can remove it later....
dropDownItemDesigner._bodyGlyph = bodyGlyphForddItem;
// Add ItemGlyph to the Collection
_toolStripAdornerWindowService?.DropDownAdorner.Glyphs.Add(bodyGlyphForddItem);
}
}
}
/// <summary>
/// Fired when a new item is chosen from the AddItems menu from the Template Node.
/// </summary>
private ToolStripItem AddNewItem(Type t)
{
Debug.Assert(_host is not null, "Why didn't we get a designer host?");
NewItemTransaction = _host.CreateTransaction(SR.ToolStripCreatingNewItemTransaction);
IComponent component = null;
try
{
_addingItem = true;
// Suspend the Layout as we are about to add Item to the ToolStrip
ToolStrip.SuspendLayout();
ToolStripItemDesigner designer = null;
try
{
// The code in ComponentAdded will actually get the add done.
// This should be inside the try finally because it could throw an exception and
// keep the toolstrip in SuspendLayout mode
component = _host.CreateComponent(t);
designer = _host.GetDesigner(component) as ToolStripItemDesigner;
designer.InternalCreate = true;
designer?.InitializeNewComponent(null);
}
finally
{
if (designer is not null)
{
designer.InternalCreate = false;
}
// Resume the Layout as we are about to add Item to the ToolStrip
ToolStrip.ResumeLayout();
}
}
catch (Exception e)
{
if (NewItemTransaction is not null)
{
NewItemTransaction.Cancel();
NewItemTransaction = null;
}
// Throw the exception unless it's a canceled checkout
if ((!(e is CheckoutException checkoutException)) || (!checkoutException.Equals(CheckoutException.Canceled)))
{
throw;
}
}
finally
{
_addingItem = false;
}
return component as ToolStripItem;
}
// Standard 'catch all - rethrow critical' exception pattern
internal ToolStripItem AddNewItem(Type t, string text, bool enterKeyPressed, bool tabKeyPressed)
{
Debug.Assert(_host is not null, "Why didn't we get a designer host?");
Debug.Assert(_pendingTransaction is null, "Adding item with pending transaction?");
DesignerTransaction outerTransaction = _host.CreateTransaction(string.Format(SR.ToolStripAddingItem, t.Name));
ToolStripItem item = null;
try
{
_addingItem = true;
// Suspend the Layout as we are about to add Item to the ToolStrip
ToolStrip.SuspendLayout();
// The code in ComponentAdded will actually get the add done.
IComponent component = _host.CreateComponent(t, NameFromText(text, t, Component.Site));
ToolStripItemDesigner designer = _host.GetDesigner(component) as ToolStripItemDesigner;
try
{
// ToolStripItem designer tries to set the TEXT for the item in the InitializeNewComponent().
// But since we are create item thru InSitu .. we shouldn't do this.
// Also we shouldn't set the TEXT if we are creating a dummyItem.
if (!string.IsNullOrEmpty(text))
{
designer.InternalCreate = true;
}
designer?.InitializeNewComponent(null);
}
finally
{
designer.InternalCreate = false;
}
// Set the Text and Image..
item = component as ToolStripItem;
if (item is not null)
{
PropertyDescriptor textProperty = TypeDescriptor.GetProperties(item)["Text"];
Debug.Assert(textProperty is not null, "Could not find 'Text' property in ToolStripItem.");
if (textProperty is not null && !string.IsNullOrEmpty(text))
{
textProperty.SetValue(item, text);
}
// Set the Image property and DisplayStyle...
if (item is ToolStripButton or ToolStripSplitButton or ToolStripDropDownButton)
{
Image image = null;
try
{
image = new Icon(typeof(ToolStripButton), "blank").ToBitmap();
}
catch (Exception e) when (!e.IsCriticalException())
{
}
PropertyDescriptor imageProperty = TypeDescriptor.GetProperties(item)["Image"];
Debug.Assert(imageProperty is not null, "Could not find 'Image' property in ToolStripItem.");
if (imageProperty is not null && image is not null)
{
imageProperty.SetValue(item, image);
}
PropertyDescriptor dispProperty = TypeDescriptor.GetProperties(item)["DisplayStyle"];
Debug.Assert(dispProperty is not null, "Could not find 'DisplayStyle' property in ToolStripItem.");
dispProperty?.SetValue(item, ToolStripItemDisplayStyle.Image);
PropertyDescriptor imageTransProperty = TypeDescriptor.GetProperties(item)["ImageTransparentColor"];
Debug.Assert(imageTransProperty is not null, "Could not find 'DisplayStyle' property in ToolStripItem.");
imageTransProperty?.SetValue(item, Color.Magenta);
}
}
// ResumeLayout on ToolStrip.
ToolStrip.ResumeLayout();
if (!tabKeyPressed)
{
if (enterKeyPressed)
{
if (!designer.SetSelection(enterKeyPressed))
{
if (KeyboardHandlingService is not null)
{
KeyboardHandlingService.SelectedDesignerControl = _editorNode;
SelectionService.SetSelectedComponents(null, SelectionTypes.Replace);
}
}
}
else
{
// put the templateNode into nonselection mode && select the existing Item
KeyboardHandlingService.SelectedDesignerControl = null;
SelectionService.SetSelectedComponents(new IComponent[] { item }, SelectionTypes.Replace);
_editorNode.RefreshSelectionGlyph();
}
}
else
{
if (_keyboardHandlingService is not null)
{
KeyboardHandlingService.SelectedDesignerControl = _editorNode;
SelectionService.SetSelectedComponents(null, SelectionTypes.Replace);
}
}
if (designer is not null && item.Placement != ToolStripItemPlacement.Overflow)
{
Rectangle bounds = designer.GetGlyphBounds();
Behavior.Behavior toolStripBehavior = new ToolStripItemBehavior();
ToolStripItemGlyph bodyGlyphForItem = new(item, designer, bounds, toolStripBehavior);
// Add ItemGlyph to the Collection
GetService<SelectionManager>().BodyGlyphAdorner.Glyphs.Insert(0, bodyGlyphForItem);
}
else if (designer is not null && item.Placement == ToolStripItemPlacement.Overflow)
{
// Add Glyphs for overflow...
RemoveBodyGlyphsForOverflow();
AddBodyGlyphsForOverflow();
}
}
catch (Exception exception)
{
// ResumeLayout on ToolStrip.
ToolStrip.ResumeLayout();
if (_pendingTransaction is not null)
{
_pendingTransaction.Cancel();
_pendingTransaction = null;
}
if (outerTransaction is not null)
{
outerTransaction.Cancel();
outerTransaction = null;
}
if (exception is CheckoutException checkoutEx && checkoutEx != CheckoutException.Canceled)
{
throw;
}
}
finally
{
if (_pendingTransaction is not null)
{
_pendingTransaction.Cancel();
_pendingTransaction = null;
outerTransaction?.Cancel();
}
else
{
outerTransaction?.Commit();
}
_addingItem = false;
}
return item;
}
/// <summary>
/// Adds the new TemplateNode to the ToolStrip or MenuStrip.
/// </summary>
internal void AddNewTemplateNode()
{
// Setup the MINIToolStrip host.
_tn = new ToolStripTemplateNode(Component, SR.ToolStripDesignerTemplateNodeEnterText);
_miniToolStrip = _tn.EditorToolStrip;
int width = _tn.EditorToolStrip.Width;
_editorNode = new DesignerToolStripControlHost(_tn.EditorToolStrip);
_tn.ControlHost = _editorNode;
_editorNode.Width = width;
ToolStrip.Items.Add(_editorNode);
_editorNode.Visible = false;
}
internal void CancelPendingMenuItemTransaction()
{
_insertMenuItemTransaction?.Cancel();
}
/// <summary>
/// Check if the ToolStripItems are selected.
/// </summary>
private bool CheckIfItemSelected()
{
bool showToolStrip = false;
object comp = SelectionService.PrimarySelection;
comp ??= (IComponent)KeyboardHandlingService.SelectedDesignerControl;
if (comp is ToolStripItem item)
{
if (item.Placement == ToolStripItemPlacement.Overflow && item.Owner == ToolStrip)
{
if (ToolStrip.CanOverflow && !ToolStrip.OverflowButton.DropDown.Visible)
{
ToolStrip.OverflowButton.ShowDropDown();
}
showToolStrip = true;
}
else
{
if (!ItemParentIsOverflow(item))
{
if (ToolStrip.OverflowButton.DropDown.Visible)
{
ToolStrip.OverflowButton.HideDropDown();
}
}
if (item.Owner == ToolStrip)
{
showToolStrip = true;
}
else if (item is DesignerToolStripControlHost)
{
if (item.IsOnDropDown && item.Placement != ToolStripItemPlacement.Overflow)
{
ToolStripDropDown dropDown = (ToolStripDropDown)((DesignerToolStripControlHost)comp).GetCurrentParent();
if (dropDown is not null)
{
ToolStripItem ownerItem = dropDown.OwnerItem;
ToolStripMenuItemDesigner itemDesigner = (ToolStripMenuItemDesigner)_host.GetDesigner(ownerItem);
ToolStripDropDown topmost = ToolStripItemDesigner.GetFirstDropDown((ToolStripDropDownItem)(ownerItem));
ToolStripItem topMostItem = (topmost is null) ? ownerItem : topmost.OwnerItem;
if (topMostItem is not null && topMostItem.Owner == ToolStrip)
{
showToolStrip = true;
}
}
}
}
else if (item.IsOnDropDown && item.Placement != ToolStripItemPlacement.Overflow)
{
ToolStripItem parentItem = ((ToolStripDropDown)(item.Owner)).OwnerItem;
if (parentItem is not null)
{
ToolStripDropDown topmost = ToolStripItemDesigner.GetFirstDropDown((ToolStripDropDownItem)parentItem);
ToolStripItem topMostItem = (topmost is null) ? parentItem : topmost.OwnerItem;
if (topMostItem is not null && topMostItem.Owner == ToolStrip)
{
showToolStrip = true;
}
}
}
}
}
return showToolStrip;
}
/// <summary>
/// This is called ToolStripItemGlyph to commit the TemplateNode Edition on the Parent ToolStrip.
/// </summary>
internal bool Commit()
{
if (_tn is not null && _tn.Active)
{
_tn.Commit(false, false);
_editorNode.Width = _tn.EditorToolStrip.Width;
}
else
{
if (SelectionService.PrimarySelection is ToolStripDropDownItem selectedItem)
{
if (_host.GetDesigner(selectedItem) is ToolStripMenuItemDesigner itemDesigner && itemDesigner.IsEditorActive)
{
itemDesigner.Commit();
return true;
}
}
else
{
if (KeyboardHandlingService is not null)
{
if (KeyboardHandlingService.SelectedDesignerControl is ToolStripItem designerItem && designerItem.IsOnDropDown)
{
if (designerItem.GetCurrentParent() is ToolStripDropDown parent)
{
if (parent.OwnerItem is ToolStripDropDownItem ownerItem)
{
if (_host.GetDesigner(ownerItem) is ToolStripMenuItemDesigner itemDesigner && itemDesigner.IsEditorActive)
{
itemDesigner.Commit();
return true;
}
}
}
}
else
{ // check for normal ToolStripItem selection ....
if (SelectionService.PrimarySelection is ToolStripItem toolItem)
{
ToolStripItemDesigner itemDesigner = (ToolStripItemDesigner)_host.GetDesigner(toolItem);
if (itemDesigner is not null && itemDesigner.IsEditorActive)
{
itemDesigner.Editor.Commit(false, false);
return true;
}
}
}
}
}
}
return false;
}
/// <summary>
/// Make sure the AddNewItem button is setup properly.
/// </summary>
private void Control_HandleCreated(object sender, EventArgs e)
{
InitializeNewItemDropDown();
}
/// <summary>
/// Fired after a component has been added. Here, we add it to the ToolStrip and select it.
/// </summary>
private void ComponentChangeSvc_ComponentAdded(object sender, ComponentEventArgs e)
{
// If another ToolStrip is getting added and we are currently selected then unselect us .. the newly added
// toolStrip should get selected.
if (_toolStripSelected && e.Component is ToolStrip)
{
_toolStripSelected = false;
}
try
{
// make sure it's one of ours and not on DropDown.
if (e.Component is ToolStripItem newItem && _addingItem && !newItem.IsOnDropDown)
{
_addingItem = false;
if (CacheItems)
{
_items.Add(newItem);
}
else
{
// Get the current count of ToolStripItems.
int count = ToolStrip.Items.Count;
// notify the designer what's changed.
try
{
RaiseComponentChanging(TypeDescriptor.GetProperties(Component)["Items"]);
if (SelectionService.PrimarySelection is ToolStripItem selectedItem)
{
// ADD at the current Selection ...
if (selectedItem.Owner == ToolStrip)
{
int indexToInsert = ToolStrip.Items.IndexOf(selectedItem);
ToolStrip.Items.Insert(indexToInsert, newItem);
}
}
else if (count > 0)
{
// ADD at Last but one, the last one being the TemplateNode always...
ToolStrip.Items.Insert(count - 1, newItem);
}
else
{
ToolStrip.Items.Add(newItem);
}
}
finally
{
RaiseComponentChanged(TypeDescriptor.GetProperties(Component)["Items"], null, null);
}
}
}
}
catch
{
if (_pendingTransaction is not null)
{
_pendingTransaction.Cancel();
_pendingTransaction = null;
_insertMenuItemTransaction = null;
}
}
finally
{
if (_pendingTransaction is not null)
{
_pendingTransaction.Commit();
_pendingTransaction = null;
_insertMenuItemTransaction = null;
}
}
}
/// <summary>
/// Checks if the component being added is a child ToolStripItem.
/// </summary>
private void ComponentChangeSvc_ComponentAdding(object sender, ComponentEventArgs e)
{
if (KeyboardHandlingService is not null && KeyboardHandlingService.CopyInProgress)
{
return;
}
// Return if we are not the owner !!
object selectedItem = SelectionService.PrimarySelection;
if (selectedItem is null)
{
if (_keyboardHandlingService is not null)
{
selectedItem = KeyboardHandlingService.SelectedDesignerControl;
}
}
if (selectedItem is ToolStripItem currentSel && currentSel.Owner != ToolStrip)
{
return;
}
// we'll be adding a child item if the component is a ToolStrip item and we've currently got this ToolStrip
// or one of it's items selected. we do this so things like paste and undo automagically work.
ToolStripItem addingItem = e.Component as ToolStripItem;
if (addingItem is not null && addingItem.Owner is not null)
{
if (addingItem.Owner.Site is null)
{
// we are DummyItem to the ToolStrip...
return;
}
}
if (_insertMenuItemTransaction is null && s_autoAddNewItems && addingItem is not null && !_addingItem && IsToolStripOrItemSelected && !EditingCollection)
{
_addingItem = true;
if (_pendingTransaction is null)
{
Debug.Assert(_host is not null, "Why didn't we get a designer host?");
_insertMenuItemTransaction = _pendingTransaction = _host.CreateTransaction(SR.ToolStripDesignerTransactionAddingItem);
}
}
}
/// <summary>
/// Required to check if we need to show the Overflow, if any change has caused the item to go into the overflow.
/// </summary>
private void ComponentChangeSvc_ComponentChanged(object sender, ComponentChangedEventArgs e)
{
if (e.Component is ToolStripItem changingItem)
{
ToolStrip parent = changingItem.Owner;
if (parent == ToolStrip && e.Member is not null && e.Member.Name == "Overflow")
{
ToolStripItemOverflow oldValue = (ToolStripItemOverflow)e.OldValue;
ToolStripItemOverflow newValue = (ToolStripItemOverflow)e.NewValue;
if (oldValue != ToolStripItemOverflow.Always && newValue == ToolStripItemOverflow.Always)
{
// If now the Item falls in the Overflow .. Open the Overflow..
if (ToolStrip.CanOverflow && !ToolStrip.OverflowButton.DropDown.Visible)
{
ToolStrip.OverflowButton.ShowDropDown();
}
}
}
}
}
/// <summary>
/// After a ToolStripItem is removed, remove it from the ToolStrip and select the next item.
/// </summary>
private void ComponentChangeSvc_ComponentRemoved(object sender, ComponentEventArgs e)
{
if (e.Component is ToolStripItem item && item.Owner == Component)
{
int itemIndex = ToolStrip.Items.IndexOf(item);
// send notifications.
try
{
if (itemIndex != -1)
{
ToolStrip.Items.Remove(item);
RaiseComponentChanged(TypeDescriptor.GetProperties(Component)["Items"], null, null);
}
}
finally
{
if (_pendingTransaction is not null)
{
_pendingTransaction.Commit();
_pendingTransaction = null;
}
}
// select the next item or the ToolStrip itself.
if (ToolStrip.Items.Count > 1)
{
itemIndex = Math.Min(ToolStrip.Items.Count - 1, itemIndex);
itemIndex = Math.Max(0, itemIndex);
}
else
{
itemIndex = -1;
}
LayoutToolStrip();
// Reset the Glyphs if the item removed is on the OVERFLOW,
if (item.Placement == ToolStripItemPlacement.Overflow)
{
// Add Glyphs for overflow...
RemoveBodyGlyphsForOverflow();
AddBodyGlyphsForOverflow();
}
if (_toolStripAdornerWindowService is not null && _boundsToInvalidate != Rectangle.Empty)
{
_toolStripAdornerWindowService.Invalidate(_boundsToInvalidate);
BehaviorService.Invalidate(_boundsToInvalidate);
}
if (KeyboardHandlingService.CutOrDeleteInProgress)
{
IComponent targetSelection = (itemIndex == -1) ? ToolStrip : ToolStrip.Items[itemIndex];
// if the TemplateNode becomes the targetSelection, then set the targetSelection to null.
if (targetSelection is not null)
{
if (targetSelection is DesignerToolStripControlHost)
{
if (KeyboardHandlingService is not null)
{
KeyboardHandlingService.SelectedDesignerControl = targetSelection;
}
SelectionService.SetSelectedComponents(null, SelectionTypes.Replace);
}
else
{
SelectionService.SetSelectedComponents(new IComponent[] { targetSelection }, SelectionTypes.Replace);
}
}
}
}
}
/// <summary>
/// Before a ToolStripItem is removed, open a transaction to batch the operation.
/// </summary>
private void ComponentChangeSvc_ComponentRemoving(object sender, ComponentEventArgs e)
{
if (e.Component is ToolStripItem item && item.Owner == Component)
{
Debug.Assert(_host is not null, "Why didn't we get a designer host?");
Debug.Assert(_pendingTransaction is null, "Removing item with pending transaction?");
try
{
_pendingTransaction = _host.CreateTransaction(SR.ToolStripDesignerTransactionRemovingItem);
RaiseComponentChanging(TypeDescriptor.GetProperties(Component)["Items"]);
if (e.Component is ToolStripDropDownItem dropDownItem)
{
dropDownItem.HideDropDown();
_boundsToInvalidate = dropDownItem.DropDown.Bounds;
}
}
catch
{
if (_pendingTransaction is not null)
{
_pendingTransaction.Cancel();
_pendingTransaction = null;
}
}
}
}
/// <summary>
/// Clean up the mess we've made!
/// </summary>
protected override void Dispose(bool disposing)
{
if (disposing)
{
_disposed = true;
if (_items is not null)
{
_items = null;
}
if (_selectionService is not null)
{
_selectionService = null;
}
if (HasComponent)
{
EnableDragDrop(false);
}
// Dispose of the EditManager
if (_editManager is not null)
{
ToolStripEditorManager.CloseManager();
_editManager = null;
}
// tear down the TemplateNode
if (_tn is not null)
{
_tn.RollBack();
_tn.CloseEditor();
_tn = null;
}
// teardown the add item button.
if (_miniToolStrip is not null)
{
_miniToolStrip.Dispose();
_miniToolStrip = null;
}
// tearDown the EditorNode..
if (_editorNode is not null)
{
_editorNode.Dispose();
_editorNode = null;
}
// tear off the ContextMenu..
if (_toolStripContextMenu is not null)
{
_toolStripContextMenu.Dispose();
_toolStripContextMenu = null;
}
// Always Remove all the glyphs we added
if (HasComponent)
{
RemoveBodyGlyphsForOverflow();
// tear off the OverFlow if its being shown
if (ToolStrip.OverflowButton.DropDown.Visible)
{
ToolStrip.OverflowButton.HideDropDown();
}
}
if (_toolStripAdornerWindowService is not null)
{
_toolStripAdornerWindowService = null;
}
ComponentChangeService.ComponentAdding -= ComponentChangeSvc_ComponentAdding;
ComponentChangeService.ComponentAdded -= ComponentChangeSvc_ComponentAdded;
ComponentChangeService.ComponentRemoving -= ComponentChangeSvc_ComponentRemoving;
ComponentChangeService.ComponentRemoved -= ComponentChangeSvc_ComponentRemoved;
ComponentChangeService.ComponentChanged -= ComponentChangeSvc_ComponentChanged;
}
base.Dispose(disposing);
}
/// <summary>
/// Creates a method signature in the source code file for the default event on the component and navigates
/// the user's cursor to that location in preparation to assign the default action.
/// </summary>
public override void DoDefaultAction()
{
// Don't Fire the Events if the Component is Inherited.
if (InheritanceAttribute != InheritanceAttribute.InheritedReadOnly)
{
IComponent selectedItem = SelectionService.PrimarySelection as IComponent;
if (selectedItem is null)
{
if (KeyboardHandlingService is not null)
{
selectedItem = (IComponent)KeyboardHandlingService.SelectedDesignerControl;
}
}
// if one of the sub-items is selected, delegate to it.
if (selectedItem is ToolStripItem)
{
if (_host is not null)
{
IDesigner itemDesigner = _host.GetDesigner(selectedItem);
if (itemDesigner is not null)
{
itemDesigner.DoDefaultAction();
return;
}
}
}
base.DoDefaultAction();
}
}
/// <summary>
/// We add our BodyGlyphs as well as bodyGlyphs for the ToolStripItems here.
/// </summary>
protected override ControlBodyGlyph GetControlGlyph(GlyphSelectionType selectionType)
{
// Get the glyphs iff Handle is created for the toolStrip.
if (!ToolStrip.IsHandleCreated)
{
return null;
}
if (TryGetService(out SelectionManager selectionManager) && ToolStrip is not null && CanAddItems && ToolStrip.Visible)
{
object primarySelection = SelectionService.PrimarySelection;
Behavior.Behavior toolStripBehavior = new ToolStripItemBehavior();
// Sometimes the Collection changes when the ToolStrip gets the Selection and we are in a dummy InSitu
// edit so remove that before accessing the collection
if (ToolStrip.Items.Count > 0)
{
ToolStripItem[] items = new ToolStripItem[ToolStrip.Items.Count];
ToolStrip.Items.CopyTo(items, 0);
foreach (ToolStripItem toolItem in items)
{
if (toolItem is not null)
{
ToolStripItemDesigner itemDesigner = (ToolStripItemDesigner)_host.GetDesigner(toolItem);
bool isPrimary = (toolItem == primarySelection);
if (!isPrimary &&
itemDesigner is not null &&
itemDesigner.IsEditorActive)
{
itemDesigner.Editor.Commit(false, false);
}
}
}
}
// now walk the ToolStrip and add glyphs for each of it's children
foreach (ToolStripItem item in ToolStrip.Items)
{
if (item is DesignerToolStripControlHost)
{
continue;
}
// make sure it's on the ToolStrip...
if (item.Placement == ToolStripItemPlacement.Main)
{
ToolStripItemDesigner itemDesigner = (ToolStripItemDesigner)_host.GetDesigner(item);
if (itemDesigner is not null)
{
bool isPrimary = (item == primarySelection);
if (isPrimary)
{
((ToolStripItemBehavior)toolStripBehavior)._dragBoxFromMouseDown = _dragBoxFromMouseDown;
}
// Get Back the Current Bounds if current selection is not a primary selection
if (!isPrimary)
{
item.AutoSize = itemDesigner is null || itemDesigner.AutoSize;
}
Rectangle itemBounds = itemDesigner.GetGlyphBounds();
Control parent = ToolStrip.Parent;
Rectangle parentBounds = BehaviorService.ControlRectInAdornerWindow(parent);
if (IsGlyphTotallyVisible(itemBounds, parentBounds) && item.Visible)
{
// Add Glyph ONLY AFTER item width is changed...
ToolStripItemGlyph bodyGlyphForItem = new(item, itemDesigner, itemBounds, toolStripBehavior);
itemDesigner._bodyGlyph = bodyGlyphForItem;
// Add ItemGlyph to the Collection
selectionManager.BodyGlyphAdorner.Glyphs.Add(bodyGlyphForItem);
}
}
}
}
}
return (base.GetControlGlyph(selectionType));
}
/// <summary>
/// We add our SelectionGlyphs here. Since ToolStripItems are components we add the SelectionGlyphs
/// for those in this call as well.
/// </summary>
public override GlyphCollection GetGlyphs(GlyphSelectionType selType)
{
// get the default glyphs for this component.
GlyphCollection glyphs = [];
ICollection selComponents = SelectionService.GetSelectedComponents();
foreach (object comp in selComponents)
{
if (comp is ToolStrip)
{
GlyphCollection toolStripGlyphs = base.GetGlyphs(selType);
glyphs.AddRange(toolStripGlyphs);
}
else
{
if (comp is ToolStripItem item && item.Visible)
{
ToolStripItemDesigner itemDesigner = (ToolStripItemDesigner)_host.GetDesigner(item);
itemDesigner?.GetGlyphs(ref glyphs, StandardBehavior);
}
}
}
if ((SelectionRules & SelectionRules.Moveable) != 0 && InheritanceAttribute != InheritanceAttribute.InheritedReadOnly && (selType != GlyphSelectionType.NotSelected))
{
// get the adornerwindow-relative coords for the container control
Point loc = BehaviorService.ControlToAdornerWindow((Control)Component);
Rectangle translatedBounds = new(loc, ((Control)Component).Size);
int glyphOffset = (int)(DesignerUtils.s_containerGrabHandleSize * .5);
// if the control is too small for our ideal position...
if (translatedBounds.Width < 2 * DesignerUtils.s_containerGrabHandleSize)
{
glyphOffset = -1 * glyphOffset;
}
ContainerSelectorBehavior behavior = new(ToolStrip, Component.Site, true);
ContainerSelectorGlyph containerSelectorGlyph = new(translatedBounds, DesignerUtils.s_containerGrabHandleSize, glyphOffset, behavior);
glyphs.Insert(0, containerSelectorGlyph);
}
return glyphs;
}
/// <summary>
/// Allow hit testing over the AddNewItem button only.
/// </summary>
protected override bool GetHitTest(Point point)
{
// convert to client coords.
point = Control.PointToClient(point);
if (_miniToolStrip is not null && _miniToolStrip.Visible && AddItemRect.Contains(point))
{
return true;
}
if (OverFlowButtonRect.Contains(point))
{
return true;
}
return base.GetHitTest(point);
}
/// <summary>
/// Get the designer set up to run.
/// </summary>
// EditorServiceContext is newed up to add Edit Items verb.
public override void Initialize(IComponent component)
{
base.Initialize(component);
AutoResizeHandles = true;
ComponentChangeService.ComponentAdding += ComponentChangeSvc_ComponentAdding;
ComponentChangeService.ComponentAdded += ComponentChangeSvc_ComponentAdded;
ComponentChangeService.ComponentRemoving += ComponentChangeSvc_ComponentRemoving;
ComponentChangeService.ComponentRemoved += ComponentChangeSvc_ComponentRemoved;
ComponentChangeService.ComponentChanged += ComponentChangeSvc_ComponentChanged;
// initialize new Manager For Editing ToolStrips
_editManager = new ToolStripEditorManager(component);
_host = GetRequiredService<IDesignerHost>();
// Setup the dropdown if our handle has been created.
if (Control.IsHandleCreated)
{
InitializeNewItemDropDown();
}
// Hookup to the AdornerService for the overflow dropdown to be parent properly.
_toolStripAdornerWindowService = GetService<ToolStripAdornerWindowService>();
// Make sure the overflow is not topLevel
ToolStrip.OverflowButton.DropDown.TopLevel = false;
// init the verb.
if (CanAddItems)
{
new EditorServiceContext(this, TypeDescriptor.GetProperties(Component)["Items"], SR.ToolStripItemCollectionEditorVerb);
// Add the EditService so that the ToolStrip can do its own Tab and Keyboard Handling
if (GetService<ToolStripKeyboardHandlingService>() is null)
{
new ToolStripKeyboardHandlingService(Component.Site);
}
// Add the InsituEditService so that the ToolStrip can do its own Tab and Keyboard Handling
if (GetService<ISupportInSituService>() is null)
{
new ToolStripInSituService(Component.Site);
}
}
// ToolStrip is selected...
_toolStripSelected = true;
// Reset the TemplateNode Selection if any...
if (_keyboardHandlingService is not null)
{
KeyboardHandlingService.SelectedDesignerControl = null;
}
}
/// <summary>
/// ControlDesigner overrides this method. It will look at the default property for the control and,
/// if it is of type string, it will set this property's value to the name of the component.
/// It only does this if the designer has been configured with this option in the options service.
/// This method also connects the control to its parent and positions it. If you override this method,
/// you should always call base.
/// </summary>
public override void InitializeNewComponent(IDictionary defaultValues)
{
Control parent = defaultValues is not null ? defaultValues["Parent"] as Control : null;
Form parentForm = _host.RootComponent as Form;
FormDocumentDesigner parentFormDesigner = null;
if (parentForm is not null)
{
parentFormDesigner = _host.GetDesigner(parentForm) as FormDocumentDesigner;
}
ToolStripPanel parentPanel = parent as ToolStripPanel;
// smoke the Dock Property if the toolStrip is getting parented to the ContentPanel.
if (parentPanel is null && parent is ToolStripContentPanel)
{
// smoke the dock property whenever we add a toolstrip to a toolstrip panel.
PropertyDescriptor dockProp = TypeDescriptor.GetProperties(ToolStrip)["Dock"];
dockProp?.SetValue(ToolStrip, DockStyle.None);
}
// Set up parenting and all the base functionality.
if (parentPanel is null || ToolStrip is MenuStrip)
{
base.InitializeNewComponent(defaultValues);
}
if (parentFormDesigner is not null)
{
// Set MainMenuStrip property
if (ToolStrip is MenuStrip)
{
PropertyDescriptor mainMenuStripProperty = TypeDescriptor.GetProperties(parentForm)["MainMenuStrip"];
if (mainMenuStripProperty is not null && mainMenuStripProperty.GetValue(parentForm) is null)
{
mainMenuStripProperty.SetValue(parentForm, ToolStrip as MenuStrip);
}
}
}
if (parentPanel is not null)
{
if (ToolStrip is not MenuStrip)
{
PropertyDescriptor controlsProp = TypeDescriptor.GetProperties(parentPanel)["Controls"];
ComponentChangeService.OnComponentChanging(parentPanel, controlsProp);
parentPanel.Join(ToolStrip, parentPanel.Rows.Length);
ComponentChangeService.OnComponentChanged(parentPanel, controlsProp, parentPanel.Controls, parentPanel.Controls);
// Try to fire ComponentChange on the Location Property for ToolStrip.
PropertyDescriptor locationProp = TypeDescriptor.GetProperties(ToolStrip)["Location"];
ComponentChangeService.OnComponentChanging(ToolStrip, locationProp);
ComponentChangeService.OnComponentChanged(ToolStrip, locationProp);
}
}
// If we are added to any container other than ToolStripPanel.
else if (parent is not null)
{
// If we are adding the MenuStrip ... put it at the Last in the Controls Collection so it gets laid out first.
if (ToolStrip is MenuStrip)
{
int index = -1;
foreach (Control c in parent.Controls)
{
if (c is ToolStrip && (c != ToolStrip))
{
index = parent.Controls.IndexOf(c);
}
}
if (index == -1)
{
// always place the toolStrip first.
index = parent.Controls.Count - 1;
}
parent.Controls.SetChildIndex(ToolStrip, index);
}
// If we are not a MenuStrip then we still need to be first to be laid out "after the menuStrip"
else
{
int index = -1;
foreach (Control c in parent.Controls)
{
// If we found an existing toolstrip (and not a menuStrip) then we can just return ..
// the base would have done correct parenting for us.
MenuStrip menu = c as MenuStrip;
if (c is ToolStrip && menu is null)
{
return;
}
if (menu is not null)
{
index = parent.Controls.IndexOf(c);
break;
}
}
if (index == -1)
{
// always place the toolStrip first.
index = parent.Controls.Count;
}
parent.Controls.SetChildIndex(ToolStrip, index - 1);
}
}
}
/// <summary>
/// Setup the "AddNewItem" button
/// </summary>
private void InitializeNewItemDropDown()
{
if (!CanAddItems || !SupportEditing)
{
return;
}
AddNewTemplateNode();
// Set up the right visibility state for the ToolStrip.
SelSvc_SelectionChanged(null, EventArgs.Empty);
}
/// <summary>
/// This is called to ascertain if the Glyph is totally visible. This is called from ToolStripMenuItemDesigner too.
/// </summary>
internal static bool IsGlyphTotallyVisible(Rectangle itemBounds, Rectangle parentBounds)
{
return parentBounds.Contains(itemBounds);
}
/// <summary>
/// Returns true if the item is on the overflow.
/// </summary>
private static bool ItemParentIsOverflow(ToolStripItem item)
{
ToolStripDropDown topmost = item.Owner as ToolStripDropDown;
if (topmost is not null)
{
// walk back up the chain of windows to get the topmost
while (topmost is not null and not ToolStripOverflow)
{
topmost = topmost?.OwnerItem.GetCurrentParent() as ToolStripDropDown;
}
}
return (topmost is ToolStripOverflow);
}
/// <summary>
/// Sets up the add new button, and invalidates the behavior glyphs if needed so they always stay in sync.
/// </summary>
private void LayoutToolStrip()
{
if (!_disposed)
{
ToolStrip.PerformLayout();
}
}
internal static string NameFromText(string text, Type componentType, IServiceProvider serviceProvider, bool adjustCapitalization)
{
string name = NameFromText(text, componentType, serviceProvider);
if (adjustCapitalization)
{
string nameOfRandomItem = NameFromText(null, typeof(ToolStripMenuItem),
serviceProvider);
if (!string.IsNullOrEmpty(nameOfRandomItem) && char.IsUpper(nameOfRandomItem[0]))
{
name = char.ToUpper(name[0], CultureInfo.InvariantCulture) + name[1..];
}
}
return name;
}
/// <summary>
/// Computes a name from a text label by removing all spaces and non-alphanumeric characters.
/// </summary>
internal static string NameFromText(string text, Type componentType, IServiceProvider serviceProvider)
{
if (serviceProvider is null)
{
return null;
}
INameCreationService nameCreate = serviceProvider.GetService(typeof(INameCreationService)) as INameCreationService;
IContainer container = (IContainer)serviceProvider.GetService(typeof(IContainer));
string defaultName;
if (nameCreate is not null && container is not null)
{
defaultName = nameCreate.CreateName(container, componentType);
}
else
{
return null;
}
Debug.Assert(defaultName is not null && defaultName.Length > 0, "Couldn't create default name for item");
if (text is null || text.Length == 0 || text == "-")
{
return defaultName;
}
string nameSuffix = componentType.Name;
// remove all the non letter and number characters. Append length of the item name...
Text.StringBuilder name = new(text.Length + nameSuffix.Length);
bool nextCharToUpper = false;
for (int i = 0; i < text.Length; i++)
{
char c = text[i];
if (nextCharToUpper)
{
if (char.IsLower(c))
{
c = char.ToUpper(c, CultureInfo.CurrentCulture);
}
nextCharToUpper = false;
}
if (char.IsLetterOrDigit(c))
{
if (name.Length == 0)
{
if (char.IsDigit(c))
{
// most languages don't allow a digit as the first char in an identifier.
continue;
}
if (char.IsLower(c) != char.IsLower(defaultName[0]))
{
// match up the first char of the generated identifier with the case of the default.
c = char.IsLower(c)
? char.ToUpper(c, CultureInfo.CurrentCulture)
: char.ToLower(c, CultureInfo.CurrentCulture);
}
}
name.Append(c);
}
else
{
if (char.IsWhiteSpace(c))
{
nextCharToUpper = true;
}
}
}
if (name.Length == 0)
{
return defaultName;
}
name.Append(nameSuffix);
string baseName = name.ToString();
// verify we have a valid name. If not, start appending numbers if it matches one in the container.
// see if this name matches another one in the container..
object existingComponent = container.Components[baseName];
if (existingComponent is null)
{
if (!nameCreate.IsValidName(baseName))
{
// we don't have a name collision but this still isn't a valid name...
// something is wrong and we can't make a valid identifier out of this so bail.
return defaultName;
}
else
{
return baseName;
}
}
else
{
// start appending numbers.
string newName = baseName;
for (int indexer = 1; !nameCreate.IsValidName(newName) || container.Components[newName] is not null; indexer++)
{
newName = $"{baseName}{indexer}";
}
return newName;
}
}
/// <summary>
/// DesignerContextMenu should be shown when the ToolStripDesigner.
/// </summary>
protected override void OnContextMenu(int x, int y)
{
Component selComp = SelectionService.PrimarySelection as Component;
if (selComp is ToolStrip)
{
DesignerContextMenu.Show(x, y);
}
}
protected override void OnDragEnter(DragEventArgs de)
{
base.OnDragEnter(de);
SetDragDropEffects(de);
}
protected override void OnDragOver(DragEventArgs de)
{
base.OnDragOver(de);
SetDragDropEffects(de);
}
/// <summary>
/// Add item on Drop and it its a MenuItem, open its dropDown.
/// </summary>
protected override void OnDragDrop(DragEventArgs de)
{
base.OnDragDrop(de);
// There is a "drop region" before firstItem which is not included in the "ToolStrip Item glyphs"
// so if the drop point falls in this drop region we should insert the items at the head instead
// of the tail of the toolStrip.
bool dropAtHead = false;
ToolStrip parentToolStrip = ToolStrip;
Point offset = new(de.X, de.Y);
offset = parentToolStrip.PointToClient(offset);
if (ToolStrip.Orientation == Orientation.Horizontal)
{
if (ToolStrip.RightToLeft == RightToLeft.Yes)
{
if (offset.X >= parentToolStrip.Items[0].Bounds.X)
{
dropAtHead = true;
}
}
else if (offset.X <= parentToolStrip.Items[0].Bounds.X)
{
dropAtHead = true;
}
}
else
{
if (offset.Y <= parentToolStrip.Items[0].Bounds.Y)
{
dropAtHead = true;
}
}
if (!(de.Data is ToolStripItemDataObject data) || data.Owner != parentToolStrip)
{
return;
}
string transDesc;
List<ToolStripItem> dragComponents = data.DragComponents;
ToolStripItem primaryItem = data.PrimarySelection;
int primaryIndex = -1;
bool copy = (de.Effect == DragDropEffects.Copy);
if (dragComponents.Count == 1)
{
string name = TypeDescriptor.GetComponentName(dragComponents[0]);
if (name is null || name.Length == 0)
{
name = dragComponents[0].GetType().Name;
}
transDesc = string.Format(copy ? SR.BehaviorServiceCopyControl : SR.BehaviorServiceMoveControl, name);
}
else
{
transDesc = string.Format(copy ? SR.BehaviorServiceCopyControls : SR.BehaviorServiceMoveControls, dragComponents.Count);
}
// create a transaction so this happens as an atomic unit.
DesignerTransaction changeParent = _host.CreateTransaction(transDesc);
try
{
if (TryGetService(out IComponentChangeService changeService))
{
changeService.OnComponentChanging(parentToolStrip, TypeDescriptor.GetProperties(parentToolStrip)["Items"]);
}
IReadOnlyList<IComponent> components;
// If we are copying, then we want to make a copy of the components we are dragging
if (copy)
{
// Remember the primary selection if we had one
if (primaryItem is not null)
{
primaryIndex = dragComponents.IndexOf(primaryItem);
}
if (KeyboardHandlingService is not null)
{
KeyboardHandlingService.CopyInProgress = true;
}
components = DesignerUtils.CopyDragObjects(dragComponents, Component.Site);
if (KeyboardHandlingService is not null)
{
KeyboardHandlingService.CopyInProgress = false;
}
if (primaryIndex != -1)
{
primaryItem = components[primaryIndex] as ToolStripItem;
}
}
else
{
components = dragComponents;
}
if (de.Effect == DragDropEffects.Move || copy)
{
// Add the item.
for (int i = 0; i < components.Count; i++)
{
if (dropAtHead)
{
parentToolStrip.Items.Insert(0, components[i] as ToolStripItem);
}
else
{
parentToolStrip.Items.Add(components[i] as ToolStripItem);
}
}
// show the dropDown for the primarySelection before the Drag-Drop operation started.
if (primaryItem is ToolStripDropDownItem primaryDropDownItem)
{
if (_host.GetDesigner(primaryDropDownItem) is ToolStripMenuItemDesigner dropDownItemDesigner)
{
dropDownItemDesigner.InitializeDropDown();
}
}
// Set the Selection ..
SelectionService.SetSelectedComponents(new IComponent[] { primaryItem }, SelectionTypes.Primary | SelectionTypes.Replace);
}
changeService?.OnComponentChanged(parentToolStrip, TypeDescriptor.GetProperties(parentToolStrip)["Items"]);
// Fire extra changing/changed events so that the order is "restored" after undo/redo
if (copy)
{
if (changeService is not null)
{
changeService.OnComponentChanging(parentToolStrip, TypeDescriptor.GetProperties(parentToolStrip)["Items"]);
changeService.OnComponentChanged(parentToolStrip, TypeDescriptor.GetProperties(parentToolStrip)["Items"]);
}
}
// Refresh Glyphs...
BehaviorService.SyncSelection();
}
catch
{
if (changeParent is not null)
{
changeParent.Cancel();
changeParent = null;
}
}
finally
{
changeParent?.Commit();
}
}
/// <summary>
/// Every time we add Item .. the TemplateNode needs to go at the end if its not there.
/// </summary>
private void OnItemAdded(object sender, ToolStripItemEventArgs e)
{
if (_editorNode is not null && (e.Item != _editorNode))
{
int currentIndexOfEditor = ToolStrip.Items.IndexOf(_editorNode);
if (currentIndexOfEditor == -1 || currentIndexOfEditor != ToolStrip.Items.Count - 1)
{
// if the editor is not there or not at the end, add it to the end.
ToolStrip.SuspendLayout();
ToolStrip.Items.Add(_editorNode);
ToolStrip.ResumeLayout();
}
}
LayoutToolStrip();
}
/// <summary>
/// Overridden so that the ToolStrip honors dragging only through container selector glyph.
/// </summary>
protected override void OnMouseDragMove(int x, int y)
{
if (!SelectionService.GetComponentSelected(ToolStrip))
{
base.OnMouseDragMove(x, y);
}
}
/// <summary>
/// Controls the dismissal of the drop down, here - we just cancel it
/// </summary>
private void OnOverflowDropDownClosing(object sender, ToolStripDropDownClosingEventArgs e)
{
// always dismiss this so we don't collapse the dropdown when the user clicks @ design time
e.Cancel = (e.CloseReason == ToolStripDropDownCloseReason.ItemClicked);
}
/// <summary>
/// Remove the Glyphs for Items on the overflow when the Overflow closes.
/// </summary>
private void OnOverFlowDropDownClosed(object sender, EventArgs e)
{
if (_toolStripAdornerWindowService is not null && sender is ToolStripDropDownItem ddi)
{
_toolStripAdornerWindowService.Invalidate(ddi.DropDown.Bounds);
RemoveBodyGlyphsForOverflow();
}
// select the last item on the parent toolStrip if the current selection is on the DropDown.
if (SelectionService.PrimarySelection is ToolStripItem curSel && curSel.IsOnOverflow)
{
ToolStripItem nextItem = ToolStrip.GetNextItem(ToolStrip.OverflowButton, ArrowDirection.Left);
if (nextItem is not null)
{
SelectionService.SetSelectedComponents(new IComponent[] { nextItem }, SelectionTypes.Replace);
}
}
}
/// <summary>
/// Add Glyphs when the OverFlow opens ....
/// </summary>
private void OnOverFlowDropDownOpened(object sender, EventArgs e)
{
// Show the TemplateNode
if (_editorNode is not null)
{
_editorNode.Control.Visible = true;
_editorNode.Visible = true;
}
ToolStripDropDownItem ddi = sender as ToolStripDropDownItem;
if (ddi is not null)
{
RemoveBodyGlyphsForOverflow();
AddBodyGlyphsForOverflow();
}
// select the last item on the parent toolStrip if the current selection is on the DropDown.
if (!(SelectionService.PrimarySelection is ToolStripItem curSel) || (curSel is not null && !curSel.IsOnOverflow))
{
ToolStripItem nextItem = ddi.DropDown.GetNextItem(null, ArrowDirection.Down);
if (nextItem is not null)
{
SelectionService.SetSelectedComponents(new IComponent[] { nextItem }, SelectionTypes.Replace);
BehaviorService.Invalidate(BehaviorService.ControlRectInAdornerWindow(ToolStrip));
}
}
}
/// <summary>
/// In Order to Draw the Selection Glyphs we need to reforce painting on the AdornerWindow. This method forces the repaint
/// </summary>
private void OnOverFlowDropDownPaint(object sender, PaintEventArgs e)
{
foreach (ToolStripItem item in ToolStrip.Items)
{
if (item.Visible
&& item.IsOnOverflow
&& SelectionService.GetComponentSelected(item)
&& _host.GetDesigner(item) is ToolStripItemDesigner designer)
{
Rectangle r = designer.GetGlyphBounds();
ToolStripDesignerUtils.GetAdjustedBounds(item, ref r);
r.Inflate(GLYPHBORDER, GLYPHBORDER);
// This will allow any Glyphs to re-paint after this control and its designer has painted
GetService<BehaviorService>()?.ProcessPaintMessage(r);
}
}
}
/// <summary>
/// Change the parent of the overFlow so that it is parented to the ToolStripAdornerWindow
/// </summary>
private void OnOverFlowDropDownOpening(object sender, EventArgs e)
{
ToolStripDropDownItem ddi = sender as ToolStripDropDownItem;
if (ddi.DropDown.TopLevel)
{
ddi.DropDown.TopLevel = false;
}
if (_toolStripAdornerWindowService is not null)
{
ToolStrip.SuspendLayout();
ddi.DropDown.Parent = _toolStripAdornerWindowService.ToolStripAdornerWindowControl;
ToolStrip.ResumeLayout();
}
}
/// <summary>
/// When Items change the size, Recalculate the glyph sizes.
/// </summary>
private void OnOverflowDropDownResize(object sender, EventArgs e)
{
ToolStripDropDown dropDown = sender as ToolStripDropDown;
if (dropDown.Visible)
{
// Re-Add the Glyphs to refresh the bounds... and Add new ones if new items get pushed into the OverFlow.
RemoveBodyGlyphsForOverflow();
AddBodyGlyphsForOverflow();
}
if (_toolStripAdornerWindowService is not null && dropDown is not null)
{
_toolStripAdornerWindowService.Invalidate();
}
}
/// <summary>
/// Set proper cursor
/// </summary>
protected override void OnSetCursor()
{
_toolboxService ??= GetService<IToolboxService>();
if (_toolboxService is null
|| !_toolboxService.SetCursor()
|| InheritanceAttribute.Equals(InheritanceAttribute.InheritedReadOnly))
{
Cursor.Current = Cursors.Default;
}
}
/// <summary>
/// ResumeLayout after Undone.
/// </summary>
private void OnUndone(object source, EventArgs e)
{
if (_editorNode is not null && (ToolStrip.Items.IndexOf(_editorNode) == -1))
{
ToolStrip.Items.Add(_editorNode);
}
if (_undoingCalled)
{
// StatusStrip required a ResumeLayout and then a performLayout... So that the Layout is proper after any user-transaction UNDONE.
ToolStrip.ResumeLayout(true/*performLayout*/);
ToolStrip.PerformLayout();
// ReInitialize the Glyphs after Layout is resumed !!
if (SelectionService.PrimarySelection is ToolStripDropDownItem selectedItem)
{
if (_host.GetDesigner(selectedItem) is ToolStripMenuItemDesigner selectedItemDesigner)
{
selectedItemDesigner.InitializeBodyGlyphsForItems(false, selectedItem);
selectedItemDesigner.InitializeBodyGlyphsForItems(true, selectedItem);
}
}
_undoingCalled = false;
}
BehaviorService.SyncSelection();
}
/// <summary>
/// SuspendLayout before unDoing.
/// </summary>
private void OnUndoing(object source, EventArgs e)
{
if (CheckIfItemSelected() || SelectionService.GetComponentSelected(ToolStrip))
{
_undoingCalled = true;
ToolStrip.SuspendLayout();
}
}
/// <summary>
/// SyncSelection on ToolStrip move.
/// </summary>
private void OnToolStripMove(object sender, EventArgs e)
{
if (SelectionService.GetComponentSelected(ToolStrip))
{
BehaviorService.SyncSelection();
}
}
/// <summary>
/// Remove all the glyphs we were are not visible..
/// </summary>
private void OnToolStripVisibleChanged(object sender, EventArgs e)
{
if (sender is ToolStrip tool && !tool.Visible)
{
SelectionManager selectionManager = GetService<SelectionManager>();
Glyph[] currentBodyGlyphs = new Glyph[selectionManager.BodyGlyphAdorner.Glyphs.Count];
selectionManager.BodyGlyphAdorner.Glyphs.CopyTo(currentBodyGlyphs, 0);
// Remove the ToolStripItemGlyphs.
foreach (Glyph g in currentBodyGlyphs)
{
if (g is ToolStripItemGlyph)
{
selectionManager.BodyGlyphAdorner.Glyphs.Remove(g);
}
}
}
}
/// <summary>
/// Allows a designer to filter the set of properties the component it is designing will expose through
/// the TypeDescriptor object. This method is called immediately before its corresponding "Post" method.
/// If you are overriding this method you should call the base implementation before
/// you perform your own filtering.
/// </summary>
protected override void PreFilterProperties(IDictionary properties)
{
base.PreFilterProperties(properties);
PropertyDescriptor prop;
string[] shadowProps =
[
"Visible",
"AllowDrop",
"AllowItemReorder"
];
Attribute[] empty = [];
for (int i = 0; i < shadowProps.Length; i++)
{
prop = (PropertyDescriptor)properties[shadowProps[i]];
if (prop is not null)
{
properties[shadowProps[i]] = TypeDescriptor.CreateProperty(typeof(ToolStripDesigner), prop, empty);
}
}
}
/// <summary>
/// Remove the glyphs for individual items on the DropDown.
/// </summary>
private void RemoveBodyGlyphsForOverflow()
{
// now walk the ToolStrip and add glyphs for each of it's children
foreach (ToolStripItem item in ToolStrip.Items)
{
if (item is DesignerToolStripControlHost)
{
continue;
}
// make sure it's on the Overflow...
if (item.Placement == ToolStripItemPlacement.Overflow)
{
ToolStripItemDesigner dropDownItemDesigner = (ToolStripItemDesigner)_host.GetDesigner(item);
if (dropDownItemDesigner is not null)
{
ControlBodyGlyph glyph = dropDownItemDesigner._bodyGlyph;
if (glyph is not null && _toolStripAdornerWindowService is not null && _toolStripAdornerWindowService.DropDownAdorner.Glyphs.Contains(glyph))
{
_toolStripAdornerWindowService.DropDownAdorner.Glyphs.Remove(glyph);
}
}
}
}
}
/// <summary>
/// Called from the ToolStripItemGlyph to roll back the TemplateNode Edition on the Parent ToolStrip.
/// </summary>
internal void RollBack()
{
if (_tn is not null)
{
_tn.RollBack();
_editorNode.Width = _tn.EditorToolStrip.Width;
}
}
/// <summary>
/// Resets the ToolStrip Visible to be the default value
/// </summary>
private void ResetVisible()
{
Visible = true;
}
/// <summary>
/// When the Drag Data does not contain ToolStripItem; change the dragEffect to None;
/// This will result current cursor to change into NO-SMOKING cursor.
/// </summary>
private void SetDragDropEffects(DragEventArgs de)
{
if (de.Data is ToolStripItemDataObject data)
{
if (data.Owner != ToolStrip)
{
de.Effect = DragDropEffects.None;
}
else
{
de.Effect = (Control.ModifierKeys == Keys.Control) ? DragDropEffects.Copy : DragDropEffects.Move;
}
}
}
/// <summary>
/// When selection changes to the ToolStrip, show the "AddItemsButton", when it leaves, hide it.
/// </summary>
private void SelSvc_SelectionChanging(object sender, EventArgs e)
{
if (_toolStripSelected)
{
// first commit the node
if (_tn is not null && _tn.Active)
{
_tn.Commit(false, false);
}
}
bool showToolStrip = CheckIfItemSelected();
// Check All the SelectedComponents to find is toolstrips are selected
if (!showToolStrip && !SelectionService.GetComponentSelected(ToolStrip))
{
ToolStrip.Visible = _currentVisible;
if (!_currentVisible && _parentNotVisible)
{
ToolStrip.Parent.Visible = _currentVisible;
_parentNotVisible = false;
}
if (ToolStrip.OverflowButton.DropDown.Visible)
{
ToolStrip.OverflowButton.HideDropDown();
}
// Always Hide the EditorNode if the ToolStrip Is Not Selected...
if (_editorNode is not null)
{
_editorNode.Visible = false;
}
// Show Hide Items...
ShowHideToolStripItems(false);
_toolStripSelected = false;
}
}
/// <summary>
/// When selection changes to the ToolStrip, show the "AddItemsButton", when it leaves, hide it.
/// </summary>
private void SelSvc_SelectionChanged(object sender, EventArgs e)
{
if (_miniToolStrip is not null && _host is not null)
{
bool itemSelected = CheckIfItemSelected();
bool showToolStrip = itemSelected || SelectionService.GetComponentSelected(ToolStrip);
// Check All the SelectedComponents to find is toolstrips are selected
if (showToolStrip)
{
// If now the ToolStrip is selected,, Hide its Overflow
if (SelectionService.GetComponentSelected(ToolStrip))
{
if (!DontCloseOverflow && ToolStrip.OverflowButton.DropDown.Visible)
{
ToolStrip.OverflowButton.HideDropDown();
}
}
// Show Hide Items...
ShowHideToolStripItems(true);
if (!_currentVisible || !Control.Visible)
{
// Since the control wasn't visible make it visible
Control.Visible = true;
// make the current parent visible too.
if (ToolStrip.Parent is ToolStripPanel && !ToolStrip.Parent.Visible)
{
_parentNotVisible = true;
ToolStrip.Parent.Visible = true;
}
// Since the GetBodyGlyphs is called before we come here in this case where the ToolStrip
// is going from visible==false to visible==true we need to re-add the glyphs for the items.
BehaviorService.SyncSelection();
}
// Always Show the EditorNode if the ToolStripIsSelected and is PrimarySelection or one of item is selected.
if (_editorNode is not null && (SelectionService.PrimarySelection == ToolStrip || itemSelected))
{
bool originalSyncSelection = FireSyncSelection;
try
{
FireSyncSelection = true;
_editorNode.Visible = true;
}
finally
{
FireSyncSelection = originalSyncSelection;
}
}
// REQUIRED FOR THE REFRESH OF GLYPHS BUT TRY TO BE SMART ABOUT THE REGION TO INVALIDATE....
if (SelectionService.PrimarySelection is not ToolStripItem selectedItem)
{
if (KeyboardHandlingService is not null)
{
selectedItem = KeyboardHandlingService.SelectedDesignerControl as ToolStripItem;
}
}
_toolStripSelected = true;
}
}
}
/// <summary>
/// Determines when should the Visible property be serialized.
/// </summary>
private bool ShouldSerializeVisible() => !Visible;
/// <summary>
/// Determines when should the AllowDrop property be serialized.
/// </summary>
private bool ShouldSerializeAllowDrop() => (bool)ShadowProperties[nameof(AllowDrop)];
/// <summary>
/// Determines when should the AllowItemReorder property be serialized.
/// </summary>
private bool ShouldSerializeAllowItemReorder() => (bool)ShadowProperties[nameof(AllowItemReorder)];
/// <summary>
/// This is the method that gets called when the Designer has to show the InSitu Edit Node,
/// </summary>
internal void ShowEditNode(bool clicked)
{
// SPECIAL LOGIC TO MIMIC THE MAINMENU BEHAVIOR.. PUSH THE TEMPLATE NODE and ADD A MENUITEM HERE...
if (ToolStrip is MenuStrip)
{
// The TemplateNode should no longer be selected.
KeyboardHandlingService?.ResetActiveTemplateNodeSelectionState();
try
{
ToolStripItem newItem = AddNewItem(typeof(ToolStripMenuItem));
if (newItem is not null)
{
if (_host.GetDesigner(newItem) is ToolStripItemDesigner newItemDesigner)
{
newItemDesigner._dummyItemAdded = true;
((ToolStripMenuItemDesigner)newItemDesigner).InitializeDropDown();
try
{
_addingDummyItem = true;
newItemDesigner.ShowEditNode(clicked);
}
finally
{
_addingDummyItem = false;
}
}
}
}
catch (InvalidOperationException ex)
{
Debug.Assert(NewItemTransaction is null, "NewItemTransaction should have been nulled out and cancelled by now.");
GetService<IUIService>().ShowError(ex.Message);
KeyboardHandlingService?.ResetActiveTemplateNodeSelectionState();
}
}
}
// Helper function to toggle the Item Visibility
private void ShowHideToolStripItems(bool toolStripSelected)
{
// If we aren't Selected then turn the TOPLEVEL ITEMS visibility WYSIWYG
foreach (ToolStripItem item in ToolStrip.Items)
{
if (item is DesignerToolStripControlHost)
{
continue;
}
// Get the itemDesigner...
ToolStripItemDesigner itemDesigner = (ToolStripItemDesigner)_host.GetDesigner(item);
itemDesigner?.SetItemVisible(toolStripSelected, this);
}
if (FireSyncSelection)
{
BehaviorService.SyncSelection();
FireSyncSelection = false;
}
}
// this is required when addition of TemplateNode causes the toolStrip to Layout .. E.g : Spring ToolStripStatusLabel.
private void ToolStrip_LayoutCompleted(object sender, EventArgs e)
{
if (FireSyncSelection)
{
BehaviorService.SyncSelection();
}
}
/// <summary>
/// Make sure the AddItem button stays in the right spot.
/// </summary>
private void ToolStrip_Resize(object sender, EventArgs e)
{
if (!_addingDummyItem && !_disposed && (CheckIfItemSelected() || SelectionService.GetComponentSelected(ToolStrip)))
{
if (_miniToolStrip is not null && _miniToolStrip.Visible)
{
LayoutToolStrip();
}
BehaviorService.SyncSelection();
}
}
/// <summary>
/// Handle lower level mouse input.
/// </summary>
protected override void WndProc(ref Message m)
{
switch (m.MsgInternal)
{
case PInvokeCore.WM_CONTEXTMENU:
if (GetHitTest(PARAM.ToPoint(m.LParamInternal)))
{
return;
}
base.WndProc(ref m);
break;
case PInvokeCore.WM_LBUTTONDOWN:
case PInvokeCore.WM_RBUTTONDOWN:
// commit any InSitu if any...
Commit();
base.WndProc(ref m);
break;
default:
base.WndProc(ref m);
break;
}
}
}
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