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import * as React from "react";
import "./Keyframe.scss";
import "./Timeline.scss";
import "./../globalCssVariables.scss";
import { observer, Observer } from "mobx-react";
import { observable, reaction, action, IReactionDisposer, observe, IObservableArray, computed, toJS, isComputedProp } from "mobx";
import { Doc, DocListCast } from "../../../new_fields/Doc";
import { Cast, FieldValue, StrCast, NumCast } from "../../../new_fields/Types";
import { List } from "../../../new_fields/List";
import { createSchema, defaultSpec, makeInterface, listSpec } from "../../../new_fields/Schema";
import { any } from "bluebird";
import { FlyoutProps } from "./Timeline";
import { number } from "prop-types";
export namespace KeyframeFunc{
export enum Direction{
left = "left",
right = "right"
}
export const findAdjacentRegion = (dir: KeyframeFunc.Direction, currentRegion:Doc, regions:List<Doc>): (RegionData | undefined) => {
let leftMost: (RegionData | undefined) = undefined;
let rightMost: (RegionData | undefined) = undefined;
regions.forEach(region => {
let neighbor = RegionData(region as Doc);
if (currentRegion.position! > neighbor.position) {
if (!leftMost || neighbor.position > leftMost.position) {
leftMost = neighbor;
}
} else if (currentRegion.position! < neighbor.position) {
if (!rightMost || neighbor.position < rightMost.position) {
rightMost = neighbor;
}
}
});
if (dir === Direction.left) {
return leftMost;
} else if (dir === Direction.right) {
return rightMost;
}
};
}
const RegionDataSchema = createSchema({
position: defaultSpec("number", 0),
duration: defaultSpec("number", 0),
keyframes: listSpec(Doc),
fadeIn: defaultSpec("number", 0),
fadeOut: defaultSpec("number", 0)
});
type RegionData = makeInterface<[typeof RegionDataSchema]>;
const RegionData = makeInterface(RegionDataSchema);
interface IProps {
node: Doc;
RegionData: Doc;
changeCurrentBarX: (x: number) => void;
setFlyout:(props:FlyoutProps) => any;
}
@observer
export class Keyframe extends React.Component<IProps> {
@observable private _bar = React.createRef<HTMLDivElement>();
@action
componentWillMount() {
}
componentWillUnmount() {
}
@computed
private get regiondata() {
let index = this.regions.indexOf(this.props.RegionData);
return RegionData(this.regions[index] as Doc);
}
@computed
private get regions() {
return Cast(this.props.node.regions, listSpec(Doc)) as List<Doc>;
}
@action
makeKeyData = (kfpos: number) => { //Kfpos is mouse offsetX, representing time
let hasData = false;
this.regiondata.keyframes!.forEach(TK => { //TK is TimeAndKey
TK = TK as Doc;
if (TK.time === kfpos) {
hasData = true;
}
});
if (!hasData) {
let TK: Doc = new Doc();
TK.time = kfpos;
TK.key = Doc.MakeCopy(this.props.node);
this.regiondata.keyframes!.push(TK);
}
}
@action
onBarPointerDown = (e: React.PointerEvent) => {
e.preventDefault();
e.stopPropagation();
document.addEventListener("pointermove", this.onBarPointerMove);
document.addEventListener("pointerup", (e: PointerEvent) => {
document.removeEventListener("pointermove", this.onBarPointerMove);
});
}
@action
onBarPointerMove = (e: PointerEvent) => {
e.preventDefault();
e.stopPropagation();
let left = KeyframeFunc.findAdjacentRegion(KeyframeFunc.Direction.left, this.regiondata, this.regions)!;
let right = KeyframeFunc.findAdjacentRegion(KeyframeFunc.Direction.right, this.regiondata, this.regions!);
let bar = this._bar.current!;
let barX = bar.getBoundingClientRect().left;
let offset = e.clientX - barX;
let futureX = this.regiondata.position + e.movementX;
if (futureX <= 0) {
this.regiondata.position = 0;
} else if ((left && left.position + left.duration >= futureX)) {
this.regiondata.position = left.position + left.duration;
} else if ((right && right.position <= futureX + this.regiondata.duration)) {
this.regiondata.position = right.position - this.regiondata.duration;
} else {
this.regiondata.position = futureX;
}
}
@action
onResizeLeft = (e: React.PointerEvent) => {
e.preventDefault();
e.stopPropagation();
document.addEventListener("pointermove", this.onDragResizeLeft);
document.addEventListener("pointerup", () => {
document.removeEventListener("pointermove", this.onDragResizeLeft);
});
}
@action
onResizeRight = (e: React.PointerEvent) => {
e.preventDefault();
e.stopPropagation();
document.addEventListener("pointermove", this.onDragResizeRight);
document.addEventListener("pointerup", () => {
document.removeEventListener("pointermove", this.onDragResizeRight);
});
}
@action
onDragResizeLeft = (e: PointerEvent) => {
e.preventDefault();
e.stopPropagation();
let bar = this._bar.current!;
let barX = bar.getBoundingClientRect().left;
let offset = e.clientX - barX;
if (this.regiondata.duration - offset < this.regiondata.fadeIn + this.regiondata.fadeOut){
this.regiondata.position -= (this.regiondata.fadeIn + this.regiondata.fadeOut - this.regiondata.duration);
this.regiondata.duration = this.regiondata.fadeIn + this.regiondata.fadeOut;
} else {
this.regiondata.duration -= offset;
this.regiondata.position += offset;
}
}
@action
onDragResizeRight = (e: PointerEvent) => {
e.preventDefault();
e.stopPropagation();
let bar = this._bar.current!;
let barX = bar.getBoundingClientRect().right;
let offset = e.clientX - barX;
if (this.regiondata.duration + offset < this.regiondata.fadeIn + this.regiondata.fadeOut){
this.regiondata.duration = this.regiondata.fadeIn + this.regiondata.fadeOut;
} else {
this.regiondata.duration += offset;
}
}
createDivider = (type?: KeyframeFunc.Direction): JSX.Element => {
if (type === "left") {
return <div className="divider" style={{ right: "0px" }}></div>;
} else if (type === "right") {
return <div className="divider" style={{ left: "0px" }}> </div>;
}
return <div className="divider"></div>;
}
@action
createKeyframe = (e: React.MouseEvent) => {
e.preventDefault();
e.stopPropagation();
let bar = this._bar.current!;
let offset = e.clientX - bar.getBoundingClientRect().left;
let position = NumCast(this.regiondata.position);
this.makeKeyData(Math.round(position + offset));
}
@action
moveKeyframe = (e: React.MouseEvent, kf:Doc) => {
e.preventDefault();
e.stopPropagation();
this.props.changeCurrentBarX(NumCast(kf.time!));
}
render() {
return (
<div>
<div className="bar" ref={this._bar} style={{ transform: `translate(${this.regiondata.position}px)`, width: `${this.regiondata.duration}px` }}
onPointerDown={this.onBarPointerDown}
onDoubleClick={this.createKeyframe}
onContextMenu={action((e:React.MouseEvent)=>{
let offsetLeft = this._bar.current!.getBoundingClientRect().left - this._bar.current!.parentElement!.getBoundingClientRect().left;
let offsetTop = this._bar.current!.getBoundingClientRect().top; //+ this._bar.current!.parentElement!.getBoundingClientRect().top;
console.log(offsetLeft);
console.log(offsetTop);
this.props.setFlyout({x:offsetLeft, y: offsetTop, display:"block", regiondata:this.regiondata, regions:this.regions});
})}>
<div className="leftResize" onPointerDown={this.onResizeLeft} ></div>
<div className="rightResize" onPointerDown={this.onResizeRight}></div>
<div className="fadeLeft" style={{ width: `${this.regiondata.fadeIn}px` }}>{this.createDivider(KeyframeFunc.Direction.left)}</div>
<div className="fadeRight" style={{ width: `${this.regiondata.fadeOut}px` }}>{this.createDivider(KeyframeFunc.Direction.right)}</div>
{this.regiondata.keyframes!.map(kf => {
kf = kf as Doc;
return <div className="keyframe" style={{ left: `${NumCast(kf.time) - this.regiondata.position}px` }}>
{this.createDivider()}
<div className="keyframeCircle" onPointerDown={(e) => {this.moveKeyframe(e, kf as Doc);}}></div>
</div>;
})}
{this.createDivider(KeyframeFunc.Direction.left)}
{this.createDivider(KeyframeFunc.Direction.right)}
</div>
</div>
);
}
}
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