luciad::ISelectionCandidateChooser Class Reference

A selection candidate handler has the responsibility to show candidates for selection and let a user choose which feature(s) they want to select. More...

#include <luciad/controllers/ISelectionCandidateChooser.h>

Public Member Functions
virtual	~ISelectionCandidateChooser ()=default
virtual void	chooseCandidates (std::vector< LayerFeatureId > selectionCandidates, Coordinate position, std::shared_ptr< ISelectionCandidateCallback > callback)=0
	This method is called by SelectEventHandler when there are multiple selection candidates. More...

Detailed Description

A selection candidate handler has the responsibility to show candidates for selection and let a user choose which feature(s) they want to select.

This class can for example be implemented by showing a popup menu that allows you to choose the feature to select.

Since

2020.1

Constructor & Destructor Documentation

~ISelectionCandidateChooser()

virtual luciad::ISelectionCandidateChooser::~ISelectionCandidateChooser ( )

virtualdefault

Member Function Documentation

chooseCandidates()

virtual void luciad::ISelectionCandidateChooser::chooseCandidates ( std::vector< LayerFeatureId >  selectionCandidates, Coordinate  position, std::shared_ptr< ISelectionCandidateCallback >  callback  )

pure virtual

This method is called by SelectEventHandler when there are multiple selection candidates.

It allows to determine which subset of the features need to be selected.

Parameters

selectionCandidates	: a list of features that could be selected.
position	: the current mouse position. This coordinate is in screen coordinate.
callback	this callback needs to be called to provide the subset of the selection candidates that should be selected.