Rename to readmore.

js/readmore.js

@@ -0,0 +1,13 @@
+(function ($) {
+  Drupal.behaviors.readmore = {
+    attach : function(context, settings) {
+      $('.readmore-wrapp .readmore-link').click(function(e) {
+        e.preventDefault();
+        $(this).hide();
+        var parent = $(this).closest('.readmore-wrapp');
+        parent.find('.readmore-ellipsis').hide();
+        parent.find('.readmore-other').slideDown(300);
+      });
+    }
+  };
+})(jQuery);

readmore.field.inc

@@ -0,0 +1,106 @@
+<?php
+
+/**
+ * @file
+ * Field formatter hooks to implement a readmore.
+ */
+
+/**
+ * Implements hook_field_formatter_info().
+ */
+function readmore_field_formatter_info() {
+  return array(
+    'readmore' => array(
+      'label' => t('Read more'),
+      'field types' => array(
+        'text',
+        'text_long',
+        'text_with_summary',
+      ),
+      'settings' => array(
+        'readmore_trim_length' => 500,
+        'readmore_ellipsis' => TRUE,
+        'readmore_wordsafe' => FALSE,
+      ),
+    ),
+  );
+}
+
+/**
+ * Implements hook_field_formatter_settings_form().
+ */
+function readmore_field_formatter_settings_form($field, $instance, $view_mode, $form, &$form_state) {
+  $display = $instance['display'][$view_mode];
+  $settings = $display['settings'];
+
+  $element = array();
+
+  if ($display['type'] == 'readmore') {
+    $element['readmore_trim_length'] = array(
+      '#title' => t('Trim length'),
+      '#type' => 'textfield',
+      '#size' => 10,
+      '#default_value' => $settings['readmore_trim_length'],
+      '#element_validate' => array('element_validate_integer_positive'),
+      '#required' => TRUE,
+    );
+    $element['readmore_ellipsis'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Add ellipsis'),
+      '#default_value' => $settings['readmore_ellipsis'],
+    );
+    $element['readmore_wordsafe'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Truncate on a word boundary'),
+      '#default_value' => $settings['readmore_wordsafe'],
+    );
+  }
+
+  return $element;
+}
+
+/**
+ * Implements hook_field_formatter_settings_summary().
+ */
+function readmore_field_formatter_settings_summary($field, $instance, $view_mode) {
+  $display = $instance['display'][$view_mode];
+  $settings = $display['settings'];
+  $summary = '';
+
+  if ($display['type'] == 'readmore') {
+    $summary[] = t('Trim length: @length', array('@length' => $settings['readmore_trim_length'])) . "\n";
+    $summary[] = $settings['readmore_ellipsis'] ? t('Add ellipsis') : t('Do not add ellipsis');
+    $summary[] = $settings['readmore_wordsafe'] ? t('Safe words') : t('Do not safe words');
+  }
+
+  return implode('<br />', $summary);
+}
+
+/**
+ * Implements hook_field_formatter_view().
+ */
+function readmore_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) {
+  $element = array();
+  switch ($display['type']) {
+    case 'readmore':
+      drupal_add_js(READMORE_MODULE_PATH . '/js/readmore.js');
+      foreach ($items as $delta => $item) {
+        $output = _text_sanitize($instance, $langcode, $item, 'value');
+        $output = readmore_divide_string($output, isset($item['format']) ? $item['format'] : NULL, $display['settings']['readmore_trim_length'], $display['settings']['readmore_wordsafe']);
+        if (is_array($output)) {
+          $output['ellipsis'] = $display['settings']['readmore_ellipsis'];
+          $element[$delta] = array(
+            '#markup' => theme('readmore', $output),
+          );
+        }
+        else {
+          $element[$delta] = array(
+            '#markup' => $output,
+          );
+        }
+      }
+      break;
+  }
+
+  return $element;
+}

readmore.info

@@ -0,0 +1,4 @@
+name = Read more
+description = Add "read more" field formatter.
+core = 7.x
+package = Fields

more_text.module → readmore.module

@@ -2,29 +2,29 @@
 
 /**
  * @file
- * Code for More text module.
+ * Basic functional for readmore module.
  */
 
-define('MORE_TEXT_MODULE_PATH', drupal_get_path('module', 'more_text'));
+define('READMORE_MODULE_PATH', drupal_get_path('module', 'readmore'));
 
-include_once DRUPAL_ROOT . '/' . MORE_TEXT_MODULE_PATH . '/more_text.field.inc';
+include_once DRUPAL_ROOT . '/' . READMORE_MODULE_PATH . '/readmore.field.inc';
 
 /**
  * Implements hook_theme().
  */
-function more_text_theme() {
+function readmore_theme() {
   $base = array(
-    'path' => MORE_TEXT_MODULE_PATH . '/theme',
+    'path' => READMORE_MODULE_PATH . '/theme',
   );
 
   return array(
-    'more_text' => array(
+    'readmore' => array(
       'variables' => array(
         'summary' => NULL,
         'other' => NULL,
         'ellips' => NULL,
       ),
-      'template' => 'more-text',
+      'template' => 'readmore',
     ) + $base,
   );
 }
@@ -45,10 +45,10 @@ function more_text_theme() {
  * @return array
  *   Return array with truncated string and other text.
  */
-function more_text_divide_string($text, $format = NULL, $size = NULL, $wordsafe = FALSE) {
+function readmore_divide_string($text, $format = NULL, $size = NULL, $wordsafe = FALSE) {
   if (!isset($size)) {
     // If size is not set then use default.
-    $size = 300;
+    $size = 500;
   }
 
   // We check for the presence of the PHP evaluator filter in the current

theme/more-text.tpl.php → theme/readmore.tpl.php

@@ -10,11 +10,11 @@
  * - $other: Text that will be displayed after click 'read more' link.
  */
 ?>
-<div class="more-text">
+<div class="readmore-wrapp">
   <?php print $summary; ?>
   <?php if ($ellipsis): ?>
-    <span class="more-text-ellips"><?php print t('...'); ?></span>
+    <span class="readmore-ellipsis"><?php print t('...'); ?></span>
   <?php endif; ?>
-  <a class="read-more" href="#"><?php print t('read more'); ?></a>
-  <div class="other-text" style="display:none;"><?php print $other; ?></div>
+  <a class="readmore-link" href="#"><?php print t('read more'); ?></a>
+  <div class="readmore-other" style="display:none;"><?php print $other; ?></div>
 </div>