sparnatural/src/sparnatural/components/buttons/PlayBtn.ts

Visual client-side SPARQL query builder and knowledge graph exploration tool

import UiuxConfig from "../IconsConstants";
import HTMLComponent from "../HtmlComponent";
import { I18n } from "../../settings/I18n";

class PlayBtn extends HTMLComponent {
  callback: () => void;

  constructor(ParentComponent: HTMLComponent, callback: () => void) {
    //TODO generateQuery enable disable as binary state
    let widgetHtml = $(
      `<span title="${I18n.labels["Submit.tooltip"]}">${UiuxConfig.ICON_PLAY}</span>`
    );
    super("playBtn", ParentComponent, widgetHtml);
    this.callback = callback;
    // add clicklistener
    let that = this;
    this.widgetHtml.on("click", function (e: JQuery.ClickEvent) {
      // don't call the callback when the button is disabled
      console.log("PlayBtn: Play button clicked");
      if (!that.isDisabled()) {
        callback();
      }
    });
  }

  render(): this {
    super.render();
    return this;
  }

  /**
   * @returns true when the button is disabled
   */
  isDisabled(): boolean {
    return this.html.hasClass("submitDisable");
  }

  disable() {
    // set a disabled CSS class, trigger the loader
    this.html.addClass("submitDisable loadingEnabled");
  }

  /**
   * Triggered when query has finished executing. Just removes the loading but keep the button disabled
   */
  removeLoading() {
    this.html.removeClass("loadingEnabled");
  }

  /**
   * Re-enables the grey button
   */
  enable() {
    this.html.removeClass("submitDisable");
  }
}
export default PlayBtn;