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Embed Swing and AWT in SWT

Embed Swing and AWT in SWT
 


/*
 * example snippet: embed Swing/AWT in SWT
 *
 * For a list of all SWT example snippets see
 * http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
 */
import java.awt.EventQueue;
import java.io.File;
import java.util.Date;

import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;

import org.eclipse.swt.SWT;
import org.eclipse.swt.awt.SWT_AWT;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Sash;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeItem;

public class Snippet135 {

  static class FileTableModel extends AbstractTableModel {
    File[] files;

    String[] columnsName = { "Name", "Size", "Date Modified" };

    public FileTableModel(File[] files) {
      this.files = files;
    }

    public int getColumnCount() {
      return columnsName.length;
    }

    public Class getColumnClass(int col) {
      if (col == 1)
        return Long.class;
      if (col == 2)
        return Date.class;
      return String.class;
    }

    public int getRowCount() {
      return files == null ? 0 : files.length;
    }

    public Object getValueAt(int row, int col) {
      if (col == 0)
        return files[row].getName();
      if (col == 1)
        return new Long(files[row].length());
      if (col == 2)
        return new Date(files[row].lastModified());
      return "";
    }

    public String getColumnName(int col) {
      return columnsName[col];
    }
  }

  public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("SWT and Swing/AWT Example");

    Listener exitListener = new Listener() {
      public void handleEvent(Event e) {
        MessageBox dialog = new MessageBox(shell, SWT.OK | SWT.CANCEL
            | SWT.ICON_QUESTION);
        dialog.setText("Question");
        dialog.setMessage("Exit?");
        if (e.type == SWT.Close)
          e.doit = false;
        if (dialog.open() != SWT.OK)
          return;
        shell.dispose();
      }
    };
    Listener aboutListener = new Listener() {
      public void handleEvent(Event e) {
        final Shell s = new Shell(shell, SWT.DIALOG_TRIM
            | SWT.APPLICATION_MODAL);
        s.setText("About");
        GridLayout layout = new GridLayout(1, false);
        layout.verticalSpacing = 20;
        layout.marginHeight = layout.marginWidth = 10;
        s.setLayout(layout);
        Label label = new Label(s, SWT.NONE);
        label.setText("SWT and AWT Example.");
        Button button = new Button(s, SWT.PUSH);
        button.setText("OK");
        GridData data = new GridData();
        data.horizontalAlignment = GridData.CENTER;
        button.setLayoutData(data);
        button.addListener(SWT.Selection, new Listener() {
          public void handleEvent(Event event) {
            s.dispose();
          }
        });
        s.pack();
        Rectangle parentBounds = shell.getBounds();
        Rectangle bounds = s.getBounds();
        int x = parentBounds.x + (parentBounds.width - bounds.width)
            / 2;
        int y = parentBounds.y + (parentBounds.height - bounds.height)
            / 2;
        s.setLocation(x, y);
        s.open();
        while (!s.isDisposed()) {
          if (!display.readAndDispatch())
            display.sleep();
        }
      }
    };
    shell.addListener(SWT.Close, exitListener);
    Menu mb = new Menu(shell, SWT.BAR);
    MenuItem fileItem = new MenuItem(mb, SWT.CASCADE);
    fileItem.setText("&File");
    Menu fileMenu = new Menu(shell, SWT.DROP_DOWN);
    fileItem.setMenu(fileMenu);
    MenuItem exitItem = new MenuItem(fileMenu, SWT.PUSH);
    exitItem.setText("&Exit\tCtrl+X");
    exitItem.setAccelerator(SWT.CONTROL + 'X');
    exitItem.addListener(SWT.Selection, exitListener);
    MenuItem aboutItem = new MenuItem(fileMenu, SWT.PUSH);
    aboutItem.setText("&About\tCtrl+A");
    aboutItem.setAccelerator(SWT.CONTROL + 'A');
    aboutItem.addListener(SWT.Selection, aboutListener);
    shell.setMenuBar(mb);

    RGB color = shell.getBackground().getRGB();
    Label separator1 = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    Label locationLb = new Label(shell, SWT.NONE);
    locationLb.setText("Location:");
    Composite locationComp = new Composite(shell, SWT.EMBEDDED);
    ToolBar toolBar = new ToolBar(shell, SWT.FLAT);
    ToolItem exitToolItem = new ToolItem(toolBar, SWT.PUSH);
    exitToolItem.setText("&Exit");
    exitToolItem.addListener(SWT.Selection, exitListener);
    ToolItem aboutToolItem = new ToolItem(toolBar, SWT.PUSH);
    aboutToolItem.setText("&About");
    aboutToolItem.addListener(SWT.Selection, aboutListener);
    Label separator2 = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    final Composite comp = new Composite(shell, SWT.NONE);
    final Tree fileTree = new Tree(comp, SWT.SINGLE | SWT.BORDER);
    Sash sash = new Sash(comp, SWT.VERTICAL);
    Composite tableComp = new Composite(comp, SWT.EMBEDDED);
    Label separator3 = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    Composite statusComp = new Composite(shell, SWT.EMBEDDED);

    java.awt.Frame locationFrame = SWT_AWT.new_Frame(locationComp);
    final java.awt.TextField locationText = new java.awt.TextField();
    locationFrame.add(locationText);

    java.awt.Frame fileTableFrame = SWT_AWT.new_Frame(tableComp);
    java.awt.Panel panel = new java.awt.Panel(new java.awt.BorderLayout());
    fileTableFrame.add(panel);
    final JTable fileTable = new JTable(new FileTableModel(null));
    fileTable.setDoubleBuffered(true);
    fileTable.setShowGrid(false);
    fileTable.createDefaultColumnsFromModel();
    JScrollPane scrollPane = new JScrollPane(fileTable);
    panel.add(scrollPane);

    java.awt.Frame statusFrame = SWT_AWT.new_Frame(statusComp);
    statusFrame.setBackground(new java.awt.Color(color.red, color.green,
        color.blue));
    final java.awt.Label statusLabel = new java.awt.Label();
    statusFrame.add(statusLabel);
    statusLabel.setText("Select a file");

    sash.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event e) {
        if (e.detail == SWT.DRAG)
          return;
        GridData data = (GridData) fileTree.getLayoutData();
        Rectangle trim = fileTree.computeTrim(0, 0, 0, 0);
        data.widthHint = e.x - trim.width;
        comp.layout();
      }
    });

    File[] roots = File.listRoots();
    for (int i = 0; i < roots.length; i++) {
      File file = roots[i];
      TreeItem treeItem = new TreeItem(fileTree, SWT.NONE);
      treeItem.setText(file.getAbsolutePath());
      treeItem.setData(file);
      new TreeItem(treeItem, SWT.NONE);
    }
    fileTree.addListener(SWT.Expand, new Listener() {
      public void handleEvent(Event e) {
        TreeItem item = (TreeItem) e.item;
        if (item == null)
          return;
        if (item.getItemCount() == 1) {
          TreeItem firstItem = item.getItems()[0];
          if (firstItem.getData() != null)
            return;
          firstItem.dispose();
        } else {
          return;
        }
        File root = (File) item.getData();
        File[] files = root.listFiles();
        if (files == null)
          return;
        for (int i = 0; i < files.length; i++) {
          File file = files[i];
          if (file.isDirectory()) {
            TreeItem treeItem = new TreeItem(item, SWT.NONE);
            treeItem.setText(file.getName());
            treeItem.setData(file);
            new TreeItem(treeItem, SWT.NONE);
          }
        }
      }
    });
    fileTree.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event e) {
        TreeItem item = (TreeItem) e.item;
        if (item == null)
          return;
        final File root = (File) item.getData();
        EventQueue.invokeLater(new Runnable() {
          public void run() {
            statusLabel.setText(root.getAbsolutePath());
            locationText.setText(root.getAbsolutePath());
            fileTable
                .setModel(new FileTableModel(root.listFiles()));
          }
        });
      }
    });

    GridLayout layout = new GridLayout(4, false);
    layout.marginWidth = layout.marginHeight = 0;
    layout.horizontalSpacing = layout.verticalSpacing = 1;
    shell.setLayout(layout);
    GridData data;
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 4;
    separator1.setLayoutData(data);
    data = new GridData();
    data.horizontalSpan = 1;
    data.horizontalIndent = 10;
    locationLb.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 2;
    data.heightHint = locationText.getPreferredSize().height;
    locationComp.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 1;
    toolBar.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 4;
    separator2.setLayoutData(data);
    data = new GridData(GridData.FILL_BOTH);
    data.horizontalSpan = 4;
    comp.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 4;
    separator3.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 4;
    data.heightHint = statusLabel.getPreferredSize().height;
    statusComp.setLayoutData(data);

    layout = new GridLayout(3, false);
    layout.marginWidth = layout.marginHeight = 0;
    layout.horizontalSpacing = layout.verticalSpacing = 1;
    comp.setLayout(layout);
    data = new GridData(GridData.FILL_VERTICAL);
    data.widthHint = 200;
    fileTree.setLayoutData(data);
    data = new GridData(GridData.FILL_VERTICAL);
    sash.setLayoutData(data);
    data = new GridData(GridData.FILL_BOTH);
    tableComp.setLayoutData(data);

    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

           
         
  








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