Added google_plusone module

sites/all/modules/google_plusone/google_plusone.admin.inc

+<?php
+
+/**
+ * @file
+ * Administration page for the Google +1 Button.
+ */
+
+/**
+ * Menu callback: displays the Google Plus One module settings page.
+ *
+ * @ingroup forms
+ */
+function google_plusone_admin_settings($form) {
+
+  // Custom javascript code to preview in real-time the button
+  drupal_add_js(drupal_get_path('module', 'google_plusone') . '/google_plusone.admin.js');
+  drupal_add_js('https://apis.google.com/js/plusone.js', 'external');
+
+  $locations = array();
+  $entity_info = entity_get_info('node');
+  $view_modes = $entity_info['view modes'];
+  foreach ($view_modes as $name => $info) {
+    $locations[$name] = $info['label'];
+  }
+
+  $form['display'] = array(
+    '#type' => 'fieldset',
+    '#title' => t('Display Settings for nodes'),
+    '#description' => t('These settings will render a button <strong>for each node</strong>, using its URL. If you only need a block with a fixed URL like your homepage, or dynamic URL for generic pages, better go to the <a href="@blocks">blocks</a> page to enable and configure the <em>Google +1 Button</em> block.', array('@blocks' => url('admin/structure/block'))),
+  );
+  $form['display']['google_plusone_node_types'] = array(
+    '#type' => 'checkboxes',
+    '#title' => t('Display the button on these content types:'),
+    '#options' => node_type_get_names(),
+    '#default_value' => variable_get('google_plusone_node_types', array()),
+  );
+  $form['display']['google_plusone_node_location'] = array(
+    '#type' => 'checkboxes',
+    '#title' => t('Display the button in these view modes:'),
+    '#options' => $locations + array('link' => t('Node links')),
+    '#default_value' => variable_get('google_plusone_node_location', array('full')),
+  );
+  $form['display']['google_plusone_weight'] = array(
+    '#type' => 'weight',
+    '#title' => t('Weight'),
+    '#delta' => 50,
+    '#default_value' => variable_get('google_plusone_weight', '-10'),
+    '#description' => t('Heavier items will sink. The default weight -10 will show the button at the top of the node content.'),
+  );
+
+  $available_sizes = array(
+    'small' => t('Small (15px)'),
+    'medium' => t('Medium (20px)'),
+    '' => t('Standard (24px)'),
+    'tall' => t('Tall (60px)'),
+  );
+  $available_annotations = array(
+    'none' => t('None'),
+    'bubble' => t('Bubble (by default)'),
+    'inline' => t('Inline'),
+  );
+  $default = array(
+    'annotation' => 'bubble',
+    'width' => '250',
+    'size' => '',  // standard
+    'css' => 'margin: 0 1em 1em 1em;float:right',
+    'syntax' => 'g:plusone',
+    'alias' => 'aliased'
+  );
+  $button_settings = array_merge($default, variable_get('google_plusone_button_settings', array()));
+  $form['google_plusone_button_settings'] = array(
+    '#type' => 'fieldset',
+    '#title' => t('Button Settings for nodes'),
+    '#tree' => TRUE, // All the options in this fieldset will be grouped in 1 single variable.
+    '#description' => google_plusone_build_preview_button($available_sizes),
+  );
+  $form['google_plusone_button_settings']['annotation'] = array(
+    '#type' => 'radios',
+    '#title' => t('Annotation: How to show the counting?'),
+    '#options' => $available_annotations,
+    '#default_value' => $button_settings['annotation'],
+  );
+  $form['google_plusone_button_settings']['width'] = array(
+    '#type' => 'textfield',
+    '#title' => t('Width (only affects to inline annotation)'),
+    '#default_value' => $button_settings['width'],
+    '#size' => 20,
+    '#description' => t('By default recommended 250 (pixels). Minimum 120'),
+  );
+  $form['google_plusone_button_settings']['size'] = array(
+    '#type' => 'radios',
+    '#title' => t('Size'),
+    '#options' => $available_sizes,
+    '#default_value' => $button_settings['size'],
+  );
+  $form['google_plusone_button_settings']['css'] = array(
+    '#type' => 'textfield',
+    '#title' => t('Optional wrapper with CSS'),
+    '#maxlength' => 256,
+    '#default_value' => $button_settings['css'],
+    '#description' => t('The button is wrapped in a div	&lt;div class="g-plusone-wrapper"&gt;[button]&lt;/div&gt;<br/>. Here you can enter CSS rules to style this wrapper. By default <em>margin: 0 1em 1em 1em;float:right</em><br />To disable totally the wrapper, input the word <em>nowrapper</em>'),
+  );
+  $form['google_plusone_button_settings']['syntax'] = array(
+    '#type' => 'radios',
+    '#title' => t('Tag syntax'),
+    '#options' => array('HTML5' => t('HTML5'), 'g:plusone' => t('g:plusone')),
+    '#default_value' => $button_settings['syntax'],
+    '#description' => t('Two different but equivalent formats are allowed for the +1 tag. By default: g:plusone'),
+  );
+  $form['google_plusone_button_settings']['alias'] = array(
+    '#type' => 'radios',
+    '#title' => t('Aliased path'),
+    '#default_value' => $button_settings['alias'],
+    '#options' => array('not_aliased' => t('Not aliased'), 'aliased' => t('Aliased')),
+    '#description' => t('By default <em>Aliased</em>. If you change this setting, <strong>be aware</strong> that Google+ will see them as different URLs, so the button will not keep the previous counting.'),
+  );
+
+  $default_advanced = array(
+   'lang' => '',
+   'scope' => 'page_bottom',
+   'parsetags' => 'onload',
+   'async' => 1,
+  );
+  $config = array_merge($default_advanced, variable_get('google_plusone_advanced_settings', $default_advanced));
+  $form['google_plusone_advanced_settings'] = array(
+    '#type' => 'fieldset',
+    '#title' => t('Advanced Settings'),
+    '#collapsed' => TRUE,
+    '#tree' => TRUE, // All the options in this fieldset will be grouped in 1 single variable.
+    '#collapsible' => TRUE,
+    '#description' => t('Get more information about these options from the documentation of the <a href="@api-doc">Google +1 API</a>.', array('@api-doc' => 'https://developers.google.com/+/plugins/+1button/')),
+  );
+  $form['google_plusone_advanced_settings']['lang'] = array(
+    '#type' => 'textfield',
+    '#title' => t('Language'),
+    '#default_value' => $config['lang'],
+    '#description' => t('Input the language code you want from <a href="@api-doc">this list</a>. Leave empty to use the default <em>en-Us</em> language.<br/>If, and only if, you have a multi-lingual site using Locale module, then you can input a list of <strong>Google +1 language codes</strong> separated by commas. For example: <em>pt-br,fr,ru</em>', array('@api-doc' => 'https://developers.google.com/+/plugins/+1button/#available-languages')),
+  );
+  $form['google_plusone_advanced_settings']['scope'] = array(
+    '#type' => 'radios',
+    '#title' => t('Scope'),
+    '#options' => array('page_bottom' => t('page_bottom'), 'header' => t('header')),
+    '#default_value' => $config['scope'],
+    '#description' => t('Location of the script file. By default: <em>page_bottom</em>, for performance reasons. Your theme <strong>must</strong> have the same region name.'),
+  );
+  $form['google_plusone_advanced_settings']['async'] = array(
+    '#type' => 'checkbox',
+    '#title' => t('Load JavaScript asynchronously'),
+    '#default_value' => $config['async'],
+    '#description' => t('By default enabled. If enabled, the Google+1 JavaScript will be loaded asynchronously, preventing that the browser gets blocked (waiting for the JavaScript load) in the pages where Google+1 button is present.'),
+  );
+  $form['google_plusone_advanced_settings']['parsetags'] = array(
+    '#type' => 'radios',
+    '#title' => t('Parse tags'),
+    '#options' => array('explicit' => t('explicit'), 'onload' => t('onload')),
+    '#default_value' => $config['parsetags'],
+    '#description' => t('Buttons will be rendered immediately upon page load, or explicitly called. By default <em>onload</em>.'),
+  );
+  return system_settings_form($form);
+}
+
+/**
+ * Returns HTML for a preview button in the admin settings page.
+ */
+function google_plusone_build_preview_button($sizes) {
+  $output = '<div id="google_plusone_preview" style="display:none;">';
+  $output .= '<div style="float: right;padding:2em;margin: 0 3em 0 3em;font-size:1.2em;border: thin groove #999;">' . t('Real time preview (annotation, width and size) for http://drupal.org') . '<br /><br />';
+  foreach ($sizes as $size => $value) {
+    $output .= '<div id="google_plusone_' . $size . '" style="display:none">';
+    $output .= '<br clear="all" />' . t('With no annotation:') . '<br /><br />';
+    $output .= '<div class="g-plusone" data-href="http://drupal.org" data-size="' . $size . '" data-annotation="none"></div>';
+    $output .= '<br /><br clear="all" />' . t('With bubble annotation:') . '<br /><br />';
+    $output .= '<div class="g-plusone" data-href="http://drupal.org" data-size="' . $size . '" data-annotation="bubble"></div>';
+    $output .= '<br /><br clear="all" />' . t('With inline annotation:') . '<br /><br /><div class="g-inline">';
+    $output .= '<div class="g-plusone" data-href="http://drupal.org" data-size="' . $size . '" data-annotation="inline"></div>';
+    $output .= '</div></div>';
+  }
+  $output .= '</div></div>';
+  return $output;
+}
+
+/*
+ * Trim and polish text input fields
+ */
+function google_plusone_admin_settings_validate($form, &$form_state) {
+  $form_state['values']['google_plusone_button_settings']['css'] = google_plusone_trim($form_state['values']['google_plusone_button_settings']['css'], ';');
+  $form_state['values']['google_plusone_advanced_settings']['lang'] = drupal_strtolower(trim($form_state['values']['google_plusone_advanced_settings']['lang']));
+}
+
+/**
+ * Helper function to trim whitespace and make sure to remove
+ * the last character if it is a delimiter.
+ *
+ * @param $list
+ *   A string representing a list of items
+ * @param $delimiter
+ *   A string that contains a delimiter.
+ * @return
+ *   A whitespace-trimmed string
+ *
+ */
+function google_plusone_trim($list, $delimiter) {
+  $list = trim(check_plain($list));
+  if (!empty($list)) {
+    if (drupal_substr($list, -1) === $delimiter) {
+      $list = drupal_substr($list, 0, -1);
+    }
+  }
+  return $list;
+}

sites/all/modules/google_plusone/google_plusone.admin.js

+(function ($) {
+
+  Drupal.behaviors.google_plusone_preview = {
+    attach: function() {
+
+      var $preview = $('#google_plusone_preview').show();
+
+      // Selectors with complex matches to be able to re-use it
+      // in admin page and block settings page.
+      var $sizeForm = $('div[id$="-size"]');
+      var $widthInput = $('input[id$="-width"]');
+
+      var size = $sizeForm.find(':checked').val();
+      $preview.find('#google_plusone_' + size).addClass('active_size').show();
+
+      // Bind changes in the size select form to update preview.
+      $sizeForm.bind('change', function(){
+         var size = $(this).find(':checked').val();
+         $preview.find('.active_size').hide();
+         $preview.find('#google_plusone_' + size).addClass('active_size').show();
+      });
+
+      $widthInput.bind('keyup', function(){
+        var newWidth = $(this).val();
+        var $container = $preview.find('.g-inline').empty();
+        var sizes = ['small','medium','standard','tall'];
+        $container.each(function(i){
+          gapi.plusone.render(this, {'size':sizes[i],'annotation':'inline','href':'http://drupal.org','width': parseInt(newWidth)});
+        });
+      });
+    }
+  };
+
+})(jQuery);
\ No newline at end of file

sites/all/modules/google_plusone/google_plusone.info

+name = Google Plus One +1
+description = Adds Google +1 button to your site. Enable it per node, or as a block.
+core = 7.x
+configure = admin/config/services/google-plusone
+
+; Information added by drupal.org packaging script on 2011-12-18
+version = "7.x-1.3"
+core = "7.x"
+project = "google_plusone"
+datestamp = "1324223739"
+

sites/all/modules/google_plusone/google_plusone.install

+<?php
+
+/**
+ * @file
+ * Enable and uninstall functions for the Google Plus One module.
+ */
+
+/**
+ * Implements hook_enable().
+ */
+function google_plusone_enable() {
+  $node_types = variable_get('google_plusone_node_types', array());
+  if (empty($node_types)) {
+    drupal_set_message(t('To finish enabling Google +1 button in your nodes, visit the <a href="@settings">settings</a> page. And remember to check the <a href="@perm">permissions</a> to view the button.', array('@settings' => url('admin/config/services/google-plusone'), '@perm' => url('admin/people/permissions', array('fragment' => 'module-google_plusone')))));
+  }
+}
+
+/**
+ * Implements hook_uninstall().
+ */
+function google_plusone_uninstall() {
+  variable_del('google_plusone_node_types');
+  variable_del('google_plusone_node_location');
+  variable_del('google_plusone_weight');
+  variable_del('google_plusone_block_settings');
+  variable_del('google_plusone_button_settings');
+  variable_del('google_plusone_advanced_settings');
+}
+
+/**
+ * 'count' parameter has been deprecated in favor of 'annotation' in the Google +1 API
+ * Updating variables according to the new API.
+ */
+function google_plusone_update_7001() {
+  // Updating settings of the G+ button for the node
+  $button_settings = variable_get('google_plusone_button_settings', 0);
+  if (isset($button_settings['count'])) {
+    $button_settings['annotation'] = $button_settings['count'] ? 'none' : 'bubble';
+    $button_settings['width'] = '250';
+    unset($button_settings['count']);
+    variable_set('google_plusone_button_settings', $button_settings);
+  }
+  // Same for the block settings
+  $block_settings = variable_get('google_plusone_block_settings', 0);
+  if (isset($block_settings['count'])) {
+    $block_settings['annotation'] = $button_settings['count'] ? 'none' : 'bubble';
+    $block_settings['width'] = '250';
+    if (empty($block_settings['url'])) {
+      $block_settings['url'] = '<front>';
+    }
+    unset($block_settings['count']);
+    variable_set('google_plusone_block_settings', $block_settings);
+  }
+}
\ No newline at end of file