/usr/share/horde/ansel/lib/View/Base.php is in php-horde-ansel 3.0.5+debian0-1.
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/**
* The Ansel_View_Abstract:: Parent class for the various Ansel_View classes
*
* Copyright 2008-2016 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (GPL). If you
* did not receive this file, see http://www.horde.org/licenses/gpl.
*
* @author Chuck Hagenbuch <chuck@horde.org>
* @author Michael J. Rubinsky <mrubinsk@horde.org>
* @package Ansel
*/
abstract class Ansel_View_Base
{
protected $_params = array();
/**
* Const'r
*
* Any javascript files needed by the (non-api) view should be included
* within this method. Additionally, any redirects need to be done in the
* cont'r since when ::html() is called, headers will have already been
* sent.
*
* @param array $params Any parameters that the view might need.
* <pre>
* gallery_id The gallery id this view is for. If omitted, it
* looks for a query parameter called 'gallery'
*
* gallery_slug Same as above, but a slug
*
* gallery_view_url If set, this is used as the link to a gallery
* view. %g is replaced by the gallery_id and %s is
* replaced by the gallery_slug.
*
* gallery_view The specific Renderer to use, if needed.
* (GalleryLightbox, Gallery etc...).
*
* image_view_url If this is set, the image tiles will use this url
* for the image view link. %i and %g will be
* replaced by image_id and gallery_id respectively.
* %s will be replaced by the gallery_slug
*
* image_view_src If this is set to true, the image view link will go
* directly to the actual image. This overrides any
* setting of image_view_url.
*
* image_view_attributes An optional array of attribute => value pairs
* that are used as attributes of the image view
* link.
*
* image_view_title Specifies which property of the image object
* to use as the image caption.
*
* image_onclick Specifies a onclick handler for the image tile
* links.
*
* style Force the use of this named style.
*
* api If set, we are being called from the external api
*
* page The gallery page number to display if not the
* default value of the first page (page = 0)
*
* day, month, year Numeric date part values to describe the gallery
* date grouping to view in date mode.
*
* force_date_grouping Do not auto navigate to the first date grouping
* with more then one resource. Used from the api
* when clicking on breadcrumb links, for example.
* </pre>
*/
public function __construct(array $params = array())
{
$this->_params = $params;
}
public function __get($property)
{
if (isset($this->_params[$property])) {
return $this->_params[$property];
}
return null;
}
public function __set($property, $value)
{
$this->_params[$property] = $value;
}
public function __isset($property)
{
return isset($this->_params[$property]);
}
/**
* Getter for the view parameters.
*
* @return unknown_type
*/
public function getParams()
{
return $this->_params;
}
/**
* Todo
*
* @param integer $galleryId The gallery id
* @param string $slug The gallery slug
*
* @return Ansel_Gallery The requested Ansel_Gallery object
* @throws Horde_Exception
* @throws InvalidArgumentException
*
*/
protected function _getGallery($galleryId = null, $slug = '')
{
if (is_null($galleryId) && empty($slug)) {
$galleryId = !empty($this->_params['gallery_id']) ? $this->_params['gallery_id'] : null;
$slug = !empty($this->_params['gallery_slug']) ? $this->_params['gallery_slug'] : null;
}
if (empty($galleryId) && empty($slug)) {
throw new Ansel_Exception(_("No gallery specified"));
}
// If we have a slug, use it.
try {
if (!empty($slug)) {
$gallery = $GLOBALS['injector']->getInstance('Ansel_Storage')->getGalleryBySlug($slug);
} else {
$gallery = $GLOBALS['injector']->getInstance('Ansel_Storage')->getGallery($galleryId);
}
} catch (Ansel_Exception $e) {
throw new Horde_Exception_NotFound($e->getmessage());
}
if (!$gallery->hasPermission($GLOBALS['registry']->getAuth(), Horde_Perms::READ)) {
throw new Horde_Exception_PermissionDenied(_("Access denied to this gallery."));
}
/* Set any date info we might have */
if (!empty($this->_params['year'])) {
$date = Ansel::getDateParameter(
array('year' => $this->_params['year'],
'month' => $this->_params['month'],
'day' => $this->_params['day']));
} else {
$date = array();
}
$gallery->setDate($date);
return $gallery;
}
/**
* JSON representation of this gallery's images. We don't use
* Ansel_Gallery::toJson() on purpose since that is a general jsonification
* of the gallery data. This method is specific to the view, paging, links
* etc...
*
* @param Ansel_Gallery $gallery The gallery to represent in this view
* @param array $params An array of parameters for this method:
* <pre>
* full - Should a full URL be generated? [false]
* from - Starting image count [0]
* count - The number of images to include (starting at from) [0]
* image_view - The type of ImageGenerator to obtain the src url for. [screen]
* view_links - Should the JSON include links to the Image and/or Gallery View? [false]
* perpage - Number of images per page [from user prefs]
* </pre>
*
* @return string A serialized JSON array.
*/
static public function json(Ansel_Gallery $gallery, $params = array())
{
global $conf, $prefs;
$default = array(
'full' => false,
'from' => 0,
'count' => 0,
'image_view' => 'screen',
'view_links' => false,
'perpage' => $prefs->getValue('tilesperpage', $conf['thumbnail']['perpage'])
);
$params = array_merge($default, $params);
$json = array();
$curimage = 0;
$curpage = 0;
if (empty($params['images'])) {
$images = $gallery->getImages($params['from'], $params['count']);
}
$style = $gallery->getStyle();
if ($params['image_view'] == 'thumb' && !empty($params['generator'])) {
$style->thumbstyle = $params['generator'];
}
foreach ($images as $image) {
// Calculate the page this image will appear on in the gallery view.
if (++$curimage > $params['perpage']) {
++$curpage;
$curimage = 0;
}
$data = array(
(string)Ansel::getImageUrl($image->id, $params['image_view'], $params['full'], $style),
htmlspecialchars($image->filename),
$GLOBALS['injector']->getInstance('Horde_Core_Factory_TextFilter')->filter($image->caption, 'text2html', array('parselevel' => Horde_Text_Filter_Text2html::MICRO_LINKURL)),
$image->id,
$curpage
);
if ($params['view_links']) {
$data[] = (string)Ansel::getUrlFor('view',
array('gallery' => $gallery->id,
'slug' => $gallery->get('slug'),
'image' => $image->id,
'view' => 'Image',
'page' => $curpage),
true);
$data[] = (string)Ansel::getUrlFor('view',
array('gallery' => $image->gallery,
'slug' => $gallery->get('slug'),
'view' => 'Gallery'),
true);
}
// Source, Width, Height, Name, Caption, Image Id, Gallery Page
$json[] = $data;
}
return Horde_Serialize::serialize($json, Horde_Serialize::JSON);
}
}
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