Package net.sf.jasperreports.engine.export

Source Code of net.sf.jasperreports.engine.export.DefaultHtmlPrintElement

/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2009 Jaspersoft Corporation. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports 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
* (at your option) any later version.
*
* JasperReports 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 JasperReports. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.jasperreports.engine.export;

import java.awt.Dimension;

import javax.swing.JEditorPane;

import net.sf.jasperreports.components.html.HtmlComponent;
import net.sf.jasperreports.engine.JRComponentElement;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRGenericPrintElement;
import net.sf.jasperreports.engine.JRPrintImage;
import net.sf.jasperreports.engine.base.JRBasePrintImage;
import net.sf.jasperreports.engine.type.HorizontalAlignEnum;
import net.sf.jasperreports.engine.type.ScaleImageEnum;
import net.sf.jasperreports.engine.type.VerticalAlignEnum;
import net.sf.jasperreports.engine.util.HtmlPrintElement;
import net.sf.jasperreports.engine.util.JRExpressionUtil;
import net.sf.jasperreports.renderers.AwtComponentRenderer;


/**
* @author Narcis Marcu (narcism@users.sourceforge.net)
* @version $Id$
*/
public class DefaultHtmlPrintElement implements HtmlPrintElement {
 
  public DefaultHtmlPrintElement(){
  }
 
  public JRPrintImage createImageFromElement(JRGenericPrintElement element) {
    String htmlContent = (String) element.getParameterValue(HtmlPrintElement.PARAMETER_HTML_CONTENT);
    String scaleType = (String) element.getParameterValue(HtmlPrintElement.PARAMETER_SCALE_TYPE);
    String horizontalAlignment = (String) element.getParameterValue(HtmlPrintElement.PARAMETER_HORIZONTAL_ALIGN);
    String verticalAlignment = (String) element.getParameterValue(HtmlPrintElement.PARAMETER_VERTICAL_ALIGN);
   
    JEditorPane editorPane = new JEditorPane();
    editorPane.setContentType("text/html");
   
    editorPane.setText(htmlContent);
    editorPane.setBorder(null);
    editorPane.setSize(editorPane.getPreferredSize());

    JRBasePrintImage printImage = new JRBasePrintImage(element.getDefaultStyleProvider());
        printImage.setX(element.getX());
        printImage.setY(element.getY());
        printImage.setWidth(element.getWidth());
        printImage.setHeight(element.getHeight());
        printImage.setScaleImage(ScaleImageEnum.getByName(scaleType));
        printImage.setHorizontalAlignment(HorizontalAlignEnum.getByName(horizontalAlignment));
        printImage.setVerticalAlignment(VerticalAlignEnum.getByName(verticalAlignment));
        printImage.setStyle(element.getStyle());
        printImage.setMode(element.getModeValue());
        printImage.setBackcolor(element.getBackcolor());
        printImage.setForecolor(element.getForecolor());
        printImage.setRenderer(new AwtComponentRenderer(editorPane));

        return printImage;
  }

  public JRPrintImage createImageFromComponentElement(JRComponentElement componentElement) throws JRException {
    HtmlComponent html = (HtmlComponent) componentElement.getComponent();
   
    JEditorPane editorPane = new JEditorPane();
    editorPane.setContentType("text/html");
   
    String htmlContent = "";
   
    if (html.getHtmlContentExpression() != null) {
      htmlContent = JRExpressionUtil.getExpressionText(html.getHtmlContentExpression());
    }
   
    editorPane.setText(htmlContent);
    editorPane.setBorder(null);
    editorPane.setSize(editorPane.getPreferredSize());
   
    JRBasePrintImage printImage = new JRBasePrintImage(componentElement.getDefaultStyleProvider());
    printImage.setX(componentElement.getX());
        printImage.setY(componentElement.getY());
        printImage.setWidth(componentElement.getWidth());
        printImage.setHeight(componentElement.getHeight());
        printImage.setScaleImage(html.getScaleType());
        printImage.setHorizontalAlignment(html.getHorizontalAlign());
        printImage.setVerticalAlignment(html.getVerticalAlign());
        printImage.setStyle(componentElement.getStyle());
        printImage.setMode(componentElement.getModeValue());
        printImage.setBackcolor(componentElement.getBackcolor());
        printImage.setForecolor(componentElement.getForecolor());

    printImage.setRenderer(new AwtComponentRenderer(editorPane));
   
        return printImage;
  }

  public Dimension getComputedSize(JRGenericPrintElement element) {
    String htmlContent = (String) element.getParameterValue(HtmlPrintElement.PARAMETER_HTML_CONTENT);
    JEditorPane editorPane = new JEditorPane();
    editorPane.setContentType("text/html");
    editorPane.setText(htmlContent);
    editorPane.setBorder(null);
    return editorPane.getPreferredSize();
  }
 
}
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