@xui/components
Version:
xUI Components for Angular
97 lines • 14.2 kB
JavaScript
import { Injectable, signal } from '@angular/core';
import * as i0 from "@angular/core";
export class GraphViewService {
constructor() {
this.paths = signal([]);
this.wireToolPath = signal(null);
}
dragMove() {
this.paths.set([]);
for (const connection of this.data.connections) {
this.connect(connection.outputNode, connection.outputPort, connection.inputNode, connection.inputPort);
}
}
connect(outputNode, outputPort, inputNode, inputPort) {
const output = this.canvas.nativeElement.querySelector(`[data-id="${outputNode}"]`);
const input = this.canvas.nativeElement.querySelector(`[data-id="${inputNode}"]`);
const padding = 0;
const bezierWeight = 0.5;
const canvasRect = this.canvas.nativeElement.getBoundingClientRect();
const startRect = output.querySelector(`[data-port="${outputPort}"]`).getBoundingClientRect();
const endRect = input.querySelector(`[data-port="${inputPort}"]`).getBoundingClientRect();
const start = {
offsetLeft: startRect.left - canvasRect.left,
offsetTop: startRect.top - canvasRect.top
};
const end = {
offsetLeft: endRect.left - canvasRect.left,
offsetTop: endRect.top - canvasRect.top
};
const x1 = start.offsetLeft + startRect.width / 2 - padding;
const y1 = start.offsetTop + startRect.height / 2 - padding;
const x4 = end.offsetLeft + endRect.width / 2 - padding;
const y4 = end.offsetTop + endRect.height / 2 - padding;
const dx = Math.abs(x4 - x1) * bezierWeight;
let x2;
let x3;
if (x4 < x1) {
x2 = x1 - dx;
x3 = x4 + dx;
}
else {
x2 = x1 + dx;
x3 = x4 - dx;
}
// TODO
// this.paths.mutate(x => x.push(`M${x1} ${y1} C ${x2} ${y1} ${x3} ${y4} ${x4} ${y4}`));
}
wireTool(node, port, xCursor, yCursor) {
const n = this.canvas.nativeElement.querySelector(`[data-id="${node}"]`);
const padding = 0;
const bezierWeight = 0.5;
const canvasRect = this.canvas.nativeElement.getBoundingClientRect();
const rect = n.querySelector(`[data-port="${port}"]`).getBoundingClientRect();
const start = {
offsetLeft: rect.left - canvasRect.left,
offsetTop: rect.top - canvasRect.top
};
const end = {
offsetLeft: xCursor - canvasRect.left,
offsetTop: yCursor - canvasRect.top
};
const x1 = start.offsetLeft + rect.width / 2 - padding;
const y1 = start.offsetTop + rect.height / 2 - padding;
const x4 = end.offsetLeft;
const y4 = end.offsetTop;
const dx = Math.abs(x4 - x1) * bezierWeight;
let x2;
let x3;
if (x4 < x1) {
x2 = x1 - dx;
x3 = x4 + dx;
}
else {
x2 = x1 + dx;
x3 = x4 - dx;
}
this.wireToolPath.set(`M${x1} ${y1} C ${x2} ${y1} ${x3} ${y4} ${x4} ${y4}`);
}
getGroup(groupId) {
if (groupId == null) {
return this.data.groups[0];
}
return this.data.groups.find(x => x.id === groupId) ?? this.data.groups[0];
}
hasConnectedPort(node, port) {
return this.data.connections.some(x => (x.outputNode === node && x.outputPort === port) || (x.inputNode === node && x.inputPort === port));
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.0.1", ngImport: i0, type: GraphViewService, deps: [], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.0.1", ngImport: i0, type: GraphViewService, providedIn: 'root' }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.0.1", ngImport: i0, type: GraphViewService, decorators: [{
type: Injectable,
args: [{
providedIn: 'root'
}]
}] });
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{ ElementRef, Injectable, signal } from '@angular/core';\nimport { GraphViewData, NodeGroup } from './graph-view.types';\n\n@Injectable({\n  providedIn: 'root'\n})\nexport class GraphViewService {\n  data!: GraphViewData;\n  canvas!: ElementRef;\n  paths = signal<string[]>([]);\n  wireToolPath = signal<string | null>(null);\n\n  dragMove() {\n    this.paths.set([]);\n    for (const connection of this.data.connections) {\n      this.connect(connection.outputNode, connection.outputPort, connection.inputNode, connection.inputPort);\n    }\n  }\n\n  private connect(outputNode: string, outputPort: string, inputNode: string, inputPort: string) {\n    const output = this.canvas.nativeElement.querySelector(`[data-id=\"${outputNode}\"]`);\n    const input = this.canvas.nativeElement.querySelector(`[data-id=\"${inputNode}\"]`);\n\n    const padding = 0;\n    const bezierWeight = 0.5;\n    const canvasRect = this.canvas.nativeElement.getBoundingClientRect();\n    const startRect = output.querySelector(`[data-port=\"${outputPort}\"]`).getBoundingClientRect();\n    const endRect = input.querySelector(`[data-port=\"${inputPort}\"]`).getBoundingClientRect();\n\n    const start = {\n      offsetLeft: startRect.left - canvasRect.left,\n      offsetTop: startRect.top - canvasRect.top\n    };\n\n    const end = {\n      offsetLeft: endRect.left - canvasRect.left,\n      offsetTop: endRect.top - canvasRect.top\n    };\n\n    const x1 = start.offsetLeft + startRect.width / 2 - padding;\n    const y1 = start.offsetTop + startRect.height / 2 - padding;\n    const x4 = end.offsetLeft + endRect.width / 2 - padding;\n    const y4 = end.offsetTop + endRect.height / 2 - padding;\n    const dx = Math.abs(x4 - x1) * bezierWeight;\n\n    let x2: number;\n    let x3: number;\n\n    if (x4 < x1) {\n      x2 = x1 - dx;\n      x3 = x4 + dx;\n    } else {\n      x2 = x1 + dx;\n      x3 = x4 - dx;\n    }\n\n    // TODO\n    // this.paths.mutate(x => x.push(`M${x1} ${y1} C ${x2} ${y1} ${x3} ${y4} ${x4} ${y4}`));\n  }\n\n  wireTool(node: string, port: string, xCursor: number, yCursor: number) {\n    const n = this.canvas.nativeElement.querySelector(`[data-id=\"${node}\"]`);\n\n    const padding = 0;\n    const bezierWeight = 0.5;\n    const canvasRect = this.canvas.nativeElement.getBoundingClientRect();\n    const rect = n.querySelector(`[data-port=\"${port}\"]`).getBoundingClientRect();\n\n    const start = {\n      offsetLeft: rect.left - canvasRect.left,\n      offsetTop: rect.top - canvasRect.top\n    };\n\n    const end = {\n      offsetLeft: xCursor - canvasRect.left,\n      offsetTop: yCursor - canvasRect.top\n    };\n\n    const x1 = start.offsetLeft + rect.width / 2 - padding;\n    const y1 = start.offsetTop + rect.height / 2 - padding;\n    const x4 = end.offsetLeft;\n    const y4 = end.offsetTop;\n    const dx = Math.abs(x4 - x1) * bezierWeight;\n\n    let x2;\n    let x3;\n\n    if (x4 < x1) {\n      x2 = x1 - dx;\n      x3 = x4 + dx;\n    } else {\n      x2 = x1 + dx;\n      x3 = x4 - dx;\n    }\n\n    this.wireToolPath.set(`M${x1} ${y1} C ${x2} ${y1} ${x3} ${y4} ${x4} ${y4}`);\n  }\n\n  getGroup(groupId?: string): NodeGroup {\n    if (groupId == null) {\n      return this.data.groups![0];\n    }\n\n    return this.data.groups!.find(x => x.id === groupId) ?? this.data.groups![0];\n  }\n\n  hasConnectedPort(node: string, port: string) {\n    return this.data.connections.some(\n      x => (x.outputNode === node && x.outputPort === port) || (x.inputNode === node && x.inputPort === port)\n    );\n  }\n}\n"]}