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@@ -10,7 +10,7 @@ class chado_feature__residues extends TripalField {
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*/
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function field_info() {
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return array(
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- 'label' => t('Residues'),
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+ 'label' => t('Sequences'),
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'description' => t('A field for managing nucleotide and protein residues.'),
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'default_widget' => 'chado_feature__residues_widget',
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'default_formatter' => 'chado_feature__residues_formatter',
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@@ -56,7 +56,7 @@ class chado_feature__residues extends TripalField {
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'field_type' => 'chado_feature__residues',
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'widget_type' => 'chado_feature__residues_widget',
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'description' => 'An IUPAC compatible residues for this feature.',
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- 'label' => 'Residues',
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+ 'label' => 'Sequences',
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'is_required' => 0,
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'storage' => 'field_chado_storage',
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'widget_settings' => array(
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@@ -66,10 +66,10 @@ class chado_feature__residues extends TripalField {
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'chado_table' => $table_name,
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'chado_column' => 'residues',
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'semantic_web' => array(
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- 'name' => '',
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- 'accession' => '',
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- 'ns' => '',
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- 'nsurl' => '',
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+ 'name' => 'sequence_feature',
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+ 'accession' => '0000110',
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+ 'ns' => 'SO',
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+ 'nsurl' => 'http://www.sequenceontology.org',
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),
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),
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);
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@@ -83,7 +83,7 @@ class chado_feature__residues extends TripalField {
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*/
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function widget_info() {
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return array(
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- 'label' => t('Residues'),
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+ 'label' => t('Sequences'),
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'field types' => array('chado_feature__residues'),
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);
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}
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@@ -97,7 +97,7 @@ class chado_feature__residues extends TripalField {
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*/
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function formatter_info() {
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return array(
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- 'label' => t('Residues'),
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+ 'label' => t('Sequences'),
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'field types' => array('chado_feature__residues'),
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);
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}
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@@ -114,9 +114,21 @@ class chado_feature__residues extends TripalField {
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function formatter_view(&$element, $entity_type, $entity, $field,
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$instance, $langcode, $items, $display) {
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+ $num_bases = 50;
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+ $feature = $entity->chado_record;
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+
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foreach ($items as $delta => $item) {
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- $residues = key_exists('value', $item) ? $item['value'] : '';
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- $content = '<pre class="residues-formatter">' . $residues . '</pre>';
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+
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+ $residues = $item['value']['residues'];
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+ $label = $item['value']['label'];
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+ $defline = $item['value']['defline'];
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+
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+ $content = '<p>' . $label . '<p>';
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+ $content .= '<pre class="residues-formatter">';
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+ $content .= '>' . $defline . "<br>";
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+ $content .= wordwrap($residues, $num_bases, "<br>", TRUE);
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+ $content .= '</pre>';
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+
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$element[$delta] = array(
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// We create a render array to produce the desired markup,
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'#type' => 'markup',
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@@ -152,6 +164,464 @@ class chado_feature__residues extends TripalField {
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);
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}
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+ /**
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+ * @see TripalField::load()
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+ */
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+ function load($field, $entity, $details) {
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+ $field_name = $field['field_name'];
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+ $feature = $details['record'];
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+ $num_seqs = 0;
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+
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+ // we don't want to get the sequence for traditionally large types. They are
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+ // too big, bog down the web browser, take longer to load and it's not
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+ // reasonable to print them on a page.
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+
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+ if(strcmp($feature->type_id->name,'scaffold') !=0 and
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+ strcmp($feature->type_id->name,'chromosome') !=0 and
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+ strcmp($feature->type_id->name,'supercontig') !=0 and
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+ strcmp($feature->type_id->name,'pseudomolecule') !=0) {
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+
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+ $feature = chado_expand_var($feature,'field','feature.residues');
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+ if ($feature->residues) {
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+ $entity->{$field_name}['und'][$num_seqs++]['value'] = array(
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+ '@type' => 'SO:0000110',
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+ 'type' => 'sequence_feature',
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+ 'label' => 'Sequence',
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+ 'defline' => tripal_get_fasta_defline($feature, '', NULL, '', strlen($feature->residues)),
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+ 'residues' => $feature->residues,
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+ );
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+ }
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+ }
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+
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+ // Add in the protein sequences
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+ $values = array(
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+ 'object_id' => $feature->feature_id,
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+ 'subject_id' => array(
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+ 'type_id' => array(
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+ 'name' => 'polypeptide'
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+ ),
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+ ),
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+ 'type_id' => array(
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+ 'name' => 'derives_from',
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+ ),
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+ );
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+ $options = array(
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+ 'return_array' => 1,
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+ 'include_fk' => array(
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+ 'subject_id' => 1
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+ ),
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+ );
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+ $protein_rels = chado_generate_var('feature_relationship', $values, $options);
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+ foreach ($protein_rels as $protein_rel) {
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+ $protein_rel = chado_expand_var($protein_rel, 'field', 'feature.residues');
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+ if ($protein_rel->subject_id->residues) {
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+ $entity->{$field_name}['und'][$num_seqs++]['value'] = array(
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+ '@type' => 'SO:0000104',
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+ 'type' => 'polypeptide',
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+ 'label' => 'Protein Sequence',
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+ 'defline' => tripal_get_fasta_defline($protein_rel->subject_id, '', NULL, '', strlen($protein_rel->subject_id->residues)),
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+ 'residues' => $protein_rel->subject_id->residues,
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+ );
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+ }
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+ }
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+
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+
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+ // Add in sequences from alignments.
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+ $options = array(
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+ 'return_array' => 1,
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+ 'include_fk' => array(
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+ 'srcfeature_id' => array(
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+ 'type_id' => 1
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+ ),
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+ 'feature_id' => array(
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+ 'type_id' => 1
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+ ),
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+ ),
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+ );
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+ $feature = chado_expand_var($feature, 'table', 'featureloc', $options);
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+
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+ $featureloc_sequences = $this->get_featureloc_sequences($feature->feature_id, $feature->featureloc->feature_id);
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+
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+ // Add in the coding sequences.
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+ $values = array(
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+ 'object_id' => $feature->feature_id,
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+ 'subject_id' => array(
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+ 'type_id' => array(
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+ 'name' => 'CDS'
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+ ),
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+ ),
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+ 'type_id' => array(
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+ 'name' => 'part_of',
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+ ),
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+ );
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+ $options = array(
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+ 'order_by' => array('rank' => 'ASC'),
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+ 'return_array' => 1,
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+ 'include_fk' => array(
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+ 'subject_id' => 1
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+ ),
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+ );
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+ $cds_rels = chado_generate_var('feature_relationship', $values, $options);
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+ $coding_seq = '';
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+ foreach ($cds_rels as $cds_rel) {
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+ $cds_rel = chado_expand_var($cds_rel, 'field', 'feature.residues');
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+ if ($cds_rel->subject_id->residues) {
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+ $coding_seq .= $cds_rel->subject_id->residues;
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+ }
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+ }
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+ if ($coding_seq) {
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+ $entity->{$field_name}['und'][$num_seqs++]['value'] = array(
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+ '@type' => 'SO:0000316',
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+ 'type' => 'coding_sequence',
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+ 'label' => 'Coding sequence (CDS)',
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+ 'defline' => tripal_get_fasta_defline($feature, '', $feature->featureloc->feature_id[0], '', strlen($coding_seq)),
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+ 'residues' => $coding_seq,
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+ );
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+ }
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+
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+ foreach($featureloc_sequences as $src => $attrs){
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+ // the $attrs array has the following keys
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+ // * id: a unique identifier combining the feature id with the cvterm id
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+ // * type: the type of sequence (e.g. mRNA, etc)
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+ // * location: the alignment location
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+ // * defline: the definition line
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+ // * formatted_seq: the formatted sequences
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+ // * featureloc: the feature object aligned to
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+ $entity->{$field_name}['und'][$num_seqs++]['value'] = array(
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+ 'residues' => $attrs['residues'],
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+ '@type' => 'SO:0000110',
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+ 'type' => 'sequence_feature',
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+ 'defline' => tripal_get_fasta_defline($feature, '', $attrs['featureloc'], 'CDS', strlen($attrs['residues'])),
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+ 'label' => 'Sequence from alignment at ' . $attrs['location'],
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+ );
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+
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+
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+ // check to see if this alignment has any CDS. If so, generate a CDS sequence
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+ $cds_sequence = tripal_get_feature_sequences(
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+ array(
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+ 'feature_id' => $feature->feature_id,
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+ 'parent_id' => $attrs['featureloc']->srcfeature_id->feature_id,
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+ 'name' => $feature->name,
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+ 'featureloc_id' => $attrs['featureloc']->featureloc_id,
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+ ),
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+ array(
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+ 'derive_from_parent' => 1, // CDS are in parent-child relationships so we want to use the sequence from the parent
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+ 'aggregate' => 1, // we want to combine all CDS for this feature into a single sequence
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+ 'sub_feature_types' => array('CDS'), // we're looking for CDS features
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+ 'is_html' => 0
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+ )
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+ );
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+ if (count($cds_sequence) > 0) {
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+ // the tripal_get_feature_sequences() function can return multiple sequences
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+ // if a feature is aligned to multiple places. In the case of CDSs we expect
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+ // that one mRNA is only aligned to a single location on the assembly so we
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+ // can access the CDS sequence with index 0.
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+ if ($cds_sequence[0]['residues']) {
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+ $entity->{$field_name}['und'][$num_seqs++]['value'] = array(
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+ 'residues' => $cds_sequence[0]['residues'],
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+ '@type' => 'SO:0000316',
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+ 'type' => 'coding_sequence',
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+ 'defline' => tripal_get_fasta_defline($feature, '', $attrs['featureloc'], 'CDS', $cds_sequence[0]['length']),
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+ 'label' => 'Coding sequence (CDS) from alignment at ' . $attrs['location'],
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+ );
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+ }
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+ }
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+ }
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+ }
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+
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+ /**
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+ *
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+ * @param unknown $feature_id
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+ * @param unknown $featurelocs
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+ * @return multitype:|Ambigous <multitype:, an>
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+ */
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+ private function get_featureloc_sequences($feature_id, $featurelocs) {
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+
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+ // if we don't have any featurelocs then no point in continuing
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+ if (!$featurelocs) {
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+ return array();
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+ }
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+
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+ // get the list of relationships (including any aggregators) and iterate
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+ // through each one to find information needed to color-code the reference sequence
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+ $relationships = $this->get_aggregate_relationships($feature_id);
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+ if (!$relationships) {
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+ return array();
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+ }
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+
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+
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+ // iterate through each of the realtionships features and get their
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+ // locations
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+ foreach ($relationships as $rindex => $rel) {
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+ // get the featurelocs for each of the relationship features
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+ $rel_featurelocs = $this->get_featurelocs($rel->subject_id, 'as_child', 0);
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+ foreach ($rel_featurelocs as $rfindex => $rel_featureloc) {
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+ // keep track of this unique source feature
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+ $src = $rel_featureloc->src_feature_id . "-" . $rel_featureloc->src_cvterm_id;
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+
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+ // copy over the results to the relationship object. Since there can
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+ // be more than one feature location for each relationship feature we
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+ // use the '$src' variable to keep track of these.
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+ $rel->featurelocs = new stdClass();
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+ $rel->featurelocs->$src = new stdClass();
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+ $rel->featurelocs->$src->src_uniquename = $rel_featureloc->src_uniquename;
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+ $rel->featurelocs->$src->src_cvterm_id = $rel_featureloc->src_cvterm_id;
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+ $rel->featurelocs->$src->src_cvname = $rel_featureloc->src_cvname;
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+ $rel->featurelocs->$src->fmin = $rel_featureloc->fmin;
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+ $rel->featurelocs->$src->fmax = $rel_featureloc->fmax;
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+ $rel->featurelocs->$src->src_name = $rel_featureloc->src_name;
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+
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+ // keep track of the individual parts for each relationship
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+ $start = $rel->featurelocs->$src->fmin;
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+ $end = $rel->featurelocs->$src->fmax;
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+ $type = $rel->subject_type;
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+ $rel_locs[$src]['parts'][$start][$type]['start'] = $start;
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+ $rel_locs[$src]['parts'][$start][$type]['end'] = $end;
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+ $rel_locs[$src]['parts'][$start][$type]['type'] = $type;
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+ }
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+ }
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+
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+ // the featurelocs array provided to the function contains the locations
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+ // where this feature is found. We want to get the sequence for each
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+ // location and then annotate it with the parts found from the relationships
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+ // locations determiend above.
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+ $floc_sequences = array();
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+ foreach ($featurelocs as $featureloc) {
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+
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+ // build the src name so we can keep track of the different parts for each feature
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+ $src = $featureloc->srcfeature_id->feature_id . "-" . $featureloc->srcfeature_id->type_id->cvterm_id;
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+
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+ // orient the parts to the beginning of the feature sequence
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+ if (!empty($rel_locs[$src]['parts'])) {
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+ $parts = $rel_locs[$src]['parts'];
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+ $rparts = array(); // we will fill this up if we're on the reverse strand
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+
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+ foreach ($parts as $start => $types) {
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+ foreach ($types as $type_name => $type) {
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+ if ($featureloc->strand >= 0) {
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+ // this is on the forward strand. We need to convert the start on the src feature to the
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+ // start on this feature's sequence
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+ $parts[$start][$type_name]['start'] = $parts[$start][$type_name]['start'] - $featureloc->fmin;
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+ $parts[$start][$type_name]['end'] = $parts[$start][$type_name]['end'] - $featureloc->fmin;
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+ $parts[$start][$type_name]['type'] = $type_name;
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+ }
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+ else {
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+ // this is on the reverse strand. We need to swap the start and stop and calculate from the
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+ // begining of the reverse sequence
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+ $size = ($featureloc->fmax - $featureloc->fmin);
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+ $start_orig = $parts[$start][$type_name]['start'];
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+ $end_orig = $parts[$start][$type_name]['end'];
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+ $new_start = $size - ($end_orig - $featureloc->fmin);
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+ $new_end = $size - ($start_orig - $featureloc->fmin);
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+
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+ $rparts[$new_start][$type_name]['start'] = $new_start;
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+ $rparts[$new_start][$type_name]['end'] = $new_end;
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+ $rparts[$new_start][$type_name]['type'] = $type_name;
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+ }
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+ }
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+ }
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+
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+ // now sort the parts
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+ // if we're on the reverse strand we need to resort
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+ if ($featureloc->strand >= 0) {
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+ usort($parts, 'chado_feature__residues_sort_rel_parts_by_start');
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+ }
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+ else {
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+ usort($rparts, 'chado_feature__residues_sort_rel_parts_by_start');
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+ $parts = $rparts;
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+ }
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+
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+ $floc_sequences[$src]['id'] = $src;
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+ $floc_sequences[$src]['type'] = $featureloc->feature_id->type_id->name;
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+ $args = array(':feature_id' => $featureloc->srcfeature_id->feature_id);
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+ $start = $featureloc->fmin + 1;
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+ $size = $featureloc->fmax - $featureloc->fmin;
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+
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+ // TODO: fix the hard coded $start and $size
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+ // the $start and $size variables are hard-coded in the SQL statement
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+ // because the db_query function places quotes around all placeholders
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+ // (e.g. :start & :size) and screws up the substring function
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+ $sql = "
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+ SELECT substring(residues from $start for $size) as residues
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+ FROM {feature}
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+ WHERE feature_id = :feature_id
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+ ";
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+ $sequence = chado_query($sql, $args)->fetchObject();
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+ $residues = $sequence->residues;
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+ if ($featureloc->strand < 0) {
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+ $residues = tripal_reverse_compliment_sequence($residues);
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+ }
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|
+ $strand = '.';
|
|
|
+ if ($featureloc->strand == 1) {
|
|
|
+ $strand = '+';
|
|
|
+ }
|
|
|
+ elseif ($featureloc->strand == -1) {
|
|
|
+ $strand = '-';
|
|
|
+ }
|
|
|
+ $floc_sequences[$src]['location'] = tripal_get_location_string($featureloc);
|
|
|
+ $floc_sequences[$src]['defline'] = tripal_get_fasta_defline($featureloc->feature_id, '', $featureloc, '', strlen($residues));
|
|
|
+ $floc_sequences[$src]['featureloc'] = $featureloc;
|
|
|
+ $floc_sequences[$src]['residues'] = $residues;
|
|
|
+ //$floc_sequences[$src]['formatted_seq'] = tripal_feature_color_sequence($residues, $parts, $floc_sequences[$src]['defline']);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return $floc_sequences;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Get features related to the current feature to a given depth. Recursive function.
|
|
|
+ *
|
|
|
+ * @param $feature_id
|
|
|
+ * @param $substitute
|
|
|
+ * @param $levels
|
|
|
+ * @param $base_type_id
|
|
|
+ * @param $depth
|
|
|
+ *
|
|
|
+ * @ingroup tripal_feature
|
|
|
+ */
|
|
|
+ private function get_aggregate_relationships($feature_id, $substitute=1,
|
|
|
+ $levels=0, $base_type_id=NULL, $depth=0) {
|
|
|
+
|
|
|
+ // we only want to recurse to as many levels deep as indicated by the
|
|
|
+ // $levels variable, but only if this variable is > 0. If 0 then we
|
|
|
+ // recurse until we reach the end of the relationships tree.
|
|
|
+ if ($levels > 0 and $levels == $depth) {
|
|
|
+ return NULL;
|
|
|
+ }
|
|
|
+
|
|
|
+ // first get the relationships for this feature
|
|
|
+ return $this->get_relationships($feature_id, 'as_object');
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Get the relationships for a feature.
|
|
|
+ *
|
|
|
+ * @param $feature_id
|
|
|
+ * The feature to get relationships for
|
|
|
+ * @param $side
|
|
|
+ * The side of the relationship this feature is (ie: 'as_subject' or 'as_object')
|
|
|
+ *
|
|
|
+ * @ingroup tripal_feature
|
|
|
+ */
|
|
|
+ private function get_relationships($feature_id, $side = 'as_subject') {
|
|
|
+ // get the relationships for this feature. The query below is used for both
|
|
|
+ // querying the object and subject relationships
|
|
|
+ $sql = "
|
|
|
+ SELECT
|
|
|
+ FS.name as subject_name, FS.uniquename as subject_uniquename,
|
|
|
+ CVTS.name as subject_type, CVTS.cvterm_id as subject_type_id,
|
|
|
+ FR.subject_id, FR.type_id as relationship_type_id, FR.object_id, FR.rank,
|
|
|
+ CVT.name as rel_type,
|
|
|
+ FO.name as object_name, FO.uniquename as object_uniquename,
|
|
|
+ CVTO.name as object_type, CVTO.cvterm_id as object_type_id
|
|
|
+ FROM {feature_relationship} FR
|
|
|
+ INNER JOIN {cvterm} CVT ON FR.type_id = CVT.cvterm_id
|
|
|
+ INNER JOIN {feature} FS ON FS.feature_id = FR.subject_id
|
|
|
+ INNER JOIN {feature} FO ON FO.feature_id = FR.object_id
|
|
|
+ INNER JOIN {cvterm} CVTO ON FO.type_id = CVTO.cvterm_id
|
|
|
+ INNER JOIN {cvterm} CVTS ON FS.type_id = CVTS.cvterm_id
|
|
|
+ ";
|
|
|
+ if (strcmp($side, 'as_object')==0) {
|
|
|
+ $sql .= " WHERE FR.object_id = :feature_id";
|
|
|
+ }
|
|
|
+ if (strcmp($side, 'as_subject')==0) {
|
|
|
+ $sql .= " WHERE FR.subject_id = :feature_id";
|
|
|
+ }
|
|
|
+ $sql .= " ORDER BY FR.rank";
|
|
|
+
|
|
|
+ // get the relationships
|
|
|
+ $results = chado_query($sql, array(':feature_id' => $feature_id));
|
|
|
+
|
|
|
+
|
|
|
+ // iterate through the relationships, put these in an array and add
|
|
|
+ // in the Drupal node id if one exists
|
|
|
+ $i=0;
|
|
|
+ $esql = "
|
|
|
+ SELECT entity_id
|
|
|
+ FROM {chado_entity}
|
|
|
+ WHERE data_table = 'feature' AND record_id = :feature_id";
|
|
|
+ $relationships = array();
|
|
|
+ while ($rel = $results->fetchObject()) {
|
|
|
+ $entity = db_query($esql, array(':feature_id' => $rel->subject_id))->fetchObject();
|
|
|
+ if ($entity) {
|
|
|
+ $rel->subject_entity_id = $entity->entity_id;
|
|
|
+ }
|
|
|
+ $entity = db_query($esql, array(':feature_id' => $rel->object_id))->fetchObject();
|
|
|
+ if ($entity) {
|
|
|
+ $rel->object_entity_id = $entity->entity_id;
|
|
|
+ }
|
|
|
+ $relationships[$i++] = $rel;
|
|
|
+ }
|
|
|
+ return $relationships;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Load the locations for a given feature
|
|
|
+ *
|
|
|
+ * @param $feature_id
|
|
|
+ * The feature to look up locations for
|
|
|
+ * @param $side
|
|
|
+ * Whether the feature is the scrfeature, 'as_parent', or feature, 'as_child'
|
|
|
+ * @param $aggregate
|
|
|
+ * Whether or not to get the locations for related features
|
|
|
+ *
|
|
|
+ * @ingroup tripal_feature
|
|
|
+ */
|
|
|
+ private function get_featurelocs($feature_id, $side = 'as_parent', $aggregate = 1) {
|
|
|
+
|
|
|
+ $sql = "
|
|
|
+ SELECT
|
|
|
+ F.name, F.feature_id, F.uniquename,
|
|
|
+ FS.name as src_name, FS.feature_id as src_feature_id, FS.uniquename as src_uniquename,
|
|
|
+ CVT.name as cvname, CVT.cvterm_id,
|
|
|
+ CVTS.name as src_cvname, CVTS.cvterm_id as src_cvterm_id,
|
|
|
+ FL.fmin, FL.fmax, FL.is_fmin_partial, FL.is_fmax_partial,FL.strand, FL.phase
|
|
|
+ FROM {featureloc} FL
|
|
|
+ INNER JOIN {feature} F ON FL.feature_id = F.feature_id
|
|
|
+ INNER JOIN {feature} FS ON FS.feature_id = FL.srcfeature_id
|
|
|
+ INNER JOIN {cvterm} CVT ON F.type_id = CVT.cvterm_id
|
|
|
+ INNER JOIN {cvterm} CVTS ON FS.type_id = CVTS.cvterm_id
|
|
|
+ ";
|
|
|
+ if (strcmp($side, 'as_parent')==0) {
|
|
|
+ $sql .= "WHERE FL.srcfeature_id = :feature_id ";
|
|
|
+ }
|
|
|
+ if (strcmp($side, 'as_child')==0) {
|
|
|
+ $sql .= "WHERE FL.feature_id = :feature_id ";
|
|
|
+ }
|
|
|
+
|
|
|
+ $flresults = chado_query($sql, array(':feature_id' => $feature_id));
|
|
|
+
|
|
|
+ // copy the results into an array
|
|
|
+ $i=0;
|
|
|
+ $featurelocs = array();
|
|
|
+ while ($loc = $flresults->fetchObject()) {
|
|
|
+ // if a drupal node exists for this feature then add the nid to the
|
|
|
+ // results object
|
|
|
+
|
|
|
+ $loc->feid = tripal_get_chado_entity_id('feature', $loc->feature_id);
|
|
|
+ $loc->seid = tripal_get_chado_entity_id('feature', $loc->src_feature_id);
|
|
|
+ // add the result to the array
|
|
|
+ $featurelocs[$i++] = $loc;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Add the relationship feature locs if aggregate is turned on
|
|
|
+ if ($aggregate and strcmp($side, 'as_parent')==0) {
|
|
|
+ // get the relationships for this feature without substituting any children
|
|
|
+ // for the parent. We want all relationships
|
|
|
+ $relationships = tripal_feature_get_aggregate_relationships($feature_id, 0);
|
|
|
+ foreach ($relationships as $rindex => $rel) {
|
|
|
+ // get the featurelocs for each of the relationship features
|
|
|
+ $rel_featurelocs = tripal_feature_load_featurelocs($rel->subject_id, 'as_child', 0);
|
|
|
+ foreach ($rel_featurelocs as $findex => $rfloc) {
|
|
|
+ $featurelocs[$i++] = $rfloc;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ usort($featurelocs, 'chado_feature__residues_sort_locations');
|
|
|
+ return $featurelocs;
|
|
|
+ }
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
@@ -166,4 +636,37 @@ function chado_feature__residues_widget_validate($element, &$form_state) {
|
|
|
$residues = preg_replace('/\s/', '', $residues);
|
|
|
tripal_chado_set_field_form_values($field_name, $form_state, $residues);
|
|
|
}
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Used to sort the list of relationship parts by start position
|
|
|
+ *
|
|
|
+ * @ingroup tripal_feature
|
|
|
+ */
|
|
|
+function chado_feature__residues_sort_rel_parts_by_start($a, $b) {
|
|
|
+ foreach ($a as $type_name => $details) {
|
|
|
+ $astart = $a[$type_name]['start'];
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ foreach ($b as $type_name => $details) {
|
|
|
+ $bstart = $b[$type_name]['start'];
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ return strnatcmp($astart, $bstart);
|
|
|
+}
|
|
|
+/**
|
|
|
+ * Used to sort the feature locs by start position
|
|
|
+ *
|
|
|
+ * @param $a
|
|
|
+ * One featureloc record (as an object)
|
|
|
+ * @param $b
|
|
|
+ * The other featureloc record (as an object)
|
|
|
+ *
|
|
|
+ * @return
|
|
|
+ * Which feature location comes first
|
|
|
+ *
|
|
|
+ * @ingroup tripal_feature
|
|
|
+ */
|
|
|
+function chado_feature__residues_sort_locations($a, $b) {
|
|
|
+ return strnatcmp($a->fmin, $b->fmin);
|
|
|
}
|
Stephen Ficklin