ngx-diagrams
Version:
This library was generated with [Angular CLI](https://github.com/angular/angular-cli) version 7.2.0.
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JavaScript
/**
* @fileoverview added by tsickle
* Generated from: lib/defaults/components/default-link/default-link.component.ts
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { Component, ChangeDetectorRef, ViewChild, ViewContainerRef } from '@angular/core';
import { DefaultLinkModel } from '../../models/default-link.model';
import { generateCurvePath } from '../../../utils/tool-kit.util';
import { combineLatest, BehaviorSubject } from 'rxjs';
import { filter, takeUntil } from 'rxjs/operators';
export class DefaultLinkComponent extends DefaultLinkModel {
/**
* @param {?} cdRef
*/
constructor(cdRef) {
super('ngdx-default-link');
this.cdRef = cdRef;
this._path$ = new BehaviorSubject(null);
this.path$ = this._path$.asObservable();
this.points$ = new BehaviorSubject([]);
}
/**
* @return {?}
*/
ngAfterViewInit() {
/** @type {?} */
const firstPCoords$ = this.getFirstPoint().selectCoords();
/** @type {?} */
const lastPCoords$ = this.getLastPoint().selectCoords();
// Observe link coords and update drawing accordingly
combineLatest([firstPCoords$, lastPCoords$])
.pipe(takeUntil(this.onEntityDestroy()))
.subscribe((/**
* @param {?} __0
* @return {?}
*/
([firstPCoords, lastPCoords]) => {
/** @type {?} */
const points = [firstPCoords, lastPCoords];
/** @type {?} */
const isHorizontal = Math.abs(firstPCoords.x - lastPCoords.x) > Math.abs(firstPCoords.y - lastPCoords.y);
/** @type {?} */
const xOrY = isHorizontal ? 'x' : 'y';
// draw the smoothing
// if the points are too close, just draw a straight line
/** @type {?} */
let isStraight = false;
if (Math.abs(points[0][xOrY] - points[1][xOrY]) < 50) {
isStraight = true;
}
/** @type {?} */
const path = generateCurvePath(firstPCoords, lastPCoords, isStraight ? 0 : this.curvyness);
this._path$.next(path);
if (!this.getTargetPort()) {
/** @type {?} */
const danglingPoint = this.generatePoint(lastPCoords);
this.points$.next([danglingPoint]);
}
/** @type {?} */
const label = this.getLabel();
// update label position
if (label) {
label.setCoords(this.calcCenterOfPath(firstPCoords, lastPCoords));
// TODO: check whether we want the label to rotate along with the line
// label.setRotation(this.calcLabelIncline(firstPCoords, lastPCoords));
}
// TODO: handle the multiple lines in between the points
// https://github.com/projectstorm/react-diagrams/blob/master/src/defaults/widgets/DefaultLinkWidget.tsx#L344-L371
this.cdRef.detectChanges();
}));
// observe link label and draw/remove accordingly
this.selectLabel()
.pipe(filter(Boolean))
.subscribe((/**
* @param {?} label
* @return {?}
*/
(label) => {
this.diagramEngine.generateWidgetForLabel(label, this.labelLayer);
this.cdRef.detectChanges();
}));
}
/**
* @param {?} firstPoint
* @param {?} secondPoint
* @return {?}
*/
calcLabelIncline(firstPoint, secondPoint) {
/** @type {?} */
const dy = secondPoint.y - firstPoint.y;
/** @type {?} */
const dx = secondPoint.x - firstPoint.x;
if (dx === 0) {
return 0;
}
/** @type {?} */
let inclineAngel = (Math.atan(dy / dx) * 180) / Math.PI;
if (inclineAngel < 0) {
inclineAngel += 180;
}
return inclineAngel;
}
/**
* @param {?} firstPoint
* @param {?} secondPoint
* @return {?}
*/
calcCenterOfPath(firstPoint, secondPoint) {
return { x: (firstPoint.x + secondPoint.x) / 2 + 20, y: (firstPoint.y + secondPoint.y) / 2 + 20 };
}
}
DefaultLinkComponent.decorators = [
{ type: Component, args: [{
selector: 'ngdx-default-link',
template: "<!-- Label Host -->\n<ng-template #labelLayer></ng-template>\n\n<!-- Link -->\n<svg class=\"default-link\">\n\t<g>\n\t\t<path [attr.stroke-width]=\"width\" [attr.stroke]=\"color\" [attr.d]=\"path$ | async\"></path>\n\t\t<path\n\t\t\t(mouseleave)=\"setSelected(false)\"\n\t\t\t(mouseenter)=\"setSelected()\"\n\t\t\t[attr.stroke-width]=\"20\"\n\t\t\t[attr.stroke]=\"color\"\n\t\t\t[attr.stroke-linecap]=\"'round'\"\n\t\t\t[attr.data-linkid]=\"id\"\n\t\t\t[attr.stroke-opacity]=\"(selectSelected() | async) ? '0.1' : '0'\"\n\t\t\t[attr.d]=\"path$ | async\"\n\t\t></path>\n\t</g>\n\t<g *ngFor=\"let point of points$ | async\">\n\t\t<circle [attr.cx]=\"point.selectX() | async\" [attr.cy]=\"point.selectY() | async\" r=\"5\" class=\"default-point\" />\n\n\t\t<circle\n\t\t\t(mouseleave)=\"setSelected(false)\"\n\t\t\t(mouseenter)=\"setSelected()\"\n\t\t\t[attr.data-id]=\"point.id\"\n\t\t\t[attr.data-linkid]=\"id\"\n\t\t\t[attr.cx]=\"point.selectX() | async\"\n\t\t\t[attr.cy]=\"point.selectY() | async\"\n\t\t\tr=\"15\"\n\t\t\t[attr.opacity]=\"0\"\n\t\t\tclass=\"default-point\"\n\t\t\t[ngClass]=\"{ 'default-point': true, selected: point.selectSelected() | async }\"\n\t\t/>\n\t\t{{ point.selectSelected() | async }}\n\t</g>\n</svg>\n",
styles: [".default-link{fill:none;overflow:visible}.default-link .default-point{fill:rgba(255,255,255,.5)}.default-link .default-point.selected{fill:rgba(0,0,255,.5)}@-webkit-keyframes dash{from{stroke-dashoffset:24}to{stroke-dashoffset:0}}@keyframes dash{from{stroke-dashoffset:24}to{stroke-dashoffset:0}}.default-link path{fill:none;pointer-events:all}.default-link.path-selected{stroke:#00c0ff!important;stroke-dasharray:10,2;-webkit-animation:1s linear infinite dash;animation:1s linear infinite dash}"]
}] }
];
/** @nocollapse */
DefaultLinkComponent.ctorParameters = () => [
{ type: ChangeDetectorRef }
];
DefaultLinkComponent.propDecorators = {
labelLayer: [{ type: ViewChild, args: ['labelLayer', { read: ViewContainerRef, static: true },] }]
};
if (false) {
/** @type {?} */
DefaultLinkComponent.prototype.labelLayer;
/** @type {?} */
DefaultLinkComponent.prototype._path$;
/** @type {?} */
DefaultLinkComponent.prototype.path$;
/** @type {?} */
DefaultLinkComponent.prototype.points$;
/** @type {?} */
DefaultLinkComponent.prototype.label$;
/**
* @type {?}
* @private
*/
DefaultLinkComponent.prototype.cdRef;
}
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'x' : 'y';\n\n\t\t\t\t// draw the smoothing\n\t\t\t\t// if the points are too close, just draw a straight line\n\t\t\t\tlet isStraight = false;\n\t\t\t\tif (Math.abs(points[0][xOrY] - points[1][xOrY]) < 50) {\n\t\t\t\t\tisStraight = true;\n\t\t\t\t}\n\n\t\t\t\tconst path = generateCurvePath(firstPCoords, lastPCoords, isStraight ? 0 : this.curvyness);\n\t\t\t\tthis._path$.next(path);\n\n\t\t\t\tif (!this.getTargetPort()) {\n\t\t\t\t\tconst danglingPoint = this.generatePoint(lastPCoords);\n\t\t\t\t\tthis.points$.next([danglingPoint]);\n\t\t\t\t}\n\n\t\t\t\tconst label = this.getLabel();\n\t\t\t\t// update label position\n\t\t\t\tif (label) {\n\t\t\t\t\tlabel.setCoords(this.calcCenterOfPath(firstPCoords, lastPCoords));\n\n\t\t\t\t\t// TODO: check whether we want the label to rotate along with the line\n\t\t\t\t\t// label.setRotation(this.calcLabelIncline(firstPCoords, lastPCoords));\n\t\t\t\t}\n\n\t\t\t\t// TODO: handle the multiple lines in between the points\n\t\t\t\t// https://github.com/projectstorm/react-diagrams/blob/master/src/defaults/widgets/DefaultLinkWidget.tsx#L344-L371\n\n\t\t\t\tthis.cdRef.detectChanges();\n\t\t\t});\n\n\t\t// observe link label and draw/remove accordingly\n\t\tthis.selectLabel()\n\t\t\t.pipe(filter(Boolean))\n\t\t\t.subscribe((label: LabelModel) => {\n\t\t\t\tthis.diagramEngine.generateWidgetForLabel(label, this.labelLayer);\n\t\t\t\tthis.cdRef.detectChanges();\n\t\t\t});\n\t}\n\n\tcalcLabelIncline(firstPoint: Coords, secondPoint: Coords): number {\n\t\tconst dy = secondPoint.y - firstPoint.y;\n\t\tconst dx = secondPoint.x - firstPoint.x;\n\n\t\tif (dx === 0) {\n\t\t\treturn 0;\n\t\t}\n\n\t\tlet inclineAngel = (Math.atan(dy / dx) * 180) / Math.PI;\n\n\t\tif (inclineAngel < 0) {\n\t\t\tinclineAngel += 180;\n\t\t}\n\n\t\treturn inclineAngel;\n\t}\n\n\tcalcCenterOfPath(firstPoint: Coords, secondPoint: Coords): Coords {\n\t\treturn { x: (firstPoint.x + secondPoint.x) / 2 + 20, y: (firstPoint.y + secondPoint.y) / 2 + 20 };\n\t}\n}\n"]}