if (@txpinterface == 'admin')
	{
		add_privs('upm_file_popper', '1,2,3,4,5');
		register_callback('upm_file_popper', 'upm_file_popper');

		add_privs('upm_file_popper_link', '1,2,3,4,5');
		register_callback('upm_file_popper_link', 'article');

		add_privs('upm_file_popper_js', '1,2,3,4,5');
		register_callback('upm_file_popper_js', 'upm_file_popper_js', '', 1);

		add_privs('upm_file_popper_img', '1,2,3,4,5');
		register_callback('upm_file_popper_img', 'upm_file_popper_img', '', 1);

		register_callback('upm_file_popper_menu', 'article_ui', 'extend_col_1');

	}

	 /**
	 * Insert upm_file_popper link in column 1 on the write-tab
	 *
	 * @param string $event (article_ui)
	 * @param string $step (extend_col_1)
	 */
	function upm_file_popper_menu($event, $step) {
		return '<div id="qupm_file_popper_group"><h3 class="plain lever"><a href="#qupm_file_popper-link">'.upm_file_popper_gTxt('attach_file').'</a></h3><div id="qupm_file_popper-link" class="toggle" style="display:none"><ul class="qupm_file_popper plain-list"><li><a id="qupm_file_popper-open" class="qupm_file_popper-open" href="#" onclick="myFunction();return false;">'.upm_file_popper_gTxt('attach_file').'</a></li></ul></div><script>function myFunction() {var w=700;var h=700;var t = (screen.height) ? (screen.height - h) / 2 : 0;var l = (screen.width) ? (screen.width - w) / 2 : 0;window.open("?event=upm_file_popper&bm=1&sort=id&dir=desc", "upm_file_popper", "menubar=0,toolbar=0,resizable=1,top="+t+",left="+l+",width="+w+",height="+h+"");}</script></div>';
	}

// -------------------------------------------------------------

	function upm_file_popper()
	{
		global $step, $prefs;

		if ($step == 'upm_file_popper_change_pageby')
		{
			event_change_pageby('file');
			$GLOBALS['prefs'] = get_prefs();
		}

		upm_file_popper_list();
	}

// -------------------------------------------------------------

	function upm_file_popper_list()
	{
		global $file_base_path, $prefs;

		pagetop(upm_file_popper_gTxt('file_selector'));

	echo <<<css
<style type="text/css">
<!--
label {
cursor: pointer;
color: #000;
}

img {
border: none;
}

ul {
margin: 0;
padding: 0;
list-style: none;
}

li {
margin: 0 0 2px 0;
padding: 0;
}

p {
margin: 5px 0;
padding: 0;
}

.right {
text-align: right;
}

.center {
margin: 0 auto;
text-align: center;
}

#no {
margin-left: 2em;
}

#return, #success, #failed {
padding: 1em;
text-align: center;
background-color: #fff;
border: 5px solid #fc3;
}
-->
</style>

<script type="text/javascript" src="index.php?event=upm_file_popper_js&#38;name=pop"></script>
css;

		extract(gpsa(array('page', 'sort', 'dir', 'crit', 'search_method')));
                if ($sort === '') $sort = get_pref('file_sort_column', 'filename');
                if ($dir === '') $dir = get_pref('file_sort_dir', 'asc');
                $dir = ($dir == 'desc') ? 'desc' : 'asc';

		switch ($sort)
		{
			case 'id':
				$sort_sql = "id $dir, filename asc";
			break;

			case 'filename':
				$sort_sql = "filename $dir";
			break;

			case 'description':
				$sort_sql = 'description '.$dir.', filename desc';
			break;

			case 'category':
				$sort_sql = "category $dir, filename asc";
			break;

			case 'downloads':
				$sort_sql = "downloads $dir, filename asc";
			break;

			default:
				$dir = 'desc';
				$sort_sql = "filename $dir";
			break;
		}

		$switch_dir = ($dir == 'desc') ? 'asc' : 'desc';

		$criteria = 1;

		if ($search_method and $crit)
		{
			$crit_escaped = doSlash($crit);

			$critsql = array(
				'id'					=> "id = '$crit_escaped'",
				'filename'		=> "filename like '%$crit_escaped%'",
				'category'		=> "category like '%$crit_escaped%'",
				'description' => "description like '%$crit_escaped%'"
			);

			if (array_key_exists($search_method, $critsql))
			{
				$criteria = $critsql[$search_method];
				$limit = 500;
			}

			else
			{
				$search_method = '';
				$crit = '';
			}
		}

		else
		{
			$search_method = '';
			$crit = '';
		}

		$total = safe_count('txp_file', "$criteria");

		if ($total < 1)
		{
			if ($criteria != 1)
			{
				echo n.upm_file_popper_search_form($crit, $search_method, $sort, $dir).
					n.graf(gTxt('no_results_found'), ' style="text-align: center;"');
			}

			else
			{
				echo n.graf(gTxt('no_files_recorded'), ' style="text-align: center;"');
			}

			return;
		}

		$limit = max($prefs['file_list_pageby'], 15);

		list($page, $offset, $numPages) = pager($total, $limit, $page);

		echo upm_file_popper_search_form($crit, $search_method, $sort, $dir);

		$rs = safe_rows_start('*', 'txp_file', "$criteria order by $sort_sql limit $offset, $limit");

		if ($rs)
		{
			$sort_link = 'upm_file_popper'.a.'bm=true';

			echo startTable('','','txp-list'),
				tr(
					column_head('ID', 'id', $sort_link, true, $switch_dir, $crit, $search_method).
					column_head('file_name', 'filename', $sort_link, true,	$switch_dir, $crit, $search_method).
					column_head('description', 'description', $sort_link, true, $switch_dir, $crit, $search_method).
					column_head('file_category', 'category', $sort_link, true, $switch_dir, $crit, $search_method).
					hCell().
					hCell(gTxt('tags')).
					hCell(gTxt('status')).
					column_head('downloads', 'downloads', $sort_link, true, $switch_dir, $crit, $search_method)
				);

			while ($a = nextRow($rs))
			{
				extract($a);

				// god I hate javascript in php
				$insert = '<a href="#" onclick="upm_file_popper_attachFile('.chr(39).$id.chr(39).'); return false;"><img src="index.php?event=upm_file_popper_img" width="16px" height="16px" alt="'.upm_file_popper_gTxt('attach_file').'" title="'.upm_file_popper_gTxt('attach_file').'" /></a>';

				$tag_url = '?event=tag'.a.'tag_name=file_download_link'.a.'id='.$id.a.'description='.urlencode($description).
					a.'filename='.urlencode($filename);

				$file_exists = file_exists(build_file_path($file_base_path, $filename));

				$status = ($file_exists) ?
					'<span class="ok">'.gTxt('file_status_ok').'</span>' :
					'<span class="not-ok">'.gTxt('file_status_missing').'</span>';

				if (!isset($downloads))
				{
					safe_alter('txp_file', "ADD downloads INT DEFAULT '0' NOT NULL");
					$downloads = 0;
				}

				elseif (empty($downloads))
				{
					$downloads = '0';
				}


				echo n.n.tr(

					n.td($id).

					td('<a href="#" onclick="upm_file_popper_warnEditFile('.$id.'); return false;">'.$filename.'</a>', 125).

					td($description, 150).
					td($category, 90).

					td($insert).

					td(
						n.'<ul>'.
						n.t.'<li><a target="_blank" href="'.$tag_url.a.'type=textile" onclick="popWin(this.href, 400, 250); return false;">Textile</a></li>'.
						n.t.'<li><a target="_blank" href="'.$tag_url.a.'type=textpattern" onclick="popWin(this.href, 400, 250); return false;">Textpattern</a></li>'.
						n.t.'<li><a target="_blank" href="'.$tag_url.a.'type=xhtml" onclick="popWin(this.href, 400, 250); return false;">XHTML</a></li>'.
						n.'</ul>'
					, 75).

					td($status, 45).

					td(
						($downloads == '0' ? gTxt('none') : $downloads)
					, 25)
				);
			}

			echo endTable().

				nav_form('upm_file_popper', $page, $numPages, $sort, $dir, $crit, $search_method).

				upm_file_popper_pageby_form().

				n.tag(
					n.graf(upm_file_popper_gTxt('return')).
					n.graf('<a id="yes" href="#" onclick="upm_file_popper_goBack(this.href); return false;">'.gTxt('yes').'</a>.'.
						' <a id="no" href="#" onclick="upm_file_popper_done(\'return\'); return false;">'.gTxt('no').'</a>.')
				, 'div',	' id="return" style="display: none; width: 200px; height: 75px;"').

				n.graf(upm_file_popper_gTxt('success'), ' id="success" style="display: none; width: 150px; height: 35px;"').
				n.graf(upm_file_popper_gTxt('failed'), ' id="failed" style="display: none; width: 150px; height: 35px;"');
		}
	}

// -------------------------------------------------------------

	function upm_file_popper_search_form($crit, $method, $sort, $dir)
	{
		$default_method = 'filename';

		$method = ($method) ? $method : $default_method;

		$methods =	array(
			'id'					=> gTxt('id'),
			'filename'		=> gTxt('file_name'),
			'description' => gTxt('description'),
			'category'		=> gTxt('file_category')
		);

		return n.n.'<form method="get" action="index.php" style="margin: auto; text-align: center;">'.
			graf(
				'<label for="upm-file-popper-search">'.gTxt('search').'</label>'.sp.
				selectInput('search_method', $methods, $method, '', '', 'upm-file-popper-search').sp.
				fInput('text', 'crit', $crit, 'edit', '', '', '15').
				eInput('upm_file_popper').
				hInput('bm','true').
				fInput('submit', 'search', gTxt('go'), 'smallerbox')
			).

			($crit ? n.graf('<a href="?event=upm_file_popper'.a.'bm=true">'.upm_file_popper_gTxt('view_all').'</a>') : '').

		n.'</form>';
	}

// -------------------------------------------------------------

	function upm_file_popper_pageby_form()
	{
		global $prefs;

		$vals = array(
			15	=> 15,
			25	=> 25,
			50	=> 50,
			100 => 100
		);

		$select_page = selectInput('qty', $vals, $prefs['file_list_pageby'], '', 1);

		// proper localisation
		$page = str_replace('{page}', $select_page, gTxt('view_per_page'));

		return form(
			'<div style="margin: auto; text-align: center;">'.
				$page.
				eInput('upm_file_popper').
				sInput('upm_file_popper_change_pageby').
				hInput('bm', '1').
				'<noscript> <input type="submit" value="'.gTxt('go').'" class="smallerbox" /></noscript>'.
			'</div>'
		);
	}

// -------------------------------------------------------------

	function upm_file_popper_link()
	{
		$view = gps('view');

		if ($view == 'text' or empty($view))
		{
			echo <<<form

<form action="">
<input type="hidden" id="upm_file_popper_start" value="">
</form>

<script type="text/javascript" src="index.php?event=upm_file_popper_js&#38;name=link"></script>
form;
		}
	}

// -------------------------------------------------------------

	function upm_file_popper_js()
	{
		global $prefs;

		while (@ob_end_clean());

		header("Content-type: text/javascript");

		if (empty($prefs['upm_file_field']))
		{
			$lang_forgot_field = upm_file_popper_gTxt('forgot_field');

			echo <<<js
/*
upm_file_popper - custom field has not been defined
*/

$(document).ready(function() {
	alert('$lang_forgot_field');
});
js;
			exit(0);
		}

		else
		{
			$upm_file_field = !empty($prefs['upm_file_field']) ? $prefs['upm_file_field'] : '';
			$upm_file_field = str_replace('_', '-', $upm_file_field);
		}

		if (gps('name') == 'link')
		{
			$txt = gTxt('advanced_options');

			$lang_attach_file = upm_file_popper_gTxt('attach_file');

			echo <<<js
/*
upm_file_popper - article window
*/

$(document).ready(function() {
	// ------------------------------
	// setup article edit tracking

	$('#upm_file_popper_start').val( $('body').val() );

	// ------------------------------
	// create and insert popup link

	var w = 800;
	var h = 500;

	var t = (screen.height) ? (screen.height - h) / 2 : 0;
	var l = (screen.width) ? (screen.width - w) / 2 : 0;

	var a = $(document.createElement('a')).
		text('$lang_attach_file').
		attr({
			target: '_blank',
			href: '?event=upm_file_popper\u0026bm=1\u0026sort=id\u0026dir=desc'
		}).
		click(function () {
			var upm_file_popper = window.open(this.href, 'upm_file_popper', 'top = '+t+', left = '+l+', width = '+w+', height = '+h+', toolbar = no, location = no, directories = no, status = yes, menubar = no, scrollbars = yes, copyhistory = no, resizable = yes');
			upm_file_popper.focus();
			return false;
		});

	var link = $(document.createElement('h3')).
		addClass('plain').
		append(a);

	$('h3.plain > a:contains("$txt")').
		before(link);
});
js;

		exit(0);
	}

	elseif (gps('name') == 'pop')
	{
		$lang_check_leave = upm_file_popper_gTxt('check_leave');

		echo <<<js
/*
upm_file_popper - popup window
*/

	function upm_file_popper_attachFile(id)
	{
		var field = $('#$upm_file_field', window.opener.document).val();

		if ($('form[name="article"]', window.opener))
		{
			if (field == '')
			{
				$('#$upm_file_field', window.opener.document).val(id);
				return upm_file_popper_showMsg('success');
			}

			else
			{
				$('#$upm_file_field', window.opener.document).val(field + ',' + id);
				return upm_file_popper_showMsg('success');
			}
		}

		return upm_file_popper_showMsg('failed');
	}

// -------------------------------------------------------------

	function upm_file_popper_warnEditFile(id)
	{
		if ($('#body', window.opener.document).val() != $('#upm_file_popper_start', window.opener.document).val())
		{
			var check = confirm('$lang_check_leave');

			if (check)
			{
				upm_file_popper_goEditFile(id);
			}
		}

		else
		{
			upm_file_popper_goEditFile(id);
		}
	}

// -------------------------------------------------------------

	function upm_file_popper_goEditFile(id)
	{
		window.opener.focus();

		if ($('input[name="step"]', window.opener.document).val() != 'create')
		{
			$('#yes').attr('href', window.opener.document.location);
			upm_file_popper_showMsg('return');
		}

		window.opener.document.location = '?event=file\u0026step=file_edit\u0026id='+id;
	}

// -------------------------------------------------------------

	function upm_file_popper_goBack(url)
	{
		window.opener.focus();

		upm_file_popper_done('return');

		window.opener.document.location = url;
	}

// -------------------------------------------------------------

	function upm_file_popper_showMsg(id)
	{
		var msg = $('#'+id);

		msg.css({
			position: 'absolute',
			top:			100 + upm_file_popper_scrollTop() + 'px',
			left:			( (upm_file_popper_pageWidth() / 2) - (parseInt(msg.css('width')) / 2) ) + upm_file_popper_scrollLeft() + 'px',
			display:	'block'
		});

		if (id != 'return')
		{
			setTimeout("upm_file_popper_done('"+id+"')", 1000);
		}
	}

// -------------------------------------------------------------

	function upm_file_popper_done(id)
	{
		$('#'+id).css('display', 'none');
	}

// -------------------------------------------------------------

	function upm_file_popper_pageWidth()
	{
		if (self.innerWidth)
		{
			return self.innerWidth;
		}

		else if (document.documentElement && document.documentElement.clientWidth)
		{
			return document.documentElement.clientWidth;
		}

		return 0;
	}

// -------------------------------------------------------------

	function upm_file_popper_scrollTop()
	{
		if (self.pageYOffset)
		{
			return self.pageYOffset;
		}

		else if (document.documentElement && document.documentElement.scrollTop)
		{
			return document.documentElement.scrollTop;
		}

		return 0;
	}

// -------------------------------------------------------------

	function upm_file_popper_scrollLeft()
	{
		if (self.pageYOffset)
		{
			return self.pageXOffset;
		}

		else if (document.documentElement && document.documentElement.scrollTop)
		{
			return document.documentElement.scrollLeft;
		}

		return 0;
	}
js;

		exit(0);
	}
}

// -------------------------------------------------------------

	function upm_file_popper_img()
	{
		while (@ob_end_clean());

		header("Content-type: image/gif");

		echo base64_decode('iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABGdBTUEAAK/INwWK6'.
			'QAAABl0RVh0U29mdHdhcmUAQWRvYmUgSW1hZ2VSZWFkeXHJZTwAAAJvSURBVDjLpZPrS5NhGIf9W7YvBYO'.
			'khlkoqCklWChv2WyKik7blnNris72bi6dus0DLZ0TDxW1odtopDs4D8MDZuLU0kXq61CijSIIasOvv94VT'.
			'UfLiB74fXngup7nvrnvJABJ/5PfLnTTdcwOj4RsdYmo5glBWP6iOtzwvIKSWstI0Wgx80SBblpKtE9KQs/'.
			'We7EaWoT/8wbWP61gMmCH0lMDvokT4j25TiQU/ITFkek9Ow6+7WH2gwsmahCPdwyw75uw9HEO2gUZSkfyI'.
			'9zBPCJOoJ2SMmg46N61YO/rNoa39Xi41oFuXysMfh36/Fp0b7bAfWAH6RGi0HglWNCbzYgJaFjRv6zGuy+'.
			'b9It96N3SQvNKiV9HvSaDfFEIxXItnPs23BzJQd6DDEVM0OKsoVwBG/1VMzpXVWhbkUM2K4oJBDYuGmbKI'.
			'J0qxsAbHfRLzbjcnUbFBIpx/qH3vQv9b3U03IQ/HfFkERTzfFj8w8jSpR7GBE123uFEYAzaDRIqX/2JAtJ'.
			'bDat/COkd7CNBva2cMvq0MGxp0PRSCPF8BXjWG3FgNHc9XPT71Ojy3sMFdfJRCeKxEsVtKwFHwALZfCUk3'.
			'tIfNR8XiJwc1LmL4dg141JPKtj3WUdNFJqLGFVPC4OkR4BxajTWsChY64wmCnMxsWPCHcutKBxMVp5mxA1'.
			'S+aMComToaqTRUQknLTH62kHOVEE+VQnjahscNCy0cMBWsSI0TCQcZc5ALkEYckL5A5noWSBhfm2AecMAj'.
			'bcRWV0pUTh0HE64TNf0mczcnnQyu/MilaFJCae1nw2fbz1DnVOxyGTlKeZft/Ff8x1BRssfACjTwQAAAAB'.
			'JRU5ErkJggg==');

		exit(0);
	}

// -------------------------------------------------------------

	function upm_file_popper_gTxt($var, $atts = array())
	{
		$lang = array(
			'attach'              => 'Attach',
			'attach_file'         => 'Attach File',
			'check_leave'         => 'You have made changes to the current post which you have not saved. Continue without saving?',
			'description_for'     => 'Description for',
			'failed'              => 'Insert failed.',
			'file_selector'       => 'File Selector',
			'forgot_field'        => 'You forgot to define the custom field for upm_file/upm_file_popper to use. Ensure that you have a custom field available, and that you have upm_file installed and activated, then visit Extensions > upm_file.',
			'no_description'      => 'No description has been defined for this file.',
			'packet_custom_field' => 'Packet Custom Field',
			'return'              => 'Return to editing the post?',
			'success'             => 'Success.',
			'view_all'            => 'View All'
		);

		return strtr($lang[$var], $atts);
	}