<?php
/***************************************************************************
*
* Copyright (c) by Andreas Unterkircher, unki@netshadow.at
* All rights reserved
*
* This program is free software; you can redistribute it 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
* 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 more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
***************************************************************************/
require_once "phpfspot_cfg.php";
require_once "phpfspot_db.php";
require_once "phpfspot_tmpl.php";
class PHPFSPOT {
var $cfg;
var $db;
var $cfg_db;
var $tmpl;
var $tags;
var $avail_tags;
/**
* class constructor
*
* this function will be called on class construct
* and will check requirements, loads configuration,
* open databases and start the user session
*/
public function __construct()
{
/* Check necessary requirements */
if(!$this->checkRequirements()) {
exit(1);
}
$this->cfg = new PHPFSPOT_CFG;
$this->db = new PHPFSPOT_DB(&$this, $this->cfg->fspot_db);
if(!is_writeable(dirname($this->cfg->phpfspot_db))) {
print dirname($this->cfg->phpfspot_db) .": directory is not writeable!";
exit(1);
}
$this->cfg_db = new PHPFSPOT_DB(&$this, $this->cfg->phpfspot_db);
if(!is_writeable($this->cfg->phpfspot_db)) {
print $this->cfg->phpfspot_db ." is not writeable for user ". $this->getuid() ."\n";
exit(1);
}
$this->check_config_table();
$this->tmpl = new PHPFSPOT_TMPL($this);
$this->get_tags();
session_start();
if(!isset($_SESSION['tag_condition']))
$_SESSION['tag_condition'] = 'or';
if(!isset($_SESSION['sort_order']))
$_SESSION['sort_order'] = 'date_asc';
if(!isset($_SESSION['searchfor']))
$_SESSION['searchfor'] = '';
// if begin_with is still set but rows_per_page is now 0, unset it
if(isset($_SESSION['begin_with']) && $this->cfg->rows_per_page == 0)
unset($_SESSION['begin_with']);
} // __construct()
public function __destruct()
{
} // __destruct()
/**
* show - generate html output
*
* this function can be called after the constructor has
* prepared everyhing. it will load the index.tpl smarty
* template. if necessary it will registere pre-selects
* (photo index, photo, tag search, date search) into
* users session.
*/
public function show()
{
$this->tmpl->assign('searchfor', $_SESSION['searchfor']);
$this->tmpl->assign('page_title', $this->cfg->page_title);
$this->tmpl->assign('current_condition', $_SESSION['tag_condition']);
$this->tmpl->assign('template_path', 'themes/'. $this->cfg->theme_name);
$_SESSION['start_action'] = $_GET['mode'];
switch($_GET['mode']) {
case 'showpi':
if(isset($_GET['tags'])) {
$_SESSION['selected_tags'] = split(',', $_GET['tags']);
}
if(isset($_GET['from_date'])) {
$_SESSION['from_date'] = $_GET['from_date'];
}
if(isset($_GET['to_date'])) {
$_SESSION['to_date'] = $_GET['to_date'];
}
break;
case 'showp':
if(isset($_GET['tags'])) {
$_SESSION['selected_tags'] = split(',', $_GET['tags']);
$_SESSION['start_action'] = 'showp';
}
if(isset($_GET['id'])) {
$_SESSION['current_photo'] = $_GET['id'];
$_SESSION['start_action'] = 'showp';
}
if(isset($_GET['from_date'])) {
$_SESSION['from_date'] = $_GET['from_date'];
}
if(isset($_GET['to_date'])) {
$_SESSION['to_date'] = $_GET['to_date'];
}
break;
case 'export':
$this->tmpl->show("export.tpl");
return;
break;
case 'slideshow':
$this->tmpl->show("slideshow.tpl");
return;
break;
}
$this->tmpl->assign('from_date', $this->get_calendar('from'));
$this->tmpl->assign('to_date', $this->get_calendar('to'));
$this->tmpl->assign('sort_field', $this->get_sort_field());
$this->tmpl->assign('content_page', 'welcome.tpl');
$this->tmpl->show("index.tpl");
} // show()
/**
* get_tags - grab all tags of f-spot's database
*
* this function will get all available tags from
* the f-spot database and store them within two
* arrays within this clase for later usage. in
* fact, if the user requests (hide_tags) it will
* opt-out some of them.
*
* this function is getting called once by show()
*/
private function get_tags()
{
$this->avail_tags = Array();
$count = 0;
$result = $this->db->db_query("
SELECT id,name
FROM tags
ORDER BY sort_priority ASC
");
while($row = $this->db->db_fetch_object($result)) {
$tag_id = $row['id'];
$tag_name = $row['name'];
/* check if config requests to ignore this tag */
if(in_array($row['name'], $this->cfg->hide_tags))
continue;
$this->tags[$tag_id] = $tag_name;
$this->avail_tags[$count] = $tag_id;
$count++;
}
} // get_tags()
/**
* extract all photo details
*
* retrieve all available details from f-spot's
* database and return them as object
*/
public function get_photo_details($idx)
{
$result = $this->db->db_query("
SELECT *
FROM photos
WHERE id='". $idx ."'
");
return $this->db->db_fetch_object($result);
} // get_photo_details
/**
* returns aligned photo names
*
* this function returns aligned (length) names for
* an specific photo. If the length of the name exceeds
* $limit the name will be shrinked (...)
*/
public function getPhotoName($idx, $limit = 0)
{
if($details = $this->get_photo_details($idx)) {
$name = $details['name'];
if($limit != 0 && strlen($name) > $limit) {
$name = substr($name, 0, $limit-5) ."...". substr($name, -($limit-5));
}
return $name;
}
} // getPhotoName()
/**
* translate f-spoth photo path
*
* as the full-qualified path recorded in the f-spot database
* is usally not the same as on the webserver, this function
* will replace the path with that one specified in the cfg
*/
public function translate_path($path, $width = 0)
{
return str_replace($this->cfg->path_replace_from, $this->cfg->path_replace_to, $path);
} // translate_path
/**
* control HTML ouput for a single photo
*
* this function provides all the necessary information
* for the single photo template.
*/
public function showPhoto($photo)
{
/* get all photos from the current photo selection */
$all_photos = $this->getPhotoSelection();
$count = count($all_photos);
for($i = 0; $i < $count; $i++) {
// $get_next will be set, when the photo which has to
// be displayed has been found - this means that the
// next available is in fact the NEXT image (for the
// navigation icons)
if(isset($get_next)) {
$next_img = $all_photos[$i];
break;
}
/* the next photo is our NEXT photo */
if($all_photos[$i] == $photo) {
$get_next = 1;
}
else {
$previous_img = $all_photos[$i];
}
if($photo == $all_photos[$i]) {
$current = $i;
}
}
$details = $this->get_photo_details($photo);
if(!$details) {
print "error";
return;
}
$orig_path = $this->translate_path($details['directory_path']) ."/". $details['name'];
$thumb_path = $this->cfg->base_path ."/thumbs/". $this->cfg->photo_width ."_". $this->getMD5($photo);
if(!file_exists($orig_path)) {
$this->_error("Photo ". $orig_path ." does not exist!<br />\n");
}
if(!is_readable($orig_path)) {
$this->_error("Photo ". $orig_path ." is not readable for user ". $this->getuid() ."<br />\n");
}
/* If the thumbnail doesn't exist yet, try to create it */
if(!file_exists($thumb_path)) {
$this->gen_thumb($photo, true);
$thumb_path = $this->cfg->base_path ."/thumbs/". $this->cfg->photo_width ."_". $this->getMD5($photo);
}
/* get f-spot database meta information */
$meta = $this->get_meta_informations($orig_path);
/* If EXIF data are available, use them */
if(isset($meta['ExifImageWidth'])) {
$meta_res = $meta['ExifImageWidth'] ."x". $meta['ExifImageLength'];
} else {
$info = getimagesize($orig_path);
$meta_res = $info[0] ."x". $info[1];
}
$meta_date = isset($meta['FileDateTime']) ? strftime("%a %x %X", $meta['FileDateTime']) : "n/a";
$meta_make = isset($meta['Make']) ? $meta['Make'] ." / ". $meta['Model'] : "n/a";
$meta_size = isset($meta['FileSize']) ? round($meta['FileSize']/1024, 1) ."kbyte" : "n/a";
$extern_link = "index.php?mode=showp&id=". $photo;
$current_tags = $this->getCurrentTags();
if($current_tags != "") {
$extern_link.= "&tags=". $current_tags;
}
if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
$extern_link.= "&from_date=". $_SESSION['from_date'] ."&to_date=". $_SESSION['to_date'];
}
$this->tmpl->assign('extern_link', $extern_link);
if(file_exists($thumb_path)) {
$info = getimagesize($thumb_path);
$this->tmpl->assign('description', $details['description']);
$this->tmpl->assign('image_name', $details['name']);
$this->tmpl->assign('width', $info[0]);
$this->tmpl->assign('height', $info[1]);
$this->tmpl->assign('ExifMadeOn', $meta_date);
$this->tmpl->assign('ExifMadeWith', $meta_make);
$this->tmpl->assign('ExifOrigResolution', $meta_res);
$this->tmpl->assign('ExifFileSize', $meta_size);
$this->tmpl->assign('image_url', 'phpfspot_img.php?idx='. $photo ."&width=". $this->cfg->photo_width);
$this->tmpl->assign('image_url_full', 'phpfspot_img.php?idx='. $photo);
$this->tmpl->assign('tags', $this->get_photo_tags($photo));
$this->tmpl->assign('current', $current);
}
else {
$this->_error("Can't open file ". $thumb_path ."\n");
return;
}
if($previous_img) {
$this->tmpl->assign('previous_url', "javascript:showImage(". $previous_img .");");
$this->tmpl->assign('prev_img', $previous_img);
}
if($next_img) {
$this->tmpl->assign('next_url', "javascript:showImage(". $next_img .");");
$this->tmpl->assign('next_img', $next_img);
}
$this->tmpl->assign('mini_width', $this->cfg->mini_width);
$this->tmpl->assign('photo_number', $i);
$this->tmpl->assign('photo_count', count($all_photos));
$this->tmpl->show("single_photo.tpl");
} // showPhoto()
/**
* all available tags and tag cloud
*
* this function outputs all available tags (time ordered)
* and in addition output them as tag cloud (tags which have
* many photos will appears more then others)
*/
public function getAvailableTags()
{
$output = "";
$result = $this->db->db_query("
SELECT tag_id as id, count(tag_id) as quantity
FROM photo_tags
INNER JOIN tags t
ON t.id = tag_id
GROUP BY tag_id
ORDER BY t.name ASC
");
$tags = Array();
while($row = $this->db->db_fetch_object($result)) {
$tags[$row['id']] = $row['quantity'];
}
// change these font sizes if you will
$max_size = 125; // max font size in %
$min_size = 75; // min font size in %
// get the largest and smallest array values
$max_qty = max(array_values($tags));
$min_qty = min(array_values($tags));
// find the range of values
$spread = $max_qty - $min_qty;
if (0 == $spread) { // we don't want to divide by zero
$spread = 1;
}
// determine the font-size increment
// this is the increase per tag quantity (times used)
$step = ($max_size - $min_size)/($spread);
// loop through our tag array
foreach ($tags as $key => $value) {
if(isset($_SESSION['selected_tags']) && in_array($key, $_SESSION['selected_tags']))
continue;
// calculate CSS font-size
// find the $value in excess of $min_qty
// multiply by the font-size increment ($size)
// and add the $min_size set above
$size = $min_size + (($value - $min_qty) * $step);
// uncomment if you want sizes in whole %:
$size = ceil($size);
$output.= "<a href=\"javascript:Tags('add', ". $key .");\" class=\"tag\" style=\"font-size: ". $size ."%;\">". $this->tags[$key] ."</a>, ";
}
$output = substr($output, 0, strlen($output)-2);
print $output;
} // getAvailableTags()
/**
* output all selected tags
*
* this function output all tags which have been selected
* by the user. the selected tags are stored in the
* session-variable $_SESSION['selected_tags']
*/
public function getSelectedTags()
{
$output = "";
foreach($this->avail_tags as $tag)
{
// return all selected tags
if(isset($_SESSION['selected_tags']) && in_array($tag, $_SESSION['selected_tags'])) {
$output.= "<a href=\"javascript:Tags('del', ". $tag .");\" class=\"tag\">". $this->tags[$tag] ."</a>, ";
}
}
$output = substr($output, 0, strlen($output)-2);
print $output;
} // getSelectedTags()
/**
* add tag to users session variable
*
* this function will add the specified to users current
* tag selection. if a date search has been made before
* it will be now cleared
*/
public function addTag($tag)
{
if(!isset($_SESSION['selected_tags']))
$_SESSION['selected_tags'] = Array();
if(!in_array($tag, $_SESSION['selected_tags']))
array_push($_SESSION['selected_tags'], $tag);
} // addTag()
/**
* remove tag to users session variable
*
* this function removes the specified tag from
* users current tag selection
*/
public function delTag($tag)
{
if(isset($_SESSION['selected_tags'])) {
$key = array_search($tag, $_SESSION['selected_tags']);
unset($_SESSION['selected_tags'][$key]);
sort($_SESSION['selected_tags']);
}
} // delTag()
/**
* reset tag selection
*
* if there is any tag selection, it will be
* deleted now
*/
public function resetTags()
{
if(isset($_SESSION['selected_tags']))
unset($_SESSION['selected_tags']);
} // resetTags()
/**
* reset single photo
*
* if a specific photo was requested (external link)
* unset the session variable now
*/
public function resetPhotoView()
{
if(isset($_SESSION['current_photo']))
unset($_SESSION['current_photo']);
} // resetPhotoView();
/**
* reset tag search
*
* if any tag search has taken place, reset
* it now
*/
public function resetTagSearch()
{
if(isset($_SESSION['searchfor']))
unset($_SESSION['searchfor']);
} // resetTagSearch()
/**
* reset date search
*
* if any date search has taken place, reset
* it now
*/
public function resetDateSearch()
{
if(isset($_SESSION['from_date']))
unset($_SESSION['from_date']);
if(isset($_SESSION['to_date']))
unset($_SESSION['to_date']);
} // resetDateSearch();
/**
* return all photo according selection
*
* this function returns all photos based on
* the tag-selection, tag- or date-search.
* the tag-search also has to take care of AND
* and OR conjunctions
*/
public function getPhotoSelection()
{
$matched_photos = Array();
if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
$from_date = strtotime($_SESSION['from_date']);
$to_date = strtotime($_SESSION['to_date']);
$additional_where_cond = "
p.time>='". $from_date ."'
AND
p.time<='". $to_date ."'
";
}
if(isset($_SESSION['sort_order'])) {
$order_str = $this->get_sort_order();
}
/* return a search result */
if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '') {
$query_str = "
SELECT DISTINCT photo_id
FROM photo_tags pt
INNER JOIN photos p
ON p.id=pt.photo_id
INNER JOIN tags t
ON pt.tag_id=t.id
WHERE t.name LIKE '%". $_SESSION['searchfor'] ."%'";
if(isset($additional_where_cond))
$query_str.= "AND ". $additional_where_cond ." ";
if(isset($order_str))
$query_str.= $order_str;
$result = $this->db->db_query($query_str);
while($row = $this->db->db_fetch_object($result)) {
array_push($matched_photos, $row['photo_id']);
}
return $matched_photos;
}
/* return according the selected tags */
if(isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) {
$selected = "";
foreach($_SESSION['selected_tags'] as $tag)
$selected.= $tag .",";
$selected = substr($selected, 0, strlen($selected)-1);
if($_SESSION['tag_condition'] == 'or') {
$query_str = "
SELECT DISTINCT photo_id
FROM photo_tags pt
INNER JOIN photos p
ON p.id=pt.photo_id
WHERE pt.tag_id IN (". $selected .")
";
if(isset($additional_where_cond))
$query_str.= "AND ". $additional_where_cond ." ";
if(isset($order_str))
$query_str.= $order_str;
}
elseif($_SESSION['tag_condition'] == 'and') {
if(count($_SESSION['selected_tags']) >= 32) {
print "A SQLite limit of 32 tables within a JOIN SELECT avoids to<br />\n";
print "evaluate your tag selection. Please remove some tags from your selection.\n";
return Array();
}
/* Join together a table looking like
pt1.photo_id pt1.tag_id pt2.photo_id pt2.tag_id ...
so the query can quickly return all images matching the
selected tags in an AND condition
*/
$query_str = "
SELECT DISTINCT pt1.photo_id
FROM photo_tags pt1
";
for($i = 0; $i < count($_SESSION['selected_tags']); $i++) {
$query_str.= "
INNER JOIN photo_tags pt". ($i+2) ."
ON pt1.photo_id=pt". ($i+2) .".photo_id
";
}
$query_str.= "
INNER JOIN photos p
ON pt1.photo_id=p.id
";
$query_str.= "WHERE pt1.tag_id=". $_SESSION['selected_tags'][0];
for($i = 1; $i < count($_SESSION['selected_tags']); $i++) {
$query_str.= "
AND pt". ($i+1) .".tag_id=". $_SESSION['selected_tags'][$i] ."
";
}
if(isset($additional_where_cond))
$query_str.= "AND ". $additional_where_cond;
if(isset($order_str))
$query_str.= $order_str;
}
$result = $this->db->db_query($query_str);
while($row = $this->db->db_fetch_object($result)) {
array_push($matched_photos, $row['photo_id']);
}
return $matched_photos;
}
/* return all available photos */
$query_str = "
SELECT DISTINCT photo_id
FROM photo_tags pt
INNER JOIN photos p
ON p.id=pt.photo_id
";
if(isset($additional_where_cond))
$query_str.= "WHERE ". $additional_where_cond ." ";
if(isset($order_str))
$query_str.= $order_str;
$result = $this->db->db_query($query_str);
while($row = $this->db->db_fetch_object($result)) {
array_push($matched_photos, $row['photo_id']);
}
return $matched_photos;
} // getPhotoSelection()
/**
* control HTML ouput for photo index
*
* this function provides all the necessary information
* for the photo index template.
*/
public function showPhotoIndex()
{
$photos = $this->getPhotoSelection();
$count = count($photos);
if(isset($_SESSION['begin_with']) && $_SESSION['begin_with'] != "")
$anchor = $_SESSION['begin_with'];
if(!isset($this->cfg->rows_per_page) || $this->cfg->rows_per_page == 0) {
$begin_with = 0;
$end_with = $count;
}
elseif($this->cfg->rows_per_page > 0) {
if(!$_SESSION['begin_with'] || $_SESSION['begin_with'] == 0)
$begin_with = 0;
else {
$begin_with = $_SESSION['begin_with'];
// verify $begin_with - perhaps the thumbs-per-rows or
// rows-per-page variables have changed or the jump back
// from a photo wasn't exact - so calculate the real new
// starting point
$multiplicator = $this->cfg->rows_per_page * $this->cfg->thumbs_per_row;
for($i = 0; $i <= $count; $i+=$multiplicator) {
if($begin_with >= $i && $begin_with < $i+$multiplicator) {
$begin_with = $i;
break;
}
}
}
$end_with = $begin_with + ($this->cfg->rows_per_page * $this->cfg->thumbs_per_row);
}
$rows = 0;
$cols = 0;
$images[$rows] = Array();
$img_height[$rows] = Array();
$img_width[$rows] = Array();
$img_id[$rows] = Array();
$img_name[$rows] = Array();
$img_title = Array();
for($i = $begin_with; $i < $end_with; $i++) {
$images[$rows][$cols] = $photos[$i];
$img_id[$rows][$cols] = $i;
$img_name[$rows][$cols] = htmlspecialchars($this->getPhotoName($photos[$i], 15));
$img_title[$rows][$cols] = "Click to view photo ". htmlspecialchars($this->getPhotoName($photos[$i], 0));
$thumb_path = $this->cfg->base_path ."/thumbs/". $this->cfg->thumb_width ."_". $this->getMD5($photos[$i]);
if(file_exists($thumb_path)) {
$info = getimagesize($thumb_path);
$img_width[$rows][$cols] = $info[0];
$img_height[$rows][$cols] = $info[1];
}
if($cols == $this->cfg->thumbs_per_row-1) {
$cols = 0;
$rows++;
$images[$rows] = Array();
$img_width[$rows] = Array();
$img_height[$rows] = Array();
}
else {
$cols++;
}
}
// +1 for for smarty's selection iteration
$rows++;
if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '')
$this->tmpl->assign('searchfor', $_SESSION['searchfor']);
if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
$this->tmpl->assign('from_date', $_SESSION['from_date']);
$this->tmpl->assign('to_date', $_SESSION['to_date']);
}
if(isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) {
$this->tmpl->assign('tag_result', 1);
}
/* do we have to display the page selector ? */
if($this->cfg->rows_per_page != 0) {
/* calculate the page switchers */
$previous_start = $begin_with - ($this->cfg->rows_per_page * $this->cfg->thumbs_per_row);
$next_start = $begin_with + ($this->cfg->rows_per_page * $this->cfg->thumbs_per_row);
if($begin_with != 0)
$this->tmpl->assign("previous_url", "javascript:showPhotoIndex(". $previous_start .");");
if($end_with < $count)
$this->tmpl->assign("next_url", "javascript:showPhotoIndex(". $next_start .");");
$photo_per_page = $this->cfg->rows_per_page * $this->cfg->thumbs_per_row;
$last_page = ceil($count / $photo_per_page);
/* get the current selected page */
if($begin_with == 0) {
$current_page = 1;
} else {
$current_page = 0;
for($i = $begin_with; $i >= 0; $i-=$photo_per_page) {
$current_page++;
}
}
$dotdot_made = 0;
for($i = 1; $i <= $last_page; $i++) {
if($current_page == $i)
$style = "style=\"font-size: 125%;\"";
elseif($current_page-1 == $i || $current_page+1 == $i)
$style = "style=\"font-size: 105%;\"";
elseif(($current_page-5 >= $i) && ($i != 1) ||
($current_page+5 <= $i) && ($i != $last_page))
$style = "style=\"font-size: 75%;\"";
else
$style = "";
$select = "<a href=\"javascript:showPhotoIndex(". (($i*$photo_per_page)-$photo_per_page) .");\"";
if($style != "")
$select.= $style;
$select.= ">". $i ."</a> ";
// until 9 pages we show the selector from 1-9
if($last_page <= 9) {
$page_select.= $select;
continue;
} else {
if($i == 1 /* first page */ ||
$i == $last_page /* last page */ ||
$i == $current_page /* current page */ ||
$i == ceil($last_page * 0.25) /* first quater */ ||
$i == ceil($last_page * 0.5) /* half */ ||
$i == ceil($last_page * 0.75) /* third quater */ ||
(in_array($i, array(1,2,3,4,5,6)) && $current_page <= 4) /* the first 6 */ ||
(in_array($i, array($last_page, $last_page-1, $last_page-2, $last_page-3, $last_page-4, $last_page-5)) && $current_page >= $last_page-4) /* the last 6 */ ||
$i == $current_page-3 || $i == $current_page-2 || $i == $current_page-1 /* three before */ ||
$i == $current_page+3 || $i == $current_page+2 || $i == $current_page+1 /* three after */) {
$page_select.= $select;
$dotdot_made = 0;
continue;
}
}
if(!$dotdot_made) {
$page_select.= "......... ";
$dotdot_made = 1;
}
}
/* only show the page selector if we have more then one page */
if($last_page > 1)
$this->tmpl->assign('page_selector', $page_select);
}
$current_tags = $this->getCurrentTags();
$extern_link = "index.php?mode=showpi";
if($current_tags != "") {
$extern_link.= "&tags=". $current_tags;
}
if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
$extern_link.= "&from_date=". $_SESSION['from_date'] ."&to_date=". $_SESSION['to_date'];
}
$export_link = "index.php?mode=export";
$slideshow_link = "index.php?mode=slideshow";
$this->tmpl->assign('extern_link', $extern_link);
$this->tmpl->assign('slideshow_link', $slideshow_link);
$this->tmpl->assign('export_link', $export_link);
$this->tmpl->assign('count', $count);
$this->tmpl->assign('width', $this->cfg->thumb_width);
$this->tmpl->assign('images', $images);
$this->tmpl->assign('img_width', $img_width);
$this->tmpl->assign('img_height', $img_height);
$this->tmpl->assign('img_id', $img_id);
$this->tmpl->assign('img_name', $img_name);
$this->tmpl->assign('img_title', $img_title);
$this->tmpl->assign('rows', $rows);
$this->tmpl->assign('columns', $this->cfg->thumbs_per_row);
$this->tmpl->show("photo_index.tpl");
if(isset($anchor))
print "<script language=\"JavaScript\">self.location.hash = '#image". $anchor ."';</script>\n";
} // showPhotoIndex()
/**
* show credit template
*/
public function showCredits()
{
$this->tmpl->assign('version', $this->cfg->version);
$this->tmpl->assign('product', $this->cfg->product);
$this->tmpl->show("credits.tpl");
} // showCredits()
/**
* create_thumbnails for the requested width
*
* this function creates image thumbnails of $orig_image
* stored as $thumb_image. It will check if the image is
* in a supported format, if necessary rotate the image
* (based on EXIF orientation meta headers) and re-sizing.
*/
public function create_thumbnail($orig_image, $thumb_image, $width)
{
if(!file_exists($orig_image)) {
return false;
}
$details = getimagesize($orig_image);
/* check if original photo is a support image type */
if(!$this->checkifImageSupported($details['mime']))
return false;
$meta = $this->get_meta_informations($orig_image);
$rotate = 0;
$flip = false;
switch($meta['Orientation']) {
case 1: /* top, left */
$rotate = 0; $flip = false; break;
case 2: /* top, right */
$rotate = 0; $flip = true; break;
case 3: /* bottom, left */
$rotate = 180; $flip = false; break;
case 4: /* bottom, right */
$rotate = 180; $flip = true; break;
case 5: /* left side, top */
$rotate = 90; $flip = true; break;
case 6: /* right side, top */
$rotate = 90; $flip = false; break;
case 7: /* left side, bottom */
$rotate = 270; $flip = true; break;
case 8: /* right side, bottom */
$rotate = 270; $flip = false; break;
}
$src_img = @imagecreatefromjpeg($orig_image);
if(!$src_img) {
print "Can't load image from ". $orig_image ."\n";
return false;
}
/* grabs the height and width */
$cur_width = imagesx($src_img);
$cur_height = imagesy($src_img);
// If requested width is more then the actual image width,
// do not generate a thumbnail, instead safe the original
// as thumbnail but with lower quality
if($width >= $cur_width) {
$result = imagejpeg($src_img, $thumb_image, 75);
imagedestroy($src_img);
return true;
}
// If the image will be rotate because EXIF orientation said so
// 'virtually rotate' the image for further calculations
if($rotate == 90 || $rotate == 270) {
$tmp = $cur_width;
$cur_width = $cur_height;
$cur_height = $tmp;
}
/* calculates aspect ratio */
$aspect_ratio = $cur_height / $cur_width;
/* sets new size */
if($aspect_ratio < 1) {
$new_w = $width;
$new_h = abs($new_w * $aspect_ratio);
} else {
/* 'virtually' rotate the image and calculate it's ratio */
$tmp_w = $cur_height;
$tmp_h = $cur_width;
/* now get the ratio from the 'rotated' image */
$tmp_ratio = $tmp_h/$tmp_w;
/* now calculate the new dimensions */
$tmp_w = $width;
$tmp_h = abs($tmp_w * $tmp_ratio);
// now that we know, how high they photo should be, if it
// gets rotated, use this high to scale the image
$new_h = $tmp_h;
$new_w = abs($new_h / $aspect_ratio);
// If the image will be rotate because EXIF orientation said so
// now 'virtually rotate' back the image for the image manipulation
if($rotate == 90 || $rotate == 270) {
$tmp = $new_w;
$new_w = $new_h;
$new_h = $tmp;
}
}
/* creates new image of that size */
$dst_img = imagecreatetruecolor($new_w, $new_h);
imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
/* copies resized portion of original image into new image */
imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $new_w, $new_h, imagesx($src_img), imagesy($src_img));
/* needs the image to be flipped horizontal? */
if($flip) {
print "(FLIP)";
$image = $dst_img;
for($x = 0; $x < $new_w; $x++) {
imagecopy($dst_img, $image, $x, 0, $w - $x - 1, 0, 1, $h);
}
}
if($rotate) {
$this->_debug("(ROTATE)");
$dst_img = $this->rotateImage($dst_img, $rotate);
}
/* write down new generated file */
$result = imagejpeg($dst_img, $thumb_image, 75);
/* free your mind */
imagedestroy($dst_img);
imagedestroy($src_img);
if($result === false) {
print "Can't write thumbnail ". $thumb_image ."\n";
return false;
}
return true;
} // create_thumbnail()
/**
* return all exif meta data from the file
*/
public function get_meta_informations($file)
{
return exif_read_data($file);
} // get_meta_informations()
/**
* create phpfspot own sqlite database
*
* this function creates phpfspots own sqlite database
* if it does not exist yet. this own is used to store
* some necessary informations (md5 sum's, ...).
*/
public function check_config_table()
{
// if the config table doesn't exist yet, create it
if(!$this->cfg_db->db_check_table_exists("images")) {
$this->cfg_db->db_exec("
CREATE TABLE images (
img_idx int primary key,
img_md5 varchar(32)
)
");
}
} // check_config_table
/**
* Generates a thumbnail from photo idx
*
* This function will generate JPEG thumbnails from provided F-Spot photo
* indizes.
*
* 1. Check if all thumbnail generations (width) are already in place and
* readable
* 2. Check if the md5sum of the original file has changed
* 3. Generate the thumbnails if needed
*/
public function gen_thumb($idx = 0, $force = 0)
{
$error = 0;
$resolutions = Array(
$this->cfg->thumb_width,
$this->cfg->photo_width,
$this->cfg->mini_width,
);
/* get details from F-Spot's database */
$details = $this->get_photo_details($idx);
/* calculate file MD5 sum */
$full_path = $this->translate_path($details['directory_path']) ."/". $details['name'];
if(!file_exists($full_path)) {
$this->_error("File ". $full_path ." does not exist\n");
return;
}
if(!is_readable($full_path)) {
$this->_error("File ". $full_path ." is not readable for ". $this->getuid() ."\n");
return;
}
$file_md5 = md5_file($full_path);
$this->_debug("Image [". $idx ."] ". $details['name'] ." Thumbnails:");
foreach($resolutions as $resolution) {
$thumb_path = $this->cfg->base_path ."/thumbs/". $resolution ."_". $file_md5;
/* if the thumbnail file doesn't exist, create it */
if(!file_exists($thumb_path)) {
$this->_debug(" ". $resolution ."px");
if(!$this->create_thumbnail($full_path, $thumb_path, $resolution))
$error = 1;
}
/* if the file hasn't changed there is no need to regen the thumb */
elseif($file_md5 != $this->getMD5($idx) || $force) {
$this->_debug(" ". $resolution ."px");
if(!$this->create_thumbnail($full_path, $thumb_path, $resolution))
$error = 1;
}
}
/* set the new/changed MD5 sum for the current photo */
if(!$error) {
$this->setMD5($idx, $file_md5);
}
$this->_debug("\n");
} // gen_thumb()
/**
* returns stored md5 sum for a specific photo
*
* this function queries the phpfspot database for a
* stored MD5 checksum of the specified photo
*/
public function getMD5($idx)
{
$result = $this->cfg_db->db_query("
SELECT img_md5
FROM images
WHERE img_idx='". $idx ."'
");
if(!$result)
return 0;
$img = $this->cfg_db->db_fetch_object($result);
return $img['img_md5'];
} // getMD5()
/**
* set MD5 sum for the specific photo
*/
private function setMD5($idx, $md5)
{
$result = $this->cfg_db->db_exec("
REPLACE INTO images (img_idx, img_md5)
VALUES ('". $idx ."', '". $md5 ."')
");
} // setMD5()
/**
* store current tag condition
*
* this function stores the current tag condition
* (AND or OR) in the users session variables
*/
public function setTagCondition($mode)
{
$_SESSION['tag_condition'] = $mode;
} // setTagCondition()
/**
* invoke tag & date search
*
* this function will return all matching tags and store
* them in the session variable selected_tags. furthermore
* it also handles the date search.
* getPhotoSelection() will then only return the matching
* photos.
*/
public function startSearch($searchfor, $from, $to, $sort_order)
{
$_SESSION['searchfor'] = $searchfor;
$_SESSION['from_date'] = $from;
$_SESSION['to_date'] = $to;
$_SESSION['sort_order'] = $sort_order;
if($searchfor != "") {
/* new search, reset the current selected tags */
$_SESSION['selected_tags'] = Array();
foreach($this->avail_tags as $tag) {
if(preg_match('/'. $searchfor .'/i', $this->tags[$tag]))
array_push($_SESSION['selected_tags'], $tag);
}
}
} // startSearch()
/**
* rotate image
*
* this function rotates the image according the
* specified angel.
*/
private function rotateImage($img, $degrees)
{
if(function_exists("imagerotate")) {
$img = imagerotate($img, $degrees, 0);
} else {
function imagerotate($src_img, $angle)
{
$src_x = imagesx($src_img);
$src_y = imagesy($src_img);
if ($angle == 180) {
$dest_x = $src_x;
$dest_y = $src_y;
}
elseif ($src_x <= $src_y) {
$dest_x = $src_y;
$dest_y = $src_x;
}
elseif ($src_x >= $src_y) {
$dest_x = $src_y;
$dest_y = $src_x;
}
$rotate=imagecreatetruecolor($dest_x,$dest_y);
imagealphablending($rotate, false);
switch ($angle) {
case 90:
for ($y = 0; $y < ($src_y); $y++) {
for ($x = 0; $x < ($src_x); $x++) {
$color = imagecolorat($src_img, $x, $y);
imagesetpixel($rotate, $dest_x - $y - 1, $x, $color);
}
}
break;
case 270:
for ($y = 0; $y < ($src_y); $y++) {
for ($x = 0; $x < ($src_x); $x++) {
$color = imagecolorat($src_img, $x, $y);
imagesetpixel($rotate, $y, $dest_y - $x - 1, $color);
}
}
break;
case 180:
for ($y = 0; $y < ($src_y); $y++) {
for ($x = 0; $x < ($src_x); $x++) {
$color = imagecolorat($src_img, $x, $y);
imagesetpixel($rotate, $dest_x - $x - 1, $dest_y - $y - 1, $color);
}
}
break;
default:
$rotate = $src_img;
break;
};
return $rotate;
}
$img = imagerotate($img, $degrees);
}
return $img;
} // rotateImage()
/**
* return all assigned tags for the specified photo
*/
private function get_photo_tags($idx)
{
$result = $this->db->db_query("
SELECT t.id, t.name
FROM tags t
INNER JOIN photo_tags pt
ON t.id=pt.tag_id
WHERE pt.photo_id='". $idx ."'
");
$tags = Array();
while($row = $this->db->db_fetch_object($result))
$tags[$row['id']] = $row['name'];
return $tags;
} // get_photo_tags()
/**
* create on-the-fly images with text within
*/
public function showTextImage($txt, $color=000000, $space=4, $font=4, $w=300)
{
if (strlen($color) != 6)
$color = 000000;
$int = hexdec($color);
$h = imagefontheight($font);
$fw = imagefontwidth($font);
$txt = explode("\n", wordwrap($txt, ($w / $fw), "\n"));
$lines = count($txt);
$im = imagecreate($w, (($h * $lines) + ($lines * $space)));
$bg = imagecolorallocate($im, 255, 255, 255);
$color = imagecolorallocate($im, 0xFF & ($int >> 0x10), 0xFF & ($int >> 0x8), 0xFF & $int);
$y = 0;
foreach ($txt as $text) {
$x = (($w - ($fw * strlen($text))) / 2);
imagestring($im, $font, $x, $y, $text, $color);
$y += ($h + $space);
}
Header("Content-type: image/png");
ImagePng($im);
} // showTextImage()
/**
* check if all requirements are met
*/
private function checkRequirements()
{
if(!function_exists("imagecreatefromjpeg")) {
print "PHP GD library extension is missing<br />\n";
$missing = true;
}
if(!function_exists("sqlite3_open")) {
print "PHP SQLite3 library extension is missing<br />\n";
$missing = true;
}
/* Check for HTML_AJAX PEAR package, lent from Horde project */
ini_set('track_errors', 1);
@include_once 'HTML/AJAX/Server.php';
if(isset($php_errormsg) && preg_match('/Failed opening.*for inclusion/i', $php_errormsg)) {
print "PEAR HTML_AJAX package is missing<br />\n";
$missing = true;
}
@include_once 'Calendar/Calendar.php';
if(isset($php_errormsg) && preg_match('/Failed opening.*for inclusion/i', $php_errormsg)) {
print "PEAR Calendar package is missing<br />\n";
$missing = true;
}
ini_restore('track_errors');
if(isset($missing))
return false;
return true;
} // checkRequirements()
private function _debug($text)
{
if($this->fromcmd) {
print $text;
}
} // _debug()
/**
* check if specified MIME type is supported
*/
public function checkifImageSupported($mime)
{
if(in_array($mime, Array("image/jpeg")))
return true;
return false;
} // checkifImageSupported()
public function _error($text)
{
switch($this->cfg->logging) {
case 'display':
print "<img src=\"resources/green_info.png\" alt=\"warning\" />\n";
print $text;
break;
case 'errorlog':
error_log($text);
break;
case 'logfile':
error_log($text, 3, $his->cfg->log_file);
break;
}
} // _error()
/**
* output calendard input fields
*/
private function get_calendar($mode)
{
$year = $_SESSION[$mode .'_date'] ? date("Y", strtotime($_SESSION[$mode .'_date'])) : date("Y");
$month = $_SESSION[$mode .'_date'] ? date("m", strtotime($_SESSION[$mode .'_date'])) : date("m");
$day = $_SESSION[$mode .'_date'] ? date("d", strtotime($_SESSION[$mode .'_date'])) : date("d");
$output = "<input type=\"text\" size=\"3\" id=\"". $mode ."year\" value=\"". $year ."\"";
if(!isset($_SESSION[$mode .'_date'])) $output.= " disabled=\"disabled\"";
$output.= " />\n";
$output.= "<input type=\"text\" size=\"1\" id=\"". $mode ."month\" value=\"". $month ."\"";
if(!isset($_SESSION[$mode .'_date'])) $output.= " disabled=\"disabled\"";
$output.= " />\n";
$output.= "<input type=\"text\" size=\"1\" id=\"". $mode ."day\" value=\"". $day ."\"";
if(!isset($_SESSION[$mode .'_date'])) $output.= " disabled=\"disabled\"";
$output.= " />\n";
return $output;
} // get_calendar()
/**
* output calendar matrix
*/
public function get_calendar_matrix($year = 0, $month = 0, $day = 0)
{
if (!isset($year)) $year = date('Y');
if (!isset($month)) $month = date('m');
if (!isset($day)) $day = date('d');
$rows = 1;
$cols = 1;
$matrix = Array();
require_once CALENDAR_ROOT.'Month/Weekdays.php';
require_once CALENDAR_ROOT.'Day.php';
// Build the month
$month = new Calendar_Month_Weekdays($year,$month);
// Create links
$prevStamp = $month->prevMonth(true);
$prev = "javascript:setMonth(". date('Y',$prevStamp) .", ". date('n',$prevStamp) .", ". date('j',$prevStamp) .");";
$nextStamp = $month->nextMonth(true);
$next = "javascript:setMonth(". date('Y',$nextStamp) .", ". date('n',$nextStamp) .", ". date('j',$nextStamp) .");";
$selectedDays = array (
new Calendar_Day($year,$month,$day),
new Calendar_Day($year,12,25),
);
// Build the days in the month
$month->build($selectedDays);
$this->tmpl->assign('current_month', date('F Y',$month->getTimeStamp()));
$this->tmpl->assign('prev_month', $prev);
$this->tmpl->assign('next_month', $next);
while ( $day = $month->fetch() ) {
if(!isset($matrix[$rows]))
$matrix[$rows] = Array();
$string = "";
$dayStamp = $day->thisDay(true);
$link = "javascript:setCalendarDate(". date('Y',$dayStamp) .", ". date('n',$dayStamp).", ". date('j',$dayStamp) .");";
// isFirst() to find start of week
if ( $day->isFirst() )
$string.= "<tr>\n";
if ( $day->isSelected() ) {
$string.= "<td class=\"selected\">".$day->thisDay()."</td>\n";
} else if ( $day->isEmpty() ) {
$string.= "<td> </td>\n";
} else {
$string.= "<td><a class=\"calendar\" href=\"".$link."\">".$day->thisDay()."</a></td>\n";
}
// isLast() to find end of week
if ( $day->isLast() )
$string.= "</tr>\n";
$matrix[$rows][$cols] = $string;
$cols++;
if($cols > 7) {
$cols = 1;
$rows++;
}
}
$this->tmpl->assign('matrix', $matrix);
$this->tmpl->assign('rows', $rows);
$this->tmpl->show("calendar.tpl");
} // get_calendar_matrix()
/**
* output export page
*/
public function getExport($mode)
{
$pictures = $this->getPhotoSelection();
$current_tags = $this->getCurrentTags();
if(!isset($_SERVER['HTTPS'])) $protocol = "http";
else $protocol = "https";
$server_name = $_SERVER['SERVER_NAME'];
foreach($pictures as $picture) {
$orig_url = $protocol ."://". $server_name . $this->cfg->web_path ."index.php?mode=showp&id=". $picture;
if($current_tags != "") {
$orig_url.= "&tags=". $current_tags;
}
if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
$orig_url.= "&from_date=". $_SESSION['from_date'] ."&to_date=". $_SESSION['to_date'];
}
$thumb_url = $protocol ."://". $server_name . $this->cfg->web_path ."phpfspot_img.php?idx=". $picture ."&width=". $this->cfg->thumb_width;
switch($mode) {
case 'HTML':
// <a href="%pictureurl%"><img src="%thumbnailurl%" ></a>
print htmlspecialchars("<a href=\"". $orig_url ."\"><img src=\"". $thumb_url ."\" /></a>") ."<br />\n";
break;
case 'MoinMoin':
// "[%pictureurl% %thumbnailurl%]"
print htmlspecialchars("[".$orig_url." ".$thumb_url."&fake=1.jpg]") ."<br />\n";
break;
case 'MoinMoinList':
// " * [%pictureurl% %thumbnailurl%]"
print " " . htmlspecialchars("* [".$orig_url." ".$thumb_url."&fake=1.jpg]") ."<br />\n";
break;
}
}
} // getExport()
/**
* return all selected tags as one string
*/
private function getCurrentTags()
{
$current_tags = "";
if($_SESSION['selected_tags'] != "") {
foreach($_SESSION['selected_tags'] as $tag)
$current_tags.= $tag .",";
$current_tags = substr($current_tags, 0, strlen($current_tags)-1);
}
return $current_tags;
} // getCurrentTags()
/**
* return the current photo
*/
public function getCurrentPhoto()
{
if(isset($_SESSION['current_photo'])) {
print $_SESSION['current_photo'];
}
} // getCurrentPhoto()
/**
* tells the client browser what to do
*
* this function is getting called via AJAX by the
* client browsers. it will tell them what they have
* to do next. This is necessary for directly jumping
* into photo index or single photo view when the are
* requested with specific URLs
*/
public function whatToDo()
{
if(isset($_SESSION['current_photo']) && $_SESSION['start_action'] == 'showp') {
return "show_photo";
}
elseif((isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) ||
(isset($_SESSION['from_date']) && isset($_SESSION['to_date']))) {
return "showpi";
}
elseif(isset($_SESSION['start_action']) && $_SESSION['start_action'] == 'showpi') {
return "showpi";
}
return "nothing special";
} // whatToDo()
/**
* return the current process-user
*/
private function getuid()
{
if($uid = posix_getuid()) {
if($user = posix_getpwuid($uid)) {
return $user['name'];
}
}
return 'n/a';
} // getuid()
/**
* returns a select-dropdown box to select photo index sort parameters
*/
private function get_sort_field()
{
$output = "<select name=\"sort_order\">";
foreach(array('date_asc', 'date_desc', 'name_asc', 'name_desc') as $sort_order) {
$output.= "<option value=\"". $sort_order ."\"";
if($sort_order == $_SESSION['sort_order']) {
$output.= " selected=\"selected\"";
}
$output.= ">". $sort_order ."</option>";
}
$output.= "</select>";
return $output;
} // get_sort_field()
/**
* returns the currently selected sort order
*/
private function get_sort_order()
{
switch($_SESSION['sort_order']) {
case 'date_asc':
return " ORDER BY p.time ASC";
break;
case 'date_desc':
return " ORDER BY p.time DESC";
break;
case 'name_asc':
return " ORDER BY p.name ASC";
break;
case 'name_desc':
return " ORDER BY p.name DESC";
break;
}
} // get_sort_order()
/***
* return the next to be shown slide show image
*
* this function returns the URL of the next image
* in the slideshow sequence.
*/
public function getNextSlideShowImage()
{
$all_photos = $this->getPhotoSelection();
if(!isset($_SESSION['slideshow_img']) || $_SESSION['slideshow_img'] == count($all_photos)-1)
$_SESSION['slideshow_img'] = 0;
else
$_SESSION['slideshow_img']++;
$server_name = $_SERVER['SERVER_NAME'];
if(!isset($_SERVER['HTTPS'])) $protocol = "http";
else $protocol = "https";
return $protocol ."://". $server_name . $this->cfg->web_path ."phpfspot_img.php?idx=". $all_photos[$_SESSION['slideshow_img']] ."&width=". $this->cfg->photo_width;
} // getNextSlideShowImage()
/***
* return the previous to be shown slide show image
*
* this function returns the URL of the previous image
* in the slideshow sequence.
*/
public function getPrevSlideShowImage()
{
$all_photos = $this->getPhotoSelection();
if(!isset($_SESSION['slideshow_img']) || $_SESSION['slideshow_img'] == 0)
$_SESSION['slideshow_img'] = 0;
else
$_SESSION['slideshow_img']--;
$server_name = $_SERVER['SERVER_NAME'];
if(!isset($_SERVER['HTTPS'])) $protocol = "http";
else $protocol = "https";
return $protocol ."://". $server_name . $this->cfg->web_path ."phpfspot_img.php?idx=". $all_photos[$_SESSION['slideshow_img']] ."&width=". $this->cfg->photo_width;
} // getPrevSlideShowImage()
public function resetSlideShow()
{
if(isset($_SESSION['slideshow_img']))
unset($_SESSION['slideshow_img']);
} // resetSlideShow()
/***
* get random photo
*
* this function will get all photos from the fspot
* database and randomly return ONE entry
*
* saddly there is yet no sqlite3 function which returns
* the bulk result in array, so we have to fill up our
* own here.
*/
public function get_random_photo()
{
$all = Array();
$result = $this->db->db_query("
SELECT id
FROM photos
");
while($row = $this->db->db_fetch_object($result)) {
array_push($all, $row['id']);
}
return $all[array_rand($all)];
} // get_random_photo()
}
?>