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Dziękuję bardzo!

Musiałem co nieco do tego dojść jak to działa, bo jako takich ustawień nie znalazłem. Natomiast wszystko było w widgetach i tam się pojawiał download. Próbowałem ten kod, wzorując się na screenach, wrzucić do wpisu, ale nie działał.

Wywaliłem widget i przeczytałem opis wtyczki, tam przytoczony kod działa i wszystko jest ok, no może prawie i wymaga to dostosowania pod siebie 😉

Poradziłem sobie z usunięciem niepotrzebnych kolumn i zmianą zajmowanej szerokości przez resztę.

Ale, nie sortuje we wpisie od A-Z tylko jakoś po swojemu 😉

Plik cip4-folder-download-widget/cip4-download.php:

<?php

	// get param
	$target = $_GET['target'];
	$infoPath = $_GET['info'];

	$rootPath = '../../../';

	$infoPath = $rootPath . $infoPath;
	$target = $rootPath . $target;

	if(file_exists($infoPath)) {

		$csvInfos = array();

		// read info csv
		$infoFile = fopen($infoPath,"r");
		while (($line = fgetcsv($infoFile)) !== FALSE) {#
			$csvInfos[$line[0]] = $line;
		}
		fclose($infoFile);

		// extract filename for target
		$file = substr( $target, strrpos( $target, '/' ) + 1 );

		// increment downloads value
		if ($csvInfos[$file] != '') {
			$downloads = $csvInfos[$file][1];
			$downloads ++;
			$csvInfos[$file][1] = $downloads;
		} 

		// update .cip4-download-info file
		$fp = fopen($infoPath, 'w');

		foreach ($csvInfos as $row) {
		    fputcsv($fp, $row);
		}

		fclose($fp);
	} 

	// redirect to download
	header('Content-Description: File Transfer');
    header('Content-Disposition: attachment; filename="' . basename($target) . '"');
	header('Content-Type: application/octet-stream');
    header('Content-Length: ' . filesize($target));
    readfile($target, true);
?>

Plik cip4-folder-download-widget/cip4-folder-download-widget.php:

<?php
/**
 * Plugin Name: CIP4 Folder Download Widget
 * Description: A widget that list all files in a defined folder for download.
 * Version: 1.10
 * Author: CIP4 - Stefan Meissner
 * Author URI: http://community.cip4.org
 */

add_action( 'widgets_init', 'cip4_folder_download_widget');
add_shortcode( 'cip4download', 'shortcode_call' );

function cip4_folder_download_widget() {
	register_widget( 'CIP4FolderDownloadWidget' );

	wp_register_style( 'cip4-folder-download-widget-css', plugins_url('cip4-folder-download-widget/cip4-folder-download-widget.css') );
	wp_enqueue_style('cip4-folder-download-widget-css');
}

function shortcode_call($atts) {

	extract(shortcode_atts(array(
    	'title' => 'No Title',
    	'folder' => 'wp-content/',
    	'is_desc' => false,
    	'is_tracked' => false,
  	), $atts));  

	// create list
	$result = createList($title, $folder, $is_desc, $is_tracked);

	// return result
	return $result;
}

function createList($title, $folder, $is_desc = false, $is_tracked = false) {

	$result = '';

	// create before widget area
	$result .= $before_widget;

	if(substr($folder, -1) != '/') {
		$folder .= '/';
	}

	// show folder items
	if( $folder ) {

		$csvInfos = array();

		// read .cip4-download-info file
		$infoPath = $folder . '.cip4-download-info.csv';

		if(file_exists($infoPath)) {
			$infoFile = fopen($infoPath,"r");
			while (($line = fgetcsv($infoFile)) !== FALSE) {
				$csvInfos[$line[0]] = $line;
			}
			fclose($infoFile);
		}

		// read download folder
		$items = array();

		if ($handle = opendir($folder)) {

			while (false !== ($file = readdir($handle))) {

				if($file{0} != '.') { // starts NOT with .

					// if necessary, add file
					if ($csvInfos[$file] == '') {

						// add new info item
						$csvItem = array($file, 0);
						$csvInfos[$file] = $csvItem;
					} 

					// get number downloads
					$downloads = $csvInfos[$file][1];

					// get file path
					$filepath = $folder . $file;

					$item = array();
					$item['filename'] = $file;
					$item['downloads'] = $downloads;
					$item['bytes'] = number_format(filesize($filepath) / 1024 / 1024, 1, ".", "") . ' MB';
					$item['modified'] = filemtime($filepath);
					$item['link'] = plugins_url() . "/cip4-folder-download-widget/cip4-download.php?target=" . $filepath . "&info=" . $infoPath;
					$item['extension'] = strtolower(pathinfo($filepath, PATHINFO_EXTENSION));
					$items[] = $item;
				}
			}
		}

		closedir($handle);

		// update .cip4-download-info file
		$fp = fopen($infoPath, 'w');

		foreach ($csvInfos as $row) {
		    fputcsv($fp, $row);
		}

		fclose($fp);

		// sort items
		foreach ($items as $key => $row) {
		    $filename[$key]  = $row['filename'];
		}

		if($is_desc) {
			array_multisort($filename, SORT_DESC, $items);
		} else {
			array_multisort($filename, SORT_ASC, $items);
		}

		// output
		$table = '';
		$table .= '<table class="cip4-folder-download-widget">';

		foreach($items as $item) {

			// find icon extension
			$icon = 'other.png';
			$icons = scandir(dirname(__FILE__) . '/icons/');
			$key = array_search($item['extension'] . '.png', $icons);

			if($key !== FALSE) {
				$icon = $icons[$key];
			}

			// time diff
			$date_modified    = new  DateTime('@' . $item['modified']);
			$date_now      = new DateTime();
			$diff = $date_modified->diff($date_now); 

			$y = $diff->y;
			$m = $diff->m;
			$d = $diff->d;
			$h = $diff->h;
			$i = $diff->i;
			$s = $diff->s;

			if($y == 0 && $m == 0 && $d > 0) {
				$modified = $d . ' days ' . $h . ' hours';
			} else if ($y == 0 && $m == 0 && $d == 0 && $h > 0) {
				$modified = $h . ' hours';
			} else if ($y == 0 && $m == 0 && $d == 0 && $h == 0 && $i > 0) {
				$modified = $i . ' minutes';
			} else if ($y == 0 && $m == 0 && $d == 0 && $h == 0 && $i == 0 && $s > 0) {
				$modified = $s . ' sec.';
			} else {
				$modified = date_format($date_modified, 'Y-m-d');
			}

			// table output
			$table .= '<tr>';

			if($is_tracked) {
				$table .= '<td class="cip4-fd-row-filename" style="padding-left: 10px"><a href="' . $item['link'] .'" onClick="_gaq.push([\'_trackEvent\', \'' . $title . '\', \'Download\', \'' . $item['filename'] . '\']);">' . $item['filename'] . '</a></td>';
			} else {
				$table .= '<td class="cip4-fd-row-filename" style="padding-left: 10px"><a href="' . $item['link'] .'">'. $item['filename'] . '</a></td>';
			} 

			$table .= '<td class="cip4-fd-row-downloads">' . $item['downloads'] . '</td>';
			$table .= '<td class="cip4-fd-row-size">' . $item['bytes'] . '</td>';

			$table .= '</tr>';
		}

		$table .= '</table>';

		$result .=  $table;
	}

	// append after widget area
	$result .=  $after_widget;

	// return result
	return $result;
}

class CIP4FolderDownloadWidget extends WP_Widget {

	function CIP4FolderDownloadWidget() {
		$widget_ops = array( 'classname' => 'example', 'description' => __('A widget that list all files in a defined folder for download. ', 'example') );

		$control_ops = array( 'width' => 250, 'height' => 350, 'id_base' => 'cip4-folder-download-widget' );

		$this->WP_Widget( 'cip4-folder-download-widget', __('CIP4 Folder Download', 'example'), $widget_ops, $control_ops );
	}

	function widget( $args, $instance ) {

		extract( $args );

		//Our variables from the widget settings.
		$title = apply_filters('widget_title', $instance['title'] );
		$folder = $instance['folder'];
		$is_desc = isset( $instance['is_desc'] ) ? $instance['is_desc'] : false; 

		// create list
		$result = createList($title, $folder, $is_desc);

		// output
		echo $result;
	}

	//Update the widget
	function update( $new_instance, $old_instance ) {
		$instance = $old_instance;

		// check for last slash in folder
		$folder = $new_instance['folder'];

		if(substr($folder, -1) != '/') {
			$folder .= '/';
		}

		//Strip tags from title and name to remove HTML
		$instance['title'] = strip_tags( $new_instance['title'] );
		$instance['folder'] = strip_tags( $folder );
		$instance['is_desc'] = $new_instance['is_desc']; 

		return $instance;
	}

	function form( $instance ) {

		//Set up some default widget settings.
		$defaults = array( 'title' => __('MyFolder', 'example'), 'folder' => __('wp-content/uploads/', 'example'), 'is_desc' => false );
		$instance = wp_parse_args( (array) $instance, $defaults ); ?>

		<!-- Show widgte ID -->
		<p>
			<label>
			Widget ID: 

			<?php

			if ($this -> number == '__i__') {
				echo '<b>[save widget first]</b>';
			} else {
				echo '<b>' . $this -> id . '</b>';
			}
			?>
			</label>
		</p>

		<!-- Widget Title: Text Input. -->
		<p>
			<label>
				Title:
				<input id="<?php echo $this -> get_field_id('title'); ?>" type="text" name="<?php echo $this -> get_field_name('title'); ?>" value="<?php echo $instance['title']; ?>" class="widefat" />
			</lable>
		</p>

		<!-- Folder Input -->
		<p>
			<label>
				Folder:
				<input id="<?php echo $this -> get_field_id('folder'); ?>" type="text" name="<?php echo $this -> get_field_name('folder'); ?>" value="<?php echo $instance['folder']; ?>" class="widefat" />
			</label>
		</p>

		<!-- Sort -->
		<p>
			<label>
				<input class="checkbox" type="checkbox" <?php checked(isset($instance['is_desc']), true); ?> id="<?php echo $this -> get_field_id('is_desc'); ?>" name="<?php echo $this -> get_field_name('is_desc'); ?>" />
    			<label for="<?php echo $this -> get_field_id('is_desc'); ?>"><?php _e('sort descendend', 'example'); ?></label>
			</label>
		</p>
	<?php
	}
}
?>