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import { action, computed, observable } from "mobx";
import { ColorState } from 'react-color';
import { Doc, Field, Opt } from "../../fields/Doc";
import { Document } from "../../fields/documentSchemas";
import { InkField, InkData } from "../../fields/InkField";
import { Cast, NumCast } from "../../fields/Types";
import { DocumentType } from "../documents/DocumentTypes";
import { SelectionManager } from "../util/SelectionManager";
import { undoBatch } from "../util/UndoManager";
import { bool } from "sharp";
export class InkStrokeProperties {
static Instance: InkStrokeProperties | undefined;
private _lastFill = "#D0021B";
private _lastLine = "#D0021B";
private _lastDash = "2";
private _inkDocs: { x: number, y: number, width: number, height: number }[] = [];
@observable _lock = false;
@observable _controlBtn = false;
@observable _currPoint = -1;
getField(key: string) {
return this.selectedInk?.reduce((p, i) =>
(p === undefined || (p && p === i.rootDoc[key])) && i.rootDoc[key] !== "0" ? Field.toString(i.rootDoc[key] as Field) : "", undefined as Opt<string>);
}
@computed get selectedInk() {
const inks = SelectionManager.Views().filter(i => Document(i.rootDoc).type === DocumentType.INK);
return inks.length ? inks : undefined;
}
@computed get unFilled() { return this.selectedInk?.reduce((p, i) => p && !i.rootDoc.fillColor ? true : false, true) || false; }
@computed get unStrokd() { return this.selectedInk?.reduce((p, i) => p && !i.rootDoc.color ? true : false, true) || false; }
@computed get solidFil() { return this.selectedInk?.reduce((p, i) => p && i.rootDoc.fillColor ? true : false, true) || false; }
@computed get solidStk() { return this.selectedInk?.reduce((p, i) => p && i.rootDoc.color && (!i.rootDoc.strokeDash || i.rootDoc.strokeDash === "0") ? true : false, true) || false; }
@computed get dashdStk() { return !this.unStrokd && this.getField("strokeDash") || ""; }
@computed get colorFil() { const ccol = this.getField("fillColor") || ""; ccol && (this._lastFill = ccol); return ccol; }
@computed get colorStk() { const ccol = this.getField("color") || ""; ccol && (this._lastLine = ccol); return ccol; }
@computed get widthStk() { return this.getField("strokeWidth") || "1"; }
@computed get markHead() { return this.getField("strokeStartMarker") || ""; }
@computed get markTail() { return this.getField("strokeEndMarker") || ""; }
@computed get shapeHgt() { return this.getField("_height"); }
@computed get shapeWid() { return this.getField("_width"); }
@computed get shapeXps() { return this.getField("x"); }
@computed get shapeYps() { return this.getField("y"); }
@computed get shapeRot() { return this.getField("rotation"); }
set unFilled(value) { this.colorFil = value ? "" : this._lastFill; }
set solidFil(value) { this.unFilled = !value; }
set colorFil(value) { value && (this._lastFill = value); this.selectedInk?.forEach(i => i.rootDoc.fillColor = value ? value : undefined); }
set colorStk(value) { value && (this._lastLine = value); this.selectedInk?.forEach(i => i.rootDoc.color = value ? value : undefined); }
set markHead(value) { this.selectedInk?.forEach(i => i.rootDoc.strokeStartMarker = value); }
set markTail(value) { this.selectedInk?.forEach(i => i.rootDoc.strokeEndMarker = value); }
set unStrokd(value) { this.colorStk = value ? "" : this._lastLine; }
set solidStk(value) { this.dashdStk = ""; this.unStrokd = !value; }
set dashdStk(value) {
value && (this._lastDash = value) && (this.unStrokd = false);
this.selectedInk?.forEach(i => i.rootDoc.strokeDash = value ? this._lastDash : undefined);
}
set shapeXps(value) { this.selectedInk?.forEach(i => i.rootDoc.x = Number(value)); }
set shapeYps(value) { this.selectedInk?.forEach(i => i.rootDoc.y = Number(value)); }
set shapeRot(value) { this.selectedInk?.forEach(i => i.rootDoc.rotation = Number(value)); }
set widthStk(value) { this.selectedInk?.forEach(i => i.rootDoc.strokeWidth = Number(value)); }
set shapeWid(value) {
this.selectedInk?.filter(i => i.rootDoc._width && i.rootDoc._height).forEach(i => {
const oldWidth = NumCast(i.rootDoc._width);
i.rootDoc._width = Number(value);
this._lock && (i.rootDoc._height = (i.rootDoc._width * NumCast(i.rootDoc._height)) / oldWidth);
});
}
set shapeHgt(value) {
this.selectedInk?.filter(i => i.rootDoc._width && i.rootDoc._height).forEach(i => {
const oldHeight = NumCast(i.rootDoc._height);
i.rootDoc._height = Number(value);
this._lock && (i.rootDoc._width = (i.rootDoc._height * NumCast(i.rootDoc._width)) / oldHeight);
});
}
constructor() {
InkStrokeProperties.Instance = this;
}
@undoBatch
@action
addPoints = (x: number, y: number, pts: { X: number, Y: number }[], index: number, control: { X: number, Y: number }[]) => {
this.selectedInk?.forEach(action(inkView => {
if (this.selectedInk?.length === 1) {
const doc = Document(inkView.rootDoc);
if (doc.type === DocumentType.INK) {
const ink = Cast(doc.data, InkField)?.inkData;
if (ink) {
const newPoints: { X: number, Y: number }[] = [];
var counter = 0;
for (var k = 0; k < index; k++) {
control.forEach(pt => (pts[k].X === pt.X && pts[k].Y === pt.Y) && counter++);
}
//decide where to put the new coordinate
const spNum = Math.floor(counter / 2) * 4 + 2;
for (var i = 0; i < spNum; i++) {
ink[i] && newPoints.push({ X: ink[i].X, Y: ink[i].Y });
}
for (var j = 0; j < 4; j++) {
newPoints.push({ X: x, Y: y });
}
for (var i = spNum; i < ink.length; i++) {
newPoints.push({ X: ink[i].X, Y: ink[i].Y });
}
this._currPoint = -1;
Doc.GetProto(doc).data = new InkField(newPoints);
}
}
}
}));
}
applyFunction = (func: (doc: Doc, ink: InkData, ptsXscale: number, ptsYscale: number) => { X: number, Y: number }[] | undefined, requireCurrPoint: boolean = false) => {
var appliedFunc = false;
this.selectedInk?.forEach(action(inkView => {
if (this.selectedInk?.length === 1 && (!requireCurrPoint || this._currPoint !== -1)) {
const doc = Document(inkView.rootDoc);
if (doc.type === DocumentType.INK && doc.width && doc.height) {
const ink = Cast(doc.data, InkField)?.inkData;
if (ink) {
const oldXrange = (xs => ({ coord: NumCast(doc.x), min: Math.min(...xs), max: Math.max(...xs) }))(ink.map(p => p.X));
const oldYrange = (ys => ({ coord: NumCast(doc.y), min: Math.min(...ys), max: Math.max(...ys) }))(ink.map(p => p.Y));
const ptsXscale = NumCast(doc._width) / (oldXrange.max - oldXrange.min);
const ptsYscale = NumCast(doc._height) / (oldYrange.max - oldYrange.min);
const newPoints = func(doc, ink, ptsXscale, ptsYscale);
if (newPoints) {
const newXrange = (xs => ({ min: Math.min(...xs), max: Math.max(...xs) }))(newPoints.map(p => p.X));
const newYrange = (ys => ({ min: Math.min(...ys), max: Math.max(...ys) }))(newPoints.map(p => p.Y));
doc._width = (newXrange.max - newXrange.min) * ptsXscale;
doc._height = (newYrange.max - newYrange.min) * ptsYscale;
doc.x = (oldXrange.coord + (newXrange.min - oldXrange.min) * ptsXscale);
doc.y = (oldYrange.coord + (newYrange.min - oldYrange.min) * ptsYscale);
Doc.GetProto(doc).data = new InkField(newPoints);
appliedFunc = true;
}
}
}
}
}));
return appliedFunc;
}
@undoBatch
@action
deletePoints = () => this.applyFunction((doc: Doc, ink: InkData) => {
var newPoints: { X: number, Y: number }[] = [];
const toRemove = Math.floor(((this._currPoint + 2) / 4));
for (var i = 0; i < ink.length; i++) {
if (Math.floor((i + 2) / 4) !== toRemove && (toRemove !== 0 || i > 3)) {
newPoints.push({ X: ink[i].X, Y: ink[i].Y });
}
}
this._currPoint = -1;
if (newPoints.length < 4) return undefined;
if (newPoints.length === 4) {
const newerPoints: { X: number, Y: number }[] = [];
newerPoints.push({ X: newPoints[0].X, Y: newPoints[0].Y });
newerPoints.push({ X: newPoints[0].X, Y: newPoints[0].Y });
newerPoints.push({ X: newPoints[3].X, Y: newPoints[3].Y });
newerPoints.push({ X: newPoints[3].X, Y: newPoints[3].Y });
return newerPoints;
}
return newPoints;
}, true);
@undoBatch
@action
rotate = (angle: number) => {
this.applyFunction((doc: Doc, ink: InkData, ptsXscale: number, ptsYscale: number) => {
const oldXrange = (xs => ({ coord: NumCast(doc.x), min: Math.min(...xs), max: Math.max(...xs) }))(ink.map(p => p.X));
const oldYrange = (ys => ({ coord: NumCast(doc.y), min: Math.min(...ys), max: Math.max(...ys) }))(ink.map(p => p.Y));
const centerPoint = { X: (oldXrange.min + oldXrange.max) / 2, Y: (oldYrange.min + oldYrange.max) / 2 };
const newPoints: { X: number, Y: number }[] = [];
ink.map(i => ({ X: i.X - centerPoint.X, Y: i.Y - centerPoint.Y })).forEach(i => {
const newX = Math.cos(angle) * i.X - Math.sin(angle) * i.Y;
const newY = Math.sin(angle) * i.X + Math.cos(angle) * i.Y;
newPoints.push({ X: newX + centerPoint.X, Y: newY + centerPoint.Y });
});
doc.rotation = NumCast(doc.rotation) + angle;
return newPoints;
});
}
@undoBatch
@action
control = (xDiff: number, yDiff: number, controlNum: number) =>
this.applyFunction((doc: Doc, ink: InkData, ptsXscale: number, ptsYscale: number) => {
const newPoints: { X: number, Y: number }[] = [];
const order = controlNum % 4;
for (var i = 0; i < ink.length; i++) {
newPoints.push(
(controlNum === i ||
(order === 0 && i === controlNum + 1) ||
(order === 0 && controlNum !== 0 && i === controlNum - 2) ||
(order === 0 && controlNum !== 0 && i === controlNum - 1) ||
(order === 3 && i === controlNum - 1) ||
(order === 3 && controlNum !== ink.length - 1 && i === controlNum + 1) ||
(order === 3 && controlNum !== ink.length - 1 && i === controlNum + 2) ||
((ink[0].X === ink[ink.length - 1].X) && (ink[0].Y === ink[ink.length - 1].Y) && (i === 0 || i === ink.length - 1) && (controlNum === 0 || controlNum === ink.length - 1))
) ?
{ X: ink[i].X - xDiff / ptsXscale, Y: ink[i].Y - yDiff / ptsYscale } :
{ X: ink[i].X, Y: ink[i].Y });
}
return newPoints;
});
@undoBatch
@action
switchStk = (color: ColorState) => {
const val = String(color.hex);
this.colorStk = val;
return true;
}
@undoBatch
@action
switchFil = (color: ColorState) => {
const val = String(color.hex);
this.colorFil = val;
return true;
}
}
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