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<?php
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/**
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* @file
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* Hooks provided by the CDM DataPortal module.
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*/
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/**
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* @addtogroup hooks
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* @{
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*/
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/**
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* Alter the feature block list.
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*
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* Modules implementing this hook can add, remove or modify
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* feature blocks of the taxon general page part and of the
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* specimen page part.
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*
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* @param $block_list
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* the array of blocks as returned by list_blocks()
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* @param $taxon
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* Optional CDM Taxon instance, currently only given if
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* called from within the taxon general page part
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*
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* @return array
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* the altered $block_list
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*
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*/
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function hook_cdm_feature_node_blocks_alter(&$block_list, $taxon = NULL) {
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if ($taxon) {
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// taxon is only given if called from within the taxon general page part
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$numberOfChildren = count(
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cdm_ws_get(CDM_WS_PORTAL_TAXONOMY_CHILDNODES_OF_TAXON,
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[
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get_current_classification_uuid(),
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$taxon->uuid,
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]
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)
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);
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$subRank = 'sub taxa';
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if ($taxon->name->rank->titleCache == "Genus") {
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$subRank = "species";
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}
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else {
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if ($taxon->name->rank->titleCache == "Species") {
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if ($numberOfChildren == 1) {
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$subRank = "infraspecific taxon";
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}
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else {
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$subRank = "infraspecific taxa";
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}
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}
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}
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if ($numberOfChildren > 0) {
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$pseudo_feature_weights = get_array_variable_merged(CDM_PSEUDO_FEATURE_BLOCK_WEIGHTS, CDM_PSEUDO_FEATURE_BLOCK_WEIGHTS_DEFAULT);
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$feature_num_of_taxa = make_pseudo_feature('Number of Taxa', PSEUDO_FEATURE_NUMBER_OF_TAXA);
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$block = feature_block(t('Number of Taxa'), $feature_num_of_taxa);
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$block->content[] = compose_feature_block_wrap_elements([
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markup_to_render_array(
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'<ul class="feature-block-elements"><li>'
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. $numberOfChildren . " " . $subRank
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. '</li></ul>')]
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, $feature_num_of_taxa);
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$block_list[$pseudo_feature_weights[PSEUDO_FEATURE_NUMBER_OF_TAXA]] = $block;
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cdm_toc_list_add_item('Number of Taxa', 'number-of-taxa', NULL, TRUE);
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}
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}
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return $block_list;
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}
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/**
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* Alter the content of a feature block.
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*
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* Modules implementing this hook can add, remove or modify
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* feature blocks contents of the taxon general page part and of the
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* specimen page part.
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*
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* @param array $block_content
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* Drupal render array for the content of the feature block
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* @param object $feature
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* The feature this block belongs to
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* @param object $elements
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* An array of CDM DescriptionElement instances which are being displayed in
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* this block. Even if this array is passed as reference it should not being
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* altered. Passing by reference is only recommended to reduce the memory
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* footprint.
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*/
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function hook_cdm_feature_node_block_content_alter(&$block_content, $feature, &$elements){
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if($feature->uuid == UUID_DISTRIBUTION){
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$block_content['my_custom_render_element'] = array(
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'#type' => 'markup',
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'#markup' => '<h1>Hello World</h1>',
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'#weight' => 99, // Show at the bottom of the block
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);
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}
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}
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/*
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* Alter the merged feature tree for a taxon profile page.
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*
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* @param $merged_tree
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* The $merged_tree as produced by merged_taxon_feature_tree($taxon)
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* @param $taxon
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* A CDM Taxon instance
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*/
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function hook_merged_taxon_feature_tree_alter($taxon, &$merged_tree){
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// find the distribution feature node
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$distribution_node =& cdm_feature_tree_find_node($merged_tree->root->childNodes, UUID_DISTRIBUTION);
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// remove all TextData
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$distribution_node->descriptionElements['TextData'] = array();
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}
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/**
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* @} End of "addtogroup hooks".
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*/
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