Function viewer

internal/driver/html/common.js:396–709

(baseUrl, nodes, options)

//   current: function() Map[Number,Boolean]
//     Overridable mechanism for fetching set of currently selected nodes.
function viewer(baseUrl, nodes, options) {
  'use strict';

  // Elements
  const search = document.getElementById('search');
  const graph0 = document.getElementById('graph0');
  const svg = (graph0 == null ? null : graph0.parentElement);
  const toptable = document.getElementById('toptable');

  let regexpActive = false;
  let selected = new Map();
  let origFill = new Map();
  let searchAlarm = null;
  let buttonsEnabled = true;

  // Return current selection.
  function getSelection() {
    if (selected.size > 0) {
      return selected;
    } else if (options && options.current) {
      return options.current();
    }
    return new Map();
  }

  function handleDetails(e) {
    e.preventDefault();
    const detailsText = document.getElementById('detailsbox');
    if (detailsText != null) {
      if (detailsText.style.display === 'block') {
        detailsText.style.display = 'none';
      } else {
        detailsText.style.display = 'block';
      }
    }
  }

  function handleKey(e) {
    if (e.keyCode != 13) return;
    setHrefParams(window.location, function (params) {
      params.set('f', search.value);
    });
    e.preventDefault();
  }

  function handleSearch() {
    // Delay expensive processing so a flurry of key strokes is handled once.
    if (searchAlarm != null) {
      clearTimeout(searchAlarm);
    }
    searchAlarm = setTimeout(selectMatching, 300);

    regexpActive = true;
    updateButtons();
  }

  function selectMatching() {
    searchAlarm = null;