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* Copyright 2021 Harness Inc. All rights reserved.
* Use of this source code is governed by the PolyForm Shield 1.0.0 license
* that can be found in the licenses directory at the root of this repository, also available at
* https://polyformproject.org/wp-content/uploads/2020/06/PolyForm-Shield-1.0.0.txt.
*/
import {
LabelModel,
LinkModel,
LinkModelGenerics,
LinkModelListener,
PortModel,
PortModelAlignment
} from '@projectstorm/react-diagrams-core'
import { Point } from '@projectstorm/geometry'
import type { BaseEntityEvent, BaseModelOptions, DeserializeEvent } from '@projectstorm/react-canvas-core'
import { DefaultLabelModel } from '../label/DefaultLabelModel'
import { DiagramType, Event } from '../Constants'
export interface DefaultLinkModelListener extends LinkModelListener {
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore
colorChanged?(event: BaseEntityEvent<DefaultLinkModel> & { color: null | string }): void
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore
widthChanged?(event: BaseEntityEvent<DefaultLinkModel> & { width: 0 | number }): void
}
export interface DefaultLinkModelOptions extends BaseModelOptions {
width?: number
color?: string
selectedColor?: string
curvyness?: number
strokeDasharray?: number
type?: string
maxLinePartLength?: { type: 'in' | 'out'; size: number }
allowAdd?: boolean
testName?: string
curve?: number
}
export interface DefaultLinkModelGenerics extends LinkModelGenerics {
LISTENER: DefaultLinkModelListener
OPTIONS: DefaultLinkModelOptions
}
export class DefaultLinkModel extends LinkModel<DefaultLinkModelGenerics> {
constructor(options: DefaultLinkModelOptions = {}) {
super({
type: DiagramType.Default,
width: options.width || 2,
curve: options.curve || 12,
strokeDasharray: options.strokeDasharray ?? 0,
allowAdd: options.allowAdd || true,
color: options.color || 'var(--diagram-link)',
selectedColor: options.selectedColor || 'var(--diagram-hover-link-color)',
curvyness: 50,
...options
})
}
calculateControlOffset(port: PortModel): [number, number] {
if (port.getOptions().alignment === PortModelAlignment.RIGHT) {
return [this.options.curvyness || 0, 0]
} else if (port.getOptions().alignment === PortModelAlignment.LEFT) {
return [-(this.options.curvyness || 0), 0]
} else if (port.getOptions().alignment === PortModelAlignment.TOP) {
return [0, -(this.options.curvyness || 0)]
}
return [0, this.options.curvyness || 0]
}
setColorOfLink(color: string): void {
this.options.color = color
}
getSVGPath(): string | undefined {
if (this.points.length == 2) {
const firstPoint = this.getFirstPoint().clone().getPosition()
firstPoint.x += 3
const lastPoint = this.getLastPoint().clone().getPosition()
lastPoint.x -= 3
if (Math.abs(firstPoint.y - lastPoint.y) > 3 && this.options.curve) {
const diameter = this.options.curve * 2
const topToBottom = lastPoint.y - firstPoint.y > 0
let middlePoint = (firstPoint.x + lastPoint.x) / 2
if (this.options.maxLinePartLength) {
middlePoint =
this.options.maxLinePartLength.type === 'in'
? firstPoint.x + this.options.maxLinePartLength.size
: lastPoint.x - this.options.maxLinePartLength.size
}
const midX = new Point(middlePoint, firstPoint.y)
const midX1 = new Point(midX.x - diameter, midX.y)
const midX2 = topToBottom ? new Point(midX.x, midX.y + diameter) : new Point(midX.x, midX.y - diameter)
const midY = new Point(midX.x, lastPoint.y)
const midY1 = topToBottom
? new Point(midX.x, lastPoint.y - diameter)
: new Point(midX.x, lastPoint.y + diameter)
const midY2 = new Point(midX.x + diameter, lastPoint.y)
return `M${firstPoint.toSVG()} L${midX1.toSVG()} Q${midX.toSVG()} ${midX2.toSVG()} L${midY1.toSVG()} Q${midY.toSVG()} ${midY2.toSVG()} L${lastPoint.toSVG()}`
}
return `M${firstPoint.toSVG()} L${lastPoint.toSVG()}`
}
}
serialize(): any {
return {
...super.serialize(),
width: this.options.width,
color: this.options.color,
curvyness: this.options.curvyness,
selectedColor: this.options.selectedColor
}
}
deserialize(event: DeserializeEvent<this>): void {
super.deserialize(event)
this.options.color = event.data.color
this.options.width = event.data.width
this.options.curvyness = event.data.curvyness
this.options.selectedColor = event.data.selectedColor
}
addLabel(label: LabelModel | string): void {
Iif (label instanceof LabelModel) {
return super.addLabel(label)
}
const labelOb = new DefaultLabelModel()
labelOb.setLabel(label)
return super.addLabel(labelOb)
}
setWidth(width: number): void {
this.options.width = width
this.fireEvent({ width }, Event.widthChanged)
}
setColor(color: string): void {
this.options.color = color
this.fireEvent({ color }, Event.colorChanged)
}
}
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