2020-09-18 15:12:26 +02:00

202 lines
9.3 KiB
PHP

<?php
/**
* @file
* Scheduler node edit functions.
*
* This file is included only when a node is being edited by a user who has
* permission to schedule nodes, and the node-type is enabled for scheduling.
*/
/**
* Helper function that does all the work for the real hook_form_alter().
*
* @see scheduler_form_alter()
*/
function _scheduler_form_alter(&$form, $form_state) {
$publishing_enabled = variable_get('scheduler_publish_enable_' . $form['type']['#value'], 0) == 1;
$unpublishing_enabled = variable_get('scheduler_unpublish_enable_' . $form['type']['#value'], 0) == 1;
$date_format = variable_get('scheduler_date_format', SCHEDULER_DATE_FORMAT);
$date_only_format = variable_get('scheduler_date_only_format', SCHEDULER_DATE_ONLY_FORMAT);
$time_only_format = variable_get('scheduler_time_only_format', SCHEDULER_TIME_ONLY_FORMAT);
$date_only_allowed = variable_get('scheduler_allow_date_only', FALSE);
$use_date_popup = _scheduler_use_date_popup();
$internal_date_format = $use_date_popup ? SCHEDULER_DATE_FORMAT : $date_format;
$node = $form['#node'];
// If this is a preview then get the values from the form, not the
// database.
if (isset($form_state['values']['op']) && $form_state['values']['op'] == t('Preview')) {
$defaults = new stdClass();
$defaults->publish_on = $publishing_enabled ? $form_state['values']['publish_on'] : NULL;
$defaults->unpublish_on = $unpublishing_enabled ? $form_state['values']['unpublish_on'] : NULL;
}
elseif (isset($node->nid) && $node->nid > 0) {
// Load the values from the database if we are viewing an existing node.
$query = db_select('scheduler', 's');
$query->fields('s', array('publish_on', 'unpublish_on'));
$query->condition('s.nid', $node->nid, '=');
$defaults = $query->execute()->fetchObject();
}
else {
// Initialise standard values.
$defaults = new stdClass();
// Respect presets added by functions like
// scheduler_field_attach_prepare_translation_alter().
$defaults->publish_on = isset($node->publish_on) ? $node->publish_on : NULL;
$defaults->unpublish_on = isset($node->unpublish_on) ? $node->unpublish_on : NULL;
}
// If there is a text value then convert it to a Unix timestamp.
if (isset($defaults->publish_on) && $defaults->publish_on && !is_numeric($defaults->publish_on)) {
$defaults->publish_on = _scheduler_strtotime($defaults->publish_on);
}
if (isset($defaults->unpublish_on) && $defaults->unpublish_on && !is_numeric($defaults->unpublish_on)) {
$defaults->unpublish_on = _scheduler_strtotime($defaults->unpublish_on);
}
// A publish_on date is required if the content type option is set and the
// node is being created or it currently has a scheduled publishing date.
$publishing_required = variable_get('scheduler_publish_required_' . $form['type']['#value'], 0) == 1
&& (empty($node->nid) || ($node->status == 0 && !empty($node->publish_on)));
// An unpublish_on date is required if the content type option is set and
// the node is being created or the current status is published or the
// node is scheduled to be published.
$unpublishing_required = variable_get('scheduler_unpublish_required_' . $form['type']['#value'], 0) == 1
&& (empty($node->nid) || $node->status == 1 || !empty($node->publish_on));
$use_vertical_tabs = variable_get('scheduler_use_vertical_tabs_' . $form['type']['#value'], 1);
$fieldset_extended = (
(isset($defaults->publish_on) && $defaults->publish_on != 0)
|| (isset($defaults->unpublish_on) && $defaults->unpublish_on != 0)
|| $publishing_required
|| $unpublishing_required
|| variable_get('scheduler_expand_fieldset_' . $form['type']['#value'], 0)
);
$form['scheduler_settings'] = array(
'#type' => 'fieldset',
'#title' => t('Scheduling options'),
'#collapsible' => TRUE,
'#collapsed' => !$fieldset_extended,
'#weight' => 35,
);
// Add Scheduler settings to Vertical Tabs group and attach the javascript.
if ($use_vertical_tabs) {
$form['scheduler_settings']['#group'] = 'additional_settings';
$form['scheduler_settings']['#attached']['js'][] = _scheduler_get_vertical_tabs_js();
}
$extra_info = variable_get('scheduler_extra_info', '');
if ($extra_info && $extra_info != '') {
$form['scheduler_settings']['extra_info'] = array(
'#type' => 'item',
'#markup' => filter_xss_admin($extra_info),
);
}
// Define the descriptions depending on whether the time can be skipped.
$descriptions = array();
if ($date_only_allowed && ($date_only_format != $date_format)) {
$descriptions['format'] = t('Format: %date_only_format or %standard_format.', array(
'%date_only_format' => format_date(time(), 'custom', $date_only_format),
'%standard_format' => format_date(time(), 'custom', $date_format),
));
}
else {
$descriptions['format'] = t('Format: %standard_format.', array(
'%standard_format' => format_date(time(), 'custom', $date_format),
));
}
// Show the default time so users know what they will get if they do not
// enter a time.
if ($date_only_allowed) {
$default_time = strtotime(variable_get('scheduler_default_time', SCHEDULER_DEFAULT_TIME));
$descriptions['default'] = t('The default time is @default_time.', array(
'@default_time' => format_date($default_time, 'custom', $time_only_format ? $time_only_format : SCHEDULER_TIME_ONLY_FORMAT),
));
}
if ($publishing_enabled) {
if (!$publishing_required) {
$descriptions['blank'] = t('Leave the date blank for no scheduled publishing.');
}
$form['scheduler_settings']['publish_on'] = array(
'#type' => 'textfield',
'#title' => t('Publish on'),
'#maxlength' => 30,
'#required' => $publishing_required,
'#default_value' => isset($defaults->publish_on) && $defaults->publish_on ? format_date($defaults->publish_on, 'custom', $internal_date_format) : '',
'#description' => filter_xss(implode(' ', $descriptions)),
'#value_callback' => 'scheduler_date_value_callback',
);
if ($use_date_popup) {
// Make this a popup calendar widget.
$form['scheduler_settings']['publish_on']['#type'] = 'date_popup';
$form['scheduler_settings']['publish_on']['#date_format'] = $date_format;
$form['scheduler_settings']['publish_on']['#date_year_range'] = '0:+10';
$form['scheduler_settings']['publish_on']['#date_increment'] = variable_get('scheduler_date_popup_minute_increment', 1);
unset($descriptions['format']);
$form['scheduler_settings']['publish_on']['#description'] = filter_xss(implode(' ', $descriptions));
unset($form['scheduler_settings']['publish_on']['#maxlength']);
}
}
if ($unpublishing_enabled) {
if (!$unpublishing_required) {
$descriptions['blank'] = t('Leave the date blank for no scheduled unpublishing.');
}
else {
unset($descriptions['blank']);
}
$form['scheduler_settings']['unpublish_on'] = array(
'#type' => 'textfield',
'#title' => t('Unpublish on'),
'#maxlength' => 30,
'#required' => $unpublishing_required,
'#default_value' => isset($defaults->unpublish_on) && $defaults->unpublish_on ? format_date($defaults->unpublish_on, 'custom', $internal_date_format) : '',
'#description' => filter_xss(implode(' ', $descriptions)),
'#value_callback' => 'scheduler_date_value_callback',
);
if ($use_date_popup) {
// Make this a popup calendar widget.
$form['scheduler_settings']['unpublish_on']['#type'] = 'date_popup';
$form['scheduler_settings']['unpublish_on']['#date_format'] = $date_format;
$form['scheduler_settings']['unpublish_on']['#date_year_range'] = '0:+10';
$form['scheduler_settings']['unpublish_on']['#date_increment'] = variable_get('scheduler_date_popup_minute_increment', 1);
unset($descriptions['format']);
$form['scheduler_settings']['unpublish_on']['#description'] = filter_xss(implode(' ', $descriptions));
unset($form['scheduler_settings']['unpublish_on']['#maxlength']);
}
}
}
/**
* Callback function for the Scheduler date entry elements.
*/
function scheduler_date_value_callback(&$element, $input, &$form_state) {
// When processing a delete operation the user should not be forced to enter a
// date. Hence set the scheduler date element's #required attribute to FALSE.
// Test the 'triggering_element' value against $form_state['values']['delete']
// as this will match Delete button even if the text is translated.
// @see https://www.drupal.org/node/1614880
if (isset($form_state['triggering_element']['#value']) && isset($form_state['values']['delete']) && $form_state['triggering_element']['#value'] == $form_state['values']['delete']) {
// At some point between October 2013 and August 2017 this code became
// unnecessary. Nodes can now be deleted when 'required' is set and when no
// date is entered, even without setting #required to FALSE here. It may be
// due to a core change between 7.23 and 7.56? Leave this line as-is just
// for safety.
$element['#required'] = FALSE;
}
// If using date popup then process the callback that would have been done had
// Scheduler not replaced this with its own one. If using plain text entry
// then no return value is needed.
if (_scheduler_use_date_popup()) {
return date_popup_element_value_callback($element, $input, $form_state);
}
}