Does nothing
False
Starts the creation of a connection Unless an invalid nucleotide is being picked (or no nucleotide); in that case, do nothing
False if nothing is being picked or the picked object is not a nucleotide True otherwise
If a connection is taking place, update it Otherwise, do nothing
True if a connection is taking place. True otherwise
Do nothing
Cleans up side effects
Show (visually) the hovered nucleotide Unless a connection is already being made; in that case, do nothing
True if a connection is already being made or if a valid nucleotide is being picked. False otherwise
Cancels a connection if Escape is pressed. Does nothing otherwise
True if Escape is pressed AND a connection is taking place. False otherwise
Stops the creation of a connection If both ends of a connection are valid, the connection is created
False if nothing is being picked. True otherwise
Forwards a click_left event to the subclass, and returns its result
true if further actions should be blocked; or false otherwise (action propagates)
The description of this state. This information is retrieved from the subclass May return an empty string if the subclass provides no description
Signals to CatanaActions (see catana-actions.ts) that this state should be exited This is particularly useful for changes in UI elements that are related to a CatanaState
False if SHIFT is currently being pressed True otherwise (state was exited)
Forwards a down_left event to the subclass, and returns its result
true if further actions should be blocked; or false otherwise (action propagates)
Forwards a drag_left event to the subclass, and returns its result
true if further actions should be blocked; or false otherwise (action propagates)
Called when this state is entered. Forwarded to the subclass
Called when this state is exited. Forwarded to the subclass
Forwards a hover event to the subclass, and returns its result
true if further actions should be blocked; or false otherwise (action propagates)
True if 'key' is "Shift"
Otherwise,the keyDown is forwarded to the subclass, and its result is returned
True is then returned if further actions should be blocked. False is returned otherwise (action propagates)
Forwards a up_left event to the subclass, and returns its result
true if further actions should be blocked; or false otherwise (action propagates)
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CatanaState to connect two nucleic acid strands