widgets.php

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<?php
$num_columns = elgg_extract('num_columns', $vars, 3);
$show_add_widgets = elgg_extract('show_add_widgets', $vars, true);
$exact_match = elgg_extract('exact_match', $vars, false);
$show_access = elgg_extract('show_access', $vars, true);
$owner_guid = elgg_extract('owner_guid', $vars);

$page_owner = elgg_get_page_owner_entity();
if ($owner_guid) {
    $owner = get_entity($owner_guid);
} else {
    $owner = $page_owner;
}

if (!$owner) {
    elgg_log('Can not resolve owner entity for widget layout', 'ERROR');
    return;
}

// Underlying views and functions assume that the page owner is the owner of the widgets
if ($owner->guid != $page_owner->guid) {
    elgg_set_page_owner_guid($owner->guid);
}

$context = elgg_get_context();

$widget_types = elgg_get_widget_types([
    'context' => $context,
    'exact' => $exact_match,
    'container' => $owner,
]);

elgg_push_context('widgets');

$widgets = elgg_get_widgets($owner->guid, $context);

$layout_attrs = elgg_format_attributes(array(
    'class' => 'elgg-layout-widgets',
    'data-page-owner-guid' => $owner->guid,
));

echo "<div $layout_attrs>";

if (elgg_can_edit_widget_layout($context)) {
    if ($show_add_widgets) {
        echo elgg_view('page/layouts/widgets/add_button');
    }
    $params = array(
        'widgets' => $widgets,
        'context' => $context,
        'exact_match' => $exact_match,
        'show_access' => $show_access,
    );
    echo elgg_view('page/layouts/widgets/add_panel', $params);
}

if (isset($vars['content'])) {
    echo $vars['content'];
}

$widget_class = "elgg-col-1of{$num_columns}";
for ($column_index = 1; $column_index <= $num_columns; $column_index++) {
    if (isset($widgets[$column_index])) {
        $column_widgets = $widgets[$column_index];
    } else {
        $column_widgets = array();
    }

    echo "<div class=\"$widget_class elgg-widgets\" id=\"elgg-widget-col-$column_index\">";
    if (sizeof($column_widgets) > 0) {
        foreach ($column_widgets as $widget) {
            if (array_key_exists($widget->handler, $widget_types)) {
                echo elgg_view_entity($widget, array('show_access' => $show_access));
            }
        }
    }
    echo '</div>';
}

elgg_pop_context();

echo elgg_view('graphics/ajax_loader', array('id' => 'elgg-widget-loader'));

echo '</div>';


// Restore original page owner
if ($owner->guid != $page_owner->guid) {
    elgg_set_page_owner_guid($page_owner->guid);
}