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<?php
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/**
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* @file
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* Administrative page callbacks for the External Links module.
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*/
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/**
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* Page callback: Form constructor for a form to list and reorder external link templates.
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*
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* @ingroup forms
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* @see ext_links_menu()
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* @see ext_links_admin_overview_submit()
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*/
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function ext_links_admin_overview($form) {
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$link_templates = ext_links_templates();
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$form['#tree'] = TRUE;
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foreach ($link_templates as $id => $link_template) {
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$form['link_templates'][$id]['title'] = array('#markup' => check_plain($link_template->title));
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$form['link_templates'][$id]['link'] = array('#markup' => check_plain($link_template->link));
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$form['link_templates'][$id]['category'] = array('#markup' => check_plain($link_template->category));
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$form['link_templates'][$id]['configure'] = array('#type' => 'link', '#title' => t('configure'), '#href' => 'admin/config/cdm_dataportal/ext_links/' . $link_template->id);
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$form['link_templates'][$id]['status'] = array('#type' => 'link',
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'#title' => $link_template->status == 1 ? t('disable') : t('enable'),
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'#href' => 'admin/config/cdm_dataportal/ext_links/' . $link_template->id . '/status/' . ($link_template->status == 1 ? '0' : '1'));
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$form['link_templates'][$id]['weight'] = array(
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'#type' => 'weight',
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'#title' => t('Weight for @title', array('@title' => $link_template->id)),
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'#title_display' => 'invisible',
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'#default_value' => $link_template->weight,
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'#delta' => 100
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);
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$form['link_templates'][$id]['#attributes']['class'] = [];
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if($link_template->status != 1){
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$form['link_templates'][$id]['#attributes']['class'][] = 'disabled';
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}
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}
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$form['actions'] = array('#type' => 'actions');
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$form['actions']['submit'] = array('#type' => 'submit', '#value' => t('Save changes'));
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return $form;
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}
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/**
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* Form submission handler for ext_links_admin_overview().
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*/
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function ext_links_admin_overview_submit($form, &$form_state) {
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foreach ($form_state['values']['link_templates'] as $id => $data) {
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if (is_array($data) && isset($data['weight'])) {
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// Only update if this is a form element with weight.
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db_update('ext_links')
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->fields(array('weight' => $data['weight']))
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->condition('id', $id)
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->execute();
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}
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}
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filter_formats_reset();
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drupal_set_message(t('The text format ordering has been saved.'));
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}
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/**
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* Page callback: Displays external link template add/edit form.
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*
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* @param object|null $link_template
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* (optional) An object representing an external link template, with the following properties:
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* - title: The link title
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* - link: The link url template.
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* - status: (optional) An integer indicating whether the ext link is
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* enabled (1) or not (0). Defaults to 1.
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* - weight: (optional) The weight of the external link, which controls its
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* placement in external link block. If omitted, the weight is set to 0.
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* Defaults to NULL.
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*
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* @return array
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* A form array.
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*
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* @see filter_menu()
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*/
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function ext_links_admin_link_template_page($link_template = NULL) {
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if (!isset($link_template->id)) {
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drupal_set_title(t('Add external link'));
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$link_template = (object) array(
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'title' => NULL,
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'link' => 'https://',
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'weight' => 0,
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'status' => 1
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);
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}
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return drupal_get_form('ext_links_admin_link_template_form', $link_template);
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}
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function ext_links_admin_appearance_page(){
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drupal_set_title(t('Configure the appearance of external links'));
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$form['ext_links_options'] = array(
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'#type' => 'fieldset',
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'#title' => t('External links appearance options'),
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'#collapsible' => FALSE,
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'#collapsed' => FALSE
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);
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$form['ext_links_options']['ext_links_appearance_grouped'] = [
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'#type' => 'checkbox',
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'#title' => t('Show external links grouped by category with headings.'),
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'#default_value' => variable_get('ext_links_appearance_grouped', 1)
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];
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return system_settings_form($form);
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}
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/**
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* Form constructor for the External Link add/edit form.
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*
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* @param $link_template
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* A link template object having the properties:
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* - id: A machine-readable name representing the ID of the external link.
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* If this corresponds to an existing external link, that format will be
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* updated; otherwise, a new external link will be created.
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* - title: The link title
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* - link: The link url template.
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* - status: (optional) An integer indicating whether the ext link is
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* enabled (1) or not (0). Defaults to 1.
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* - weight: (optional) The weight of the external link, which controls its
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* placement in external link block. If omitted, the weight is set to 0.
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* Defaults to NULL.
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*
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* @see ext_links_admin_link_template_form_validate()
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* @see ext_links_admin_link_template_form_submit()
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* @ingroup forms
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*/
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function ext_links_admin_link_template_form($form, &$form_state, $link_template) {
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$form['#link_template'] = $link_template;
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$form['#tree'] = TRUE;
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$form['id'] = array(
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'#type' => 'machine_name',
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'#required' => TRUE,
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'#default_value' => $link_template->id,
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'#maxlength' => 255,
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'#machine_name' => array(
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'exists' => 'ext_links_exists',
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),
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'#disabled' => !empty($link_template->id),
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);
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$form['category'] = array(
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'#type' => 'textfield',
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'#title' => t('Category'),
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'#required' => FALSE,
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'#default_value' => $link_template->category,
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'#autocomplete_path' => 'ext_links/category/autocomplete',
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'#maxlength' => 255,
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);
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$form['title'] = array(
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'#type' => 'textfield',
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'#title' => t('Title'),
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'#default_value' => $link_template->title,
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'#description' => t('The text of the link that will be displayed.'),
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'#required' => TRUE,
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);
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$token_info = cdm_tokens_token_info();
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$cdm_tokens = [];
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foreach(array_keys($token_info['tokens']['cdm']) as $token_key){
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$cdm_tokens[] = '[cdm:' . $token_key . ']';
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}
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$form['link'] = array(
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'#type' => 'textfield',
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'#title' => t('Link'),
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'#description' => t('The URL template for the link to the external resource or service.
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The following <i>cdm tokens</i> can be used here: <ul> !cdm_tokens </ul>',
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['!cdm_tokens' => '<li><code>' . join('</code></li><li><code>', $cdm_tokens) . '</code></li>']
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),
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'#default_value' => $link_template->link,
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'#maxlength' => 500,
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'#required' => TRUE,
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);
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$form['status'] = array(
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'#type' => 'checkbox',
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'#title' => t('Enabled'),
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'#default_value' => $link_template->status
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);
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$form['weight'] = array(
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'#type' => 'weight',
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'#title' => t('Weight'),
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'#default_value' => $link_template->weight,
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'#delta' => 100,
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);
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$form['actions'] = array('#type' => 'actions');
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$form['actions']['submit'] = array('#type' => 'submit', '#value' => t('Save'));
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return $form;
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}
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/**
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* Form submission handler for ext_links_admin_link_template_form().
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*/
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function ext_links_admin_link_template_form_submit($form, &$form_state) {
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// Remove unnecessary values.
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form_state_values_clean($form_state);
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// Add the submitted form values to the text link_template, and save it.
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$link_template = $form['#link_template'];
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foreach ($form_state['values'] as $key => $value) {
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$link_template->$key = $value;
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}
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$status = ext_links_save($link_template);
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switch ($status) {
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case SAVED_NEW:
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drupal_set_message(t('Added external link %link_template.', array('%link_template' => $link_template->id)));
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break;
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case SAVED_UPDATED:
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drupal_set_message(t('The text link_template %link_template has been updated.', array('%link_template' => $link_template->id)));
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break;
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}
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drupal_goto('admin/config/cdm_dataportal/ext_links');
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}
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/**
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* Sets the status of a link_template.
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*
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* Used as page callback in menu items.
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*
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* @param $link_template
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* The link template
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* @param $status
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* The status value to set (values: 1 or 0)
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*/
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function ext_links_admin_link_template_set_status($link_template, $status){
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$link_template->status = $status == 1 ? 1 : 0;
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ext_links_save($link_template);
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drupal_goto("admin/config/cdm_dataportal/ext_links");
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}
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/**
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* Returns HTML for the text format administration overview form.
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*
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* @param $variables
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* An associative array containing:
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* - form: A render element representing the form.
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*
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* @ingroup themeable
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*/
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function theme_ext_links_admin_overview($variables) {
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drupal_add_css(drupal_get_path('module', 'ext_links'). '/ext-links.admin.css');
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$form = $variables['form'];
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$rows = array();
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foreach (element_children($form['link_templates']) as $id) {
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$row_class_attributes = $form['link_templates'][$id]['#attributes']['class'];
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$row_class_attributes[] = 'draggable';
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$form['link_templates'][$id]['weight']['#attributes']['class'] = array('text-format-order-weight');
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$rows[] = array(
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'data' => array(
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drupal_render($form['link_templates'][$id]['title']),
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drupal_render($form['link_templates'][$id]['link']),
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drupal_render($form['link_templates'][$id]['category']),
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drupal_render($form['link_templates'][$id]['weight']),
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drupal_render($form['link_templates'][$id]['configure']),
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drupal_render($form['link_templates'][$id]['status']),
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),
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'class' => $row_class_attributes,
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);
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}
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$header = array(t('Title'), t('Link'), t('Category'), t('Weight'), array('data' => t('Operations'), 'colspan' => 2));
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$output = theme('table', array('header' => $header, 'rows' => $rows, 'attributes' => array('id' => 'link-templates-order')));
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$output .= drupal_render_children($form);
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drupal_add_tabledrag('link-templates-order', 'order', 'sibling', 'text-format-order-weight', null, null, TRUE);
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return $output;
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}
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