diff options
Diffstat (limited to 'src/client/util/InteractionUtils.tsx')
| -rw-r--r-- | src/client/util/InteractionUtils.tsx | 240 |
1 files changed, 125 insertions, 115 deletions
diff --git a/src/client/util/InteractionUtils.tsx b/src/client/util/InteractionUtils.tsx index 289c5bc51..4af51b9a0 100644 --- a/src/client/util/InteractionUtils.tsx +++ b/src/client/util/InteractionUtils.tsx @@ -1,12 +1,12 @@ -import React = require("react"); -import { Utils } from "../../Utils"; -import "./InteractionUtils.scss"; +import React = require('react'); +import { Utils } from '../../Utils'; +import './InteractionUtils.scss'; export namespace InteractionUtils { - export const MOUSETYPE = "mouse"; - export const TOUCHTYPE = "touch"; - export const PENTYPE = "pen"; - export const ERASERTYPE = "eraser"; + export const MOUSETYPE = 'mouse'; + export const TOUCHTYPE = 'touch'; + export const PENTYPE = 'pen'; + export const ERASERTYPE = 'eraser'; const POINTER_PEN_BUTTON = -1; const REACT_POINTER_PEN_BUTTON = 0; @@ -19,24 +19,23 @@ export namespace InteractionUtils { readonly touches: T extends React.TouchEvent ? React.Touch[] : Touch[], readonly changedTouches: T extends React.TouchEvent ? React.Touch[] : Touch[], readonly touchEvent: T extends React.TouchEvent ? React.TouchEvent : TouchEvent - ) { } + ) {} } - export interface MultiTouchEventDisposer { (): void; } + export interface MultiTouchEventDisposer { + (): void; + } /** * * @param element - element to turn into a touch target * @param startFunc - event handler, typically Touchable.onTouchStart (classes that inherit touchable can pass in this.onTouchStart) */ - export function MakeMultiTouchTarget( - element: HTMLElement, - startFunc: (e: Event, me: MultiTouchEvent<React.TouchEvent>) => void - ): MultiTouchEventDisposer { + export function MakeMultiTouchTarget(element: HTMLElement, startFunc: (e: Event, me: MultiTouchEvent<React.TouchEvent>) => void): MultiTouchEventDisposer { const onMultiTouchStartHandler = (e: Event) => startFunc(e, (e as CustomEvent<MultiTouchEvent<React.TouchEvent>>).detail); // const onMultiTouchMoveHandler = moveFunc ? (e: Event) => moveFunc(e, (e as CustomEvent<MultiTouchEvent<TouchEvent>>).detail) : undefined; // const onMultiTouchEndHandler = endFunc ? (e: Event) => endFunc(e, (e as CustomEvent<MultiTouchEvent<TouchEvent>>).detail) : undefined; - element.addEventListener("dashOnTouchStart", onMultiTouchStartHandler); + element.addEventListener('dashOnTouchStart', onMultiTouchStartHandler); // if (onMultiTouchMoveHandler) { // element.addEventListener("dashOnTouchMove", onMultiTouchMoveHandler); // } @@ -44,7 +43,7 @@ export namespace InteractionUtils { // element.addEventListener("dashOnTouchEnd", onMultiTouchEndHandler); // } return () => { - element.removeEventListener("dashOnTouchStart", onMultiTouchStartHandler); + element.removeEventListener('dashOnTouchStart', onMultiTouchStartHandler); // if (onMultiTouchMoveHandler) { // element.removeEventListener("dashOnTouchMove", onMultiTouchMoveHandler); // } @@ -59,14 +58,11 @@ export namespace InteractionUtils { * @param element - element to add events to * @param func - function to add to the event */ - export function MakeHoldTouchTarget( - element: HTMLElement, - func: (e: Event, me: MultiTouchEvent<React.TouchEvent>) => void - ): MultiTouchEventDisposer { + export function MakeHoldTouchTarget(element: HTMLElement, func: (e: Event, me: MultiTouchEvent<React.TouchEvent>) => void): MultiTouchEventDisposer { const handler = (e: Event) => func(e, (e as CustomEvent<MultiTouchEvent<React.TouchEvent>>).detail); - element.addEventListener("dashOnTouchHoldStart", handler); + element.addEventListener('dashOnTouchHoldStart', handler); return () => { - element.removeEventListener("dashOnTouchHoldStart", handler); + element.removeEventListener('dashOnTouchHoldStart', handler); }; } @@ -89,71 +85,108 @@ export namespace InteractionUtils { return myTouches; } - export function CreatePolyline(points: { X: number, Y: number }[], left: number, top: number, - color: string, width: number, strokeWidth: number, lineJoin: string, lineCap: string, bezier: string, fill: string, arrowStart: string, arrowEnd: string, - markerScale: number, dash: string | undefined, scalex: number, scaley: number, shape: string, pevents: string, opacity: number, nodefs: boolean, - downHdlr?: ((e: React.PointerEvent) => void)) { + export function CreatePolyline( + points: { X: number; Y: number }[], + left: number, + top: number, + color: string, + width: number, + strokeWidth: number, + lineJoin: string, + lineCap: string, + bezier: string, + fill: string, + arrowStart: string, + arrowEnd: string, + markerScale: number, + dash: string | undefined, + scalex: number, + scaley: number, + shape: string, + pevents: string, + opacity: number, + nodefs: boolean, + downHdlr?: (e: React.PointerEvent) => void + ) { const pts = shape ? makePolygon(shape, points) : points; if (isNaN(scalex)) scalex = 1; if (isNaN(scaley)) scaley = 1; - const toScr = (p: { X: number, Y: number }) => ` ${!p ? 0 : (p.X - left - width / 2) * scalex + width / 2}, ${!p ? 0 : (p.Y - top - width / 2) * scaley + width / 2} `; - const strpts = bezier ? - pts.reduce((acc: string, pt, i) => acc + (i % 4 !== 0 ? "" : (i === 0 ? "M" + toScr(pt) : "") + "C" + toScr(pts[i + 1]) + toScr(pts[i + 2]) + toScr(pts[i + 3])), "") : - pts.reduce((acc: string, pt) => acc + `${toScr(pt)} `, ""); + const toScr = (p: { X: number; Y: number }) => ` ${!p ? 0 : (p.X - left - width / 2) * scalex + width / 2}, ${!p ? 0 : (p.Y - top - width / 2) * scaley + width / 2} `; + const strpts = bezier + ? pts.reduce((acc: string, pt, i) => acc + (i % 4 !== 0 ? '' : (i === 0 ? 'M' + toScr(pt) : '') + 'C' + toScr(pts[i + 1]) + toScr(pts[i + 2]) + toScr(pts[i + 3])), '') + : pts.reduce((acc: string, pt) => acc + `${toScr(pt)} `, ''); const dashArray = dash && Number(dash) ? String(Number(width) * Number(dash)) : undefined; const defGuid = Utils.GenerateGuid(); - const Tag = (bezier ? "path" : "polyline") as keyof JSX.IntrinsicElements; + const Tag = (bezier ? 'path' : 'polyline') as keyof JSX.IntrinsicElements; const markerStrokeWidth = strokeWidth / 2; - const arrowWidthFactor = 3 * (markerScale || 0.5);// used to be 1.5 + const arrowWidthFactor = 3 * (markerScale || 0.5); // used to be 1.5 const arrowLengthFactor = 5 * (markerScale || 0.5); const arrowNotchFactor = 2 * (markerScale || 0.5); - return (<svg fill={color} onPointerDown={downHdlr}> {/* setting the svg fill sets the arrowStart fill */} - {nodefs ? (null) : <defs> - {arrowStart !== "dot" && arrowEnd !== "dot" ? (null) : - <marker id={`dot${defGuid}`} orient="auto" markerUnits="userSpaceOnUse" refX={0} refY="0" overflow="visible"> - <circle r={strokeWidth * arrowWidthFactor} fill="context-stroke" /> - </marker>} - {arrowStart !== "arrow" ? (null) : - <marker id={`arrowStart${defGuid}`} markerUnits="userSpaceOnUse" orient="auto" overflow="visible" refX={markerStrokeWidth * (arrowLengthFactor - arrowNotchFactor)} refY={0} markerWidth="10" markerHeight="7"> - <polygon style={{ stroke: color }} strokeLinejoin={lineJoin as any} strokeWidth={markerStrokeWidth * 2 / 3} - points={`${arrowLengthFactor * markerStrokeWidth} ${-markerStrokeWidth * arrowWidthFactor}, ${markerStrokeWidth * (arrowLengthFactor - arrowNotchFactor)} 0, ${arrowLengthFactor * markerStrokeWidth} ${markerStrokeWidth * arrowWidthFactor}, 0 0`} /> - </marker>} - {arrowEnd !== "arrow" ? (null) : - <marker id={`arrowEnd${defGuid}`} markerUnits="userSpaceOnUse" orient="auto" overflow="visible" refX={markerStrokeWidth * arrowNotchFactor} refY={0} markerWidth="10" markerHeight="7"> - <polygon style={{ stroke: color }} strokeLinejoin={lineJoin as any} strokeWidth={markerStrokeWidth * 2 / 3} - points={`0 ${-markerStrokeWidth * arrowWidthFactor}, ${markerStrokeWidth * arrowNotchFactor} 0, 0 ${markerStrokeWidth * arrowWidthFactor}, ${arrowLengthFactor * markerStrokeWidth} 0`} /> - </marker>} - </defs>} - - <Tag - d={bezier ? strpts : undefined} - points={bezier ? undefined : strpts} - style={{ - // filter: drawHalo ? "url(#inkSelectionHalo)" : undefined, - fill: fill && fill !== "transparent" ? fill : "none", - opacity: 1.0, - // opacity: strokeWidth !== width ? 0.5 : undefined, - pointerEvents: pevents as any, - stroke: color ?? "rgb(0, 0, 0)", - strokeWidth: strokeWidth, - strokeLinecap: lineCap as any, - strokeDasharray: dashArray - }} - markerStart={`url(#${arrowStart === "dot" ? arrowStart + defGuid : arrowStart + "Start" + defGuid})`} - markerEnd={`url(#${arrowEnd === "dot" ? arrowEnd + defGuid : arrowEnd + "End" + defGuid})`} - /> - - </svg>); + return ( + <svg fill={color} style={{ transition: 'inherit' }} onPointerDown={downHdlr}> + {' '} + {/* setting the svg fill sets the arrowStart fill */} + {nodefs ? null : ( + <defs> + {arrowStart !== 'dot' && arrowEnd !== 'dot' ? null : ( + <marker id={`dot${defGuid}`} orient="auto" markerUnits="userSpaceOnUse" refX={0} refY="0" overflow="visible"> + <circle r={strokeWidth * arrowWidthFactor} fill="context-stroke" /> + </marker> + )} + {arrowStart !== 'arrow' ? null : ( + <marker id={`arrowStart${defGuid}`} markerUnits="userSpaceOnUse" orient="auto" overflow="visible" refX={markerStrokeWidth * (arrowLengthFactor - arrowNotchFactor)} refY={0} markerWidth="10" markerHeight="7"> + <polygon + style={{ stroke: color }} + strokeLinejoin={lineJoin as any} + strokeWidth={(markerStrokeWidth * 2) / 3} + points={`${arrowLengthFactor * markerStrokeWidth} ${-markerStrokeWidth * arrowWidthFactor}, ${markerStrokeWidth * (arrowLengthFactor - arrowNotchFactor)} 0, ${arrowLengthFactor * markerStrokeWidth} ${ + markerStrokeWidth * arrowWidthFactor + }, 0 0`} + /> + </marker> + )} + {arrowEnd !== 'arrow' ? null : ( + <marker id={`arrowEnd${defGuid}`} markerUnits="userSpaceOnUse" orient="auto" overflow="visible" refX={markerStrokeWidth * arrowNotchFactor} refY={0} markerWidth="10" markerHeight="7"> + <polygon + style={{ stroke: color }} + strokeLinejoin={lineJoin as any} + strokeWidth={(markerStrokeWidth * 2) / 3} + points={`0 ${-markerStrokeWidth * arrowWidthFactor}, ${markerStrokeWidth * arrowNotchFactor} 0, 0 ${markerStrokeWidth * arrowWidthFactor}, ${arrowLengthFactor * markerStrokeWidth} 0`} + /> + </marker> + )} + </defs> + )} + <Tag + d={bezier ? strpts : undefined} + points={bezier ? undefined : strpts} + style={{ + // filter: drawHalo ? "url(#inkSelectionHalo)" : undefined, + fill: fill && fill !== 'transparent' ? fill : 'none', + opacity: 1.0, + // opacity: strokeWidth !== width ? 0.5 : undefined, + pointerEvents: pevents as any, + stroke: color ?? 'rgb(0, 0, 0)', + strokeWidth: strokeWidth, + strokeLinecap: lineCap as any, + strokeDasharray: dashArray, + transition: 'inherit', + }} + markerStart={`url(#${arrowStart === 'dot' ? arrowStart + defGuid : arrowStart + 'Start' + defGuid})`} + markerEnd={`url(#${arrowEnd === 'dot' ? arrowEnd + defGuid : arrowEnd + 'End' + defGuid})`} + /> + </svg> + ); } - export function makePolygon(shape: string, points: { X: number, Y: number }[]) { + export function makePolygon(shape: string, points: { X: number; Y: number }[]) { if (points.length > 1 && points[points.length - 1].X === points[0].X && points[points.length - 1].Y + 1 === points[0].Y) { //pointer is up (first and last points are the same) - if (shape === "arrow" || shape === "line" || shape === "circle") { + if (shape === 'arrow' || shape === 'line' || shape === 'circle') { //if arrow or line, the two end points should be the starting and the ending point var left = points[0].X; var top = points[0].Y; @@ -175,7 +208,7 @@ export namespace InteractionUtils { left = points[0].X; bottom = points[points.length - 1].Y; top = points[0].Y; - if (shape !== "arrow" && shape !== "line" && shape !== "circle") { + if (shape !== 'arrow' && shape !== 'line' && shape !== 'circle') { //switch left/right and top/bottom if needed if (left > right) { const temp = right; @@ -191,14 +224,13 @@ export namespace InteractionUtils { } points = []; switch (shape) { - case "rectangle": + case 'rectangle': points.push({ X: left, Y: top }); points.push({ X: right, Y: top }); points.push({ X: right, Y: bottom }); points.push({ X: left, Y: bottom }); points.push({ X: left, Y: top }); - return points; - case "triangle": + case 'triangle': // points.push({ X: left, Y: bottom }); // points.push({ X: right, Y: bottom }); // points.push({ X: (right + left) / 2, Y: top }); @@ -219,62 +251,39 @@ export namespace InteractionUtils { points.push({ X: left, Y: bottom }); points.push({ X: left, Y: bottom }); - - - return points; - case "circle": + case 'circle': const centerX = (Math.max(left, right) + Math.min(left, right)) / 2; const centerY = (Math.max(top, bottom) + Math.min(top, bottom)) / 2; const radius = Math.max(centerX - Math.min(left, right), centerY - Math.min(top, bottom)); if (centerX - Math.min(left, right) < centerY - Math.min(top, bottom)) { for (var y = Math.min(top, bottom); y < Math.max(top, bottom); y++) { - const x = Math.sqrt(Math.pow(radius, 2) - (Math.pow((y - centerY), 2))) + centerX; + const x = Math.sqrt(Math.pow(radius, 2) - Math.pow(y - centerY, 2)) + centerX; points.push({ X: x, Y: y }); } for (var y = Math.max(top, bottom); y > Math.min(top, bottom); y--) { - const x = Math.sqrt(Math.pow(radius, 2) - (Math.pow((y - centerY), 2))) + centerX; + const x = Math.sqrt(Math.pow(radius, 2) - Math.pow(y - centerY, 2)) + centerX; const newX = centerX - (x - centerX); points.push({ X: newX, Y: y }); } - points.push({ X: Math.sqrt(Math.pow(radius, 2) - (Math.pow((Math.min(top, bottom) - centerY), 2))) + centerX, Y: Math.min(top, bottom) }); + points.push({ X: Math.sqrt(Math.pow(radius, 2) - Math.pow(Math.min(top, bottom) - centerY, 2)) + centerX, Y: Math.min(top, bottom) }); } else { for (var x = Math.min(left, right); x < Math.max(left, right); x++) { - const y = Math.sqrt(Math.pow(radius, 2) - (Math.pow((x - centerX), 2))) + centerY; + const y = Math.sqrt(Math.pow(radius, 2) - Math.pow(x - centerX, 2)) + centerY; points.push({ X: x, Y: y }); } for (var x = Math.max(left, right); x > Math.min(left, right); x--) { - const y = Math.sqrt(Math.pow(radius, 2) - (Math.pow((x - centerX), 2))) + centerY; + const y = Math.sqrt(Math.pow(radius, 2) - Math.pow(x - centerX, 2)) + centerY; const newY = centerY - (y - centerY); points.push({ X: x, Y: newY }); } - points.push({ X: Math.min(left, right), Y: Math.sqrt(Math.pow(radius, 2) - (Math.pow((Math.min(left, right) - centerX), 2))) + centerY }); + points.push({ X: Math.min(left, right), Y: Math.sqrt(Math.pow(radius, 2) - Math.pow(Math.min(left, right) - centerX, 2)) + centerY }); } - return points; - // case "arrow": - // const x1 = left; - // const y1 = top; - // const x2 = right; - // const y2 = bottom; - // const L1 = Math.sqrt(Math.pow(Math.abs(x1 - x2), 2) + (Math.pow(Math.abs(y1 - y2), 2))); - // const L2 = L1 / 5; - // const angle = 0.785398; - // const x3 = x2 + (L2 / L1) * ((x1 - x2) * Math.cos(angle) + (y1 - y2) * Math.sin(angle)); - // const y3 = y2 + (L2 / L1) * ((y1 - y2) * Math.cos(angle) - (x1 - x2) * Math.sin(angle)); - // const x4 = x2 + (L2 / L1) * ((x1 - x2) * Math.cos(angle) - (y1 - y2) * Math.sin(angle)); - // const y4 = y2 + (L2 / L1) * ((y1 - y2) * Math.cos(angle) + (x1 - x2) * Math.sin(angle)); - // points.push({ X: x1, Y: y1 }); - // points.push({ X: x2, Y: y2 }); - // points.push({ X: x3, Y: y3 }); - // points.push({ X: x4, Y: y4 }); - // points.push({ X: x2, Y: y2 }); - // return points; - case "line": + case 'line': points.push({ X: left, Y: top }); points.push({ X: right, Y: bottom }); return points; - default: - return points; } + return points; } /** * Returns whether or not the pointer event passed in is of the type passed in @@ -284,11 +293,14 @@ export namespace InteractionUtils { export function IsType(e: PointerEvent | React.PointerEvent, type: string): boolean { switch (type) { // pen and eraser are both pointer type 'pen', but pen is button 0 and eraser is button 5. -syip2 - case PENTYPE: return e.pointerType === PENTYPE && (e.button === -1 || e.button === 0); - case ERASERTYPE: return e.pointerType === PENTYPE && e.button === (e instanceof PointerEvent ? ERASER_BUTTON : ERASER_BUTTON); + case PENTYPE: + return e.pointerType === PENTYPE && (e.button === -1 || e.button === 0); + case ERASERTYPE: + return e.pointerType === PENTYPE && e.button === (e instanceof PointerEvent ? ERASER_BUTTON : ERASER_BUTTON); case TOUCHTYPE: return e.pointerType === TOUCHTYPE; - default: return e.pointerType === type; + default: + return e.pointerType === type; } } @@ -305,7 +317,7 @@ export namespace InteractionUtils { * Returns the centroid of an n-arbitrary long list of points (takes the average the x and y components of each point) * @param pts - n-arbitrary long list of points */ - export function CenterPoint(pts: React.Touch[]): { X: number, Y: number } { + export function CenterPoint(pts: React.Touch[]): { X: number; Y: number } { const centerX = pts.map(pt => pt.clientX).reduce((a, b) => a + b, 0) / pts.length; const centerY = pts.map(pt => pt.clientY).reduce((a, b) => a + b, 0) / pts.length; return { X: centerX, Y: centerY }; @@ -324,9 +336,9 @@ export namespace InteractionUtils { const newDist = TwoPointEuclidist(pt1, pt2); /** if they have the same sign, then we are either pinching in or out. - * threshold it by 10 (it has to be pinching by at least threshold to be a valid pinch) - * so that it can still pan without freaking out - */ + * threshold it by 10 (it has to be pinching by at least threshold to be a valid pinch) + * so that it can still pan without freaking out + */ if (Math.sign(oldDist) === Math.sign(newDist) && Math.abs(oldDist - newDist) > threshold) { return Math.sign(oldDist - newDist); } @@ -372,8 +384,6 @@ export namespace InteractionUtils { // These might not be very useful anymore, but I'll leave them here for now -syip2 { - - /** * Returns the type of Touch Interaction from a list of points. * Also returns any data that is associated with a Touch Interaction |