{% extends 'layout.html.jinja2' %}
{% set menu_section = 'home' %}
{% block title %}Home{% endblock %}

{# This is the main template file, along with the layout. #}
{# The engine is Jinja2, close to Twig (yet not as good) #}

{% block content %}

{% macro target_button(target) -%}

    <div class="target {{ target.slug }} {{ 'locked' if target.locked else 'active' }}"
         data-target-slug="{{ target.slug }}">
      <img width="64px" height="64px"

           src="{{ static('img/target/'~target.slug~'_256.png') }}"

           title="{{ target.title }}"
           alt="{{ target.name }}">
      <img width="64px" height="64px"
           src="{{ static('img/target/empty_128.png') }}"

           title="No data at specified interval for {{ target.title }}."
           alt="NO DATA"

           class="decorator empty">

      <img width="64px" height="64px"
           src="{{ static('img/target/error_128.png') }}"
           title="There was an error with {{ target.title }}."
           alt="ERROR"
           class="decorator error">

      <div class="decorator loading" title="Loading data for {{ target.title }}…">
        <div class="small-loader-container">
          <div class="small-loader-circle-1">
            <div class="small-loader-circle-2">
              <div class="small-loader-circle-3">
                <div class="small-loader-circle-4">
                  <div class="small-loader-circle-5">
                    <div class="small-loader-circle-6">
                      <div class="small-loader-circle-7">
                      </div>
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>

{%- endmacro %}

{% macro icon(name) %}<i class="fa fa-{{ name }}" aria-hidden="true"></i>{% endmacro %}

{#############################################################################}

<div id="plots_loader">
  <p class="loader-text">Loading Heliopropa&hellip;<br>This might take a while.</p>
  <div id="plots_loader_img1" class="img"></div>
  <div id="plots_loader_img2" class="img"></div>
  <div id="plots_loader_img3" class="img"></div>
  <div id="plots_loader_img4" class="img"></div>
  <div id="plots_loader_img5" class="img"></div>
</div>

<div class="mdl-layout mdl-js-layout mdl-layout--fixed-drawer">

  <div class="mdl-layout__drawer">

    <details open>
      <summary>
        <span class="mdl-layout-title" title="Two years maximum.">{{ icon('calendar') }} Time Interval</span>
      </summary>

      <form id="form_time_interval" action="#">
        <div class="mdl-textfield mdl-js-textfield">
          <input type="date" id="started_at" name="started_at" title="The date of the beginning of the interval to observe." class="mdl-textfield__input">
          <input type="date" id="stopped_at" name="stopped_at" title="The date of the end of the interval to observe. (exclusive)" class="mdl-textfield__input">
        </div>
        <input type="submit" id="apply_new_interval" value="Load new interval" title="Two years maximum. This may take a while." class="mdl-button mdl-js-button mdl-js-ripple-effect">
      </form>
    </details>

    <hr class="clear">

    <details open>
      <summary>
        <span class="mdl-layout-title">{{ icon('eercast') }} Planets</span>
      </summary>

      <section class="targets-filters">
        {% for target in planets %}
          {{ target_button(target) }}
        {% endfor %}
      </section>
    </details>

    <hr class="clear">

    <details>
      <summary>
        <span class="mdl-layout-title">{{ icon('rocket') }} Probes &amp; Comets</span>
      </summary>

      <section class="targets-filters">
        {% for target in probes %}
          {{ target_button(target) }}
        {% endfor %}
        {% for target in comets %}
          {{ target_button(target) }}
        {% endfor %}
      </section>
    </details>

    <hr class="clear">

{#    <span class="mdl-layout-title">{{ icon('database') }} Inputs</span>#}
{##}
{#    <section class="section-drawer">#}
{#{% for input in config.inputs %}#}
{#      <label class="mdl-radio mdl-js-radio mdl-js-ripple-effect" for="option-input-{{ input.slug }}" title="{{ input.desc }}">#}
{#        <input type="radio" id="option-input-{{ input.slug }}" class="mdl-radio__button" name="input_slug" value="{{ input.slug }}" {{ 'checked' if input.slug == input_slug }}>#}
{#        <span class="mdl-radio__label">{{ input.name }}</span>#}
{#      </label>#}
{#      <br />#}
{#{% endfor %}#}
{#      <br />#}
{#      <input type="button" id="apply_new_input" value="Reload for input" title="This may take a while." class="mdl-button mdl-js-button mdl-js-ripple-effect">#}
{#    </section>#}
{##}
{#    <hr class="clear">#}

    <details>
      <summary>
        <span class="mdl-layout-title">{{ icon('flask') }} Parameters</span>
      </summary>

      <nav id="parameters" class="mdl-navigation">
        {% for p in parameters %}
          <a class="mdl-navigation__link parameter{{ ' active' if p.active }}" data-ts-slug="{{ p.slug }}" href="#" title="{{ p.title }} ({{ p.units }})">{{ p.name }}</a>
        {% endfor %}
      </nav>
    </details>

    <hr class="clear">

    <details>
      <summary>
        <span class="mdl-layout-title">{{ icon('area-chart') }} Layers</span>
      </summary>

      <section class="section-drawer">
        {% for layer in config.layers %}
          <label class="mdl-radio mdl-js-radio mdl-js-ripple-effect" for="option-layer-{{ layer.slug }}" title="{{ layer.desc }}">

            <input type="checkbox" id="option-layer-{{ layer.slug }}" class="mdl-radio__button option-layer" name="option-layer-{{ layer.slug }}" value="{{ layer.slug }}" {{ 'disabled' if not layer.data }}>

            <span class="mdl-radio__label">{{ layer.name }}</span>
          </label>
          <br />
        {% endfor %}
      </section>
    </details>

    <div class="mdl-layout-spacer"></div>

  </div>

  <main id="plots_wrapper" class="mdl-layout__content">

    <div class="mdl-grid">

      <div class="mdl-cell mdl-cell--4-col mdl-cell--8-col-tablet mdl-cell--4-col-phone">

        <section id="orbits"></section>

        <div class="plots-actions plots-buttons">

          <button id="zoom_inner_heliosphere"
                  class="mdl-button mdl-button--raised mdl-button--primary"

                  title="Zoom to the inner heliosphere.">
            Zoom in
          </button>

          <button id="zoom_outer_heliosphere"
                  class="mdl-button mdl-button--raised mdl-button--primary"

                  title="Zoom to the outer heliosphere.">
            Zoom out
          </button>
        </div>
        <div class="plots-actions plots-buttons">

          <button id="download"
                  class="mdl-button mdl-button--raised mdl-button--primary"

                  title="Download the raw data for each selected target and parameters.">

            Download

            <div id="download_spinner" class="mdl-spinner mdl-js-spinner is-active"></div>

          </button>

          <button id="samp"
                  class="samp mdl-button mdl-button--raised mdl-button--primary mdl-button--disabled"

                  title="Send the data to a connected SAMP hub, such as TOPCAT.">

            SAMP
          </button>

          <button id="email_alert"

                  class="mdl-button mdl-button--raised mdl-button--primary"
                  title="Set an alert to receive an email when the data validates pre-defined conditions."
                  data-href="http://alerts-psws.irap.omp.eu/tao">

            Alert
          </button>

        </div>

      </div>

      <div class="mdl-cell mdl-cell--8-col mdl-cell--8-col-tablet mdl-cell--4-col-phone">

        <section id="time_series">
          <p id="zoom_controls_help" class="help mdl-cell--8-col">Drag to zoom in, double click to zoom out.</p>
        </section>

      </div>
    </div>

  </main>
</div>

{% endblock %}

{#### CSS ####################################################################}

{% block styles %}
  <style>

    .mdl-layout__drawer hr {
      margin: 0.5em 0;
    }
    .mdl-layout__drawer .mdl-layout-title {

      line-height: 42px;

      display: inline-block;

    }

    .mdl-layout__drawer > details > summary {
      padding-left: 15px;
      cursor: pointer;
      outline: none;
    }
    .mdl-layout__drawer .mdl-layout-title:first-of-type {

      line-height: 60px;

    }

    .plots-buttons {
      text-align: center;

      margin: 0 auto;

    }

    .plots-buttons button {

      margin: 1em 1em;

    }

    #time_series svg {
      cursor: crosshair;
    }

    #time_series .help {
      position: absolute;
      text-align: center;
      font-size: 0.9em;
      font-style: italic;
      color: darkgrey;
      display: none;
    }
    #time_series:hover .help {
      display: block;
    }

    #time_series svg .brush .selection {
      fill: #efa02c;
      fill-opacity: 0.382;
    }

    .axis path, .axis line {
      fill: none;

{#      stroke: #f4f4f4;#}

      shape-rendering: crispEdges;
      stroke-width: 1px;
    }

    path.line {
      fill: none;
      stroke: steelblue;
      stroke-width: 1px;
    }

    path.predictive-line {
      fill: none;

      stroke: #ff4081;

      stroke-width: 2px;
    }

    circle.cursor-circle {

      fill: black;
      stroke: rgba(20, 20, 20, 0.48);
    }
    text.cursor-text {
{#      font-family: 'Ubuntu', 'Lucida Grande', 'Lucida Sans Unicode', 'Geneva', 'Verdana', sans-serif;#}
{#      font-family: 'Consolas', 'Deja Vu Sans Mono', 'Bitstream Vera Sans Mono', monospace;#}
      font-family: "Ubuntu Mono", 'Consolas', 'Deja Vu Sans Mono', 'Bitstream Vera Sans Mono', monospace;
      text-align: right;

    }
    text.cursor-text-shadow {
      stroke: white;

      stroke-width: 5px;
      opacity: 0.777

    }

    path.orbit.orbit_section {

      fill: none;
      stroke: steelblue;

      stroke-width: 1.5px;

    }
    ellipse.orbit.orbit_ellipse {
      fill: none;
      stroke: #a3a3a3;
      stroke-width: 1px;
      stroke-dasharray: 5px;
    }

    #form_time_interval {
      padding-left: 30px;
    }
    #form_time_interval .mdl-textfield {
      padding-top: 0;
    }
    #started_at, #stopped_at {
      width: 85%;
    }

    .section-drawer {
      padding-left: 3em;
    }

    .targets-filters {

      padding-left: 17px;
    }

    .targets-filters .target {

      float: left;

      cursor: pointer;

      position: relative;

    }

    .targets-filters .target:not(.active) {

      -webkit-filter: grayscale(100%);
         -moz-filter: grayscale(100%);
           -o-filter: grayscale(100%);
          -ms-filter: grayscale(100%);
              filter: grayscale(100%);
    }

    .targets-filters .target.locked {

      cursor: not-allowed;
    }

    .targets-filters .target.loading {

        -webkit-animation-name: keyframes_rotate;

        -webkit-animation-duration: 4000ms;
        -webkit-animation-iteration-count: infinite;
        -webkit-animation-timing-function: linear;

        -moz-animation-name: keyframes_rotate;

        -moz-animation-duration: 4000ms;
        -moz-animation-iteration-count: infinite;
        -moz-animation-timing-function: linear;

        -ms-animation-name: keyframes_rotate;

        -ms-animation-duration: 4000ms;
        -ms-animation-iteration-count: infinite;
        -ms-animation-timing-function: linear;

        animation-name: keyframes_rotate;

        animation-duration: 4000ms;
        animation-iteration-count: infinite;
        animation-timing-function: linear;
    }

    .targets-filters .target .decorator {
      position: absolute;
      top: 0;
      left: 0;
      display: none;
    }
    .targets-filters .target.empty .decorator.empty {
      display: block;
    }

    .targets-filters .target.error .decorator.error {
      display: block;
    }

    .targets-filters .target .decorator.loading {
      top:  19px;
      left: 19px;
    }
    .targets-filters .target.loading .decorator.loading {
      display: block;
    }

    #parameters .parameter {
      outline: 0;

      padding-top: 7px;
      padding-bottom: 7px;

    }
    #parameters .parameter.active {
      background-color: #c8d3e1;
    }

    {# CSS Spinners #}

    #download_spinner {
      display: none;
      top:  2px;
      left: 4px;
      width:  14px;
      height: 14px;
    }

    #plots_loader {
      position: fixed;
      top: 0; left: 0; bottom: 0; right: 0;
      height: 100%;
      width: 100%;
      background-color: #fff;
      z-index: 1000;
    }

    #plots_loader .loader-text {
      width: 200px;
      height: 30px;
      position: absolute;
      top: -240px; left: -32px; bottom: 0; right: 0;
      margin: auto;
      text-align: center;
      font-size: 1.0em;
      font-style: italic;
      color: darkgrey;
    }

    #plots_loader .img {
      width: 100px;
      height: 100px;
      border-radius: 100%;
      position: absolute;
      border: 1px solid #6978ff;
      animation: keyframes_rotate 1s;
      animation-iteration-count: infinite;
      transition: 2s;
      border-bottom: none;
      border-right: none;
      animation-timing-function: linear;
      margin-left: -70px;
      margin-top: -70px;
      left: 50%;
      top: 50%;
    }

    #plots_loader #plots_loader_img2 {
      width: 90px;
      height: 90px;
      left: 50.35%;
      top: 50.7%;
      animation-delay: .2s;
    }

    #plots_loader #plots_loader_img3 {
      width: 80px;
      height: 80px;
      left: 50.70%;
      top: 51.4%;
      animation-delay: .4s;
    }

    #plots_loader #plots_loader_img4 {
      width: 70px;
      height: 70px;
      left: 51.05%;
      top: 52.1%;
      animation-delay: .6s;
    }

    #plots_loader #plots_loader_img5 {
      width: 60px;
      height: 60px;
      left: 51.40%;
      top: 52.8%;
      animation-delay: .8s;
    }

    @keyframes keyframes_rotate {
      from {
        transform: rotate(0deg);
      }
      50% {
        transform: rotate(180deg);
      }
      100% {
        transform: rotate(360deg);
      }
    }

    .small-loader-container {
      width: 27px;
      margin: 0 auto;
      background: none;
      pointer-events: none;
    }

    .small-loader-circle-1 {
      height: 27px;
      width: 27px;
      background: rgba(255, 238, 195, 0.72);
    }

    .small-loader-circle-2 {
      height: 22px;
      width: 22px;
      background: none;

    }

    .small-loader-circle-3 {
      height: 18px;
      width: 18px;
      background: rgba(29, 65, 255, 0.9);
    }

    .small-loader-circle-4 {
      height: 13px;
      width: 13px;
      background: none;

    }

    .small-loader-circle-5 {
      height: 9px;
      width: 9px;
      background: rgba(238, 238, 238, 0.8);
    }

    .small-loader-circle-6 {
      height: 4px;
      width: 4px;
      background: none;

    }

    .small-loader-circle-7 {
      height: 2px;
      width: 2px;
      background: rgb(110, 102, 255);
    }

    .small-loader-circle-1,
    .small-loader-circle-2,
    .small-loader-circle-3,
    .small-loader-circle-4,
    .small-loader-circle-5,
    .small-loader-circle-6,
    .small-loader-circle-7 {
      border-bottom: none;
      border-radius: 50%;
        -o-border-radius: 50%;
        -ms-border-radius: 50%;
        -webkit-border-radius: 50%;
        -moz-border-radius: 50%;
      box-shadow: 0px 0px 0px rgba(0,0,0,0.1);
        -o-box-shadow: 0px 0px 0px rgba(0,0,0,0.1);
        -ms-box-shadow: 0px 0px 0px rgba(0,0,0,0.1);
        -webkit-box-shadow: 0px 0px 0px rgba(0,0,0,0.1);
        -moz-box-shadow: 0px 0px 0px rgba(0,0,0,0.1);
      animation-name: small-loader-spin;
        -o-animation-name: small-loader-spin;
        -ms-animation-name: small-loader-spin;
        -webkit-animation-name: small-loader-spin;
        -moz-animation-name: small-loader-spin;
      animation-duration: 4600ms;
        -o-animation-duration: 4600ms;
        -ms-animation-duration: 4600ms;
        -webkit-animation-duration: 4600ms;
        -moz-animation-duration: 4600ms;
      animation-iteration-count: infinite;
        -o-animation-iteration-count: infinite;
        -ms-animation-iteration-count: infinite;
        -webkit-animation-iteration-count: infinite;
        -moz-animation-iteration-count: infinite;
      animation-timing-function: linear;
        -o-animation-timing-function: linear;
        -ms-animation-timing-function: linear;
        -webkit-animation-timing-function: linear;
        -moz-animation-timing-function: linear;
    }

    @keyframes small-loader-spin {
      from {
        transform: rotate(0deg);
      }
      to {
        transform: rotate(360deg);
      }
    }

    @-o-keyframes small-loader-spin {
      from {
        -o-transform: rotate(0deg);
      }
      to {
        -o-transform: rotate(360deg);
      }
    }

    @-ms-keyframes small-loader-spin {
      from {
        -ms-transform: rotate(0deg);
      }
      to {
        -ms-transform: rotate(360deg);
      }
    }

    @-webkit-keyframes small-loader-spin {
      from {
        -webkit-transform: rotate(0deg);
      }
      to {
        -webkit-transform: rotate(360deg);
      }
    }

    @-moz-keyframes small-loader-spin {
      from {
        -moz-transform: rotate(0deg);
      }
      to {
        -moz-transform: rotate(360deg);
      }
    }

  </style>
{% endblock %}

{#### JAVASCRIPT #############################################################}

{% block scripts_footer %}

<script type="application/javascript" src="{{ static('js/vendor/d3-custom.js') }}"></script>

<script type="application/javascript" src="{{ static('js/vendor/moment.min.js') }}"></script>

<script type="application/javascript" src="{{ static('js/vendor/samp.js') }}"></script>

<script type="application/javascript" src="{{ static('js/main.js') }}"></script>

<script type="application/javascript">

var configuration = {
  time_series_container: '#time_series',
  orbits_container: '#orbits',

  api: {

      'data_for_interval': "{{ request.url_root }}<target>_{{ input_slug }}_<started_at>_<stopped_at>.csv",
      'download':          "{{ request.url_root }}<targets>_{{ input_slug }}_<started_at>_<stopped_at>.cdf",
      'samp':              "{{ request.url_root }}<targets>_{{ input_slug }}_<started_at>_<stopped_at>.cdf"

  },

  sun: {
    img: '{{ static('img/sun_128.png') }}'
  },

  targets: {

{% for target in targets %}

    '{{ target.slug }}': {

      slug: "{{ target.slug | escapejs }}",
      name: "{{ target.name | escapejs }}",

      active: true,

      orbit: { a: {{ target.orbit.semimajor or 0 }}, b: {{ target.orbit.semiminor or 0 }} },

      img: '{{ static('img/target/'~target.slug~'_128.png') }}',
      layers: {
{% for catalog_slug, catalog_intervals in target.catalog_layers.iteritems() %}
        "{{ catalog_slug }}": [
{% for interval in catalog_intervals %}
{#        { start: "2018-03-28T00:00:00Z", stop: "2018-03-29T00:00:00Z" },   #}
          {# /!. All datetimes here MUST be suffixed by Z #}
          { start: "{{ interval.start }}", stop: "{{ interval.stop }}" }{{ ',' if not loop.last }}
{% endfor %}
        ]
{% endfor %}
      }

    }{{ ',' if not loop.last }}

{% endfor %}

  },

  parameters: [
{% for p in parameters %}

    {

      id: "{{ p.slug | escapejs }}",
      title: "{{ p.name | escapejs }} ({{ p.units | escapejs }})",
      active: {{ 'true' if p.active else 'false' }},
      unit: "{{ p.units | escapejs }}"
    }{{ ',' if not loop.last }}
{% endfor %}

  ]

{#    ,#}
{#  layers: [#}
{#{% for layer in config.layers %}#}
{#    {#}
{#      id: "{{ layer.slug | escapejs }}",#}
{#      data: [#}
{#        { start: "2018-03-08T00:00:00Z", end: "2018-03-20T17:00:00Z" },#}
{#        { start: "2018-03-28T00:00:00", end: "2018-03-29T00:00:00" }#}
{#      ]#}
{#    }{{ ',' if not loop.last }}#}
{#{% endfor %}#}
{#  ]#}

};

var sw;

jQuery().ready(function($){

  // Space Weather app itself, handling data downloads and plot draws.

  sw = new SpaceWeather(configuration);

  sw.init("{{ started_at }}", "{{ stopped_at }}");

  // User Interface (except plots' interactivity, such as mouse hovers)
  var parameters = $('#parameters');
  var isLastParameterEnabled = function(parameter_id) {
    var s = 0;
    parameters.find('.parameter[data-ts-slug]').each(function(i,p) {
      if ($(p).hasClass('active')) s++;
    });
    return s < 2;

  };

  var isLastTargetEnabled = function(target_slug) {
    var s = 0;

    $(".targets-filters .target:not(.locked)").each(function(i,p) {

      if ($(p).hasClass('active')
          && ! $(p).hasClass('loading')
          && ! $(p).hasClass('empty')
          && ! $(p).hasClass('failed')
      ) { s++; }

    });
    return s < 2;
  };

  $(".targets-filters .target:not(.locked)").on("click", function(e){
    if ($(this).hasClass('loading')) return false;

    var switch_on = ! $(this).hasClass('active');

    var target_slug = $(this).attr('data-target-slug');

    if (switch_on) {

      sw.enableTarget(target_slug);

      $(this).addClass('active');

    } else if ( ! isLastTargetEnabled(target_slug)) {
      sw.disableTarget(target_slug);

      $(this).removeClass('active');

    }

    return false;
  });

  parameters.find(".parameter").click(function(e){

    var switch_on = ! $(this).hasClass('active');

    var parameter_slug = $(this).attr('data-ts-slug');

    if (switch_on) {

      sw.enableParameter(parameter_slug);

      $(this).addClass('active');

    } else if ( ! isLastParameterEnabled(parameter_slug)) {
      sw.disableParameter(parameter_slug);

      $(this).removeClass('active');
    }
    return false;
  });

  $('#apply_new_interval').on("click", function(e){
    var started_at = moment($("#started_at").val());
    var stopped_at = moment($("#stopped_at").val());
    sw.resizeDomain(started_at, stopped_at);
    return false;

  });

  $('#apply_new_input').on("click", function(e){
    var new_input_slug = $("input[name='input_slug']:checked").val();
    window.location = "?input_slug="+new_input_slug;
    return false;
  });

  $('.option-layer').on("click", function(e){
    var catalog_slug = $(this).attr('value');
    var checked = $(this).prop('checked');
    if (checked) { sw.showCatalogLayer(catalog_slug); }
    else         { sw.hideCatalogLayer(catalog_slug); }
  });

  var download_spinner = $('#download_spinner');
  var waiting_for_download = false;

  $('#download').on("click", function(e){

    if (waiting_for_download) return;
    download_spinner.css('display', 'inline-block');
    waiting_for_download = true;

    var url = sw.buildDownloadUrl();

    console.info("Downloading " + url);

    $.ajax({
      type: 'GET',
      url: url,
      processData: false,

      success: function (data) {
        download_spinner.css('display', 'none');
        waiting_for_download = false;
        window.location = url;
      },

      error: function (xhr) {

        download_spinner.css('display', 'none');
        waiting_for_download = false;

        console.error('Cannot download.', xhr);
        alert("Our apologies, there was an error while downloading.");
      }
    });
    return false;
  });

  $('#zoom_inner_heliosphere').on("click", function(e){
    console.info("Zooming to inner heliosphere…");
    sw.orbits.zoomToTarget('mars');
    return false;
  });
  $('#zoom_outer_heliosphere').on("click", function(e){
    console.info("Zooming to outer heliosphere…");
    sw.orbits.resize(true);
    return false;
  });

  $('#email_alert').on("click", function(e){
    console.info("Setting an alert…");
    var href = $(this).attr("data-href");
    window.open(href);
    return false;
  });

});
</script>

{#### SAMP ###################################################################}

<script type="application/javascript">

  jQuery().ready(function ($) {
    // Flag to know when a hub is connected or not
    var isConnected = false;

    // Show SAMP button(s) depending on whether the hub is available or not.
    var onHubAvailability = function (isHubRunning) {
      $(".samp").each(function (index, element) {
        if (isHubRunning) {
          isConnected = true;
          $(element).removeClass('disabled mdl-button--disabled');
        } else {
          isConnected = false;
          $(element).addClass('disabled mdl-button--disabled');
        }
      });
    };

    // Update the document about the presence of any SAMP hub every 10 sec.
    var connector = new samp.Connector("Sender");

    connector.onHubAvailability(onHubAvailability, 5000);

    window.onunload = function () {
      connector.unregister();
    };

    // Clicking on a SAMP button sends the CDF file to the connected hub.
    $("#samp").click(function (event) {
      event.stopPropagation();
      if ($(this).hasClass('disabled')) { return; }
      // pitfall : connector.connection is ALWAYS undefined here
      if ( ! isConnected) {  // so we use a bool flag instead
        alert("We do not detect any connected SAMP hub.\n" +
            "Wait some more, or try refreshing this page?");
        return;
      }
      var name = sw.buildSampName();
      var url = sw.buildSampUrl();

      console.info("Trying to activate SAMP…", name, url);

      connector.runWithConnection(function (connection) {
        var msg = new samp.Message("table.load.cdf", {
          "name": name,
          "url": url // absolute URL required
        });
        connection.notifyAll([msg]);
      }, function (error) {
        var msg = 'Error: ' + error;
        console.error(msg);
        alert(msg);  // let's yell at the user as well
      });
    });
  });
</script>

{% endblock %}