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<?php
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3
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class menu_token_entity_context implements menu_token_handler {
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function form_options($options) {
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// Nothing to do here.
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}
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function form_submit($form, &$form_state) {
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// Nothing to do here.
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}
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function form_validate($form, &$form_state) {
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// Nothing to do here.
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}
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function form_alter(&$form, &$form_state) {
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// Nothing to do here.
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}
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function object_load($options) {
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$entity_type = $options['_type'];
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$entity_info = entity_get_info($entity_type);
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// As the $entity object is not available in $options, we can't use uri_callback method.
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// Thus directly look for path in the entity info.
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if (isset($entity_info['path'])) {
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$path = $entity_info['path'];
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}
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// Or look for a default path.
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elseif (isset($entity_info['default path'])) {
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$path = $entity_info['default path'];
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}
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// No path available so far, so exit with NULL.
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else {
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return NULL;
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}
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$path_components = explode('/', $path);
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foreach ($path_components as $position => $component) {
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// If this is a menu argument, then use the current position to find
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// the entity id.
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if (strpos($component, '%') === 0) {
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break;
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}
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45
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// If the current URL deviates from the expected path, assume the
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// entity is not present.
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if ($component !== arg($position)) {
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return FALSE;
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}
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}
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52
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return entity_load_single($entity_type, arg($position));
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}
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55
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}
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