org.opencms.workplace.CmsTabDialog Maven / Gradle / Ivy
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/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH & Co. KG (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 & Co. KG, 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;
import org.opencms.i18n.CmsEncoder;
import org.opencms.jsp.CmsJspActionElement;
import org.opencms.main.CmsLog;
import org.opencms.util.CmsStringUtil;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.PageContext;
import org.apache.commons.logging.Log;
/**
* Provides methods for tab styled dialogs.
*
* Extend this class in order to create a tab styled dialog and provide the methods
* getTabs() and getTabParameterOrder() in the new dialog class which should return lists
* which represent the tabs of the dialog.
*
* This class is used for the following dialogs:
*
* - User preferences (CmsPreferences.java)
*
*
*
* @since 6.0.0
*/
public abstract class CmsTabDialog extends CmsDialog {
/** Value for the action: switch the tab. */
public static final int ACTION_SWITCHTAB = 100;
/** Request parameter value for the action: switch the tab. */
public static final String DIALOG_SWITCHTAB = "switchtab";
/** Name of the request parameter for the set button pressed flag. */
public static final String PARAM_SETPRESSED = "setpressed";
/** Name of the request parameter for the current tab. */
public static final String PARAM_TAB = "tab";
/** The log object for this class. */
private static final Log LOG = CmsLog.getLog(CmsTabDialog.class);
/** Stores the currently active tab. */
private int m_activeTab = -1;
/** Determines if the "set" button was pressed. */
private String m_paramSetPressed;
/** Stores the current tab. */
private String m_paramTab;
/**
* Public constructor.
*
* @param jsp an initialized JSP action element
*/
public CmsTabDialog(CmsJspActionElement jsp) {
super(jsp);
}
/**
* Public constructor with JSP variables.
*
* @param context the JSP page context
* @param req the JSP request
* @param res the JSP response
*/
public CmsTabDialog(PageContext context, HttpServletRequest req, HttpServletResponse res) {
this(new CmsJspActionElement(context, req, res));
}
/**
* Builds the tab content area of the dialog window.
*
* @param segment the HTML segment (START / END)
* @param title the title String for the dialog window
* @param attributes additional attributes for the content <div> area of the tab dialog
* @return a tab content area start / end segment
*/
public String dialogTabContent(int segment, String title, String attributes) {
if (segment == HTML_START) {
StringBuffer result = new StringBuffer(512);
// null title is ok, we always want the title headline
result.append(dialogHead(title));
result.append("
\n");
result.append("\n");
result.append(dialogTabRow());
result.append("\n");
result.append("\n");
return result.toString();
} else {
return "\n\n";
}
}
/**
* Returns the end html for the tab content area of the dialog window.
*
* @return the end html for the tab content area of the dialog window
*/
public String dialogTabContentEnd() {
return dialogTabContent(HTML_END, null, null);
}
/**
* Returns the start html for the tab content area of the dialog window.
*
* @param title the title for the dialog
* @return the start html for the tab content area of the dialog window
*/
public String dialogTabContentStart(String title) {
return dialogTabContent(HTML_START, title, null);
}
/**
* Returns the start html for the tab content area of the dialog window.
*
* @param title the title for the dialog
* @param attributes additional attributes for the content <div> area of the tab dialog
* @return the start html for the tab content area of the dialog window
*/
public String dialogTabContentStart(String title, String attributes) {
return dialogTabContent(HTML_START, title, attributes);
}
/**
* Builds the html for the tab row of the tab dialog.
*
* @return the html for the tab row
*/
public String dialogTabRow() {
StringBuffer result = new StringBuffer(512);
StringBuffer lineRow = new StringBuffer(256);
List tabNames = getTabs();
if (tabNames.size() < 2) {
// less than 2 tabs present, do not show them and create a border line
result.append(
"\n");
result.append("\n");
result.append("\t \n");
result.append("
\n");
return result.toString();
}
Iterator i = tabNames.iterator();
int counter = 1;
int activeTab = getActiveTab();
result.append(
"\n");
result.append("\n");
while (i.hasNext()) {
// build a tab entry
String curTab = i.next();
String curTabLink = "javascript:openTab('" + counter + "');";
if (counter == activeTab) {
// create the currently active tab
int addDelta = 0;
result.append("\t");
result.append("");
result.append(curTab);
result.append(" \n");
lineRow.append("\t");
result.append("");
result.append(curTab);
result.append(" \n");
lineRow.append("\t \n");
result.append("\n");
result.append(lineRow);
result.append("\t \n");
result.append("
\n");
return result.toString();
}
/**
* Returns the number of the currently active tab depending on the request parameter.
*
* This method has to be called once in initWorkplaceRequestValues after filling the request parameters.
*
* @return the number of the currently active tab
*/
public int getActiveTab() {
if (m_activeTab < 0) {
String paramTab = getParamTab();
int tab = 1;
if (CmsStringUtil.isNotEmpty(paramTab)) {
try {
tab = Integer.parseInt(paramTab);
} catch (NumberFormatException e) {
// do nothing, the first tab is returned
if (LOG.isInfoEnabled()) {
LOG.info(e.getLocalizedMessage());
}
}
}
setParamTab("" + tab);
m_activeTab = tab;
return tab;
} else {
return m_activeTab;
}
}
/**
* Returns the localized name of the currently active tab.
*
* @return the localized name of the currently active tab or null if no tab name was found
*/
public String getActiveTabName() {
if (m_activeTab < 0) {
getActiveTab();
}
List tabNames = getTabs();
try {
return tabNames.get(m_activeTab - 1);
} catch (IndexOutOfBoundsException e) {
// should usually never happen
if (LOG.isInfoEnabled()) {
LOG.info(e.getLocalizedMessage());
}
return null;
}
}
/**
* Returns the value of the setpressed parameter.
*
* @return the value of the setpressed parameter
*/
public String getParamSetPressed() {
return m_paramSetPressed;
}
/**
* Returns the value of the tab parameter.
*
* @return the value of the tab parameter
*/
public String getParamTab() {
return m_paramTab;
}
/**
* Returns the order of the parameter prefixes for each tab.
*
* For example, all parameters stored in tab 1 have the prefix "Tab1", i.e.
* the getter and setter methods must be getParamTab1MyParameterName().
*
* To change the tab order, simply change the order in the String array
* and in the generated tab list.
*
* @return the ordered parameter prefix List
* @see org.opencms.workplace.CmsTabDialog#getTabs()
*/
public abstract List getTabParameterOrder();
/**
* Returns a list with localized Strings representing the names of the tabs.
*
* @return list with localized String for the tabs
*/
public abstract List getTabs();
/**
* Builds the start html of the page, including setting of DOCTYPE and
* inserting a header with the content-type.
*
* This overloads the default method of the parent class.
*
* @return the start html of the page
*/
@Override
public String htmlStart() {
return htmlStart(null);
}
/**
* Builds the start html of the page, including setting of DOCTYPE and
* inserting a header with the content-type.
*
* This overloads the default method of the parent class.
*
* @param helpUrl the key for the online help to include on the page
* @return the start html of the page
*/
@Override
public String htmlStart(String helpUrl) {
String stylesheet = null;
if (isPopup()) {
stylesheet = "popup.css";
}
StringBuffer result = new StringBuffer(super.pageHtmlStyle(HTML_START, null, stylesheet));
if (getSettings().isViewExplorer()) {
result.append("\n");
}
result.append("\n");
return result.toString();
}
/**
* Returns all initialized parameters of the current workplace class
* as hidden field tags that can be inserted in a form.
*
* This overwrites the method in CmsWorkplace because for each tab,
* only the hidden parameters of the non displayed tabs are added.
*
* @return all initialized parameters of the current workplace class
* as hidden field tags that can be inserted in a html form
*/
@Override
public String paramsAsHidden() {
StringBuffer result = new StringBuffer(512);
String activeTab = getTabParameterOrder().get(getActiveTab() - 1);
Map params = paramValues();
Iterator> i = params.entrySet().iterator();
while (i.hasNext()) {
Entry entry = i.next();
String param = entry.getKey();
if (!param.startsWith(activeTab)) {
// add only parameters which are not displayed in currently active tab
result.append("\n");
}
}
return result.toString();
}
/**
* Sets the value of the setpressed parameter.
*
* @param value the value to set
*/
public void setParamSetPressed(String value) {
m_paramSetPressed = value;
}
/**
* Sets the value of the tab parameter.
*
* @param value the value to set
*/
public void setParamTab(String value) {
m_paramTab = value;
}
}