/**
* Given index of a mosaic image, and a pixel position on that image handle a zoom
* If the zoom level is 2, this needs to perform a redirect to the gridsquare page
* otherwise, it reconfigures the instance for the zoomed in map
* @access public
*/
function zoomIn($i, $j, $x, $y)
{
//so where did we click?
list($clickx, $clicky) = $this->getClickCoordinates($i, $j, $x, $y);
$zoomindex = array_search($this->pixels_per_km, $this->scales);
if ($zoomindex === FALSE) {
$zoomindex = 0;
}
$zoomindex++;
if ($zoomindex > count($this->scales) || $this->pixels_per_km > 40) {
//we're going to zoom into a grid square
$square = new GridSquare();
if ($square->loadFromPosition($clickx, $clicky)) {
$images = $square->getImages(false, '', 'order by moderation_status+0 desc,seq_no limit 2');
//if the image count is 1, we'll go straight to the image
if (count($images) == 1) {
$url = "http://" . $_SERVER['HTTP_HOST'] . '/photo/' . $images[0]->gridimage_id;
} else {
//lets go to the grid reference
$url = "http://" . $_SERVER['HTTP_HOST'] . '/gridref/' . $square->grid_reference;
}
} else {
require_once 'geograph/conversions.class.php';
$conv = new Conversions();
list($gr, $len) = $conv->internal_to_gridref($clickx, $clicky, 0);
$url = "http://" . $_SERVER['HTTP_HOST'] . '/gridref/' . $gr;
}
header("Location:{$url}");
exit;
} else {
$scale = $this->scales[$zoomindex];
}
//store the clicked position to make a better estimate at the required grid
$this->old_centrex = $clickx;
$this->old_centrey = $clicky;
//size of new map in km
$mapw = $this->image_w / $scale;
$maph = $this->image_h / $scale;
//here's the perfect origin
$bestoriginx = $clickx - $mapw / 2;
$bestoriginy = $clicky - $maph / 2;
$this->setScale($scale);
$this->setMosaicFactor(2);
$this->setAlignedOrigin($bestoriginx, $bestoriginy);
}
if ($gridref || $forum == $CONF['forum_gridsquare'] && ($gridref = $topicName)) {
require_once 'geograph/gridimage.class.php';
require_once 'geograph/gridsquare.class.php';
$smarty = new GeographPage();
$square = new GridSquare();
$grid_ok = $square->setGridRef($gridref);
if ($grid_ok) {
//find a possible place within 25km
$smarty->assign('place', $square->findNearestPlace(75000));
if ($square->imagecount) {
//todo use smarty caching
//what style should we use?
$style = $USER->getStyle();
$smarty->assign('maincontentclass', 'content_photo' . $style);
$smarty->assign('backgroundcolor', $style);
$images = $square->getImages();
$smarty->assign_by_ref('images', $images);
}
$smarty->assign('gridref', $gridref);
$gridThumbs = $smarty->fetch("_discuss_gridref_cell.tpl");
}
}
}
$numRows = $topicData[5];
$topicDesc = 0;
$topic_reverse = '';
$srt = 'ASC';
if (isset($themeDesc) and in_array($topic, $themeDesc)) {
$topicDesc = 1;
$topic_reverse = "<img src=\"{$static_url}/img/topic_reverse.gif\" align=middle border=0 alt=\"\"> ";
$srt = 'DESC';
$breakdown[$i]['link'] = "/gridref/{$square->grid_reference}?{$_GET['by']}={$row[0]}" . $extra;
}
$i++;
}
}
$smarty->assign('by', $_GET['by']);
if (!empty($breakdown_title)) {
$smarty->assign_by_ref('breakdown_title', $breakdown_title);
}
if (count($breakdown)) {
$smarty->assign_by_ref('breakdown', $breakdown);
$smarty->assign('breakdown_count', count($breakdown));
}
} else {
//todo ideally here we only want to forward teh user_id IF they have images in the square, or a mod, for greater cachablity, but the chicken and the egg thingy....
$images = $square->getImages($inc_all_user, $custom_where, 'order by ftf desc,gridimage_id');
$square->totalimagecount = count($images);
foreach ($images as $img) {
$img->grid_reference = $square->grid_reference;
}
//otherwise, lets gether the info we need to display some thumbs
if ($square->totalimagecount) {
$smarty->assign_by_ref('images', $images);
}
}
$smarty->assign('totalimagecount', $square->totalimagecount);
if ($square->totalimagecount < 10 || $USER->registered && !empty($_GET['big'])) {
$smarty->assign('thumbw', 213);
$smarty->assign('thumbh', 160);
} else {
$smarty->assign('thumbw', 120);
function handleGridref($more = false)
{
$square = new GridSquare();
$grid_given = true;
$grid_ok = $square->setByFullGridRef($this->params[0]);
$_GET['key'] = $this->params[1];
ini_set('memory_limit', '64M');
$image = new GridImage();
if ($grid_ok) {
$this->beginResponse();
if ($square->imagecount) {
if (!empty($_GET['limit']) || !empty($_GET['offset'])) {
$offset = @intval($_GET['offset']);
$limit = empty($_GET['limit']) ? 20 : intval($_GET['limit']);
$order = "order by null limit {$offset},{$limit}";
} else {
$order = "order by null";
}
$images = $square->getImages(false, '', $order);
$count = count($images);
if ($this->output == 'json') {
require_once '3rdparty/JSON.php';
$json = new Services_JSON();
$whitelist = array('gridimage_id' => 1, 'seq_no' => 1, 'user_id' => 1, 'ftf' => 1, 'moderation_status' => 1, 'title' => 1, 'comment' => 1, 'submitted' => 1, 'realname' => 1, 'nateastings' => 1, 'natnorthings' => 1, 'natgrlen' => 1, 'imageclass' => 1, 'imagetaken' => 1, 'upd_timestamp' => 1, 'viewpoint_eastings' => 1, 'viewpoint_northings' => 1, 'viewpoint_grlen' => 1, 'view_direction' => 1, 'use6fig' => 1, 'credit_realname' => 1, 'profile_link' => 1);
#$whitelist = array('gridimage_id'=>1, 'seq_no'=>1, 'user_id'=>1, 'ftf'=>1, 'moderation_status'=>1, 'title'=>1, 'comment'=>1, 'submitted'=>1, 'realname'=>1, 'tags'=>1, 'nateastings'=>1, 'natnorthings'=>1, 'natgrlen'=>1, 'imageclass'=>1, 'imagetaken'=>1, 'upd_timestamp'=>1, 'viewpoint_eastings'=>1, 'viewpoint_northings'=>1, 'viewpoint_grlen'=>1, 'view_direction'=>1, 'use6fig'=>1, 'credit_realname'=>1, 'profile_link'=>1);
#FIXME title1,title2,comment1,comment2
foreach ($images as $i => $image) {
foreach ($image as $k => $v) {
if (empty($v) || empty($whitelist[$k])) {
unset($images[$i]->{$k});
}
}
$images[$i]->thumbnail = $image->getThumbnail(120, 120, true);
}
print $json->encode($images);
} else {
echo '<status state="ok" count="' . $count . '"/>';
#FIXME title1,title2,comment1,comment2
foreach ($images as $i => $image) {
if ($image->moderation_status == 'geograph' || $image->moderation_status == 'accepted') {
echo " <image url=\"http://{$_SERVER['HTTP_HOST']}/photo/{$image->gridimage_id}\">";
echo ' <title>' . utf8_encode(htmlentities($image->title)) . '</title>';
echo " <user profile=\"http://{$_SERVER['HTTP_HOST']}{$image->profile_link}\">" . utf8_encode(htmlentities($image->realname)) . '</user>';
echo ' ' . preg_replace('/alt=".*?" /', '', $image->getThumbnail(120, 120));
if ($more) {
echo '<taken>' . htmlentities($image->imagetaken) . '</taken>';
echo '<submitted>' . htmlentities($image->submitted) . '</submitted>';
echo '<category>' . utf8_encode(htmlentities2($image->imageclass)) . '</category>';
echo '<comment><![CDATA[' . utf8_encode(htmlentities2($image->comment)) . ']]></comment>';
echo '<view_direction>' . htmlentities($image->view_direction) . '</view_direction>';
}
echo ' <location grid="' . $square->reference_index . '" eastings="' . $image->nateastings . '" northings="' . $image->natnorthings . '" figures="' . $image->natgrlen . '"/>';
echo '</image>';
}
}
}
} else {
if ($this->output == 'json') {
print "{error: '0 results'}";
} else {
echo '<status state="ok" count="0"/>';
}
}
$this->endResponse();
} else {
$this->error("Invalid grid reference " . $this->params[0]);
}
}
