first import

sites/all/modules/mb/mb_comment/mb_comment.admin.inc

@@ -0,0 +1,177 @@
+<?php
+
+/*
+ * @file
+ * Function file to administer the MB Comment module settings.
+ */
+
+/**
+ * Provides the central MB Content settings form.
+ */
+function mb_comment_admin() {
+  $module = 'mb_comment';
+  $mb_comment_mappings = mb_get_mappings($module);
+  $mb_comment_values = mb_get_values($module);
+
+  $form['#mappings'] = $mb_comment_mappings;
+
+  foreach ($mb_comment_mappings as $type => $v) {
+    // It makes no sense to use the MB Content module with the content type panel.
+    if ($type == 'panel') {
+      continue;
+    }
+
+    // Provide "Cancel" button settings.
+    $form[$module][$type][$module . '_cancel_' . $type] = array(
+      '#type' => 'select',
+      '#options' => mb_cancel_button_positions(),
+      '#default_value' => variable_get($module . '_cancel_' . $type, 0),
+    );
+  }
+
+  $form['submit']['save'] = array(
+    '#type' => 'submit',
+    '#name' => 'save',
+    '#value' => t('Save')
+  );
+  $form['submit']['reset'] = array(
+    '#type' => 'submit',
+    '#name' => 'reset',
+    '#value' => t('Reset to defaults'),
+  );
+
+  return $form;
+}
+
+/**
+ * Display a central MB Content settings form page.
+ *
+ * @return
+ *   The complete HTML formatted administer page.
+ */
+function theme_mb_comment_admin($variables) {
+  _mb_load_css('admin');
+
+  $module = 'mb_comment';
+  $mappings = array();
+  $output  = '';
+  $extra_info = '';
+  $rows = array();
+
+  $form = drupal_get_form($module . '_admin');
+  $mappings = $form['#mappings'];
+
+  $output  = '<h3>' . t('Comment settings') . '</h3>';
+  $output .= '<p>' . t('Which %module functions are used by different content type pages.', array('%module' => t('More Buttons Comment'))) . '</p>';
+
+  $header = array(t('Cancel'));
+
+  $i = 1;
+  foreach ($mappings as $type => $maps) {
+    // It makes no sense to use the MB Comment module with the content type panel.
+    if ($type == 'panel') {
+      // Define an additional information.
+      $extra_info .= '<p>' . t('For the content type %type no settings can be made.', array('%type' => t($mappings['panel']['name']))) . '</p>';
+      continue;
+    }
+
+    // Convert underscores in the machine redeable type names to hyphen for right path building.
+    $parsed_type = str_replace('_', '-', $type);
+
+    // Provide own odd/even functionality.
+    $evenodd = $i % 2 ? 'odd-mb' : 'even-mb';
+    $evenodd = $i & 1 ? 'odd-mb' : 'even-mb';
+
+    $type_link = 'admin/structure/types/manage/' . $parsed_type;
+    $link = l($maps['name'], $type_link, array('query' => array('destination' => 'admin/config/mb/buttons/more-buttons-comment'), 'attributes' => array('title' => t('Edit this content type'))));
+
+    // The content type row; Include an link to directly edit the MB Content settings in the content type.
+    $rows[] = array('data' => array($link), 'class' => array($evenodd . ' ' . $evenodd . '-type'));
+
+    // The row contains the form elements.
+    $rows[] = array(
+      'data' => array(
+        drupal_render($form[$module][$type][$module . '_cancel_' . $type])
+      ),
+      'class' => array($evenodd . ' ' . $evenodd . '-elements')
+    );
+
+    unset($form[$module][$type]);
+    ++$i;
+  }
+
+  $output .= theme('table', array(
+    'header' => $header,
+    'rows' => $rows,
+    'attributes' => array('class' => array('mb-admin-table', $module . '-admin-table'))
+  ));
+
+  // Display additional informations.
+  if ($extra_info != '') {
+    $output .= $extra_info;
+  }
+
+  $output .= drupal_render($output);
+  $output .= drupal_render_children($form);
+  $output .= '<p style="text-align: right">' . t('Module development by <a href="@development-url">Quiptime Group</a>.', array('@development-url' => url('http://www.quiptime.com'))) . '</p>';
+
+  return $output;
+}
+
+/**
+ * Save settings from admin form.
+ */
+function mb_comment_admin_submit($form, &$form_state) {
+  $module = 'mb_comment';
+  $mappings = $form['#mappings'];
+
+  if ($form_state['clicked_button']['#id'] == 'edit-save') {
+    // Save the MB Comment button settings.
+    foreach ($mappings as $type => $maps) {
+      if ($type == 'panel') {
+        continue;
+      }
+      variable_set($module . '_cancel_' . $type, $form_state['values'][$module . '_cancel_' . $type]);
+    }
+
+    drupal_set_message(t('The %module settings have been saved.', array('%module' => t('More Buttons Comment'))), 'status');
+  }
+  elseif ($form_state['clicked_button']['#id'] == 'edit-reset') {
+    $form_state['redirect'] = 'admin/config/mb/buttons/more-buttons-comment/reset';
+  }
+}
+
+/**
+ * Menu callback to define the confirm form output.
+ *
+ * @return
+ *   The confirm form.
+ */
+function mb_comment_reset() {
+  $question = t('Are you sure you want to reset all %module settings?', array('%module' => t('More Buttons Comment')));
+
+  $information = '<p>' . t('This action disables the settings for all buttons. This action cannot be undone.') . '</p>';
+
+  return confirm_form(array(),
+    $question,
+    array('path' => 'admin/config/mb/buttons/more-buttons-comment', 'attributes' => array('class' => 'button')), $information,
+    t('Reset'),
+    t('Cancel')
+  );
+}
+
+/**
+ * Resave all system variables of the MB Content module to reset the module settings.
+ */
+function mb_comment_reset_submit($form, &$form_state) {
+  // Resave variables.
+  $node_types = array_keys(node_type_get_types());
+  foreach ($node_types as $type) {
+    variable_set('mb_comment_cancel_' . $type, 0);
+  }
+
+  drupal_set_message(t('The %module settings have been set back.', array('%module' => t('More Buttons Content'))), 'status');
+  watchdog('More Buttons Comment', 'The %module settings have been set back.', array('%module' => t('More Buttons Comment')), WATCHDOG_NOTICE, l(t('view'), 'admin/config/mb/buttons/more-buttons-comment'));
+
+  $form_state['redirect'] = 'admin/config/mb/buttons/more-buttons-comment';
+}

sites/all/modules/mb/mb_comment/mb_comment.info

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+name = More Buttons Comment
+description = "Provides an <em>Cancel</em> button for comments."
+package = "More Buttons"
+dependencies[] = comment
+dependencies[] = mb
+core = 7.x
+files[] = mb_comment.module
+files[] = mb_comment.admin.module
+
+; Information added by drupal.org packaging script on 2011-02-25
+version = "7.x-1.x-dev"
+core = "7.x"
+project = "mb"
+datestamp = "1298619614"
+

sites/all/modules/mb/mb_comment/mb_comment.install

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+<?php
+
+/**
+ * @file
+ * Installs, updates, and uninstalls More Buttons Comment.
+ */
+
+/**
+ * Implements hook_uninstall().
+ */
+function mb_comment_uninstall() {
+  // Remove variables.
+  $node_types = array_keys(node_type_get_types());
+  foreach ($node_types as $type) {
+    variable_del('mb_comment_cancel_' . $type);
+  }
+}

sites/all/modules/mb/mb_comment/mb_comment.module

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+<?php
+
+/**
+ * @file
+ * Provides a Cancel button for comments.
+ *
+ * Currently available buttons:
+ * - Cancel
+ */
+
+/**
+ * Implements hook_permission().
+ */
+function mb_comment_permission() {
+  return array(
+    'access mb comment' =>  array(
+      'title' => t('Use More Comment Buttons'),
+      'description' => t('Use the buttons defined by More Buttons Comment.')
+    )
+  );
+}
+
+/**
+ * Implements hook_menu().
+ */
+function mb_comment_menu() {
+  $items = array();
+
+  $items['admin/config/mb/buttons/more-buttons-comment'] = array(
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('mb_comment_admin'),
+    'title' => 'Comments',
+    'access arguments' => array('administer site configuration'),
+    'description' => 'An overview of what content type uses buttons/functions of the MB Comment module.',
+    'file' => 'mb_comment.admin.inc',
+    'type' => MENU_LOCAL_TASK,
+    'weight' => 10
+  );
+  $items['admin/config/mb/buttons/more-buttons-comment/reset'] = array(
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('mb_comment_reset'),
+    'access arguments' => array('administer site configuration'),
+    'type' => MENU_CALLBACK,
+    'file' => 'mb_comment.admin.inc'
+  );
+
+  return $items;
+}
+
+/**
+ * Implements hook_theme().
+ */
+function mb_comment_theme() {
+  return array(
+    'mb_comment_admin' => array(
+      'variables' => array('form' => NULL),
+    )
+  );
+}
+
+/**
+ * Implements hook_form_alter().
+ */
+function mb_comment_form_alter(&$form, &$form_state, $form_id) {
+  $module = 'mb_comment';
+
+  if ($form['#id']) {
+    if ($form['#id'] == 'comment-form') {
+      $node = $form['#node'];
+
+      if (arg(0) == 'comment') {
+        $default_values = mb_default_values();
+        $mb_content_values = mb_get_values('mb');
+        $destination = drupal_get_destination();
+
+        $settings = array();
+        $settings['cancel'] = variable_get($module . '_cancel_' . $node->type, 0);
+
+        if (!preg_match('/comment\/reply/', url($_SERVER["HTTP_REFERER"]))) {
+          $form['comment_referer'] = array(
+            '#type' => 'value',
+            '#value' => url($_SERVER["HTTP_REFERER"])
+          );
+        }
+
+        $form_state['cache'] = TRUE;
+
+        // Define the "Cancel" form element.
+        if ($settings['cancel'] > 0) {
+          if ($settings['cancel'] == 1) {
+            $weight_cancel = $form['actions']['submit']['#weight'] - 1;
+          }
+          elseif ($settings['cancel'] == 2) {
+            $weight_cancel = 16;
+          }
+
+          $form['actions']['cancel'] = array(
+            '#type' => 'submit',
+            '#value' => isset($mb_comment_values['cancel']) ? t('@cancel-value', array('@cancel-value' => t($mb_comment_values['cancel']))) : t($default_values['cancel']),
+            '#weight' => 30,
+            '#validate' => array('mb_comment_cancel_validate')
+          );
+        }
+      }
+    }
+  }
+
+  switch ($form_id) {
+    case 'node_type_delete_confirm':
+      // Delete MB Comment content type system variables
+      // if content types will be deleted.
+      $form['#submit'][] = 'mb_comment_delete_confirm_submit';
+
+      break;
+
+    case 'node_type_form':
+      // Provide the prepared additional MB Comment button settings.
+
+      // Check the specific case add content type form.
+      if (empty($form['#node_type']->type)) {
+        // Add content type.
+        $type = 'mb_comment_type_dummy';
+      }
+      else {
+        // Edit an content type.
+        $type = $form['#node_type']->type;
+      }
+
+      // It makes no sense to use the MB Comment module with the content type panel.
+      if ($type == 'panel') {
+        return;
+      }
+
+      // The additional button settings.
+      $form['comment_buttons'] = array(
+        '#type' => 'fieldset',
+        '#title' => t('Button settings - comments'),
+        '#group' => 'additional_settings',
+        '#collapsible' => TRUE,
+        '#collapsed' => TRUE,
+        '#weight' => 5,
+        '#attached' => array(
+          'js' => array(drupal_get_path('module', $module) . '/' . $module . '_node_form.js')
+        )
+      );
+
+      // Provide "Cancel" button settings.
+      $form['comment_buttons'][$module . '_cancel'] = array(
+        '#type' => 'select',
+        '#title' => t('Cancel button'),
+        '#description' => t('Please select using the button or its position.'),
+        '#options' => mb_cancel_button_positions(),
+        '#default_value' => variable_get($module . '_cancel_' . $type, 0)
+      );
+
+      break;
+  }
+}
+
+/**
+ * Implements hook_validate().
+ *
+ * Handle the "Cancel" button validation.
+ */
+function mb_comment_cancel_validate(&$form, &$form_state) {
+  // This is the cancel action. No validation required.
+  mb_comment_cancel_action($form, $form_state);
+}
+
+/**
+ * The "Cancel" action.
+ *
+ *   Handle different submit actions and make different redirects.
+ *
+ * @see mb_comment_cancel_validate()
+ */
+function mb_comment_cancel_action(&$form, &$form_state) {
+  // Hide the error messages.
+  drupal_get_messages('error');
+
+  $redirect = 'node/' . $form['nid']['#value'];
+
+  if (isset($form['comment_referer']['#value'])) {
+    $redirect = $form['comment_referer']['#value'];
+  }
+
+  drupal_goto($redirect);
+}
+
+/**
+ * Submit callback to delete MB Comment content type system variables
+ * if content types will be deleted.
+ */
+function mb_comment_delete_confirm_submit($form, &$form_state) {
+  $module = 'mb_comment';
+
+  foreach ($form_state['build_info']['args'] as $type) {
+    variable_del($module . '_cancel_' . $type->type);
+  }
+}

sites/all/modules/mb/mb_comment/mb_comment_node_form.js

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+
+(function ($) {
+  
+Drupal.behaviors.mbCommentFieldsetSummaries = {
+  attach: function (context) {
+    // Provide the summary for the content type form.
+    $('fieldset#edit-comment-buttons', context).drupalSetSummary(function(context) {
+      var vals = [];
+
+      // Cancel button.
+      var cancel = $("select[name='mb_comment_cancel'] option:selected", context).text();
+      cancel = Drupal.t('Cancel button') + ": " + cancel;
+      vals.push(cancel);
+
+      return Drupal.checkPlain(vals.join(', '));
+    });
+  }
+};
+
+})(jQuery);