elementeditordialog.java

报表设计软件,很好的

/**
 * ========================================
 * JFreeReport : a free Java report library
 * ========================================
 *
 * Project Info:  http://www.jfree.org/jfreereport/index.html
 * Project Lead:  Thomas Morgner ([e-mail]);
 *
 * (C) Copyright 2000-2003, by Simba Management Limited and Contributors.
 *
 * 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.
 *
 * ------------------------------
 * StyleSheetPropertyEditorDialog.java
 * ------------------------------
 * (C)opyright 2003, by Thomas Morgner and Contributors.
 *
 * Original Author:  Thomas Morgner;
 * Contributor(s):   David Gilbert (for Simba Management Limited);
 *
 * $Id: ElementEditorDialog.java,v 1.3 2004/04/20 18:55:00 taqua Exp $
 *
 * Changes
 * -------------------------
 * 25.10.2003 : Initial version
 *
 */

package org.jfree.designer.visualeditor.elementeditor;

import java.awt.BorderLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import javax.swing.AbstractAction;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTabbedPane;
import javax.swing.JTextField;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

import org.jfree.designer.visualeditor.VisualEditPanel;
import org.jfree.designer.visualeditor.bandeditor.ReportBandEditor;
import org.jfree.report.Band;
import org.jfree.report.Element;
import org.jfree.report.filter.DataSource;
import org.jfree.report.filter.templates.Template;
import org.jfree.report.util.Log;

public final class ElementEditorDialog
        extends JDialog
        implements PropertyChangeListener, ChangeListener
{
  private final class ElementNameAction
          extends AbstractAction
  {
    /**
     * Invoked when an action occurs.
     */
    public final void actionPerformed (final ActionEvent e)
    {
      if (element != null)
      {
        element.setName(elementName.getText());
      }
    }
  }

  //private static final int TEMPLATE_INDEX = 0;
  private static final int ELEMENT_INDEX = 1;
  private static final int BAND_INDEX = 2;

  private StyleSheetPropertyEditorPane elementStylePane;
  private StyleSheetPropertyEditorPane bandDefaultStylePane;
  private TemplateEditorPane templateEditorPane;
  private Element element;
  private ReportBandEditor bandEditor;
  private JTabbedPane tabbedPane;
  private VisualEditPanel editPanel;

  private JTextField elementName;

  public ElementEditorDialog (final VisualEditPanel editPanel)
  {
    setTitle("Element Detail Editor");

    this.editPanel = editPanel;
    tabbedPane = new JTabbedPane();

    elementStylePane = new StyleSheetPropertyEditorPane();
    elementStylePane.setChangeListener(this);
    bandDefaultStylePane = new StyleSheetPropertyEditorPane();
    bandDefaultStylePane.setChangeListener(this);
    templateEditorPane = new TemplateEditorPane();
    templateEditorPane.addPropertyChangeListener(this);

    final JLabel elementNameLabel = new JLabel("Element-Name");
    elementName = new JTextField();
    elementName.addActionListener(new ElementNameAction());

    final JPanel elementPanel = new JPanel();
    elementPanel.setLayout(new GridBagLayout());
    GridBagConstraints gbc = new GridBagConstraints();
    gbc.gridx = 0;
    gbc.gridy = 0;
    gbc.anchor = GridBagConstraints.WEST;
    elementPanel.add(elementNameLabel, gbc);

    gbc = new GridBagConstraints();
    gbc.gridx = 1;
    gbc.gridy = 0;
    gbc.fill = GridBagConstraints.HORIZONTAL;
    gbc.weightx = 1;
    gbc.anchor = GridBagConstraints.WEST;
    elementPanel.add(elementName, gbc);

    final Box templateBox = new Box(BoxLayout.Y_AXIS);
    final JScrollPane templateScrolling = new JScrollPane(templateEditorPane);
    templateBox.add(elementPanel);
    templateBox.add(templateScrolling);
    templateBox.add(Box.createVerticalGlue());
    tabbedPane.add("Template", templateBox);

    final Box elementBox = new Box(BoxLayout.Y_AXIS);
    final JScrollPane elementScrolling = new JScrollPane(elementStylePane);
    elementBox.add(elementScrolling);
    tabbedPane.add("Element Style", elementBox);

    final Box bandBox = new Box(BoxLayout.Y_AXIS);
    bandBox.add(new JScrollPane(bandDefaultStylePane));
    tabbedPane.add("Band Default Style", bandBox);

    final JPanel panel = new JPanel();
    panel.setLayout(new BorderLayout());
    panel.add(tabbedPane);
    setContentPane(panel);

    //tabbedPane.setEnabledAt(TEMPLATE_INDEX, false);
    tabbedPane.setEnabledAt(ELEMENT_INDEX, false);
    tabbedPane.setEnabledAt(BAND_INDEX, false);
  }

  /**
   * Invoked when the target of the listener has changed its state.
   *
   * @param e a ChangeEvent object
   */
  public final void stateChanged (final ChangeEvent e)
  {
    Log.info("Fire Change ...");
    if (bandEditor != null)
    {
      bandEditor.revalidate();
      //el
    }
  }

  /**
   * This method gets called when a bound property is changed.
   *
   * @param evt A PropertyChangeEvent object describing the event source and the property
   *            that has changed.
   */
  public final void propertyChange (final PropertyChangeEvent evt)
  {
    if (this.element != null && templateEditorPane.getTemplate() != null)
    {
      this.element.setDataSource(templateEditorPane.getTemplate());
    }
  }

  public final void setElement (final Element e)
  {
    if (this.element != null)
    {
      templateEditorPane.setTemplate(null);
      elementStylePane.setStyleSheet(null);
      bandDefaultStylePane.setStyleSheet(null);
      //tabbedPane.setEnabledAt(TEMPLATE_INDEX, false);
      tabbedPane.setEnabledAt(ELEMENT_INDEX, false);
      tabbedPane.setEnabledAt(BAND_INDEX, false);
      elementName.setText("");
      bandEditor = null;
    }
    this.element = e;
    if (this.element != null)
    {
      elementName.setText(element.getName());
      bandEditor = editPanel.findEditorForElement(element);
      elementStylePane.setStyleSheet(e.getStyle());
      tabbedPane.setEnabledAt(ELEMENT_INDEX, true);
      if (this.element instanceof Band)
      {
        final Band band = (Band) element;
        bandDefaultStylePane.setStyleSheet(band.getBandDefaults());
        tabbedPane.setEnabledAt(BAND_INDEX, true);
      }
      final DataSource ds = element.getDataSource();
      if (ds instanceof Template)
      {
        templateEditorPane.setTemplate((Template) ds);
        //tabbedPane.setEnabledAt(TEMPLATE_INDEX, true);
      }
//      else
//      {
//        //tabbedPane.setEnabledAt(TEMPLATE_INDEX, false);
//      }
    }
  }

  public final Element getElement ()
  {
    return element;
  }
}