function diff_node_form_build_preview_changes in Diff 7.2

Same name and namespace in other branches

1. 6.2 diff.module \diff_node_form_build_preview_changes()
2. 6 diff.module \diff_node_form_build_preview_changes()
3. 7.3 diff.module \diff_node_form_build_preview_changes()

Callback if 'View changes' is pressed.

1 string reference to 'diff_node_form_build_preview_changes'

diff_form_alter in ./diff.module

Implements hook_form_alter().

File

./diff.module, line 215

Provides functionality to show a diff between two node revisions.

Code

function diff_node_form_build_preview_changes($form, &$form_state) {
  module_load_include('inc', 'diff', 'diff.pages');
  $old_node = clone node_load($form_state['values']['nid']);
  $node = node_form_submit_build_node($form, $form_state);

  // Create diff of old node and edited node
  $rows = _diff_body_rows($old_node, $node, variable_get('remove_markup_default_' . $node->type, FALSE));
  $cols = _diff_default_cols();
  $header = _diff_default_header();
  $changes = theme('diff_table', array(
    'header' => $header,
    'rows' => $rows,
    'attributes' => array(
      'class' => 'diff',
    ),
    'cols' => $cols,
  ));

  // Prepend diff to edit form
  $form_state['node_preview'] = $changes;
  $form_state['rebuild'] = TRUE;
}