The snapping service of GMF. Responsible of collecting the treeCtrls that support snapping and store them here. As soon as a treeCtrl state becomes 'on', a WFS GetFeature request is issued to collect the features at the map view location. A new request is sent every time the map is panned or zoomed for each treeCtrl that are still 'on'.
Features returned by these requests get bound to a ol.interaction.Snap,
which allows the snapping to occur on other places where vector
features are drawn or modified.
Angular $http service.
The Angular $q service.
Angular rootScope.
Angular injector.
Angular timeout service.
Group that contains file data sources.
Snapping configuration options for the features in the Draw tool and in the "Layer Import / Local" tool.
The gmf Themes service.
The gmf TreeManager service.
Collection of features.
The options.
A cache containing all available snappable items, in which the listening
of the state of the treeCtrl is registered and unregistered.
A cache for the File data sources that are added in the FileGroup, i.e. for example when a KML is added, then a File data source is added to the FileGroup's collection, and their features need to be snappable.
Reference to the promise taking care of calling all GetFeature requests of the currently active cache items after the map view changed. Used to cancel if the map view changes often within a short period of time.
A reference to the OGC servers loaded by the theme service.
Static$injectActivate a cache item by adding a Snap interaction to the map and launch the initial request to get the features.
Cache item.
Deactivate a cache item by removing the snap interaction and clearing any existing features.
Cache item.
In order for a ol.interaction.Snap to work properly, it has to be added
to the map after any draw interactions or other kinds of interactions that
interacts with features on the map.
This method can be called to make sure the Snap interactions are on top.
Get the OGC server.
The layer tree controller
The OGC server.
Get the configuration required to do WFS requests (for snapping purpose) from a Layertree controller that has a leaf node.
The following requirements must be met in order for a treeCtrl to be considered supporting WFS:
type property is equal to WMSchildLayers property, the queryable property is set
to truewfsSupport property set to true.The layer tree controller
The configuration object.
Called when the "visible" property of a File data source changes. Add or remove the Snap interaction for that data source depending on the property value.
Called when a File data source is added to the File Group (imported geospatial files). Make its features snappable.
Event
Called when a File data source is removed from the File Group. Remove the features from being snappable.
Event
Called when the map view changes. Load all active cache items after a small delay. Cancel any currently delayed call, if required.
Called when the themes change. Get the OGC servers, then listen to the tree manager Layertree controllers array changes.
The layer tree controller
New value for the layer
The layer tree controller
True if state is on and snapping is activated for that layer.
For a specific cache item, issue a new WFS GetFeatures request. The returned features set in the item collection of features (they replace any existing ones first).
Cache item.
Manually refresh all features
Registers a newly added Layertree controller 'leaf'. If it's snappable, create and add a cache item with every configuration required to do the snapping. It becomes active when its state is set to 'on'.
Layertree controller to register
Bind the snapping service to a map
Map
Unregisters all removed layertree controllers 'leaf'. Remove the according cache item and deactivate it as well. Unregister events.
The snapping service of GMF. Responsible of collecting the treeCtrls that support snapping and store them here. As soon as a treeCtrl state becomes 'on', a WFS GetFeature request is issued to collect the features at the map view location. A new request is sent every time the map is panned or zoomed for each treeCtrl that are still 'on'.
Features returned by these requests get bound to a
ol.interaction.Snap, which allows the snapping to occur on other places where vector features are drawn or modified.Param: $http
Angular $http service.
Param: $q
The Angular $q service.
Param: $rootScope
Angular rootScope.
Param: $injector
Angular injector.
Param: $timeout
Angular timeout service.
Param: gmfDatasourceFileGroup
Group that contains file data sources.
Param: gmfSnappingConfig
Snapping configuration options for the features in the Draw tool and in the "Layer Import / Local" tool.
Param: gmfThemes
The gmf Themes service.
Param: gmfTreeManager
The gmf TreeManager service.
Param: ngeoFeatures
Collection of features.
Param: gmfSnappingOptions
The options.
Ngdoc
service
Ngname
gmfSnapping