/*
* 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.tools.modules;
import org.opencms.configuration.CmsConfigurationException;
import org.opencms.jsp.CmsJspActionElement;
import org.opencms.main.OpenCms;
import org.opencms.module.CmsModule;
import org.opencms.module.CmsModuleDependency;
import org.opencms.security.CmsSecurityException;
import org.opencms.util.CmsStringUtil;
import org.opencms.widgets.CmsInputWidget;
import org.opencms.widgets.CmsSelectWidget;
import org.opencms.widgets.CmsSelectWidgetOption;
import org.opencms.workplace.CmsDialog;
import org.opencms.workplace.CmsWidgetDialog;
import org.opencms.workplace.CmsWidgetDialogParameter;
import org.opencms.workplace.CmsWorkplaceSettings;
import java.text.Collator;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.PageContext;
/**
* Class to edit a module dependencies.<p>
*
* @since 6.0.0
*/
public class CmsDependenciesEdit extends CmsWidgetDialog {
/** The dialog type. */
public static final String DIALOG_TYPE = "DependenciesEdit";
/** localized messages Keys prefix. */
public static final String KEY_PREFIX = "modules";
/** Defines which pages are valid for this dialog. */
public static final String[] PAGES = {"page1"};
/** The module dependency object that is shown on this dialog. */
private CmsModuleDependency m_dependency;
/** Dependency name. */
private String m_paramDependency;
/** Modulename. */
private String m_paramModule;
/**
* Public constructor with JSP action element.<p>
*
* @param jsp an initialized JSP action element
*/
public CmsDependenciesEdit(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 CmsDependenciesEdit(PageContext context, HttpServletRequest req, HttpServletResponse res) {
this(new CmsJspActionElement(context, req, res));
}
/**
* Commits the edited module.<p>
*/
public void actionCommit() {
List errors = new ArrayList();
try {
// get the correct module
String moduleName = getParamModule();
CmsModule module = (CmsModule)OpenCms.getModuleManager().getModule(moduleName).clone();
// get the current dependencies from the module
List oldDependencies = module.getDependencies();
// now loop through the dependencies and create the new list of dependencies
List newDependencies = new ArrayList();
Iterator i = oldDependencies.iterator();
while (i.hasNext()) {
CmsModuleDependency dep = (CmsModuleDependency)i.next();
if (!dep.getName().equals(m_dependency.getName())) {
newDependencies.add(dep);
}
}
// update the dependencies
newDependencies.add(m_dependency);
module.setDependencies(newDependencies);
// update the module
OpenCms.getModuleManager().updateModule(getCms(), module);
// refresh the list
Map objects = (Map)getSettings().getListObject();
if (objects != null) {
objects.remove(CmsModulesList.class.getName());
objects.remove(CmsModulesDependenciesList.class.getName());
}
} catch (CmsConfigurationException ce) {
errors.add(ce);
} catch (CmsSecurityException se) {
errors.add(se);
}
// set the list of errors to display when saving failed
setCommitErrors(errors);
}
/**
* Builds the HTML for the dialog form.<p>
*
* @return the HTML for the dialog form
*/
public String buildDialogForm() {
StringBuffer result = new StringBuffer(1024);
try {
// create the dialog HTML
result.append(createDialogHtml(getParamPage()));
} catch (Throwable t) {
// TODO: Error handling
}
return result.toString();
}
/**
* @see org.opencms.workplace.CmsDialog#getCancelAction()
*/
public String getCancelAction() {
// set the default action
setParamPage((String)getPages().get(0));
return DIALOG_SET;
}
/**
* Gets the module dependency parameter.<p>
*
* @return the module dependency parameter
*/
public String getParamDependency() {
return m_paramDependency;
}
/**
* Gets the module parameter.<p>
*
* @return the module parameter
*/
public String getParamModule() {
return m_paramModule;
}
/**
* Sets the module dependency parameter.<p>
* @param paramDependency the module dependency parameter
*/
public void setParamDependency(String paramDependency) {
m_paramDependency = paramDependency;
}
/**
* Sets the module parameter.<p>
* @param paramModule the module parameter
*/
public void setParamModule(String paramModule) {
m_paramModule = paramModule;
}
/**
* Creates the dialog HTML for all defined widgets of the named dialog (page).<p>
*
* @param dialog the dialog (page) to get the HTML for
* @return the dialog HTML for all defined widgets of the named dialog (page)
*/
protected String createDialogHtml(String dialog) {
StringBuffer result = new StringBuffer(1024);
// create table
result.append(createWidgetTableStart());
// show error header once if there were validation errors
result.append(createWidgetErrorHeader());
if (dialog.equals(PAGES[0])) {
result.append(dialogBlockStart(key("label.dependencyinformation")));
result.append(createWidgetTableStart());
result.append(createDialogRowsHtml(0, 1));
result.append(createWidgetTableEnd());
result.append(dialogBlockEnd());
}
// close table
result.append(createWidgetTableEnd());
return result.toString();
}
/**
* Creates the list of widgets for this dialog.<p>
*/
protected void defineWidgets() {
initModule();
setKeyPrefix(KEY_PREFIX);
addWidget(new CmsWidgetDialogParameter(m_dependency, "name", PAGES[0], new CmsSelectWidget(getModules())));
addWidget(new CmsWidgetDialogParameter(m_dependency, "version.version", PAGES[0], new CmsInputWidget()));
}
/**
* @see org.opencms.workplace.CmsWidgetDialog#getPageArray()
*/
protected String[] getPageArray() {
return PAGES;
}
/**
* @see org.opencms.workplace.CmsWorkplace#initMessages()
*/
protected void initMessages() {
// add specific dialog resource bundle
addMessages(Messages.get().getBundleName());
// add default resource bundles
super.initMessages();
}
/**
* Initializes the module to work with depending on the dialog state and request parameters.<p>
*/
protected void initModule() {
Object o;
CmsModule module;
// first get the correct module
if (CmsStringUtil.isNotEmpty(m_paramModule)) {
module = (CmsModule)OpenCms.getModuleManager().getModule(m_paramModule).clone();
} else {
// create a new module
module = new CmsModule();
}
// now try to get the dependency
if (CmsStringUtil.isEmpty(getParamAction()) || CmsDialog.DIALOG_INITIAL.equals(getParamAction())) {
o = null;
} else {
// this is not the initial call, get module dependency from session
o = getDialogObject();
}
if (!(o instanceof CmsModuleDependency)) {
if (m_paramDependency == null) {
// there was no parameter given, so create a new, empty dependency
m_dependency = new CmsModuleDependency();
} else {
// create a new module dependency by reading it from the module
List dependencies = module.getDependencies();
m_dependency = new CmsModuleDependency();
if ((dependencies != null) && (dependencies.size() > 0)) {
Iterator i = dependencies.iterator();
while (i.hasNext()) {
CmsModuleDependency dependency = (CmsModuleDependency)i.next();
if (dependency.getName().equals(m_paramDependency)) {
m_dependency = dependency;
}
}
}
}
} else {
// reuse module dependency stored in session
m_dependency = (CmsModuleDependency)o;
}
}
/**
* @see org.opencms.workplace.CmsWorkplace#initWorkplaceRequestValues(org.opencms.workplace.CmsWorkplaceSettings, javax.servlet.http.HttpServletRequest)
*/
protected void initWorkplaceRequestValues(CmsWorkplaceSettings settings, HttpServletRequest request) {
// set the dialog type
setParamDialogtype(DIALOG_TYPE);
super.initWorkplaceRequestValues(settings, request);
// save the current state of the module (may be changed because of the widget values)
setDialogObject(m_dependency);
}
/**
* @see org.opencms.workplace.CmsWidgetDialog#validateParamaters()
*/
protected void validateParamaters() throws Exception {
String moduleName = getParamModule();
// check module
CmsModule module = OpenCms.getModuleManager().getModule(moduleName);
if (module == null) {
throw new Exception();
}
// check dependency
if (!isNewDependency()) {
Iterator it = module.getDependencies().iterator();
while (it.hasNext()) {
CmsModuleDependency dep = (CmsModuleDependency)it.next();
if (dep.getName().equals(getParamDependency())) {
// dependency found
return;
}
}
throw new Exception();
}
}
/**
* Get the list of all modules available.<p>
*
* @return list of module names
*/
private List getModules() {
List retVal = new ArrayList();
// get all modules
Iterator i = OpenCms.getModuleManager().getModuleNames().iterator();
// add them to the list of modules
while (i.hasNext()) {
String moduleName = (String)i.next();
if (moduleName.equals(getParamDependency())) {
// check for the preselection
retVal.add(new CmsSelectWidgetOption(moduleName, true));
} else {
retVal.add(new CmsSelectWidgetOption(moduleName, false));
}
}
Collections.sort(retVal, new Comparator() {
/** Collator used / wrapped */
private Collator m_collator = Collator.getInstance(getLocale());
/**
* @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
*/
public int compare(Object arg0, Object arg1) {
CmsSelectWidgetOption o1 = (CmsSelectWidgetOption)arg0;
CmsSelectWidgetOption o2 = (CmsSelectWidgetOption)arg1;
return m_collator.compare(o1.getOption(), o2.getOption());
}
});
return retVal;
}
/**
* Checks if the new dependency dialog has to be displayed.<p>
*
* @return <code>true</code> if the new dependency dialog has to be displayed
*/
private boolean isNewDependency() {
return getCurrentToolPath().equals("/modules/edit/dependencies/new");
}
}