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<?php
/*
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2007 Bharat Mediratta
*
* 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 (at
* your option) 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
/**
* Theme with combined image view, scrollable thumbnails and slideshow.
* Displays inline items ONLY; subalbums or other items types are NOT shown.
* @package Themes
* @subpackage Slider
* @author Alan Harder <alan.harder@sun.com>
* @version $Revision: 16034 $
*/
class SliderTheme extends GalleryTheme {
function SliderTheme() {
global $gallery;
$this->setId('slider');
$this->setName($gallery->i18n('Slider'));
$this->setDescription(
$gallery->i18n('Image viewer/slideshow; subalbums/other items not shown'));
$this->setVersion('1.0.7');
$this->setRequiredCoreApi(array(7, 4));
$this->setRequiredThemeApi(array(2, 5));
$this->setStandardSettings(array(
'colorpack' => '',
'sidebarBlocks' => serialize(array(
array('search.SearchBlock', array('showAdvancedLink' => true)),
array('imageblock.ImageBlock', array()))),
'enableImageMap' => 0));
}
/**
* @see GalleryTheme::getSettings
*/
function getSettings($itemId=null) {
list ($ret, $settings, $params) = parent::getSettings($itemId);
if ($ret) {
return array($ret, null, null);
}
$settings[] = array('key' => 'enableImageMap',
'name' => $this->translate(
'Enable prev/next navigation by clicking in the left/right half of the image'),
'type' => 'checkbox',
'value' => $params['enableImageMap']);
return array(null, $settings, $params);
}
/**
* @see GalleryTheme::showAlbumPage
*/
function showAlbumPage(&$template, $item, $params, $childIds) {
$ret = $this->loadCommonTemplateData($template, $item, $params,
array('parents', 'systemLinks', 'itemLinks'),
$childIds);
if ($ret) {
return array($ret, null);
}
$theme =& $template->getVariableByReference('theme');
list ($ret, $imageWidths, $imageHeights) =
$this->_buildItemList($childIds, $theme['children']);
if ($ret) {
return array($ret, null);
}
$theme['imageWidths'] = implode(',', $imageWidths);
$theme['imageHeights'] = implode(',', $imageHeights);
$theme['imageCount'] = count($imageWidths);
$template->head('themes/slider/templates/header.tpl');
return array(null, 'theme.tpl');
}
/**
* @see GalleryTheme::showPhotoPage
*/
function showPhotoPage(&$template, $item, $params) {
$renderId = GalleryUtilities::getRequestVariables('renderId');
if (!empty($renderId)) {
/* Render this item */
list ($ret, $image) = GalleryCoreApi::loadEntitiesById($renderId);
if ($ret) {
return array($ret, null);
}
$template->setVariable('theme', array('item' => (array)$item,
'image' => (array)$image));
return array(null, 'render.tpl');
}
/* Otherwise, load the parent with initial view of this item */
list ($ret, $parent) = GalleryCoreApi::loadEntitiesById($item->getParentId());
if ($ret) {
return array($ret, null);
}
list ($ret, $childIds) = GalleryCoreApi::fetchChildItemIds($parent);
if ($ret) {
return array($ret, null);
}
list ($ret, $tplFile) = $this->showAlbumPage($template, $parent, $params, $childIds);
if ($ret) {
return array($ret, null);
}
$theme =& $template->getVariableByReference('theme');
foreach ($theme['children'] as $tmp) {
if ($tmp['id'] == $item->getId()) {
if (isset($tmp['imageIndex'])) {
$theme['viewIndex'] = $tmp['imageIndex'];
}
break;
}
}
return array(null, $tplFile);
}
/**
* @see GalleryTheme::showModulePage
*/
function showModulePage(&$template, $item, $params, $templateFile) {
$ret = $this->loadCommonTemplateData(
$template, $item, $params, array('parents', 'systemLinks'));
if ($ret) {
return array($ret, null);
}
return array(null, 'theme.tpl');
}
/**
* @see GalleryTheme::showAdminPage
*/
function showAdminPage(&$template, $item, $params, $templateFile) {
$ret = $this->loadCommonTemplateData(
$template, $item, $params, array('parents', 'systemLinks'));
if ($ret) {
return array($ret, null);
}
return array(null, 'theme.tpl');
}
/**
* @see GalleryTheme::showErrorPage
*/
function showErrorPage(&$template) {
return array(null, 'error.tpl');
}
/**
* @see GalleryTheme::showProgressBarPage
*/
function showProgressBarPage(&$template, $item, $params) {
$ret = $this->loadCommonTemplateData(
$template, $item, $params, array('parents', 'systemLinks'));
if ($ret) {
return array($ret, null);
}
return array(null, 'theme.tpl');
}
/**
* Prepare data about items in this album.
* @access private
*/
function _buildItemList($childIds, &$children) {
$imageWidths = $imageHeights = $childItems = array();
if (!empty($childIds)) {
$ret = GalleryCoreApi::studyPermissions($childIds);
if ($ret) {
return array($ret, null, null);
}
list ($ret, $childItems) = GalleryCoreApi::loadEntitiesById($childIds);
if ($ret) {
return array($ret, null, null);
}
list ($ret, $preferredFullImages) =
GalleryCoreApi::fetchPreferredsByItemIds($childIds);
if ($ret) {
return array($ret, null, null);
}
list ($ret, $resizedImages) =
GalleryCoreApi::fetchResizesByItemIds($childIds);
if ($ret) {
return array($ret, null, null);
}
list ($ret, $thumbnails) =
GalleryCoreApi::fetchThumbnailsByItemIds($childIds);
if ($ret) {
return array($ret, null, null);
}
}
$i = -1;
foreach ($childItems as $child) {
$i++;
$childId = $child->getId();
if (!GalleryUtilities::isA($child, 'GalleryDataItem')) {
continue;
}
if (isset($thumbnails[$childId])) {
if (!($thumbnails[$childId]->getWidth() && $thumbnails[$childId]->getHeight())) {
list ($ret, $thumbnails[$childId]) =
GalleryCoreApi::rebuildDerivativeCache($thumbnails[$childId]->getId());
if ($ret) {
return array($ret, null, null);
}
}
$children[$i]['thumbnail'] = (array)$thumbnails[$childId];
}
list ($ret, $permissions) = GalleryCoreApi::getPermissions($childId);
if ($ret) {
return array($ret, null, null);
}
$images = array();
if (isset($permissions['core.viewSource'])) {
/* Full size; check for preferred copy */
if (isset($preferredFullImages[$childId])) {
$images[] = $preferredFullImages[$childId];
} else if ($child->canBeViewedInline()) {
$images[] = $child;
}
}
if (isset($permissions['core.viewResizes']) && isset($resizedImages[$childId])) {
foreach ($resizedImages[$childId] as $resize) {
$images[] = $resize;
}
}
if (isset($thumbnails[$childId])) {
$images[] = $thumbnails[$childId];
}
if (!empty($images)) {
$image = $images[0];
/* Rebuild derivative if needed so width/height known */
if (GalleryUtilities::isA($image, 'GalleryDerivativeImage')
&& !($image->getWidth() && $image->getHeight())) {
list ($ret, $image) = GalleryCoreApi::rebuildDerivativeCache($image->getId());
if ($ret) {
return array($ret, null, null);
}
}
$image = (array)$image;
$children[$i]['image'] = $image;
$children[$i]['imageIndex'] = count($imageWidths);
if (GalleryUtilities::isExactlyA($child, 'GalleryPhotoItem') &&
$image['width'] > 0 && $image['height'] > 0) {
/* Display in <img> */
$imageWidths[] = $image['width'];
$imageHeights[] = $image['height'];
} else {
/* Item must render itself */
$children[$i]['renderItem'] = 1;
$imageWidths[] = $imageHeights[] = -1;
}
}
}
return array(null, $imageWidths, $imageHeights);
}
}
?>
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