| 1 |
<?php |
| 2 |
/* |
| 3 |
Plugin Name: Image Source Control |
| 4 |
Version: 1.3.0 |
| 5 |
Plugin URI: http://webgilde.com/en/image-source-control/ |
| 6 |
Description: The Image Source Control saves the source of an image, lists them and warns if it is missing. |
| 7 |
Author: Thomas Maier |
| 8 |
Author URI: http://www.webgilde.com/ |
| 9 |
License: GPL v3 |
| 10 |
|
| 11 |
Image Source Control Plugin for WordPress |
| 12 |
Copyright (C) 2012, Thomas Maier - thomas.maier@webgilde.com |
| 13 |
|
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This program is free software: you can redistribute it and/or modify |
| 15 |
it under the terms of the GNU General Public License as published by |
| 16 |
the Free Software Foundation, either version 3 of the License, or |
| 17 |
(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
| 20 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 22 |
GNU General Public License for more details. |
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|
| 24 |
You should have received a copy of the GNU General Public License |
| 25 |
along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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* Followed the following tutorials |
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* http://wpengineer.com/2076/add-custom-field-attachment-in-wordpress/ |
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* http://bueltge.de/eigene-felder-dateiverwaltung-wordpress/1226/ (same like above, but in German) |
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* |
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* |
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*/ |
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|
| 34 |
//avoid direct calls to this file |
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if (!function_exists('add_action')) { |
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header('Status: 403 Forbidden'); |
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header('HTTP/1.1 403 Forbidden'); |
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exit(); |
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} |
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|
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define('ISCVERSION', '1.3.0'); |
| 42 |
define('ISCNAME', 'Image Source Control'); |
| 43 |
define('ISCTEXTDOMAIN', 'isc'); |
| 44 |
define('ISCDIR', basename(dirname(__FILE__))); |
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define('ISCPATH', plugin_dir_path(__FILE__)); |
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define('WEBGILDE', 'http://webgilde.com/en/image-source-control'); |
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|
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load_plugin_textdomain(ISCTEXTDOMAIN, false, dirname(plugin_basename(__FILE__)) . '/languages/'); |
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|
| 50 |
if (!class_exists('ISC_CLASS')) { |
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|
| 52 |
class ISC_CLASS |
| 53 |
{ |
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/** |
| 55 |
* define default meta fields |
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*/ |
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protected $_fields = array( |
| 58 |
'image_source' => array( |
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'id' => 'isc_image_source', |
| 60 |
'default' => '', |
| 61 |
), |
| 62 |
'image_source_own' => array( |
| 63 |
'id' => 'isc_image_source_own', |
| 64 |
'default' => '', |
| 65 |
), |
| 66 |
'image_posts' => array( |
| 67 |
'id' => 'isc_image_posts', |
| 68 |
'default' => array() |
| 69 |
) |
| 70 |
); |
| 71 |
|
| 72 |
/** |
| 73 |
* Commonly used text elements |
| 74 |
*/ |
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protected $_common_texts = array(); |
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|
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/** |
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* allowed image file types/extensions |
| 79 |
* @since 1.1 |
| 80 |
*/ |
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protected $_allowedExtensions = array( |
| 82 |
'jpg', 'png', 'gif' |
| 83 |
); |
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|
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/** |
| 86 |
* Thumbnail size in list of all images. |
| 87 |
* @since 1.2 |
| 88 |
*/ |
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protected $_thumbnail_size = array('thumbnail', 'medium', 'large', 'custom'); |
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|
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/** |
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* options saved in the db |
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* @since 1.2 |
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*/ |
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protected $_options = array(); |
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|
| 97 |
/** |
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* Position of image's caption |
| 99 |
*/ |
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protected $_caption_position = array( |
| 101 |
'top-left', |
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'top-center', |
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'top-right', |
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'center', |
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'bottom-left', |
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'bottom-center', |
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'bottom-right' |
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); |
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|
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/** |
| 111 |
* Setup registers filterts and actions. |
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*/ |
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public function __construct() |
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{ |
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// load all plugin options |
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$this->_options = get_option('isc_options'); |
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$this->_common_texts['not_available'] = __('Not available', ISCTEXTDOMAIN); |
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|
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// insert all function for the frontend here |
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|
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add_shortcode('isc_list', array($this, 'list_post_attachments_with_sources_shortcode')); |
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add_shortcode('isc_list_all', array($this, 'list_all_post_attachments_sources_shortcode')); |
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add_action('wp_enqueue_scripts', array($this, 'front_scripts')); |
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add_action('wp_head', array($this, 'front_head')); |
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add_action('the_content', array($this, 'content_filter')); |
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// insert all backend functions below this check |
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if (!current_user_can('upload_files')) { |
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return false; |
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} |
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|
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register_activation_hook(ISCPATH . '/isc.php', array($this, 'activation')); |
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|
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add_action('add_attachment', array($this, 'attachment_added'), 10, 2); |
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add_filter('attachment_fields_to_edit', array($this, 'add_isc_fields'), 10, 2); |
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add_filter('attachment_fields_to_save', array($this, 'isc_fields_save'), 10, 2); |
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|
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add_action('admin_notices', array($this, 'admin_notices')); |
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|
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add_action('admin_menu', array($this, 'create_menu')); |
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add_action('admin_init', array($this, 'SAPI_init')); |
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|
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add_action('admin_enqueue_scripts', array($this, 'add_admin_scripts')); |
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add_action( 'admin_print_scripts', array($this, 'admin_headjs') ); |
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|
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// save image information in meta field when a post is saved |
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add_action('save_post', array($this, 'save_image_information_on_post_save')); |
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} |
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|
| 149 |
public function get_source_by_url($url) |
| 150 |
{ |
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$id = $this->get_image_by_url($url); |
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$metadata['source'] = get_post_meta($id, 'isc_image_source', true); |
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$metadata['own'] = get_post_meta($id, 'isc_image_source_own', true); |
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|
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$source = $this->_common_texts['not_available']; |
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|
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$att_post = get_post($id); |
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|
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if ('' != $metadata['own']) { |
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if ($this->_options['use_authorname']) { |
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if (!empty($att_post)) { |
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$source = get_the_author_meta('display_name', $att_post->post_author); |
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} |
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} else { |
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$source = $this->options['by_author_text']; |
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} |
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} else { |
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if ('' != $metadata['source']) { |
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$source = $metadata['source']; |
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} |
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} |
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return $source; |
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} |
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|
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public function content_filter($content) |
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{ |
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$options = $this->get_isc_options(); |
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if ($options['source_on_image']) { |
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$pattern = '#(\[caption.*align="(.+)"[^\]*]{0,}\])? *(<a [^>]+>)? *(<img .*class=".*(align\d{4,})?.*wp-image-(\d+)\D*".*src="(.+)".*/?>).*(?(3)(?:</a>)|.*).*(?(1)(?:\[/caption\])|.*)#isU'; |
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$count = preg_match_all($pattern, $content, $matches); |
| 181 |
if (false !== $count) { |
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for ($i=0; $i < $count; $i++) { |
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$id = $matches[6][$i]; |
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$src = $matches[7][$i]; |
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$source = '<p class="isc-source-text">' . $options['source_pretext'] . ' ' . $this->get_source_by_url($src) . '</p>'; |
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$old_content = $matches[0][$i]; |
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$new_content = str_replace('wp-image-' . $id, 'wp-image-' . $id . ' with-source', $old_content); |
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$alignment = (!empty($matches[1][$i]))? $matches[2][$i] : $matches[5][$i]; |
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|
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$content = str_replace($old_content, '<div id="isc_attachment_' . $id . '" class="isc-source ' . $alignment . '"> ' . $new_content . $source . '</div>', $content); |
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} |
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} |
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} |
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return $content; |
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} |
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|
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public function attachment_added($att_id) |
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{ |
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foreach ($this->_fields as $field) { |
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update_post_meta($att_id, $field['id'], $field['default']); |
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} |
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} |
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|
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/** |
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* Front-end scripts in <head /> section. |
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*/ |
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public function front_head() |
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{ |
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$options = $this->get_isc_options(); |
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?> |
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<script type="text/javascript"> |
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/* <![CDATA[ */ |
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var isc_front_data = |
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{ |
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caption_position : '<?php echo $options['caption_position']; ?>', |
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} |
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/* ]]> */ |
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</script> |
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<?php |
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} |
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|
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/** |
| 223 |
* Enqueue scripts for the front-end. |
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*/ |
| 225 |
public function front_scripts() { |
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wp_enqueue_script('isc_front_js', plugins_url('/js/front-js.js', __FILE__), array('jquery'), ISCVERSION); |
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} |
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|
| 229 |
/** |
| 230 |
* create the menu pages for isc |
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*/ |
| 232 |
public function create_menu() |
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{ |
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global $isc_missing; |
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global $isc_setting; |
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|
| 237 |
/** |
| 238 |
* Check if the page is already created. |
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*/ |
| 240 |
if (empty($isc_missing)) { |
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// these pages should be accessible by editors and higher |
| 242 |
$isc_missing = add_submenu_page('upload.php', 'missing image sources by Image Source Control Plugin', __('Missing Sources', ISCTEXTDOMAIN), 'edit_others_posts', ISCPATH . '/templates/missing_sources.php', ''); |
| 243 |
$isc_setting = add_options_page(__('Image control - ISC plugin', ISCTEXTDOMAIN), __('Image Control', ISCTEXTDOMAIN), 'edit_others_posts', 'isc_settings_page', array($this, 'render_isc_settings_page')); |
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} |
| 245 |
} |
| 246 |
|
| 247 |
/** |
| 248 |
* add scripts to admin pages |
| 249 |
* @since 1.0 |
| 250 |
* @update 1.1.1 |
| 251 |
*/ |
| 252 |
public function add_admin_scripts($hook) |
| 253 |
{ |
| 254 |
global $isc_setting; |
| 255 |
if ('post.php' == $hook) { |
| 256 |
wp_enqueue_script('isc_postphp_script', plugins_url('/js/post.php.js', __FILE__), array('jquery'), ISCVERSION); |
| 257 |
} |
| 258 |
if ($hook == $isc_setting) { |
| 259 |
wp_enqueue_script('isc_script', plugins_url('/js/isc.js', __FILE__), false, ISCVERSION); |
| 260 |
wp_enqueue_style('isc_image_settings_css', plugins_url('/css/image-settings.css', __FILE__), false, ISCVERSION); |
| 261 |
} |
| 262 |
} |
| 263 |
|
| 264 |
/** |
| 265 |
* add custom field to attachment |
| 266 |
* @param arr $form_fields |
| 267 |
* @param object $post |
| 268 |
* @return arr |
| 269 |
* @since 1.0 |
| 270 |
* @updated 1.1 |
| 271 |
*/ |
| 272 |
public function add_isc_fields($form_fields, $post) |
| 273 |
{ |
| 274 |
// add input field for source |
| 275 |
$form_fields['isc_image_source']['label'] = __('Image Source', ISCTEXTDOMAIN); |
| 276 |
$form_fields['isc_image_source']['value'] = get_post_meta($post->ID, 'isc_image_source', true); |
| 277 |
$form_fields['isc_image_source']['helps'] = __('Include the image source here.', ISCTEXTDOMAIN); |
| 278 |
|
| 279 |
// add checkbox to mark as your own image |
| 280 |
$form_fields['isc_image_source_own']['input'] = 'html'; |
| 281 |
$form_fields['isc_image_source_own']['label'] = ''; |
| 282 |
$form_fields['isc_image_source_own']['helps'] = |
| 283 |
__('Check this box if this is your own image and doesn\'t need a source.', ISCTEXTDOMAIN); |
| 284 |
$form_fields['isc_image_source_own']['html'] = |
| 285 |
"<input type='checkbox' value='1' name='attachments[{$post->ID}][isc_image_source_own]' id='attachments[{$post->ID}][isc_image_source_own]' " |
| 286 |
. checked(get_post_meta($post->ID, 'isc_image_source_own', true), 1, false ) |
| 287 |
. " style=\"width:14px\"/> " |
| 288 |
. __('This is my image', ISCTEXTDOMAIN); |
| 289 |
|
| 290 |
return $form_fields; |
| 291 |
} |
| 292 |
|
| 293 |
/** |
| 294 |
* save image source to post_meta |
| 295 |
* @param object $post |
| 296 |
* @param $attachment |
| 297 |
* @return object $post |
| 298 |
*/ |
| 299 |
public function isc_fields_save($post, $attachment) |
| 300 |
{ |
| 301 |
if (isset($attachment['isc_image_source'])) { |
| 302 |
update_post_meta($post['ID'], 'isc_image_source', $attachment['isc_image_source']); |
| 303 |
} |
| 304 |
update_post_meta($post['ID'], 'isc_image_source_own', $attachment['isc_image_source_own']); |
| 305 |
return $post; |
| 306 |
} |
| 307 |
|
| 308 |
/** |
| 309 |
* create image sources list for all images of this post |
| 310 |
* @since 1.0 |
| 311 |
* @update 1.1 |
| 312 |
* @param int $post_id id of the current post/page |
| 313 |
* @return echo output |
| 314 |
*/ |
| 315 |
public function list_post_attachments_with_sources($post_id = 0) |
| 316 |
{ |
| 317 |
global $post; |
| 318 |
|
| 319 |
if (empty($post_id)) { |
| 320 |
if (!empty($post->ID)) { |
| 321 |
$post_id = $post->ID; |
| 322 |
} else { |
| 323 |
return; |
| 324 |
} |
| 325 |
} |
| 326 |
|
| 327 |
$attachments = get_post_meta($post_id, 'isc_post_images', true); |
| 328 |
// if attachments is an empty string, search for images in it |
| 329 |
if ($attachments == '') { |
| 330 |
$this->save_image_information_on_load(); |
| 331 |
$this->update_image_posts_meta($post_id, $post->post_content); |
| 332 |
|
| 333 |
$attachments = get_post_meta($post_id, 'isc_post_images', true); |
| 334 |
} |
| 335 |
|
| 336 |
$return = ''; |
| 337 |
if (!empty($attachments)) { |
| 338 |
$atts = array(); |
| 339 |
foreach ($attachments as $attachment_id => $attachment_array) { |
| 340 |
$atts[$attachment_id]['title'] = get_the_title($attachment_id); |
| 341 |
$own = get_post_meta($attachment_id, 'isc_image_source_own', true); |
| 342 |
$source = get_post_meta($attachment_id, 'isc_image_source', true); |
| 343 |
|
| 344 |
if ( $own == '' && $source == '' ) { |
| 345 |
// remove if no information set |
| 346 |
unset($atts[$attachment_id]); |
| 347 |
continue; |
| 348 |
} elseif ($own != '') { |
| 349 |
if ($this->_options['use_authorname']) { |
| 350 |
$authorname = ''; |
| 351 |
$att_post = get_post($attachment_id); |
| 352 |
if (null !== $att_post) { |
| 353 |
$authorname = get_the_author_meta('display_name', $att_post->post_author); |
| 354 |
} |
| 355 |
$atts[$attachment_id ]['source'] = $authorname; |
| 356 |
} else { |
| 357 |
$atts[$attachment_id ]['source'] = $this->_options['by_author_text']; |
| 358 |
} |
| 359 |
} else { |
| 360 |
$atts[$attachment_id ]['source'] = $source; |
| 361 |
} |
| 362 |
} |
| 363 |
|
| 364 |
$return = $this->_renderAttachments($atts); |
| 365 |
} |
| 366 |
|
| 367 |
return $return; |
| 368 |
} |
| 369 |
|
| 370 |
/** |
| 371 |
* @param array $attachments |
| 372 |
*/ |
| 373 |
protected function _renderAttachments($attachments) |
| 374 |
{ |
| 375 |
// don't display anything, if no image sources displayed |
| 376 |
if ($attachments == array()) { |
| 377 |
return ; |
| 378 |
} |
| 379 |
|
| 380 |
$options = $this->get_isc_options(); |
| 381 |
$show_text = __('Show the list', ISCTEXTDOMAIN); |
| 382 |
$hide_text = __('Hide the list', ISCTEXTDOMAIN); |
| 383 |
|
| 384 |
ob_start(); |
| 385 |
$headline = $this->_options['image_list_headline']; |
| 386 |
$hide_style = ($options['hide_list'])? 'style="height: 0px; overflow: hidden;"': 'style="height: 100%; overflow: hidden;"'; |
| 387 |
$hide_class = ($options['hide_list'])? ' isc-list-up': ' isc-list-down'; |
| 388 |
$hide_title = ($options['hide_list'])? $show_text : $hide_text; |
| 389 |
printf('<p class="isc_image_list_title" title="%2$s" style="cursor: pointer;">%1$s</p>', $headline, $hide_title); ?> |
| 390 |
<script type="text/javascript"> |
| 391 |
/* <!--[CDATA[ */ |
| 392 |
isc_jstext = { |
| 393 |
show_list: "<?php echo esc_attr($show_text); ?>", |
| 394 |
hide_list: "<?php echo esc_attr($hide_text); ?>" |
| 395 |
} |
| 396 |
/* ]]--> */ |
| 397 |
</script> |
| 398 |
<ul class="isc_image_list <?php echo $hide_class; ?>"<?php echo $hide_style; ?>><?php |
| 399 |
|
| 400 |
foreach ($attachments as $atts_id => $atts_array) { |
| 401 |
if (empty($atts_array['source'])) { |
| 402 |
continue; |
| 403 |
} |
| 404 |
printf('<li>%1$s: %2$s</li>', $atts_array['title'], $atts_array['source']); |
| 405 |
} |
| 406 |
?></ul><?php |
| 407 |
return ob_get_clean(); |
| 408 |
} |
| 409 |
|
| 410 |
/** |
| 411 |
* shortcode function to list all image sources |
| 412 |
* @param arr $atts |
| 413 |
*/ |
| 414 |
public function list_post_attachments_with_sources_shortcode($atts = array()) |
| 415 |
{ |
| 416 |
global $post; |
| 417 |
extract(shortcode_atts(array('id' => 0), $atts)); |
| 418 |
|
| 419 |
// if $id not set, use the current ID from the post |
| 420 |
if (empty($id)) { |
| 421 |
$id = $post->ID; |
| 422 |
} |
| 423 |
|
| 424 |
if (empty($id)) { |
| 425 |
return; |
| 426 |
} |
| 427 |
return $this->list_post_attachments_with_sources($id); |
| 428 |
} |
| 429 |
|
| 430 |
/** |
| 431 |
* get all attachments without sources |
| 432 |
* the downside of this function: is there is not even an empty metakey field, nothing is going to be retrieved |
| 433 |
* @todo fix this in WP 3.5 with compare => 'NOT EXISTS' |
| 434 |
*/ |
| 435 |
public function get_attachments_without_sources() |
| 436 |
{ |
| 437 |
$args = array( |
| 438 |
'post_type' => 'attachment', |
| 439 |
'numberposts' => -1, |
| 440 |
'post_status' => null, |
| 441 |
'post_parent' => null, |
| 442 |
'meta_query' => array( |
| 443 |
// image source is empty |
| 444 |
array( |
| 445 |
'key' => 'isc_image_source', |
| 446 |
'value' => '', |
| 447 |
'compare' => '=', |
| 448 |
), |
| 449 |
// and image source is not set |
| 450 |
array( |
| 451 |
'key' => 'isc_image_source_own', |
| 452 |
'value' => '1', |
| 453 |
'compare' => '!=', |
| 454 |
), |
| 455 |
) |
| 456 |
); |
| 457 |
|
| 458 |
$attachments = get_posts($args); |
| 459 |
if (!empty($attachments)) { |
| 460 |
return $attachments; |
| 461 |
} |
| 462 |
} |
| 463 |
|
| 464 |
/** |
| 465 |
* add meta values to all attachments |
| 466 |
* @todo probably need to fix this when more fields are added along the way |
| 467 |
* @todo use compare => 'NOT EXISTS' when WP 3.5 is up to retrieve only values where it is not set |
| 468 |
* @todo this currently updates all empty fields; empty in this context is empty string, 0, false or not existing; add check if meta field already existed before |
| 469 |
*/ |
| 470 |
public function add_meta_values_to_attachments() |
| 471 |
{ |
| 472 |
// retrieve all attachments |
| 473 |
$args = array( |
| 474 |
'post_type' => 'attachment', |
| 475 |
'numberposts' => -1, |
| 476 |
'post_status' => null, |
| 477 |
'post_parent' => null, |
| 478 |
); |
| 479 |
|
| 480 |
$attachments = get_posts($args); |
| 481 |
if (empty($attachments)) { |
| 482 |
return; |
| 483 |
} |
| 484 |
|
| 485 |
$count = 0; |
| 486 |
foreach ($attachments as $_attachment) { |
| 487 |
$set = false; |
| 488 |
setup_postdata($_attachment); |
| 489 |
foreach ($this->_fields as $_field) { |
| 490 |
$meta = get_post_meta($_attachment->ID, $_field['id'], true); |
| 491 |
if (empty($meta)) { |
| 492 |
update_post_meta($_attachment->ID, $_field['id'], $_field['default']); |
| 493 |
$set = true; |
| 494 |
} |
| 495 |
} |
| 496 |
if ($set) { |
| 497 |
$count++; |
| 498 |
} |
| 499 |
} |
| 500 |
} |
| 501 |
|
| 502 |
/** |
| 503 |
* Display scripts in <head></head> section of admin page. Useful for creating js variables in the js global namespace. |
| 504 |
*/ |
| 505 |
public function admin_headjs() |
| 506 |
{ |
| 507 |
global $pagenow; |
| 508 |
$options = $this->get_isc_options(); |
| 509 |
if ('post.php' == $pagenow) { |
| 510 |
?> |
| 511 |
<script type="text/javascript"> |
| 512 |
/* <![CDATA[ */ |
| 513 |
isc_data = { |
| 514 |
warning_nosource : <?php echo (($options['warning_nosource'])? 'true' : 'false'); ?>, |
| 515 |
block_form_message : '<?php _e('Please specify the image source', ISCTEXTDOMAIN); ?>' |
| 516 |
} |
| 517 |
/* ]]> */ |
| 518 |
</script> |
| 519 |
<?php |
| 520 |
} |
| 521 |
} |
| 522 |
|
| 523 |
/** |
| 524 |
* show the loading image from wp-admin/images/loading.gif |
| 525 |
* @param bool $display should this be displayed directly or hidden? via inline css |
| 526 |
*/ |
| 527 |
public function show_loading_image($display = true) |
| 528 |
{ |
| 529 |
$img_path = admin_url("/images/loading.gif"); |
| 530 |
$file_path = ABSPATH . "wp-admin/images/loading.gif"; |
| 531 |
if (file_exists($file_path)) { |
| 532 |
echo '<span id="isc_loading_img" style="display: none;"><img src="' . $img_path . '" width="16" height="16" alt="loading"/></span>'; |
| 533 |
} |
| 534 |
} |
| 535 |
|
| 536 |
/** |
| 537 |
* this is an entry function to save image information to a post when it is saved |
| 538 |
* @since 1.1 |
| 539 |
* @param type $post_id |
| 540 |
*/ |
| 541 |
public function save_image_information_on_post_save($post_id) |
| 542 |
{ |
| 543 |
// return, if save_post is called more than one time |
| 544 |
if (did_action('save_post') !== 1) { |
| 545 |
return; |
| 546 |
} |
| 547 |
|
| 548 |
if (isset($_POST['post_type']) && 'attachment' == $_POST['post_type']) { |
| 549 |
return; |
| 550 |
} |
| 551 |
|
| 552 |
// check if this is a revision and if so, use parent post id |
| 553 |
if ($_id = wp_is_post_revision($post_id)) { |
| 554 |
$post_id = $_id; |
| 555 |
} |
| 556 |
|
| 557 |
$_content = ''; |
| 558 |
if ( !empty( $_REQUEST['content']) ) $_content = stripslashes($_REQUEST['content']); |
| 559 |
|
| 560 |
// Needs to be called before the 'isc_post_images' field is updated. |
| 561 |
$this->update_image_posts_meta($post_id, $_content); |
| 562 |
|
| 563 |
$this->save_image_information($post_id, $_content); |
| 564 |
} |
| 565 |
|
| 566 |
/** |
| 567 |
* save image information for a post when it is viewed and the image source list is enabled |
| 568 |
* (this is in case the plugin is new and the current post wasn't saved before) |
| 569 |
* |
| 570 |
* @since 1.1 |
| 571 |
*/ |
| 572 |
public function save_image_information_on_load() |
| 573 |
{ |
| 574 |
global $post; |
| 575 |
if (empty($post->ID)) { |
| 576 |
return; |
| 577 |
} |
| 578 |
|
| 579 |
$post_id = $post->ID; |
| 580 |
$_content = $post->post_content; |
| 581 |
|
| 582 |
$this->save_image_information($post_id, $_content); |
| 583 |
} |
| 584 |
|
| 585 |
/** |
| 586 |
* retrieve images added to a post or page and save all information as a meta value |
| 587 |
* @since 1.1 |
| 588 |
* @todo check for more post types that maybe should not be parsed here |
| 589 |
*/ |
| 590 |
public function save_image_information($post_id, $_content) |
| 591 |
{ |
| 592 |
$_image_urls = $this->_filter_src_attributes($_content); |
| 593 |
$_imgs = array(); |
| 594 |
|
| 595 |
foreach ($_image_urls as $_image_url) { |
| 596 |
// get ID of images by url |
| 597 |
$img_id = $this->get_image_by_url($_image_url); |
| 598 |
$_imgs[$img_id] = array( |
| 599 |
'src' => $_image_url |
| 600 |
); |
| 601 |
} |
| 602 |
|
| 603 |
// add thumbnail information |
| 604 |
$thumb_id = get_post_thumbnail_id($post_id); |
| 605 |
|
| 606 |
/** |
| 607 |
* if an image is used both inside the post and as post thumbnail, the thumbnail entry overrides the regular image. |
| 608 |
*/ |
| 609 |
if ( !empty( $thumb_id )) { |
| 610 |
$_imgs[$thumb_id] = array( |
| 611 |
'src' => wp_get_attachment_url($thumb_id), |
| 612 |
'thumbnail' => true |
| 613 |
); |
| 614 |
} |
| 615 |
|
| 616 |
if (empty($_imgs)) { |
| 617 |
$_imgs = false; |
| 618 |
} |
| 619 |
update_post_meta($post_id, 'isc_post_images', $_imgs); |
| 620 |
} |
| 621 |
|
| 622 |
/** |
| 623 |
* filter image src attribute from text |
| 624 |
* @since 1.1 |
| 625 |
* @updated 1.1.3 |
| 626 |
* @return array with image src uris |
| 627 |
*/ |
| 628 |
public function _filter_src_attributes($content = '') |
| 629 |
{ |
| 630 |
$srcs = array(); |
| 631 |
if (empty($content)) |
| 632 |
return $srcs; |
| 633 |
|
| 634 |
// parse HTML with DOM |
| 635 |
$dom = new DOMDocument; |
| 636 |
|
| 637 |
libxml_use_internal_errors(true); |
| 638 |
$dom->loadHTML($content); |
| 639 |
|
| 640 |
// Prevents from sending E_WARNINGs notice (Outputs are forbidden during activation) |
| 641 |
libxml_clear_errors(); |
| 642 |
|
| 643 |
foreach ($dom->getElementsByTagName('img') as $node) { |
| 644 |
$srcs[] = $node->getAttribute('src'); |
| 645 |
} |
| 646 |
|
| 647 |
return $srcs; |
| 648 |
} |
| 649 |
|
| 650 |
/** |
| 651 |
* get image by url accessing the database directly |
| 652 |
* @since 1.1 |
| 653 |
* @updated 1.1.3 |
| 654 |
* @param string $url url of the image |
| 655 |
* @return id of the image |
| 656 |
*/ |
| 657 |
public function get_image_by_url($url = '') |
| 658 |
{ |
| 659 |
if (empty($url)) { |
| 660 |
return 0; |
| 661 |
} |
| 662 |
$types = implode('|', $this->_allowedExtensions); |
| 663 |
// check for the format 'image-title-(e12452112-)300x200.jpg' and remove the image size and edit mark from it |
| 664 |
$newurl = preg_replace("/(-e\d+){0,1}-(\d+)x(\d+)\.({$types})$/i", '.${4}', $url); |
| 665 |
global $wpdb; |
| 666 |
$query = $wpdb->prepare("SELECT ID FROM {$wpdb->posts} WHERE guid = %s", $newurl); |
| 667 |
$id = $wpdb->get_var($query); |
| 668 |
return $id; |
| 669 |
} |
| 670 |
|
| 671 |
/** |
| 672 |
* Update isc_image_posts meta field for all images found in a post with a given ID. |
| 673 |
* @param $post_id ID of the target post |
| 674 |
* @param $content content of the target post |
| 675 |
*/ |
| 676 |
public function update_image_posts_meta($post_id, $content) |
| 677 |
{ |
| 678 |
$image_urls = $this->_filter_src_attributes($content); |
| 679 |
$image_ids = array(); |
| 680 |
$added_images = array(); |
| 681 |
$removed_images = array(); |
| 682 |
|
| 683 |
$isc_post_images = get_post_meta($post_id, 'isc_post_images', true); |
| 684 |
|
| 685 |
foreach ($image_urls as $url) { |
| 686 |
$id = intval($this->get_image_by_url($url)); |
| 687 |
array_push($image_ids, $id); |
| 688 |
if (is_array($isc_post_images) && !array_key_exists($id, $isc_post_images)) { |
| 689 |
array_push($added_images, $id); |
| 690 |
} |
| 691 |
} |
| 692 |
if (is_array($isc_post_images)) { |
| 693 |
foreach ($isc_post_images as $old_id => $value) { |
| 694 |
if (!in_array($old_id, $image_ids)) { |
| 695 |
array_push($removed_images, $old_id); |
| 696 |
} else { |
| 697 |
if (!empty($old_id)) { |
| 698 |
$meta = get_post_meta($old_id, 'isc_image_posts', true); |
| 699 |
if (empty($meta)) { |
| 700 |
update_post_meta($old_id, 'isc_image_posts', array($post_id)); |
| 701 |
} else { |
| 702 |
// In case the isc_image_posts is not up to date |
| 703 |
if (is_array($meta) && !in_array($post_id, $meta)) { |
| 704 |
array_push($meta, $post_id); |
| 705 |
update_post_meta($old_id, 'isc_image_posts', $meta); |
| 706 |
} |
| 707 |
} |
| 708 |
} |
| 709 |
} |
| 710 |
} |
| 711 |
} |
| 712 |
|
| 713 |
foreach ($added_images as $id) { |
| 714 |
$meta = get_post_meta($id, 'isc_image_posts', true); |
| 715 |
if (!is_array($meta) || array() == $meta) { |
| 716 |
update_post_meta($id, 'isc_image_posts', array($post_id)); |
| 717 |
} else { |
| 718 |
array_push($meta, $post_id); |
| 719 |
update_post_meta($id, 'isc_image_posts', $meta); |
| 720 |
} |
| 721 |
} |
| 722 |
|
| 723 |
foreach ($removed_images as $id) { |
| 724 |
$image_meta = get_post_meta($id, 'isc_image_posts', true); |
| 725 |
if (is_array($image_meta)) { |
| 726 |
$offset = array_search($post_id, $image_meta); |
| 727 |
if (false !== $offset) { |
| 728 |
array_splice($image_meta, $offset, 1); |
| 729 |
update_post_meta($id, 'isc_image_posts', $image_meta); |
| 730 |
} |
| 731 |
} |
| 732 |
} |
| 733 |
} |
| 734 |
|
| 735 |
/** |
| 736 |
* create shortcode to list all image sources in the frontend |
| 737 |
* @param array $atts |
| 738 |
* @since 1.1.3 |
| 739 |
* @todo link to the post |
| 740 |
*/ |
| 741 |
public function list_all_post_attachments_sources_shortcode($atts = array()) |
| 742 |
{ |
| 743 |
|
| 744 |
/** |
| 745 |
* @todo why not translate here with the code below? |
| 746 |
* > Because the two if statements below will need to call gettext (again) for comparing values. |
| 747 |
*/ |
| 748 |
extract(shortcode_atts(array( |
| 749 |
'per_page' => 99999, |
| 750 |
'before_links' => '', |
| 751 |
'after_links' => '', |
| 752 |
'prev_text' => '« Previous', |
| 753 |
'next_text' => 'Next »' |
| 754 |
), |
| 755 |
$atts)); |
| 756 |
|
| 757 |
/** |
| 758 |
* @todo why not include this into the array above? |
| 759 |
*/ |
| 760 |
if ('« Previous' == $prev_text) |
| 761 |
$prev_text = __('« Previous', ISCTEXTDOMAIN); |
| 762 |
if ('Next »' == $next_text) |
| 763 |
$next_text = __('Next »', ISCTEXTDOMAIN); |
| 764 |
|
| 765 |
// retrieve all attachments |
| 766 |
$args = array( |
| 767 |
'post_type' => 'attachment', |
| 768 |
'numberposts' => -1, |
| 769 |
'post_status' => null, |
| 770 |
'post_parent' => null, |
| 771 |
'meta_query' => array( |
| 772 |
array( |
| 773 |
'key' => 'isc_image_posts', |
| 774 |
'value' => 'a:0:{}', |
| 775 |
'compare' => '!=' |
| 776 |
) |
| 777 |
) |
| 778 |
/** @todo maybe add offset to not retrieve the first results when not on first page */ |
| 779 |
/** @todo maybe add limit to not retrieve more results than on the current page */ |
| 780 |
/** >No, we need to get total count of attachment with parents for $max_page in the pagination link. */ |
| 781 |
); |
| 782 |
|
| 783 |
$attachments = get_posts($args); |
| 784 |
if (empty($attachments)) { |
| 785 |
return; |
| 786 |
} |
| 787 |
|
| 788 |
$options = $this->get_isc_options(); |
| 789 |
|
| 790 |
$connected_atts = array(); |
| 791 |
|
| 792 |
//Keeps only those ones who have parent |
| 793 |
|
| 794 |
foreach ($attachments as $_attachment) { |
| 795 |
$connected_atts[$_attachment->ID]['source'] = get_post_meta($_attachment->ID, 'isc_image_source', true); |
| 796 |
$connected_atts[$_attachment->ID]['own'] = get_post_meta($_attachment->ID, 'isc_image_source_own', true); |
| 797 |
$connected_atts[$_attachment->ID]['title'] = $_attachment->post_title; |
| 798 |
$connected_atts[$_attachment->ID]['author_name'] = ''; |
| 799 |
if ('' != $connected_atts[$_attachment->ID]['own']) { |
| 800 |
$connected_atts[$_attachment->ID]['author_name'] = get_the_author_meta('display_name', $_attachment->post_author); |
| 801 |
} |
| 802 |
|
| 803 |
$metadata = get_post_meta($_attachment->ID, 'isc_image_posts', true); |
| 804 |
$usage_data = ''; |
| 805 |
|
| 806 |
if (is_array($metadata) && array() != $metadata) { |
| 807 |
$usage_data .= "<ul style='margin: 0;'>"; |
| 808 |
foreach($metadata as $data) { |
| 809 |
$usage_data .= sprintf(__('<li><a href="%1$s" title="View %2$s">%3$s</a></li>', ISCTEXTDOMAIN), |
| 810 |
esc_url(get_permalink($data)), |
| 811 |
esc_attr(get_the_title($data)), |
| 812 |
esc_html(get_the_title($data)) |
| 813 |
); |
| 814 |
} |
| 815 |
$usage_data .= "</ul>"; |
| 816 |
} |
| 817 |
|
| 818 |
$connected_atts[$_attachment->ID]['posts'] = $usage_data; |
| 819 |
} |
| 820 |
|
| 821 |
$total = count($connected_atts); |
| 822 |
|
| 823 |
if (0 == $total) |
| 824 |
return; |
| 825 |
|
| 826 |
$page = isset($_GET['isc-page']) ? intval($_GET['isc-page']) : 1; |
| 827 |
$down_limit = 1; // First page |
| 828 |
|
| 829 |
$up_limit = 1; |
| 830 |
|
| 831 |
if ($per_page < $total) { |
| 832 |
$rem = $total % $per_page; // The Remainder of $total/$per_page |
| 833 |
$up_limit = ($total - $rem) / $per_page; |
| 834 |
if (0 < $rem) { |
| 835 |
$up_limit++; //If rem is positive, add the last page that contains less than $per_page attachment; |
| 836 |
} |
| 837 |
} |
| 838 |
|
| 839 |
ob_start(); |
| 840 |
if ( 2 > $up_limit ) { |
| 841 |
$this->display_all_attachment_list($connected_atts); |
| 842 |
} else { |
| 843 |
$starting_atts = $per_page * ($page - 1); // for page 2 and 3 $per_page start display on $connected_atts[3*(2-1) = 3] |
| 844 |
$paged_atts = array_slice($connected_atts, $starting_atts, $per_page, true); |
| 845 |
$this->display_all_attachment_list($paged_atts); |
| 846 |
$this->pagination_links($up_limit, $before_links, $after_links, $prev_text, $next_text); |
| 847 |
} |
| 848 |
if (isset($options['webgilde']) && true == $options['webgilde']) { |
| 849 |
?> |
| 850 |
<p class="isc-backlink"><?php printf(__('Image list created by <a href="%s" title="Image Source Control">Image Source Control Plugin</a>', ISCTEXTDOMAIN), WEBGILDE); ?></p> |
| 851 |
<?php |
| 852 |
} |
| 853 |
|
| 854 |
$output = ob_get_clean(); |
| 855 |
return $output; |
| 856 |
} |
| 857 |
|
| 858 |
|
| 859 |
/** |
| 860 |
* performs rendering of all attachments list |
| 861 |
* @since 1.1.3 |
| 862 |
*/ |
| 863 |
public function display_all_attachment_list($atts) |
| 864 |
{ |
| 865 |
if (!is_array($atts) || $atts == array()) |
| 866 |
return; |
| 867 |
$options = $this->get_isc_options(); |
| 868 |
?> |
| 869 |
<table> |
| 870 |
<thead> |
| 871 |
<?php if ($options['thumbnail_in_list']) : ?> |
| 872 |
<th><?php _e('Thumbnail', ISCTEXTDOMAIN); ?></th> |
| 873 |
<?php endif; ?> |
| 874 |
<th><?php _e("Attachment's ID", ISCTEXTDOMAIN); ?></th> |
| 875 |
<th><?php _e('Title', ISCTEXTDOMAIN); ?></th> |
| 876 |
<th><?php _e('Attached to', ISCTEXTDOMAIN); ?></th> |
| 877 |
<th><?php _e('Source', ISCTEXTDOMAIN); ?></th> |
| 878 |
</thead> |
| 879 |
<tbody> |
| 880 |
<?php foreach ($atts as $id => $data) : ?> |
| 881 |
<?php |
| 882 |
$source = $this->_common_texts['not_available']; |
| 883 |
if ('' != $data['own']) { |
| 884 |
/** @todo ment for later: this text was used above already; find a place to but it so it is defined only once and used where needed */ |
| 885 |
if ($this->_options['use_authorname']) { |
| 886 |
$source = $data['author_name']; |
| 887 |
} else { |
| 888 |
$source = $this->_options['by_author_text']; |
| 889 |
} |
| 890 |
} else { |
| 891 |
if (!empty($data['source'])) |
| 892 |
$source = $data['source']; |
| 893 |
} |
| 894 |
?> |
| 895 |
<tr> |
| 896 |
<?php |
| 897 |
$v_align = ''; |
| 898 |
if ($options['thumbnail_in_list']) : |
| 899 |
$v_align = 'style="vertical-align: top;"'; |
| 900 |
?> |
| 901 |
<?php if ('custom' != $options['thumbnail_size']) : ?> |
| 902 |
<td><?php echo wp_get_attachment_image($id, $options['thumbnail_size']); ?></td> |
| 903 |
<?php else : ?> |
| 904 |
<td><?php echo wp_get_attachment_image($id, array($options['thumbnail_width'], $options['thumbnail_height'])); ?></td> |
| 905 |
<?php endif; ?> |
| 906 |
<?php endif; ?> |
| 907 |
<td <?php echo $v_align;?>><?php echo $id; ?></td> |
| 908 |
<td <?php echo $v_align;?>><?php echo $data['title']; ?></td> |
| 909 |
<td <?php echo $v_align;?>><?php echo $data['posts']; ?></td> |
| 910 |
<td <?php echo $v_align;?>><?php echo esc_html($source); ?></td> |
| 911 |
</tr> |
| 912 |
<?php endforeach; ?> |
| 913 |
</tbody> |
| 914 |
</table> |
| 915 |
<?php |
| 916 |
} |
| 917 |
|
| 918 |
/** |
| 919 |
* Render pagination links, use $before_links and after_links to wrap pagination links inside an additional block |
| 920 |
* @param int $max_page total page count |
| 921 |
* @param string $before_links optional html to display before pagination links |
| 922 |
* @param string $after_links optional html to display after pagination links |
| 923 |
* @param string $prev_text text for the previous page link |
| 924 |
* @param string $next_text text for the next page link |
| 925 |
* @since 1.1.3 |
| 926 |
* |
| 927 |
*/ |
| 928 |
public function pagination_links($max_page, $before_links, $after_links, $prev_text, $next_text) |
| 929 |
{ |
| 930 |
if ((!isset($max_page)) || (!isset($before_links)) || (!isset($after_links)) || (!isset($prev_text)) || (!isset($next_text))) |
| 931 |
return; |
| 932 |
if (!empty($before_links)) |
| 933 |
echo $before_links; |
| 934 |
?> |
| 935 |
<div class="isc-paginated-links"> |
| 936 |
<?php |
| 937 |
$page = isset($_GET['isc-page']) ? intval($_GET['isc-page']) : 1; |
| 938 |
if ($max_page < $page) { |
| 939 |
$page = $max_page; |
| 940 |
} |
| 941 |
if ($page < 1) { |
| 942 |
$page = 1; |
| 943 |
} |
| 944 |
$min_page = 1; |
| 945 |
$backward_distance = $page - $min_page; |
| 946 |
$forward_distance = $max_page - $page; |
| 947 |
|
| 948 |
$page_link = get_page_link(); |
| 949 |
|
| 950 |
/** |
| 951 |
* Remove the query_string of the page_link (?page_id=xyz for the standard permalink structure), |
| 952 |
* which is already captured in $_SERVER['QUERY_STRING']. |
| 953 |
* @todo replace regex with other value (does WP store the url path without attributes somewhere? |
| 954 |
* >get_page_link() returns the permalink but for the default WP permalink structure, the permalink looks like "http://domain.tld/?p=52", while $_GET |
| 955 |
* still has a field named 'page_id' with the same value of 52. |
| 956 |
*/ |
| 957 |
|
| 958 |
$pos = strpos($page_link, '?'); |
| 959 |
if (false !== $pos) { |
| 960 |
$page_link = substr($page_link, 0, $pos); |
| 961 |
} |
| 962 |
|
| 963 |
/** |
| 964 |
* Unset the actual "$_GET['isc-page']" variable (if is set). Pagination variable will be appended to the new query string with a different value for each |
| 965 |
* pagination link. |
| 966 |
*/ |
| 967 |
|
| 968 |
if (isset($_GET['isc-page'])) { |
| 969 |
unset($_GET['isc-page']); |
| 970 |
} |
| 971 |
|
| 972 |
$query_string = http_build_query($_GET); |
| 973 |
|
| 974 |
$isc_query_tag = ''; |
| 975 |
if (empty($query_string)) { |
| 976 |
$isc_query_tag = '?isc-page='; |
| 977 |
} else { |
| 978 |
$query_string = '?' . $query_string; |
| 979 |
$isc_query_tag = '&isc-page='; |
| 980 |
} |
| 981 |
|
| 982 |
if ($min_page != $page) { |
| 983 |
?> |
| 984 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag . ($page-1); ?>" class="prev page-numbers"><?php echo $prev_text; ?></a> |
| 985 |
<?php |
| 986 |
} |
| 987 |
|
| 988 |
if (5 < $max_page) { |
| 989 |
|
| 990 |
if (3 < $backward_distance) { |
| 991 |
?> |
| 992 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag; ?>1" class="page-numbers">1</a> |
| 993 |
<span class="page-numbers dots">...</span> |
| 994 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag . ($page-2);?>" class="page-numbers"><?php echo $page-2; ?></a> |
| 995 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag . ($page-1);?>" class="page-numbers"><?php echo $page-1; ?></a> |
| 996 |
<span class="page-numbers current"><?php echo $page; ?></span> |
| 997 |
<?php |
| 998 |
} else { |
| 999 |
for ($i = 1; $i <= $page; $i++) { |
| 1000 |
if ($i == $page) { |
| 1001 |
?> |
| 1002 |
<span class="page-numbers current"><?php echo $i; ?></span> |
| 1003 |
<?php |
| 1004 |
} else { |
| 1005 |
?> |
| 1006 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag . $i;?>" class="page-numbers"><?php echo $i; ?></a> |
| 1007 |
<?php |
| 1008 |
} |
| 1009 |
} |
| 1010 |
} |
| 1011 |
|
| 1012 |
if (3 < $forward_distance) { |
| 1013 |
?> |
| 1014 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag . ($page+1);?>" class="page-numbers"><?php echo $page+1; ?></a> |
| 1015 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag . ($page+2);?>" class="page-numbers"><?php echo $page+2; ?></a> |
| 1016 |
<span class="page-numbers dots">...</span> |
| 1017 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag . $max_page;?>" class="page-numbers"><?php echo $max_page; ?></a> |
| 1018 |
<?php |
| 1019 |
} else { |
| 1020 |
for ($i = $page+1; $i <= $max_page; $i++) { |
| 1021 |
?> |
| 1022 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag . $i;?>" class="page-numbers"><?php echo $i; ?></a> |
| 1023 |
<?php |
| 1024 |
} |
| 1025 |
} |
| 1026 |
} else { |
| 1027 |
for ($i = 1; $i <= $max_page; $i++) { |
| 1028 |
if ($i == $page) { |
| 1029 |
?> |
| 1030 |
<span class="page-numbers current"><?php echo $i; ?></span> |
| 1031 |
<?php |
| 1032 |
} else { |
| 1033 |
?> |
| 1034 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag . $i;?>" class="page-numbers"><?php echo $i; ?></a> |
| 1035 |
<?php |
| 1036 |
} |
| 1037 |
} |
| 1038 |
} |
| 1039 |
if ($page != $max_page) { |
| 1040 |
?> |
| 1041 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag . ($page+1);?>" class="next page-numbers"><?php echo $next_text; ?></a> |
| 1042 |
<?php |
| 1043 |
} |
| 1044 |
?> |
| 1045 |
</div> |
| 1046 |
<?php |
| 1047 |
echo $after_links; |
| 1048 |
} |
| 1049 |
|
| 1050 |
/** |
| 1051 |
* The activation function |
| 1052 |
*/ |
| 1053 |
public function activation() |
| 1054 |
{ |
| 1055 |
if (!is_array(get_option('isc_options'))) { |
| 1056 |
update_option( 'isc_options', $this->default_options() ); |
| 1057 |
} |
| 1058 |
$options = $this->get_isc_options(); |
| 1059 |
if (!$options['installed']) { |
| 1060 |
/** |
| 1061 |
* Here, all jobs to perform during first activation, especially options and custom fields. |
| 1062 |
* Important: NO add_action('something', 'somefunction') here. |
| 1063 |
*/ |
| 1064 |
|
| 1065 |
// adds meta fields for attachments |
| 1066 |
$this->add_meta_values_to_attachments(); |
| 1067 |
|
| 1068 |
// set all isc_image_posts meta fields. |
| 1069 |
$this->init_image_posts_metafield(); |
| 1070 |
|
| 1071 |
$options['installed'] = true; |
| 1072 |
update_option('isc_options', $options); |
| 1073 |
} |
| 1074 |
} |
| 1075 |
|
| 1076 |
/** |
| 1077 |
* Returns default options |
| 1078 |
*/ |
| 1079 |
public function default_options() |
| 1080 |
{ |
| 1081 |
$default['image_list_headline'] = __('image sources', ISCTEXTDOMAIN); |
| 1082 |
$default['use_authorname'] = true; |
| 1083 |
$default['by_author_text'] = __('Owned by the author', ISCTEXTDOMAIN); |
| 1084 |
$default['installed'] = false; |
| 1085 |
$default['version'] = ISCVERSION; |
| 1086 |
$default['webgilde'] = false; |
| 1087 |
$default['thumbnail_in_list'] = false; |
| 1088 |
$default['thumbnail_size'] = 'thumbnail'; |
| 1089 |
$default['thumbnail_width'] = 150; |
| 1090 |
$default['thumbnail_height'] = 150; |
| 1091 |
$default['warning_nosource'] = true; |
| 1092 |
$default['warning_onesource_missing'] = true; |
| 1093 |
$default['hide_list'] = false; |
| 1094 |
$default['caption_position'] = 'top-left'; |
| 1095 |
$default['source_on_image'] = false; |
| 1096 |
$default['source_pretext'] = __('Source:', ISCTEXTDOMAIN); |
| 1097 |
return $default; |
| 1098 |
} |
| 1099 |
|
| 1100 |
/** |
| 1101 |
* Settings API initialization |
| 1102 |
*/ |
| 1103 |
public function SAPI_init() |
| 1104 |
{ |
| 1105 |
$this->upgrade_management(); |
| 1106 |
register_setting('isc_options_group', 'isc_options', array($this, 'settings_validation')); |
| 1107 |
add_settings_section('isc_settings_section', '', '__return_false', 'isc_settings_page'); |
| 1108 |
|
| 1109 |
// Starts Page/Post settings group |
| 1110 |
add_settings_field('image_list_headline', __('Image list headline', ISCTEXTDOMAIN), array($this, 'renderfield_list_headline'), 'isc_settings_page', 'isc_settings_section'); |
| 1111 |
/** |
| 1112 |
* All new setting in Page/Post group Here! |
| 1113 |
*/ |
| 1114 |
add_settings_field('hide_list', __('Hide the image list', ISCTEXTDOMAIN), array($this, 'renderfield_hide_list'), 'isc_settings_page', 'isc_settings_section'); |
| 1115 |
// Ends Page/Post settings group |
| 1116 |
|
| 1117 |
// Starts Full images list group |
| 1118 |
add_settings_field('use_thumbnail', __("Use thumbnails in images list", ISCTEXTDOMAIN), array($this, 'renderfield_use_thumbnail'), 'isc_settings_page', 'isc_settings_section'); |
| 1119 |
/** |
| 1120 |
* All new setting in Full images list group Here! |
| 1121 |
*/ |
| 1122 |
add_settings_field('thumbnail_width', __("Thumbnails max-width", ISCTEXTDOMAIN), array($this, 'renderfield_thumbnail_width'), 'isc_settings_page', 'isc_settings_section'); |
| 1123 |
add_settings_field('thumbnail_height', __("Thumbnails max-height", ISCTEXTDOMAIN), array($this, 'renderfield_thumbnail_height'), 'isc_settings_page', 'isc_settings_section'); |
| 1124 |
// Ends Full images list group |
| 1125 |
|
| 1126 |
// Starts Misc settings group |
| 1127 |
add_settings_field('use_authorname', __('Use authors names', ISCTEXTDOMAIN), array($this, 'renderfield_use_authorname'), 'isc_settings_page', 'isc_settings_section'); |
| 1128 |
add_settings_field('by_author_text', __('Custom text for owned images', ISCTEXTDOMAIN), array($this, 'renderfield_byauthor_text'), 'isc_settings_page', 'isc_settings_section'); |
| 1129 |
add_settings_field('webgilde_backlink', __("Link to webgilde's website", ISCTEXTDOMAIN), array($this, 'renderfield_webgile'), 'isc_settings_page', 'isc_settings_section'); |
| 1130 |
/** |
| 1131 |
* All new setting in Misc settings group Here! |
| 1132 |
*/ |
| 1133 |
add_settings_field('source_caption', __("Source as caption on image", ISCTEXTDOMAIN), array($this, 'renderfield_source_caption'), 'isc_settings_page', 'isc_settings_section'); |
| 1134 |
add_settings_field('caption_position', __("Caption position", ISCTEXTDOMAIN), array($this, 'renderfield_caption_pos'), 'isc_settings_page', 'isc_settings_section'); |
| 1135 |
add_settings_field('warning_one_source', __("Warning when there is at least one missing source", ISCTEXTDOMAIN), array($this, 'renderfield_warning_onesource_misisng'), 'isc_settings_page', 'isc_settings_section'); |
| 1136 |
add_settings_field('warning_nosource', __("Warnings when source not available", ISCTEXTDOMAIN), array($this, 'renderfield_warning_nosource'), 'isc_settings_page', 'isc_settings_section'); |
| 1137 |
// Ends Misc settings group |
| 1138 |
} |
| 1139 |
|
| 1140 |
/** |
| 1141 |
* manage data structure upgrading of outdated versions |
| 1142 |
*/ |
| 1143 |
public function upgrade_management() { |
| 1144 |
|
| 1145 |
/* |
| 1146 |
* Since the activation hook is not executed on plugin upgrade, this function checks options in database |
| 1147 |
* during the admin_init hook to handle plugin's upgrade. |
| 1148 |
*/ |
| 1149 |
|
| 1150 |
$options = get_option('isc_options'); |
| 1151 |
|
| 1152 |
if (!is_array($options)) { |
| 1153 |
// special case for version prior to 1.2 (which don't have options) |
| 1154 |
$options = $this->default_options(); |
| 1155 |
$this->init_image_posts_metafield(); |
| 1156 |
$options['installed'] = true; |
| 1157 |
update_option('isc_options', $options); |
| 1158 |
} |
| 1159 |
|
| 1160 |
if (ISCVERSION != $options['version']) { |
| 1161 |
$options = $options + $this->default_options(); |
| 1162 |
$options['version'] = ISCVERSION; |
| 1163 |
update_option('isc_options', $options); |
| 1164 |
} |
| 1165 |
} |
| 1166 |
|
| 1167 |
/** |
| 1168 |
* Image_control's page callback |
| 1169 |
*/ |
| 1170 |
public function render_isc_settings_page() |
| 1171 |
{ |
| 1172 |
?> |
| 1173 |
<div id="icon-options-general" class="icon32"><br></div> |
| 1174 |
<h2><?php _e('Images control settings', ISCTEXTDOMAIN); ?></h2> |
| 1175 |
<div id="isc-admin-wrap"> |
| 1176 |
<form id="image-control-form" method="post" action="options.php"> |
| 1177 |
<div class="postbox isc-setting-group"><?php // Open the div for the first settings group ?> |
| 1178 |
<h3 class="setting-group-head"><?php _e('Post / Page images list', ISCTEXTDOMAIN); ?></h3> |
| 1179 |
<?php |
| 1180 |
settings_fields( 'isc_options_group' ); |
| 1181 |
do_settings_sections( 'isc_settings_page' ); |
| 1182 |
?> |
| 1183 |
</div><?php //Close the last settings group div ?> |
| 1184 |
<p class="submit"> |
| 1185 |
<input type="submit" name="submit" id="submit" class="button button-primary" value="Save Changes"> |
| 1186 |
</p> |
| 1187 |
</form> |
| 1188 |
</div><!-- #isc-admin-wrap --> |
| 1189 |
<?php |
| 1190 |
} |
| 1191 |
|
| 1192 |
/** |
| 1193 |
* image_list field callbacks |
| 1194 |
*/ |
| 1195 |
public function renderfield_list_headline() |
| 1196 |
{ |
| 1197 |
$options = $this->get_isc_options(); |
| 1198 |
$description = __('The headline of the image list added via shortcode or function in your theme.', ISCTEXTDOMAIN); |
| 1199 |
?> |
| 1200 |
<div id="image-list-headline-block"> |
| 1201 |
<label for="list-head"><?php __('Image list headline', ISCTEXTDOMAIN); ?></label> |
| 1202 |
<input type="text" name="isc_options[image_list_headline_field]" id="list-head" value="<?php echo $options['image_list_headline'] ?>" class="regular-text" /> |
| 1203 |
<p><em><?php echo $description; ?></em></p> |
| 1204 |
</div> |
| 1205 |
<?php |
| 1206 |
} |
| 1207 |
|
| 1208 |
public function renderfield_hide_list() |
| 1209 |
{ |
| 1210 |
$options = $this->get_isc_options(); |
| 1211 |
$description = __("Hide the list when the post is loaded. A simple click on the list headline will show the list content.", ISCTEXTDOMAIN); |
| 1212 |
?> |
| 1213 |
<div id="hide-list-block"> |
| 1214 |
<label for="hide-list"><?php _e('Hide the image list of a post', ISCTEXTDOMAIN) ?></label> |
| 1215 |
<input type="checkbox" name="isc_options[hide_list]" id="hide-list" <?php checked($options['hide_list']); ?> /> |
| 1216 |
<p><em><?php echo $description; ?></em></p> |
| 1217 |
</div> |
| 1218 |
</td></tr></tbody></table> |
| 1219 |
</div><!-- .postbox --> |
| 1220 |
<div class="postbox isc-setting-group"> |
| 1221 |
<h3 class="setting-group-head"><?php _e('Full images list', ISCTEXTDOMAIN) ?></h3> |
| 1222 |
<table class="form-table"><tbody><tr><td> |
| 1223 |
<?php |
| 1224 |
} |
| 1225 |
|
| 1226 |
public function renderfield_use_authorname() |
| 1227 |
{ |
| 1228 |
$options = $this->get_isc_options(); |
| 1229 |
$description = __("Display the author's public name as source when the image is owned by the author (the uploader of the image, not necessarily the author of the post the image is displayed on). Uncheck to use a custom text instead.", ISCTEXTDOMAIN); |
| 1230 |
|
| 1231 |
?> |
| 1232 |
<div id="use-authorname-block"> |
| 1233 |
<label for="use_authorname"><?php _e('Use author name', ISCTEXTDOMAIN) ?></label> |
| 1234 |
<input type="checkbox" name="isc_options[use_authorname_ckbox]" id="use_authorname" <?php checked($options['use_authorname']); ?> /> |
| 1235 |
<p><em><?php echo $description; ?></em></p> |
| 1236 |
</div> |
| 1237 |
<?php |
| 1238 |
} |
| 1239 |
|
| 1240 |
public function renderfield_byauthor_text() |
| 1241 |
{ |
| 1242 |
$options = $this->get_isc_options(); |
| 1243 |
$description = __("Enter the custom text to display if you do not want to use the author's public name.", ISCTEXTDOMAIN); |
| 1244 |
?> |
| 1245 |
<div id="by-author-text"> |
| 1246 |
<input type="text" id="byauthor" name="isc_options[by_author_text_field]" value="<?php echo $options['by_author_text']; ?>" <?php disabled($options['use_authorname']); ?> class="regular-text" /> |
| 1247 |
<p><em><?php echo $description; ?></em></p> |
| 1248 |
</div> |
| 1249 |
<?php |
| 1250 |
} |
| 1251 |
|
| 1252 |
public function renderfield_webgile() |
| 1253 |
{ |
| 1254 |
$options = $this->get_isc_options(); |
| 1255 |
$description = sprintf(__('Display a link to <a href="%s">Image Source Control plugin's website</a> below the list of all images in the blog?', ISCTEXTDOMAIN), WEBGILDE); |
| 1256 |
?> |
| 1257 |
<div id="webgilde-block"> |
| 1258 |
<input type="checkbox" id="webgilde-link" name="isc_options[webgilde_field]" <?php checked($options['webgilde']); ?> /> |
| 1259 |
<p><em><?php echo $description; ?></em></p> |
| 1260 |
</div> |
| 1261 |
<?php |
| 1262 |
} |
| 1263 |
|
| 1264 |
public function renderfield_use_thumbnail() |
| 1265 |
{ |
| 1266 |
$options = $this->get_isc_options(); |
| 1267 |
$description = __('Display thumbnails on the list of all images in the blog.' ,ISCTEXTDOMAIN); |
| 1268 |
?> |
| 1269 |
<div id="use-thumbnail-block"> |
| 1270 |
<input type="checkbox" id="use-thumbnail" name="isc_options[use_thumbnail]" value="1" <?php checked($options['thumbnail_in_list']); ?> /> |
| 1271 |
<select id="thumbnail-size-select" name="isc_options[size_select]" <?php disabled(!$options['thumbnail_in_list']) ?>> |
| 1272 |
<?php foreach ($this->_thumbnail_size as $size) : ?> |
| 1273 |
<option value="<?php echo $size; ?>" <?php selected($size, $options['thumbnail_size']);?>><?php echo $size; ?></option> |
| 1274 |
<?php endforeach; ?> |
| 1275 |
</select> |
| 1276 |
<p><em><?php echo $description; ?></em></p> |
| 1277 |
</div> |
| 1278 |
<?php |
| 1279 |
} |
| 1280 |
|
| 1281 |
public function renderfield_thumbnail_width() |
| 1282 |
{ |
| 1283 |
$options = $this->get_isc_options(); |
| 1284 |
$description = __('Custom value of the maximum allowed width for thumbnail.' ,ISCTEXTDOMAIN); |
| 1285 |
?> |
| 1286 |
<div id="thumbnail-custom-width"> |
| 1287 |
<input type="text" id="custom-width" name="isc_options[thumbnail_width]" class="small-text" value="<?php echo $options['thumbnail_width'] ?>" /> px |
| 1288 |
<p><em><?php echo $description; ?></em></p> |
| 1289 |
</div> |
| 1290 |
<?php |
| 1291 |
} |
| 1292 |
|
| 1293 |
public function renderfield_thumbnail_height() |
| 1294 |
{ |
| 1295 |
$options = $this->get_isc_options(); |
| 1296 |
$description = __('Custom value of the maximum allowed height for thumbnail.' ,ISCTEXTDOMAIN); |
| 1297 |
?> |
| 1298 |
<div id="thumbnail-custom-height"> |
| 1299 |
<input type="text" id="custom-height" name="isc_options[thumbnail_height]" class="small-text" value="<?php echo $options['thumbnail_height'] ?>"/> px |
| 1300 |
<p><em><?php echo $description; ?></em></p> |
| 1301 |
</div> |
| 1302 |
</td></tr></tbody></table> |
| 1303 |
</div><!-- .postbox --> |
| 1304 |
<div class="postbox isc-setting-group"> |
| 1305 |
<h3 class="setting-group-head"><?php _e('Miscellaneous settings', ISCTEXTDOMAIN); ?></h3> |
| 1306 |
<table class="form-table"><tbody><tr><td> |
| 1307 |
<?php |
| 1308 |
} |
| 1309 |
|
| 1310 |
public function renderfield_warning_nosource() |
| 1311 |
{ |
| 1312 |
$options = $this->get_isc_options(); |
| 1313 |
$description = __('Warn and prevent data to be saved when an attachment is edited and the source has not been specified.' ,ISCTEXTDOMAIN); |
| 1314 |
?> |
| 1315 |
<div id="no-source-block"> |
| 1316 |
<input type="checkbox" id="no-source" name="isc_options[no_source]"value="1" <?php checked($options['warning_nosource']); ?>/> |
| 1317 |
<p><em><?php echo $description; ?></em></p> |
| 1318 |
</div> |
| 1319 |
<?php |
| 1320 |
} |
| 1321 |
|
| 1322 |
public function renderfield_warning_onesource_misisng() |
| 1323 |
{ |
| 1324 |
$options = $this->get_isc_options(); |
| 1325 |
$description = __('Display an admin notice in admin pages when one or more image sources are missing.' ,ISCTEXTDOMAIN); |
| 1326 |
?> |
| 1327 |
<div id="one-source-block"> |
| 1328 |
<input type="checkbox" id="one-source" name="isc_options[one_source]"value="1" <?php checked($options['warning_onesource_missing']); ?>/> |
| 1329 |
<p><em><?php echo $description; ?></em></p> |
| 1330 |
</div> |
| 1331 |
<?php |
| 1332 |
} |
| 1333 |
|
| 1334 |
public function renderfield_caption_pos() |
| 1335 |
{ |
| 1336 |
$options = $this->get_isc_options(); |
| 1337 |
$description = __('Position of captions into images' ,ISCTEXTDOMAIN); |
| 1338 |
?> |
| 1339 |
<div id="caption-position-block"> |
| 1340 |
<select id="caption-pos" name="isc_options[cap_pos]"> |
| 1341 |
<?php foreach ($this->_caption_position as $pos) : ?> |
| 1342 |
<option value="<?php echo $pos; ?>" <?php selected($pos, $options['caption_position']); ?>><?php echo $pos; ?></option> |
| 1343 |
<?php endforeach; ?> |
| 1344 |
</select> |
| 1345 |
<p><em><?php echo $description; ?></em></p> |
| 1346 |
</div> |
| 1347 |
<?php |
| 1348 |
} |
| 1349 |
|
| 1350 |
public function renderfield_source_caption() |
| 1351 |
{ |
| 1352 |
$options = $this->get_isc_options(); |
| 1353 |
$description_checkbox = __('Tick to display source onto each image.' ,ISCTEXTDOMAIN); |
| 1354 |
$description_textfield = __('The text preceding the source on each image.' ,ISCTEXTDOMAIN); |
| 1355 |
?> |
| 1356 |
<div id="caption-block"> |
| 1357 |
<input type="checkbox" id="source-on-image" value="1" name="isc_options[source_on_image]" <?php checked($options['source_on_image']); ?> /> |
| 1358 |
<p><em><?php echo $description_checkbox; ?></em></p> |
| 1359 |
<input type="text" id='source-pretext' name="isc_options[source_pretext]" value="<?php echo $options['source_pretext']; ?>" /> |
| 1360 |
<p><em><?php echo $description_textfield; ?></em></p> |
| 1361 |
</div> |
| 1362 |
<?php |
| 1363 |
} |
| 1364 |
|
| 1365 |
/** |
| 1366 |
* Returns isc_options if it exists, returns the default options otherwise. |
| 1367 |
*/ |
| 1368 |
public function get_isc_options() { |
| 1369 |
return get_option('isc_options', $this->default_options()); |
| 1370 |
} |
| 1371 |
|
| 1372 |
/* |
| 1373 |
* Input validation function. |
| 1374 |
* @param array $input values from the admin panel |
| 1375 |
*/ |
| 1376 |
public function settings_validation($input) |
| 1377 |
{ |
| 1378 |
$output = $this->get_isc_options(); |
| 1379 |
$output['image_list_headline'] = esc_html($input['image_list_headline_field']); |
| 1380 |
if (isset($input['use_authorname_ckbox'])) { |
| 1381 |
// Don't worry about the custom text if the author name is selected. |
| 1382 |
$output['use_authorname'] = true; |
| 1383 |
} else { |
| 1384 |
$output['use_authorname'] = false; |
| 1385 |
$output['by_author_text'] = esc_html($input['by_author_text_field']); |
| 1386 |
} |
| 1387 |
if (isset($input['webgilde_field'])) { |
| 1388 |
$output['webgilde'] = true; |
| 1389 |
} else { |
| 1390 |
$output['webgilde'] = false; |
| 1391 |
} |
| 1392 |
if (isset($input['use_thumbnail'])) { |
| 1393 |
$output['thumbnail_in_list'] = true; |
| 1394 |
if (in_array($input['size_select'], $this->_thumbnail_size)) { |
| 1395 |
$output['thumbnail_size'] = $input['size_select']; |
| 1396 |
} |
| 1397 |
if ('custom' == $input['size_select']) { |
| 1398 |
if (is_numeric($input['thumbnail_width'])) { |
| 1399 |
// Ensures that the value stored in database in a positive integer. |
| 1400 |
$output['thumbnail_width'] = abs(intval(round($input['thumbnail_width']))); |
| 1401 |
} |
| 1402 |
if (is_numeric($input['thumbnail_height'])) { |
| 1403 |
$output['thumbnail_height'] = abs(intval(round($input['thumbnail_height']))); |
| 1404 |
} |
| 1405 |
} |
| 1406 |
} else { |
| 1407 |
$output['thumbnail_in_list'] = false; |
| 1408 |
} |
| 1409 |
if (isset($input['no_source'])) { |
| 1410 |
$output['warning_nosource'] = true; |
| 1411 |
} else { |
| 1412 |
$output['warning_nosource'] = false; |
| 1413 |
} |
| 1414 |
if (isset($input['one_source'])) { |
| 1415 |
$output['warning_onesource_missing'] = true; |
| 1416 |
} else { |
| 1417 |
$output['warning_onesource_missing'] = false; |
| 1418 |
} |
| 1419 |
if (isset($input['hide_list'])){ |
| 1420 |
$output['hide_list'] = true; |
| 1421 |
} else { |
| 1422 |
$output['hide_list'] = false; |
| 1423 |
} |
| 1424 |
if (in_array($input['cap_pos'], $this->_caption_position)) |
| 1425 |
$output['caption_position'] = $input['cap_pos']; |
| 1426 |
if (isset($input['source_on_image'])) { |
| 1427 |
$output['source_on_image'] = true; |
| 1428 |
$output['source_pretext'] = $input['source_pretext']; |
| 1429 |
} else { |
| 1430 |
$output['source_on_image'] = false; |
| 1431 |
} |
| 1432 |
return $output; |
| 1433 |
} |
| 1434 |
|
| 1435 |
/** |
| 1436 |
* Adds isc_image_posts on all attachments. Launched during first installation. |
| 1437 |
*/ |
| 1438 |
public function init_image_posts_metafield() |
| 1439 |
{ |
| 1440 |
$args = array( |
| 1441 |
'post_type' => 'any', |
| 1442 |
'numberposts' => -1, |
| 1443 |
'post_status' => null, |
| 1444 |
'post_parent' => null, |
| 1445 |
); |
| 1446 |
$posts = get_posts($args); |
| 1447 |
foreach ($posts as $post) { |
| 1448 |
setup_postdata($post); |
| 1449 |
$image_urls = $this->_filter_src_attributes($post->post_content); |
| 1450 |
$image_ids = array(); |
| 1451 |
foreach ($image_urls as $url) { |
| 1452 |
$image_id = intval($this->get_image_by_url($url)); |
| 1453 |
array_push($image_ids,$image_id); |
| 1454 |
} |
| 1455 |
foreach ($image_ids as $id) { |
| 1456 |
$meta = get_post_meta($id, 'isc_image_posts', true); |
| 1457 |
if (empty($meta)) { |
| 1458 |
update_post_meta($id, 'isc_image_posts', array($post->ID)); |
| 1459 |
} else { |
| 1460 |
if (!in_array($post->ID, $meta)) { |
| 1461 |
array_push($meta, $post->ID); |
| 1462 |
update_post_meta($id, 'isc_image_posts', $meta); |
| 1463 |
} |
| 1464 |
} |
| 1465 |
} |
| 1466 |
} |
| 1467 |
} |
| 1468 |
|
| 1469 |
/** |
| 1470 |
* |
| 1471 |
*/ |
| 1472 |
public function admin_notices() |
| 1473 |
{ |
| 1474 |
$args = array( |
| 1475 |
'post_type' => 'attachment', |
| 1476 |
'numberposts' => -1, |
| 1477 |
'post_status' => null, |
| 1478 |
'post_parent' => null, |
| 1479 |
'meta_query' => array( |
| 1480 |
array( |
| 1481 |
'key' => 'isc_image_source', |
| 1482 |
'value' => '', |
| 1483 |
'compare' => '=' |
| 1484 |
), |
| 1485 |
array( |
| 1486 |
'key' => 'isc_image_source_own', |
| 1487 |
'value' => '', |
| 1488 |
'compare' => '' |
| 1489 |
) |
| 1490 |
) |
| 1491 |
); |
| 1492 |
$attachments = get_posts($args); |
| 1493 |
$options = $this->get_isc_options(); |
| 1494 |
if (!empty($attachments) && $options['warning_onesource_missing'] ) { |
| 1495 |
$missing_src = esc_url(admin_url('upload.php?page=image-source-control-isc/templates/missing_sources.php')); |
| 1496 |
?> |
| 1497 |
<div class="updated"><p><?php printf(__('One or more attachments still have no source. See the <a href="%s">missing sources</a> list', ISCTEXTDOMAIN), $missing_src);?></p></div> |
| 1498 |
<?php |
| 1499 |
} |
| 1500 |
} |
| 1501 |
|
| 1502 |
}// end of class |
| 1503 |
|
| 1504 |
$inc_path = ABSPATH . 'wp-includes/'; |
| 1505 |
/** |
| 1506 |
* "pluggable.php" is not defined at this point. Not sure about the reason. |
| 1507 |
*/ |
| 1508 |
require_once($inc_path . 'pluggable.php'); |
| 1509 |
|
| 1510 |
/** |
| 1511 |
* Need an instance of ISC_CLASS when the register_activation_hook is called (earlier than the "plugins_loaded" hook). |
| 1512 |
*/ |
| 1513 |
global $my_isc; |
| 1514 |
$my_isc = new ISC_CLASS(); |
| 1515 |
|
| 1516 |
/** |
| 1517 |
* the next functions are just to have an easier access from outside the class |
| 1518 |
*/ |
| 1519 |
function isc_list($post_id = 0) { |
| 1520 |
$isc = new ISC_CLASS(); |
| 1521 |
echo $isc->list_post_attachments_with_sources($post_id); |
| 1522 |
} |
| 1523 |
} |
| 1524 |
|
