cmsadminpicgalleries.java

内容管理

/*
* File   : $Source: /usr/local/cvs/opencms/src/com/opencms/workplace/CmsAdminPicGalleries.java,v $
* Date   : $Date: 2004/01/07 10:57:09 $
* Version: $Revision: 1.31.2.1 $
*
* This library is part of OpenCms -
* the Open Source Content Mananagement System
*
* Copyright (C) 2001  The OpenCms Group
*
* 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 OpenCms, please see the
* OpenCms 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 com.opencms.workplace;

import com.opencms.core.A_OpenCms;
import com.opencms.core.CmsException;
import com.opencms.core.I_CmsSession;
import com.opencms.file.CmsFile;
import com.opencms.file.CmsFolder;
import com.opencms.file.CmsImportFolder;
import com.opencms.file.CmsObject;
import com.opencms.util.Utils;

import java.util.Enumeration;
import java.util.Hashtable;

/**
 * Template Class for administration of picture galleries
 * <p>
 *
 * @author Mario Stanke
 * @version $Revision: 1.31.2.1 $ $Date: 2004/01/07 10:57:09 $
 * @see com.opencms.workplace.CmsXmlWpTemplateFile
 */

public class CmsAdminPicGalleries extends CmsAdminGallery {
    
    /**
     * This method must be implemented by all galleries. 
     * It must return the path to the gallery root folder.<p>
     * 
     * The root folder names are usually defined as constants in 
     * the I_CmsWpConstants interface.
     * 
     * @see I_CmsWpConstants
     */ 
    public String getGalleryPath() {
        return C_VFS_GALLERY_PICS;
    }
    
    /**
     * This method must return the path to the gallery icon.<p>
     * 
     * The gallery image is displayed in the list of available galleries.
     * 
     * @param cms The current CmsObject
     * @return The path to the gallery icon
     * @throws CmsException In case of problem accessing system resources
     */ 
    public String getGalleryIconPath(CmsObject cms) throws CmsException {
        CmsXmlWpConfigFile config = this.getConfigFile(cms);        
        return config.getWpPicturePath() + "ic_file_picgallery.gif";
    }     
    
    /**
     * Default XMLTemplate method called to build the output,
     *
     * @param cms CmsObject for accessing system resources
     * @param templateFile Filename of the template file
     * @param elementName Element name of this template in our parent template
     * @param parameters Hashtable with all template class parameters
     * @param templateSelector template section that should be processed
     * 
     * @return A HTML String converted to bytes that contains the generated output
     */
    public byte[] getContent(CmsObject cms, String templateFile, String elementName,
            Hashtable parameters, String templateSelector) throws CmsException {
                
        I_CmsSession session = cms.getRequestContext().getSession(true);
        CmsXmlWpTemplateFile xmlTemplateDocument = (CmsXmlWpTemplateFile)getOwnTemplateFile(cms,
                templateFile, elementName, parameters, templateSelector);
                
        // Get the URL to which we need to return when we're done
        String lasturl = getLastUrl(cms, parameters);    
        
        // Check if this is the inital call to the page
        getInitial(session, parameters)                  ;
                
        // Get the folder for the gallery
        String foldername = getGalleryPath(cms, session, parameters);        
        CmsFolder thefolder = cms.readFolder(foldername);  
        
        // get the file size upload limitation value (value is in kB)
        int maxFileSize = ((Integer)A_OpenCms.getRuntimeProperty("workplace.file.maxuploadsize")).intValue();                          
        // check if current user belongs to Admin group, if so no file upload limit
        if ((maxFileSize <= 0) || cms.userInGroup(cms.getRequestContext().currentUser().getName(), C_GROUP_ADMIN)) {
            maxFileSize = -1;
            xmlTemplateDocument.setData("limitation", "");
        } 
        else {
            xmlTemplateDocument.setData("maxfilesize", "" + maxFileSize);
            try {
                String limitation = xmlTemplateDocument.getProcessedDataValue("filesize_limited");
                xmlTemplateDocument.setData("limitation", limitation);
            } catch (CmsException e) {
                xmlTemplateDocument.setData("limitation", "");
            }
        }
               
        // Check if we must redirect to head_1
        if(foldername.equals(C_VFS_GALLERY_PICS) && templateFile.endsWith("administration_head_picgalleries2")) {
            // we are in the wrong head - use the first one
            xmlTemplateDocument = (CmsXmlWpTemplateFile)getOwnTemplateFile(cms, "/system/workplace/administration/picgallery/administration_head_picgalleries1", elementName, parameters, templateSelector);
        }        

        // Check if we must redirect to head_2
        try {
            if(foldername.startsWith(C_VFS_GALLERY_PICS) && (thefolder.getParent().equals(C_VFS_GALLERY_PICS)) && templateFile.endsWith("administration_head_picgalleries1")) {
                // we are in the wrong head - use the second one
                xmlTemplateDocument = (CmsXmlWpTemplateFile)getOwnTemplateFile(cms, "/system/workplace/administration/htmlgallery/administration_head_picgalleries2", elementName, parameters, templateSelector);
            }
        }
        catch(Exception e) {}                        
        
        // Now read further parameters        
        String action = (String)parameters.get("action");
        String unzip = (String) parameters.get("unzip");                          
        String newname = (String)parameters.get(C_PARA_NAME);
        String title = (String)parameters.get("TITLE"); // both for gallery and upload file
        String step = (String)parameters.get("step");
        String imagedescription = (String)parameters.get("DESCRIPTION");
        
        if(foldername == null) {
            foldername = "";
        }
        if("new".equals(action)) {
            String galleryname = (String)parameters.get("NAME");
            String group = (String)parameters.get("GROUP");
            if(galleryname != null && group != null && galleryname != "" && group != "") {
                boolean read = parameters.get("READ") != null;
                boolean write = parameters.get("WRITE") != null;
                try {

                    // create the folder

                    // get the path from the workplace.ini
                    String superfolder = getConfigFile(cms).getPicGalleryPath();
                    CmsFolder folder = (CmsFolder)cms.createResource(superfolder, galleryname, C_TYPE_FOLDER_NAME);
                    if(title != null) {
                        cms.writeProperty(folder.getAbsolutePath(), C_PROPERTY_TITLE, title);
                    }
                    cms.chgrp(folder.getAbsolutePath(), group);
                    int flag = folder.getAccessFlags();

                    // set the access rights for 'other' users
                    if(read != ((flag & C_ACCESS_PUBLIC_READ) != 0)) {
                        flag ^= C_ACCESS_PUBLIC_READ;