99 lines
3.2 KiB
C#
99 lines
3.2 KiB
C#
using Robust.Client.AutoGenerated;
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using Robust.Client.Graphics;
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using Robust.Client.UserInterface.Controls;
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using Robust.Client.UserInterface.XAML;
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using Robust.Shared.Utility;
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namespace Content.Client.ContextMenu.UI
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{
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/// <summary>
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/// This is a basic entry in a context menu. It has a label and room for some sort of icon on the left.
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/// If this entry has a sub-menu, it also shows a little ">" icon on the right.
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/// </summary>
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[GenerateTypedNameReferences]
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[Virtual]
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public partial class ContextMenuElement : ContainerButton
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{
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public const string StyleClassContextMenuButton = "contextMenuButton";
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public const string StyleClassContextMenuExpansionTexture = "contextMenuExpansionTexture";
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public const string StyleClassEntityMenuIconLabel = "contextMenuIconLabel";
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public const float ElementMargin = 2;
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public const float ElementHeight = 32;
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/// <summary>
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/// The menu that contains this element
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/// </summary>
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public ContextMenuPopup? ParentMenu;
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private ContextMenuPopup? _subMenu;
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/// <summary>
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/// The pop-up menu that is opened when hovering over this element.
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/// </summary>
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public ContextMenuPopup? SubMenu
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{
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get => _subMenu;
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set
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{
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_subMenu = value;
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ExpansionIndicator.Visible = _subMenu != null;
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}
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}
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/// <summary>
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/// Convenience property to set label text.
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/// </summary>
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public virtual string Text { set => Label.SetMessage(FormattedMessage.FromMarkupPermissive(value.Trim())); }
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public ContextMenuElement(string? text = null)
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{
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RobustXamlLoader.Load(this);
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Margin = new Thickness(ElementMargin, ElementMargin, ElementMargin, ElementMargin);
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SetOnlyStyleClass(StyleClassContextMenuButton);
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if (text != null)
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Text = text;
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}
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protected override void Dispose(bool disposing)
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{
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base.Dispose(disposing);
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_subMenu?.Dispose();
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_subMenu = null;
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ParentMenu = null;
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}
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protected override void Draw(DrawingHandleScreen handle)
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{
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UpdateStyle();
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base.Draw(handle);
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}
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/// <summary>
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/// If this element's sub-menu is currently visible, give it the hovered pseudo class.
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/// </summary>
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/// <remarks>
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/// Basically: if we are in a sub menu, keep the element in the parent menu highlighted even though we are
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/// not actually hovering over it.
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/// </remarks>
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protected virtual void UpdateStyle()
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{
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if ((_subMenu?.Visible ?? false) && !HasStylePseudoClass(StylePseudoClassHover))
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{
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AddStylePseudoClass(StylePseudoClassHover);
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return;
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}
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if (DrawMode == DrawModeEnum.Hover)
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return;
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if (_subMenu?.Visible ?? true)
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return;
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if (HasStylePseudoClass(StylePseudoClassHover))
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RemoveStylePseudoClass(StylePseudoClassHover);
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}
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}
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}
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