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1 {#
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2 /**
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3 * @file
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4 * Default theme implementation for a menu block.
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5 *
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6 * Available variables:
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7 * - plugin_id: The ID of the block implementation.
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8 * - label: The configured label of the block if visible.
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9 * - configuration: A list of the block's configuration values.
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10 * - label: The configured label for the block.
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11 * - label_display: The display settings for the label.
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12 * - provider: The module or other provider that provided this block plugin.
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13 * - Block plugin specific settings will also be stored here.
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14 * - content: The content of this block.
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15 * - attributes: HTML attributes for the containing element.
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16 * - id: A valid HTML ID and guaranteed unique.
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17 * - title_attributes: HTML attributes for the title element.
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18 * - content_attributes: HTML attributes for the content element.
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19 * - title_prefix: Additional output populated by modules, intended to be
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20 * displayed in front of the main title tag that appears in the template.
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21 * - title_suffix: Additional output populated by modules, intended to be
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22 * displayed after the main title tag that appears in the template.
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23 *
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24 * Headings should be used on navigation menus that consistently appear on
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25 * multiple pages. When this menu block's label is configured to not be
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26 * displayed, it is automatically made invisible using the 'visually-hidden' CSS
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27 * class, which still keeps it visible for screen-readers and assistive
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28 * technology. Headings allow screen-reader and keyboard only users to navigate
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29 * to or skip the links.
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30 * See http://juicystudio.com/article/screen-readers-display-none.php and
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31 * http://www.w3.org/TR/WCAG-TECHS/H42.html for more information.
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32 *
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33 * @ingroup themeable
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34 */
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35 #}
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36 {% set heading_id = attributes.id ~ '-menu'|clean_id %}
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37 <nav role="navigation" aria-labelledby="{{ heading_id }}"{{ attributes|without('role', 'aria-labelledby') }}>
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38 {# Label. If not displayed, we still provide it for screen readers. #}
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39 {% if not configuration.label_display %}
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40 {% set title_attributes = title_attributes.addClass('visually-hidden') %}
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41 {% endif %}
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42 {{ title_prefix }}
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43 <h2{{ title_attributes.setAttribute('id', heading_id) }}>{{ configuration.label }}</h2>
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44 {{ title_suffix }}
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45
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46 {# Menu. #}
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47 {% block content %}
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48 {{ content }}
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49 {% endblock %}
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50 </nav>
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