Package org.pentaho.reporting.designer.core.editor.report.lineal

Source Code of org.pentaho.reporting.designer.core.editor.report.lineal.AllVerticalLinealsComponent$ReportUpdateHandler

/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2002-2013 Pentaho Corporation..  All rights reserved.
*/

package org.pentaho.reporting.designer.core.editor.report.lineal;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Graphics;
import java.util.ArrayList;
import javax.swing.BoxLayout;
import javax.swing.ImageIcon;
import javax.swing.JPanel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

import org.pentaho.reporting.designer.core.editor.report.ResizeRootBandComponent;
import org.pentaho.reporting.designer.core.editor.report.RootBandRenderingModel;
import org.pentaho.reporting.designer.core.editor.report.layouting.ElementRenderer;
import org.pentaho.reporting.designer.core.util.CanvasImageLoader;
import org.pentaho.reporting.engine.classic.core.PageDefinition;

/**
* A container for the vertical lineals of all report-root-bands. This container manages the mapping between vertical lineal components and report-root-bands.
*
* @author Thomas Morgner
*/
public class AllVerticalLinealsComponent extends JPanel
{
  private class ReportUpdateHandler implements ChangeListener
  {
    private ReportUpdateHandler()
    {
    }

    public void stateChanged(final ChangeEvent e)
    {
      refresh();
    }
  }

  private class BottomImageBorder extends JPanel
  {
    public BottomImageBorder()
    {
      setOpaque(false);
    }

    protected void paintComponent(final Graphics g)
    {
      super.paintComponent(g);
      final ImageIcon leftCornerBorder = CanvasImageLoader.getInstance().getLeftCornerShadowImage();
      final ImageIcon bottomBorder = CanvasImageLoader.getInstance().getBottomShadowImage();
      g.drawImage(leftCornerBorder.getImage(), getWidth() - 23, 0, leftCornerBorder.getIconWidth(), leftCornerBorder.getIconHeight(), null);
      g.drawImage(bottomBorder.getImage(), getWidth() - 15, 0, getWidth(), bottomBorder.getIconHeight(), null);
    }
  }

  private ArrayList<VerticalLinealComponent> lineals;
  private JPanel innerCarrier;
  private RootBandRenderingModel renderContext;

  public AllVerticalLinealsComponent(final RootBandRenderingModel renderContext)
  {
    if (renderContext == null)
    {
      throw new NullPointerException();
    }

    setLayout(new BorderLayout());
    this.renderContext = renderContext;
    this.renderContext.addChangeListener(new ReportUpdateHandler());
    this.lineals = new ArrayList();

    this.innerCarrier = new JPanel();
    this.innerCarrier.setBackground(new Color(255, 255, 255, 0));
    this.innerCarrier.setOpaque(false);
    this.innerCarrier.setLayout(new BoxLayout(innerCarrier, BoxLayout.Y_AXIS));

    add(innerCarrier, BorderLayout.NORTH);

    setOpaque(false);
    setBackground(new Color(255, 255, 255, 0));

    refresh();
  }

  public void refresh()
  {
    for (int i = 0; i < lineals.size(); i++)
    {
      final VerticalLinealComponent component = lineals.get(i);
      component.setPageDefinition(null, null);
    }
    lineals.clear();
    innerCarrier.removeAll();

    final ElementRenderer[] allRenderers = renderContext.getAllRenderers();
    final PageDefinition definition = renderContext.getPageDefinition();
    for (int i = 0; i < allRenderers.length; i++)
    {
      final ElementRenderer renderer = allRenderers[i];
      // final boolean showBorder = renderer.getElementType() instanceof PageHeaderType;
      final boolean showBorder = false;

      final VerticalLinealComponent c = new VerticalLinealComponent(showBorder, renderContext.getRenderContext());
      c.setPageDefinition(definition, renderer);
      lineals.add(c);

      innerCarrier.add(c);
      innerCarrier.add(new ResizeRootBandComponent(false, renderer, renderContext.getRenderContext()));
    }
    innerCarrier.add(new BottomImageBorder());

    innerCarrier.invalidate();
    innerCarrier.revalidate();
  }
}
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