/*
    * $Header: /cvsroot/jdbforms/dbforms/src/org/dbforms/taglib/DbDeleteButtonTag.java,v 1.27 2006/01/13 13:38:50 hkollmann Exp $
    * $Revision: 1.27 $
    * $Date: 2006/01/13 13:38:50 $
    *
    * DbForms - a Rapid Application Development Framework
    * Copyright (C) 2001 Joachim Peer <joepeer@excite.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.
   *
   * 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.dbforms.taglib;
  
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  
  import org.dbforms.config.GrantedPrivileges;
  import org.dbforms.config.ResultSetVector;
  
  import org.dbforms.util.MessageResources;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.jsp.JspException;
  
  
  
  /***
   * <p>
   * This tag renders a Delete Button
   * </p>
   *
   * @author Joachim Peer
   */
  public class DbDeleteButtonTag extends AbstractDbBaseButtonTag
     implements javax.servlet.jsp.tagext.TryCatchFinally {
     private static Log logCat   = LogFactory.getLog(DbDeleteButtonTag.class);
  
     private String associatedRadio;
     private String confirmMessage = null;
  
     /***
      * DOCUMENT ME!
      *
      * @param associatedRadio DOCUMENT ME!
      */
     public void setAssociatedRadio(String associatedRadio) {
        this.associatedRadio = associatedRadio;
     }
  
  
     /***
      * DOCUMENT ME!
      *
      * @return DOCUMENT ME!
      */
     public String getAssociatedRadio() {
        return associatedRadio;
     }
  
  
     /***
      * DOCUMENT ME!
      *
      * @param confirmMessage DOCUMENT ME!
      */
     public void setConfirmMessage(String confirmMessage) {
        this.confirmMessage = confirmMessage;
     }
  
  
     /***
      * DOCUMENT ME!
      *
      * @return DOCUMENT ME!
      */
     public String getConfirmMessage() {
        return confirmMessage;
     }
  
  
     /***
      * DOCUMENT ME!
      */
     public void doFinally() {
        confirmMessage  = null;
        associatedRadio = null;
        super.doFinally();
    }
 
 
    /***
     * DOCUMENT ME!
     *
     * @return DOCUMENT ME!
     *
     * @throws javax.servlet.jsp.JspException DOCUMENT ME!
     * @throws JspException DOCUMENT ME!
     */
    public int doStartTag() throws javax.servlet.jsp.JspException {
       super.doStartTag();
 
       /*
        * 2005-12-12
        * Philip Grunikiewicz
        * 
        * Check table priviledges, if user is not allowed to delete table - don't show button
        */
       if ((getTable() != null) && !getTable().hasUserPrivileg((HttpServletRequest)this.pageContext.getRequest(), GrantedPrivileges.PRIVILEG_DELETE)){
     	  return SKIP_BODY; 
       }
 
       if (getConfirmMessage() != null) {
          String onclick = (getOnClick() != null) ? getOnClick()
                                                  : "";
 
          if (onclick.lastIndexOf(";") != (onclick.length() - 1)) {
             onclick += ";"; // be sure javascript end with ";"
          }
 
          String message = getConfirmMessage();
 
          if (getParentForm()
                       .hasCaptionResourceSet()) {
             try {
                message = MessageResources.getMessage((HttpServletRequest) pageContext
                                                      .getRequest(),
                                                      getConfirmMessage());
             } catch (Exception e) {
                logCat.debug("confirm(" + getCaption() + ") Exception : "
                             + e.getMessage());
             }
          }
 
          setOnClick(onclick + "return confirm('" + message + "');");
       }
 
       if (getParentForm()
                    .isFooterReached()
                 && ResultSetVector.isNull(getParentForm().getResultSetVector())) {
          // 20030521 HKK: Bug fixing, thanks to Michael Slack! 
          return SKIP_BODY;
       }
 
       try {
          // first, determinate the name of the button tag
          StringBuffer tagNameBuf = new StringBuffer("ac_delete");
 
          if (associatedRadio != null) {
             tagNameBuf.append("ar");
          }
 
          tagNameBuf.append("_");
          tagNameBuf.append(getTable().getId());
 
          if (associatedRadio == null) {
             tagNameBuf.append("_");
             tagNameBuf.append(getParentForm().getPositionPath());
          }
 
          // PG - Render the name unique
          tagNameBuf.append("_");
          tagNameBuf.append(getUniqueID());
 
          String tagName = tagNameBuf.toString();
 
          // then render it and its associtated data-tags
          StringBuffer tagBuf = new StringBuffer();
 
          if (associatedRadio != null) {
             tagBuf.append(getDataTag(tagName, "arname", associatedRadio));
          }
 
          if (getFollowUp() != null) {
             tagBuf.append(getDataTag(tagName, "fu", getFollowUp()));
          }
 
          if (getFollowUpOnError() != null) {
             tagBuf.append(getDataTag(tagName, "fue", getFollowUpOnError()));
          }
 
          tagBuf.append(getButtonBegin());
          tagBuf.append(" name=\"");
          tagBuf.append(tagName);
          tagBuf.append(getButtonEnd());
 
          pageContext.getOut()
                     .write(tagBuf.toString());
       } catch (java.io.IOException ioe) {
          throw new JspException("IO Error: " + ioe.getMessage());
       }
 
       if (getChoosenFlavor() == FLAVOR_MODERN) {
          return EVAL_BODY_BUFFERED;
       } else {
          return SKIP_BODY;
       }
    }
 }