RemoveCanvasConnectionCommand.h header

#include <ew/core/RemoveCanvasConnectionCommand.h>

Namespace ew::core

RemoveCanvasConnectionCommand class

class ew::core::RemoveCanvasConnectionCommand

Command that removes the (undirected) connection between two cards on a research canvas. Undo restores it; a no-op if the pair was not connected.

ew::core::RemoveCanvasConnectionCommand::RemoveCanvasConnectionCommand(Canvas &canvas, ContentId a, ContentId b)

Creates a command that unlinks the cards for a and b on canvas when applied.

ew::core::RemoveCanvasConnectionCommand::~RemoveCanvasConnectionCommand() override

Destroys the command.

void ew::core::RemoveCanvasConnectionCommand::apply() override

Removes the connection, recording whether one was present.

void ew::core::RemoveCanvasConnectionCommand::undo() override

Re-adds the connection if this command removed it.

QString ew::core::RemoveCanvasConnectionCommand::description() const override

Returns a short description for the undo/redo UI.