com.draagon.meta.web.view.html.TextAreaView Maven / Gradle / Ivy

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/*
 * Copyright 2003 Draagon Software LLC. All Rights Reserved.
 *
 * This software is the proprietary information of Draagon Software LLC.
 * Use is subject to license terms.
 */
package com.draagon.meta.web.view.html;

import com.draagon.meta.*;
import com.draagon.meta.web.view.*;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import java.io.IOException;
import java.util.Map;

import javax.servlet.jsp.*;

/**
 * Renders a textarea view.
 *
 * The possible MetaView attributes are the following:
 * 

 *   cols - (Optional) The number of columns for the textarea
 *   rows - (Optional) The number of rows for the textarea
 * 

 */
public class TextAreaView extends TextView
{
  private static Log log = LogFactory.getLog( TextAreaView.class );

  public TextAreaView()
  {
  }

  public void doView( PageContext page, Object o, String label, int mode, Map params )
      throws MetaException
  {
    MetaField mf = getMetaField( o );

    try
    {
      String val = mf.getString( o );
      String text = (val==null)?null:val.toString();

      int cols = ViewHelper.getIntAttribute( this, "cols", 40 );
      int rows = ViewHelper.getIntAttribute( this, "rows", 2 );

      // Render the text area
      doTextAreaView( page, label, mode, cols, rows, text, params );
    }
    catch( IOException e )
    {
      log.error( "Error displaying TextAreaView for field [" + mf + "] with mode [" + modeToString( mode ) + "]", e );
      throw new WebViewException( "Cannot render TextAreaView for field [" + mf + "] in mode [" + modeToString( mode ) + "]: " + e.getMessage(), e );
    }
  }

  public static void doTextAreaView( PageContext page, String label, int mode, int cols, int rows, String text, Map params )
    throws IOException
  {
    if ( mode == READ )
      HtmlViewHelper.drawText( page, HtmlViewHelper.textToHtml( text ), params );

    else if ( mode == EDIT )
      HtmlViewHelper.drawTextArea( page, label, text, cols, rows, params );

    else if ( mode == HIDE )
      HtmlViewHelper.drawHidden( page, params );
  }
}