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authentik/web/src/pages/flows/FlowDiagram.ts

82 lines
2.4 KiB
TypeScript

import FlowChart from "flowchart.js";
import { LitElement, TemplateResult, html } from "lit";
import { customElement, property } from "lit/decorators.js";
import { FlowsApi } from "@goauthentik/api";
import { DEFAULT_CONFIG } from "../../api/Config";
import { EVENT_REFRESH } from "../../constants";
import { loading } from "../../utils";
export const FONT_COLOUR_DARK_MODE = "#fafafa";
export const FONT_COLOUR_LIGHT_MODE = "#151515";
export const FILL_DARK_MODE = "#18191a";
export const FILL_LIGHT_MODE = "#f0f0f0";
@customElement("ak-flow-diagram")
export class FlowDiagram extends LitElement {
_flowSlug?: string;
@property()
set flowSlug(value: string) {
this._flowSlug = value;
new FlowsApi(DEFAULT_CONFIG)
.flowsInstancesDiagramRetrieve({
slug: value,
})
.then((data) => {
this.diagram = FlowChart.parse(data.diagram || "");
});
}
@property({ attribute: false })
diagram?: FlowChart.Instance;
@property()
fontColour: string = FONT_COLOUR_DARK_MODE;
@property()
fill: string = FILL_DARK_MODE;
createRenderRoot(): Element | ShadowRoot {
return this;
}
constructor() {
super();
this.addEventListener(EVENT_REFRESH, () => {
if (!this._flowSlug) return;
this.flowSlug = this._flowSlug;
});
const matcher = window.matchMedia("(prefers-color-scheme: light)");
const handler = (ev?: MediaQueryListEvent) => {
if (ev?.matches || matcher.matches) {
this.fontColour = FONT_COLOUR_LIGHT_MODE;
this.fill = FILL_LIGHT_MODE;
} else {
this.fontColour = FONT_COLOUR_DARK_MODE;
this.fill = FILL_DARK_MODE;
}
this.requestUpdate();
};
matcher.addEventListener("change", handler);
handler();
}
render(): TemplateResult {
if (this.diagram) {
this.diagram.drawSVG(this, {
"font-color": this.fontColour,
"line-color": "#bebebe",
"element-color": "#bebebe",
"fill": this.fill,
"yes-text": "Policy passes",
"no-text": "Policy denies",
});
return html``;
}
return loading(this.diagram, html``);
}
}