269 lines
8.2 KiB
PHP
269 lines
8.2 KiB
PHP
<?php
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/*
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* Gallery - a web based photo album viewer and editor
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* Copyright (C) 2000-2007 Bharat Mediratta
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/**
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* This plugin will handle applying operations to a photo
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* @package GalleryCore
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* @subpackage UserInterface
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* @author Bharat Mediratta <bharat@menalto.com>
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* @version $Revision: 15513 $
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*/
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class ItemEditRotateAndScalePhoto extends ItemEditPlugin {
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/**
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* @see ItemEditPlugin::handleRequest
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*/
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function handleRequest($form, &$item, &$preferred) {
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list ($ret, $module) = GalleryCoreApi::loadPlugin('module', 'core');
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if ($ret) {
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return array($ret, null, null, null);
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}
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$status = null;
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$error = array();
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$operation = null;
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/* Figure out which command we're taking */
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if (isset($form['action']['resize'])) {
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if (empty($form['resize']['width']) || empty($form['resize']['height'])) {
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$error[] = 'form[error][resize][size][missing]';
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} else if (!($tmp = rtrim($form['resize']['width'], '%'))
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|| !is_numeric($tmp) || $tmp < 1
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|| !($tmp = rtrim($form['resize']['height'], '%'))
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|| !is_numeric($tmp) || $tmp < 1) {
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$error[] = 'form[error][resize][size][invalid]';
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} else {
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$operation = 'scale';
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$args = array($form['resize']['width'], $form['resize']['height']);
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}
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} else if (isset($form['action']['rotate']['clockwise'])) {
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$operation = 'rotate';
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$args = array(90);
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} else if (isset($form['action']['rotate']['counterClockwise'])) {
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$operation = 'rotate';
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$args = array(-90);
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} else if (isset($form['action']['rotate']['flip'])) {
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$operation = 'rotate';
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$args = array(180);
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} else if (isset($form['action']['revertToOriginal'])) {
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if (!empty($preferred)) {
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/*
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* Pull out the rotate and resize operations and let our change ripple
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* down the derivative tree, if necessary
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*/
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$remainingOperations = array();
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foreach (split(';', $preferred->getDerivativeOperations()) as $tmpOperation) {
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if (preg_match("/^(rotate|resize|scale)\|/", $tmpOperation)) {
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$ret = GalleryCoreApi::adjustDependentDerivatives($preferred->getId(),
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$tmpOperation,
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true);
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if ($ret) {
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return array($ret, null, null, null);
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}
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} else {
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$remainingOperations[] = $tmpOperation;
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}
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}
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list ($ret, $lockId) = GalleryCoreApi::acquireWriteLock($preferred->getId());
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if ($ret) {
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return array($ret, null, null, null);
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}
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list ($ret, $preferred) = $preferred->refresh();
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if ($ret) {
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return array($ret, null, null, null);
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}
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if ($remainingOperations) {
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$preferred->setDerivativeOperations(join(';', $remainingOperations));
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} else {
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$preferred->setDerivativeOperations(null);
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}
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$ret = $preferred->save();
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if ($ret) {
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return array($ret, null, null, null);
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}
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$ret = GalleryCoreApi::releaseLocks($lockId);
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if ($ret) {
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return array($ret, null, null, null);
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}
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if ($preferred->hasNoOperations()) {
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$ret = GalleryCoreApi::remapSourceIds(
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$preferred->getId(), $preferred->getDerivativeSourceId());
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if ($ret) {
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return array($ret, null, null, null);
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}
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$ret = GalleryCoreApi::deleteEntityById($preferred->getId());
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if ($ret) {
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return array($ret, null, null, null);
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}
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}
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/* Prepare our status message */
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$status = $module->translate('Reverted rotate and scale changes successfully');
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}
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}
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$preserveOriginal = isset($form['preserveOriginal']);
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if ($form['serialNumber'] != $item->getSerialNumber()) {
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return array(GalleryCoreApi::error(ERROR_OBSOLETE_DATA), null, null, null);
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}
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/*
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* If we have a command, then apply it to the correct object.
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*/
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if (!empty($operation)) {
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$ret = GalleryCoreApi::applyToolkitOperation(
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$operation, $args, $preserveOriginal, $item, $preferred);
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if ($ret) {
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return array($ret, null, null, null);
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}
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/* Set our status message */
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switch ($operation) {
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case 'rotate':
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$status = $module->translate('Rotated photo successfully');
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break;
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case 'scale':
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$status = $module->translate('Scaled photo successfully');
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break;
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}
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}
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return array(null, $error, $status, false);
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}
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/**
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* @see ItemEditPlugin::loadTemplate
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*/
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function loadTemplate(&$template, &$form, $item, $thumbnail) {
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$ItemEditRotateAndScalePhoto = array();
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list ($ret, $ItemEditRotateAndScalePhoto['isAdmin']) =
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GalleryCoreApi::isUserInSiteAdminGroup();
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if ($ret) {
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return array($ret, null, null);
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}
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if ($form['formName'] != 'ItemEditRotateAndScalePhoto') {
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/* First time around, reset the form */
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$form['resize']['width'] = $form['resize']['height'] = '';
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$form['preserveOriginal'] = 1;
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$form['formName'] = 'ItemEditRotateAndScalePhoto';
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}
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if ($item->isLinked()) {
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$ItemEditRotateAndScalePhoto['editPhoto']['isLinked'] = true;
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$ItemEditRotateAndScalePhoto['editPhoto']['isLinkedTo'] = false;
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} else {
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list ($ret, $linkedIds) = GalleryCoreApi::fetchEntitiesLinkedTo($item->getId());
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if ($ret) {
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return array($ret, null, null);
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}
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$ItemEditRotateAndScalePhoto['editPhoto']['isLinkedTo'] = !empty($linkedIds);
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$ItemEditRotateAndScalePhoto['editPhoto']['isLinked'] = false;
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}
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/* Check to see if we have a preferred source */
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list ($ret, $results) =
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GalleryCoreApi::fetchPreferredsByItemIds(array($item->getId()));
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if ($ret) {
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return array($ret, null, null);
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}
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/* Can we allow to delete the original? */
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$mimeType = $item->getMimeType();
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list ($ret, $toolkit) =
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GalleryCoreApi::getToolkitByOperation($mimeType, 'rotate');
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if ($ret) {
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return array($ret, null, null);
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}
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$ItemEditRotateAndScalePhoto['editPhoto']['noToolkitSupport'] = !isset($toolkit);
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/* Get worst of rotate and resize */
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if (isset($toolkit)) {
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list ($ret, $toolkit) =
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GalleryCoreApi::getToolkitByOperation($mimeType, 'resize');
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if ($ret) {
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return array($ret, null, null);
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}
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$ItemEditRotateAndScalePhoto['editPhoto']['noToolkitSupport'] = !isset($toolkit);
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}
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$sourceMimeTypes = array($mimeType);
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if (empty($results)) {
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$ItemEditRotateAndScalePhoto['editPhoto']['hasPreferredSource'] = false;
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} else {
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$preferred = $results[$item->getId()];
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if (preg_match("/(rotate|resize|scale)\|/", $preferred->getDerivativeOperations())) {
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$ItemEditRotateAndScalePhoto['editPhoto']['hasPreferredSource'] = true;
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} else {
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$ItemEditRotateAndScalePhoto['editPhoto']['hasPreferredSource'] = false;
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}
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$sourceMimeTypes[] = $preferred->getMimeType();
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}
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/* Figure out what options we can provide */
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list ($ret, $ItemEditRotateAndScalePhoto['editPhoto']['can']['rotate']) =
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$this->_checkForOperation('rotate', $sourceMimeTypes);
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if ($ret) {
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return array($ret, null, null);
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}
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list ($ret, $ItemEditRotateAndScalePhoto['editPhoto']['can']['resize']) =
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$this->_checkForOperation('scale', $sourceMimeTypes);
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if ($ret) {
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return array($ret, null, null);
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}
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$template->setVariable('ItemEditRotateAndScalePhoto', $ItemEditRotateAndScalePhoto);
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$template->setVariable('controller', 'core.ItemEditRotateAndScalePhoto');
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return array(null,
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'modules/core/templates/ItemEditRotateAndScalePhoto.tpl', 'modules_core');
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}
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/**
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* @see ItemEditPlugin::isSupported
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*/
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function isSupported($item, $thumbnail) {
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return (GalleryUtilities::isA($item, 'GalleryPhotoItem'));
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}
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/**
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* @see ItemEditPlugin::getTitle
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*/
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function getTitle() {
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list ($ret, $module) = GalleryCoreApi::loadPlugin('module', 'core');
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if ($ret) {
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return array($ret, null);
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}
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return array(null, $module->translate('Modify Photo'));
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}
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}
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?>
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