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File: ImageFrameImpl.class
<?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.
 */

GalleryCoreApi::requireOnce('modules/imageframe/classes/ImageFrameInterface_1_1.class');

/**
 * Implementation of the ImageFrameInterface for rendering a frame around an image
 * @package ImageFrame
 * @subpackage Classes
 * @author Alan Harder <alan.harder@sun.com>
 * @version $Revision: 15513 $
 */
class ImageFrameImpl extends ImageFrameInterface_1_1 {
    /**
     * @see ImageFrameInterface_1_1::getImageFrameList
     */
    function getImageFrameList() {
	global $gallery;
	$platform =& $gallery->getPlatform();

	/*
	 * Load the plugin even if it's deactivated since we only need it for translation, and
	 * it's possible that this is getting called during the core upgrade, when we won't be
	 * able to properly deal with deactivated plugins.
	 */
	list ($ret, $module) = GalleryCoreApi::loadPlugin('module', 'imageframe', true);
	if ($ret) {
	    return array($ret, null);
	}

	$frames = array('solid' => $module->translate('Solid'));
	$dir = dirname(__FILE__) . '/../frames';
	if ($platform->is_dir($dir) && $platform->is_readable($dir)
		&& $fd = $platform->opendir($dir)) {
	    while ($file = $platform->readdir($fd)) {
		$subdir = "$dir/$file";
		$frameinc = "$subdir/frame.inc";
		if ($platform->is_dir($subdir) && $platform->file_exists($frameinc)) {
		    require($frameinc);
		    $frames[$file] = $module->translate($frameData['name']);
		}
	    }
	    $platform->closedir($fd);
	}
	asort($frames);

	return array(null,
		     array_merge(array('none' => $module->translate('None')), $frames));
    }

    /**
     * @see ImageFrameInterface_1_1::init
     */
    function init(&$template, $frameIds) {
	global $gallery;
	$platform =& $gallery->getPlatform();
	static $simpleFrames;
	if (!$template->hasVariable('ImageFrameData')) {
	    $simpleFrames = array(
		'none' => array('type' => 'style', 'style' => 'border-style: none'),
		'solid' => array('type' => 'style',
				 'style' => 'border: 1px solid black !important'));
	    $templateAdapter =& $gallery->getTemplateAdapter();
	    $template->setVariable('ImageFrameData', array('idList' => '', 'data' => array()));
	}
	$template->head('modules/imageframe/templates/ImageFrameHead.tpl');
	$data =& $template->getVariableByReference('ImageFrameData');

	list ($ret, $module) = GalleryCoreApi::loadPlugin('module', 'imageframe');
	if ($ret) {
	    return $ret;
	}
	$urlGenerator =& $gallery->getUrlGenerator();
	$baseUrl = $urlGenerator->generateUrl(array('href' => 'modules/imageframe/frames'));
	if (!is_array($frameIds)) {
	    $frameIds = array($frameIds);
	}

	foreach ($frameIds as $frameId) {
	    if (isset($data['data'][$frameId])) {
		continue;
	    }
	    if (isset($simpleFrames[$frameId])) {
		$data['data'][$frameId] = $simpleFrames[$frameId];
	    } else {
		$dir = dirname(__FILE__) . "/../frames/$frameId";
		$frameinc = "$dir/frame.inc";
		if ($platform->is_dir($dir) && $platform->file_exists($frameinc)) {
		    require($frameinc);
		    $frame = array('type' => isset($frameData['style']) ? 'style' : 'image');
		    foreach ($frameData as $key => $value) {
			if ($key == 'name' || $key == 'description') {
			    $frame[$key] = $module->translate($value);
			} else if (!strncmp($key, 'image', 5) && $value) {
			    $frame[$key] = "$baseUrl/$frameId/" . $value;
			} else {
			    $frame[$key] = $value;
			}
		    }
		    if ($frame['type'] == 'image') {
			$frame['wHL'] = max($frameData['widthTTL'], $frameData['widthBBL']);
			$frame['wHR'] = max($frameData['widthTTR'], $frameData['widthBBR']);
			$frame['hVT'] = max($frameData['heightLLT'], $frameData['heightRRT']);
			$frame['hVB'] = max($frameData['heightLLB'], $frameData['heightRRB']);
			$frame['rowspan'] = 1 + ($frame['hVT']>0?1:0) + ($frame['hVB']>0?1:0);
			$frame['colspan'] = 1 + ($frame['wHL']>0?1:0) + ($frame['wHR']>0?1:0);
		    }
		    $data['data'][$frameId] = $frame;
		}
	    }
	}
	$data['idList'] = implode('|', array_keys($data['data']));

	return null;
    }

    /**
     * Smarty callback to render an ImageFrame
     */
    function renderImageFrame($params, $content, &$smarty) {
	$smarty->_smarty_include(array(
	    'smarty_include_tpl_file' => 'gallery:modules/imageframe/templates/ImageFrame.tpl',
	    'smarty_include_vars' => array('frame' => $params['frame'],
					   'content' => trim($content))));
    }

    /**
     * @see ImageFrameInterface_1_1::getSampleUrl
     */
    function getSampleUrl($itemId=null) {
	global $gallery;
	$urlGenerator =& $gallery->getUrlGenerator();
	$params = array('view' => 'imageframe.Sample');
	if (isset($itemId)) {
	    $params['itemId'] = $itemId;
	}
	return array(null, $urlGenerator->generateUrl($params));
    }
}
?>