<?php
// $Id$
function picture_profile_menu ($may_cache) {
  global $user;
  $admin_access = user_access('administer users');
  $items = array();
  if (!$may_cache) {
  $items[] = array('path' => 'user/'. arg(1) .'/edit/pictures', 'title' => t('Edit picture'),
          'callback' => 'drupal_get_form', 'callback arguments' => array('picture_profile_edit'),
          'access' => $admin_access || $user->uid == arg(1), 'type' => MENU_LOCAL_TASK);
  }
  return $items;
}

function picture_profile_form_alter($form_id, &$form) {
        switch ($form_id) {
    case 'user_edit' :
        unset($form['picture']);
        unset($form['comment_settings']);
        unset($form['theme_select']);
        break;
        case 'picture_profile_edit' :
        unset($form['comment_settings']);
        unset($form['theme_select']);
        break; 
        };
}

function _picture_profile_edit_form($uid, $edit, $register = FALSE) {
  $admin = user_access('administer users');
  if (variable_get('user_pictures', 0) && !$register) {
    $form['picture'] = array('#type' => 'fieldset', '#title' => t('Picture'), '#weight' => 1);
    $picture = theme('user_picture', (object)$edit);
    if ($picture) {
      $form['picture']['current_picture'] = array('#value' => $picture);
      $form['picture']['picture_delete'] = array('#type' => 'checkbox', '#title' => t('Delete picture'), '#description' => t('Check this box to delete your current picture.'));
    }
    else {
      $form['picture']['picture_delete'] = array('#type' => 'hidden');
    }
    $form['picture']['picture_upload'] = array('#type' => 'file', '#title' => t('Upload picture'), '#size' => 48, '#description' => t('Your virtual face or picture. Maximum dimensions are %dimensions and the maximum size is %size kB.', array('%dimensions' => variable_get('user_picture_dimensions', '85x85'), '%size' => variable_get('user_picture_file_size', '30'))) .' '. variable_get('user_picture_guidelines', ''));
  }
  return $form;
}

function picture_profile_edit($category = 'account') {
  global $user;

  $account = user_load(array('uid' => arg(1)));
  if ($account === FALSE) {
    drupal_set_message(t('The account does not exist or has already been deleted.'));
    drupal_goto('admin/user/user');
  }

  $edit = $_POST['op'] ? $_POST : (array)$account;
  $form = _picture_profile_edit_form($account->uid, $edit);
  $form['_category'] = array('#type' => 'value', '#value' => $category);
  $form['_account'] = array('#type' => 'value', '#value' => $account);
  $form['submit'] = array('#type' => 'submit', '#value' => t('Submit'), '#weight' => 30);
 
  $form['#attributes']['enctype'] = 'multipart/form-data';
  drupal_set_title(check_plain($account->name));
  return $form;
}

function picture_profile_edit_validate($uid, &$edit) {

  $user = user_load(array('uid' => $uid));
   // If required, validate the uploaded picture.
  if ($file = file_check_upload('picture_upload')) {
  picture_profile_validate_picture($file, $edit, $user);
  }
}

function picture_profile_validate_picture($file, &$edit, $user) {
    global $form_values;
  // Initialize the picture:
  $form_values['picture'] = $user->picture;

  // Check that uploaded file is an image, with a maximum file size
  // and maximum height/width.
  $info = image_get_info($file->filepath);
  list($maxwidth, $maxheight) = explode('x', variable_get('user_picture_dimensions', '85x85'));

  if (!$info || !$info['extension']) {
    form_set_error('picture_upload', t('The uploaded file was not an image.'));
  }
  else if (image_get_toolkit()) {
    image_scale($file->filepath, $file->filepath, $maxwidth, $maxheight);
  }
  else if (filesize($file->filepath) > (variable_get('user_picture_file_size', '30') * 1000)) {
    form_set_error('picture_upload', t('The uploaded image is too large; the maximum file size is %size kB.', array('%size' => variable_get('user_picture_file_size', '30'))));
  }
  else if ($info['width'] > $maxwidth || $info['height'] > $maxheight) {
    form_set_error('picture_upload', t('The uploaded image is too large; the maximum dimensions are %dimensions pixels.', array('%dimensions' => variable_get('user_picture_dimensions', '85x85'))));
  }

  if (!form_get_errors()) {
 
    if ($file = file_save_upload('picture_upload', variable_get('user_picture_path', 'pictures') .'/picture-'. arg(1) .'.'. $info['extension'], 1)) {
        $form_values['picture'] = $file->filepath;
    }
    else {
      form_set_error('picture_upload', t("Failed to upload the picture image; the %directory directory doesn't exist or is not writable.", array('%directory' => variable_get('user_picture_path', 'pictures'))));
    }
  }
}
function picture_profile_edit_submit($form_id, $form_values) {
  $account = $form_values['_account'];
  $category = $form_values['_category'];
  unset($form_values['_account'], $form_values['op'], $form_values['submit'], $form_values['delete'], $form_values['form_token'], $form_values['form_id'], $form_values['_category']);
  user_module_invoke('submit', $form_values, $account, $category);
  user_save($account, $form_values, $category);

  // Delete that user's menu cache:
  cache_clear_all($account->uid .':', 'cache_menu', TRUE);

  // Clear the page cache because pages can contain usernames and/or profile information:
  cache_clear_all();

  drupal_set_message(t('The changes have been saved.'));
  return 'user/'. $account->uid;
}