Cascading Themes

Strong graphics packages are built on good defaults that are highly customizable. The CascadingTheme class makes it possible to define a list of defaults that specify inheritance, allowing customizable defaults with less repeated code.

Methods

Public methods

• CascadingTheme$new()

• CascadingTheme$compile()

• CascadingTheme$keys()

• CascadingTheme$inheritance()

• CascadingTheme$value_validator()

• CascadingTheme$node_validator()

• CascadingTheme$node()

• CascadingTheme$value()

• CascadingTheme$value_base()

• CascadingTheme$set_node()

• CascadingTheme$set_value()

• CascadingTheme$set_nodes()

• CascadingTheme$set_values()

• CascadingTheme$set_value_validator()

• CascadingTheme$set_node_validator()

• CascadingTheme$set_tree()

• CascadingTheme$set_data()

• CascadingTheme$set_node_validators()

• CascadingTheme$set_value_validators()

• CascadingTheme$clone()

---

Method new()

Usage

CascadingTheme$new(data = list())

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Method compile()

Usage

CascadingTheme$compile()

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Method keys()

Usage

CascadingTheme$keys()

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Method inheritance()

Usage

CascadingTheme$inheritance(key)

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Method value_validator()

Usage

CascadingTheme$value_validator(
  key,
  default = abort(glue::glue("No validators for value: '{key}'"))
)

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Method node_validator()

Usage

CascadingTheme$node_validator(
  key,
  default = abort(glue::glue("No validators for node: '{key}'"))
)

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Method node()

Usage

CascadingTheme$node(key, default = abort(glue::glue("No such node: '{key}'")))

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Method value()

Usage

CascadingTheme$value(
  key,
  default = abort(glue::glue("No such value: '{key}'"))
)

---

Method value_base()

Usage

CascadingTheme$value_base(
  key,
  default = abort(glue::glue("No such node: '{key}'"))
)

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Method set_node()

Usage

CascadingTheme$set_node(key, value)

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Method set_value()

Usage

CascadingTheme$set_value(key, value)

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Method set_nodes()

Usage

CascadingTheme$set_nodes(...)

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Method set_values()

Usage

CascadingTheme$set_values(...)

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Method set_value_validator()

Usage

CascadingTheme$set_value_validator(key, validator)

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Method set_node_validator()

Usage

CascadingTheme$set_node_validator(key, validator)

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Method set_tree()

Usage

CascadingTheme$set_tree(...)

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Method set_data()

Usage

CascadingTheme$set_data(...)

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Method set_node_validators()

Usage

CascadingTheme$set_node_validators(...)

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Method set_value_validators()

Usage

CascadingTheme$set_value_validators(...)

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Method clone()

The objects of this class are cloneable with this method.

Usage

CascadingTheme$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.