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<?php
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/**
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* @file
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* alter.inc
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*
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* Contains various implementations of hook_*_alter().
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*/
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/**
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* Implements hook_css_alter().
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*/
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function bootstrap_css_alter(&$css) {
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$theme_path = drupal_get_path('theme', 'bootstrap');
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// Exclude specified CSS files from theme.
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$excludes = bootstrap_get_theme_info(NULL, 'exclude][css');
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// Add Bootstrap CDN file and overrides.
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$bootstrap_cdn = theme_get_setting('bootstrap_cdn');
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if ($bootstrap_cdn) {
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// Add CDN.
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if (theme_get_setting('bootstrap_bootswatch')) {
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$cdn = '//netdna.bootstrapcdn.com/bootswatch/' . $bootstrap_cdn . '/' . theme_get_setting('bootstrap_bootswatch') . '/bootstrap.min.css';
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}
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else {
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$cdn = '//netdna.bootstrapcdn.com/bootstrap/' . $bootstrap_cdn . '/css/bootstrap.min.css';
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}
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$css[$cdn] = array(
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'data' => $cdn,
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'type' => 'external',
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'every_page' => TRUE,
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'media' => 'all',
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'preprocess' => FALSE,
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'group' => CSS_THEME,
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'browsers' => array('IE' => TRUE, '!IE' => TRUE),
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'weight' => -2,
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);
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// Add overrides.
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$override = $theme_path . '/css/overrides.css';
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$css[$override] = array(
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'data' => $override,
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'type' => 'file',
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'every_page' => TRUE,
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'media' => 'all',
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'preprocess' => TRUE,
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'group' => CSS_THEME,
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'browsers' => array('IE' => TRUE, '!IE' => TRUE),
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'weight' => -1,
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);
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}
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if (!empty($excludes)) {
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$css = array_diff_key($css, drupal_map_assoc($excludes));
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}
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}
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/**
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* Implements hook_element_info_alter().
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*/
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function bootstrap_element_info_alter(&$elements) {
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foreach ($elements as &$element) {
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// Process all elements.
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$element['#process'][] = '_bootstrap_process_element';
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// Process input elements.
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if (!empty($element['#input'])) {
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$element['#process'][] = '_bootstrap_process_input';
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}
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// Process core's fieldset element.
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if (!empty($element['#type']) && $element['#type'] === 'fieldset') {
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$element['#theme_wrappers'] = array('bootstrap_panel');
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}
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if (!empty($element['#theme']) && $element['#theme'] === 'fieldset') {
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$element['#theme'] = 'bootstrap_panel';
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}
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// Replace #process function.
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if (!empty($element['#process']) && ($key = array_search('form_process_fieldset', $element['#process'])) !== FALSE) {
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$element['#process'][$key] = '_bootstrap_process_fieldset';
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}
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// Replace #pre_render function.
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if (!empty($element['#pre_render']) && ($key = array_search('form_pre_render_fieldset', $element['#pre_render'])) !== FALSE) {
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$element['#pre_render'][$key] = '_bootstrap_pre_render_fieldset';
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}
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// Replace #theme_wrappers function.
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if (!empty($element['#theme_wrappers']) && ($key = array_search('fieldset', $element['#theme_wrappers'])) !== FALSE) {
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$element['#theme_wrappers'][$key] = 'bootstrap_panel';
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}
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}
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}
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/**
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* Implements hook_form_alter().
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*/
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function bootstrap_form_alter(array &$form, array &$form_state = array(), $form_id = NULL) {
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if ($form_id) {
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// IDs of forms that should be ignored. Make this configurable?
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// @todo is this still needed?
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$form_ids = array(
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'node_form',
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'system_site_information_settings',
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'user_profile_form',
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'node_delete_confirm',
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);
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// Only wrap in container for certain form.
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if (!in_array($form_id, $form_ids) && !isset($form['#node_edit_form']) && isset($form['actions']) && isset($form['actions']['#type']) && ($form['actions']['#type'] == 'actions')) {
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$form['actions']['#theme_wrappers'] = array();
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}
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switch ($form_id) {
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case 'system_theme_settings':
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// Include the settings form here.
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bootstrap_include('bootstrap', 'theme/settings.inc');
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_bootstrap_settings_form($form, $form_state);
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break;
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case 'search_form':
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// Add a clearfix class so the results don't overflow onto the form.
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$form['#attributes']['class'][] = 'clearfix';
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// Remove container-inline from the container classes.
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$form['basic']['#attributes']['class'] = array();
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// Hide the default button from display.
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$form['basic']['submit']['#attributes']['class'][] = 'element-invisible';
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// Implement a theme wrapper to add a submit button containing a search
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// icon directly after the input element.
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$form['basic']['keys']['#theme_wrappers'] = array('bootstrap_search_form_wrapper');
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$form['basic']['keys']['#title'] = '';
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$form['basic']['keys']['#attributes']['placeholder'] = t('Search');
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break;
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case 'search_block_form':
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$form['#attributes']['class'][] = 'form-search';
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$form['search_block_form']['#title'] = '';
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$form['search_block_form']['#attributes']['placeholder'] = t('Search');
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// Hide the default button from display and implement a theme wrapper
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// to add a submit button containing a search icon directly after the
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// input element.
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$form['actions']['submit']['#attributes']['class'][] = 'element-invisible';
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$form['search_block_form']['#theme_wrappers'] = array('bootstrap_search_form_wrapper');
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// Apply a clearfix so the results don't overflow onto the form.
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$form['#attributes']['class'][] = 'content-search';
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break;
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}
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}
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}
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/**
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* Implements hook_js_alter().
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*/
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function bootstrap_js_alter(&$js) {
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// Exclude specified JavaScript files from theme.
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$excludes = bootstrap_get_theme_info(NULL, 'exclude][js');
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$theme_path = drupal_get_path('theme', 'bootstrap');
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// Add or replace JavaScript files when matching paths are detected.
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// Replacement files must begin with '_', like '_node.js'.
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$files = file_scan_directory($theme_path . '/js', '/\.js$/');
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foreach ($files as $file) {
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$path = str_replace($theme_path . '/js/', '', $file->uri);
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// Detect if this is a replacement file.
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$replace = FALSE;
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if (preg_match('/^[_]/', $file->filename)) {
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$replace = TRUE;
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$path = dirname($path) . '/' . preg_replace('/^[_]/', '', $file->filename);
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}
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$matches = array();
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if (preg_match('/^modules\/([^\/]*)/', $path, $matches)) {
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if (!module_exists($matches[1])) {
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continue;
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}
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else {
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$path = str_replace('modules/' . $matches[1], drupal_get_path('module', $matches[1]), $path);
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}
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}
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// Path should always exist to either add or replace JavaScript file.
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if (!empty($js[$path])) {
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// Replace file.
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if ($replace) {
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$js[$file->uri] = $js[$path];
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$js[$file->uri]['data'] = $file->uri;
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unset($js[$path]);
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}
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// Add file.
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else {
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$js[$file->uri] = drupal_js_defaults($file->uri);
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$js[$file->uri]['group'] = JS_THEME;
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}
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}
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}
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// Always add bootstrap.js last.
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$bootstrap = $theme_path . '/js/bootstrap.js';
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$js[$bootstrap] = drupal_js_defaults($bootstrap);
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$js[$bootstrap]['group'] = JS_THEME;
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$js[$bootstrap]['scope'] = 'footer';
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if (!empty($excludes)) {
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$js = array_diff_key($js, drupal_map_assoc($excludes));
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}
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// Add Bootstrap settings.
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$js['settings']['data'][]['bootstrap'] = array(
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'anchorsFix' => theme_get_setting('bootstrap_anchors_fix'),
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'anchorsSmoothScrolling' => theme_get_setting('bootstrap_anchors_smooth_scrolling'),
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'popoverEnabled' => theme_get_setting('bootstrap_popover_enabled'),
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'popoverOptions' => array(
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'animation' => (int) theme_get_setting('bootstrap_popover_animation'),
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'html' => (int) theme_get_setting('bootstrap_popover_html'),
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'placement' => theme_get_setting('bootstrap_popover_placement'),
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'selector' => theme_get_setting('bootstrap_popover_selector'),
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'trigger' => implode(' ', array_filter(array_values((array) theme_get_setting('bootstrap_popover_trigger')))),
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'title' => theme_get_setting('bootstrap_popover_title'),
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'content' => theme_get_setting('bootstrap_popover_content'),
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'delay' => (int) theme_get_setting('bootstrap_popover_delay'),
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'container' => theme_get_setting('bootstrap_popover_container'),
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),
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'tooltipEnabled' => theme_get_setting('bootstrap_tooltip_enabled'),
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'tooltipOptions' => array(
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'animation' => (int) theme_get_setting('bootstrap_tooltip_animation'),
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'html' => (int) theme_get_setting('bootstrap_tooltip_html'),
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'placement' => theme_get_setting('bootstrap_tooltip_placement'),
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'selector' => theme_get_setting('bootstrap_tooltip_selector'),
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'trigger' => implode(' ', array_filter(array_values((array) theme_get_setting('bootstrap_tooltip_trigger')))),
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'delay' => (int) theme_get_setting('bootstrap_tooltip_delay'),
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'container' => theme_get_setting('bootstrap_tooltip_container'),
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),
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);
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// Add CDN.
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if (theme_get_setting('bootstrap_cdn')) {
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$cdn = '//netdna.bootstrapcdn.com/bootstrap/' . theme_get_setting('bootstrap_cdn') . '/js/bootstrap.min.js';
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$js[$cdn] = drupal_js_defaults();
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$js[$cdn]['data'] = $cdn;
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$js[$cdn]['type'] = 'external';
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$js[$cdn]['every_page'] = TRUE;
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$js[$cdn]['weight'] = -100;
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}
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}
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/**
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* Include #pre_render callbacks for elements.
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*/
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bootstrap_include('bootstrap', 'theme/pre-render.inc');
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/**
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* Include #process callbacks for elements.
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*/
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bootstrap_include('bootstrap', 'theme/process.inc');
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