Implement navigation for photo pages.

This commit is contained in:
Aaron van Geffen 2016-09-04 16:00:39 +02:00
parent 67a182671f
commit c11c5c2677
5 changed files with 109 additions and 6 deletions

View File

@ -22,6 +22,20 @@ class ViewPhoto extends HTMLController
if ($exif)
$page->setExif($exif);
// What tag are we browsing?
$tag = isset($_GET['in']) ? Tag::fromId($_GET['in']) : null;
$id_tag = isset($tag) ? $tag->id_tag : null;
// Find previous photo in set.
$previous_url = $photo->getUrlForPreviousInSet($id_tag);
if ($previous_url)
$page->setPreviousPhotoUrl($previous_url);
// ... and the next photo, too.
$next_url = $photo->getUrlForNextInSet($id_tag);
if ($next_url)
$page->setNextPhotoUrl($next_url);
$this->page->adopt($page);
$this->page->setCanonicalUrl($photo->getPageUrl());

View File

@ -79,7 +79,12 @@ class ViewPhotoAlbum extends HTMLController
// Load a photo mosaic for the current tag.
list($mosaic, $total_count) = $this->getPhotoMosaic($id_tag, $page);
if (isset($mosaic))
$this->page->adopt(new PhotosIndex($mosaic, Registry::get('user')->isAdmin()));
{
$index = new PhotosIndex($mosaic, Registry::get('user')->isAdmin());
$this->page->adopt($index);
if ($id_tag > 1)
$index->setUrlSuffix('?in=' . $id_tag);
}
// Make a page index as needed, while we're at it.
if ($total_count > self::PER_PAGE)

View File

@ -500,4 +500,70 @@ class Asset
WHERE id_asset = {int:id_asset}',
$params);
}
public function getUrlForPreviousInSet($id_tag = null)
{
$row = Registry::get('db')->queryAssoc('
SELECT a.*
' . (isset($id_tag) ? '
FROM assets_tags AS t
INNER JOIN assets AS a ON a.id_asset = t.id_asset
WHERE t.id_tag = {int:id_tag} AND
a.date_captured <= {datetime:date_captured} AND
a.id_asset != {int:id_asset}
ORDER BY a.date_captured DESC'
: '
FROM assets AS a
WHERE date_captured >= {datetime:date_captured} AND
a.id_asset != {int:id_asset}
ORDER BY date_captured ASC')
. '
LIMIT 1',
[
'id_asset' => $this->id_asset,
'id_tag' => $id_tag,
'date_captured' => $this->date_captured,
]);
if ($row)
{
$obj = self::byRow($row, 'object');
return $obj->getPageUrl() . ($id_tag ? '?in=' . $id_tag : '');
}
else
return false;
}
public function getUrlForNextInSet($id_tag = null)
{
$row = Registry::get('db')->queryAssoc('
SELECT a.*
' . (isset($id_tag) ? '
FROM assets_tags AS t
INNER JOIN assets AS a ON a.id_asset = t.id_asset
WHERE t.id_tag = {int:id_tag} AND
a.date_captured >= {datetime:date_captured} AND
a.id_asset != {int:id_asset}
ORDER BY a.date_captured ASC'
: '
FROM assets AS a
WHERE date_captured <= {datetime:date_captured} AND
a.id_asset != {int:id_asset}
ORDER BY date_captured DESC')
. '
LIMIT 1',
[
'id_asset' => $this->id_asset,
'id_tag' => $id_tag,
'date_captured' => $this->date_captured,
]);
if ($row)
{
$obj = self::byRow($row, 'object');
return $obj->getPageUrl() . ($id_tag ? '?in=' . $id_tag : '');
}
else
return false;
}
}

View File

@ -10,12 +10,24 @@ class PhotoPage extends SubTemplate
{
private $photo;
private $exif;
private $previous_photo_url = '';
private $next_photo_url = '';
public function __construct(Image $photo)
{
$this->photo = $photo;
}
public function setPreviousPhotoUrl($url)
{
$this->previous_photo_url = $url;
}
public function setNextPhotoUrl($url)
{
$this->next_photo_url = $url;
}
protected function html_content()
{
$this->photoNav();
@ -57,16 +69,16 @@ class PhotoPage extends SubTemplate
private function photoNav()
{
if (false) // $previous_post = $this->post->getPreviousPostUrl())
if ($this->previous_photo_url)
echo '
<a href="', $previous_post, '" id="previous_photo"><em>Previous photo</em></a>';
<a href="', $this->previous_photo_url, '" id="previous_photo"><em>Previous photo</em></a>';
else
echo '
<span id="previous_photo"><em>Previous photo</em></span>';
if (false) //$this->post->getNextPostUrl())
if ($this->next_photo_url)
echo '
<a href="', $next_post, '" id="next_photo"><em>Next photo</em></a>';
<a href="', $this->next_photo_url, '" id="next_photo"><em>Next photo</em></a>';
else
echo '
<span id="next_photo"><em>Next photo</em></span>';

View File

@ -13,6 +13,7 @@ class PhotosIndex extends SubTemplate
protected $show_labels;
protected $row_limit = 1000;
protected $previous_header = '';
protected $url_suffix;
const PANORAMA_WIDTH = 1280;
const PANORAMA_HEIGHT = null;
@ -95,7 +96,7 @@ class PhotosIndex extends SubTemplate
<a class="edit" href="', BASEURL, '/editasset/?id=', $image->getId(), '">Edit</a>';
echo '
<a href="', $image->getPageUrl(), '">
<a href="', $image->getPageUrl(), $this->url_suffix, '">
<img src="', $image->getThumbnailUrl($width, $height, $crop, $fit), '" alt="" title="', $image->getTitle(), '">';
if ($this->show_labels)
@ -262,4 +263,9 @@ class PhotosIndex extends SubTemplate
echo '
</div>';
}
public function setUrlSuffix($suffix)
{
$this->url_suffix = $suffix;
}
}