Examples of org.eclipse.swt.widgets.Listener

org.eclipse.swt.widgets.Listener
Implementers of Listener provide a simple handleEvent() method that is used internally by SWT to dispatch events.
After creating an instance of a class that implements this interface it can be added to a widget using the addListener(int eventType, Listener handler) method and removed using the removeListener (int eventType, Listener handler) method. When the specified event occurs, handleEvent(...) will be sent to the instance.

Classes which implement this interface are described within SWT as providing the untyped listener API. Typically, widgets will also provide a higher-level typed listener API, that is based on the standard java.util.EventListener pattern.

Note that, since all internal SWT event dispatching is based on untyped listeners, it is simple to build subsets of SWT for use on memory constrained, small footprint devices, by removing the classes and methods which implement the typed listener API.
@see Widget#addListener @see java.util.EventListener @see org.eclipse.swt.events

    ok.setText(MessageText.getString("Button.ok"));
    gridData = new GridData();
    gridData.widthHint = 70;
    ok.setLayoutData(gridData);
    shell.setDefaultButton(ok);
    ok.addListener(SWT.Selection, new Listener() {
      /* (non-Javadoc)
       * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event)
       */
      public void handleEvent(Event event) {
        try {
          for ( DownloadManager dm: dms ){
            TOTorrent  torrent = dm.getTorrent();
            
            if ( torrent != null ){
            
              TorrentUtils.announceGroupsInsertFirst( torrent, url.getText());
            
              TorrentUtils.writeToFile( torrent );
            
              TRTrackerAnnouncer announcer = dm.getTrackerClient();
              
              if ( announcer != null ){
            
                announcer.resetTrackerUrl(false);
              }
            }
          }
          
          shell.dispose();
        }
        catch (Exception e) {
          Debug.printStackTrace( e );
        }
      }
    });


    Button cancel = new Button(panel, SWT.PUSH);
    cancel.setText(MessageText.getString("Button.cancel"));
    gridData = new GridData();
    gridData.widthHint = 70;
    cancel.setLayoutData(gridData);
    cancel.addListener(SWT.Selection, new Listener() {
      /* (non-Javadoc)
       * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event)
       */
      public void handleEvent(Event event) {
        shell.dispose();

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        "Max Download Speed KBs", 0, -1);
    paramMaxDownSpeed.setLayoutData(gridData);
        
      // max upload/download limit dependencies
    
    Listener l = new Listener() {
  
      public void handleEvent(Event event) {
        boolean disableAuto = false;
        boolean disableAutoSeeding = false;

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  data = new GridData(GridData.FILL_VERTICAL);
  data.verticalAlignment = GridData.VERTICAL_ALIGN_BEGINNING;
  bUserMode.setLayoutData(data);
  
  
  Listener modeListener = new Listener() {
    public void handleEvent(Event e) {
      ((InstallPluginWizard) wizard).shared = ((Integer) e.widget.getData("mode")).intValue() == MODE_SHARED;
    }
  };

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    Button browse = new Button(gStats, SWT.PUSH);
    browse.setImage(imgOpenFolder);
    imgOpenFolder.setBackground(browse.getBackground());
    browse.setToolTipText(MessageText.getString("ConfigView.button.browse"));
    controls[2] = browse;
    browse.addListener(SWT.Selection, new Listener() {
      /* (non-Javadoc)
       * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event)
       */
      public void handleEvent(Event event) {
        DirectoryDialog dialog = new DirectoryDialog(parent.getShell(), SWT.APPLICATION_MODAL);

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    formData.top = new FormAttachment(textBlocked);    
    formData.right = new FormAttachment(95,0 );    
    //formData.bottom = new FormAttachment(textBanned);
    formData.width = 70;
    btnClear.setLayoutData(formData);
    btnClear.addListener(SWT.Selection,new Listener() {


    public void handleEvent(Event e) {
     
      azureus_core.getIpFilterManager().getIPFilter().clearBlockedIPs();
      
      textBlocked.setText( "" );
    }
    });
    
    
      // text banned area
    formData = new FormData();
    formData.left = new FormAttachment(0,0);
    formData.right = new FormAttachment(100,0);
    formData.top = new FormAttachment(btnClear);   
    formData.bottom = new FormAttachment(btnOk);   
    textBanned.setLayoutData(formData);
    textBanned.setText(ipsBanned);
    
      // label banned area
    
    Label  bannedInfo = new Label(window, SWT.NULL);
    Messages.setLanguageText(bannedInfo,"ConfigView.section.ipfilter.bannedinfo");
    formData = new FormData();
    formData.right = new FormAttachment(btnReset);    
    formData.left = new FormAttachment(0,0);    
    formData.bottom = new FormAttachment(100,0);  
    bannedInfo.setLayoutData( formData );
    
      // reset button
    
    Messages.setLanguageText(btnReset,"Button.reset");
    formData = new FormData();
    formData.right = new FormAttachment(btnOk);    
    formData.bottom = new FormAttachment(100,0);    
    formData.width = 70;
    btnReset.setLayoutData(formData);
    btnReset.addListener(SWT.Selection,new Listener() {


    public void handleEvent(Event e) {
      azureus_core.getIpFilterManager().getIPFilter().clearBannedIps();
      azureus_core.getIpFilterManager().getBadIps().clearBadIps();
    
      textBanned.setText( "" );    
      }
    });
      // ok button
    
    Messages.setLanguageText(btnOk,"Button.ok");
    formData = new FormData();
    formData.right = new FormAttachment(95,0);    
    formData.bottom = new FormAttachment(100,0);    
    formData.width = 70;
    btnOk.setLayoutData(formData);
    btnOk.addListener(SWT.Selection,new Listener() {


    public void handleEvent(Event e) {
      window.dispose();
    }
    });
        
    window.setDefaultButton( btnOk );
    
    window.addListener(SWT.Traverse, new Listener() {  
    public void handleEvent(Event e) {
      if ( e.character == SWT.ESC){
           window.dispose();
       }
    }

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    Utils.setShellIcon(shell);


    shell.addListener( 
        SWT.Close, 
        new Listener()
        {
          public void 
          handleEvent(
            org.eclipse.swt.widgets.Event event)
          {

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    inputField = new Text(composite, SWT.BORDER);
    inputField.setEchoChar('*');
    byte[] value = COConfigurationManager.getByteParameter(name, "".getBytes());
    if(value.length > 0)
      inputField.setText("***");
    inputField.addListener(SWT.Modify, new Listener() {
      public void handleEvent(Event event) {
        try{
          String  password_string = inputField.getText();
          
          byte[] password = password_string.getBytes();

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              } catch (Exception e) {
                Logger.log(new LogEvent(LogIDs.GUI, "removeWindow", e));
              }
            }
        });
        shell.addListener(SWT.Show, new Listener() {
          public void handleEvent(Event event) {
            Utils.verifyShellRect(shell, false);
          }
        });
    }

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    checkBox = new Button(composite, SWT.CHECK);
    if (textKey != null)
      Messages.setLanguageText(checkBox, textKey);
    checkBox.setSelection(value);


    checkBox.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event event) {
        setSelected(checkBox.getSelection(), true);
      }
    });
  }

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    gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.HORIZONTAL_ALIGN_END | GridData.VERTICAL_ALIGN_END);
    gridData.widthHint = 70;    
  gridData.grabExcessHorizontalSpace = true;
    ok.setLayoutData(gridData);
    ok.setText(MessageText.getString("Button.ok"));
    ok.addListener(SWT.Selection,new Listener() {
      public void handleEvent(Event e) {     
        last_referrer  = referrer_combo.getText().trim();
        
        if(! referrers.contains(last_referrer)) {
          referrers.add(last_referrer);
          COConfigurationManager.setParameter("url_open_referrers",referrers);
          COConfigurationManager.save();
        }
        
        COConfigurationManager.setParameter( CONFIG_REFERRER_DEFAULT, last_referrer );
        COConfigurationManager.save();
        
        String  url_str = url.getText();
        
        url_str = UrlUtils.parseTextForURL( url_str, true );
        
        if (url_str == null) {
          url_str = UrlUtils.parseTextForMagnets(url.getText());
        }
        
        if ( url_str == null ){
          
          url_str = url.getText();
        }
        
        new FileDownloadWindow(parent,url_str, last_referrer, null, listener );
        shell.dispose();
      }
    }); 
    
    shell.setDefaultButton (ok);
    
    Button cancel = new Button(panel,SWT.PUSH);
    gridData = new GridData(GridData.HORIZONTAL_ALIGN_END);
  gridData.grabExcessHorizontalSpace = false;
    gridData.widthHint = 70;
    cancel.setLayoutData(gridData);
    cancel.setText(MessageText.getString("Button.cancel"));
    cancel.addListener(SWT.Selection,new Listener() {
      public void handleEvent(Event e) {
        shell.dispose();
      }
    });        
    
  shell.addListener(SWT.Traverse, new Listener() {
     
    public void handleEvent(Event e) {
      
      if ( e.character == SWT.ESC){
        shell.dispose();

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