import {State} from "../State"; export class CustomLayersState { static RemoveFavouriteLayer(layer: string) { State.state.GetFilteredLayerFor(layer)?.isDisplayed?.setData(false); const favs = State.state.favourteLayers.data; const ind = favs.indexOf(layer); if (ind < 0) { return; } favs.splice(ind, 1); const osmConnection = State.state.osmConnection; const count = osmConnection.GetPreference("mapcomplete-custom-layer-count"); for (let i = 0; i < favs.length; i++) { const layerIDescr = osmConnection.GetPreference("mapcomplete-custom-layer-" + i); layerIDescr.setData(favs[i]); } count.setData("" + favs.length) } static AddFavouriteLayer(layer: string) { State.state.GetFilteredLayerFor(layer)?.isDisplayed?.setData(true); const favs = State.state.favourteLayers.data; const ind = favs.indexOf(layer); if (ind >= 0) { return; } console.log("Adding fav layer", layer); favs.push(layer); const osmConnection = State.state.osmConnection; const count = osmConnection.GetPreference("mapcomplete-custom-layer-count"); if (count.data === undefined || isNaN(Number(count.data))) { count.data = "0"; } const lastId = Number(count.data); for (let i = 0; i < lastId; i++) { const layerIDescr = osmConnection.GetPreference("mapcomplete-custom-layer-" + i); if (layerIDescr.data === undefined || layerIDescr.data === "") { // An earlier item was removed -> overwrite it layerIDescr.setData(layer); count.ping(); return; } } // No empty slot found -> create a new one const layerIDescr = osmConnection.GetPreference("mapcomplete-custom-layer-" + lastId); layerIDescr.setData(layer); count.setData((lastId + 1) + ""); } static InitFavouriteLayers(state: State) { const osmConnection = state.osmConnection; const count = osmConnection.GetPreference("mapcomplete-custom-layer-count"); const favs = state.favourteLayers.data; let changed = false; count.addCallback((countStr) => { console.log("UPdating favourites") if (countStr === undefined) { return; } let countI = Number(countStr); if (isNaN(countI)) { countI = 999; } for (let i = 0; i < countI; i++) { const layerId = osmConnection.GetPreference("mapcomplete-custom-layer-" + i).data; if (layerId !== undefined && layerId !== "" && favs.indexOf(layerId) < 0) { state.favourteLayers.data.push(layerId); changed = true; } } if (changed) { state.favourteLayers.ping(); } }) } }