ColEdit.java

/**
 * Copyright (C) 2008-2010, Squale Project - http://www.squale.org
 *
 * This file is part of Squale.
 *
 * Squale 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 3 of the
 * License, or any later version.
 *
 * Squale 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 General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Squale.  If not, see <http://www.gnu.org/licenses/>.
 */
/*
 * Cr�� le 4 mars 05
 *
 * Pour changer le mod�le de ce fichier g�n�r�, allez � :
 * Fen�tre>Pr�f�rences>Java>G�n�ration de code>Code et commentaires
 */
package org.squale.welcom.taglib.table;

import java.lang.reflect.InvocationTargetException;

import javax.servlet.jsp.JspException;

import org.apache.commons.beanutils.BeanUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.validator.GenericValidator;
import org.squale.welcom.outils.Util;
import org.squale.welcom.outils.WelcomConfigurator;
import org.squale.welcom.struts.bean.WIEditable;


/**
 * @author M327837 Pour changer le mod�le de ce commentaire de type g�n�r�, allez � :
 *         Fen�tre>Pr�f�rences>Java>G�n�ration de code>Code et commentaires
 */
public class ColEdit
    extends ColDisabled
    implements ICol
{
    /** logger */
    private static Log log = LogFactory.getLog( ColEdit.class );

    /** ordre ascendant */
    protected String titleEdit = "";

    /** ordre descendant */
    protected String titleCancel = "";

    /** From (pour revenir sur la table ) */
    protected String from;

    /** Base URL */
    protected String baseURL = "";

    /** RequestURI */
    protected String requestURI = "";

    /**
     * Constructeur
     */
    public ColEdit()
    {

    }

    /**
     * @see org.squale.welcom.taglib.table.ICol#getCurrentValue(int, java.lang.Object, int, java.lang.String,
     *      java.lang.String)
     */
    public String getSpecificContent( final int position, final Object bean, final int idIndex, final String style,
                                      final String styleSelect, final int pageLength )
        throws JspException
    {

        final StringBuffer s = new StringBuffer();
        final String formName = getCols().getTable().getFormName();

        if ( GenericValidator.isBlankOrNull( formName ) )
        {
            throw new JspException( "ColEditTag  must be used inside a form tag." );
        }

        if ( bean instanceof WIEditable )
        {
            if ( ( !getProperty().equals( "" ) ) && ( !getProperty().equals( "edited" ) ) )
            {
                return ( "Attention, le bean '" + bean.getClass()
                    + "' impl�mente d�j� WIEditable, on ne tient donc pas compte de la property '" + getProperty() + "'" );
            }
            setProperty( "edited" );
        }
        else if ( GenericValidator.isBlankOrNull( getProperty() ) )
        {
            return ( "le bean '" + bean.getClass() + "' doit impl�menter WIEditable, ou l'attribut property du tag <ColEdit> doit �tre renseigner" );

        }

        String result = "";
        try
        {
            result = BeanUtils.getProperty( bean, getProperty() );
        }
        catch ( final IllegalAccessException e )
        {
            log.error( e, e );
        }
        catch ( final InvocationTargetException e )
        {
            log.error( e, e );
        }
        catch ( final NoSuchMethodException e )
        {
            log.error( e, e );
        }

        s.append( "<a href=\"" );
        if ( Util.isTrue( result ) )
        {
            s.append( "javascript:tableForward('" + formName + "','" + getHref( "false", idIndex, pageLength )
                + "')\">" );
            s.append( "<img src=\"" );
            s.append( WelcomConfigurator.getMessageWithCfgChartePrefix( ".htmltable.images.coledit.cancel" ) );
            s.append( "\"" );
            if ( !GenericValidator.isBlankOrNull( titleCancel ) )
            {
                s.append( " title=\"" );
                s.append( titleCancel );
                s.append( "\"" );
            }
        }
        else
        {
            s.append( "javascript:tableForward('" + formName + "','" + getHref( "true", idIndex, pageLength ) + "')\">" );
            s.append( "<img src=\"" );
            s.append( WelcomConfigurator.getMessageWithCfgChartePrefix( ".htmltable.images.coledit.edit" ) );
            s.append( "\"" );
            if ( !GenericValidator.isBlankOrNull( titleEdit ) )
            {
                s.append( " title=\"" );
                s.append( titleEdit );
                s.append( "\"" );
            }
        }
        s.append( " border=0>" );
        s.append( "</a>" );
        return s.toString();
    }

    /**
     * @param position la position de la colonne
     * @param edited en edition
     * @return href en rajoutant le sens
     */
    private String getHref( final String edited, final int position, final int pageLength )
    {
        final StringBuffer s = new StringBuffer();
        s.append( baseURL );
        s.append( "/" );
        s.append( Util.SERVEPATH );
        s.append( "?requestURI=" );
        s.append( Util.encode( getRequestURI() ) );
        s.append( "&from=" );

        if ( from == null )
        {
            s.append( ( position / pageLength ) * pageLength );
        }
        else
        {
            s.append( getFrom() );
        }

        s.append( "&" );
        s.append( getCols().getPropertyFull( position ) );
        s.append( "." );
        s.append( getProperty() );
        s.append( "=" );
        s.append( edited );
        s.append( "&" );
        s.append( getCols().getPropertyFull( position ) );
        s.append( ".changed=true" );
        return s.toString();
    }

    /**
     * @return accesseur
     */
    public String getTitleCancel()
    {
        return titleCancel;
    }

    /**
     * @return accesseur
     */
    public String getTitleEdit()
    {
        return titleEdit;
    }

    /**
     * @param string accesseur
     */
    public void setTitleCancel( final String string )
    {
        titleCancel = string;
    }

    /**
     * @param string accesseur
     */
    public void setTitleEdit( final String string )
    {
        titleEdit = string;
    }

    /**
     * @return accesseur
     */
    public String getFrom()
    {
        if ( from == null )
        {
            return "0";
        }
        return from;
    }

    /**
     * @param string accesseur
     */
    public void setFrom( final String string )
    {
        from = string;
    }

    /**
     * @return accesseur
     */
    public String getBaseURL()
    {
        return baseURL;
    }

    /**
     * @param string accesseur
     */
    public void setBaseURL( final String string )
    {
        baseURL = string;
    }

    /**
     * @return accesseur
     */
    public String getRequestURI()
    {
        return requestURI;
    }

    /**
     * @param string accesseur
     */
    public void setRequestURI( final String string )
    {
        requestURI = string;
    }

}