114 lines
3.5 KiB
PHP
114 lines
3.5 KiB
PHP
<?php
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/**
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* @file
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* Provide diff field functions for the Text module.
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*/
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/**
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* Diff field callback for parsing text field comparative values.
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*/
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function text_field_diff_view($items, $context) {
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$field = $context['field'];
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$instance = $context['instance'];
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$settings = $context['settings'];
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$diff_items = array();
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foreach ($items as $delta => $item) {
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$diff_items[$delta] = array();
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// Compute the format for appending to the label.
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$format_text = '';
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if ($instance['settings']['text_processing'] && $settings['compare_format']) {
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$format_id = empty($item['format']) ? filter_fallback_format() : $item['format'];
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if ($format = filter_format_load($format_id)) {
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$format_text = $format->name;
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}
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else {
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$format_text = t('Missing format !format', array('!format' => $format_id));
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}
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}
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// Compare the summary fields.
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$summary = $field['type'] == 'text_with_summary' && $settings['compare_summary'];
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if ($summary) {
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// Allow users to optionally clean system specific characters.
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if (empty($item['summary'])) {
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$diff_items[$delta][] = t('Summary field is empty.');
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}
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else {
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if ($format_text) {
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$diff_items[$delta][] = t('Summary (!text_format):', array('!text_format' => $format_text));
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}
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else {
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$diff_items[$delta][] = t('Summary:');
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}
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$diff_items[$delta][] = diff_normalise_text($item['summary']);
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}
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}
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// Only show label if field has summary displayed.
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if ($summary) {
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if ($format_text) {
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$diff_items[$delta][] = t('Content (!text_format):', array('!text_format' => $format_text));
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}
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else {
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$diff_items[$delta][] = t('Content:');
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}
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}
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// Allow users to optionally clean system specific characters.
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$diff_items[$delta][] = diff_normalise_text($item['value']);
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// If no summary, append the format selection to the bottom of the screen.
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// This prevents adding the "Content (format)" label.
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if ($format_text && !$summary) {
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$diff_items[$delta][] = t('Text format: !text_format', array('!text_format' => $format_text));
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}
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$diff_items[$delta] = $diff_items[$delta];
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}
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return $diff_items;
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}
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/**
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* Provide default field comparison options.
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*/
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function text_field_diff_default_options($field_type) {
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// Overrides the global 'markdown' setting which does not escape HTML.
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$settings = array(
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'compare_format' => 0,
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'markdown' => 'drupal_html_to_text',
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'line_counter' => '',
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);
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if ($field_type == 'text_with_summary') {
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$settings += array(
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'compare_summary' => 0,
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);
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}
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return $settings;
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}
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/**
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* Provide a form for setting the field comparison options.
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*/
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function text_field_diff_options_form($field_type, $settings) {
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$options_form = array();
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$options_form['compare_format'] = array(
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'#type' => 'checkbox',
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'#title' => t('Compare format'),
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'#default_value' => $settings['compare_format'],
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'#description' => t('This is only used if the "Text processing" instance settings are set to <em>Filtered text (user selects text format)</em>.'),
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);
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if ($field_type == 'text_with_summary') {
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$options_form['compare_summary'] = array(
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'#type' => 'checkbox',
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'#title' => t('Compare summary separately'),
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'#default_value' => $settings['compare_summary'],
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'#description' => t('This is only used if the "Summary input" option is checked in the instance settings.'),
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);
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}
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return $options_form;
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}
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