/***************************************************************************
* Copyright (C) 2003-2007 eXo Platform SAS.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License
* as published by the Free Software Foundation; either version 3
* 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, see<http://www.gnu.org/licenses/>.
***************************************************************************/
package org.exoplatform.forum.webui.popup;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import org.exoplatform.container.ExoContainerContext;
import org.exoplatform.forum.ForumUtils;
import org.exoplatform.forum.service.BufferAttachment;
import org.exoplatform.forum.service.ForumService;
import org.exoplatform.forum.webui.BaseForumForm;
import org.exoplatform.forum.webui.UIForumPortlet;
import org.exoplatform.ks.common.UserHelper;
import org.exoplatform.ks.common.image.ResizeImageService;
import org.exoplatform.services.jcr.util.IdGenerator;
import org.exoplatform.upload.UploadResource;
import org.exoplatform.upload.UploadService;
import org.exoplatform.webui.config.annotation.ComponentConfig;
import org.exoplatform.webui.config.annotation.EventConfig;
import org.exoplatform.webui.core.UIPopupComponent;
import org.exoplatform.webui.core.lifecycle.UIFormLifecycle;
import org.exoplatform.webui.event.Event;
import org.exoplatform.webui.event.EventListener;
import org.exoplatform.webui.event.Event.Phase;
import org.exoplatform.webui.form.UIFormUploadInput;
/**
* Created by The eXo Platform SARL
* Author : Pham Tuan
* tuan.pham@exoplatform.com
* Aug 24, 2007
*/
@ComponentConfig(
lifecycle = UIFormLifecycle.class,
template = "app:/templates/forum/webui/popup/UIFormForum.gtmpl",
events = {
@EventConfig(listeners = UIAttachFileForm.SaveActionListener.class),
@EventConfig(listeners = UIAttachFileForm.CancelActionListener.class, phase = Phase.DECODE)
}
)
public class UIAttachFileForm extends BaseForumForm implements UIPopupComponent {
final static public String FIELD_UPLOAD = "upload";
final private static int fixWidthImage = 200;
private boolean isTopicForm = true;
private boolean isChangeAvatar_ = false;
private int maxField = 5;
public UIAttachFileForm() throws Exception {
setMultiPart(true);
}
public void setMaxField(int maxField, boolean isAvatar) {
this.maxField = maxField;
int sizeLimit = ForumUtils.getLimitUploadSize(isAvatar);
for (int i = 1; i <= maxField; i++) {
if (sizeLimit != ForumUtils.DEFAULT_VALUE_UPLOAD_PORTAL) {
addUIFormInput(new UIFormUploadInput(FIELD_UPLOAD + String.valueOf(i), FIELD_UPLOAD + String.valueOf(i), sizeLimit, true));
} else {
addUIFormInput(new UIFormUploadInput(FIELD_UPLOAD + String.valueOf(i), FIELD_UPLOAD + String.valueOf(i), true));
}
}
}
public void updateIsTopicForm(boolean isTopicForm) throws Exception {
this.isTopicForm = isTopicForm;
}
public void setIsChangeAvatar(boolean isChangeAvatar) {
this.isChangeAvatar_ = isChangeAvatar;
}
public void activate() throws Exception {
}
public void deActivate() throws Exception {
}
static public class SaveActionListener extends EventListener<UIAttachFileForm> {
public void execute(Event<UIAttachFileForm> event) throws Exception {
UIAttachFileForm uiForm = event.getSource();
List<BufferAttachment> files = new ArrayList<BufferAttachment>();
BufferAttachment attachfile;
UploadService uploadService = uiForm.getApplicationComponent(UploadService.class);
for (int i = 1; i <= uiForm.maxField; i++) {
UIFormUploadInput input = (UIFormUploadInput) uiForm.getUIInput(FIELD_UPLOAD + String.valueOf(i));
UploadResource uploadResource = input.getUploadResource();
if (uploadResource == null) {
continue;
}
String fileName = uploadResource.getFileName();
if (fileName == null || fileName.equals(ForumUtils.EMPTY_STR)) {
continue;
}
InputStream stream = input.getUploadDataAsStream();
if(uiForm.isChangeAvatar_){
if (uploadResource.getMimeType().indexOf("image") < 0) {
uiForm.warning("UIAttachFileForm.msg.fileIsNotImage");
uploadService.removeUploadResource(input.getUploadId());
return;
}
ResizeImageService resizeImgService = (ResizeImageService) ExoContainerContext.getCurrentContainer()
.getComponentInstanceOfType(ResizeImageService.class);
stream = resizeImgService.resizeImageByWidth(fileName, stream, fixWidthImage);
}
try {
attachfile = new BufferAttachment();
attachfile.setId("ForumAttachment" + IdGenerator.generate());
attachfile.setName(uploadResource.getFileName());
attachfile.setInputStream(stream);
attachfile.setMimeType(uploadResource.getMimeType());
attachfile.setSize((long) uploadResource.getUploadedSize());
files.add(attachfile);
} catch (Exception e) {
uiForm.log.error("Can not attach file, exception: ", e);
uiForm.warning("UIAttachFileForm.msg.upload-error");
uploadService.removeUploadResource(input.getUploadId());
return;
}
uploadService.removeUploadResource(input.getUploadId());
}
if (files.isEmpty()) {
uiForm.warning("UIAttachFileForm.msg.upload-not-save");
return;
}
UIForumPortlet forumPortlet = uiForm.getAncestorOfType(UIForumPortlet.class);
if (uiForm.isTopicForm) {
UITopicForm topicForm = forumPortlet.findFirstComponentOfType(UITopicForm.class);
for (BufferAttachment file : files) {
topicForm.addToUploadFileList(file);
}
topicForm.refreshUploadFileList();
event.getRequestContext().addUIComponentToUpdateByAjax(topicForm);
} else if (uiForm.isChangeAvatar_) {
ForumService forumService = (ForumService) ExoContainerContext.getCurrentContainer().getComponentInstanceOfType(ForumService.class);
forumService.saveUserAvatar(UserHelper.getCurrentUser(), files.get(0));
UIForumUserSettingForm settingForm = forumPortlet.findFirstComponentOfType(UIForumUserSettingForm.class);
event.getRequestContext().addUIComponentToUpdateByAjax(settingForm);
} else {
UIPostForm postForm = forumPortlet.findFirstComponentOfType(UIPostForm.class);
for (BufferAttachment file : files) {
postForm.addToUploadFileList(file);
}
postForm.refreshUploadFileList();
event.getRequestContext().addUIComponentToUpdateByAjax(postForm);
}
uiForm.cancelChildPopupAction();
}
}
static public class CancelActionListener extends EventListener<UIAttachFileForm> {
public void execute(Event<UIAttachFileForm> event) throws Exception {
UIAttachFileForm uiForm = event.getSource();
UploadService uploadService = uiForm.getApplicationComponent(UploadService.class);
UIFormUploadInput input;
for (int i = 1; i <= uiForm.maxField; i++) {
input = (UIFormUploadInput) uiForm.getUIInput(FIELD_UPLOAD + String.valueOf(i));
uploadService.removeUploadResource(input.getUploadId());
}
uiForm.cancelChildPopupAction();
}
}
}