libreccm-legacy/ccm-cms-assets-fileattachment/src/com/arsdigita/cms/contentassets/ui/FileAttachmentUpload.java

230 lines
8.0 KiB
Java
Executable File

/*
* Copyright (C) 2004 Red Hat Inc. All Rights Reserved.
*
* The contents of this file are subject to the Open Software License v2.1
* (the "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
* http://rhea.redhat.com/licenses/osl2.1.html.
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
*/
package com.arsdigita.cms.contentassets.ui;
import com.arsdigita.bebop.ColumnPanel;
import com.arsdigita.bebop.Form;
import com.arsdigita.bebop.FormData;
import com.arsdigita.bebop.FormProcessException;
import com.arsdigita.bebop.Label;
import com.arsdigita.bebop.PageState;
import com.arsdigita.bebop.SaveCancelSection;
import com.arsdigita.bebop.event.FormInitListener;
import com.arsdigita.bebop.event.FormProcessListener;
import com.arsdigita.bebop.event.FormSectionEvent;
import com.arsdigita.bebop.event.FormValidationListener;
import com.arsdigita.bebop.form.TextArea;
import com.arsdigita.bebop.parameters.NotNullValidationListener;
import com.arsdigita.bebop.parameters.StringInRangeValidationListener;
import com.arsdigita.cms.ContentItem;
import com.arsdigita.cms.ItemSelectionModel;
import com.arsdigita.cms.contentassets.FileAttachment;
import com.arsdigita.cms.contentassets.FileAttachmentConfig;
import com.arsdigita.cms.contentassets.FileAttachmentGlobalize;
import com.arsdigita.cms.contentassets.util.FileAttachmentGlobalizationUtil;
import com.arsdigita.cms.ui.FileUploadSection;
import com.arsdigita.cms.util.GlobalizationUtil;
import com.arsdigita.dispatcher.DispatcherHelper;
import com.arsdigita.mimetypes.ImageMimeType;
import com.arsdigita.persistence.DataCollection;
import com.arsdigita.persistence.DataObject;
import java.io.File;
import java.io.IOException;
import org.apache.log4j.Logger;
/**
* A form for uploading file attachments. Displays a mime-type selection box.
*
* @author Scott Seago (sseago@redhat.com)
* @version $Revision: #2 $ $DateTime: 2004/03/30 18:21:14 $
* @version $Id: FileAttachmentUpload.java 287 2005-02-22 00:29:02Z sskracic $
*/
public class FileAttachmentUpload extends Form
implements FormInitListener, FormProcessListener, FormValidationListener {
private static final Logger s_log = Logger.getLogger(
FileAttachmentUpload.class);
private FileUploadSection m_fileUploadSection;
private TextArea m_description;
private ItemSelectionModel m_itemModel;
private SaveCancelSection m_saveCancelSection;
private TextArea m_captionText;
private static final FileAttachmentConfig s_config = FileAttachmentConfig
.instanceOf();
/**
* Construct a new FileAttachmentUpload
*
* @param itemModel The {@link ItemSelectionModel} which will be responsible
* for loading the current item
*
*/
public FileAttachmentUpload(ItemSelectionModel itemModel) {
super("FileAttachmentUpload", new ColumnPanel(2));
m_itemModel = itemModel;
ColumnPanel panel = (ColumnPanel) getPanel();
panel.setBorder(false);
panel.setPadColor("#FFFFFF");
panel.setColumnWidth(1, "20%");
panel.setColumnWidth(2, "80%");
panel.setWidth("2%");
addWidgets();
m_saveCancelSection = new SaveCancelSection();
add(m_saveCancelSection, ColumnPanel.FULL_WIDTH | ColumnPanel.LEFT);
addInitListener(this);
addProcessListener(this);
addValidationListener(this);
setMethod(Form.POST);
setEncType("multipart/form-data");
}
/**
* @return the item selection model used in this form
*/
public ItemSelectionModel getItemSelectionModel() {
return m_itemModel;
}
/**
* @return the save/cancel section for this form
*/
public SaveCancelSection getSaveCancelSection() {
return m_saveCancelSection;
}
/**
* @param state The page state
*
* @return the currently selected item
*/
public ContentItem getContentItem(PageState state) {
return (ContentItem) m_itemModel.getSelectedObject(state);
}
/**
* Set the image asset. This will probably be done in the process listener
*
* @param state The page state
* @param asset The image asset
*/
// this may not be needed at all -- it was in the medqic code for some reason.
// we should remove if possible
public void setFileAttachment(PageState state) {
ContentItem item = getContentItem(state);
// Force the item to reload, since the assets query is cached ?
// ?
}
// Add the widgets
public void addWidgets() {
m_fileUploadSection = new FileUploadSection(FileAttachmentGlobalize
.FileTypeLabel(),
"file",
ImageMimeType.MIME_IMAGE_JPEG);
m_fileUploadSection.getFileUploadWidget()
.addValidationListener(new NotNullValidationListener());
add(m_fileUploadSection, ColumnPanel.INSERT);
m_description = new TextArea("description");
m_description.setRows(5);
m_description.setCols(60);
m_description.addValidationListener(new StringInRangeValidationListener(
0,
s_config.getFileAttachmentDescriptionMaxLength(),
FileAttachmentGlobalize.DescriptionTooLong(s_config
.getFileAttachmentDescriptionMaxLength())));
add(new Label(GlobalizationUtil.globalize(
"cms.contentassets.ui.description")));
m_description.lock();
add(m_description);
}
@Override
public void init(FormSectionEvent fse) throws FormProcessException {
FormData data = fse.getFormData();
PageState state = fse.getPageState();
s_log.debug("Init");
m_description.setValue(state, null);
}
@Override
public void validate(final FormSectionEvent event) throws
FormProcessException {
final PageState state = event.getPageState();
final ContentItem item = getContentItem(state);
final String fileName = m_fileUploadSection.getFileName(event);
final DataCollection attachments = FileAttachment.getAttachments(item);
while (attachments.next()) {
final DataObject attachment = attachments.getDataObject();
if (attachment.get(FileAttachment.NAME).equals(fileName)) {
attachments.close();
throw new FormProcessException(FileAttachmentGlobalizationUtil
.globalize(
"cms.contentassets.file_attachment.already_attached",
new String[]{fileName}));
}
}
attachments.close();
}
// process: update the mime type and content
@Override
public void process(final FormSectionEvent event) throws
FormProcessException {
s_log.debug("Uploading File");
final PageState state = event.getPageState();
final ContentItem item = getContentItem(state);
// Get the text asset or create a new one
final FileAttachment attachment = new FileAttachment();
final File file = m_fileUploadSection.getFile(event);
final String fileName = m_fileUploadSection.getFileName(event);
try {
attachment.loadFromFile(fileName, file, "application/octet-stream");
} catch (IOException ex) {
throw new FormProcessException(ex);
}
attachment.setDescription((String) m_description.getValue(state));
attachment.setFileOwner(item);
attachment.save();
item.save();
// Save everything
this.setFileAttachment(state);
DispatcherHelper.cacheDisable(state.getResponse());
s_log.debug("File Uploaded");
}
/**
* @return the save/cancel section for this form
*/
public FileUploadSection getFileUploadSection() {
return m_fileUploadSection;
}
}