modepanel.java

这是一个基于java编写的torrent的P2P源码

    panel.setLayout(layout);
        
    //Line:
    // ------------------------------
    
    Label label = new Label(panel, SWT.SEPARATOR | SWT.HORIZONTAL);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    gridData.horizontalSpan = 4;
    label.setLayoutData(gridData);

    //Line:
    // [] add Multi-tracker information
    
    final Button btnMultiTracker = new Button(panel,SWT.CHECK);
    Messages.setLanguageText(btnMultiTracker, "wizard.multitracker");
    gridData = new GridData();
    gridData.horizontalSpan = 4;
    btnMultiTracker.setLayoutData(gridData);
    btnMultiTracker.addListener(SWT.Selection, new Listener() {

	    public void handleEvent(Event arg0) {
	      ((NewTorrentWizard) wizard).useMultiTracker = btnMultiTracker.getSelection();
	    }
    });
    btnMultiTracker.setSelection(((NewTorrentWizard) wizard).useMultiTracker);
    
    btnMultiTracker.setEnabled( tracker_type != NewTorrentWizard.TT_DECENTRAL);
    
    //Line:
    // include hashes for other networks (

    final Button btnExtraHashes = new Button(panel,SWT.CHECK);
    Messages.setLanguageText(btnExtraHashes, "wizard.createtorrent.extrahashes");
    gridData = new GridData();
    gridData.horizontalSpan = 4;
    btnExtraHashes.setLayoutData(gridData);
    btnExtraHashes.addListener(SWT.Selection, new Listener() {

    	public void handleEvent(Event arg0) {
    		((NewTorrentWizard) wizard).setAddOtherHashes( btnExtraHashes.getSelection());
    	}
    });
    btnExtraHashes.setSelection(((NewTorrentWizard) wizard).getAddOtherHashes());

    // add another panel due to control oversize issues
    // the "hack" is staying until a more satisfactory solution can be found
    panel = new Composite(rootPanel, SWT.NONE);
    gridData = new GridData(GridData.VERTICAL_ALIGN_CENTER | GridData.FILL_HORIZONTAL);
    panel.setLayoutData(gridData);
    layout = new GridLayout();
    layout.numColumns = 4;
    panel.setLayout(layout);

    //Line:
    // ------------------------------
    
    Label label1 = new Label(panel, SWT.SEPARATOR | SWT.HORIZONTAL);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    gridData.horizontalSpan = 4;
    label1.setLayoutData(gridData);

    //Line:
    // O single file O Directory mode
    bSingle = new Button(panel, SWT.RADIO);
    bSingle.setSelection(!((NewTorrentWizard) wizard).create_from_dir);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    gridData.horizontalSpan = 2;
    bSingle.setLayoutData(gridData);
    Messages.setLanguageText(bSingle, "wizard.singlefile");
    
    bSingle.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event arg0) {
        activateMode(true);
      }
    });
    
    bDirectory = new Button(panel, SWT.RADIO);
    bDirectory.setSelection(((NewTorrentWizard) wizard).create_from_dir);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    gridData.horizontalSpan = 2;
    bDirectory.setLayoutData(gridData);
    Messages.setLanguageText(bDirectory, "wizard.directory");
    
    bDirectory.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event arg0) {
        activateMode(false);
      }
    });

    btnSSL.addListener(SWT.Selection, new Listener() {
		  public void handleEvent(Event arg0) {
		  	String	url;
		  	
			if ( btnSSL.getSelection()){
				url = "https://" + localTrackerHost + ":" + localTrackerPortSSL + "/announce";
			}else{
				url = "http://" + localTrackerHost + ":" + localTrackerPort + "/announce";
			}
			
			localTrackerValue.setText(url);
			
			localTrackerUrl[0] = url;
			
			setTrackerUrl(url);
	
		  }
		});
	
    btnLocalTracker.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event arg0) {
        wizard.setTrackerType( NewTorrentWizard.TT_LOCAL );
        setTrackerUrl(localTrackerUrl[0]);
        updateTrackerURL();
        btnExternalTracker.setSelection(false);
        btnLocalTracker.setSelection(true);
        btnDHTTracker.setSelection(false);
        tracker.setEnabled(false);
        btnSSL.setEnabled(SSLEnabled);
        if(labelLocalAnnounce != null) {labelLocalAnnounce.setEnabled(true);}
        localTrackerValue.setEnabled(true);
        labelExternalAnnounce.setEnabled(false);
        btnMultiTracker.setEnabled(true);
      }
    });

    btnExternalTracker.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event arg0) {
        wizard.setTrackerType( NewTorrentWizard.TT_EXTERNAL );
        setTrackerUrl( NewTorrentWizard.TT_EXTERNAL_DEFAULT );
        updateTrackerURL();
        btnLocalTracker.setSelection(false);
        btnExternalTracker.setSelection(true);
        btnDHTTracker.setSelection(false);
        tracker.setEnabled(true);
        btnSSL.setEnabled(false);
        if(labelLocalAnnounce != null) {labelLocalAnnounce.setEnabled(false);}
        localTrackerValue.setEnabled(false);
        labelExternalAnnounce.setEnabled(true);
        btnMultiTracker.setEnabled(true);
      }
    });
    
    btnDHTTracker.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event arg0) {
          wizard.setTrackerType( NewTorrentWizard.TT_DECENTRAL );
          setTrackerUrl( NewTorrentWizard.TT_DECENTRAL_DEFAULT );
          updateTrackerURL();
          btnLocalTracker.setSelection(false);
          btnExternalTracker.setSelection(false);
          btnDHTTracker.setSelection(true);
          tracker.setEnabled(false);
          btnSSL.setEnabled(false);
          if(labelLocalAnnounce != null) {labelLocalAnnounce.setEnabled(false);}
          localTrackerValue.setEnabled(false);
          labelExternalAnnounce.setEnabled(false);
          btnMultiTracker.setEnabled(false);
        }
      });
    
    //Line:
    // ------------------------------
    
    label = new Label(panel, SWT.SEPARATOR | SWT.HORIZONTAL);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    gridData.horizontalSpan = 4;
    label.setLayoutData(gridData);

    //Line:
    //Comment: [               ]
    label = new Label(panel, SWT.NULL);
    Messages.setLanguageText(label, "wizard.comment");

    final Text comment = new Text(panel, SWT.BORDER);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    gridData.horizontalSpan = 3;
    comment.setLayoutData(gridData);
    comment.setText(((NewTorrentWizard) wizard).getComment());

    comment.addListener(SWT.Modify, new Listener() {
      public void handleEvent(Event event) {
        ((NewTorrentWizard) wizard).setComment(comment.getText());
      }
    });

    label = new Label(panel, SWT.NULL);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    gridData.horizontalSpan = 4;
    label.setLayoutData(gridData);
    label.setText("\n");

    label = new Label(panel, SWT.NULL);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    gridData.horizontalSpan = 4;
    label.setLayoutData(gridData);
    label.setForeground(Colors.blue);
    Messages.setLanguageText(label, "wizard.hint.mode");
  }

  /*
	 * (non-Javadoc)
	 * 
	 * @see org.gudy.azureus2.ui.swt.maketorrent.IWizardPanel#getNextPanel()
	 */
  public IWizardPanel getNextPanel() {
    
    //OSX work-arround to Fix SWT BUG #43396 :
    //Combo doesn't fire Selection Event
    if(Constants.isOSX) {
      //In case we're not using the localTracker, refresh the
      //Tracker URL from the Combo text
      if( ((NewTorrentWizard) wizard).getTrackerType() == NewTorrentWizard.TT_EXTERNAL ){
        setTrackerUrl(tracker.getText());
      }
    }
    
    
    if(((NewTorrentWizard) wizard).useMultiTracker)
      return new MultiTrackerPanel((NewTorrentWizard) wizard, this);

    if (((NewTorrentWizard) wizard).create_from_dir) {
      return new DirectoryPanel(((NewTorrentWizard) wizard), this);
    } else {
      return new SingleFilePanel(((NewTorrentWizard) wizard), this);
    }
  }

  /*
	 * (non-Javadoc)
	 * 
	 * @see org.gudy.azureus2.ui.swt.maketorrent.IWizardPanel#isNextEnabled()
	 */
  public boolean isNextEnabled() {
    return true;
  }

  void activateMode(boolean singleFile) {
    wizard.setCurrentInfo(MessageText.getString(singleFile ? "wizard.singlefile.help" : "wizard.directory.help"));
    ((NewTorrentWizard) wizard).create_from_dir = !singleFile;
    bDirectory.setSelection(!singleFile);
    bSingle.setSelection(singleFile);
  }

  void updateTrackerURL() {
    tracker.setText(((NewTorrentWizard) wizard).trackerURL);
  }
  
  void setTrackerUrl(String url) {
    ((NewTorrentWizard) wizard).trackerURL = url;
    String config = ((NewTorrentWizard) wizard).multiTrackerConfig;
    if(config.equals("")) {
	    List list = (List) ((NewTorrentWizard) wizard).trackers.get(0);
	    if(list.size() > 0)
	      list.remove(0);
	    list.add(url);
    }
  }
}