{% load i18n %}
<div class="vectordraw_block">

  {% if error %}

  <div class="error-report">
    <p>{% trans "Problem has an error:" %} {{ error }}</p>
    <pre>
      {% for line in traceback %}
        {{ line }}
      {% endfor %}
    </pre>
  </div>

  {% else %}

  <h2>{{ self.display_name }}</h2>

  {% if self.description %}
    <div class="vectordraw-description">
      {{ self.description|safe }}
    </div>
  {% endif %}

  <div id="vectordraw">
    <div class="menu" style="width: {{ self.width }}px;">
      <div class="controls">
        <label class="sr" for="element-list">{% trans "Select element to add to board" %}</label>
        <select id="element-list" class="element-list-add">
          {% for vector in self.get_vectors %}
            <option value="vector-{{ forloop.counter0 }}">
              {{ vector.description }}
            </option>
          {% endfor %}
          {% for point in self.get_points %}
            {% if not point.fixed %}
              <option value="point-{{ forloop.counter0 }}">
                {{ point.description }}
              </option>
            {% endif %}
          {% endfor %}
        </select>
        <button class="add-vector">
          {{ self.add_vector_label }}
        </button>
        <button class="reset">
          <span class="reset-label" aria-hidden="true">{% trans "Reset" %}</span>
          <span class="sr">{% trans "Reset board to initial state" %}</span>
        </button>
        <button class="redo" title="{% trans 'Redo' %}">
          <span class="redo-label fa fa-repeat" aria-hidden="true"></span>
          <span class="sr">{% trans "Redo last action" %}</span>
        </button>
        <button class="undo" title="{% trans 'Undo' %}">
          <span class="undo-label fa fa-undo" aria-hidden="true"></span>
          <span class="sr">{% trans "Undo last action" %}</span>
        </button>
      </div>
      {% if self.show_vector_properties %}
      <div class="vector-properties" aria-live="polite">
        <h3>{{ self.vector_properties_label }}</h3>
        <div class="vector-prop-list">
          <div class="row">
            <div class="vector-prop vector-prop-name">
              <span id="vector-prop-name-label">
                {% trans "name" %}:
              </span>
              <select class="element-list-edit" aria-labelledby="vector-prop-name-label">
                <option value="-" selected="selected" disabled="disabled">-</option>
                {% for vector in self.get_vectors %}
                  <option value="vector-{{ forloop.counter0 }}" data-vector-name="{{ vector.name }}">
                    {{ vector.name }}
                  </option>
                {% endfor %}
                {% for point in self.get_points %}
                  {% if not point.fixed %}
                    <option value="point-{{ forloop.counter0 }}">
                      {{ point.name }}
                    </option>
                  {% endif %}
                {% endfor %}
              </select>
            </div>
          </div>
          <div class="row">
            <div class="vector-prop vector-prop-tail">
              <span id="vector-prop-tail-label">
                {% trans "tail position" %}:
              </span>
              <input type="text" disabled="disabled" placeholder="-" aria-labelledby="vector-prop-tail-label">
            </div>
            <div class="vector-prop vector-prop-length">
              <span id="vector-prop-length-label">
                {% trans "length" %}:
              </span>
              <input type="text" disabled="disabled" placeholder="-" aria-labelledby="vector-prop-length-label">
            </div>
          </div>
          <div class="row">
            <div class="vector-prop vector-prop-angle">
              <span id="vector-prop-angle-label">
                {% trans "angle" %}:
              </span>
              <input type="text" disabled="disabled" placeholder="-" aria-labelledby="vector-prop-angle-label">
            </div>
            <div class="vector-prop vector-prop-slope">
              <span id="vector-prop-slope-label">
                {% trans "slope" %}:
              </span>
              <input type="text" disabled="disabled" placeholder="-" aria-labelledby="vector-prop-slope-label">
            </div>
          </div>
          <div class="row">
            <div class="vector-prop vector-prop-update">
              <button class="update" disabled="disabled">
                <span class="update-label" aria-hidden="true">{% trans "Update" %}</span>
                <span class="sr">{% trans "Update properties of selected element" %}</span>
              </button>
              <span class="update-error">{% trans "Invalid input." %}</span>
            </div>
          </div>
        </div>
      </div>
      {% endif %}
    </div>
    <div class="jxgboard"
         style="width: {{ self.width }}px; height: {{ self.height }}px;"
         aria-live="polite"></div>
  </div>

  <div class="vectordraw-status">
    <span class="correctness icon-2x"></span>
    <div class="status-message"></div>
  </div>

  <div class="action">
    <button class="check">
      <span class="check-label" aria-hidden="true">{% trans "Check" %}</span>
      <span class="sr">{% trans "Check your answer" %}</span>
    </button>
  </div>

  {% endif %}

</div>