imagecache_profiles.module in ImageCache Profiles 5

File

imagecache_profiles.module

<?php

/**
 * Implementation of hook_help().
 */
function imagecache_profiles_help($section) {
  switch ($section) {
    case 'admin/modules#description':
      return t('utilizes imagecache presets for user profile pictures');
  }
}

/**
 * Theme override for user.module
 * Utilize imagecache module to scale down large uploaded profile pictures
 * @param $size
 *   ImageCache preset applied to user images set at admin/user/settings
 */
function phptemplate_user_picture($account, $size = NULL) {
  if (variable_get('user_pictures', 0)) {
    if (variable_get('user_picture_imagecache_profiles_default', 0)) {

      // Define default user picture size
      $defaultquery = db_query("SELECT presetname FROM {imagecache_preset} WHERE presetid = '%s'", variable_get('user_picture_imagecache_profiles_default', 0));
      $size = db_result($defaultquery);
    }

    // If on user profile page
    if (arg(0) == 'user' && is_numeric(arg(1))) {
      if (variable_get('user_picture_imagecache_profiles', 0)) {
        $query = db_query("SELECT presetname FROM {imagecache_preset} WHERE presetid = '%s'", variable_get('user_picture_imagecache_profiles', 0));
        $size = db_result($query);
      }
    }

    // If viewing a comment, test for subject and comment for preview.
    if ($account->cid || isset($account->comment) && isset($account->subject)) {
      if (variable_get('user_picture_imagecache_comments', 0)) {
        $query = db_query("SELECT presetname FROM {imagecache_preset} WHERE presetid = '%s'", variable_get('user_picture_imagecache_comments', 0));
        $size = db_result($query);
      }
    }
    $alt = t("@user's picture", array(
      '@user' => $account->name ? $account->name : variable_get('anonymous', t('Anonymous')),
    ));
    if ($account->picture && file_exists($account->picture)) {
      if (isset($size)) {
        $picture = theme('imagecache', $size, $account->picture, $alt, $alt);
      }
      else {
        $picture = theme('image', file_create_url($account->picture), $alt, $alt, '', FALSE);
      }
    }
    else {
      if (variable_get('user_picture_default', '')) {
        $picture = variable_get('user_picture_default', '');
        if (isset($size)) {
          $picture = theme('imagecache', $size, $picture, $alt, $alt);
        }
        else {
          $picture = theme('image', file_create_url($picture), $alt, $alt, '', FALSE);
        }
      }
    }
    if (isset($picture)) {
      if (!empty($account->uid) && user_access('access user profiles')) {
        $picture = l($picture, "user/{$account->uid}", array(
          'title' => t('View user profile.'),
        ), NULL, NULL, FALSE, TRUE);
      }
      return '<div class="picture">' . $picture . '</div>';
    }
  }
}

/**
 * Implementation of hook_form_alter().
 */
function imagecache_profiles_form_alter($form_id, &$form) {
  switch ($form_id) {
    case 'user_edit':
      $form['#validate']['imagecache_profiles_user_edit_validate'] = array();
      $form['#submit']['imagecache_profiles_user_edit_submit'] = array();
      break;
    case 'user_admin_settings':

      // Load imagecache presets
      $result = db_query('SELECT presetid, presetname FROM {imagecache_preset} ORDER BY presetname');
      $presets[] = '';
      while ($row = db_fetch_array($result)) {
        $presets[$row['presetid']] .= $row['presetname'];
      }
      $form['pictures']['user_picture_imagecache_profiles'] = array(
        '#type' => 'select',
        '#title' => t('Set user profile picture size with this ImageCache preset'),
        '#default_value' => variable_get('user_picture_imagecache_profiles', ''),
        '#options' => $presets,
        '#description' => t("This will set the picture size when viewing a user's profile page."),
      );
      $form['pictures']['user_picture_imagecache_comments'] = array(
        '#type' => 'select',
        '#title' => t('Set the user picture size within comments with this ImageCache preset'),
        '#default_value' => variable_get('user_picture_imagecache_comments', ''),
        '#options' => $presets,
        '#description' => t("This will set the picture size when viewing a comment post."),
      );
      $form['pictures']['user_picture_imagecache_profiles_default'] = array(
        '#type' => 'select',
        '#title' => t('Set default user picture size with this ImageCache preset'),
        '#default_value' => variable_get('user_picture_imagecache_profiles_default', ''),
        '#options' => $presets,
        '#description' => t('This will set the default user picture size throughout the site.'),
      );
      $form['pictures']['user_picture_imagecache_profiles_min_width'] = array(
        '#type' => 'textfield',
        '#title' => t('Picture minimum width'),
        '#default_value' => variable_get('user_picture_imagecache_profiles_min_width', ''),
        '#description' => t('Minimum width dimension for picture, in pixels.'),
        '#size' => 10,
      );
      $form['pictures']['user_picture_imagecache_profiles_min_height'] = array(
        '#type' => 'textfield',
        '#title' => t('Picture minimum height'),
        '#default_value' => variable_get('user_picture_imagecache_profiles_min_height', ''),
        '#description' => t('Minimum height dimension for picture, in pixels.'),
        '#size' => 10,
      );
      $form['#submit']['imagecache_profiles_user_admin_settings_submit'] = array();
      break;
  }
}

/**
 * Additional form validation for the user_edit form
 */
function imagecache_profiles_user_edit_validate($form_id, $form_values) {

  // Add a minimum size requirement to the image upload form
  if ($info = file_check_upload('picture_upload')) {
    $image_info = image_get_info($form_values['picture']);
    if ($image_info['width'] < variable_get('user_picture_imagecache_profiles_min_width', 0) || $image_info['height'] < variable_get('user_picture_imagecache_profiles_min_height', 0)) {
      form_set_error('picture_upload', t('The image must be at least @min_user_picture_width pixels wide and @min_user_picture_height pixels tall (your image was @width x @height pixels).', array(
        '@min_user_picture_width' => check_plain(variable_get('user_picture_imagecache_profiles_min_width', 0)),
        '@min_user_picture_height' => check_plain(variable_get('user_picture_imagecache_profiles_min_height', 0)),
        '@width' => $image_info['width'],
        '@height' => $image_info['height'],
      )));
    }
  }
}

/**
 * Check for new or deleted uploads and clear the imagecache if necessary
 */
function imagecache_profiles_user_edit_submit($form_id, $form_values) {
  if (file_check_upload('picture_upload') || $form_values['picture_delete']) {
    imagecache_image_flush($form_values['picture']);
  }
}

/**
 * Check submitted form values and set variables or delete as necessary
 */
function imagecache_profiles_user_admin_settings_submit($form_id, $form_values) {
  if ($form_values['user_picture_imagecache_profiles'] != '0') {
    variable_set('user_picture_imagecache_profiles', check_plain($form_values['user_picture_imagecache_profiles']));
  }
  else {
    variable_del('user_picture_imagecache_profiles');
  }
  if ($form_values['user_picture_imagecache_comments'] != '0') {
    variable_set('user_picture_imagecache_comments', check_plain($form_values['user_picture_imagecache_comments']));
  }
  else {
    variable_del('user_picture_imagecache_comments');
  }
  if ($form_values['user_picture_imagecache_profiles_default'] != '0') {
    variable_set('user_picture_imagecache_profiles_default', check_plain($form_values['user_picture_imagecache_profiles_default']));
  }
  else {
    variable_del('user_picture_imagecache_profiles_default');
  }
  if ($form_values['user_picture_imagecache_profiles_min_width'] != '') {
    variable_set('user_picture_imagecache_profiles_min_width', check_plain($form_values['user_picture_imagecache_profiles_min_width']));
  }
  else {
    variable_del('user_picture_imagecache_profiles_min_width');
  }
  if ($form_values['user_picture_imagecache_profiles_min_height'] != '') {
    variable_set('user_picture_imagecache_profiles_min_height', check_plain($form_values['user_picture_imagecache_profiles_min_height']));
  }
  else {
    variable_del('user_picture_imagecache_profiles_min_height');
  }
}

Functions

Name	Description
imagecache_profiles_form_alter	Implementation of hook_form_alter().
imagecache_profiles_help	Implementation of hook_help().
imagecache_profiles_user_admin_settings_submit	Check submitted form values and set variables or delete as necessary
imagecache_profiles_user_edit_submit	Check for new or deleted uploads and clear the imagecache if necessary
imagecache_profiles_user_edit_validate	Additional form validation for the user_edit form
phptemplate_user_picture	Theme override for user.module Utilize imagecache module to scale down large uploaded profile pictures