Value widgets

A base class for widgets that are connected with values

Super classes

RKernel::HasTraits -> RKernel::Widget -> RKernel::DOMWidget -> RKernel::DescriptionWidget -> ValueWidget

Public fields

value

A list or any other vector of values

Methods

Public methods

• ValueWidgetClass$new()

• ValueWidgetClass$on_change()

• ValueWidgetClass$clone()

Inherited methods

• RKernel::HasTraits$notify()
• RKernel::HasTraits$observe()
• RKernel::HasTraits$validate()
• RKernel::Widget$_send()
• RKernel::Widget$check_version()
• RKernel::Widget$close()
• RKernel::Widget$display_data()
• RKernel::Widget$finalize()
• RKernel::Widget$get_state()
• RKernel::Widget$handle_buffers()
• RKernel::Widget$handle_comm_msg()
• RKernel::Widget$handle_comm_opened()
• RKernel::Widget$handle_custom_msg()
• RKernel::Widget$handle_displayed()
• RKernel::Widget$handle_event()
• RKernel::Widget$on_displayed()
• RKernel::Widget$on_event()
• RKernel::Widget$on_msg()
• RKernel::Widget$open()
• RKernel::Widget$send()
• RKernel::Widget$send_state()
• RKernel::Widget$set_state()
• RKernel::DOMWidget$add_class()
• RKernel::DOMWidget$has_class()
• RKernel::DOMWidget$remove_class()

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Method new()

A generic initializer function

Usage

ValueWidgetClass$new(value, ...)

Arguments

value

A value to initialize instance with

...

Any other arguments, ignored.

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Method on_change()

Add handler function to be called when value is changed

Usage

ValueWidgetClass$on_change(handler, remove = FALSE)

Arguments

handler

A handler function

remove

A logical value, whether the handler should be removed or added.

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Method clone()

The objects of this class are cloneable with this method.

Usage

ValueWidgetClass$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.