plugins/gallery/browser.php
author Dan Fuhry <dan@enanocms.org>
Sun, 19 Sep 2010 03:51:00 -0400
changeset 45 740bbe1f4dd5
parent 42 7c6e2e97aa08
permissions -rw-r--r--
So yeah, new uploader broke on everything but zip files. Fixed that.

<?php

/*
 * Snapr
 * Version 0.1 beta 1
 * Copyright (C) 2007 Dan Fuhry
 *
 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
 */

##
## BROWSER INTERFACE
##

$plugins->attachHook('session_started', 'register_special_page("Gallery", "Image gallery");');

/**
 * Class to handle building the HTML for gallery pages. Called by the pagination function.
 * @package Enano
 * @subpackage Snapr
 * @access private
 */
 
class SnaprFormatter
{
	
	/**
 	* Main render method, called from pagination function
 	* @access private
 	*/
	
	function render($column_crap, $row, $row_crap = false)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		
		$out = '<li class="snapr-icon">';
		
		$title_safe = $row['img_title'];
		$title_safe = htmlspecialchars($title_safe);
		
		if ( $row['is_folder'] == 1 )
		{
			// It's a folder, show the icon
			$f_url_particle = sanitize_page_id($row['img_title']);
			$f_url_particle = htmlspecialchars($f_url_particle);
			$image_link = makeUrl( $paths->fullpage . '/' . $f_url_particle );
			$image_url = scriptPath . '/plugins/gallery/folder.png';
		}
		else
		{
			// It's an image, show a thumbnail
			$image_link = makeUrlNS('Gallery', $row['img_id']);
			$image_url  = makeUrlNS('Special', 'GalleryFetcher/thumb/' . $row['img_id']);
		}
		
		if ( isset($row['score']) )
		{
			$row['score'] = number_format($row['score'], 2);
		}
		
		$image_url_js = addslashes($image_link);
		$jsclick = ( $session->user_level < USER_LEVEL_ADMIN ) ? ' onclick="window.location=\'' . $image_url_js . '\'"' : '';
		
		$out .= '<div class="gallery_icon"' . $jsclick . '>';
		
		$out .= '<a class="snapr-imagelink" href="' . $image_link . '"><img alt="&lt;Thumbnail&gt;" class="gallery_thumb" src="' . $image_url . '" /></a>';
		
		if ( $session->user_level < USER_LEVEL_ADMIN )
		{
			$out .= '<span class="snapr-icon-label">' . $title_safe . ( isset($row['score']) ? "<br /><small>Relevance: {$row['score']}</small>" : '' ) . '</span>';
		}
		else if ( $session->user_level >= USER_LEVEL_ADMIN )
		{
			$out .= '<div class="menu_nojs snapr-icon-label" style="text-align: center;"><a href="#" onclick="return false;" style="width: 74px;">' . $title_safe . ( isset($row['score']) ? "<br /><small>Relevance: {$row['score']}</small>" : '' ) . '</a>';
			
			$url_delete = makeUrlNS('Special', 'GalleryUpload', 'rm=' . $row['img_id'], true);
			$url_edit   = makeUrlNS('Special', 'GalleryUpload', 'edit_img=' . $row['img_id'], true);
			
			// Tools menu
			$out .= '<ul style="text-align: left;">';
			$out .= '<li><a href="' . $url_delete . '">Delete ' . ( $row['is_folder'] == 1 ? 'this folder and all contents' : 'this image' ) . '</a></li>';
			$out .= '<li><a href="' . $url_edit   . '">Rename, move, or edit description</a></li>';
			$out .= '</ul>';
			$out .= '</div>';
			$out .= '<span class="menuclear"></span>';
		}
		
		$out .= '  </div>';
		
		$out .= '</li>';
		
		return $out;
	}
	
}

function page_Special_Gallery()
{
	global $db, $session, $paths, $template, $plugins; // Common objects
	
	// die('<pre>' . print_r(gallery_folder_hierarchy(), true) . '</pre>');
	
	$sort_column = ( isset($_GET['sort'])  && in_array($_GET['sort'],  array('img_title', 'img_time_upload', 'img_time_mod')) ) ? $_GET['sort'] : 'img_title';
	$sort_order  = ( isset($_GET['order']) && in_array($_GET['order'], array('ASC', 'DESC')) ) ? $_GET['order'] : 'ASC';
	
	// Determine number of pictures per page
	$template->load_theme();
	
	$where = 'WHERE folder_parent IS NULL ' . "\n  ORDER BY is_folder DESC, $sort_column $sort_order, img_title ASC";
	$parms = $paths->getAllParams();
	
	$sql = "SELECT img_id, img_title, is_folder, 'NULL' AS folder_id FROM ".table_prefix."gallery $where;";
	
	// Breadcrumb browser
	$breadcrumbs = array();
	$breadcrumbs[] = '<a href="' . makeUrlNS('Special', 'Gallery') . '">Gallery index</a>';
	
	$breadcrumb_urlcache = '';
	
	// CSS for gallery browser
	// Moved to search.php
	//$template->add_header('<link rel="stylesheet" href="' . scriptPath . '/plugins/gallery/browser.css" type="text/css" />');
	//$template->add_header('<link rel="stylesheet" href="' . scriptPath . '/plugins/gallery/dropdown.css" type="text/css" />');
	
	$header = $template->getHeader();
	
	$folders = $f_errors = array();
	if ( !empty($parms) )
	{
		$parms = dirtify_page_id($parms);
		if ( strstr($parms, '/') )
		{
			$folders = explode('/', $parms);
		}
		else
		{
			$folders = array(0 => $parms);
		}
		foreach ( $folders as $i => $_crap )
		{
			$folder =& $folders[$i];
			
			$f_url = sanitize_page_id($folder);
			$breadcrumb_urlcache .= '/' . $f_url;
			$breadcrumb_url = makeUrlNS('Special', 'Gallery' . $breadcrumb_urlcache);
			
			$folder = str_replace('_', ' ', $folder);
			
			if ( $i == ( count($folders) - 1 ) )
			{
				$breadcrumbs[] = htmlspecialchars($folder);
			}
			else
			{
				$breadcrumbs[] = '<a href="' . $breadcrumb_url . '">' . htmlspecialchars($folder) . '</a>';
			}
		}
		unset($folder);
		$folders = array_reverse($folders);
		// This is one of the best MySQL tricks on the market. We're going to reverse-travel a folder path using LEFT JOIN and the incredible power of metacoded SQL
		$sql = 'SELECT gm.img_id, gm.img_title, gm.is_folder, g0.img_title AS folder_name, g0.img_id AS folder_id FROM '.table_prefix.'gallery AS gm' . "\n  " . 'LEFT JOIN '.table_prefix.'gallery AS g0' . "\n    " . 'ON ( gm.folder_parent = g0.img_id )';
		$where = "\n  " . 'WHERE g0.img_title=\'' . $db->escape($folders[0]) . '\'';
		foreach ( $folders as $i => $folder )
		{
			if ( $i == 0 )
				continue;
			$i_dec = $i - 1;
			$folder = $db->escape($folder);
			$sql .= "\n  LEFT JOIN ".table_prefix."gallery AS g{$i}\n    ON ( g{$i}.img_id=g{$i_dec}.folder_parent AND g{$i}.img_title='$folder' )";
			$where .= "\n    ".'AND g'.$i.'.img_id IS NOT NULL';
		}
		$where .= "\n    AND g{$i}.folder_parent IS NULL";
		$sql .= $where . "\n  ORDER BY is_folder DESC, gm.$sort_column $sort_order, gm.img_title ASC" . ';';
	}
	
	$img_query = $db->sql_query($sql);
	if ( !$img_query )
		$db->_die('The folder ID could not be selected.');
	
	if ( $db->numrows() < 1 )
	{
		// Nothing in this folder, for one of two reasons:
		//   1) The folder doesn't exist
		//   2) The folder exists but doesn't have any images in it
		
		if ( count($folders) < 1 )
		{
			// Nothing in the root folder
			
			$first_row['folder_id'] = 'NULL';
			if ( $session->user_level >= USER_LEVEL_ADMIN && isset($_POST['create_folder']) && isset($first_row['folder_id']) )
			{
				if ( empty($_POST['create_folder']) )
				{
					$f_errors[] = 'Please enter a folder name.';
				}
				if ( $_POST['create_folder'] == '_id' )
				{
					$f_errors[] = 'The name "_id" is reserved for internal functions and cannot be used on any image or folder.';
				}
				if ( count($f_errors) < 1 )
				{
					$q = $db->sql_query('INSERT INTO '.table_prefix.'gallery(img_title, is_folder, folder_parent, img_author) VALUES(\'' . $db->escape($_POST['create_folder']) . '\', 1, ' . $first_row['folder_id'] . ', ' . $session->user_id . ');');
					if ( !$q )
						$db->_die();
					redirect(makeUrl($paths->fullpage), 'Folder created', 'The folder "' . htmlspecialchars($_POST['create_folder']) . '" has been created. Redirecting to last viewed folder...', 2);
				}
			}
			
			$html = '';
			if ( $session->user_level >= USER_LEVEL_ADMIN )
			{
				$html .= '<p><a href="' . makeUrlNS('Special', 'GalleryUpload') . '">Upload an image</a></p>';
				$html .= '<div class="select-outer">Create new folder';
				$html .= '<div class="select-inner" style="padding-top: 4px;">';
				$html .= '<form action="' . makeUrl($paths->fullpage) . '" method="post">';
				$html .= '<input type="text" name="create_folder" size="30" /> <input type="submit" value="Create" />';
				$html .= '</form></div>';
				$html .= '</div><div class="select-pad">&nbsp;</div><br />';
			}
			
			die_friendly('No images', '<p>No images have been uploaded to the gallery yet.</p>' . $html);
		}
		
		/*
		$folders_old = $folders;
		$folders = array(
			0 => $folders_old[0]
			);
		$x = $folders_old;
		unset($x[0]);
		$folders = array_merge($folders, $x);
		unset($x);
		*/
		// die('<pre>' . print_r($folders, true) . '</pre>');
		
		// This next query will try to determine if the folder itself exists
		$sql = 'SELECT g0.img_id, g0.img_title FROM '.table_prefix.'gallery AS g0';
		$where = "\n  " . 'WHERE g0.img_title=\'' . $db->escape($folders[0]) . '\'';
		foreach ( $folders as $i => $folder )
		{
			if ( $i == 0 )
				continue;
			$i_dec = $i - 1;
			$folder = $db->escape($folder);
			$sql .= "\n  LEFT JOIN ".table_prefix."gallery AS g{$i}\n    ON ( g{$i}.img_id=g{$i_dec}.folder_parent AND g{$i}.img_title='$folder' )";
			$where .= "\n    ".'AND g'.$i.'.img_id IS NOT NULL';
		}
		$where .= "\n    AND g{$i}.folder_parent IS NULL";
		$where .= "\n    AND g0.is_folder=1";
		$sql .= $where . ';';
 	
		$nameq = $db->sql_query($sql);
		if ( !$nameq )
			$db->_die();
		
		if ( $db->numrows($nameq) < 1 )
		{
			die_friendly('Folder not found', '<p>The folder you requested doesn\'t exist. Please check the URL and try again, or return to the <a href="' . makeUrlNS('Special', 'Gallery') . '">gallery index</a>.</p>');
		}
		
		$row = $db->fetchrow($nameq);
		
		// Generate title
		$title = dirtify_page_id($row['img_title']);
		$title = str_replace('_', ' ', $title);
		$title = htmlspecialchars($title);
		
		$template->tpl_strings['PAGE_NAME'] = $title;
		
		$first_row = $row;
		
		if ( $db->numrows($img_query) > 0 )
			$db->sql_data_seek(0, $img_query);
		
		/* $folders = $folders_old; */
	}
	else if ( !empty($parms) )
	{
		$row = $db->fetchrow($img_query);
		$first_row = $row;
		
		// Generate title
		$title = htmlspecialchars($row['folder_name']);
		
		$template->tpl_strings['PAGE_NAME'] = $title;
		
		$db->sql_data_seek(0, $img_query);
	}
	else
	{
		$row = $db->fetchrow($img_query);
		$first_row = $row;
		
		$template->tpl_strings['PAGE_NAME'] = 'Image Gallery';
		$breadcrumbs = array('<b>Gallery index</b>');
		
		$db->sql_data_seek(0, $img_query);
	}
	
	$f_errors = array();
	
	if ( $session->user_level >= USER_LEVEL_ADMIN && isset($_POST['create_folder']) )
	{
		if ( !isset($first_row['folder_id']) )
		{
			//die('FALLING<pre>' . print_r($first_row, true) . '</pre>');
			$first_row['folder_id'] =& $first_row['img_id'];
		}
		if ( !isset($first_row['folder_id']) )
		{
			$f_errors[] = 'Internal error getting parent folder ID';
		}
		if ( empty($_POST['create_folder']) )
		{
			$f_errors[] = 'Please enter a folder name.';
		}
		if ( $_POST['create_folder'] == '_id' )
		{
			$f_errors[] = 'The name "_id" is reserved for internal functions and cannot be used on any image or folder.';
		}
		if ( count($f_errors) < 1 )
		{
			$q = $db->sql_query('INSERT INTO '.table_prefix.'gallery(img_title, is_folder, folder_parent, img_author) VALUES(\'' . $db->escape($_POST['create_folder']) . '\', 1, ' . $first_row['folder_id'] . ', ' . $session->user_id . ');');
			if ( !$q )
				$db->_die();
			redirect(makeUrl($paths->fullpage), 'Folder created', 'The folder "' . htmlspecialchars($_POST['create_folder']) . '" has been created. Redirecting to last viewed folder...', 2);
		}
	}
	
	echo $header;
	
	if ( count($f_errors) > 0 )
	{
		echo '<div class="error-box">Error creating folder:<ul><li>' . implode('</li><li>', $f_errors) . '</li></ul></div>';
	}
	
	// From here, this breadcrumb stuff is a piece of... sourdough French bread :-) *smacks lips*
	echo '<div class="breadcrumbs" style="padding: 4px; margin-bottom: 7px;">';
	// Upload image link for admins
	if ( $session->user_level >= USER_LEVEL_ADMIN )
	{
		echo '<div style="float: right; font-size: smaller;">';
		echo '<a href="' . makeUrlNS('Special', 'GalleryUpload') . '">Upload new image(s)</a>';
		echo '</div>';
	}
	// The actual breadcrumbs
	echo '<small>' . implode(' &raquo; ', $breadcrumbs) . '</small>';
	echo '</div>';
	
	// "Edit all" link
	if ( $row = $db->fetchrow($img_query) && $session->user_level >= USER_LEVEL_ADMIN )
	{
		$img_list = array();
		$fol_list = array();
		$all_list = array();
		do
		{
			if ( $row === true && isset($first_row) )
			{
				$row = $first_row;
			}
				// die('<pre>' . var_dump($row) . $db->sql_backtrace() . '</pre>');
			if ( !$row['img_id'] )
				break;
			$all_list[] = $row['img_id'];
			if ( $row['is_folder'] == 1 )
				$fol_list[] = $row['img_id'];
			else
				$img_list[] = $row['img_id'];
		}
		while ( $row = $db->fetchrow($img_query) );
		
		$all_list = implode(',', $all_list);
		$fol_list = implode(',', $fol_list);
		$img_list = implode(',', $img_list);
		
		if ( !empty($all_list) )
		{
			echo '<div style="float: right;">
							Edit all in this folder: ';
			if ( !empty($img_list) )
			{
				$edit_link = makeUrlNS('Special', 'GalleryUpload', 'edit_img=' . $img_list, true);
				echo "<a href=\"$edit_link\">images</a> ";
			}
			if ( !empty($fol_list) )
			{
				$edit_link = makeUrlNS('Special', 'GalleryUpload', 'edit_img=' . $fol_list, true);
				echo "<a href=\"$edit_link\">folders</a> ";
			}
			if ( !empty($img_list) && !empty($fol_list) )
			{
				$edit_link = makeUrlNS('Special', 'GalleryUpload', 'edit_img=' . $all_list, true);
				echo "<a href=\"$edit_link\">both</a> ";
			}
			// " Bypass stupid jEdit bug
			echo '</div>';
		}
	}
	
	$url_sort_name_asc  = makeUrl($paths->fullpage, 'sort=img_title&order=ASC', true);
	$url_sort_name_desc = makeUrl($paths->fullpage, 'sort=img_title&order=DESC', true);
	$url_sort_upl_asc   = makeUrl($paths->fullpage, 'sort=img_time_upload&order=ASC', true);
	$url_sort_mod_asc   = makeUrl($paths->fullpage, 'sort=img_time_mod&order=ASC', true);
	$url_sort_upl_desc  = makeUrl($paths->fullpage, 'sort=img_time_upload&order=DESC', true);
	$url_sort_mod_desc  = makeUrl($paths->fullpage, 'sort=img_time_mod&order=DESC', true);
	
	// "Sort by" selector (pure CSS!)
	echo '<div class="select-outer">
					<span>Sort by...</span>
					<div class="select-inner">
						<a href="' . $url_sort_name_asc  . '">Image title (A-Z) <b>(default)</b></a>
						<a href="' . $url_sort_name_desc . '">Image title (Z-A)</a>
						<a href="' . $url_sort_upl_desc  . '">Time first uploaded (newest first)</a>
						<a href="' . $url_sort_upl_asc   . '">Time first uploaded (oldest first)</a>
						<a href="' . $url_sort_mod_desc  . '">Date of last modification (newest first)</a>
						<a href="' . $url_sort_mod_asc   . '">Date of last modification (oldest first)</a>
					</div>
				</div>
				<div class="select-pad">&nbsp;</div>';
	
	if ( $db->numrows($img_query) > 0 )
	$db->sql_data_seek(0, $img_query);
	
	//
	// Main fetcher
	//
	
	$renderer = new SnaprFormatter();
	$callers = array(
		'img_id' => array($renderer, 'render')
		);
	
	$renderer->icons_per_row = 5;
	
	$start = 0;
	if ( isset($_GET['start']) && preg_match('/^[0-9]+$/', $_GET['start']) )
	{
		$start = intval($_GET['start']);
	}
	
	$per_page = 25;
	
	$html = paginate($img_query, '{img_id}', $db->numrows($img_query), makeUrl($paths->fullpage, 'sort=' . $sort_column . '&order=' . $sort_order . '&start=%s', false), $start, $per_page, $callers, '<ul class="snapr-gallery">', '</ul><span class="menuclear"></span>');
	if ( empty($html) )
	{
		  echo '<h2 class="emptymessage">No images</h2>';
	}
	else
	{
	  echo $html;
	}
	
	if ( $session->user_level >= USER_LEVEL_ADMIN )
	{
		echo '<div class="select-outer">Create new folder';
		echo '<div class="select-inner" style="padding-top: 4px;">';
		echo '<form action="' . makeUrl($paths->fullpage) . '" method="post">';
		echo '<input type="text" name="create_folder" size="30" /> <input type="submit" value="Create" />';
		echo '</form></div>';
		echo '</div><div class="select-pad">&nbsp;</div><br />';
	}
	
	$template->footer();
	
}

?>