XmlTreeView.java

/*
 * @author Hermann Wöhrmann
 *
 * Description:
 *
 * Showing the contents of an XML file based on a speed.jg.XMLDocumentTree
 *
 * Version Date       Comments
 * 1.01.01 03.11.2004 created
 *
 */

import java.awt.*;
import javax.swing.*;
import javax.swing.border.*;
import speed.jg.*;

import speed.util.*;
import java.awt.event.*;
import java.awt.datatransfer.*;
import javax.swing.event.*;
import java.io.*;

class XmlTreeViewGUI extends GUIObject
{
  protected XmlTreeViewGUI()
  { JFrame xmlTreeView = new JFrame();
    xmlTreeView.setBounds(80, 60, 640, 480);
    xmlTreeView.getContentPane().setLayout(new BorderLayout());
    xmlTreeView.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    xmlTreeView.setTitle("Viewing XML");
    xmlTreeView.setResizable(true);
    { JMenuBar menuBar = new JMenuBar();
      { JMenu fileMenu = new JMenu();
        fileMenu.setText("File");
        { JMenuItem openMenuItem = new JMenuItem();
          openMenuItem.setText("Open");
          openMenuItem.setName("openMenuItem");
          super.add(openMenuItem);
          fileMenu.add(openMenuItem);
        }
        { JSeparator separator1 = new JSeparator();
          separator1.setName("separator1");
          super.add(separator1);
          fileMenu.add(separator1);
        }
        { JMenuItem exitMenuItem = new JMenuItem();
          exitMenuItem.setText("Exit");
          exitMenuItem.setName("exitMenuItem");
          super.add(exitMenuItem);
          fileMenu.add(exitMenuItem);
        }
        fileMenu.setName("fileMenu");
        super.add(fileMenu);
        menuBar.add(fileMenu);
      }
      menuBar.setName("menuBar");
      super.add(menuBar);
      xmlTreeView.setJMenuBar(menuBar);
    }
    { JSplitPane splitPane = new JSplitPane();
      splitPane.setOneTouchExpandable(true);
      { JPanel selectionPanel = new JPanel()
        { public Dimension getPreferredSize()
          { Dimension preferred = super.getPreferredSize();
            return GUIObject.getPreferredSize(preferred, getParent(), "4", null, null, null, null, null);
          }
        };
        selectionPanel.setLayout(new BoxLayout(selectionPanel, BoxLayout.PAGE_AXIS));
        selectionPanel.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(EtchedBorder.LOWERED, Color.WHITE, Color.BLUE), "Selection", TitledBorder.RIGHT, TitledBorder.ABOVE_BOTTOM, new Font("Dialog", Font.PLAIN, 12), Color.BLUE));
        { JTree selectionTree = new JTree();
          selectionTree.setName("selectionTree");
          super.add(selectionTree);
          JScrollPane treeScrollPane = new JScrollPane(selectionTree);
          treeScrollPane.setName("treeScrollPane");
          super.add(treeScrollPane);
          selectionPanel.add(treeScrollPane);
        }
        selectionPanel.setName("selectionPanel");
        super.add(selectionPanel);
        splitPane.setLeftComponent(selectionPanel);
      }
      { JPanel presentationPanel = new JPanel()
        { public Dimension getPreferredSize()
          { Dimension preferred = super.getPreferredSize();
            return GUIObject.getPreferredSize(preferred, getParent(), "4", null, "3", null, null, null);
          }
        };
        presentationPanel.setLayout(new BoxLayout(presentationPanel, BoxLayout.Y_AXIS));
        presentationPanel.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(EtchedBorder.LOWERED, Color.WHITE, Color.BLUE), "Presentation", TitledBorder.RIGHT, TitledBorder.ABOVE_BOTTOM, new Font("Dialog", Font.PLAIN, 12), Color.BLUE));
        { JTextArea xmlTextArea = new JTextArea();
          { JPopupMenu popupMenu = new JPopupMenu();
            popupMenu.setBackground(Color.CYAN);
            popupMenu.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createEtchedBorder(EtchedBorder.LOWERED, Color.WHITE, Color.BLUE), BorderFactory.createEmptyBorder(2, 2, 2, 2)));
            popupMenu.setBorderPainted(true);
            { JPanel panel = new JPanel();
              panel.setLayout(new FlowLayout(FlowLayout.CENTER, 5, 5));
              panel.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2), BorderFactory.createEtchedBorder(EtchedBorder.LOWERED, Color.WHITE, Color.BLUE)));
              { JLabel label = new JLabel();
                label.setForeground(Color.BLUE);
                label.setText("System Clipboard");
                label.setName("label");
                super.add(label);
                panel.add(label);
              }
              panel.setName("panel");
              super.add(panel);
              popupMenu.add(panel);
            }
            { JSeparator separatorP = new JSeparator();
              separatorP.setName("separatorP");
              super.add(separatorP);
              popupMenu.add(separatorP);
            }
            { JMenuItem copyMenuItem = new JMenuItem();
              copyMenuItem.setText("Copy");
              copyMenuItem.setName("copyMenuItem");
              super.add(copyMenuItem);
              popupMenu.add(copyMenuItem);
            }
            popupMenu.setName("popupMenu");
            super.add(popupMenu);
            new PopupMenuController(popupMenu, xmlTextArea, -60, -50);
          }
          xmlTextArea.setFont(new Font("Monospaced", Font.PLAIN, 12));
          xmlTextArea.setEditable(false);
          xmlTextArea.setColumns(1);
          xmlTextArea.setRows(1);
          xmlTextArea.setName("xmlTextArea");
          super.add(xmlTextArea);
          JScrollPane scrollPane = new JScrollPane(xmlTextArea);
          scrollPane.setName("scrollPane");
          super.add(scrollPane);
          presentationPanel.add(scrollPane);
        }
        presentationPanel.setName("presentationPanel");
        super.add(presentationPanel);
        splitPane.setRightComponent(presentationPanel);
      }
      splitPane.setDividerLocation(200);
      splitPane.setResizeWeight(0.33);
      splitPane.setName("splitPane");
      super.add(splitPane);
      xmlTreeView.getContentPane().add(splitPane, BorderLayout.CENTER);
    }
    xmlTreeView.setName("xmlTreeView");
    super.add(xmlTreeView);
  }
}

public class XmlTreeView extends XmlTreeViewController
{
  public XmlTreeView()
  { super(new XmlTreeViewGUI());
    xmlTreeView.show();
  }

//==============================================================================
// XML File Chooser ...
//------------------------------------------------------------------------------

  private XMLDocumentTree openXMLDocument() throws Exception
  { File file = getXMLFile();
    if (file == null) return null;
    return new XMLDocumentTree(XMLDocument.fromFile(file.getPath()).getContent());
  }

  private class XMLFileFilter extends javax.swing.filechooser.FileFilter
  { public boolean accept(File file)
    { return file.getName().toLowerCase().endsWith(".gpr")
          || file.getName().toLowerCase().endsWith(".xml")
          || file.isDirectory();
    }
    public String getDescription()
    { return "SpeedJG Files, XML Files ( *.gpr, *.xml )";
    }
  }

  private File getXMLFile()
  { JFileChooser jfc = new JFileChooser();
    jfc.setCurrentDirectory(new File("."));
    jfc.setFileFilter(new XMLFileFilter());
    jfc.removeChoosableFileFilter(jfc.getAcceptAllFileFilter());
    int result = jfc.showOpenDialog(null);
    if (result != JFileChooser.APPROVE_OPTION)
    { return null;
    }
    else
    { return jfc.getSelectedFile();
    }
  }

//==============================================================================
// Overwritten XmlTreeViewController methods ...
//------------------------------------------------------------------------------

  void initialize()
  { selectionTree.setModel(null);
  }

//==============================================================================
// ActionListener event handling ...
//------------------------------------------------------------------------------

  void handleCopyMenuItemActionPerformedEvent(ActionEvent e) throws Exception
  { Clipboard clipBoard = Toolkit.getDefaultToolkit().getSystemClipboard();
    clipBoard.setContents(new StringSelection(xmlTextArea.getText()), null);
  }

  void handleExitMenuItemActionPerformedEvent(ActionEvent e) throws Exception
  { System.exit(0);
  }

  void handleOpenMenuItemActionPerformedEvent(ActionEvent e) throws Exception
  { selectionTree.setModel(openXMLDocument());
    xmlTextArea.setText(null);
  }

//==============================================================================
// TreeSelectionListener event handling ...
//------------------------------------------------------------------------------

  void handleSelectionTreeValueChangedEvent(TreeSelectionEvent e) throws Exception
  { Object[] path = e.getPath().getPath();
    XMLElement nodeElement = (XMLElement)path[path.length - 1];
    xmlTextArea.setText(nodeElement.asXMLString());
    xmlTextArea.setCaretPosition(0);
  }

//==============================================================================
// Execute this XmlTreeView Program ...
//------------------------------------------------------------------------------

  public static void main(String[] args)
  { XmlTreeView xmlTreeView = new XmlTreeView();
  }

}