@foblex/flow
Version:
An Angular library designed to simplify the creation and manipulation of dynamic flow. Provides components for flows, nodes, and connections, automating node manipulation and inter-node connections.
152 lines • 18.3 kB
JavaScript
import { booleanAttribute, DestroyRef, Directive, EventEmitter, inject, Input, Output, } from "@angular/core";
import { PointExtensions, SizeExtensions } from '@foblex/2d';
import { NotifyTransformChangedRequest } from '../f-storage';
import { FMediator } from '@foblex/mediator';
import { F_NODE, FNodeBase } from './f-node-base';
import { AddNodeToStoreRequest, UpdateNodeWhenStateOrSizeChangedRequest, RemoveNodeFromStoreRequest } from '../domain';
import * as i0 from "@angular/core";
import * as i1 from "@foblex/platform";
let uniqueId = 0;
export class FNodeDirective extends FNodeBase {
renderer;
fBrowser;
_destroyRef = inject(DestroyRef);
_fMediator = inject(FMediator);
fId = `f-node-${uniqueId++}`;
fParentId = null;
set position(value) {
if (!PointExtensions.isEqual(this._position, value)) {
this._position = value;
this.redraw();
this.refresh();
}
}
get position() {
return this._position;
}
positionChange = new EventEmitter();
set size(value) {
if (!this.size || !SizeExtensions.isEqual(this._size, value)) {
this._size = value;
this.redraw();
this.refresh();
}
}
set rotate(value) {
if (this._rotate !== value) {
this._rotate = value;
this.redraw();
this.refresh();
}
}
get rotate() {
return this._rotate;
}
rotateChange = new EventEmitter();
get size() {
return this._size;
}
sizeChange = new EventEmitter();
fDraggingDisabled = false;
fSelectionDisabled = false;
fIncludePadding = true;
//Add ability to connect to first connectable input if node is at pointer position
fConnectOnNode = true;
fMinimapClass = [];
constructor(elementReference, renderer, fBrowser) {
super(elementReference.nativeElement);
this.renderer = renderer;
this.fBrowser = fBrowser;
}
ngOnInit() {
this.setStyle('position', 'absolute');
this.setStyle('transform-origin', 'center');
this.setStyle('user-select', 'none');
this.setStyle('pointer-events', 'all');
this.setStyle('left', '0');
this.setStyle('top', '0');
super.redraw();
this._fMediator.execute(new AddNodeToStoreRequest(this));
}
setStyle(styleName, value) {
this.renderer.setStyle(this.hostElement, styleName, value);
}
redraw() {
super.redraw();
this._fMediator.execute(new NotifyTransformChangedRequest());
}
ngAfterViewInit() {
if (!this.fBrowser.isBrowser()) {
return;
}
this._listenStateSizeChanges();
}
_listenStateSizeChanges() {
this._fMediator.execute(new UpdateNodeWhenStateOrSizeChangedRequest(this, this._destroyRef));
}
refresh() {
this.stateChanges.notify();
}
ngOnDestroy() {
this._fMediator.execute(new RemoveNodeFromStoreRequest(this));
}
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: FNodeDirective, deps: [{ token: i0.ElementRef }, { token: i0.Renderer2 }, { token: i1.BrowserService }], target: i0.ɵɵFactoryTarget.Directive });
static ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "16.1.0", version: "18.2.13", type: FNodeDirective, selector: "[fNode]", inputs: { fId: ["fNodeId", "fId"], fParentId: ["fNodeParentId", "fParentId"], position: ["fNodePosition", "position"], size: ["fNodeSize", "size"], rotate: ["fNodeRotate", "rotate"], fDraggingDisabled: ["fNodeDraggingDisabled", "fDraggingDisabled", booleanAttribute], fSelectionDisabled: ["fNodeSelectionDisabled", "fSelectionDisabled", booleanAttribute], fIncludePadding: ["fIncludePadding", "fIncludePadding", booleanAttribute], fConnectOnNode: ["fConnectOnNode", "fConnectOnNode", booleanAttribute], fMinimapClass: "fMinimapClass" }, outputs: { positionChange: "fNodePositionChange", rotateChange: "fNodeRotateChange", sizeChange: "fNodeSizeChange" }, host: { properties: { "attr.data-f-node-id": "fId", "class.f-node-dragging-disabled": "fDraggingDisabled", "class.f-node-selection-disabled": "fSelectionDisabled" }, classAttribute: "f-node f-component" }, providers: [
{ provide: F_NODE, useExisting: FNodeDirective }
], exportAs: ["fComponent"], usesInheritance: true, ngImport: i0 });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: FNodeDirective, decorators: [{
type: Directive,
args: [{
selector: "[fNode]",
exportAs: "fComponent",
host: {
'[attr.data-f-node-id]': 'fId',
class: "f-node f-component",
'[class.f-node-dragging-disabled]': 'fDraggingDisabled',
'[class.f-node-selection-disabled]': 'fSelectionDisabled',
},
providers: [
{ provide: F_NODE, useExisting: FNodeDirective }
],
}]
}], ctorParameters: () => [{ type: i0.ElementRef }, { type: i0.Renderer2 }, { type: i1.BrowserService }], propDecorators: { fId: [{
type: Input,
args: ['fNodeId']
}], fParentId: [{
type: Input,
args: ['fNodeParentId']
}], position: [{
type: Input,
args: ['fNodePosition']
}], positionChange: [{
type: Output,
args: ['fNodePositionChange']
}], size: [{
type: Input,
args: ['fNodeSize']
}], rotate: [{
type: Input,
args: ['fNodeRotate']
}], rotateChange: [{
type: Output,
args: ['fNodeRotateChange']
}], sizeChange: [{
type: Output,
args: ['fNodeSizeChange']
}], fDraggingDisabled: [{
type: Input,
args: [{ alias: 'fNodeDraggingDisabled', transform: booleanAttribute }]
}], fSelectionDisabled: [{
type: Input,
args: [{ alias: 'fNodeSelectionDisabled', transform: booleanAttribute }]
}], fIncludePadding: [{
type: Input,
args: [{ transform: booleanAttribute }]
}], fConnectOnNode: [{
type: Input,
args: [{ transform: booleanAttribute }]
}], fMinimapClass: [{
type: Input
}] } });
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{\n  AfterViewInit, booleanAttribute, DestroyRef,\n  Directive,\n  ElementRef,\n  EventEmitter, inject,\n  Input,\n  OnDestroy,\n  OnInit,\n  Output,\n  Renderer2,\n} from \"@angular/core\";\nimport { IPoint, IRect, ISize, PointExtensions, SizeExtensions } from '@foblex/2d';\nimport { BrowserService } from '@foblex/platform';\nimport { NotifyTransformChangedRequest } from '../f-storage';\nimport { FMediator } from '@foblex/mediator';\nimport { F_NODE, FNodeBase } from './f-node-base';\nimport { IHasHostElement } from '../i-has-host-element';\nimport { AddNodeToStoreRequest, UpdateNodeWhenStateOrSizeChangedRequest, RemoveNodeFromStoreRequest } from '../domain';\n\nlet uniqueId: number = 0;\n\n@Directive({\n  selector: \"[fNode]\",\n  exportAs: \"fComponent\",\n  host: {\n    '[attr.data-f-node-id]': 'fId',\n    class: \"f-node f-component\",\n    '[class.f-node-dragging-disabled]': 'fDraggingDisabled',\n    '[class.f-node-selection-disabled]': 'fSelectionDisabled',\n  },\n  providers: [\n    { provide: F_NODE, useExisting: FNodeDirective }\n  ],\n})\nexport class FNodeDirective extends FNodeBase implements OnInit, AfterViewInit, IHasHostElement, OnDestroy {\n\n  private readonly _destroyRef = inject(DestroyRef);\n  private readonly _fMediator = inject(FMediator);\n\n  @Input('fNodeId')\n  public override fId: string = `f-node-${ uniqueId++ }`;\n\n  @Input('fNodeParentId')\n  public override fParentId: string | null | undefined = null;\n\n  @Input('fNodePosition')\n  public override set position(value: IPoint) {\n    if(!PointExtensions.isEqual(this._position, value)) {\n      this._position = value;\n      this.redraw();\n      this.refresh();\n    }\n  }\n\n  public override get position(): IPoint {\n    return this._position;\n  }\n\n  @Output('fNodePositionChange')\n  public override positionChange: EventEmitter<IPoint> = new EventEmitter<IPoint>();\n\n  @Input('fNodeSize')\n  public override set size(value: ISize) {\n    if(!this.size || !SizeExtensions.isEqual(this._size!, value)) {\n      this._size = value;\n      this.redraw();\n      this.refresh()\n    }\n  }\n\n  @Input('fNodeRotate')\n  public override set rotate(value: number) {\n    if(this._rotate !== value) {\n      this._rotate = value;\n      this.redraw();\n      this.refresh();\n    }\n  }\n  public override get rotate(): number {\n    return this._rotate;\n  }\n\n  @Output('fNodeRotateChange')\n  public override rotateChange = new EventEmitter<number>();\n\n\n  public override get size(): ISize {\n    return this._size!;\n  }\n\n  @Output('fNodeSizeChange')\n  public override sizeChange: EventEmitter<IRect> = new EventEmitter<IRect>();\n\n  @Input({ alias: 'fNodeDraggingDisabled', transform: booleanAttribute })\n  public override fDraggingDisabled: boolean = false;\n\n  @Input({ alias: 'fNodeSelectionDisabled', transform: booleanAttribute })\n  public override fSelectionDisabled: boolean = false;\n\n  @Input({ transform: booleanAttribute })\n  public override fIncludePadding: boolean = true;\n\n  //Add ability to connect to first connectable input if node is at pointer position\n  @Input({ transform: booleanAttribute })\n  public override fConnectOnNode: boolean = true;\n\n  @Input()\n  public override fMinimapClass: string[] | string = [];\n\n  constructor(\n    elementReference: ElementRef<HTMLElement>,\n    private renderer: Renderer2,\n    private fBrowser: BrowserService\n  ) {\n    super(elementReference.nativeElement);\n  }\n\n  public ngOnInit(): void {\n    this.setStyle('position', 'absolute');\n    this.setStyle('transform-origin', 'center');\n    this.setStyle('user-select', 'none');\n    this.setStyle('pointer-events', 'all');\n    this.setStyle('left', '0');\n    this.setStyle('top', '0');\n    super.redraw();\n\n    this._fMediator.execute<void>(new AddNodeToStoreRequest(this));\n  }\n\n  protected override setStyle(styleName: string, value: string) {\n    this.renderer.setStyle(this.hostElement, styleName, value);\n  }\n\n  public override redraw(): void {\n    super.redraw();\n    this._fMediator.execute(new NotifyTransformChangedRequest());\n  }\n\n  public ngAfterViewInit(): void {\n    if(!this.fBrowser.isBrowser()) {\n      return;\n    }\n    this._listenStateSizeChanges();\n  }\n\n  private _listenStateSizeChanges(): void {\n    this._fMediator.execute<void>(new UpdateNodeWhenStateOrSizeChangedRequest(this, this._destroyRef));\n  }\n\n  public override refresh(): void {\n    this.stateChanges.notify();\n  }\n\n  public ngOnDestroy(): void {\n    this._fMediator.execute<void>(new RemoveNodeFromStoreRequest(this));\n  }\n}\n"]}