/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH (http://www.alkacon.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* For further information about Alkacon Software GmbH, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.workplace.commons;
import org.opencms.file.CmsObject;
import org.opencms.file.CmsProperty;
import org.opencms.file.CmsResource;
import org.opencms.file.CmsResourceFilter;
import org.opencms.file.types.I_CmsResourceType;
import org.opencms.i18n.CmsEncoder;
import org.opencms.jsp.CmsJspActionElement;
import org.opencms.main.CmsException;
import org.opencms.main.CmsLog;
import org.opencms.main.OpenCms;
import org.opencms.security.CmsPermissionSet;
import org.opencms.util.CmsStringUtil;
import org.opencms.workplace.CmsDialog;
import org.opencms.workplace.CmsWorkplace;
import org.opencms.workplace.CmsWorkplaceSettings;
import org.opencms.workplace.explorer.CmsExplorerTypeSettings;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.PageContext;
import org.apache.commons.logging.Log;
/**
* Provides methods for the multi file property edit action.
* <p>
*
* The following files use this class:
* <ul>
* <li>/commons/property_multifile.jsp
* </ul>
* <p>
*
* @since 7.5.1
*/
public class CmsDialogMultiPropertyEdit extends CmsDialog {
/** Value for the action: comment images. */
public static final int ACTION_MULTIFILEPROPERTYEDIT = 100;
/** The dialog type. */
public static final String DIALOG_TYPE = "multifilepropertyedit";
/** The input field prefix for description property fields. */
public static final String PREFIX_DESCRIPTION = "desc_";
/** The log object for this class. */
private static final Log LOG = CmsLog.getLog(CmsDialogMultiPropertyEdit.class);
/**
* Public constructor with JSP action element.
* <p>
*
* @param jsp an initialized JSP action element
*/
public CmsDialogMultiPropertyEdit(final CmsJspActionElement jsp) {
super(jsp);
}
/**
* Public constructor with JSP variables.
* <p>
*
* @param context the JSP page context
* @param req the JSP request
* @param res the JSP response
*/
public CmsDialogMultiPropertyEdit(
final PageContext context,
final HttpServletRequest req,
final HttpServletResponse res) {
this(new CmsJspActionElement(context, req, res));
}
/**
* Performs the comment files action, will be called by the JSP page.
* <p>
*
* @throws JspException if problems including sub-elements occur
*/
public void actionCommentImages() throws JspException {
// save initialized instance of this class in request attribute for included sub-elements
getJsp().getRequest().setAttribute(SESSION_WORKPLACE_CLASS, this);
try {
performDialogOperation();
// if no exception is caused comment operation was successful
actionCloseDialog();
} catch (Throwable e) {
// error during rename images, show error dialog
includeErrorpage(this, e);
}
}
/**
* Returns the HTML for the dialog input form to comment the images.
* <p>
*
* @return the HTML for the dialog input form to comment the images
*/
@SuppressWarnings("unchecked")
public String buildDialogForm() {
StringBuffer result = new StringBuffer(16384);
List<CmsResource> resources = getResources();
//Compute the height:
int amountOfInputFields = 4 * resources.size();
int height = amountOfInputFields * 25;
// add padding for each resource grouping:
height += resources.size() * 30;
// add padding for whole dialog box:
height += 80;
// limit maximum height:
height = Math.min(height, 600);
Iterator<CmsResource> i = resources.iterator();
result.append("<div style=\"height: ").append(height).append("px; padding: 4px; overflow: auto;\">");
CmsResource res;
while (i.hasNext()) {
res = i.next();
I_CmsResourceType type = OpenCms.getResourceManager().getResourceType(res);
// read the default properties for the given file type:
CmsExplorerTypeSettings settings = getSettingsForType(type.getTypeName());
List<String> editProperties = settings.getProperties();
if (editProperties.size() > 0) {
String iconPath = getSkinUri() + CmsWorkplace.RES_PATH_FILETYPES + settings.getIcon();
String imageName = res.getName();
String propertySuffix = "" + imageName.hashCode();
result.append(dialogBlockStart("<img src=\"" + iconPath + "\"/> " + imageName));
result.append("<table border=\"0\">\n");
Iterator<String> itProperties = editProperties.iterator();
String property;
while (itProperties.hasNext()) {
property = itProperties.next();
result.append("<tr>\n");
result.append("<td> </td>\n");
// build title property input row
String title = "";
try {
title = getCms().readPropertyObject(res, property, false).getValue();
} catch (CmsException e) {
// log, should never happen
if (LOG.isErrorEnabled()) {
LOG.error(e.getLocalizedMessage(getLocale()));
}
}
result.append("<td style=\"white-space: nowrap;\" unselectable=\"on\" width=\"15%\">");
result.append(property).append(": ");
result.append("</td>\n");
result.append("<td class=\"maxwidth\">");
result.append("<input type=\"text\" class=\"maxwidth\" name=\"");
result.append(property);
result.append(propertySuffix);
result.append("\" value=\"");
if (CmsStringUtil.isNotEmpty(title)) {
result.append(CmsEncoder.escapeXml(title));
}
result.append("\"");
result.append(">");
result.append("</td>\n</tr>\n");
}
result.append("</table>\n");
result.append(dialogBlockEnd());
}
if (i.hasNext()) {
// append spacer if another entry follows
result.append(dialogSpacer());
}
}
result.append("</div>");
return result.toString();
}
/**
* Returns the image resources of the gallery folder which are edited in the dialog form.
* <p>
*
* @return the images of the gallery folder which are edited in the dialog form
*/
@SuppressWarnings("unchecked")
protected List<CmsResource> getResources() {
List<CmsResource> result = Collections.emptyList();
// get all image resources of the folder
CmsResourceFilter filter = CmsResourceFilter.DEFAULT;
try {
CmsObject cms = getCms();
result = cms.readResources(getParamResource(), filter, false);
} catch (CmsException e) {
// log, should never happen
if (LOG.isErrorEnabled()) {
LOG.error(e.getLocalizedMessage(getLocale()));
}
}
return result;
}
/**
* @see org.opencms.workplace.CmsWorkplace#initWorkplaceRequestValues(org.opencms.workplace.CmsWorkplaceSettings,
* javax.servlet.http.HttpServletRequest)
*/
@Override
protected void initWorkplaceRequestValues(final CmsWorkplaceSettings settings, final HttpServletRequest request) {
// fill the parameter values in the get/set methods
fillParamValues(request);
// check the required permissions to rename the resource
if (!checkResourcePermissions(CmsPermissionSet.ACCESS_WRITE, false)) {
// no write permissions for the resource, set cancel action to close dialog
setParamAction(DIALOG_CANCEL);
}
// set the dialog type
setParamDialogtype(DIALOG_TYPE);
// set the action for the JSP switch
if (DIALOG_TYPE.equals(getParamAction())) {
setAction(ACTION_MULTIFILEPROPERTYEDIT);
} else if (DIALOG_LOCKS_CONFIRMED.equals(getParamAction())) {
setAction(ACTION_LOCKS_CONFIRMED);
} else if (DIALOG_CANCEL.equals(getParamAction())) {
setAction(ACTION_CANCEL);
} else {
setAction(ACTION_DEFAULT);
// build title for comment images dialog
Object[] args = new Object[] {getParamResource()};
setParamTitle(key(Messages.GUI_MULTIFILE_PROPERTY_TITLE_1, args));
}
}
/**
* Performs the comment images operation.
* <p>
*
* @return true, if the resources were successfully processed, otherwise false
* @throws CmsException if commenting is not successful
*/
@SuppressWarnings("unchecked")
protected boolean performDialogOperation() throws CmsException {
// lock the folder
checkLock(getParamResource());
Iterator<CmsResource> i = getResources().iterator();
// loop over all image resources to change the properties
CmsResource res;
while (i.hasNext()) {
res = i.next();
String imageName = res.getName();
String propertySuffix = "" + imageName.hashCode();
String property;
I_CmsResourceType type = OpenCms.getResourceManager().getResourceType(res);
CmsExplorerTypeSettings settings = getSettingsForType(type.getTypeName());
Iterator<String> itProperties = settings.getProperties().iterator();
while (itProperties.hasNext()) {
property = itProperties.next();
CmsProperty currProperty = getCms().readPropertyObject(res, property, false);
String newValue = getJsp().getRequest().getParameter(property + propertySuffix);
writeProperty(res, property, newValue, currProperty);
}
}
// unlock the folder
CmsObject cms = getCms();
cms.unlockResource(getParamResource());
return true;
}
/**
* Writes a property value for a resource, if the value was changed.
* <p>
*
* @param res the resource to write the property to
* @param propName the name of the property definition
* @param propValue the new value of the property
* @param currentProperty the old property object
* @throws CmsException if something goes wrong
*/
protected void writeProperty(
final CmsResource res,
final String propName,
final String propValue,
final CmsProperty currentProperty) throws CmsException {
CmsProperty prop = currentProperty;
// check if current property is not the null property
if (prop.isNullProperty()) {
// create new property object
prop = new CmsProperty();
prop.setName(propName);
}
if (CmsStringUtil.isEmptyOrWhitespaceOnly(propValue)) {
// parameter is empty, determine the value to delete
boolean writeProperty = false;
if (prop.getStructureValue() != null) {
prop.setStructureValue(CmsProperty.DELETE_VALUE);
prop.setResourceValue(null);
writeProperty = true;
} else if (prop.getResourceValue() != null) {
prop.setResourceValue(CmsProperty.DELETE_VALUE);
prop.setStructureValue(null);
writeProperty = true;
}
if (writeProperty) {
// write the updated property object
getCms().writePropertyObject(getCms().getSitePath(res), prop);
}
} else {
// parameter is not empty, check if the value has changed
if (!propValue.equals(prop.getValue())) {
if ((prop.getStructureValue() == null) && (prop.getResourceValue() == null)) {
// new property, determine setting from OpenCms workplace configuration
if (OpenCms.getWorkplaceManager().isDefaultPropertiesOnStructure()) {
prop.setStructureValue(propValue);
prop.setResourceValue(null);
} else {
prop.setResourceValue(propValue);
prop.setStructureValue(null);
}
} else if (prop.getStructureValue() != null) {
// structure value has to be updated
prop.setStructureValue(propValue);
prop.setResourceValue(null);
} else {
// resource value has to be updated
prop.setResourceValue(propValue);
prop.setStructureValue(null);
}
// write the updated property object
getCms().writePropertyObject(getCms().getSitePath(res), prop);
}
}
}
/**
* Returns the explorer type settings of the resource type, considering eventual references to another type.<p>
*
* @param resTypeName the resource type name
* @return the explorer type settings of the resource type
*/
private CmsExplorerTypeSettings getSettingsForType(String resTypeName) {
// get settings for resource type
CmsExplorerTypeSettings settings = OpenCms.getWorkplaceManager().getExplorerTypeSetting(resTypeName);
if (!settings.hasEditOptions() && CmsStringUtil.isNotEmpty(settings.getReference())) {
// refers to another resource type, get settings of referred type
settings = OpenCms.getWorkplaceManager().getExplorerTypeSetting(settings.getReference());
}
return settings;
}
}