56 lines
1.6 KiB
PHP
56 lines
1.6 KiB
PHP
<?php
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class DMSDocumentTaxonomyExtension extends DataExtension
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{
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private static $many_many = array(
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'Tags' => 'TaxonomyTerm'
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);
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/**
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* Push an autocomplete dropdown for the available tags in documents
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*
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* @param FieldList $fields
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*/
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public function updateCMSFields(FieldList $fields)
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{
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$tags = $this->getAllTagsMap();
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$tagField = ListboxField::create('Tags', _t('DMSDocumentTaxonomyExtension.TAGS', 'Tags'))
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->setMultiple(true)
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->setSource($tags);
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if (empty($tags)) {
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$tagField->setAttribute('data-placeholder', _t('DMSDocumentTaxonomyExtension.NOTAGS', 'No tags found'));
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}
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$fields->insertAfter('Description', $tagField);
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}
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/**
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* Return an array of all the available tags that a document can use. Will return a list containing a taxonomy
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* term's entire hierarchy, e.g. "Photo > Attribute > Density > High"
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*
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* @return array
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*/
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public function getAllTagsMap()
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{
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$tags = TaxonomyTerm::get()->filter(
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'Type.Name:ExactMatch',
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Config::inst()->get('DMSTaxonomyTypeExtension', 'default_record_name')
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);
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$map = array();
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foreach ($tags as $tag) {
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$nameParts = array($tag->Name);
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$currentTag = $tag;
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while ($currentTag->Parent() && $currentTag->Parent()->exists()) {
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array_unshift($nameParts, $currentTag->Parent()->Name);
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$currentTag = $currentTag->Parent();
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}
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$map[$tag->ID] = implode(' > ', $nameParts);
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}
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return $map;
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}
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}
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