Add fancy direction picker

UI/Input/DirectionInput.ts

@@ -0,0 +1,92 @@
+import {InputElement} from "./InputElement";
+import {UIEventSource} from "../../Logic/UIEventSource";
+import Combine from "../Base/Combine";
+import Svg from "../../Svg";
+
+/**
+ * Selects a direction in degrees
+ */
+export default class DirectionInput extends InputElement<string> {
+
+    private readonly value: UIEventSource<string>;
+    public readonly IsSelected: UIEventSource<boolean> = new UIEventSource<boolean>(false);
+
+    constructor(value?: UIEventSource<string>) {
+        super();
+        this.dumbMode = false;
+        this.value = value ?? new UIEventSource<string>(undefined);
+
+        this.value.addCallbackAndRun(rotation => {
+            const selfElement = document.getElementById(this.id);
+            if (selfElement === null) {
+                return;
+            }
+            const cone = selfElement.getElementsByClassName("direction-svg")[0] as HTMLElement
+            cone.style.rotate = rotation + "deg";
+
+        })
+
+    }
+
+
+    GetValue(): UIEventSource<string> {
+        return this.value;
+    }
+
+    InnerRender(): string {
+        console.log("Inner render direction")
+        return new Combine([
+            Svg.direction_svg().SetStyle(
+                `position: absolute;top: 0;left: 0;width: 100%;height: 100%;rotategs:${this.value.data}deg;`)
+                .SetClass("direction-svg"),
+            Svg.compass_svg().SetStyle(
+                "position: absolute;top: 0;left: 0;width: 100%;height: 100%;")
+        ])
+            .SetStyle("position:relative;display:block;width: min(100%, 25em); padding-top: min(100% , 25em); background:white; border: 1px solid black; border-radius: 999em")
+            .Render();
+    }
+
+    protected InnerUpdate(htmlElement: HTMLElement) {
+         console.log("Inner update direction")
+       super.InnerUpdate(htmlElement);
+        const self = this;
+
+        function onPosChange(x: number, y: number) {
+            const rect = htmlElement.getBoundingClientRect();
+            const dx = -(rect.left + rect.right) / 2 + x;
+            const dy = (rect.top + rect.bottom) / 2 - y;
+            const angle = 180 * Math.atan2(dy, dx) / Math.PI;
+            const angleGeo = Math.floor((450 - angle) % 360);
+            self.value.setData(""+angleGeo)
+        }
+
+
+        htmlElement.ontouchmove = (ev: TouchEvent) => {
+            onPosChange(ev.touches[0].clientX, ev.touches[0].clientY);
+        }
+
+        let isDown = false;
+
+        htmlElement.onmousedown = (ev: MouseEvent) => {
+            isDown = true;
+            onPosChange(ev.x, ev.y);
+            ev.preventDefault();
+        }
+
+        htmlElement.onmouseup = (ev) => {
+            isDown = false; ev.preventDefault();
+        }
+
+        htmlElement.onmousemove = (ev: MouseEvent) => {
+            if (isDown) {
+                onPosChange(ev.x, ev.y);
+            } ev.preventDefault();
+        }
+    }
+
+    IsValid(str: string): boolean {
+        const t = Number(str);
+        return !isNaN(t) && t >= 0 && t <= 360;
+    }
+
+}