function foogallery_settings()
        {
            if (isset($_GET['settings-updated'])) {
                ?>
				<div id="message" class="updated">
					<p><strong><?php 
                printf(__('%s settings updated.', 'foogallery'), foogallery_plugin_name());
                ?>
</strong></p>
				</div>
			<?php 
            }
            $instance = FooGallery_Plugin::get_instance();
            $instance->admin_settings_render_page();
        }

        $img_html = $attachment->html_img($args);
        $images = $gallery->image_count($no_images_text, $single_image_text, $images_text);
        $gallery_link = foogallery_album_build_gallery_link($current_foogallery_album, $gallery);
        ?>
			<li>
				<div class="foogallery-pile">
					<div class="foogallery-pile-inner">
						<a href="<?php 
        echo $gallery_link;
        ?>
">
							<?php 
        echo $img_html;
        ?>
							<?php 
        $title = empty($gallery->name) ? sprintf(__('%s #%s', 'foogallery'), foogallery_plugin_name(), $gallery->ID) : $gallery->name;
        ?>
							<h3><?php 
        echo $title;
        ?>
								<span><?php 
        echo $images;
        ?>
</span>
							</h3>
						</a>
					</div>
				</div>
			</li>

		<?php 

        function get_galleries_html_for_modal()
        {
            $galleries = foogallery_get_all_galleries();
            ob_start();
            foreach ($galleries as $gallery) {
                $img_src = $gallery->featured_image_src(array(200, 200));
                $images = $gallery->image_count();
                ?>
				<li class="foogallery-pile">
					<div class="foogallery-gallery-select" data-foogallery-id="<?php 
                echo $gallery->ID;
                ?>
" style="background: url('<?php 
                echo $img_src;
                ?>
') no-repeat">
						<div class="foogallery-gallery-select-inner" >
							<?php 
                $title = empty($gallery->name) ? sprintf(__('%s #%s', 'foogallery'), foogallery_plugin_name(), $gallery->ID) : $gallery->name;
                ?>
							<h3><?php 
                echo $title;
                ?>
</h3>
							<span><?php 
                echo $images;
                ?>
</span>
							<code>[<?php 
                echo foogallery_gallery_shortcode_tag();
                ?>
 id="<?php 
                echo $gallery->ID;
                ?>
"]</code>
						</div>
					</div>
				</li>
				<?php 
            }
            ?>
				<li class="foogallery-pile">
					<div class="foogallery-gallery-select foogallery-add-gallery">
						<a href="<?php 
            echo esc_url(foogallery_admin_add_gallery_url());
            ?>
" target="_blank" class="thumbnail" style="display: table;">
							<span></span>
							<div class="foogallery-gallery-select-inner" >
								<h3><?php 
            _e('Add New Gallery', 'foogallery');
            ?>
</h3>
							</div>
						</a>
					</div>
				</li>
			<?php 
            return ob_get_clean();
        }

	</div>
<?php 
}
if ($has_errors) {
    ?>
	<div class="foogallery-message-error">
		<p><?php 
    _e('There was a problem loading all the public extensions! Only the default bundled extensions will be shown.', 'foogallery');
    ?>
</p>
	</div>
<?php 
}
?>
	<h1><?php 
printf(__('%s Extensions', 'foogallery'), foogallery_plugin_name());
?>
<span class="spinner"></span></h1>

	<div class="foogallery-text"><?php 
echo $tagline;
?>
</div>
	<?php 
if ($show_foobot) {
    ?>
<div class="foogallery-badge-foobot"></div><?php 
}
?>

	<h2 class="foo-nav-tabs nav-tab-wrapper">

			<h4><?php 
    _e('Easy To Code', 'foogallery');
    ?>
</h4>
			<p><?php 
    printf(__('We have done all the hard work to make your life easier. Creating an extension for %s can be done in a couple lines of code.', 'foogallery'), foogallery_plugin_name());
    ?>
</p>

			<h4><?php 
    _e('Actions and Filters', 'foogallery');
    ?>
</h4>
			<p><?php 
    printf(__('We coded %s with extensibility in mind. There are hundreds of actions and filters and helper functions to change every aspect of the plugin.', 'foogallery'), foogallery_plugin_name());
    ?>
</p>

			<h4><?php 
    _e('Host Anywhere', 'foogallery');
    ?>
</h4>
			<p><?php 
    _e('Host your extensions on the WordPress.org plugin repo, or GitHub, or even in your own Amazon S3 bucket. You have the power and choice!', 'foogallery');
    ?>
</p>

		</div>
	</div>
	<?php 

        function render_import_form($galleries = false)
        {
            if (false === $galleries) {
                $galleries = $this->get_galleries();
            }
            $has_imports = get_option(self::NEXTGEN_OPTION_IMPORT_PROGRESS);
            $overall_progress = $this->get_overall_progress();
            $all_imports_completed = 100 === $overall_progress;
            $import_has_started = $this->import_in_progress();
            $importing = $import_has_started && defined('DOING_AJAX') && DOING_AJAX;
            $current_nextgen_id = get_option(self::NEXTGEN_OPTION_IMPORT_CURRENT, 0);
            ?>
			<table class="wp-list-table widefat" cellspacing="0">
				<thead>
				<tr>
					<th scope="col" id="cb" class="manage-column column-cb check-column">
						<?php 
            if (!$importing && $all_imports_completed) {
                ?>
						<label class="screen-reader-text"
						       for="cb-select-all-1"><?php 
                _e('Select All', 'foogallery');
                ?>
</label>
						<input id="cb-select-all-1" type="checkbox" <?php 
                echo $importing ? 'disabled="disabled"' : '';
                ?>
 checked="checked">
						<?php 
            }
            ?>
					</th>
					<th scope="col" class="manage-column">
						<span><?php 
            _e('NextGen Gallery', 'foogallery');
            ?>
</span>
					</th>
					<th scope="col" id="title" class="manage-column">
						<span><?php 
            printf(__('%s Name', 'foogallery'), foogallery_plugin_name());
            ?>
</span>
					</th>
					<th scope="col" id="title" class="manage-column">
						<span><?php 
            _e('Import Progress', 'foogallery');
            ?>
</span>
					</th>
				</tr>
				</thead>
				<tbody>
			<?php 
            $counter = 0;
            foreach ($galleries as $gallery) {
                $counter++;
                $progress = $this->get_import_progress($gallery->gid);
                $done = $progress->is_completed();
                $edit_link = '';
                $foogallery = false;
                if ($progress->foogallery_id > 0) {
                    $foogallery = FooGallery::get_by_id($progress->foogallery_id);
                    if ($foogallery) {
                        $edit_link = '<a href="' . admin_url('post.php?post=' . $progress->foogallery_id . '&action=edit') . '">' . $foogallery->name . '</a>';
                    } else {
                        $done = false;
                    }
                }
                ?>
				<tr class="<?php 
                echo $counter % 2 === 0 ? 'alternate' : '';
                ?>
">
					<?php 
                if (!$importing && !$done && $all_imports_completed) {
                    ?>
						<th scope="row" class="column-cb check-column">
							<input name="nextgen-id[]" type="checkbox" checked="checked" value="<?php 
                    echo $gallery->gid;
                    ?>
">
						</th>
					<?php 
                } else {
                    if ($importing && $gallery->gid == $current_nextgen_id) {
                        ?>
						<th>
							<div class="dashicons dashicons-arrow-right"></div>
						</th>
					<?php 
                    } else {
                        ?>
						<th>
						</th>
					<?php 
                    }
                }
                ?>
					<td>
//.........这里部分代码省略.........

    ?>
		<div class="foogallery-help">
			<?php 
    _e('Importing galleries is really simple:', 'foogallery');
    ?>
			<ol>
				<li><?php 
    printf(__('Choose the NextGen galleries you want to import into %s by checking their checkboxes.', 'foogallery'), foogallery_plugin_name());
    ?>
</li>
				<li><?php 
    _e('Click the Start Import button to start the import process.', 'foogallery');
    ?>
</li>
				<li><?php 
    printf(__('Once a gallery is imported, you can click on the link under the %s Name column to edit the gallery.', 'foogallery'), foogallery_plugin_name());
    ?>
</li>
			</ol>
			<?php 
    _e('Please note: importing large galleries with lots of images can take a while!', 'foogallery');
    ?>
		</div>

		<form id="nextgen_import_form" method="POST">
			<?php 
    $nextgen->render_import_form($galleries);
    ?>
		</form>
	<?php 
}

 function alter_gallery_template_field($field, $gallery)
 {
     if ($field) {
         switch ($field['type']) {
             case 'thumb_link':
                 $field['type'] = 'radio';
                 $field['choices'] = $this->get_thumb_link_field_choices();
                 break;
             case 'lightbox':
                 $field['lightbox'] = true;
                 $lightboxes = $this->get_lightbox_field_choices();
                 if (1 === count($lightboxes) && array_key_exists('none', $lightboxes)) {
                     $field['type'] = 'html';
                     $field['desc'] = '<strong>' . __('You have no lightbox extensions activated!', 'foogallery') . '</strong><br />';
                     $api = new FooGallery_Extensions_API();
                     if ($api->is_downloaded(false, FOOGALLERY_FOOBOX_FREE_EXTENSION_SLUG)) {
                         //just need to activate it
                         $foobox_install_link = foogallery_build_admin_menu_url(array('page' => 'foogallery-extensions', 'extension' => FOOGALLERY_FOOBOX_FREE_EXTENSION_SLUG, 'action' => 'activate'));
                         $field['desc'] .= '<a target="_blank" href="' . esc_url($foobox_install_link) . '">' . __('Activate FooBox FREE right now!', 'foogallery') . '</a>';
                     } else {
                         //we need to download it
                         $foobox_install_link = foogallery_build_admin_menu_url(array('page' => 'foogallery-extensions', 'extension' => FOOGALLERY_FOOBOX_FREE_EXTENSION_SLUG, 'action' => 'download'));
                         $foobox_install_html = '<a target="_blank" href="' . esc_url($foobox_install_link) . '">' . __('Download and activate FooBox FREE', 'foogallery') . '</a>';
                         $field['desc'] .= sprintf(__('%s which works flawlessly with %s.', 'foogallery'), $foobox_install_html, foogallery_plugin_name());
                     }
                 } else {
                     $field['type'] = 'select';
                     $field['choices'] = $lightboxes;
                 }
                 break;
         }
         if (isset($field['help']) && $field['help']) {
             $field['type'] = 'help';
         }
     }
     return $field;
 }

 function register()
 {
     //allow extensions to override the gallery post type
     $args = apply_filters('foogallery_gallery_posttype_register_args', array('labels' => array('name' => __('Galleries', 'foogallery'), 'singular_name' => __('Gallery', 'foogallery'), 'add_new' => __('Add Gallery', 'foogallery'), 'add_new_item' => __('Add New Gallery', 'foogallery'), 'edit_item' => __('Edit Gallery', 'foogallery'), 'new_item' => __('New Gallery', 'foogallery'), 'view_item' => __('View Gallery', 'foogallery'), 'search_items' => __('Search Galleries', 'foogallery'), 'not_found' => __('No Galleries found', 'foogallery'), 'not_found_in_trash' => __('No Galleries found in Trash', 'foogallery'), 'menu_name' => foogallery_plugin_name(), 'all_items' => __('Galleries', 'foogallery')), 'hierarchical' => false, 'public' => false, 'rewrite' => false, 'show_ui' => true, 'show_in_menu' => true, 'menu_icon' => 'dashicons-format-gallery', 'supports' => array('title', 'thumbnail')));
     register_post_type(FOOGALLERY_CPT_GALLERY, $args);
 }

 function create_settings()
 {
     //region General Tab
     $tabs['general'] = __('General', 'foogallery');
     $gallery_templates = foogallery_gallery_templates();
     $gallery_templates_choices = array();
     foreach ($gallery_templates as $template) {
         $gallery_templates_choices[$template['slug']] = $template['name'];
     }
     $settings[] = array('id' => 'gallery_template', 'title' => __('Default Gallery Template', 'foogallery'), 'desc' => __('The default gallery template to use for new galleries', 'foogallery'), 'default' => foogallery_get_default('gallery_template'), 'type' => 'select', 'choices' => $gallery_templates_choices, 'tab' => 'general', 'section' => __('Gallery Defaults', 'foogallery'));
     $settings[] = array('id' => 'gallery_sorting', 'title' => __('Default Gallery Sorting', 'foogallery'), 'desc' => __('The default attachment sorting to use for new galleries', 'foogallery'), 'default' => '', 'type' => 'select', 'choices' => foogallery_sorting_options(), 'tab' => 'general', 'section' => __('Gallery Defaults', 'foogallery'));
     $galleries = foogallery_get_all_galleries();
     $gallery_choices = array();
     foreach ($galleries as $gallery) {
         $gallery_choices[$gallery->ID] = $gallery->name;
     }
     $settings[] = array('id' => 'default_gallery_settings', 'title' => __('Default Gallery Settings', 'foogallery'), 'desc' => __('When creating a new gallery, it can use the settings from an existing gallery as the default settings. This will save you time when creating many galleries that all have the same look and feel.', 'foogallery'), 'type' => 'select', 'choices' => $gallery_choices, 'tab' => 'general', 'section' => __('Gallery Defaults', 'foogallery'));
     $settings[] = array('id' => 'hide_gallery_template_help', 'title' => __('Hide Gallery Template Help', 'foogallery'), 'desc' => __('Some gallery templates show helpful tips, which are useful for new users. You can choose to hide these tips.', 'foogallery'), 'type' => 'checkbox', 'tab' => 'general', 'section' => __('Admin', 'foogallery'));
     $settings[] = array('id' => 'hide_editor_button', 'title' => __('Hide WYSIWYG Editor Button', 'foogallery'), 'desc' => sprintf(__('If enabled, this will hide the "Add %s" button in the WYSIWYG editor.', 'foogallery'), foogallery_plugin_name()), 'type' => 'checkbox', 'tab' => 'general', 'section' => __('Admin', 'foogallery'));
     //endregion General
     //region Extensions Tab
     $tabs['extensions'] = __('Extensions', 'foogallery');
     $settings[] = array('id' => 'use_future_endpoint', 'title' => __('Use Beta Endpoint', 'foogallery'), 'desc' => __('The list of available extensions are pulled from an external URL. You can also pull from a "beta" endpoint which will sometimes contain beta extensions that are not publicly available.', 'foogallery'), 'type' => 'checkbox', 'tab' => 'extensions');
     //endregion Extensions Tab
     //region Images Tab
     $tabs['thumb'] = __('Images', 'foogallery');
     $settings[] = array('id' => 'thumb_jpeg_quality', 'title' => __('Thumbnail JPEG Quality', 'foogallery'), 'desc' => __('The image quality to be used when resizing JPEG images.', 'foogallery'), 'type' => 'text', 'default' => '80', 'tab' => 'thumb');
     $settings[] = array('id' => 'clear_css_optimizations', 'title' => __('Clear CSS Cache', 'foogallery'), 'desc' => sprintf(__('%s optimizes the way it loads gallery stylesheets to improve page performance. This can lead to the incorrect CSS being loaded in some cases. Use this button to clear all the CSS optimizations that have been cached across all galleries.', 'foogallery'), foogallery_plugin_name()), 'type' => 'clear_optimization_button', 'tab' => 'thumb');
     $settings[] = array('id' => 'thumb_resize_animations', 'title' => __('Resize Animated GIFs', 'foogallery'), 'desc' => __('Should animated gifs be resized or not. If enabled, only the first frame is used in the resize.', 'foogallery'), 'type' => 'checkbox', 'tab' => 'thumb');
     //endregion Thumbnail Tab
     //	        //region Advanced Tab
     //	        $tabs['advanced'] = __( 'Advanced', 'foogallery' );
     //
     //	        $example_url = '<code>' . trailingslashit( site_url() ) . foogallery_permalink() . '/my-cool-gallery</code>';
     //
     //	        $settings[] = array(
     //		        'id'      => 'gallery_permalinks_enabled',
     //		        'title'   => __( 'Enable Friendly URL\'s', 'foogallery' ),
     //		        'desc'    => sprintf( __( 'If enabled, you will be able to access your galleries from a friendly URL e.g. %s', 'foogallery' ), $example_url ),
     //		        'default' => foogallery_get_default( 'gallery_permalinks_enabled' ),
     //		        'type'    => 'checkbox',
     //		        'tab'     => 'advanced',
     //	        );
     //
     //	        $settings[] = array(
     //		        'id'      => 'gallery_permalink',
     //		        'title'   => __( 'Gallery Permalink', 'foogallery' ),
     //		        'desc'    => __( 'If friendly URL\'s are enabled, this is used in building up a friendly URL', 'foogallery' ),
     //		        'default' => foogallery_get_default( 'gallery_permalink' ),
     //		        'type'    => 'text',
     //		        'tab'     => 'advanced',
     //	        );
     //	        //endregion Advanced
     //region Language Tab
     $tabs['language'] = __('Language', 'foogallery');
     $settings[] = array('id' => 'language_images_count_none_text', 'title' => __('Image Count None Text', 'foogallery'), 'type' => 'text', 'default' => __('No images', 'foogallery'), 'tab' => 'language');
     $settings[] = array('id' => 'language_images_count_single_text', 'title' => __('Image Count Single Text', 'foogallery'), 'type' => 'text', 'default' => __('1 image', 'foogallery'), 'tab' => 'language');
     $settings[] = array('id' => 'language_images_count_plural_text', 'title' => __('Image Count Many Text', 'foogallery'), 'type' => 'text', 'default' => __('%s images', 'foogallery'), 'tab' => 'language');
     //endregion Language Tab
     return apply_filters('foogallery_admin_settings_override', array('tabs' => $tabs, 'sections' => array(), 'settings' => $settings));
 }

        public function render_gallery_metabox($post)
        {
            $album = $this->get_album($post);
            $galleries = $this->get_ordered_galleries($album);
            ?>
			<input type="hidden" name="<?php 
            echo FOOGALLERY_CPT_ALBUM;
            ?>
_nonce"
			       id="<?php 
            echo FOOGALLERY_CPT_ALBUM;
            ?>
_nonce"
			       value="<?php 
            echo wp_create_nonce(plugin_basename(FOOGALLERY_FILE));
            ?>
"/>
			<input type="hidden" name='foogallery_album_galleries' id="foogallery_album_galleries"
			       value="<?php 
            echo $album->gallery_id_csv();
            ?>
"/>
			<div>
				<ul class="foogallery-album-gallery-list">
					<?php 
            foreach ($galleries as $gallery) {
                $img_src = $gallery->featured_image_src(array(150, 150));
                $images = $gallery->image_count();
                $selected = $album->includes_gallery($gallery->ID) ? ' selected' : '';
                ?>
						<li class="foogallery-pile">
							<div class="foogallery-gallery-select attachment-preview landscape<?php 
                echo $selected;
                ?>
"
							     data-foogallery-id="<?php 
                echo $gallery->ID;
                ?>
">
								<div class="thumbnail" style="display: table;">
									<div style="display: table-cell; vertical-align: middle; text-align: center;">
										<img src="<?php 
                echo $img_src;
                ?>
"/>
										<?php 
                $title = empty($gallery->name) ? sprintf(__('%s #%s', 'foogallery'), foogallery_plugin_name(), $gallery->ID) : $gallery->name;
                ?>
										<h3><?php 
                echo $title;
                ?>
											<span><?php 
                echo $images;
                ?>
</span>
										</h3>
									</div>
								</div>
							</div>
						</li>
					<?php 
            }
            ?>
				</ul>
				<div style="clear: both;"></div>
			</div>
		<?php 
        }

 public function get_custom_fields()
 {
     $target_options = apply_filters('foogallery_attachment_field_custom_target_options', array('default' => __('Default', 'foogallery'), '_blank' => __('New tab (_blank)', 'foogallery'), '_self' => __('Same tab (_self)', 'foogallery'), 'foobox' => __('FooBox', 'foogallery')));
     $fields = array('foogallery_custom_url' => array('label' => sprintf(__('%s Custom URL', 'foogallery'), foogallery_plugin_name()), 'input' => 'text', 'helps' => __('Point your attachment to a custom URL', 'foogallery'), 'exclusions' => array('audio', 'video')), 'foogallery_custom_target' => array('label' => sprintf(__('%s Custom Target', 'foogallery'), foogallery_plugin_name()), 'input' => 'select', 'helps' => __('Set a custom target for your attachment', 'foogallery'), 'exclusions' => array('audio', 'video'), 'options' => $target_options));
     return apply_filters('foogallery_attachment_custom_fields', $fields);
 }

        function show_nextgen_import_help()
        {
            ?>
			<div class="changelog">

				<div class="feature-section">
					<img src="<?php 
            echo FOOGALLERY_URL . 'assets/screenshots/admin-nextgen-import.jpg';
            ?>
"
					     class="foogallery-help-screenshot"/>

					<h2><?php 
            _e('Import Your NextGen Galleries', 'foogallery');
            ?>
</h2>

					<h4><?php 
            _e('Import Galleries', 'foogallery');
            ?>
</h4>



					<p><?php 
            printf(__('Import all your NextGen galleries in a single click, or choose the galleries you would like to migrate over to %s.', 'foogallery'), foogallery_plugin_name());
            ?>
</p>

					<h4><?php 
            _e('Import Images', 'foogallery');
            ?>
</h4>

					<p><?php 
            _e('NextGen gallery images are imported into your WordPress media library, where they should be!', 'foogallery');
            ?>
</p>

				</div>
			</div>
		<?php 
        }

        return '?';
    }
    // ...otherwise use phpinfo().
    ob_start();
    phpinfo(8);
    $info = ob_get_contents();
    ob_end_clean();
    $info = stristr($info, 'gd version');
    preg_match('/\\d/', $info, $match);
    return $match[0];
}
if (current_user_can('activate_plugins')) {
    $instance = FooGallery_Plugin::get_instance();
    $info = $instance->get_plugin_info();
    $title = apply_filters('foogallery_admin_systeminfo_title', sprintf(__('%s System Information', 'foogallery'), foogallery_plugin_name()));
    $support_text = apply_filters('foogallery_admin_systeminfo_supporttext', sprintf(__('Below is some information about your server configuration. You can use this info to help debug issues you may have with %s.'), foogallery_plugin_name()));
    $api = new FooGallery_Extensions_API();
    //clear any extenasion cache
    $api->clear_cached_extensions();
    $extension_slugs = $api->get_all_slugs();
    //get all gallery templates
    $template_slugs = array();
    foreach (foogallery_gallery_templates() as $template) {
        $template_slugs[] = $template['slug'];
    }
    //get all activated plugins
    $plugins = array();
    foreach (get_option('active_plugins') as $plugin_slug => $plugin) {
        $plugins[] = $plugin;
    }
    $current_theme = wp_get_theme();