2,
'path' => drupal_get_path('module', 'calendar') .'/includes',
);
}
/**
* @file
* Adds calendar filtering and displays to Views.
*/
/**
* Implementation of hook_help().
*/
function calendar_help($section, $arg) {
switch ($section) {
case 'admin/help#calendar':
return t("
View complete documentation at !link.
", array('!link' => 'http://drupal.org/node/120710'));
}
}
function calendar_init() {
drupal_add_css(drupal_get_path('module', 'calendar') .'/calendar.css');
// The css for Farbtastic color picker, painless to add it here
// even though it isn't needed everywhere.
drupal_add_css('misc/farbtastic/farbtastic.css');
require_once('./'. drupal_get_path('module', 'calendar') .'/theme/theme.inc');
}
function calendar_theme() {
$path = drupal_get_path('module', 'calendar');
require_once "./$path/theme/theme.inc";
$base = array(
'file' => 'theme.inc',
'path' => "$path/theme",
);
return array(
'calendar_day_node' => $base + array(
'template' => 'calendar-day-node',
'arguments' => array('node' => NULL, 'view' => NULL),
),
'calendar_month_node' => $base + array(
'template' => 'calendar-month-node',
'arguments' => array('node' => NULL, 'view' => NULL),
),
'calendar_week_node' => $base + array(
'template' => 'calendar-week-node',
'arguments' => array('node' => NULL, 'view' => NULL),
),
'calendar_month_multiple_node' => $base + array(
'template' => 'calendar-month-multiple-node',
'arguments' => array('curday' => NULL, 'count' => NULL, 'view' => NULL, 'types' => NULL),
),
'calendar_week_multiple_node' => $base + array(
'template' => 'calendar-week-multiple-node',
'arguments' => array('curday' => NULL, 'count' => NULL, 'view' => NULL, 'types' => NULL),
),
'calendar_datebox' => $base + array(
'template' => 'calendar-datebox',
'arguments' => array(
'date' => NULL, 'view' => NULL, 'items' => NULL, 'selected' => NULL),
),
'calendar_title' => $base + array(
'arguments' => array('date_type' => NULL, 'view' => NULL),
),
'calendar_date_combo' => $base + array(
'arguments' => array('node', 'lable', 'view'),
),
'calendar_empty_day' => $base + array(
'arguments' => array('curday', 'view'),
),
'calendar_stripe_legend' => $base + array(
'arguments' => array('stripe_labels'),
),
'calendar_stripe_stripe' => $base + array(
'arguments' => array('node'),
),
'calendar_colorpicker' => $base + array(
'arguments' => array('element'),
),
'calendar_colorfield' => $base + array(
'arguments' => array('element'),
),
'calendar_time_row_heading' => $base + array(
'arguments' => array('start_time', 'next_start_time', 'curday_date'),
),
);
}
/**
* TODO need to identify type of timezone handling needed for each date field
*/
function calendar_offset($field_name) {
$default_offset = variable_get('date_default_timezone', 0);
$configurable_zones = variable_get('configurable_timezones', 1);
}
/**
* A function to test the validity of various date parts
*/
function calendar_part_is_valid($value, $type) {
if ( !preg_match('/^[0-9]*$/', $value) ) {
return false;
}
$value = intval($value);
if ($value <= 0) return false;
switch ($type) {
case 'year':
if ($value < DATE_MIN_YEAR) return false;
break;
case 'month':
if ($value < 0 || $value > 12) return false;
break;
case 'day':
if ($value < 0 || $value > 31) return false;
break;
case 'week':
if ($value < 0 || $value > 53) return false;
}
return true;
}
/**
* implementation of hook_block()
*/
function calendar_block($op = 'list', $delta = 0) {
switch ($op) {
case 'list' :
$blocks[0]['info'] = t('Calendar Legend.');
return $blocks;
break;
case 'view' :
switch ($delta) {
case 0:
$block['subject'] = t('Calendar Legend');
$content = theme('calendar_stripe_legend');
$block['content'] = !empty($content) ? '
'. $content .'
' : '';
return $block;
}
}
}
/**
* Calendar display types
*/
function calendar_display_types() {
return array('year' => t('Year'), 'month' => t('Month'), 'day' => t('Day'), 'week' => t('Week'));
}
/**
* Figure out which type of display to use,
* based on the current argument.
*
* @return year, month, day, or week.
*/
function calendar_current_type($view) {
if (!is_object($view) || !isset($view->argument) || !is_array($view->argument)) {
if (!empty($view->date_info->default_display)) {
return $view->date_info->default_display;
}
return FALSE;
}
$i = 0;
$date_handler = new date_sql_handler();
foreach ($view->argument as $argument) {
if ($argument['id'] == 'date_argument') {
$parts = array_keys($date_handler->arg_parts($view->args[$i]));
break;
}
$i++;
}
return array_pop($parts);
}
/**
* Create a stripe.
*
* @param $node - the node object
* @param $query_name - the views queryname for this date field
* @param $delta - the delta for this field, used to distinguish fields that appear more than once in the calendar
* @param $stripe - the hex code for this stripe.
* @param $label - the label to give this stripe.
*
* TODO Reconsider use of $GLOBALS as a method of triggering the legend, there
* may be a better way.
*/
function calendar_node_stripe($view, &$node, $query_name, $delta, $stripe = NULL, $label = '') {
$colors = isset($view->date_info->calendar_colors) ? $view->date_info->calendar_colors : array();
if (empty($colors)) {
return;
}
$type_names = node_get_types('names');
$type = $node->raw->node_type;
if(!(isset($node->stripe))){
$node->stripe = array();
$node->stripe_label = array();
}
if (!$label && array_key_exists($type, $type_names)) {
$label = $type_names[$type];
}
if (!$stripe) {
if (array_key_exists($type, $colors)) {
$stripe = $colors[$type];
}
else {
$stripe = '';
}
}
$node->stripe[] = $stripe;
$node->stripe_label[] = $label;
$GLOBALS['calendar_stripe_labels'][][$type] = array('stripe' => $stripe, 'label' => $label);
return $stripe;
}
/**
* Create a stripe based on a taxonomy term.
*
* @param $node - the node object
* @param $query_name - the views queryname for this date field
* @param $delta - the delta for this field, used to distinguish fields that appear more than once in the calendar
* @param $stripe - the hex code for this stripe.
* @param $label - the label to give this stripe.
*
* TODO Reconsider use of $GLOBALS as a method of triggering the legend, there
* may be a better way.
*/
function calendar_node_taxonomy_stripe($view, &$node, $query_name, $delta, $stripe = NULL, $label = '') {
$colors_taxonomy = isset($view->date_info->calendar_colors_taxonomy) ? $view->date_info->calendar_colors_taxonomy : array();
if (empty($colors_taxonomy)) {
return;
}
// Rename the vid added by Views to the normal name that
// taxonomy will expect, it's in the raw results.
$node->vid = $node->raw->node_vid;
$terms_for_node = taxonomy_node_get_terms($node);
if(!(isset($node->stripe))){
$node->stripe = array();
$node->stripe_label = array();
}
if (count($terms_for_node)){
foreach($terms_for_node as $term_for_node){
if (!array_key_exists($term_for_node->tid, $colors_taxonomy)) {
continue;
}
$stripe = $colors_taxonomy[$term_for_node->tid];
$stripe_label = $term_for_node->name;
$node->stripe[] = $stripe;
$node->stripe_label[] = $stripe_label;
$GLOBALS['calendar_stripe_labels'][][$term_for_node->tid] = array('stripe' => $stripe, 'label' => $stripe_label);
}
}
else {
$node->stripe[] = '';
$node->stripe_label[] = '';
}
return;
}
/**
* Helper function to figure out a group gid to use in blocks.
*
* @return an array of group nodes that are relevant.
* @todo this may need more work.
*/
function calendar_og_groups($view) {
if (!$groupnode = og_get_group_context()) {
global $user;
$groupnodes = array_keys($user->og_groups);
}
else {
$groupnodes = array($groupnode->nid);
}
return $groupnodes;
}
/**
* A selector to jump to a new date in the calendar.
*
* @param unknown_type $view
* @return unknown
*/
function calendar_date_select($view) {
return '
';
}
/**
* The date selector form.
*
* @param object $view
* @return the form element
*
* @TODO is the title desired here or does it take up too much space??
*/
function calendar_date_select_form(&$form_state, $view) {
$format = date_limit_format(variable_get('date_format_short', 'm/d/Y - H:i'), array('year', 'month', 'day'));
$form['calendar_goto'] = array(
//'#title' => t('Calendar date'),
'#type' => module_exists('date_popup') ? 'date_popup' : 'date_select',
'#default_value' => date_format($view->date_info->min_date, 'Y-m-d'),
'#date_timezone' => date_default_timezone_name(),
'#date_format' => $format,
);
$form['calendar_type'] = array(
'#type' => 'hidden',
'#value' => $view->date_info->calendar_type,
);
$form['view_name'] = array(
'#type' => 'hidden',
'#value' => $view->name,
);
$form['view_url'] = array(
'#type' => 'hidden',
'#value' => $view->get_url(),
);
$pos = calendar_arg_position($view);
$form['calendar_previous_arg'] = array(
'#type' => 'hidden',
'#value' => $view->args[$pos],
);
$form['submit'] = array(
'#type' => 'submit',
'#value' => t('Change date'),
);
return $form;
}
function calendar_arg_position($view) {
$pos = 0;
foreach ($view->argument as $argument) {
if ($argument->definition['handler'] == 'date_api_argument_handler') {
return $pos;
}
$pos++;
}
}
/**
* Get the url for a calendar node.
*
* @param $node - a calendar node object
* @param $default - a default url to use when nothing specific is provided.
*/
function calendar_get_node_link($node, $default = NULL) {
if (isset($node->url)) {
return url($node->url, array('absolute' => TRUE));
}
elseif (empty($node->remote) && is_numeric($node->nid)) {
return url("node/$node->nid", array('absolute' => TRUE));
}
elseif (!empty($default)) {
return url($default, array('absolute' => TRUE));
}
}
/**
* Trim a post to a certain number of characters, removing all HTML.
*/
function calendar_trim_text($text, $length = 128) {
$original_text = $text;
// remove any HTML or line breaks so these don't appear in the text
$text = trim(str_replace(array("\n", "\r"), ' ', strip_tags($text)));
$text = trim(substr($text, 0, $length));
// only truncate if original text is longer than the length we want
if (strlen($original_text) > $length) {
$lastchar = substr($text, -1, 1);
// check to see if the last character in the title is a non-alphanumeric character, except for ? or !
// if it is strip it off so you don't get strange looking titles
if (preg_match('/[^0-9A-Za-z\!\?]/', $lastchar)) {
$text = substr($text, 0, -1);
}
// ? and ! are ok to end a title with since they make sense
if ($lastchar != '!' and $lastchar != '?') {
$text .= '...';
}
}
return $text;
}
function calendar_groupby_times($type = '') {
$times = array();
switch ($type) {
case 'hour':
for ($i = 0; $i <= 23; $i++) {
$times[] = date_pad($i) .':00:00';
}
break;
case 'half':
for ($i = 0; $i <= 23; $i++) {
$times[] = date_pad($i) .':00:00';
$times[] = date_pad($i) .':30:00';
}
break;
default:
break;
}
return $times;
}
/**
* Define some error messages.
*/
function calendar_errors($error) {
switch ($error) {
case 'missing_argument_default':
return t("The Date argument in this view must be set up to provide a default value set to the current date. Edit the argument, find 'Action to take if argument is not present.', choose 'Provide default argument', then select 'Current date'.");
}
}
/**
* Implementation of hook_elements.
*
* Much of the colorpicker code was adapted from the Colorpicker module.
* That module has no stable release yet nor any D6 branch.
*
* TODO Consider dropping the duplicate code and adding a dependency
* when that module is more stable, if calendar module customizations will
* work in it.
*/
function calendar_elements() {
// the Farbtastic colorpicker
$type['calendar_colorpicker'] = array(
'#attributes' => array('class' => 'calendar_colorpicker'),
'#input' => TRUE,
);
// a textfield to associate with the Farbtastic colorpicker
$type['calendar_colorfield'] = array(
'#attributes' => array('class' => 'calendar_colorfield'),
'#input' => TRUE,
'#validate' => array('calendar_validate_hex_color' => array())
);
return $type;
}
/**
* Check to make sure the user has entered a valid 6 digit hex color.
*/
function calendar_validate_hex_color($element) {
if (!$element['#required'] && empty($element['#value'])) {
return;
}
if (!preg_match('/^#(?:(?:[a-f\d]{3}){1,2})$/i', $element['#value'])) {
form_error($element, "'". check_plain($element['#value']) ."'". t(' is not a valid hex color'));
}
else {
form_set_value($element, $element['#value']);
}
}
/**
* Format calendar_colorpicker.
*/
function theme_calendar_colorpicker($element) {
$output = '';
$output .= '';
return theme('form_element', $element, $output);
}
/**
* Format calendar_color textfield.
*/
function theme_calendar_colorfield($element) {
$size = isset($element['#size']) ? ' size="' . $element['#size'] . '"' : '';
$maxlength = isset($element['#maxlength']) ? 'maxlength="'.$element['#maxlength'] .'"' : '';
$output = '';
if (isset($element['#calendar_colorpicker'])) {
$element['#attributes']['class'] .= ' edit-'. str_replace("_", "-", $element['#calendar_colorpicker']);
}
$output .= '';
return theme('form_element', $element, $output);
}