/*
* 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, 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.search;
import org.opencms.db.CmsUserSettings.CmsSearchResultStyle;
import org.opencms.jsp.CmsJspActionElement;
import org.opencms.main.CmsIllegalStateException;
import org.opencms.main.OpenCms;
import org.opencms.search.CmsSearchIndex;
import org.opencms.search.CmsSearchParameters;
import org.opencms.search.fields.CmsSearchField;
import org.opencms.util.CmsStringUtil;
import org.opencms.widgets.A_CmsWidget;
import org.opencms.widgets.CmsCalendarWidget;
import org.opencms.widgets.CmsCheckboxWidget;
import org.opencms.widgets.CmsInputWidget;
import org.opencms.widgets.CmsMultiSelectWidget;
import org.opencms.widgets.CmsSelectOnChangeReloadWidget;
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 org.opencms.workplace.list.A_CmsListDialog;
import org.opencms.workplace.list.A_CmsListExplorerDialog;
import org.opencms.workplace.list.CmsListMetadata;
import org.opencms.workplace.tools.CmsToolDialog;
import java.util.ArrayList;
import java.util.HashMap;
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;
/**
* Provides a GUI for the workplace search feature.<p>
*
* @since 6.2.0
*/
public class CmsSearchDialog extends CmsWidgetDialog {
/** Localization key label infix for fields. */
public static final String LABEL_FIELD_INFIX = "field.";
/** Request parameter name for the action. */
public static final String PARAM_ACTION_VALUE_FOR_CHANGED_INDEX = "index";
/** the dialog type. */
private static final String DIALOG_TYPE = "search";
/** Defines which pages are valid for this dialog. */
private static final String[] PAGES = {"page1"};
/** the search data. */
private CmsSearchWorkplaceBean m_search;
/**
* Default constructor.<p>
*
* @param jsp an initialized JSP action element
*/
public CmsSearchDialog(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 CmsSearchDialog(PageContext context, HttpServletRequest req, HttpServletResponse res) {
this(new CmsJspActionElement(context, req, res));
}
/**
* @see org.opencms.workplace.CmsWidgetDialog#actionCommit()
*/
public void actionCommit() {
List errors = new ArrayList();
try {
Map params = new HashMap();
params.put(CmsDialog.PARAM_ACTION, A_CmsListDialog.LIST_SELECT_PAGE);
params.put(A_CmsListDialog.PARAM_PAGE, "1");
params.put(CmsToolDialog.PARAM_ROOT, "explorer");
if (getSettings().getUserSettings().getWorkplaceSearchViewStyle() == CmsSearchResultStyle.STYLE_EXPLORER) {
getSettings().setExplorerPage(1);
params.put(A_CmsListExplorerDialog.PARAM_SHOW_EXPLORER, Boolean.TRUE);
} else {
CmsListMetadata metadata = A_CmsListDialog.getMetadata(CmsSearchResultsList.class.getName());
boolean withExcerpts = (getSettings().getUserSettings().getWorkplaceSearchViewStyle() == CmsSearchResultStyle.STYLE_LIST_WITH_EXCERPTS);
if (metadata == null) {
if (!withExcerpts) {
// prevent the excerpts to be displayed by default
params.put(CmsDialog.PARAM_ACTION, A_CmsListDialog.LIST_INDEPENDENT_ACTION);
params.put(A_CmsListDialog.PARAM_LIST_ACTION, CmsSearchResultsList.LIST_DETAIL_EXCERPT);
}
} else {
// toggle excerpts
metadata.getItemDetailDefinition(CmsSearchResultsList.LIST_DETAIL_EXCERPT).setVisible(withExcerpts);
}
params.put(A_CmsListExplorerDialog.PARAM_SHOW_EXPLORER, Boolean.FALSE);
}
getToolManager().jspForwardTool(this, "/search/results", params);
} catch (Exception e) {
errors.add(e);
}
setCommitErrors(errors);
}
/**
* Returns the list of searchable fields used in the workplace search index.<p>
*
* @return the list of searchable fields used in the workplace search index
*/
public List getFields() {
CmsSearchIndex index = getIndex();
List result = new ArrayList();
Iterator i = index.getFieldConfiguration().getFields().iterator();
while (i.hasNext()) {
CmsSearchField field = (CmsSearchField)i.next();
if (field.isIndexed() && field.isDisplayed()) {
// only include indexed (ie. searchable) fields
result.add(field);
}
}
return result;
}
/**
* Creates the dialog HTML for all defined widgets of the named dialog (page).<p>
*
* This overwrites the method from the super class to create a layout variation for the widgets.<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) {
// check if the configured search index exists
CmsSearchIndex index = getIndex();
if (index == null) {
throw new CmsIllegalStateException(Messages.get().container(
Messages.ERR_INDEX_INVALID_1,
getSettings().getUserSettings().getWorkplaceSearchIndexName()));
}
StringBuffer result = new StringBuffer(1024);
// create widget table
result.append(createWidgetTableStart());
// show error header once if there were validation errors
result.append(createWidgetErrorHeader());
if (dialog.equals(PAGES[0])) {
// content
result.append(createWidgetBlockStart(key(Messages.GUI_SEARCH_QUERY_TITLE_0)));
result.append(createDialogRowsHtml(0, 3));
result.append(createWidgetBlockEnd());
// fields for limiting time ranges
// result.append(createWidgetBlockStart(key(Messages.GUI_SEARCH_TIME_RANGES_0)));
// result.append(createDialogRowsHtml(4, 7));
// result.append(createWidgetBlockEnd());
result.append(createWidgetBlockStart(key(Messages.GUI_SEARCH_FIELDS_TITLE_0)));
result.append(createDialogRowsHtml(8, 8));
result.append(createWidgetBlockEnd());
}
// close widget table
result.append(createWidgetTableEnd());
return result.toString();
}
/**
* @see org.opencms.workplace.CmsWidgetDialog#defineWidgets()
*/
protected void defineWidgets() {
initParams();
addWidget(new CmsWidgetDialogParameter(m_search, "indexName", PAGES[0], new CmsSelectOnChangeReloadWidget(
getSortNamesIndex())));
addWidget(new CmsWidgetDialogParameter(m_search, "query", PAGES[0], new CmsInputWidget()));
addWidget(new CmsWidgetDialogParameter(m_search, "sortOrder", PAGES[0], new CmsSelectWidget(getSortNamesConf())));
addWidget(new CmsWidgetDialogParameter(m_search, "restrictSearch", PAGES[0], new CmsCheckboxWidget()));
addWidget(new CmsWidgetDialogParameter(m_search, "minDateCreated", PAGES[0], new CmsCalendarWidget()));
addWidget(new CmsWidgetDialogParameter(m_search, "maxDateCreated", PAGES[0], new CmsCalendarWidget()));
addWidget(new CmsWidgetDialogParameter(m_search, "minDateLastModified", PAGES[0], new CmsCalendarWidget()));
addWidget(new CmsWidgetDialogParameter(m_search, "maxDateLastModified", PAGES[0], new CmsCalendarWidget()));
addWidget(new CmsWidgetDialogParameter(m_search, "fields", PAGES[0], new CmsMultiSelectWidget(
getFieldList(),
true)));
}
/**
* @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();
}
/**
* @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 parameters (may be changed because of the widget values)
setDialogObject(m_search);
}
/**
* Returns a list of <code>{@link CmsSelectWidgetOption}</code> objects for field list selection.<p>
*
* @return a list of <code>{@link CmsSelectWidgetOption}</code> objects
*/
private List getFieldList() {
List retVal = new ArrayList();
try {
Iterator i = getFields().iterator();
while (i.hasNext()) {
CmsSearchField field = (CmsSearchField)i.next();
if (isInitialCall()) {
// search form is in the initial state
retVal.add(new CmsSelectWidgetOption(field.getName(), true, getMacroResolver().resolveMacros(
field.getDisplayName())));
} else {
// search form is not in the initial state
retVal.add(new CmsSelectWidgetOption(field.getName(), false, getMacroResolver().resolveMacros(
field.getDisplayName())));
}
}
} catch (Exception e) {
// noop
}
return retVal;
}
/** Gets the index to use in the search.
*
* @return the index to use in the search
*/
private CmsSearchIndex getIndex() {
CmsSearchIndex index = null;
// get the configured index or the selected index
if (isInitialCall()) {
// the search form is in the initial state
// get the configured index
index = OpenCms.getSearchManager().getIndex(getSettings().getUserSettings().getWorkplaceSearchIndexName());
} else {
// the search form is not in the inital state, the submit button was used already or the
// search index was changed already
// get the selected index in the search dialog
index = OpenCms.getSearchManager().getIndex(getJsp().getRequest().getParameter("indexName.0"));
}
return index;
}
/**
* Creates the select widget configuration for the sort names.<p>
*
* @return the select widget configuration for the sort names
*/
private List getSortNamesConf() {
List retVal = new ArrayList();
try {
String[] names = CmsSearchParameters.SORT_NAMES;
for (int i = 0; i < names.length; i++) {
retVal.add(new CmsSelectWidgetOption(names[i], (i == 0), key(A_CmsWidget.LABEL_PREFIX
+ names[i].toLowerCase())));
}
} catch (Exception e) {
// noop
}
return retVal;
}
/**
* Creates the select widget configuration for the index names.<p>
*
* @return the select widget configuration for the index names
*/
private List getSortNamesIndex() {
List retVal = new ArrayList();
try {
List<String> names = OpenCms.getSearchManager().getIndexNames();
for (int i = 0; i < names.size(); i++) {
String indexName = names.get(i);
String wpIndexName = getSettings().getUserSettings().getWorkplaceSearchIndexName();
boolean isDefault = indexName.toLowerCase().equals(wpIndexName.toLowerCase());
retVal.add(new CmsSelectWidgetOption(names.get(i), isDefault, names.get(i)));
}
} catch (Exception e) {
// noop
}
return retVal;
}
/**
* Initializes the parameters.<p>
*/
private void initParams() {
Object o;
if (CmsStringUtil.isEmpty(getParamAction()) || CmsDialog.DIALOG_INITIAL.equals(getParamAction())) {
// read params from config
o = null;
} else {
// this is not the initial call, get params from session
o = getDialogObject();
}
if (!(o instanceof CmsSearchWorkplaceBean)) {
// read params from config
m_search = new CmsSearchWorkplaceBean(getSettings().getExplorerResource());
} else {
// reuse params stored in session
m_search = (CmsSearchWorkplaceBean)o;
}
}
/**
* Gets the information if the search form is in the inital state.<p>
*
* @return true, the search form is in the inital state. otherwise false
*/
private boolean isInitialCall() {
if (((getJsp().getRequest().getParameter(CmsDialog.PARAM_ACTION) != null) && (getJsp().getRequest().getParameter(
CmsDialog.PARAM_ACTION).equals(CmsSearchDialog.PARAM_ACTION_VALUE_FOR_CHANGED_INDEX)))
|| ((getJsp().getRequest().getParameter("indexName.0")) != null)) {
// the form was submitted already
// the submit button was pressed or the index was changed
return false;
} else {
// the initial call
return true;
}
}
}