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Java » SWT JFace Eclipse » SWT Swing AWTScreenshots 
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 : 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(1false);
        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 = (GridDatafileTree.getLayoutData();
        Rectangle trim = fileTree.computeTrim(0000);
        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 = (TreeIteme.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 = (Fileitem.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 = (TreeIteme.item;
        if (item == null)
          return;
        final File root = (Fileitem.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(4false);
    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(3false);
    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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3. Embed a JTable in SWT (no flicker)Embed a JTable in SWT (no flicker)
4. Converts an AWT image to SWT.
5. Creates an AWT MouseEvent from a swt event.
6. Returns an SWT point with the same coordinates as the specified AWT point (rounded to integer values).
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9. Transform a swt Rectangle instance into an AWT Rectangle.
10. Draw Graphics2D stuff on a swt composite
11. Converts a buffered image to SWT ImageData.
12. Transform an awt Rectangle2d instance into a swt Rectangle2d.
13. Creates a swt color instance to match the rgb values of the specified awt color. alpha channel is not supported.
14. Creates a swt color instance to match the rgb values of the specified awt paint.
15. Creates an awt color instance to match the rgb values of the specified swt color.
16. Create an awt font by converting as much information as possible from the provided swt Font.
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18. Create a FontData object which encapsulate the essential data to create a swt font.
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