'. t('The Share widget requires at least one tab module to be enabled.') .'';
}
return $output;
}
}
/**
* Implementation of hook_perm().
*/
function share_widget_perm() {
return array('use share widget');
}
/**
* Implementation of hook_theme().
*/
function share_widget_theme() {
return array(
'share_widget' => array(
'arguments' => array('data' => NULL)
),
'share_widget_tabs' => array(
'arguments' => array('tabs' => NULL, 'nid' => NULL)
),
'share_widget_content' => array(
'arguments' => array('content' => NULL, 'nid' => NULL)
),
'share_widget_tabs_settings' => array(
'arguments' => array('form' => NULL)
),
'share_widget_page' => array(
'arguments' => array('tabs' => NULL, 'content' => NULL)
),
'share_widget_block' => array(
'arguments' => array('tabs' => NULL)
)
);
}
/**
* Implementation of hook_menu().
*/
function share_widget_menu() {
$items = array();
$items['share/%share/%node'] = array(
'description' => 'Share this page',
'page callback' => 'share_widget_page',
'page arguments' => array(1, 2),
'access callback' => 'node_access',
'access arguments' => array('view', 2),
'file' => 'share_widget.page.inc'
);
return $items;
}
/**
* Implementation of hook_form_alter().
*/
function share_widget_form_alter(&$form, $form_state, $form_id) {
if ($form_id == 'share_add_form') {
$form['#validate'][] = 'share_widget_add_form_validate';
}
if ($form_id == 'share_form' && $form['module']['#value'] == 'share_widget') {
$share = $form['_share']['#value'];
$form['share']['name'] = array(
'#type' => 'textfield',
'#title' => t('Link name'),
'#description' => t('Specify the name of the Share link.'),
'#default_value' => $share->name
);
$form['share']['effects'] = array(
'#type' => 'hidden',
'#title' => t("Effects"),
'#description' => t("Add animation to the opening and closing of the Share widget."),
'#default_value' => $share->effects
);
if (!empty($share->tabs)) {
$form['share']['tabs'] = array(
'#theme' => 'share_widget_tabs_settings',
'#tree' => TRUE
);
foreach ($share->tabs as $key => $tab) {
$form['share']['tabs'][$key] = array('#weight' => $tab['weight']);
$form['share']['tabs'][$key]['module'] = array(
'#type' => 'hidden',
'#value' => $tab['module']
);
$form['share']['tabs'][$key]['title'] = array(
'#type' => 'textfield',
'#title' => t('Title'),
'#default_value' => $tab['title']
);
$form['share']['tabs'][$key]['enabled'] = array(
'#type' => 'checkbox',
'#default_value' => $tab['enabled']
);
$form['share']['tabs'][$key]['weight'] = array(
'#type' => 'weight',
'#delta' => 10,
'#default_value' => $tab['weight'],
'#attributes' => array('class' => 'tab-weight-select')
);
$form['share']['tabs'][$key]['module'] = array(
'#type' => 'hidden',
'#value' => $tab['module']
);
if ($share->share_id) {
module_invoke($tab['module'], 'share_tab', 'load', $tab);
}
if ($settings = module_invoke($tab['module'], 'share_tab', 'settings', $tab)) {
$form['share']['tabs'][$key]['settings'] = $settings;
}
$form['#validate'][] = 'share_widget_form_validate';
}
}
}
}
/*******************************************************************************
* Hook Functions (Share)
******************************************************************************/
/**
* Implementation of hook_share_info().
*/
function share_widget_share_info() {
return array(
'name' => t('Share'),
'module' => 'share_widget',
'widget' => array(
'module' => 'share_widget',
'label' => t('Share'),
'name' => t('Share'),
'effects' => 1,
'tabs' => share_widget_default_tabs()
)
);
}
/**
* Implementation of hook_share().
*/
function share_widget_share($op, $share) {
switch ($op) {
case 'insert':
db_query("INSERT INTO {share_widget} (share_id, name, effects) VALUES (%d, '%s', %d)",
$share->share_id, $share->name, $share->effects);
foreach (module_implements('share_tab') as $module) {
db_query("INSERT INTO {share_tabs} (share_id, title, enabled, weight, module) VALUES (%d, '%s', %d, %d, '%s')",
$share->share_id, $share->tabs[$module]['title'], $share->tabs[$module]['enabled'], $share->tabs[$module]['weight'], $share->tabs[$module]['module']);
module_invoke_all('share_tab', 'insert', $share);
}
break;
case 'update':
db_query("UPDATE {share_widget} SET name = '%s', effects = %d WHERE share_id = %d",
$share->name, $share->effects, $share->share_id);
foreach (module_implements('share_tab') as $module) {
db_query("UPDATE {share_tabs} SET title = '%s', enabled = %d, weight = %d, module = '%s' WHERE share_id = %d AND module = '%s'",
$share->tabs[$module]['title'], $share->tabs[$module]['enabled'], $share->tabs[$module]['weight'], $share->tabs[$module]['module'], $share->share_id, $share->tabs[$module]['module']);
if (db_affected_rows() <= 0) {
db_query("INSERT INTO {share_tabs} (share_id, title, enabled, weight, module) VALUES (%d, '%s', %d, %d, '%s')",
$share->share_id, $share->tabs[$module]['title'], $share->tabs[$module]['enabled'], $share->tabs[$module]['weight'], $share->tabs[$module]['module']);
module_invoke($module, 'share_tab', 'insert', $share);
}
else {
module_invoke($module, 'share_tab', 'update', $share);
}
}
break;
case 'delete':
db_query("DELETE FROM {share_widget} WHERE share_id = %d", $share->share_id);
db_query("DELETE FROM {share_tabs} WHERE share_id = %d", $share->share_id);
db_query("DELETE FROM {share_node_types} WHERE share_id = %d", $share->share_id);
db_query("DELETE FROM {share_terms} WHERE share_id = %d", $share->share_id);
module_invoke_all('share_tab', 'delete', $share);
break;
}
}
/**
* Implementation of hook_share_render().
*/
function share_widget_share_render($op, $share, $node = NULL) {
switch ($op) {
case 'link':
$links = array();
if (is_object($node)) {
$links['share_'. $share->share_id .'_'. $node->nid] = array(
'title' => $share->name,
'href' => 'share/'. $share->share_id .'/'. $node->nid,
'attributes' => array('id' => 'share-'. $share->share_id .'-'. $node->nid, 'class' => 'share-link')
);
share_widget_add_js('link');
}
return $links;
case 'node':
$content = array();
if (is_object($node)) {
$content['share_'. $share->share_id .'_'. $node->nid] = array(
'#value' => $share->render($node),
'#weight' => $share->weight
);
}
return $content;
case 'block':
if (is_object($node)) {
$tabs = array();
foreach ($share->tabs as $module => $tab) {
if ($tab['enabled']) {
$tabs[$module] = array(
'title' => check_plain($tab['title']),
'content' => $share->render_tab($tab['module'], $node)
);
}
}
return theme('share_widget_block', $tabs);
}
break;
}
}
/*******************************************************************************
* Callback Functions, Forms, and Tables
******************************************************************************/
function share_widget_add_form_validate($form, &$form_state) {
if ($form_state['values']['module'] == 'share_widget') {
$tabs = module_implements('share_tab');
if (empty($tabs)) {
form_set_error('module', t('The Share widget requires at least one tab module to be enabled.'));
}
}
}
function share_widget_form_validate($form, &$form_state) {
$set = FALSE;
foreach ($form_state['values']['tabs'] as $key => $tab) {
if ($tab['enabled']) {
$set = TRUE;
break;
}
}
if ($set == FALSE) {
form_set_error('_enabled', t('At least one tab needs to be enabled.'));
return;
}
module_invoke_all('share_tab', 'validate', $form_state['values']);
}
/*******************************************************************************
* Module and Helper Functions
******************************************************************************/
function share_widget_uninstall_tab($module) {
db_query("DELETE FROM {share_tabs} WHERE module = '%s'", $module);
}
function share_widget_add_js($type = 'node') {
static $share_widget_js_added = FALSE;
static $share_widget_js_link_added = FALSE;
static $share_widget_js_block_added = FALSE;
if ($share_widget_js_added === FALSE) {
drupal_add_js(drupal_get_path('module', 'share_widget') .'/js/share_widget.js');
$share_widget_js_added = TRUE;
}
switch ($type) {
case 'block':
if ($share_widget_js_block_added === FALSE) {
drupal_add_js(drupal_get_path('module', 'share_widget') .'/js/share_widget_block.js');
$share_widget_js_block_added = TRUE;
}
break;
case 'link':
if ($share_widget_js_link_added === FALSE) {
drupal_add_js(drupal_get_path('module', 'share_widget') .'/js/share_widget_link.js');
$share_widget_js_link_added = TRUE;
}
break;
}
}
function share_widget_add_css($type = 'node') {
static $share_widget_css_added = FALSE;
static $share_widget_block_css_added = FALSE;
switch ($type) {
case 'block':
if ($share_widget_block_css_added == FALSE) {
drupal_add_css(drupal_get_path('module', 'share_widget') .'/css/share_widget_block.css');
$share_widget_block_css_added = TRUE;
}
break;
case 'link':
case 'node':
if ($share_widget_css_added == FALSE) {
drupal_add_css(drupal_get_path('module', 'share_widget') .'/css/share_widget.css');
$share_widget_css_added = TRUE;
}
break;
}
}
function share_widget_default_tabs() {
$tabs = array();
foreach (module_implements('share_tab') as $module) {
$info = module_invoke($module, 'share_info');
if (isset($info['tab']) && !empty($info['tab'])) {
$tabs[$module] = $info['tab'];
}
}
// Sort tabs by weight and then by title.
uasort($tabs, 'share_widget_tab_sort');
return $tabs;
}
function share_widget_tab_sort($a, $b) {
if ($a['weight'] == $b['weight']) {
// Convert to lowercase to ensure consistent behaviour
$a_title = strtolower($a['title']);
$b_title = strtolower($b['title']);
if ($a_title == $b_title) {
return 0;
}
// Use sort() for simple alphabetical comparison
$sortable = array($a_title, $b_title);
$sorted = $sortable;
sort($sorted);
// If the names have switched position, return -1. Otherwise, return 1.
return ($sorted[0] == $sortable[0]) ? -1 : 1;
}
return ($a['weight'] < $b['weight']) ? -1 : 1;
}
/*******************************************************************************
* Theme Functions
******************************************************************************/
function theme_share_widget($data) {
share_widget_add_js();
share_widget_add_css();
$output = '';
return $output;
}
function theme_share_widget_tabs($tabs, $nid) {
$output = '