Class ThemeResources

Namespace

FlowGraph.Avalonia.Rendering

Assembly

FlowGraph.Avalonia.dll

Provides theme-aware resource access for FlowCanvas components.

All colors can be customized by defining resources in your App.axaml:

<Application.Resources>
    <SolidColorBrush x:Key="FlowCanvasNodeBackground" Color="#2D2D30"/>
    <SolidColorBrush x:Key="FlowCanvasNodeBorder" Color="#4682B4"/>
    <!-- etc. -->
</Application.Resources>

Available resource keys:

• Canvas: FlowCanvasBackground, FlowCanvasGridColor
• Node: FlowCanvasNodeBackground, FlowCanvasNodeBorder, FlowCanvasNodeSelectedBorder, FlowCanvasNodeText
• Input Node: FlowCanvasInputNodeBackground, FlowCanvasInputNodeBorder, FlowCanvasInputNodeText, FlowCanvasInputNodeIcon
• Output Node: FlowCanvasOutputNodeBackground, FlowCanvasOutputNodeBorder, FlowCanvasOutputNodeText, FlowCanvasOutputNodeIcon
• Edge: FlowCanvasEdgeStroke, FlowCanvasEdgeSelectedStroke
• Port: FlowCanvasPortBackground, FlowCanvasPortBorder, FlowCanvasPortHover, FlowCanvasPortValidConnection, FlowCanvasPortInvalidConnection
• Group: FlowCanvasGroupBackground, FlowCanvasGroupBorder, FlowCanvasGroupLabelText
• Selection: FlowCanvasSelectionBoxFill, FlowCanvasSelectionBoxStroke
• Minimap: FlowCanvasMinimapBackground, FlowCanvasMinimapViewportFill, FlowCanvasMinimapViewportStroke

public class ThemeResources

Inheritance

object

ThemeResources

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Constructors

ThemeResources(StyledElement)

public ThemeResources(StyledElement element)

Parameters

element StyledElement

Properties

Background

public IBrush Background { get; }

Property Value

IBrush

EdgeSelectedStroke

public IBrush EdgeSelectedStroke { get; }

Property Value

IBrush

EdgeStroke

public IBrush EdgeStroke { get; }

Property Value

IBrush

GridColor

public IBrush GridColor { get; }

Property Value

IBrush

GroupBackground

public IBrush GroupBackground { get; }

Property Value

IBrush

GroupBodyBackground

public IBrush GroupBodyBackground { get; }

Property Value

IBrush

GroupBorder

public IBrush GroupBorder { get; }

Property Value

IBrush

GroupButtonBackground

Background for group collapse/expand button.

public IBrush GroupButtonBackground { get; }

Property Value

IBrush

GroupButtonHover

Hover background for group collapse/expand button.

public IBrush GroupButtonHover { get; }

Property Value

IBrush

GroupHeaderBackground

public IBrush GroupHeaderBackground { get; }

Property Value

IBrush

GroupHeaderHover

public IBrush GroupHeaderHover { get; }

Property Value

IBrush

GroupHeaderText

public IBrush GroupHeaderText { get; }

Property Value

IBrush

GroupLabelText

public IBrush GroupLabelText { get; }

Property Value

IBrush

HeaderedNodeBodyBackground

Body background color for headered nodes.

public IBrush HeaderedNodeBodyBackground { get; }

Property Value

IBrush

HeaderedNodeBorder

Border color for headered nodes.

public IBrush HeaderedNodeBorder { get; }

Property Value

IBrush

HeaderedNodeHeaderBackground

Header background color for headered nodes (semi-transparent glassy effect).

public IBrush HeaderedNodeHeaderBackground { get; }

Property Value

IBrush

HeaderedNodeHeaderText

Header text color for headered nodes.

public IBrush HeaderedNodeHeaderText { get; }

Property Value

IBrush

HeaderedNodeShadow

Shadow color for headered nodes.

public Color HeaderedNodeShadow { get; }

Property Value

Color

InputNodeBackground

public IBrush InputNodeBackground { get; }

Property Value

IBrush

InputNodeBorder

public IBrush InputNodeBorder { get; }

Property Value

IBrush

InputNodeIcon

public IBrush InputNodeIcon { get; }

Property Value

IBrush

InputNodeText

public IBrush InputNodeText { get; }

Property Value

IBrush

InteractiveAccent

Accent color for interactive controls (radio buttons, checkboxes, etc.). Falls back to PrimaryBrush from ShadUI theme, then to a default blue.

public IBrush InteractiveAccent { get; }

Property Value

IBrush

InteractiveMutedText

Foreground for muted/placeholder text in interactive nodes.

public IBrush InteractiveMutedText { get; }

Property Value

IBrush

InteractivePreviewBackground

Background for preview areas in interactive nodes.

public IBrush InteractivePreviewBackground { get; }

Property Value

IBrush

InteractivePreviewText

Foreground for preview placeholder text.

public IBrush InteractivePreviewText { get; }

Property Value

IBrush

InteractiveValueBackground

Background for value display containers (output nodes, etc.).

public IBrush InteractiveValueBackground { get; }

Property Value

IBrush

IsLightTheme

Determines if the current theme is light or dark. Cached for performance - call InvalidateThemeCache() if theme changes.

public bool IsLightTheme { get; }

Property Value

bool

MinimapBackground

public IBrush MinimapBackground { get; }

Property Value

IBrush

MinimapViewportFill

public IBrush MinimapViewportFill { get; }

Property Value

IBrush

MinimapViewportStroke

public IBrush MinimapViewportStroke { get; }

Property Value

IBrush

NodeBackground

public IBrush NodeBackground { get; }

Property Value

IBrush

NodeBorder

public IBrush NodeBorder { get; }

Property Value

IBrush

NodeHighlightedBorder

Border color for highlighted nodes (e.g., search results, analysis feedback). Default is yellow/amber for visibility.

public IBrush NodeHighlightedBorder { get; }

Property Value

IBrush

NodeSelectedBorder

public IBrush NodeSelectedBorder { get; }

Property Value

IBrush

NodeShadow

Shadow color for default nodes.

public Color NodeShadow { get; }

Property Value

Color

NodeText

public IBrush NodeText { get; }

Property Value

IBrush

OutputNodeBackground

public IBrush OutputNodeBackground { get; }

Property Value

IBrush

OutputNodeBorder

public IBrush OutputNodeBorder { get; }

Property Value

IBrush

OutputNodeIcon

public IBrush OutputNodeIcon { get; }

Property Value

IBrush

OutputNodeText

public IBrush OutputNodeText { get; }

Property Value

IBrush

PortBackground

public IBrush PortBackground { get; }

Property Value

IBrush

PortBorder

public IBrush PortBorder { get; }

Property Value

IBrush

PortHover

public IBrush PortHover { get; }

Property Value

IBrush

PortHoverBackground

Background color for hovered ports. Falls back to PortHover if not set.

public IBrush? PortHoverBackground { get; }

Property Value

IBrush

PortHoverBorder

Border color for hovered ports. Falls back to PortHover if not set.

public IBrush? PortHoverBorder { get; }

Property Value

IBrush

PortInvalidConnection

public IBrush PortInvalidConnection { get; }

Property Value

IBrush

PortValidConnection

public IBrush PortValidConnection { get; }

Property Value

IBrush

SelectionBoxFill

public IBrush SelectionBoxFill { get; }

Property Value

IBrush

SelectionBoxStroke

public IBrush SelectionBoxStroke { get; }

Property Value

IBrush

ToolbarBackground

Background for toolbars and floating UI elements.

public IBrush ToolbarBackground { get; }

Property Value

IBrush

ToolbarBorder

Border for toolbars and floating UI elements.

public IBrush ToolbarBorder { get; }

Property Value

IBrush

Methods

GetBrush(string, string)

Gets a brush resource with a fallback color.

public IBrush GetBrush(string key, string fallbackColor)

Parameters

key string

fallbackColor string

Returns

IBrush

GetColor(string, string)

Gets a color resource with a fallback value.

public Color GetColor(string key, string fallbackColor)

Parameters

key string

fallbackColor string

Returns

Color

GetResource<T>(string, T)

Gets a theme resource with a fallback value.

public T GetResource<T>(string key, T fallback) where T : class

Parameters

key string

fallback T

Returns

T

Type Parameters

T

InvalidateThemeCache()

Invalidates the cached theme detection. Call this when the theme changes.

public void InvalidateThemeCache()

TryGetBrush(string)

Tries to get a brush resource, returning null if not found.

public IBrush? TryGetBrush(string key)

Parameters

key string

Returns

IBrush

TryGetResource<T>(string)

Tries to get a resource, returning null if not found.

public T? TryGetResource<T>(string key) where T : class

Parameters

key string

Returns

T

Type Parameters

T