Geographics placements working again.

2019-11-05 11:07:36 +01:00
parent ff0606d0a7
commit 87727d28b9
8 changed files with 297 additions and 222 deletions
@@ -0,0 +1,62 @@
+export class MapList {
+    constructor(active, maps) {
+        this.maps = maps
+        this.active = active
+
+        if (Object.keys(maps).length > 0) this.select(active)
+    }
+
+    /**
+     * Selects a map from the map list.
+     *
+     * @param {string} active - Name of the map to select.
+     * @returns
+     * @memberof MapList
+     */
+    select(active) {
+        let map = null
+
+        if (active !== this.active) {
+            let keys = Object.keys(this.maps)
+            if (keys.length > 0) {
+                if (this.maps[active] == null) {
+                    let altActive = keys[0]
+                    console.warn(
+                        `The MapList does not contain the provided active key '${active}'. Used '${altActive}' as fallback.`
+                    )
+
+                    active = altActive
+                }
+
+                if (this.active !== active) {
+                    this.active = active
+                    map = this.maps[active]
+                }
+            } else {
+                console.error(`Could not provide a fallback map! The map object is empty.`)
+            }
+        }
+
+        return map
+    }
+
+    add(key, map) {
+        if (this.maps[key] != null) consol.warn('Key already in mapList. The existing key was overwritten.')
+        map.name = key
+        this.maps[key] = map
+    }
+
+    get map() {
+        console.log(this.maps, this.active)
+        return this.maps[this.active]
+    }
+
+    next() {
+        let keys = Object.keys(this.maps)
+        let idx = keys.indexOf(this.active)
+
+        let next = idx + 1 < key.length ? keys[idx + 1] : keys[0]
+        console.log(keys, idx, next)
+        return next
+    }
+}