Source Code : Remarks Text

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Remarks Text

/******************************************************************************
 * All Right Reserved. 
 * Copyright (c) 1998, 2004 Jackwind Li Guojie
 * 
 * Created on Feb 17, 2004 9:58:26 PM by JACK
 * $Id$
 * 
 *****************************************************************************/



import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.VerifyEvent;
import org.eclipse.swt.events.VerifyListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class RemarksText {
  Display display = new Display();
  Shell shell = new Shell(display);
  
  Text text;

  public RemarksText() {
    shell.setLayout(new GridLayout(1, false));
    
    (new Label(shell, SWT.NULL)).setText("Remarks:");
    
    text = new Text(shell, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    text.setText("123456789");
    
    text.setLayoutData(new GridData(GridData.FILL_BOTH));
    
    System.out.println("getText: " + text.getText(1, 6));
    
    char[] chars = text.getLineDelimiter().toCharArray();
    for (int i = 0; i < chars.length; i++) {
      System.out.println("Line delimiter #" + i + ": " + Integer.toHexString(chars[i]) );
    }
    
    text.getOrientation();
    
    System.out.println("Number of chars: " + text.getCharCount());
    System.out.println("Tabs: " + text.getTabs());
    
    text.addVerifyListener(new VerifyListener() {
      public void verifyText(VerifyEvent e) {
        if(e.end == e.start) {
          if( e.character ==  && (e.stateMask & SWT.CTRL) != 0 ) {
            if(text.getText(e.end-1, e.end-1).equals("V")) {
              e.text = "erifyListener";
            }else{
              e.doit = false;
            }
          }
        }
      }
    });
    
    text.addModifyListener(new ModifyListener() {
      public void modifyText(ModifyEvent e) {
        System.out.println("New character count: " + text.getCharCount());  
      }
    });
    
    // text.append("a");
    
    text.setSelection(1, 4);
    
    System.out.println("getSelection:	" + text.getSelection());
    System.out.println("getSelectionCount:	" + text.getSelectionCount());
    System.out.println("getSelectionText:	" + text.getSelectionText());
    //text.insert("ABC");
    
    init();

    // shell.pack();
    shell.setSize(300, 150);
    shell.open();
    //textUser.forceFocus();

    // Set up the event loop.
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        // If no more entries in event queue
        display.sleep();
      }
    }

    display.dispose();
  }

  private void init() {

  }

  public static void main(String[] args) {
    new RemarksText();
  }
}


           
       

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