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<?php
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/**
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* @file
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* Provides info about book nodes.
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*/
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/**
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* Implements hook_entity_property_info_alter() on top of book module.
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*
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* @see entity_entity_property_info_alter()
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*/
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function entity_metadata_book_entity_property_info_alter(&$info) {
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// Add meta-data about the added node properties.
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$properties = &$info['node']['properties'];
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$properties['book'] = array(
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'label' => t("Book"),
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'type' => 'node',
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'description' => t("If part of a book, the book to which this book page belongs."),
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'getter callback' => 'entity_metadata_book_get_properties',
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);
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dd54aff9
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Assos Assos
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$properties['book_ancestors'] = array(
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'label' => t("Book ancestors"),
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'type' => 'list<node>',
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'computed' => TRUE,
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'description' => t("If part of a book, a list of all book pages upwards in the book hierarchy."),
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'getter callback' => 'entity_metadata_book_get_properties',
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);
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} |