overlays.md

Overlays

Get list of available data overlays

To get list of available data overlays, plugins can use the getDataOverlays method defined in window.minerva.overlays.data. This method returns array with all overlays.

Example of getDataOverlays usage:

window.minerva.overlays.data.getDataOverlays();

Get list of visible data overlays

To get list of visible data overlays, plugins can use the getVisibleDataOverlays method defined in window.minerva.overlays.data. This method returns array with all visible data overlays.

Example of getVisibleDataOverlays usage:

window.minerva.overlays.data.getVisibleDataOverlays();

Show an overlay

To show an overlay, plugins can use the showDataOverlay method defined in window.minerva.overlays. This method takes following arguments:

• overlayId - the ID of the overlay that the plugin wants to show.
• setBackgroundEmpty (optional) - whether showDataOverlay should set the background to empty if available when it shows overlay. Its value should be a boolean type.

Example of showDataOverlay usage:

window.minerva.overlays.showDataOverlay(109);

window.minerva.overlays.showDataOverlay(112, true);

Hide an overlay

To hide an overlay, plugins can use the hideDataOverlay method defined in window.minerva.overlays. This method takes one argument: the ID of the overlay that the plugin wants to hide.

Example of showDataOverlay usage:

window.minerva.overlays.hideDataOverlay(109);

Add an overlay

To add an overlay, plugins can use the addDataOverlay method defined in window.minerva.overlays. This method takes one argument: the object with the following properties:

• name (string): The name of the overlay.

• description (optional string): A description of the overlay.

• filename (optional string): The filename of the overlay data.

• fileContent (string or text File): The content of the overlay data.

• type (optional string): The type of overlay data.

Example of addDataOverlay usage:

window.minerva.overlays.addDataOverlay({
  name: 'Plugin Test',
  fileContent: 'plugin test content',
});

Remove an overlay

To remove an overlay, plugins can use the removeDataOverlay method defined in window.minerva.overlays. This method takes one argument: the ID of the overlay that the plugin wants to remove.

Example of removeDataOverlay usage:

window.minerva.overlays.removeDataOverlay(129);