forked from MapComplete/MapComplete
118 lines
4 KiB
TypeScript
118 lines
4 KiB
TypeScript
import { InputElement } from "./InputElement"
|
|
import { UIEventSource } from "../../Logic/UIEventSource"
|
|
import Combine from "../Base/Combine"
|
|
import Svg from "../../Svg"
|
|
import BaseUIElement from "../BaseUIElement"
|
|
import { FixedUiElement } from "../Base/FixedUiElement"
|
|
import { Utils } from "../../Utils"
|
|
import Loc from "../../Models/Loc"
|
|
import Minimap from "../Base/Minimap"
|
|
|
|
/**
|
|
* Selects a direction in degrees
|
|
*/
|
|
export default class DirectionInput extends InputElement<string> {
|
|
public readonly IsSelected: UIEventSource<boolean> = new UIEventSource<boolean>(false)
|
|
private readonly _location: UIEventSource<Loc>
|
|
private readonly value: UIEventSource<string>
|
|
private background
|
|
|
|
constructor(
|
|
mapBackground: UIEventSource<any>,
|
|
location: UIEventSource<Loc>,
|
|
value?: UIEventSource<string>
|
|
) {
|
|
super()
|
|
this._location = location
|
|
this.value = value ?? new UIEventSource<string>(undefined)
|
|
this.background = mapBackground
|
|
}
|
|
|
|
GetValue(): UIEventSource<string> {
|
|
return this.value
|
|
}
|
|
|
|
IsValid(str: string): boolean {
|
|
const t = Number(str)
|
|
return !isNaN(t) && t >= 0 && t <= 360
|
|
}
|
|
|
|
protected InnerConstructElement(): HTMLElement {
|
|
let map: BaseUIElement = new FixedUiElement("")
|
|
if (!Utils.runningFromConsole) {
|
|
map = Minimap.createMiniMap({
|
|
background: this.background,
|
|
allowMoving: false,
|
|
location: this._location,
|
|
})
|
|
}
|
|
|
|
const element = new Combine([
|
|
Svg.direction_stroke_svg()
|
|
.SetStyle(
|
|
`position: absolute;top: 0;left: 0;width: 100%;height: 100%;transform:rotate(${
|
|
this.value.data ?? 0
|
|
}deg);`
|
|
)
|
|
.SetClass("direction-svg relative")
|
|
.SetStyle("z-index: 1000"),
|
|
map.SetStyle(`position: absolute;top: 0;left: 0;width: 100%;height: 100%;`),
|
|
])
|
|
.SetStyle("width: min(100%, 25em); height: 0; padding-bottom: 100%") // A bit a weird CSS , see https://stackoverflow.com/questions/13851940/pure-css-solution-square-elements#19448481
|
|
.SetClass("relative block bg-white border border-black overflow-hidden rounded-full")
|
|
.ConstructElement()
|
|
|
|
this.value.addCallbackAndRunD((rotation) => {
|
|
const cone = element.getElementsByClassName("direction-svg")[0] as HTMLElement
|
|
cone.style.transform = `rotate(${rotation}deg)`
|
|
})
|
|
|
|
this.RegisterTriggers(element)
|
|
element.style.overflow = "hidden"
|
|
element.style.display = "block"
|
|
|
|
return element
|
|
}
|
|
|
|
private RegisterTriggers(htmlElement: 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)
|
|
ev.preventDefault()
|
|
}
|
|
|
|
htmlElement.ontouchstart = (ev: TouchEvent) => {
|
|
onPosChange(ev.touches[0].clientX, ev.touches[0].clientY)
|
|
}
|
|
|
|
let isDown = false
|
|
|
|
htmlElement.onmousedown = (ev: MouseEvent) => {
|
|
isDown = true
|
|
onPosChange(ev.clientX, ev.clientY)
|
|
ev.preventDefault()
|
|
}
|
|
|
|
htmlElement.onmouseup = (ev) => {
|
|
isDown = false
|
|
ev.preventDefault()
|
|
}
|
|
|
|
htmlElement.onmousemove = (ev: MouseEvent) => {
|
|
if (isDown) {
|
|
onPosChange(ev.clientX, ev.clientY)
|
|
}
|
|
ev.preventDefault()
|
|
}
|
|
}
|
|
}
|