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<?php
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/**
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* @file
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* Truncate text to a specified length.
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*/
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$plugin = array(
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'form' => 'feeds_tamper_truncate_text_form',
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'callback' => 'feeds_tamper_truncate_text_callback',
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'validate' => 'feeds_tamper_truncate_text_validate',
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'name' => 'Truncate',
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'multi' => 'loop',
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'category' => 'Text',
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);
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function feeds_tamper_truncate_text_form($importer, $element_key, $settings) {
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$form = array();
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$form['num_char'] = array(
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'#type' => 'textfield',
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'#title' => t('Number of characters'),
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'#default_value' => isset($settings['num_char']) ? $settings['num_char'] : '',
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'#description' => t('The number of characters the text will be limited to.'),
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);
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$form['ellipses'] = array(
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'#type' => 'checkbox',
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'#title' => t('Ellipses'),
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'#default_value' => isset($settings['ellipses']) ? $settings['ellipses'] : FALSE,
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'#description' => t('Add ellipses (...) to the end of the truncated text.'),
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);
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$form['wordsafe'] = array(
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'#type' => 'checkbox',
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'#title' => t('Truncate on a word boundary'),
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'#default_value' => isset($settings['wordsafe']) ? $settings['wordsafe'] : FALSE,
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'#description' => t('Attempt to truncate on a word boundary.'),
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);
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return $form;
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}
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function feeds_tamper_truncate_text_validate($settings) {
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$settings['num_char'] = trim($settings['num_char']);
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if (!is_int($settings['num_char']) && ($settings['num_char'] !== (string) (int) $settings['num_char'])) {
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form_set_error('settings][num_char', t('Needs to be an integer.'));
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}
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}
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function feeds_tamper_truncate_text_callback($result, $item_key, $element_key, &$field, $settings, $source) {
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if (!empty($settings['wordsafe'])) {
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$field = truncate_utf8($field, $settings['num_char'], $settings['wordsafe'], $settings['ellipses']);
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}
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else {
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$field = truncate_utf8($field, $settings['num_char'], FALSE, $settings['ellipses']);
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}
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}
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