cmstouch.java

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/*
 * File   : $Source: /usr/local/cvs/opencms/src/org/opencms/workplace/commons/CmsTouch.java,v $
 * Date   : $Date: 2007-09-10 12:59:45 $
 * Version: $Revision: 1.21 $
 *
 * This library is part of OpenCms -
 * the Open Source Content Management System
 *
 * Copyright (c) 2002 - 2007 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.CmsFile;
import org.opencms.file.CmsResource;
import org.opencms.file.CmsResourceFilter;
import org.opencms.jsp.CmsJspActionElement;
import org.opencms.main.CmsException;
import org.opencms.security.CmsPermissionSet;
import org.opencms.util.CmsStringUtil;
import org.opencms.widgets.CmsCalendarWidget;
import org.opencms.workplace.CmsMultiDialog;
import org.opencms.workplace.CmsWorkplaceSettings;

import java.text.ParseException;
import java.util.Iterator;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.PageContext;

/**
 * Provides methods for the touch resource(s) dialog.<p> 
 * 
 * The following files use this class:
 * <ul>
 * <li>/commons/touch.jsp
 * </ul>
 * <p>
 *
 * @author  Andreas Zahner 
 * 
 * @version $Revision: 1.21 $ 
 * 
 * @since 6.0.0 
 */
public class CmsTouch extends CmsMultiDialog {

    /** Value for the action: touch. */
    public static final int ACTION_TOUCH = 100;

    /** Default value for date last modified, the release and expire date. */
    public static final String DEFAULT_DATE_STRING = "-";

    /** The dialog type. */
    public static final String DIALOG_TYPE = "touch";

    /** Request parameter name for the content flag. */
    public static final String PARAM_CONTENT = "content";

    /** Request parameter name for timestamp. */
    public static final String PARAM_NEWTIMESTAMP = "newtimestamp";

    /** Request parameter name for the recursive flag. */
    public static final String PARAM_RECURSIVE = "recursive";

    /** Content parameter. */
    private String m_paramContent;

    /** Timestamp parameter. */
    private String m_paramNewtimestamp;

    /** Recursive parameter. */
    private String m_paramRecursive;

    /**
     * Public constructor.<p>
     * 
     * @param jsp an initialized JSP action element
     */
    public CmsTouch(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 CmsTouch(PageContext context, HttpServletRequest req, HttpServletResponse res) {

        this(new CmsJspActionElement(context, req, res));
    }

    /**
     * Performs the resource touching, will be called by the JSP page.<p>
     * 
     * @throws JspException if problems including sub-elements occur
     */
    public void actionTouch() throws JspException {

        // save initialized instance of this class in request attribute for included sub-elements
        getJsp().getRequest().setAttribute(SESSION_WORKPLACE_CLASS, this);
        try {
            if (performDialogOperation()) {
                // if no exception is caused and "true" is returned the touch operation was successful          
                actionCloseDialog();
            } else {
                // "false" returned, display "please wait" screen
                getJsp().include(FILE_DIALOG_SCREEN_WAIT);
            }
        } catch (Throwable e) {
            includeErrorpage(this, e);
        }
    }

    /**
     * Creates the "rewrite content" checkbox.<p>
     *  
     * @return the String with the checkbox input field
     */
    public String buildCheckContent() {

        StringBuffer retValue = new StringBuffer(256);

        retValue.append("<tr>\n\t<td colspan=\"3\" style=\"white-space: nowrap;\" unselectable=\"on\">");
        retValue.append("<input type=\"checkbox\" name=\"");
        retValue.append(PARAM_CONTENT);
        retValue.append("\" value=\"true\">&nbsp;");
        retValue.append(key(Messages.GUI_TOUCH_MODIFY_CONTENT_0));
        retValue.append("</td>\n</tr>\n");
        return retValue.toString();
    }

    /**
     * Creates the "recursive" checkbox for touching subresources of folders.<p>
     *  
     * @return the String with the checkbox input field or an empty String for folders.
     */
    public String buildCheckRecursive() {

        StringBuffer retValue = new StringBuffer(256);

        // show the checkbox only for folders
        if (isOperationOnFolder()) {
            retValue.append("<tr>\n\t<td colspan=\"3\" style=\"white-space: nowrap;\" unselectable=\"on\">");
            retValue.append("<input type=\"checkbox\" name=\"");
            retValue.append(PARAM_RECURSIVE);
            retValue.append("\" value=\"true\">&nbsp;");
            retValue.append(key(Messages.GUI_TOUCH_MODIFY_SUBRESOURCES_0));
            retValue.append("</td>\n</tr>\n");
        }
        return retValue.toString();
    }

    /**
     * Creates the HTML JavaScript and stylesheet includes required by the calendar for the head of the page.<p>
     * 
     * @return the necessary HTML code for the js and stylesheet includes
     * 
     * @deprecated use {@link CmsCalendarWidget#calendarIncludes(java.util.Locale)}, this is just here so that old JSP still work
     */
    public String calendarIncludes() {

        return CmsCalendarWidget.calendarIncludes(getLocale());
    }

    /**
     * Generates the HTML to initialize the JavaScript calendar element on the end of a page.<p>
     * 
     * @param inputFieldId the ID of the input field where the date is pasted to
     * @param triggerButtonId the ID of the button which triggers the calendar
     * @param align initial position of the calendar popup element
     * @param singleClick if true, a single click selects a date and closes the calendar, otherwise calendar is closed by doubleclick
     * @param weekNumbers show the week numbers in the calendar or not
     * @param mondayFirst show monday as first day of week
     * @param dateStatusFunc name of the function which determines if/how a date should be disabled
     * @param showTime true if the time selector should be shown, otherwise false
     * @return the HTML code to initialize a calendar poup element
     * 
     * @deprecated use {@link CmsCalendarWidget#calendarInit(org.opencms.i18n.CmsMessages, String, String, String, boolean, boolean, boolean, String, boolean)}, this is just here so that old JSP still work
     */
    public String calendarInit(
        String inputFieldId,
        String triggerButtonId,
        String align,
        boolean singleClick,
        boolean weekNumbers,
        boolean mondayFirst,
        String dateStatusFunc,
        boolean showTime) {

        return CmsCalendarWidget.calendarInit(
            getMessages(),
            inputFieldId,
            triggerButtonId,
            align,
            singleClick,
            weekNumbers,
            mondayFirst,
            dateStatusFunc,
            showTime);
    }