content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (https://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: https://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: https://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.editors;
  
  import org.opencms.file.CmsResourceFilter;
  import org.opencms.file.CmsVfsResourceNotFoundException;
  import org.opencms.i18n.CmsEncoder;
  import org.opencms.jsp.CmsJspActionElement;
  import org.opencms.lock.CmsLockType;
  import org.opencms.main.CmsException;
  import org.opencms.main.CmsLog;
  import org.opencms.workplace.CmsWorkplaceSettings;
  import org.opencms.xml.page.CmsXmlPageFactory;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.jsp.JspException;
  
  import org.apache.commons.logging.Log;
  
  /**
   * Creates the output for editing a CmsDefaultPage with the simple textarea editor.<p>
   *
   * The following editor uses this class:
   * <ul>
   * <li>/editors/simplehtml/editor.jsp
   * </ul>
   * <p>
   *
   * @since 6.0.0
   */
  public class CmsSimplePageEditor extends CmsDefaultPageEditor {
  
      /** Constant for the editor type, must be the same as the editors subfolder name in the VFS. */
      private static final String EDITOR_TYPE = "simplehtml";
  
      /** The log object for this class. */
      private static final Log LOG = CmsLog.getLog(CmsSimplePageEditor.class);
  
      /**
       * Public constructor.<p>
       *
       * @param jsp an initialized JSP action element
       */
      public CmsSimplePageEditor(CmsJspActionElement jsp) {
  
          super(jsp);
      }
  
      /**
       * @see org.opencms.workplace.editors.CmsEditor#getEditorResourceUri()
       */
      @Override
      public String getEditorResourceUri() {
  
          return getSkinUri() + "editors/" + EDITOR_TYPE + "/";
      }
  
      /**
       * @see org.opencms.workplace.CmsWorkplace#initWorkplaceRequestValues(org.opencms.workplace.CmsWorkplaceSettings, javax.servlet.http.HttpServletRequest)
       */
      @Override
      protected void initWorkplaceRequestValues(CmsWorkplaceSettings settings, HttpServletRequest request) {
  
          // fill the parameter values in the get/set methods
          fillParamValues(request);
  
          // set the dialog type
          setParamDialogtype(EDITOR_TYPE);
  
          // Initialize a page object from the temporary file
          if ((getParamTempfile() != null) && !"null".equals(getParamTempfile())) {
              try {
                  m_file = getCms().readFile(getParamTempfile(), CmsResourceFilter.ALL);
                  m_page = CmsXmlPageFactory.unmarshal(getCms(), m_file);
              } catch (CmsException e) {
                  if (e instanceof CmsVfsResourceNotFoundException) {
                      // the tempfile is missing, maybe someone else has deleted it
                      // try to create a new one and redo the initialization
                      try {
                          setParamTempfile(createTempFile());
                          m_file = getCms().readFile(getParamTempfile(), CmsResourceFilter.ALL);
                          m_page = CmsXmlPageFactory.unmarshal(getCms(), m_file);
                      } catch (CmsException e1) {
                          // error during initialization
                          try {
                              showErrorPage(this, e1);
                          } catch (JspException exc) {
                              // should usually never happen
                              if (LOG.isInfoEnabled()) {
                                  LOG.info(exc);
                              }
                          }
                      }
                  } else {
                      // error during initialization
                      try {
                          showErrorPage(this, e);
                      } catch (JspException exc) {
                          // should usually never happen
                          if (LOG.isInfoEnabled()) {
                              LOG.info(exc);
                          }
                      }
                  }
              }
          }
  
          // set the action for the JSP switch
          if (EDITOR_SAVE.equals(getParamAction())) {
              setAction(ACTION_SAVE);
          } else if (EDITOR_SAVEEXIT.equals(getParamAction())) {
              setAction(ACTION_SAVEEXIT);
          } else if (EDITOR_SAVEACTION.equals(getParamAction())) {
              setAction(ACTION_SAVEACTION);
              try {
                  actionDirectEdit();
              } catch (Exception e) {
                  // should usually never happen
                  if (LOG.isInfoEnabled()) {
                      LOG.info(e.getLocalizedMessage(), e);
                  }
              }
              setAction(ACTION_EXIT);
          } else if (EDITOR_EXIT.equals(getParamAction())) {
              setAction(ACTION_EXIT);
          } else if (EDITOR_CLOSEBROWSER.equals(getParamAction())) {
              // closed browser window accidentally, unlock resource and delete temporary file
              actionClear(true);
              return;
          } else if (EDITOR_DELETELOCALE.equals(getParamAction())) {
              setAction(ACTION_DELETELOCALE);
          } else if (EDITOR_CHANGE_ELEMENT.equals(getParamAction())) {
              setAction(ACTION_SHOW);
              actionChangeBodyElement();
              // prepare the content String for the editor
              prepareContent(false);
          } else if (EDITOR_CLEANUP.equals(getParamAction())) {
              setAction(ACTION_SHOW);
              actionCleanupBodyElement();
              // prepare the content String for the editor
              prepareContent(false);
          } else if (EDITOR_SHOW.equals(getParamAction())) {
              setAction(ACTION_SHOW);
              // prepare the content String for the editor
              prepareContent(false);
          } else if (EDITOR_PREVIEW.equals(getParamAction())) {
              setAction(ACTION_PREVIEW);
          } else {
              // initial call of editor, initialize page and page parameters
              setAction(ACTION_DEFAULT);
              try {
                  // lock resource if auto-lock is enabled in configuration
                  if (Boolean.valueOf(getParamDirectedit()).booleanValue()) {
                      // set a temporary lock in direct edit mode
                      checkLock(getParamResource(), CmsLockType.TEMPORARY);
                  } else {
                      // set common lock
                      checkLock(getParamResource());
                  }
                  // create the temporary file
                  setParamTempfile(createTempFile());
                  // initialize a page object from the created temporary file
                  m_file = getCms().readFile(getParamTempfile(), CmsResourceFilter.ALL);
                  m_page = CmsXmlPageFactory.unmarshal(getCms(), m_file);
              } catch (CmsException e) {
                  // error during initialization
                  try {
                      showErrorPage(this, e);
                      return;
                  } catch (JspException exc) {
                      // should usually never happen
                      if (LOG.isInfoEnabled()) {
                          LOG.info(exc);
                      }
                  }
              }
              // set the initial body language & name if not given in request parameters
              if (getParamElementlanguage() == null) {
                  initBodyElementLanguage();
              }
              if (getParamElementname() == null) {
                  initBodyElementName(null);
              }
              // initialize the editor content
              initContent();
              // prepare the content String for the editor
              prepareContent(false);
          }
      }
  
      /**
       * Manipulates the content String and removes leading and trailing white spaces.<p>
       *
       * @param save if set to true, the content parameter is not updated
       * @return the prepared content String
       */
      @Override
      protected String prepareContent(boolean save) {
  
          String content = getParamContent().trim();
          // ensure all chars in the content are valid for the selected encoding
          content = CmsEncoder.adjustHtmlEncoding(content, getFileEncoding());
          if (!save) {
              setParamContent(content);
          }
          return content;
      }
  
  }
  