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<?php
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// $Id$
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//////////////////////////////////////////////////////////////////////////////
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// Exhibit API functions
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function exhibit_admin_feed_types() {
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return array(
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'application/json' => t('Exhibit JSON'),
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'application/rdf+xml' => t('RDF/XML'),
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'application/n3' => t('N3'),
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'application/vnd.ms-excel' => t('Excel'),
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'text/plain' => t('Tab-separated values'),
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'application/x-bibtex' => t('Bibtex'),
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'application/vnd.google-spreadsheet' => t('Google Spreadsheet'),
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'application/RDFa' => t('RDFa'),
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);
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}
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//////////////////////////////////////////////////////////////////////////////
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// Exhibit settings
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/**
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* Form builder: displays the module configuration screen.
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*
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* @ingroup forms
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* @see system_settings_form()
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*/
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function exhibit_admin_settings() {
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$form = array();
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// Exhibit API
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$form['api'] = array('#type' => 'fieldset', '#title' => t('Exhibit API'), '#collapsible' => TRUE, '#collapsed' => FALSE);
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$form['api']['exhibit_js_url'] = array('#type' => 'textfield', '#title' => t('Exhibit JS API'), '#default_value' => EXHIBIT_JS_URL, '#description' => t('Specify the location from where the Exhibit 2.0 JavaScript <acronym title="Application Programming Interface">API</acronym> will be loaded. By default, it is loaded directly from <a href="http://simile.mit.edu/" target="_blank">SIMILE\'s</a> servers, ensuring the use of the very latest version. However, should you require it, there are instructions available on how to <a href="http://simile.mit.edu/wiki/Exhibit/2.0/Running_Exhibit_Yourself" target="_blank">run Exhibit locally</a>.'));
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// View settings
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$form['extensions'] = array('#type' => 'fieldset', '#title' => t('Exhibit extensions'), '#collapsible' => TRUE, '#collapsed' => TRUE, '#description' => 'Select the Exhibit extensions you wish to enable below. You can also specify an alternate API location for each extension.');
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foreach (exhibit_exhibit_views() as $id => $view) {
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if (isset($view->href)) {
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$form['extensions']['exhibit_extensions_'. $id] = array('#type' => 'checkbox', '#title' => $view['title'], '#default_value' => variable_get('exhibit_extensions_'. $id, FALSE), '#description' => t(''));
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$form['extensions']['exhibit_extensions_'. $id .'_api'] = array('#type' => 'textfield', '#title' => t($view['title'] . ' API'), '#default_value' => variable_get('exhibit_extensions_'. $id .'_api', constant('EXHIBIT_'. strtoupper($id) .'_JS_URL')));
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if ($id == 'map') {
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$form['extensions']['exhibit_gmap_key'] = array('#type' => 'textfield', '#title' => t('Google Maps API key'), '#default_value' => variable_get('exhibit_gmap_key', ''), '#description' => t('If you have the <a href="http://drupal.org/project/gmap">GMap</a> and/or <a href="http://drupal.org/project/keys">Keys API</a> modules installed and configured, you can leave this blank as Exhibit will pull the Google Maps API key used from <a href="/admin/settings/gmap">that configuration</a>.'));
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}
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}
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}
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return system_settings_form($form);
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}
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//////////////////////////////////////////////////////////////////////////////
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// Exhibit feed administration
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/**
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* Menu callback: displays the data feeds management page.
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*/
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function exhibit_admin_feeds() {
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$head = array(t('Title'), t('Type'), t('URL'), array('data' => t('Operations'), 'colspan' => 2));
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$rows = array();
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$types = exhibit_admin_feed_types();
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foreach (exhibit_get_feeds() as $feed) {
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$url_parts = (exhibit_is_link_internal($feed->url) ? parse_url($feed->url) : NULL);
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$rows[] = array(
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is_numeric($feed->fid) ? check_plain($feed->title) : $feed->title,
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check_plain(isset($types[$feed->type]) ? $types[$feed->type] : $feed->type),
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(!is_null($url_parts) ?
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l(truncate_utf8($feed->url, 56, TRUE, TRUE), $url_parts['path'], array('query' => $url_parts['query'])) :
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l(truncate_utf8($feed->url, 56, TRUE, TRUE), $feed->url)),
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is_numeric($feed->fid) ? l(t('edit'), 'admin/content/exhibit/edit/' . $feed->fid) : '',
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is_numeric($feed->fid) ? l(t('delete'), 'admin/content/exhibit/delete/' . $feed->fid) : '',
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);
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}
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if (empty($rows)) {
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$rows[] = array(array('data' => t('No data feeds defined.'), 'colspan' => '5'));
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}
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return theme('table', $head, $rows);
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}
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/**
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* Form builder: generates a form for adding/editing data feeds.
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*
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* @ingroup forms
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* @see exhibit_admin_feed_form_validate()
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* @see exhibit_admin_feed_form_submit()
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*/
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function exhibit_admin_feed_form(&$form_state, $edit = array('title' => '', 'type' => 'application/json', 'url' => '')) {
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$form = array();
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$form['fid'] = array('#type' => 'hidden', '#value' => !empty($edit['fid']) ? $edit['fid'] : '');
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$form['module'] = array('#type' => 'hidden', '#value' => '');
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$form['title'] = array('#type' => 'textfield', '#title' => t('Title'), '#default_value' => $edit['title'], '#maxlength' => 64, '#description' => t('The human-readable name of this data feed. This text will be displayed as part of the list on the data feed management page. This name must begin with a capital letter and contain only letters, numbers, and spaces. This name must be unique.'), '#required' => TRUE);
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$form['url'] = array('#type' => 'textfield', '#title' => t('URL'), '#default_value' => $edit['url'], '#maxlength' => 255, '#description' => t('The URL of this data feed, given either as a relative internal path or a full absolute URL.'), '#required' => TRUE);
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$form['type'] = array('#type' => 'select', '#title' => t('Type'), '#default_value' => $edit['type'], '#options' => exhibit_admin_feed_types(), '#description' => t('The content type of this data feed. Only the JSON content type is natively supported; any other content types will be automatically converted when loaded.'), '#required' => TRUE);
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$form['submit'] = array('#type' => 'submit', '#value' => empty($edit['fid']) ? t('Create new feed') : t('Update feed settings'));
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return $form;
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}
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function exhibit_admin_feed_form_validate($form, &$form_state) {
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extract($form_state['values'], EXTR_SKIP | EXTR_REFS);
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if (!valid_url($url, FALSE) && !valid_url($url, TRUE)) {
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form_set_error('url', t('%url is not a valid URL.', array('%url' => $url)));
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}
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// TODO: check for duplicate titles and URLs.
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}
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function exhibit_admin_feed_form_submit($form, &$form_state) {
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extract($form_state['values'], EXTR_SKIP | EXTR_REFS);
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if (empty($fid)) {
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db_query("INSERT INTO {exhibit_feeds} (fid, module, title, type, url) VALUES (NULL, '%s', '%s', '%s', '%s')", $module, $title, $type, $url);
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watchdog('exhibit', 'Data feed %title created.', array('%title' => $title), WATCHDOG_NOTICE, l(t('view'), 'admin/content/exhibit'));
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drupal_set_message(t('The data feed %title has been created.', array('%title' => $title)));
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}
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else {
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db_query("UPDATE {exhibit_feeds} SET title = '%s', type = '%s', url = '%s' WHERE fid = %d", $title, $type, $url, $fid);
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watchdog('exhibit', 'Data feed %title updated.', array('%title' => $title), WATCHDOG_NOTICE, l(t('view'), 'admin/content/exhibit'));
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drupal_set_message(t('The data feed %title has been updated.', array('%title' => $title)));
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}
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$form_state['redirect'] = 'admin/content/exhibit';
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}
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function exhibit_admin_feed_delete($form_state, $feed) {
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$form['fid'] = array('#type' => 'value', '#value' => $feed['fid']);
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$form['title'] = array('#type' => 'value', '#value' => $feed['title']);
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return confirm_form($form,
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t('Are you sure you want to delete the data feed %title?', array('%title' => $feed['title'])),
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isset($_GET['destination']) ? $_GET['destination'] : 'admin/content/exhibit',
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t('This action cannot be undone.'));
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}
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function exhibit_admin_feed_delete_submit($form, &$form_state) {
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extract($form_state['values'], EXTR_SKIP | EXTR_REFS);
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if ($form_state['values']['confirm']) {
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db_query("DELETE FROM {exhibit_feeds} WHERE fid = %d", $fid);
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watchdog('exhibit', 'Data feed %title deleted.', array('%title' => $title));
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drupal_set_message(t('The data feed %title has been deleted.', array('%title' => $title)));
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}
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$form_state['redirect'] = 'admin/content/exhibit';
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}
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