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<?php
/**
* Selection class
* A photo can be "selected" to be used in another part of Zoph,
* for example to be set as a coverphoto or to define related photos
*
* This file is part of Zoph.
*
* Zoph 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
* (at your option) any later version.
*
* Zoph 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 Zoph; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* @author Jeroen Roos
* @package Zoph
*/
use template\actionlink;
use template\block;
use web\session;
/**
* Selection class
* A photo can be "selected" to be used in another part of Zoph,
* for example to be set as a coverphoto or to define related photos
*
* @author Jeroen Roos
* @package Zoph
*/
class selection {
/** @var array Photos in the selection */
private $photos=array();
/**
* Create a new selection object
* @param array The links that need to be displayed with each photo
* @param string return link
* @param photo|Organiser the currently displayed object
* @param string field to assign photo id to
*/
public function __construct(
private array $links,
private string $return,
private ?zophTable $obj = null,
private string|array|null $field = "photo_id",
private ?array $session = null,
) {
if (!isset($session)) {
$session = session::getCurrent();
}
if (!isset($session["selected_photo"]) || sizeof($session["selected_photo"])===0) {
throw new photoNoSelectionException("No photos selected");
}
foreach ($session["selected_photo"] as $photo_id) {
$photo=new photo($photo_id);
$photo->lookup();
$this->photos[]=$photo;
}
if (sizeof($this->photos) === 0) {
throw new photoNoSelectionException("No photos selected");
}
}
/**
* Display the selection div
*/
public function __toString() {
$photos=array();
foreach ($this->photos as $photo) {
$actionlinks=array();
if (!($this->obj instanceof photo && ($this->obj->getId() == $photo->getId()))) {
foreach ($this->links as $actionlink) {
if (is_array($this->field)) {
$field = array_shift($this->field);
} else {
$field = $this->field;
}
$actionlink->addParams(array(
$field => $photo->getId(),
"_return" => $this->return
));
$actionlinks[]=$actionlink;
}
}
$actionlinks[] = new actionlink("x", "photo/deselect", array(
"photo_id" => (int) $photo->getId(),
"_return" => $this->return
));
$tplActionlinks=new block("actionlinks", array(
"actionlinks" => $actionlinks
));
$photos[]=array(
"actionlinks" => $tplActionlinks,
"photo" => $photo
);
}
$tpl=new block("selection", array(
"count" => count($this->photos),
"photos" => $photos
));
return (string) $tpl;
}
public static function select(photo $photo) : void {
$session = session::getCurrent();
$selectKey=false;
if (isset($session["selected_photo"])) {
if (!is_array($session["selected_photo"])) {
$session["selected_photo"] = array();
}
$selectKey=array_search($photo->getId(), $session["selected_photo"]);
}
if ($selectKey === false) {
$selection = $session["selected_photo"];
$selection[]=$photo->getId();
$session["selected_photo"] = $selection;
}
}
public static function deselect(photo $photo) : void {
$session = session::getCurrent();
$selectKey=false;
if (isset($session["selected_photo"])) {
if (!is_array($session["selected_photo"])) {
$session["selected_photo"] = array();
}
$selectKey=array_search($photo->getId(), $session["selected_photo"]);
}
if ($selectKey !== false) {
$selection = $session["selected_photo"];
unset($selection[$selectKey]);
$session["selected_photo"] = $selection;
}
}
}
|
