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<?php
// $Id$
/**
* @file
* Adds Facebook's "Like" button to each selected node type.
* Adds a block with a global static value where users can "Like" the URL set by admins.
*/
/**
* Implements of hook_menu().
*/
function fblikebutton_menu() {
$items['admin/config/fblikebutton'] = array(
'title' => 'FB Like Button',
'description' => 'Configure the Facebook Like button',
'page callback' => 'system_admin_menu_block_page',
'access arguments' => array('administer fblikebutton'),
'position' => 'right',
'weight' => -20,
'type' => MENU_NORMAL_ITEM,
'file' => 'system.admin.inc',
'file path' => drupal_get_path('module', 'system'),
);
$items['admin/config/fblikebutton/dynamic'] = array(
'title' => 'Dynamic Like button settings',
'description' => 'Configure the settings for the Like button as it appears on individual nodes (liking that node).',
'page callback' => 'drupal_get_form',
'page arguments' => array('fblikebutton_dynamic_settings'),
'access arguments' => array('administer fblikebutton'),
'type' => MENU_NORMAL_ITEM,
'file' => 'fblikebutton.admin.inc',
'weight' => 0,
);
$items['admin/config/fblikebutton/static'] = array(
'title' => 'Static Like button settings',
'description' => 'Configure the settings for the static Like button as it appears in the block (liking a given url). Use this to like for example your Facebook fanpage.',
'page callback' => 'drupal_get_form',
'page arguments' => array('fblikebutton_static_settings'),
'access arguments' => array('administer fblikebutton block'),
'type' => MENU_NORMAL_ITEM,
'file' => 'fblikebutton.admin.inc',
'weight' => 1,
);
return $items;
}
/**
* Implements of hook_node_view().
*/
function fblikebutton_node_view($node, $view_mode) {
global $user, $base_url;
$types = variable_get('fblikebutton_node_types', array());
$fullnodedisplay = variable_get('fblikebutton_full_node_display', 0);
$teaserdisplay = variable_get('fblikebutton_teaser_display', 0);
$full = ($view_mode == 'full') ? TRUE : FALSE;
$show = ( ! empty($types[$node->type]) && user_access('access fblikebutton'));
// Thanks to corbacho for supplying the code for the $webpage_to_like variable...
// (It was apparently throwing errors/notices the way I had it set up.)
$webpage_to_like = url("node/$node->nid", array('absolute' => TRUE));
$likebutton_weight = variable_get('fblikebutton_weight', '0');
$conf = array(
'layout' => variable_get('fblikebutton_layout', 'standard'),
'action' => variable_get('fblikebutton_action', 'like'),
'color_scheme' => variable_get('fblikebutton_color_scheme', 'light'),
'show_faces' => variable_get('fblikebutton_show_faces', 'true'),
'font' => variable_get('fblikebutton_font', 'arial'),
'height' => variable_get('fblikebutton_iframe_height', '80'),
'width' => variable_get('fblikebutton_iframe_width', '450'),
'send' => variable_get('fblikebutton_send', 'true'),
'other_css' => variable_get('fblikebutton_iframe_css', ''),
'language' => variable_get('fblikebutton_language', 'en_US'),
);
if ($show) {
// Content area
if (($view_mode == 'teaser' && $teaserdisplay == 1) || ($view_mode == 'full' && $fullnodedisplay == 0)) {
$node->content['fblikebutton_field'] = array(
'#markup' => _fblikebutton_field($webpage_to_like, $conf),
'#weight' => $likebutton_weight,
);
}
// Link area
if (($view_mode == 'teaser' && $teaserdisplay == 2) || ($view_mode == 'full' && $fullnodedisplay == 2)) {
$node->content['links']['#links']['fblikebutton_field'] = array(
'title' => _fblikebutton_field($webpage_to_like, $conf),
'html' => TRUE,
);
}
}
}
/**
* Implements of hook_permission().
*/
function fblikebutton_permission() {
return array(
'administer fblikebutton' => array(
'title' => t('Administer FB Like button'),
'description' => t('Perform administration tasks for FB Like button')
),
'administer fblikebutton block' => array(
'title' => t('Administer FB Like button block'),
'description' => t('Perform administration tasks for FB Like button block')
),
'access fblikebutton' => array(
'title' => t('Access FB Like button'),
),
);
}
/**
* Implementation of hook_block_info()
*/
function fblikebutton_block_info() {
$fullnodedisplay = variable_get('fblikebutton_full_node_display', 0);
$blocks['fblikebutton_static_block'] = array(
'info' => t('Static FB Like button'),
);
if ($fullnodedisplay == 1) {
$blocks['fblikebutton_dynamic_block'] = array(
'info' => t('Dynamic FB Like button'),
);
}
return $blocks;
}
/**
* Implementation of hook_block_configure()
*/
function fblikebutton_block_configure($delta = '') {
global $base_url;
$form = array();
if ($delta == 'fblikebutton_static_block') {
$form['fblikebutton_static_block'] = array(
'#type' => 'fieldset',
'#title' => t('Static FB Like button block'),
'#collapsible' => FALSE,
);
$form['fblikebutton_static_block']['fblikebutton_static_config'] = array(
'#markup' => '<p>' . t('To configure the URL and the appearance of the button go to the ' . l(t('static Like button settings'), 'admin/config/fblikebutton/static') . '. Make sure you set the right permissions on the ' . l(t('permissions page'), 'admin/people/permissions') . '.</p>'),
);
}
if ($delta == 'fblikebutton_dynamic_block') {
$form['fblikebutton_dynamic_block'] = array(
'#type' => 'fieldset',
'#title' => t('Dynamic FB Like button block'),
'#collapsible' => FALSE,
);
$form['fblikebutton_dynamic_block']['fblikebutton_dynamic_config'] = array(
'#markup' => '<p>' . t('To configure the visibility and the appearance of the button go to the ' . l(t('dynamic Like button settings'), 'admin/config/fblikebutton/dynamic') . '. You can enhance the visibility settings by using the settings on this page. Make sure you set the right permissions on the ' . l(t('permissions page'), 'admin/people/permissions') . '.</p>'),
);
}
return $form;
}
/**
* Implementation of hook_block_view()
*/
function fblikebutton_block_view($delta = '') {
global $base_url;
$node = node_load(arg(1));
$types = variable_get('fblikebutton_node_types', array());
if ($node) {
$show = ( ! empty($types[$node->type]) && user_access('access fblikebutton'));
}
else {
$show = NULL;
}
$fullnodedisplay = variable_get('fblikebutton_full_node_display', 0);
$block = array();
switch ($delta) {
case 'fblikebutton_dynamic_block':
if ($show && $fullnodedisplay == 1) {
$webpage_to_like = url("node/$node->nid", array('absolute' => TRUE));
$conf = array(
'layout' => variable_get('fblikebutton_layout', 'standard'),
'action' => variable_get('fblikebutton_action', 'like'),
'color_scheme' => variable_get('fblikebutton_color_scheme', 'light'),
'show_faces' => variable_get('fblikebutton_show_faces', 'true'),
'font' => variable_get('fblikebutton_font', 'arial'),
'height' => variable_get('fblikebutton_iframe_height', '80'),
'width' => variable_get('fblikebutton_iframe_width', '450'),
'send' => variable_get('fblikebutton_send', 'true'),
'other_css' => variable_get('fblikebutton_iframe_css', ''),
'language' => variable_get('fblikebutton_bl_language', 'en_US'),
);
$block['content'] = _fblikebutton_field($webpage_to_like, $conf);
}
break;
case 'fblikebutton_static_block':
$addr = variable_get('fblikebutton_block_url', $base_url);
$conf = array(
'layout' => variable_get('fblikebutton_bl_layout', "standard"),
'action' => variable_get('fblikebutton_bl_action', "like"),
'color_scheme' => variable_get('fblikebutton_bl_color_scheme', "light"),
'show_faces' => variable_get('fblikebutton_bl_show_faces', "false"),
'font' => variable_get('fblikebutton_bl_font', "arial"),
'height' => variable_get('fblikebutton_bl_iframe_height', '80'),
'width' => variable_get('fblikebutton_bl_iframe_width', '450'),
'other_css' => variable_get('fblikebutton_bl_iframe_css', ''),
'language' => variable_get('fblikebutton_bl_language', 'en_US'),
);
$block['content'] = _fblikebutton_field($addr, $conf);
break;
}
return $block;
}
function _fblikebutton_field($webpage_to_like, $conf) {
$webpage_to_like = urlencode($webpage_to_like);
$width = $conf['width'];
$height = $conf['height'];
$layout = $conf['layout'];
$action = $conf['action'];
$colorscheme = $conf['color_scheme'];
$show_faces = $conf['show_faces'];
$font = $conf['font'];
// $send = $conf['send'];
$other_css = $conf['other_css'];
$language = $conf['language'];
$params = "href={$webpage_to_like}&layout={$layout}&show_faces={$show_faces}&width={$width}px&font={$font}&height={$height}px&action={$action}&colorscheme={$colorscheme}&locale={$language}";
$src = htmlentities($params);
$output = '<iframe src="https://www.facebook.com/plugins/like.php?' . $src . '" scrolling="no" frameborder="0" style="border: none; overflow: hidden; width: ' . $width . 'px; height: ' . $height . 'px;' . $other_css . '" allowTransparency="true"></iframe>';
return $output;
}
|
