Classes
Type Definitions
-
A function that takes a
Feature
and returnstrue
if the feature may be selected orfalse
otherwise. -
Options{Object}
-
Properties:
Name Type Description addCondition
Condition | undefined A function that takes a
MapBrowserEvent
and returns a boolean to indicate whether that event should be handled. By default, this isnever
. Use this if you want to use different events for add and remove instead oftoggle
.condition
Condition | undefined A function that takes a
MapBrowserEvent
and returns a boolean to indicate whether that event should be handled. This is the event for the selected features as a whole. By default, this issingleClick
. Clicking on a feature selects that feature and removes any that were in the selection. Clicking outside any feature removes all from the selection. Seetoggle
,add
,remove
options for adding/removing extra features to/ from the selection.layers
Array<Layer> | function | undefined A list of layers from which features should be selected. Alternatively, a filter function can be provided. The function will be called for each layer in the map and should return
true
for layers that you want to be selectable. If the option is absent, all visible layers will be considered selectable.style
StyleLike | null | undefined Style for the selected features. By default the default edit style is used (see
Style
). Set tonull
if this interaction should not apply any style changes for selected features. If set to a falsey value, the selected feature's style will not change.removeCondition
Condition | undefined A function that takes a
MapBrowserEvent
and returns a boolean to indicate whether that event should be handled. By default, this isnever
. Use this if you want to use different events for add and remove instead oftoggle
.toggleCondition
Condition | undefined A function that takes a
MapBrowserEvent
and returns a boolean to indicate whether that event should be handled. This is in addition to thecondition
event. By default,shiftKeyOnly
, i.e. pressingshift
as well as thecondition
event, adds that feature to the current selection if it is not currently selected, and removes it if it is. Seeadd
andremove
if you want to use different events instead of a toggle.multi
boolean
(defaults to false)A boolean that determines if the default behaviour should select only single features or all (overlapping) features at the clicked map position. The default of
false
means single select.features
Collection<Feature> | undefined Collection where the interaction will place selected features. Optional. If not set the interaction will create a collection. In any case the collection used by the interaction is returned by
getFeatures
.filter
FilterFunction | undefined A function that takes a
Feature
and aLayer
and returnstrue
if the feature may be selected orfalse
otherwise.hitTolerance
number
(defaults to 0)Hit-detection tolerance. Pixels inside the radius around the given position will be checked for features.