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Class: UpdateImageSourceCommand

An abstract base class from which to extend all potential element commands. These commands follow the command design pattern in software development. To learn more about this pattern take a look at the following link.

https://sourcemaking.com/design_patterns/command

Extends​

Constructors​

Constructor​

new UpdateImageSourceCommand(id, src): UpdateImageSourceCommand

Parameters​

id​

string

src​

string

Returns​

UpdateImageSourceCommand

Overrides​

CanvasCommand.constructor

Properties​

sequenceId?​

optional sequenceId?: string

Inherited from​

CanvasCommand.sequenceId

Methods​

apply()​

apply(state): LayoutsState

Parameters​

state​

LayoutsState

Returns​

LayoutsState

Overrides​

CanvasCommand.apply

overrideOldState()​

overrideOldState(state): void

Parameters​

state​

LayoutsState

Returns​

void

Inherited from​

CanvasCommand.overrideOldState

undo()​

undo(): LayoutsState

Returns​

LayoutsState

Inherited from​

CanvasCommand.undo