'Delete activty comment',
'page callback' => 'drupal_get_form',
'page arguments' => array('activity_comments_comment_delete', 3),
'access callback' => 'activity_comments_delete_access',
'access arguments' => array(3),
'type' => MENU_CALLBACK,
);
$items['activity/comments/insert'] = array(
'title' => 'List activty comments',
'page callback' => 'activity_comments_comment_insert',
'access arguments' => array('access content'),
'type' => MENU_CALLBACK,
);
return $items;
}
/**
* Access callback to determine if you can delete the comment
*/
function activity_comments_delete_access($acid) {
if (user_access('administer activity comments')) {
return TRUE;
}
// quick query to determine if the uid is the same and
// if the user can delete comments
if (user_access('activity comments delete own')) {
$uid = db_result(db_query("SELECT uid FROM {activity_comments} WHERE cid = %d", $acid));
return ($uid == $GLOBALS['user']->uid);
}
return FALSE;
}
/**
* Delete comment form build
*/
function activity_comments_comment_delete($form_state, $cid) {
$form['#cid'] = $cid;
$text = db_result(db_query("SELECT comment FROM {activity_comments} WHERE cid = %d", $cid));
$comment_text = truncate_utf8(check_plain($text), 30, TRUE, TRUE);
return confirm_form($form, t('Would you like to delete this comment: !comment', array('!comment' => $comment_text)), $_REQUEST['destination']);
}
/**
* Form submit for the delete form
*/
function activity_comments_comment_delete_submit($form, &$form_state) {
db_query("DELETE FROM {activity_comments} WHERE cid = %d", $form['#cid']);
}
/**
* Insert comments menu callback.
*/
function activity_comments_comment_insert() {
// We're starting in step #3, preparing for #4.
$form_state = array('storage' => NULL, 'submitted' => FALSE);
$form_build_id = $_POST['form_build_id'];
// Step #4.
$form = form_get_cache($form_build_id, $form_state);
// Preparing for #5.
$args = $form['#parameters'];
$form_id = array_shift($args);
$form_state['post'] = $form['#post'] = $_POST;
$form['#programmed'] = $form['#redirect'] = FALSE;
// Step #5.
drupal_process_form($form_id, $form, $form_state);
// Step #6 and #7 and #8.
$form = drupal_rebuild_form($form_id, $form_state, $args, $form_build_id);
// Step #9.
// search for activity_comments_wrap and remove it from the pre render
$key = array_search('activity_comments_wrap', $form['#pre_render']);
if ($key !== FALSE) {
unset($form['#pre_render'][$key]);
}
$output = theme('status_messages') . drupal_render($form);
// Final rendering callback.
drupal_json(array('status' => TRUE, 'data' => $output));
}
/**
* List comments menu callback.
*/
function activity_comments_list($aid = 0) {
if (!empty($aid)) {
$items = array();
$result = db_query('SELECT * FROM {activity_comments} WHERE aid = %d', $aid);
while($row = db_fetch_array($result)) {
$items[] = $row;
}
return drupal_json(array('status' => TRUE, 'data' => theme('activity_comments_comments', $items)));
}
else {
return drupal_json(array('status' => FALSE, 'data' => ''));
}
}
/**
* Add comment form.
*/
function activity_comments_form($form_state, $aid, $limit, $direction) {
$form['activity_form_items'] = array(
'#access' => user_access('activity post comments'),
'#prefix' => '',
);
$form['activity_form_items']['activity_comment'] = array(
'#type' => 'textarea',
'#rows' => 2,
'#resizable' => FALSE,
'#attributes' => array('class' => 'activity-comment-text'),
'#default_value' => t('Write a Comment'),
);
$form['aid'] = array(
'#type' => 'value',
'#value' => $aid,
);
$form['direction'] = array(
'#type' => 'value',
'#value' => $direction,
);
$form['activity_form_items']['activity_save_comment'] = array(
'#type' => 'submit',
'#value' => t('Add'),
'#ahah' => array(
'path' => 'activity/comments/insert',
'wrapper' => 'activity-comments-' . $aid,
'method' => 'replace',
'effect' => 'fade',
),
'#id' => 'activity-comment-save-comment-' . $aid,
);
// fetch all the comments for this
$result = db_query("SELECT ac.cid, ac.comment, ac.timestamp, ac.uid, u.name FROM {activity_comments} ac INNER JOIN {users} u ON ac.uid = u.uid WHERE ac.aid = %d ORDER BY timestamp %s", $aid, $direction);
$items = array();
while ($comment_obj = db_fetch_object($result)) {
$items[] = $comment_obj;
}
// put all the comments into a markup for the form
$form['comments'] = array(
'#value' => theme('activity_comments_comments', $aid, $items, $limit),
'#weight' => -10,
);
// show all
$form['show_all'] = array(
'#prefix' => '',
'#weight' => -11,
'#access' => count($items) > $limit,
);
$form['#attributes'] = array('class' => 'activity_comment-comment-form');
// after build to add js
$form['#after_build'][] = 'activity_comments_add_js';
$form['#pre_render'][] = 'activity_comments_wrap';
return $form;
}
/**
* Implementation of hook_submit() for activity_comments_form.
*/
function activity_comments_form_submit($form, &$form_state) {
global $user;
//store the activity comment
$record = new stdClass;
$record->comment = $form_state['values']['activity_comment'];
$record->uid = $user->uid;
$record->aid = $form_state['values']['aid'];
$record->timestamp = time();
drupal_write_record('activity_comments', $record);
drupal_alter('activity_comment', $record);
db_query("UPDATE {activity_comments_stats} SET comment_count = comment_count + 1, changed = %d WHERE aid = %d", time(), $form['aid']['#value']);
if (!db_affected_rows()) {
db_query("INSERT INTO {activity_comments_stats} (aid, changed, comment_count) VALUES (%d, %d, 1)", $form['aid']['#value'], time());
}
}
/**
* FAPI pre_render function
*/
function activity_comments_wrap($form) {
// wrap the form so we can use ahah on it
$wrap['wrapper'] = array(
'#prefix' => '',
);
return array_merge($wrap['wrapper'], $form);
}
/**
* After build function to add the js to the page
*/
function activity_comments_add_js($form, $form_state) {
static $js_added = FALSE;
if (!$js_added) {
$js_added = TRUE;
drupal_add_js(drupal_get_path('module', 'activity_comments') . '/activity_comments.js');
// set the settings for the default text as well
drupal_add_js(array('activity_comments' => array('destination' => drupal_get_destination())), 'setting');
drupal_add_js(array('activity_comments' => array('default_text' => $form['activity_form_items']['activity_comment']['#default_value'])), 'setting');
}
return $form;
}
/**
* Implementation of hook_views_api().
*/
function activity_comments_views_api() {
return array(
'api' => 2,
'path' => drupal_get_path('module', 'activity_comments') . '/views',
);
}
/**
* Implementation of hook_theme().
*/
function activity_comments_theme($existing, $type, $theme, $path) {
return array(
'activity_comments_comments' => array(
'arguments' => array('aid' => 0, 'comments' => array(), 'limit' => 10),
),
'activity_comments_comment' => array(
'arguments' => array('comment' => NULL),
'template' => 'activity-comment',
),
);
}
/**
* Theme up all the comments
*/
function theme_activity_comments_comments($aid, $comments = array(), $limit = 10) {
$items = array();
$count = 0;
foreach($comments as $comment) {
$hide = (++$count > $limit);
$classes = 'activity-comment-wrapper';
if ($hide) {
$classes .= ' activity-comment-hidden';
}
$items[] = array(
'data' => theme('activity_comments_comment', $comment),
'class' => $classes,
);
}
return theme('item_list', $items, NULL, 'ul', array('id' => 'activity_comments-'. $aid, 'class' => 'activity-comment-list'));
}
/**
* Preprocess the comment display to add in the sanitized variables
*/
function template_preprocess_activity_comments_comment(&$vars, $hook) {
$vars['username'] = theme('username', $vars['comment']);
$vars['comment_value'] = check_markup($vars['comment']->comment);
$vars['date'] = format_date($vars['comment']->timestamp);
if (activity_comments_delete_access($vars['comment']->cid)) {
$vars['delete_link'] = l(t('Delete'), 'activity/comments/delete/' . $vars['comment']->cid, array('query' => drupal_get_destination()));
}
}