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<?php
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/**
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* @file
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* Definition of views_handler_field_file.
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*/
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/**
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* Field handler to provide simple renderer that allows linking to a file.
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*
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* @ingroup views_field_handlers
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*/
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class views_handler_field_file extends views_handler_field {
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/**
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* Constructor to provide additional field to add.
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*/
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public function init(&$view, &$options) {
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parent::init($view, $options);
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if (!empty($options['link_to_file'])) {
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$this->additional_fields['uri'] = 'uri';
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function option_definition() {
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$options = parent::option_definition();
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$options['link_to_file'] = array('default' => FALSE, 'bool' => TRUE);
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return $options;
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}
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/**
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* Provide link to file option.
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*/
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public function options_form(&$form, &$form_state) {
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$form['link_to_file'] = array(
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'#title' => t('Link this field to download the file'),
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'#description' => t("Enable to override this field's links."),
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'#type' => 'checkbox',
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'#default_value' => !empty($this->options['link_to_file']),
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);
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parent::options_form($form, $form_state);
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}
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/**
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* Render whatever the data is as a link to the file.
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*
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* Data should be made XSS safe prior to calling this function.
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*/
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public function render_link($data, $values) {
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if (!empty($this->options['link_to_file']) && $data !== NULL && $data !== '') {
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$this->options['alter']['make_link'] = TRUE;
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$this->options['alter']['path'] = file_create_url($this->get_value($values, 'uri'));
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}
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return $data;
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}
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/**
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* {@inheritdoc}
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*/
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public function render($values) {
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$value = $this->get_value($values);
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return $this->render_link($this->sanitize_value($value), $values);
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}
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}
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