cosmic-lib/es5/event.js

A JavaScript implementation of the CosmicLink protocol for Stellar

"use strict";
/**
 * Contains the methods to trigger and handle events.
 *
 * @private
 * @exports event
 */

const event = exports;

const html = require("@cosmic-plus/domutils/es5/html");

const format = require("./format");
/** *** Click events *****/

/**
 * Set the click handler for **type** HTML elements as **callback**.
 *
 * @example
 * cosmicLib.config.setClickHandler('address', showAddressPopup)
 *
 * @param {string} type Type of a transaction/operation field such as
 *     `address`, `asset`, `hash`, ...
 * @param {function} callback A function that accept one `event` argument
 */


event.setClickHandler = function (conf, type, callback) {
  conf.clickHandlers[type] = callback;
};
/**
 * Remove the current click handler for **type**.
 *
 * @example
 * cosmicLib.config.clearClickHandler('address')
 *
 * @param {string} type Type of a transaction/operation field such as
 *     `address`, `asset`, `hash`, ...
 */


event.clearClickHandler = function (conf, type) {
  conf.clickHandlers[type] = undefined;
};

event.callClickHandler = function (conf, type, event) {
  const handler = conf.clickHandlers[type];
  event.extra = event.domNode.extra;
  event.field = event.domNode.field;
  event.tdesc = format.parentTdesc(conf, event.domNode);
  event.odesc = format.parentOdesc(conf, event.domNode);
  event.index = format.parentIndex(conf, event.domNode);
  if (handler) handler(event);
};
/**
 * The active click handlers. Takes the form:
 *
 * ```
 * cosmicLib.config.clickHandlers = {
 *   type1: callback1,
 *   ...
 *   typeN: callbackN
 * }
 * ```
 *
 * Thoses click handlers are set by default:
 *
 * * **address**: A prompt that shows the address details
 * * **id**: A function that copy the id into the clipboard
 * * **hash**: A function that copy the hash into the clipboard or show a prompt
 *   for preimage signature when relevant
 * ```
 */


event.defaultClickHandlers = {
  address: function (event) {
    if (!event.extra) return;
    let message = "";

    for (let field in event.extra) {
      message += "".concat(field, ":\n") + "".concat(event.extra[field], "\n\n");
    }

    window.alert(message);
  },
  hash: function (event) {
    const grandma = event.domNode.parentNode.parentNode.parentNode;

    if (grandma.classList.contains("cosmiclib_signers")) {
      const preimage = prompt("Please enter preimage:");
      if (preimage) event.cosmicLink.sign(preimage);
    } else {
      html.copyString(event.value);
    }
  },
  id: event => html.copyString(event.value)
};