Package ghidra.service.graph

# Class GraphDisplayOptions

java.lang.Object
ghidra.service.graph.GraphDisplayOptions

All Implemented Interfaces:
  `OptionsChangeListener`

Direct Known Subclasses:
  `DefaultGraphDisplayOptions`, `ProgramGraphDisplayOptions`

public class GraphDisplayOptions extends Object implements OptionsChangeListener
Class for managing graph display options. This includes color options for each vertex and edge type and shapes for vertex types.

- ## Constructor Summary

  Constructors
  Modifier
  Constructor
  Description
  ``
  `GraphDisplayOptions(GraphType graphType)`
  Constructs a new GraphTypeDisplayOptions for the given `GraphType`
  `protected`
  `GraphDisplayOptions(GraphType graphType, Tool tool, HelpLocation help)`
  Constructs a new GraphTypeDisplayOptions for the given `GraphType` and initializes from tool options.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `addChangeListener(ChangeListener listener)`
  Adds a ChangeListener to be notified when display options change
  `protected void`
  `configureEdgeType(String edgeType, Color color)`
  Sets default values for edge types.
  `protected void`
  `configureEdgeType(String edgeType, String themeColorId)`
  Sets default values for edge types using theme color ids.
  `protected void`
  `configureVertexType(String vertexType, VertexShape vertexShape, Color color)`
  Sets default values for vertex types.
  `protected void`
  `configureVertexType(String vertexType, VertexShape vertexShape, String themeColorId)`
  Sets default values for vertex types using theme color ids.
  `void`
  `displayEditor(Tool tool, HelpLocation help)`
  Pop up a dialog for editing these graph display options.
  `int`
  `getArrowLength()`
  Returns the length of the arrow.
  `Color`
  `getDefaultEdgeColor()`
  Returns the default color for edges that don't have an edge type set
  `String`
  `getDefaultLayoutAlgorithmNameLayout()`
  Returns the name of the default graph layout algorithm
  `Color`
  `getDefaultVertexColor()`
  Returns the default color for vertices that don't have an vertex type set
  `VertexShape`
  `getDefaultVertexShape()`
  returns the `VertexShape` for any vertex that has not vertex type defined
  `Color`
  `getEdgeColor(AttributedEdge edge)`
  Returns the color that will be used to draw the edge
  `Color`
  `getEdgeColor(String edgeType)`
  Returns the color for the given edge type
  `String`
  `getEdgeColorOverrideAttributeKey()`
  Returns the attribute key that can be used to override the color of an edge
  `Integer`
  `getEdgePriority(String edgeType)`
  Returns the priority for the given edge type.
  `Color`
  `getEdgeSelectionColor()`
  Returns the color for edge selections
  `String`
  `getFavoredEdgeType()`
  Returns the edge type that is the preferred edge for layout purposes
  `Font`
  `getFont()`
  Returns the font being used to render vertex labels
  `GraphType`
  `getGraphType()`
  Returns the `GraphType` that this object provides display options for
  `GraphLabelPosition`
  `getLabelPosition()`
  Returns the label position relative to the vertex.
  `int`
  `getMaxNodeCount()`
  Returns the maximum number of nodes that can be in a displayed graph
  `String`
  `getRootOptionsName()`
  Returns the name for the root Options name for this `GraphDisplayOptions`
  `Color`
  `getVertexColor(AttributedVertex vertex)`
  Returns the color that will be used to draw the vertex
  `Color`
  `getVertexColor(String vertexType)`
  Returns the color for the given vertex type
  `String`
  `getVertexColorOverrideAttributeKey()`
  Returns the attribute key that can be used to override the color of a vertex.
  `String`
  `getVertexLabel(AttributedVertex vertex)`
  Returns the text that will be displayed as the label for the given vertex
  `String`
  `getVertexLabelOverride()`
  Returns the attribute key that can override the vertices label text
  `Color`
  `getVertexSelectionColor()`
  Returns the vertex selection color
  `VertexShape`
  `getVertexShape(AttributedVertex vertex)`
  Returns the `VertexShape` that will be used to draw the vertex's shape
  `VertexShape`
  `getVertexShape(String vertexType)`
  Returns the `VertexShape` for vertices that have the given vertex type
  `String`
  `getVertexShapeOverrideAttributeKey()`
  Returns the attribute key that can be used to override the shape of a vertex.
  `protected void`
  `initializeDefaults()`
  `void`
  `initializeFromOptions(Tool tool)`
  Loads values from tool options
  `boolean`
  `isRegisteredWithTool()`
  Returns true if this `GraphDisplayOptions` instance has been constructed with a tool for getting/saving option values in the tool options
  `void`
  `optionsChanged(ToolOptions options, String optionName, Object oldValue, Object newValue)`
  Notification that an option changed.
  `protected void`
  `registerOptions(Tool tool, HelpLocation help)`
  Registers this GraphTypeDisplayOptions with `ToolOptions`.
  `protected void`
  `registerOptions(ToolOptions toolOptions, HelpLocation help)`
  `void`
  `removeChangeListener(ChangeListener listener)`
  Removes the listener so that it won't be notified of changes any longer
  `void`
  `setArrowLength(int length)`
  Sets the length of the arrow.
  `void`
  `setDefaultEdgeColor(Color color)`
  Sets the default color to be used by edges that don't have a edge type set
  `void`
  `setDefaultEdgeColor(String themeColorId)`
  Sets the default color to be used by vertices that don't have a vertex type set.
  `void`
  `setDefaultLayoutAlgorithmName(String defaultLayout)`
  Sets the name of the default layout algorithm
  `void`
  `setDefaultVertexColor(Color color)`
  Sets the default color to be used by vertices that don't have a vertex type set
  `void`
  `setDefaultVertexColor(String themeColorId)`
  Sets the default color to be used by vertices that don't have a vertex type set.
  `void`
  `setDefaultVertexShape(VertexShape shape)`
  Sets the default shape to be used by vertices that don't have a vertex type set
  `void`
  `setEdgeColor(String edgeType, Color color)`
  Sets the color for edges with the given edge type
  `void`
  `setEdgeColor(String edgeType, String themeColorId)`
  Sets the edge color using a theme color id.
  `void`
  `setEdgeColorOverrideAttributeKey(String attributeKey)`
  Sets the attribute key that can be used to override the color for an edge.
  `void`
  `setEdgeSelectionColor(Color edgeSelectionColor)`
  Sets the edge selection color.
  `void`
  `setEdgeSelectionColor(String themeColorId)`
  Sets the edge selection color using the theme color defined by the given color id.
  `void`
  `setFavoredEdgeType(String favoredEdgeType)`
  Sets the favored edge type.
  `void`
  `setFont(Font font)`
  Sets the font to use for drawing vertex labels
  `void`
  `setFont(String themeFontId)`
  `void`
  `setLabelPosition(GraphLabelPosition labelPosition)`
  Sets the label position relative to the vertex.
  `void`
  `setMaxNodeCount(int maxNodeCount)`
  Sets the maximum number of nodes a graph can have and still be displayed.
  `void`
  `setUsesIcons(boolean b)`
  Sets whether the graph rendering mode is to use icons or not.
  `void`
  `setVertexColor(String vertexType, Color color)`
  Sets the color for vertices with the given vertex type.
  `void`
  `setVertexColor(String vertexType, String themeColorId)`
  Sets the vertex color using a theme color id.
  `void`
  `setVertexColorOverrideAttributeKey(String attributeKey)`
  Sets the attribute key that can be used to override the color for a vertex.
  `void`
  `setVertexLabelOverrideAttributeKey(String attributeKey)`
  Sets the attribute key that can be used to override the label text shown for the vertex.
  `void`
  `setVertexSelectionColor(Color vertexSelectionColor)`
  Sets the vertex selection color.
  `void`
  `setVertexSelectionColor(String themeColorId)`
  Sets the vertex selection color using the theme color defined by the given color id.
  `void`
  `setVertexShape(String vertexType, VertexShape vertexShape)`
  Sets the `VertexShape` to use for vertices with the given vertex type
  `void`
  `setVertexShapeOverrideAttributeKey(String attributeKey)`
  Sets the attribute key that can be used to override the shape for a vertex.
  `boolean`
  `usesIcons()`
  Returns true if the rendering mode is to use icons for the vertices.

  ### Methods inherited from class java.lang.Object

  `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- ## Constructor Details

  - ### GraphDisplayOptions

    public GraphDisplayOptions(GraphType graphType)
    Constructs a new GraphTypeDisplayOptions for the given `GraphType`
    Parameters:
      `graphType` - The `GraphType` for which to define display options

  - ### GraphDisplayOptions

    protected GraphDisplayOptions(GraphType graphType, Tool tool, HelpLocation help)
    Constructs a new GraphTypeDisplayOptions for the given `GraphType` and initializes from tool options. Note this form should only be used for display options on `GraphType`s that have options registered in the tool.
    Parameters:
      `graphType` - The `GraphType` for which to define display options
      `tool` - the tool from which to initialize from `ToolOptions`

- ## Method Details

  - ### initializeDefaults

    protected void initializeDefaults()

  - ### addChangeListener

    public void addChangeListener(ChangeListener listener)
    Adds a ChangeListener to be notified when display options change
    Parameters:
      `listener` - the listener to be notified.

  - ### removeChangeListener

    public void removeChangeListener(ChangeListener listener)
    Removes the listener so that it won't be notified of changes any longer
    Parameters:
      `listener` - the listener to be removed

  - ### setDefaultVertexShape

    public void setDefaultVertexShape(VertexShape shape)
    Sets the default shape to be used by vertices that don't have a vertex type set
    Parameters:
      `shape` - the default vertex shape

  - ### setDefaultVertexColor

    public void setDefaultVertexColor(Color color)
    Sets the default color to be used by vertices that don't have a vertex type set
    Parameters:
      `color` - the default vertex shape

  - ### setDefaultVertexColor

    public void setDefaultVertexColor(String themeColorId)
    Sets the default color to be used by vertices that don't have a vertex type set. The color is set via a themeColorId, which means the client defined a theme color for this.
    Parameters:
      `themeColorId` - the theme color id to use for the default vertex color

  - ### setDefaultEdgeColor

    public void setDefaultEdgeColor(Color color)
    Sets the default color to be used by edges that don't have a edge type set
    Parameters:
      `color` - the default edge shape

  - ### setDefaultEdgeColor

    public void setDefaultEdgeColor(String themeColorId)
    Sets the default color to be used by vertices that don't have a vertex type set. The color is set via a themeColorId, which means the client defined a theme color for this.
    Parameters:
      `themeColorId` - the theme color id to use for the default vertex color

  - ### getDefaultEdgeColor

    public Color getDefaultEdgeColor()
    Returns the default color for edges that don't have an edge type set
    Returns:
      the default color for edges that don't have an edge type set

  - ### getDefaultVertexColor

    public Color getDefaultVertexColor()
    Returns the default color for vertices that don't have an vertex type set
    Returns:
      the default color for vertices that don't have an vertex type set

  - ### setVertexLabelOverrideAttributeKey

    public void setVertexLabelOverrideAttributeKey(String attributeKey)
    Sets the attribute key that can be used to override the label text shown for the vertex. Normally, the vertex's name is shown as the label.
    Parameters:
      `attributeKey` - the attribute key that, if set, will be used to define the vertice's label

  - ### getVertexLabelOverride

    public String getVertexLabelOverride()
    Returns the attribute key that can override the vertices label text
    Returns:
      the attribute key that can override the vertices label text

  - ### setVertexColorOverrideAttributeKey

    public void setVertexColorOverrideAttributeKey(String attributeKey)
    Sets the attribute key that can be used to override the color for a vertex. Normally, the color is determined by the vertex type, which will be mapped to a color
    Parameters:
      `attributeKey` - the attribute key that, if set, will be used to define the vertice's color

  - ### setEdgeColorOverrideAttributeKey

    public void setEdgeColorOverrideAttributeKey(String attributeKey)
    Sets the attribute key that can be used to override the color for an edge. Normally, the color is determined by the edge type, which will be mapped to a color
    Parameters:
      `attributeKey` - the attribute key that, if set, will be used to define the edge's color

  - ### getEdgeColorOverrideAttributeKey

    public String getEdgeColorOverrideAttributeKey()
    Returns the attribute key that can be used to override the color of an edge
    Returns:
      the attribute key that can be used to override the color of an edge

  - ### setVertexShapeOverrideAttributeKey

    public void setVertexShapeOverrideAttributeKey(String attributeKey)
    Sets the attribute key that can be used to override the shape for a vertex. Normally, the shape is determined by the vertex type, which will be mapped to a shape
    Parameters:
      `attributeKey` - the attribute key that, if set, will be used to define the vertice's shape

  - ### getVertexLabel

    public String getVertexLabel(AttributedVertex vertex)
    Returns the text that will be displayed as the label for the given vertex
    Parameters:
      `vertex` - the vertex for which to get label text
    Returns:
      the text that will be displayed as the label for the given vertex

  - ### getVertexShape

    public VertexShape getVertexShape(AttributedVertex vertex)
    Returns the `VertexShape` that will be used to draw the vertex's shape
    Parameters:
      `vertex` - the vertex for which to get the shape
    Returns:
      the `VertexShape` that will be used to draw the vertex's shape

  - ### getVertexColor

    public Color getVertexColor(AttributedVertex vertex)
    Returns the color that will be used to draw the vertex
    Parameters:
      `vertex` - the vertex for which to get the color
    Returns:
      the color that will be used to draw the vertex

  - ### getEdgeColor

    public Color getEdgeColor(AttributedEdge edge)
    Returns the color that will be used to draw the edge
    Parameters:
      `edge` - the edge for which to get the color
    Returns:
      the color that will be used to draw the edge

  - ### getEdgePriority

    public Integer getEdgePriority(String edgeType)
    Returns the priority for the given edge type. This is used by layout algorithms to determine which edges should have more influence on the layout.
    Parameters:
      `edgeType` - the edge type for which to get it's priority
    Returns:
      the priority for the given edge type

  - ### getFavoredEdgeType

    public String getFavoredEdgeType()
    Returns the edge type that is the preferred edge for layout purposes
    Returns:
      the edge type that is the preferred edge for layout purposes

  - ### setFavoredEdgeType

    public void setFavoredEdgeType(String favoredEdgeType)
    Sets the favored edge type. The favored edge type is used to influence layout algorithms
    Parameters:
      `favoredEdgeType` - the edge type that is to be favored by layout algorithms

  - ### getGraphType

    public GraphType getGraphType()
    Returns the `GraphType` that this object provides display options for
    Returns:
      the `GraphType` that this object provides display options for

  - ### getVertexColor

    public Color getVertexColor(String vertexType)
    Returns the color for the given vertex type
    Parameters:
      `vertexType` - the vertex type to get the color for
    Returns:
      the color for the given vertex type

  - ### setVertexColor

    public void setVertexColor(String vertexType, Color color)
    Sets the color for vertices with the given vertex type. Note that this method does not allow the vertex color to be registered in tool options. See `setVertexColor(String, String)`.
    Parameters:
      `vertexType` - the vertex type for which to set its color
      `color` - the color to use for vertices with the given vertex type

  - ### setVertexColor

    public void setVertexColor(String vertexType, String themeColorId)
    Sets the vertex color using a theme color id. By using a theme color id, this property is eligible to be registered as a tool option.
    Parameters:
      `vertexType` - the vertex type for which to set its color
      `themeColorId` - the theme color id of the color for this vertex type

  - ### setVertexShape

    public void setVertexShape(String vertexType, VertexShape vertexShape)
    Sets the `VertexShape` to use for vertices with the given vertex type
    Parameters:
      `vertexType` - the vertex type for which to set its shape
      `vertexShape` - the `VertexShape` to use for vertices with the given vertex type

  - ### getEdgeColor

    public Color getEdgeColor(String edgeType)
    Returns the color for the given edge type
    Parameters:
      `edgeType` - the edge type whose color is to be determined.
    Returns:
      the color for the given edge type.

  - ### setEdgeColor

    public void setEdgeColor(String edgeType, String themeColorId)
    Sets the edge color using a theme color id. By using a theme color id, this property is eligible to be registered as a tool option.
    Parameters:
      `edgeType` - the edge type for which to set its color
      `themeColorId` - the theme color id of the color for this edge type

  - ### setEdgeColor

    public void setEdgeColor(String edgeType, Color color)
    Sets the color for edges with the given edge type
    Parameters:
      `edgeType` - the edge type for which to set its color
      `color` - the new color for edges with the given edge type

  - ### optionsChanged

    public void optionsChanged(ToolOptions options, String optionName, Object oldValue, Object newValue) throws OptionsVetoException
    Description copied from interface: `OptionsChangeListener`
    Notification that an option changed.

    Note: to reject an options change, you can throw a `OptionsVetoException`.

    Specified by:
      `optionsChanged` in interface `OptionsChangeListener`
    Parameters:
      `options` - options object containing the property that changed
      `optionName` - name of option that changed
      `oldValue` - old value of the option
      `newValue` - new value of the option
    Throws:
      `OptionsVetoException` - if a change is rejected

  - ### getRootOptionsName

    public String getRootOptionsName()
    Returns the name for the root Options name for this `GraphDisplayOptions`
    Returns:
      the name for the root Options name for this `GraphDisplayOptions`

  - ### getVertexColorOverrideAttributeKey

    public String getVertexColorOverrideAttributeKey()
    Returns the attribute key that can be used to override the color of a vertex. Normally, a vertex is colored based on its vertex type. However, if this value is non-null, a vertex can override its color by setting an attribute using this key name.
    Returns:
      the attribute key that can be used to override the color of a vertex

  - ### getVertexShapeOverrideAttributeKey

    public String getVertexShapeOverrideAttributeKey()
    Returns the attribute key that can be used to override the shape of a vertex. Normally, a vertex has a shape based on its vertex type. However, if this value is non-null, a vertex can override its shape by setting an attribute using this key name.
    Returns:
      the attribute key that can be used to override the shape of a vertex

  - ### getDefaultVertexShape

    public VertexShape getDefaultVertexShape()
    returns the `VertexShape` for any vertex that has not vertex type defined
    Returns:
      the `VertexShape` for any vertex that has not vertex type defined

  - ### getVertexShape

    public VertexShape getVertexShape(String vertexType)
    Returns the `VertexShape` for vertices that have the given vertex type
    Parameters:
      `vertexType` - the vertex type for which to get its asigned shape
    Returns:
      the `VertexShape` for vertices that have the given vertex type

  - ### getVertexSelectionColor

    public Color getVertexSelectionColor()
    Returns the vertex selection color
    Returns:
      the vertex selection color

  - ### setVertexSelectionColor

    public void setVertexSelectionColor(Color vertexSelectionColor)
    Sets the vertex selection color. Use this method only if this color does not appear in the tool options.
    Parameters:
      `vertexSelectionColor` - the color to use for highlighting selected vertices

  - ### setVertexSelectionColor

    public void setVertexSelectionColor(String themeColorId)
    Sets the vertex selection color using the theme color defined by the given color id. This method will allow the property to be registered to the tool options.
    Parameters:
      `themeColorId` - the color id to use for highlighting vertices.

  - ### getEdgeSelectionColor

    public Color getEdgeSelectionColor()
    Returns the color for edge selections
    Returns:
      the color fore edge selections

  - ### setEdgeSelectionColor

    public void setEdgeSelectionColor(Color edgeSelectionColor)
    Sets the edge selection color. Using the method means the color will not appear in the tool options.
    Parameters:
      `edgeSelectionColor` - color to use for highlighting selected edges

  - ### setEdgeSelectionColor

    public void setEdgeSelectionColor(String themeColorId)
    Sets the edge selection color using the theme color defined by the given color id. This method will allow the property to be registered to the tool options.
    Parameters:
      `themeColorId` - the color id to use for highlighting edges.

  - ### getDefaultLayoutAlgorithmNameLayout

    public String getDefaultLayoutAlgorithmNameLayout()
    Returns the name of the default graph layout algorithm
    Returns:
      the name of the default graph layout algorithms

  - ### setDefaultLayoutAlgorithmName

    public void setDefaultLayoutAlgorithmName(String defaultLayout)
    Sets the name of the default layout algorithm
    Parameters:
      `defaultLayout` - the name of the layout algorithm to use by default

  - ### usesIcons

    public boolean usesIcons()
    Returns true if the rendering mode is to use icons for the vertices. If using icons, the label is drawn inside the shape.
    Returns:
      true if the rendering mode is to use icons.

  - ### setUsesIcons

    public void setUsesIcons(boolean b)
    Sets whether the graph rendering mode is to use icons or not. If using icons, the label and shape are drawn together into a cached icon. Otherwise, the shapes are drawn on the fly and labeled separately.
    Parameters:
      `b` - true to render in icon mode.

  - ### getLabelPosition

    public GraphLabelPosition getLabelPosition()
    Returns the label position relative to the vertex. Note this is only relevant if `usesIcons()` is false
    Returns:
      the label position relative to the vertex

  - ### setLabelPosition

    public void setLabelPosition(GraphLabelPosition labelPosition)
    Sets the label position relative to the vertex. Note this is only relevant if `usesIcons()` is false.
    Parameters:
      `labelPosition` - the `GraphLabelPosition` to use for rendering vertex labels

  - ### setFont

    public void setFont(Font font)
    Sets the font to use for drawing vertex labels
    Parameters:
      `font` - the font to use for drawing vertex labels

  - ### setFont

    public void setFont(String themeFontId)

  - ### getFont

    public Font getFont()
    Returns the font being used to render vertex labels
    Returns:
      the font being used to render vertex labels

  - ### getArrowLength

    public int getArrowLength()
    Returns the length of the arrow. The width will be proportional to the length. Note: this option is not exposed in the Options because it is too specific to a graph instance and wouldn't be appropriate to apply to shared options.
    Returns:
      the size if the arrow

  - ### setArrowLength

    public void setArrowLength(int length)
    Sets the length of the arrow. The width will be proportional to the length. Note: this option is not exposed in the Options because it is too specific to a graph instance and wouldn't be appropriate to apply to shared options.
    Parameters:
      `length` - the size of the arrow

  - ### getMaxNodeCount

    public int getMaxNodeCount()
    Returns the maximum number of nodes that can be in a displayed graph
    Returns:
      the maximum number of nodes that can be in a displayed graph

  - ### setMaxNodeCount

    public void setMaxNodeCount(int maxNodeCount)
    Sets the maximum number of nodes a graph can have and still be displayed. Be careful, setting this value too high can result in Ghidra running out of memory and/or making the system very sluggish.
    Parameters:
      `maxNodeCount` - the maximum number of nodes a graph can have and still be displayed.

  - ### isRegisteredWithTool

    public boolean isRegisteredWithTool()
    Returns true if this `GraphDisplayOptions` instance has been constructed with a tool for getting/saving option values in the tool options
    Returns:
      true if this `GraphDisplayOptions` instance is connected to tool options

  - ### registerOptions

    protected void registerOptions(Tool tool, HelpLocation help)
    Registers this GraphTypeDisplayOptions with `ToolOptions`. Note: this should only be used by plugins or other objects that get instantiated immediately when the tool is constructed. Otherwise, if the tool exits and this hasn't been called, any saved option values will be lost.

    Parameters:
      `tool` - The tool to use to register options
      `help` - the help location to be used by the `OptionsDialog` for display/editing these options

  - ### registerOptions

    protected void registerOptions(ToolOptions toolOptions, HelpLocation help)

  - ### displayEditor

    public void displayEditor(Tool tool, HelpLocation help)
    Pop up a dialog for editing these graph display options. If the options are registered with tool options, show the tool options with the appropriate graph options selected. Otherwise, show an editor for locally editing these options.
    Parameters:
      `tool` - the tool
      `help` - the help location to use if the options are edited locally

  - ### configureVertexType

    protected void configureVertexType(String vertexType, VertexShape vertexShape, Color color)
    Sets default values for vertex types. This method does not allow the vertexType color to be eligible to be registered as a tool option.
    Parameters:
      `vertexType` - the vertex type whose default color and shape are being defined
      `vertexShape` - the default vertex shape for the given vertex type
      `color` - the default color for the given vertex type

  - ### configureVertexType

    protected void configureVertexType(String vertexType, VertexShape vertexShape, String themeColorId)
    Sets default values for vertex types using theme color ids. This makes them eligible to be registered as tool options.
    Parameters:
      `vertexType` - the vertex type whose default color and shape are being defined
      `vertexShape` - the default vertex shape for the given vertex type
      `themeColorId` - the color id for the theme color to be used as the color.

  - ### configureEdgeType

    protected void configureEdgeType(String edgeType, Color color)
    Sets default values for edge types. This method does not allow the vertexType color to be eligible to be registered as a tool option.
    Parameters:
      `edgeType` - the edge type whose default color and shape are being defined
      `color` - the default color for the given edge type

  - ### configureEdgeType

    protected void configureEdgeType(String edgeType, String themeColorId)
    Sets default values for edge types using theme color ids. This makes them eligible to be registered as tool options.
    Parameters:
      `edgeType` - the edge type whose default color and shape are being defined
      `themeColorId` - the color id for the theme color to be used as the color.

  - ### initializeFromOptions

    public void initializeFromOptions(Tool tool)
    Loads values from tool options
    Parameters:
      `tool` - the tool from which to update values.