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<?php
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/**
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* @file
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* Theming functions for the flexslider module.
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*
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* Preprocessor functions fill variables for templates and helper
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* functions to make theming easier.
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*/
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/**
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* Default theme implementation for flexslider_list
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*/
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function theme_flexslider_list(&$vars) {
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// Reference configuration variables
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$optionset = &$vars['settings']['optionset'];
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$items = &$vars['items'];
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$attributes = &$vars['settings']['attributes'];
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$type = &$vars['settings']['type'];
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$output = '';
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// Build the list
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if (!empty($items)) {
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$output .= "<$type" . drupal_attributes($attributes) . '>';
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foreach ($items as $i => $item) {
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$caption = '';
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if (!empty($item['caption'])) {
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$caption = $item['caption'];
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}
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$output .= theme('flexslider_list_item', array(
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'item' => $item['slide'],
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'settings' => array(
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'optionset' => $optionset,
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),
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'caption' => $caption,
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));
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}
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$output .= "</$type>";
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}
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return $output;
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}
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/**
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* Default theme implementation for flexslider_list_item
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*/
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function theme_flexslider_list_item(&$vars) {
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return '<li' . drupal_attributes($vars['settings']['attributes']) . '>' . $vars['item'] . $vars['caption'] . "</li>\n";
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}
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/**
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* Template preprocess handler for 'flexslider' theme.
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*/
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function template_process_flexslider(&$vars) {
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// Reference configuration variables
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$optionset = &$vars['settings']['optionset'];
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$settings = &$vars['settings'];
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$items = &$vars['items'];
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// Set the default container type
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if (empty($settings['type'])) {
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$settings['type'] = 'ul';
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}
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// Load the selected optionset
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if (!empty($optionset)) {
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$optionset = flexslider_optionset_load($optionset);
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}
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// Check if an optionset was loaded
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if (empty($optionset)) {
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// Fall back to 'default' option set
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$optionset = flexslider_optionset_load('default');
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watchdog('flexslider', 'Fallback to default optionset.', array(), WATCHDOG_WARNING);
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}
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// Configure attributes for containing elements
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$attributes = array();
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// Merge with defined attributes
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if (isset($settings['attributes']) and is_array($settings['attributes'])) {
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$attributes += $settings['attributes'];
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}
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// Set the ID for each flexslider instance if none is provided
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if (empty($attributes['id'])) {
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$flexslider_id = &drupal_static('flexslider_id', 0);
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$attributes['id'] = 'flexslider-' . ++$flexslider_id;
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}
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// Add the namespace to any classes
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// @todo figure out what this is supposed to do
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if (!empty($attributes['class']) && !empty($optionset->options['namespace'])) {
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foreach ($attributes['class'] as $key => $value) {
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$attributes['class'][$key] = $optionset->options['namespace'] . $value;
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}
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}
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// Add the flexslider class to be namespaced
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$attributes['class'][] = 'flexslider';
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// Add the attributes to the settings array.
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$settings['attributes'] = $attributes;
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// Finally, add the configuration to the page
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flexslider_add($vars['settings']['attributes']['id'], $vars['settings']['optionset']);
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}
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/**
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* Process function for flexslider_list_item
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*/
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function template_process_flexslider_list(&$vars) {
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// Reset the list of attributes
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$vars['settings']['attributes'] = array(
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// @todo find a way to detect the outter container class if possible
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'class' => array('slides'),
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);
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}
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/**
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* Process function for flexslider_list_item
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*/
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function template_process_flexslider_list_item(&$vars) {
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// Reset the list of attributes
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$vars['settings']['attributes'] = array();
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// Reference configuration variables
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$item = &$vars['item'];
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$settings = &$vars['settings'];
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$caption = &$vars['caption'];
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$attributes = &$vars['settings']['attributes'];
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// Generated thumbnail support
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if (isset($settings['optionset']->options['controlNav']) and $settings['optionset']->options['controlNav'] === "thumbnails") {
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// If the thumbnails are enabled in the option set, scan for the first img
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// tag and extract the src attribute to set as the thumbnail data
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$src = array();
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preg_match("<img.+?src=[\"'](.+?)[\"'].+?>", $item, $src);
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if (!empty($src[1])) {
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$attributes['data-thumb'] = $src[1];
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}
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}
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if (isset($settings['optionset']->options['thumbCaptions']) and $settings['optionset']->options['thumbCaptions'] and !empty($caption)) {
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$attributes['data-thumbcaption'] = $caption;
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// Prevent captions from appearing in the slider as well
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if (isset($settings['optionset']->options['thumbCaptionsBoth']) and FALSE === $settings['optionset']->options['thumbCaptionsBoth']) {
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$caption = '';
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}
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}
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if (!empty($caption)) {
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$caption = '<div class="flex-caption">' . $caption . '</div>';
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}
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}
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