chamilo-lms2/main/dropbox/index.php

<?php
/* For licensing terms, see /license.txt */

// The file that contains all the initialisation stuff (and includes all the configuration stuff)
require_once 'dropbox_init.inc.php';

$last_access = '';
// get the last time the user accessed the tool
if (isset($_SESSION[$_course['id']]) && $_SESSION[$_course['id']]['last_access'][TOOL_DROPBOX] == '') {
	$last_access = get_last_tool_access(TOOL_DROPBOX);
	$_SESSION[$_course['id']]['last_access'][TOOL_DROPBOX] = $last_access;
} else {
	if (isset($_SESSION[$_course['id']])) {
		$last_access = $_SESSION[$_course['id']]['last_access'][TOOL_DROPBOX];
	}
}

$postAction = isset($_POST['action']) ? $_POST['action'] : null;
$view = isset($_GET['view']) ? Security::remove_XSS($_GET['view']) : null;
$viewReceivedCategory = isset($_GET['view_received_category']) ? Security::remove_XSS($_GET['view_received_category']) : null;
$viewSentCategory = isset($_GET['view_sent_category']) ? Security::remove_XSS($_GET['view_sent_category']) : null;

// Do the tracking
Event::event_access_tool(TOOL_DROPBOX);

// This var is used to give a unique value to every page request. This is to prevent resubmiting data
$dropbox_unid = md5(uniqid(rand(), true));

/*	DISPLAY SECTION */
Display::display_introduction_section(TOOL_DROPBOX);

// Build URL-parameters for table-sorting
$sort_params = array();
if (isset($_GET['dropbox_column'])) {
    $sort_params[] = 'dropbox_column='.intval($_GET['dropbox_column']);
}
if (isset($_GET['dropbox_page_nr'])) {
    $sort_params[] = 'page_nr='.intval($_GET['page_nr']);
}
if (isset($_GET['dropbox_per_page'])) {
    $sort_params[] = 'dropbox_per_page='.intval($_GET['dropbox_per_page']);
}
if (isset($_GET['dropbox_direction']) && in_array($_GET['dropbox_direction'], ['ASC', 'DESC'])) {
    $sort_params[] = 'dropbox_direction='.$_GET['dropbox_direction'];
}

$sort_params = Security::remove_XSS(implode('&', $sort_params));
$action = isset($_GET['action']) ? $_GET['action'] : null;

// Display the form for adding a new dropbox item.
if ($action == 'add') {
	if (api_get_session_id() != 0 && !api_is_allowed_to_session_edit(false, true)) {
		api_not_allowed();
	}
    display_add_form(
        $dropbox_unid,
        $viewReceivedCategory,
        $viewSentCategory,
        $view
    );
}

if (isset($_POST['submitWork'])) {
	$check = Security::check_token();
	if ($check) {
        store_add_dropbox();
	}
}

// Display the form for adding a category
if ($action == 'addreceivedcategory' || $action == 'addsentcategory') {
	if (api_get_session_id() != 0 && !api_is_allowed_to_session_edit(false, true)) {
		api_not_allowed();
	}
	$categoryName = isset($_POST['category_name']) ? $_POST['category_name'] : '';
	display_addcategory_form($categoryName, '', $_GET['action']);
}

// Editing a category: displaying the form
if ($action == 'editcategory' && isset($_GET['id'])) {
	if (api_get_session_id() != 0 && !api_is_allowed_to_session_edit(false, true)) {
		api_not_allowed();
	}
	if (!$_POST) {
		if (api_get_session_id() != 0 && !api_is_allowed_to_session_edit(false, true)) {
			api_not_allowed();
		}
		display_addcategory_form('', $_GET['id'], 'editcategory');
	}
}

// Storing a new or edited category
if (isset($_POST['StoreCategory'])) {
	if (api_get_session_id() != 0 && !api_is_allowed_to_session_edit(false, true)) {
		api_not_allowed();
	}
	$return_information = store_addcategory();
	if ($return_information['type'] == 'confirmation') {
		Display :: display_confirmation_message($return_information['message']);
	}
	if ($return_information['type'] == 'error') {
		Display :: display_error_message(get_lang('FormHasErrorsPleaseComplete').'<br />'.$return_information['message']);
		display_addcategory_form($_POST['category_name'], $_POST['edit_id'], $postAction);
	}
}


// Move a File
if (($action == 'movesent' || $action == 'movereceived') AND isset($_GET['move_id'])) {
	if (api_get_session_id() != 0 && !api_is_allowed_to_session_edit(false, true)) {
		api_not_allowed();
	}
	display_move_form(
        str_replace('move', '', $action),
        $_GET['move_id'],
        get_dropbox_categories(str_replace('move', '', $action)),
        $sort_params,
        $viewReceivedCategory,
        $viewSentCategory,
        $view
    );
}
if (isset($_POST['do_move'])) {
	Display :: display_confirmation_message(store_move($_POST['id'], $_POST['move_target'], $_POST['part']));
}

// Delete a file
if (($action == 'deletereceivedfile' || $action == 'deletesentfile') AND isset($_GET['id']) AND is_numeric($_GET['id'])) {
	if (api_get_session_id() != 0 && !api_is_allowed_to_session_edit(false, true)) {
		api_not_allowed();
	}
	$dropboxfile = new Dropbox_Person(api_get_user_id(), $is_courseAdmin, $is_courseTutor);
	if ($action == 'deletereceivedfile') {
		$dropboxfile->deleteReceivedWork($_GET['id']);
		$message = get_lang('ReceivedFileDeleted');
	}
	if ($action == 'deletesentfile') {
		$dropboxfile->deleteSentWork($_GET['id']);
		$message = get_lang('SentFileDeleted');
	}
	Display :: display_confirmation_message($message);
}

// Delete a category
if (($action == 'deletereceivedcategory' || $action == 'deletesentcategory') AND isset($_GET['id']) AND is_numeric($_GET['id'])) {
	if (api_get_session_id() != 0 && !api_is_allowed_to_session_edit(false, true)) {
		api_not_allowed();
	}
	$message = delete_category($action, $_GET['id']);
	Display :: display_confirmation_message($message);
}

// Do an action on multiple files
// only the download has is handled separately in dropbox_init_inc.php because this has to be done before the headers are sent
// (which also happens in dropbox_init.inc.php

if (!isset($_POST['feedback']) && (
    strstr($postAction, 'move_received') ||
    strstr($postAction, 'move_sent') ||
    $postAction == 'delete_received' ||
    $postAction == 'download_received' ||
    $postAction == 'delete_sent' ||
    $postAction == 'download_sent')
) {
	$display_message = handle_multiple_actions();
	Display :: display_normal_message($display_message);
}

// Store Feedback

if (isset($_POST['feedback'])) {
	if (api_get_session_id() != 0 && !api_is_allowed_to_session_edit(false, true)) {
		api_not_allowed();
	}
	$check = Security::check_token();
	if ($check) {
		$display_message = store_feedback();
		Display :: display_normal_message($display_message);
		Security::check_token();
	}
}

// Error Message
if (isset($_GET['error']) AND !empty($_GET['error'])) {
	Display :: display_normal_message(get_lang($_GET['error']));
}

$dropbox_data_sent = array();
$movelist = array();
$dropbox_data_recieved = array();

if ($action != 'add') {
	// Getting all the categories in the dropbox for the given user
	$dropbox_categories = get_dropbox_categories();
	// Greating the arrays with the categories for the received files and for the sent files
	foreach ($dropbox_categories as $category) {
		if ($category['received'] == '1') {
			$dropbox_received_category[] = $category;
		}
		if ($category['sent'] == '1') {
			$dropbox_sent_category[] = $category;
		}
	}

	// ACTIONS
	if ($view == 'received' || !$dropbox_cnf['sent_received_tabs']) {
		//echo '<h3>'.get_lang('ReceivedFiles').'</h3>';

		// This is for the categories
		if (isset($viewReceivedCategory) AND $viewReceivedCategory != '') {
			$view_dropbox_category_received = $viewReceivedCategory;
		} else {
			$view_dropbox_category_received = 0;
		}

		/* Menu Received */

		if (api_get_session_id() == 0) {
			echo '<div class="actions">';
			if ($view_dropbox_category_received != 0  && api_is_allowed_to_session_edit(false, true)) {
				echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&view_received_category=0&view_sent_category='.$viewSentCategory.'&view='.$view.'">'.Display::return_icon('folder_up.png', get_lang('Up').' '.get_lang('Root'),'',ICON_SIZE_MEDIUM)."</a>";
				echo get_lang('Category').': <strong>'.Security::remove_XSS($dropbox_categories[$view_dropbox_category_received]['cat_name']).'</strong> ';
				$movelist[0] = 'Root'; // move_received selectbox content
			} else {
				echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=addreceivedcategory&view='.$view.'">'.Display::return_icon('new_folder.png', get_lang('AddNewCategory'),'',ICON_SIZE_MEDIUM).'</a>';
			}
			echo '</div>';
		} else {
			if (api_is_allowed_to_session_edit(false, true)) {
				echo '<div class="actions">';
				if ($view_dropbox_category_received != 0 && api_is_allowed_to_session_edit(false, true)) {
					echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&view_received_category=0&view_sent_category='.$viewSentCategory.'&view='.$view.'">'.Display::return_icon('folder_up.png', get_lang('Up').' '.get_lang('Root'),'',ICON_SIZE_MEDIUM)."</a>";
					echo get_lang('Category').': <strong>'.Security::remove_XSS($dropbox_categories[$view_dropbox_category_received]['cat_name']).'</strong> ';
					$movelist[0] = 'Root'; // move_received selectbox content
				} else {
					echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=addreceivedcategory&view='.$view.'">'.Display::return_icon('new_folder.png', get_lang('AddNewCategory'),'',ICON_SIZE_MEDIUM).'</a>';
				}
				echo '</div>';
			}
		}
	}

	if (!$view || $view == 'sent' || !$dropbox_cnf['sent_received_tabs']) {
		// This is for the categories
		if (isset($viewSentCategory) AND $viewSentCategory != '') {
			$view_dropbox_category_sent = $viewSentCategory;
		} else {
			$view_dropbox_category_sent = 0;
		}

		/* Menu Sent */

		if (api_get_session_id() == 0) {
			echo '<div class="actions">';
			if ($view_dropbox_category_sent != 0) {
				echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&view_received_category='.$viewReceivedCategory.'&view_sent_category=0&view='.$view.'">'.Display::return_icon('folder_up.png', get_lang('Up').' '.get_lang('Root'),'',ICON_SIZE_MEDIUM)."</a>";
				echo get_lang('Category').': <strong>'.Security::remove_XSS($dropbox_categories[$view_dropbox_category_sent]['cat_name']).'</strong> ';
			} else {
				echo "<a href=\"".api_get_self()."?".api_get_cidreq()."&view=".$view."&action=addsentcategory\">".Display::return_icon('new_folder.png', get_lang('AddNewCategory'),'',ICON_SIZE_MEDIUM)."</a>\n";
			}
			if (empty($viewSentCategory)) {
				echo "<a href=\"".api_get_self()."?".api_get_cidreq()."&view=".$view."&action=add\">".Display::return_icon('upload_file.png', get_lang('UploadNewFile'),'',ICON_SIZE_MEDIUM)."</a>";
			}
			echo '</div>';
		} else {
			if (api_is_allowed_to_session_edit(false, true)) {
				echo '<div class="actions">';
				if ($view_dropbox_category_sent != 0) {
					echo get_lang('CurrentlySeeing').': <strong>'.Security::remove_XSS($dropbox_categories[$view_dropbox_category_sent]['cat_name']).'</strong> ';
					echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&view_received_category='.$viewReceivedCategory.'&view_sent_category=0&view='.$view.'">'.Display::return_icon('folder_up.png', get_lang('Up').' '.get_lang('Root'),'',ICON_SIZE_MEDIUM)."</a>";
				} else {
					echo "<a href=\"".api_get_self()."?".api_get_cidreq()."&view=".$view."&action=addsentcategory\">".Display::return_icon('new_folder.png', get_lang('AddNewCategory'),'',ICON_SIZE_MEDIUM)."</a>\n";
				}
				if (empty($viewSentCategory)) {
					echo "<a href=\"".api_get_self()."?".api_get_cidreq()."&view=".$view."&action=add\">".Display::return_icon('upload_file.png', get_lang('UploadNewFile'),'',ICON_SIZE_MEDIUM)."</a>";
				}
				echo '</div>';
			}
		}
	}
	/*	THE MENU TABS */
	if ($dropbox_cnf['sent_received_tabs']) {
?>
<ul class="nav nav-tabs">
    <li <?php if (!$view || $view == 'sent') { echo 'class="active"'; } ?> >
        <a href="<?php echo api_get_path(WEB_CODE_PATH).'dropbox/'; ?>index.php?<?php echo api_get_cidreq(); ?>&view=sent" >
			<?php echo get_lang('SentFiles'); ?>
		</a>
    </li>
    <li <?php if ($view == 'received') { echo 'class="active"'; } ?> >
        <a href="<?php echo api_get_path(WEB_CODE_PATH).'dropbox/'; ?>index.php?<?php echo api_get_cidreq(); ?>&view=received"  >
			<?php echo get_lang('ReceivedFiles'); ?></a>
    </li>
</ul>
<?php
	}
    /*	RECEIVED FILES */
	if ($view == 'received' || !$dropbox_cnf['sent_received_tabs']) {
		// This is for the categories
		if (isset($viewReceivedCategory) AND $viewReceivedCategory != '') {
			$view_dropbox_category_received = $viewReceivedCategory;
		} else {
			$view_dropbox_category_received = 0;
		}

		// Object initialisation
		$dropbox_person = new Dropbox_Person(api_get_user_id(), $is_courseAdmin, $is_courseTutor);
		 // note: are the $is_courseAdmin and $is_courseTutor parameters needed????

		// Constructing the array that contains the total number of feedback messages per document.
		$number_feedback = get_total_number_feedback();

		// Sorting and paging options
		$sorting_options = array();
		$paging_options = array();

		// The headers of the sortable tables
		$column_header = array();
		$column_header[] = array('', false, '');
		$column_header[] = array(get_lang('Type'), true, 'style="width:40px"', 'style="text-align:center"');
		$column_header[] = array(get_lang('ReceivedTitle'), true, '');
		$column_header[] = array(get_lang('Size'), true, '');
		$column_header[] = array(get_lang('Authors'), true, '');
		$column_header[] = array(get_lang('LastResent'), true);

		if (api_get_session_id() == 0) {
			$column_header[] = array(get_lang('Modify'), false, '', 'nowrap style="text-align: right"');
		} elseif (api_is_allowed_to_session_edit(false,true)) {
			$column_header[] = array(get_lang('Modify'), false, '', 'nowrap style="text-align: right"');
		}

		$column_header[] = array('RealDate', true);
		$column_header[] = array('RealSize', true);

		// An array with the setting of the columns -> 1: columns that we will show, 0:columns that will be hide
		$column_show[] = 1;
		$column_show[] = 1;
		$column_show[] = 1;
		$column_show[] = 1;
		$column_show[] = 1;
		$column_show[] = 1;

		if (api_get_session_id() == 0) {
			$column_show[] = 1;
		} elseif (api_is_allowed_to_session_edit(false, true)) {
			$column_show[] = 1;
		}
		$column_show[] = 0;

		// Here we change the way how the columns are going to be sort
		// in this case the the column of LastResent ( 4th element in $column_header) we will be order like the column RealDate
		// because in the column RealDate we have the days in a correct format "2008-03-12 10:35:48"

		$column_order[3] = 8;
		$column_order[5] = 7;

		// The content of the sortable table = the received files
		foreach ($dropbox_person -> receivedWork as $dropbox_file) {
			$dropbox_file_data = array();
			if ($view_dropbox_category_received == $dropbox_file->category) {
                // we only display the files that are in the category that we are in.
				$dropbox_file_data[] = $dropbox_file->id;

				if (!is_array($_SESSION['_seen'][$_course['id']][TOOL_DROPBOX])) {
					$_SESSION['_seen'][$_course['id']][TOOL_DROPBOX] = array();
				}

				// New icon
				$new_icon = '';
				if ($dropbox_file->last_upload_date > $last_access &&
                    !in_array($dropbox_file->id, $_SESSION['_seen'][$_course['id']][TOOL_DROPBOX])
                ) {
					$new_icon = '&nbsp;'.Display::return_icon('new_dropbox_message.png', get_lang('New'),'',ICON_SIZE_SMALL);
				}

				$link_open = '<a href="'.api_get_path(WEB_CODE_PATH).'dropbox/dropbox_download.php?'.api_get_cidreq().'&id='.$dropbox_file->id.'">';
				$dropbox_file_data[] = $link_open.DocumentManager::build_document_icon_tag('file', $dropbox_file->title).'</a>';
				$dropbox_file_data[] = '<a href="'.api_get_path(WEB_CODE_PATH).'dropbox/dropbox_download.php?'.api_get_cidreq().'&id='.$dropbox_file->id.'&action=download">'.
                    Display::return_icon('save.png', get_lang('Download'), array('style' => 'float:right;'),ICON_SIZE_SMALL).'</a>'.$link_open.$dropbox_file->title.'</a>'.$new_icon.'<br />'.$dropbox_file->description;
				$file_size = $dropbox_file->filesize;
				$dropbox_file_data[] = format_file_size($file_size);
				$dropbox_file_data[] = $dropbox_file->author;

				$last_upload_date = api_get_local_time($dropbox_file->last_upload_date);
				$dropbox_file_data[] = date_to_str_ago($last_upload_date).'<br /><span class="dropbox_date">'.
                    api_format_date($last_upload_date).'</span>';

				$action_icons = check_number_feedback($dropbox_file->id, $number_feedback).' '.get_lang('Feedback').'
                <a href="'.api_get_self().'?'.api_get_cidreq().'&view_received_category='.$viewReceivedCategory.'&view_sent_category='.$viewSentCategory.'&view='.$view.'&action=viewfeedback&id='.$dropbox_file->id.'&'.$sort_params.'">'.Display::return_icon('discuss.png', get_lang('Comment'),'',ICON_SIZE_SMALL).'</a>
                <a href="'.api_get_self().'?'.api_get_cidreq().'&view_received_category='.$viewReceivedCategory.'&view_sent_category='.$viewSentCategory.'&view='.$view.'&action=movereceived&move_id='.$dropbox_file->id.'&'.$sort_params.'">'.Display::return_icon('move.png', get_lang('Move'),'',ICON_SIZE_SMALL).'</a>
                <a href="'.api_get_self().'?'.api_get_cidreq().'&view_received_category='.$viewReceivedCategory.'&view_sent_category='.$viewSentCategory.'&view='.$view.'&action=deletereceivedfile&id='.$dropbox_file->id.'&'.$sort_params.'" onclick="javascript: return confirmation(\''.$dropbox_file->title.'\');">'.
                Display::return_icon('delete.png', get_lang('Delete'),'',ICON_SIZE_SMALL).'</a>';

				// This is a hack to have an additional row in a sortable table

				if ($action == 'viewfeedback' AND isset($_GET['id']) and is_numeric($_GET['id']) AND $dropbox_file->id == $_GET['id']) {
					$action_icons .= "</td></tr>"; // Ending the normal row of the sortable table
					$action_icons .= '<tr><td colspan="2"><a href="'.api_get_path(WEB_CODE_PATH).'dropbox/index.php?"'.api_get_cidreq().'&view_received_category='.$viewReceivedCategory."&view_sent_category=".$viewSentCategory."&view=".$view.'&'.$sort_params."\">".get_lang('CloseFeedback')."</a></td><td colspan=\"7\">".feedback($dropbox_file->feedback2)."</td></tr>";
				}
				if (api_get_session_id() == 0) {
					$dropbox_file_data[] = $action_icons;
				} elseif (api_is_allowed_to_session_edit(false, true)) {
					$dropbox_file_data[] = $action_icons;
				}
				$action_icons = '';
				$dropbox_file_data[] = $last_upload_date;
				$dropbox_file_data[] = $file_size;
				$dropbox_data_recieved[] = $dropbox_file_data;
			}
		}

		// The content of the sortable table = the categories (if we are not in the root)
		if ($view_dropbox_category_received == 0) {
			foreach ($dropbox_categories as $category) {
			    /*  Note: This can probably be shortened since the categories
			    for the received files are already in the
			    $dropbox_received_category array;*/
				$dropbox_category_data = array();
				if ($category['received'] == '1') {
					$movelist[$category['cat_id']] = $category['cat_name'];
                    // This is where the checkbox icon for the files appear
					$dropbox_category_data[] = $category['cat_id'];
					// The icon of the category
					$link_open = '<a href="'.api_get_self().'?'.api_get_cidreq().'&view_received_category='.$category['cat_id'].'&view_sent_category='.$viewSentCategory.'&view='.$view.'">';
					$dropbox_category_data[] = $link_open.DocumentManager::build_document_icon_tag('folder', $category['cat_name']).'</a>';
					$dropbox_category_data[] = '<a href="'.api_get_path(WEB_CODE_PATH).'dropbox/dropbox_download.php?'.api_get_cidreq().'&cat_id='.$category['cat_id'].'&action=downloadcategory&sent_received=received">'.Display::return_icon('save_pack.png', get_lang('Save'), array('style' => 'float:right;'),ICON_SIZE_SMALL).'</a>'.$link_open.$category['cat_name'].'</a>';
					$dropbox_category_data[] = '';
					$dropbox_category_data[] = '';
					$dropbox_category_data[] = '';
					$dropbox_category_data[] = '<a href="'.api_get_self().'?'.api_get_cidreq().'&view_received_category='.$viewReceivedCategory.'&view_sent_category='.$viewSentCategory.'&view='.$view.'&action=editcategory&id='.$category['cat_id'].'">'.Display::return_icon('edit.png',get_lang('Edit'),'',ICON_SIZE_SMALL).'</a>
										  <a href="'.api_get_self().'?'.api_get_cidreq().'&view_received_category='.$viewReceivedCategory.'&view_sent_category='.$viewSentCategory.'&view='.$view.'&action=deletereceivedcategory&id='.$category['cat_id'].'" onclick="javascript: return confirmation(\''.Security::remove_XSS($category['cat_name']).'\');">'.Display::return_icon('delete.png', get_lang('Delete'),'',ICON_SIZE_SMALL).'</a>';
				}
				if (is_array($dropbox_category_data) && count($dropbox_category_data) > 0) {
					$dropbox_data_recieved[] = $dropbox_category_data;
				}
			}
		}

		// Displaying the table
        $additional_get_parameters = array(
            'view' => $view,
            'view_received_category' => $viewReceivedCategory,
            'view_sent_category' => $viewSentCategory,
        );
        $selectlist = array(
            'delete_received' => get_lang('Delete'),
            'download_received' => get_lang('Download')
        );

		if (is_array($movelist)) {
			foreach ($movelist as $catid => $catname){
				$selectlist['move_received_'.$catid] = get_lang('Move') . '->'. Security::remove_XSS($catname);
			}
		}

		if (api_get_session_id() != 0 && !api_is_allowed_to_session_edit(false, true)) {
			$selectlist = array();
		}
        echo '<div class="files-table">';
        Display::display_sortable_config_table(
            'dropbox',
            $column_header,
            $dropbox_data_recieved,
            $sorting_options,
            $paging_options,
            $additional_get_parameters,
            $column_show,
            $column_order,
            $selectlist
        );
        echo '</div>';
	}

	/*	SENT FILES */

	if (!$view || $view == 'sent' || !$dropbox_cnf['sent_received_tabs']) {
		// This is for the categories
		if (isset($viewSentCategory) AND $viewSentCategory != '') {
			$view_dropbox_category_sent = $viewSentCategory;
		} else {
			$view_dropbox_category_sent = 0;
		}

		// Object initialisation
		$dropbox_person = new Dropbox_Person(api_get_user_id(), $is_courseAdmin, $is_courseTutor);

		// Constructing the array that contains the total number of feedback messages per document.
		$number_feedback = get_total_number_feedback();

		// Sorting and paging options
		$sorting_options = array();
		$paging_options = array();

		// The headers of the sortable tables
		$column_header = array();

		$column_header[] = array('', false, '');
		$column_header[] = array(get_lang('Type'), true, 'style="width:40px"', 'style="text-align:center"');
		$column_header[] = array(get_lang('SentTitle'), true, '');
		$column_header[] = array(get_lang('Size'), true, '');
		$column_header[] = array(get_lang('SentTo'), true, '');
		$column_header[] = array(get_lang('LastResent'), true, '');

		if (api_get_session_id() == 0) {
			$column_header[] = array(get_lang('Modify'), false, '', 'nowrap style="text-align: right"');
		} elseif (api_is_allowed_to_session_edit(false, true)) {
			$column_header[] = array(get_lang('Modify'), false, '', 'nowrap style="text-align: right"');
		}

		$column_header[] = array('RealDate', true);
		$column_header[] = array('RealSize', true);

		$column_show = array();
		$column_order = array();

		// An array with the setting of the columns -> 1: columns that we will show, 0:columns that will be hide
		$column_show[] = 1;
		$column_show[] = 1;
		$column_show[] = 1;
		$column_show[] = 1;
		$column_show[] = 1;
		$column_show[] = 1;
		if (api_get_session_id() == 0) {
			$column_show[] = 1;
		} elseif (api_is_allowed_to_session_edit(false, true)) {
			$column_show[] = 1;
		}
		$column_show[] = 0;

		// Here we change the way how the colums are going to be sort
		// in this case the the column of LastResent ( 4th element in $column_header) we will be order like the column RealDate
		// because in the column RealDate we have the days in a correct format "2008-03-12 10:35:48"

		$column_order[3] = 8;
		$column_order[5] = 7;

		// The content of the sortable table = the received files
		foreach ($dropbox_person->sentWork as $dropbox_file) {
			$dropbox_file_data = array();

			if ($view_dropbox_category_sent == $dropbox_file->category) {
				$dropbox_file_data[] = $dropbox_file->id;
				$link_open = '<a href="'.api_get_path(WEB_CODE_PATH).'dropbox/dropbox_download.php?'.api_get_cidreq().'&id='.$dropbox_file->id.'">';
				$dropbox_file_data[] = $link_open.DocumentManager::build_document_icon_tag('file', $dropbox_file->title).'</a>';
				$dropbox_file_data[] = '<a href="'.api_get_path(WEB_CODE_PATH).'dropbox/dropbox_download.php?'.api_get_cidreq().'&id='.$dropbox_file->id.'&action=download">'.
                    Display::return_icon('save.png', get_lang('Save'), array('style' => 'float:right;'),ICON_SIZE_SMALL).'</a>'.$link_open.$dropbox_file->title.'</a><br />'.$dropbox_file->description;
				$file_size = $dropbox_file->filesize;
				$dropbox_file_data[] = format_file_size($file_size);
                $receivers_celldata = null;
				foreach ($dropbox_file->recipients as $recipient) {
					$userInfo = api_get_user_info($recipient['user_id']);
					$receivers_celldata = UserManager::getUserProfileLink($userInfo).', '.$receivers_celldata;
				}
				$receivers_celldata = trim(trim($receivers_celldata), ','); // Removing the trailing comma.
				$dropbox_file_data[] = $receivers_celldata;
				$last_upload_date = api_get_local_time($dropbox_file->last_upload_date);
				$dropbox_file_data[] = date_to_str_ago($last_upload_date).'<br /><span class="dropbox_date">'.api_format_date($last_upload_date).'</span>';

				//$dropbox_file_data[] = $dropbox_file->author;
				$receivers_celldata = '';

				$action_icons = check_number_feedback($dropbox_file->id, $number_feedback).' '.get_lang('Feedback').'
                    <a href="'.api_get_self().'?'.api_get_cidreq().'&view_received_category='.$viewReceivedCategory.'&view_sent_category='.$viewSentCategory.'&view='.$view.'&action=viewfeedback&id='.$dropbox_file->id.'&'.$sort_params.'">'.Display::return_icon('discuss.png', get_lang('Comment'),'',ICON_SIZE_SMALL).'</a>
                    <a href="'.api_get_self().'?'.api_get_cidreq().'&view_received_category='.$viewReceivedCategory.'&view_sent_category='.$viewSentCategory.'&view='.$view.'&action=movesent&move_id='.$dropbox_file->id.'&'.$sort_params.'">'.Display::return_icon('move.png', get_lang('Move'),'',ICON_SIZE_SMALL).'</a>
                    <a href="'.api_get_self().'?'.api_get_cidreq().'&view_received_category='.$viewReceivedCategory.'&view_sent_category='.$viewSentCategory.'&view='.$view.'&action=deletesentfile&id='.$dropbox_file->id.'&'.$sort_params.'" onclick="javascript: return confirmation(\''.$dropbox_file->title.'\');">'.Display::return_icon('delete.png', get_lang('Delete'),'',ICON_SIZE_SMALL).'</a>';
				// This is a hack to have an additional row in a sortable table
				if ($action == 'viewfeedback' && isset($_GET['id']) && is_numeric($_GET['id']) && $dropbox_file->id == $_GET['id']) {
					$action_icons .= "</td></tr>\n"; // ending the normal row of the sortable table
					$action_icons .= "<tr><td colspan=\"2\">";
					$action_icons .= "<a href=\"".api_get_path(WEB_CODE_PATH)."dropbox/index.php?".api_get_cidreq()."&view_received_category=".$viewReceivedCategory."&view_sent_category=".$viewSentCategory."&view=".$view.'&'.$sort_params."\">".get_lang('CloseFeedback')."</a>";
					$action_icons .= "</td><td colspan=\"7\">".feedback($dropbox_file->feedback2)."</td></tr>";
				}
				$dropbox_file_data[] = $action_icons;
				$dropbox_file_data[] = $last_upload_date;
				$dropbox_file_data[] = $file_size;
				$action_icons = '';
				$dropbox_data_sent[] = $dropbox_file_data;
			}
		}

        $moveList = array();
		// The content of the sortable table = the categories (if we are not in the root)
		if ($view_dropbox_category_sent == 0) {
			foreach ($dropbox_categories as $category) {
				$dropbox_category_data = array();

				if ($category['sent'] == '1') {

                    $moveList[$category['cat_id']] = $category['cat_name'];
					$dropbox_category_data[] = $category['cat_id'];
					// This is where the checkbox icon for the files appear.
					$link_open = '<a href="'.api_get_self().'?'.api_get_cidreq().'&view_received_category='.$viewReceivedCategory.'&view_sent_category='.$category['cat_id'].'&view='.$view.'">';
					$dropbox_category_data[] = $link_open.DocumentManager::build_document_icon_tag('folder', Security::remove_XSS($category['cat_name'])).'</a>';
					$dropbox_category_data[] = '<a href="'.api_get_path(WEB_CODE_PATH).'dropbox/dropbox_download.php?'.api_get_cidreq().'&cat_id='.$category['cat_id'].'&action=downloadcategory&sent_received=sent">'.Display::return_icon('save_pack.png', get_lang('Save'), array('style' => 'float:right;'),ICON_SIZE_SMALL).'</a>'.$link_open.Security::remove_XSS($category['cat_name']).'</a>';
					//$dropbox_category_data[] = '';
					$dropbox_category_data[] = '';
					//$dropbox_category_data[] = '';
					$dropbox_category_data[] = '';
					$dropbox_category_data[] = '';
					$dropbox_category_data[] = '<a href="'.api_get_self().'?'.api_get_cidreq().'&view_received_category='.$viewReceivedCategory.'&view_sent_category='.$viewSentCategory.'&view='.$view.'&action=editcategory&id='.$category['cat_id'].'">'.
                                    Display::return_icon('edit.png', get_lang('Edit'),'',ICON_SIZE_SMALL).'</a>
									<a href="'.api_get_self().'?'.api_get_cidreq().'&view_received_category='.$viewReceivedCategory.'&view_sent_category='.$viewSentCategory.'&view='.$view.'&action=deletesentcategory&id='.$category['cat_id'].'" onclick="javascript: return confirmation(\''.Security::remove_XSS($category['cat_name']).'\');">'.
                                    Display::return_icon('delete.png', get_lang('Delete'),'',ICON_SIZE_SMALL).'</a>';
				}
				if (is_array($dropbox_category_data) && count($dropbox_category_data) > 0) {
					$dropbox_data_sent[] = $dropbox_category_data;
				}
			}
		}

		// Displaying the table
		$additional_get_parameters = array(
            'view' => $view,
            'view_received_category' => $viewReceivedCategory,
            'view_sent_category' => $viewSentCategory
        );

		$selectlist = array(
            'delete_received' => get_lang('Delete'),
            'download_received' => get_lang('Download')
        );

        if (!empty($moveList)) {
            foreach ($moveList as $catid => $catname) {
                $selectlist['move_sent_'.$catid] = get_lang('Move') . '->'. Security::remove_XSS($catname);
            }
        }

		if (api_get_session_id() != 0 && !api_is_allowed_to_session_edit(false, true)) {
			$selectlist = array('download_received' => get_lang('Download'));
		}

        echo '<div class="files-table">';
		Display::display_sortable_config_table(
            'dropbox',
            $column_header,
            $dropbox_data_sent,
            $sorting_options,
            $paging_options,
            $additional_get_parameters,
            $column_show,
            $column_order,
            $selectlist
        );
        echo '</div>';
	}
}

Display::display_footer();