Examples of weka.gui.beans.BeanConnection

weka.gui.beans.BeanConnection
Class for encapsulating a connection between two beans. Also maintains a list of all connections @author Mark Hall @version $Revision: 7059 $

   * @param hidden true if the connection is hidden
   * @return the generated BeanConnection
   * @throws Exception if something goes wrong
   */
  protected BeanConnection createBeanConnection(int sourcePos, int targetPos, String event, boolean hidden) throws Exception {
    BeanConnection          result;
    BeanInfo                compInfo;
    EventSetDescriptor[]    esds;
    int                     i;
    BeanInstance            instSource;
    BeanInstance            instTarget;


    result = null;
    
    // was there a connection?
    if ( (sourcePos == -1) || (targetPos == -1) )
      return result;
    
    instSource = (BeanInstance) m_BeanInstances.get(sourcePos);
    instTarget = (BeanInstance) m_BeanInstances.get(targetPos);
    
    compInfo = Introspector.getBeanInfo(((BeanInstance) m_BeanInstances.get(sourcePos)).getBean().getClass());
    esds     = compInfo.getEventSetDescriptors();


    for (i = 0; i < esds.length; i++) {
      if (esds[i].getName().equals(event)) {
        result = new BeanConnection(instSource, instTarget, esds[i], m_vectorIndex);
        ((BeanConnection) result).setHidden(hidden);
        break;
      }
    }

View Full Code Here

    int                     sourcePos;
    int                     targetPos;
    String                  event;
    boolean                 hidden;
    Vector                  conns;
    BeanConnection          conn;
    StringTokenizer         tok;
    Vector                  beanconns;


    conns = (Vector) m_BeanConnectionRelation.get(key);
    
    // no connections?
    if (conns == null)
      return;
    
    for (n = 0; n < conns.size(); n++) {
      tok       = new StringTokenizer(conns.get(n).toString(), ",");
      conn      = null;
      sourcePos = Integer.parseInt(tok.nextToken());
      targetPos = Integer.parseInt(tok.nextToken());
      event     = tok.nextToken();
      hidden    = stringToBoolean(tok.nextToken());


      // regular connection? -> new instance
      // or MetaBean from user toolbar
      if ( (!(key instanceof MetaBean)) || (getDataType() == DATATYPE_USERCOMPONENTS)) {
        conn = createBeanConnection(sourcePos, targetPos, event, hidden);
      }
      // MetaBean? -> find BeanConnection 
      else {
        beanconns = BeanConnection.getConnections(m_vectorIndex);
        
        for (i = 0; i < beanconns.size(); i++) {
          conn = (BeanConnection) beanconns.get(i);
          if (    (conn.getSource() == (BeanInstance) m_BeanInstances.get(sourcePos))
               && (conn.getTarget() == (BeanInstance) m_BeanInstances.get(targetPos))
               && (conn.getEventName().equals(event)) ) {
            break;
          }
          conn = null;
        }
      }

View Full Code Here

   */
  public Element writeBeanConnection(Element parent, Object o, String name)
    throws Exception {
    
    Element           node;
    BeanConnection    beanconn;
    int               source;
    int               target;
    int               sourcePos;
    int               targetPos;


    // for debugging only
    if (DEBUG)
       trace(new Throwable(), name);
    
    m_CurrentNode = parent;
    
    beanconn = (BeanConnection) o;
    node     = null;


    // get position
    sourcePos = m_BeanInstances.indexOf(beanconn.getSource());
    targetPos = m_BeanInstances.indexOf(beanconn.getTarget());
    
    // get id (if Connection is from a Bean in the UserToolBar, it's not listed! -> ignore it)
    if ( (sourcePos > -1) && (targetPos > -1) ) {
      source = ((Integer) m_BeanInstancesID.get(sourcePos)).intValue();
      target = ((Integer) m_BeanInstancesID.get(targetPos)).intValue();
    }
    else {
       source = -1;
       target = -1;
    }
    
    // connection exists in the layout?
    if ( (source > -1) && (target > -1) ) {
      node = addElement(parent, name, beanconn.getClass().getName(), false);
  
      writeIntToXML(node, source, VAL_SOURCEID);
      writeIntToXML(node, target, VAL_TARGETID);
      invokeWriteToXML(node, beanconn.getEventName(), VAL_EVENTNAME);
      writeBooleanToXML(node, beanconn.isHidden(), VAL_HIDDEN);
    }
    
    return node;
  }

View Full Code Here

   * @param hidden true if the connection is hidden
   * @return the generated BeanConnection
   * @throws Exception if something goes wrong
   */
  protected BeanConnection createBeanConnection(int sourcePos, int targetPos, String event, boolean hidden) throws Exception {
    BeanConnection          result;
    BeanInfo                compInfo;
    EventSetDescriptor[]    esds;
    int                     i;
    BeanInstance            instSource;
    BeanInstance            instTarget;


    result = null;
    
    // was there a connection?
    if ( (sourcePos == -1) || (targetPos == -1) )
      return result;
    
    instSource = (BeanInstance) m_BeanInstances.get(sourcePos);
    instTarget = (BeanInstance) m_BeanInstances.get(targetPos);
    
    compInfo = Introspector.getBeanInfo(((BeanInstance) m_BeanInstances.get(sourcePos)).getBean().getClass());
    esds     = compInfo.getEventSetDescriptors();


    for (i = 0; i < esds.length; i++) {
      if (esds[i].getName().equals(event)) {
        result = new BeanConnection(instSource, instTarget, esds[i]);
        ((BeanConnection) result).setHidden(hidden);
        break;
      }
    }

View Full Code Here

    int                     sourcePos;
    int                     targetPos;
    String                  event;
    boolean                 hidden;
    Vector                  conns;
    BeanConnection          conn;
    StringTokenizer         tok;
    Vector                  beanconns;


    conns = (Vector) m_BeanConnectionRelation.get(key);
    
    // no connections?
    if (conns == null)
      return;
    
    for (n = 0; n < conns.size(); n++) {
      tok       = new StringTokenizer(conns.get(n).toString(), ",");
      conn      = null;
      sourcePos = Integer.parseInt(tok.nextToken());
      targetPos = Integer.parseInt(tok.nextToken());
      event     = tok.nextToken();
      hidden    = stringToBoolean(tok.nextToken());


      // regular connection? -> new instance
      // or MetaBean from user toolbar
      if ( (!(key instanceof MetaBean)) || (getDataType() == DATATYPE_USERCOMPONENTS)) {
        conn = createBeanConnection(sourcePos, targetPos, event, hidden);
      }
      // MetaBean? -> find BeanConnection 
      else {
        beanconns = BeanConnection.getConnections();
        
        for (i = 0; i < beanconns.size(); i++) {
          conn = (BeanConnection) beanconns.get(i);
          if (    (conn.getSource() == (BeanInstance) m_BeanInstances.get(sourcePos))
               && (conn.getTarget() == (BeanInstance) m_BeanInstances.get(targetPos))
               && (conn.getEventName().equals(event)) ) {
            break;
          }
          conn = null;
        }
      }

View Full Code Here

   */
  public Element writeBeanConnection(Element parent, Object o, String name)
    throws Exception {
    
    Element           node;
    BeanConnection    beanconn;
    int               source;
    int               target;
    int               sourcePos;
    int               targetPos;


    // for debugging only
    if (DEBUG)
       trace(new Throwable(), name);
    
    m_CurrentNode = parent;
    
    beanconn = (BeanConnection) o;
    node     = null;


    // get position
    sourcePos = m_BeanInstances.indexOf(beanconn.getSource());
    targetPos = m_BeanInstances.indexOf(beanconn.getTarget());
    
    // get id (if Connection is from a Bean in the UserToolBar, it's not listed! -> ignore it)
    if ( (sourcePos > -1) && (targetPos > -1) ) {
      source = ((Integer) m_BeanInstancesID.get(sourcePos)).intValue();
      target = ((Integer) m_BeanInstancesID.get(targetPos)).intValue();
    }
    else {
       source = -1;
       target = -1;
    }
    
    // connection exists in the layout?
    if ( (source > -1) && (target > -1) ) {
      node = addElement(parent, name, beanconn.getClass().getName(), false);
  
      writeIntToXML(node, source, VAL_SOURCEID);
      writeIntToXML(node, target, VAL_TARGETID);
      invokeWriteToXML(node, beanconn.getEventName(), VAL_EVENTNAME);
      writeBooleanToXML(node, beanconn.isHidden(), VAL_HIDDEN);
    }
    
    return node;
  }

View Full Code Here

        
      }
    
    
      for(int i = 0; i < connections.size(); i++) {
        BeanConnection connection = (BeanConnection)connections.get(i);
        logger.debug("   " + (i+1) + ". " + connection.getClass().getName());
      }  
      
      BeanInstance.setBeanInstances(beans, null);
      BeanConnection.setConnections(connections);

View Full Code Here

   * @param hidden true if the connection is hidden
   * @return the generated BeanConnection
   * @throws Exception if something goes wrong
   */
  protected BeanConnection createBeanConnection(int sourcePos, int targetPos, String event, boolean hidden) throws Exception {
    BeanConnection          result;
    BeanInfo                compInfo;
    EventSetDescriptor[]    esds;
    int                     i;
    BeanInstance            instSource;
    BeanInstance            instTarget;


    result = null;
    
    // was there a connection?
    if ( (sourcePos == -1) || (targetPos == -1) )
      return result;
    
    instSource = (BeanInstance) m_BeanInstances.get(sourcePos);
    instTarget = (BeanInstance) m_BeanInstances.get(targetPos);
    
    compInfo = Introspector.getBeanInfo(((BeanInstance) m_BeanInstances.get(sourcePos)).getBean().getClass());
    esds     = compInfo.getEventSetDescriptors();


    for (i = 0; i < esds.length; i++) {
      if (esds[i].getName().equals(event)) {
        result = new BeanConnection(instSource, instTarget, esds[i]);
        ((BeanConnection) result).setHidden(hidden);
        break;
      }
    }

View Full Code Here

    int                     sourcePos;
    int                     targetPos;
    String                  event;
    boolean                 hidden;
    Vector                  conns;
    BeanConnection          conn;
    StringTokenizer         tok;
    Vector                  beanconns;


    conns = (Vector) m_BeanConnectionRelation.get(key);
    
    // no connections?
    if (conns == null)
      return;
    
    for (n = 0; n < conns.size(); n++) {
      tok       = new StringTokenizer(conns.get(n).toString(), ",");
      conn      = null;
      sourcePos = Integer.parseInt(tok.nextToken());
      targetPos = Integer.parseInt(tok.nextToken());
      event     = tok.nextToken();
      hidden    = stringToBoolean(tok.nextToken());


      // regular connection? -> new instance
      // or MetaBean from user toolbar
      if ( (!(key instanceof MetaBean)) || (getDataType() == DATATYPE_USERCOMPONENTS)) {
        conn = createBeanConnection(sourcePos, targetPos, event, hidden);
      }
      // MetaBean? -> find BeanConnection 
      else {
        beanconns = BeanConnection.getConnections();
        
        for (i = 0; i < beanconns.size(); i++) {
          conn = (BeanConnection) beanconns.get(i);
          if (    (conn.getSource() == (BeanInstance) m_BeanInstances.get(sourcePos))
               && (conn.getTarget() == (BeanInstance) m_BeanInstances.get(targetPos))
               && (conn.getEventName().equals(event)) ) {
            break;
          }
          conn = null;
        }
      }

View Full Code Here

   */
  public Element writeBeanConnection(Element parent, Object o, String name)
    throws Exception {
    
    Element           node;
    BeanConnection    beanconn;
    int               source;
    int               target;
    int               sourcePos;
    int               targetPos;


    // for debugging only
    if (DEBUG)
       trace(new Throwable(), name);
    
    m_CurrentNode = parent;
    
    beanconn = (BeanConnection) o;
    node     = null;


    // get position
    sourcePos = m_BeanInstances.indexOf(beanconn.getSource());
    targetPos = m_BeanInstances.indexOf(beanconn.getTarget());
    
    // get id (if Connection is from a Bean in the UserToolBar, it's not listed! -> ignore it)
    if ( (sourcePos > -1) && (targetPos > -1) ) {
      source = ((Integer) m_BeanInstancesID.get(sourcePos)).intValue();
      target = ((Integer) m_BeanInstancesID.get(targetPos)).intValue();
    }
    else {
       source = -1;
       target = -1;
    }
    
    // connection exists in the layout?
    if ( (source > -1) && (target > -1) ) {
      node = addElement(parent, name, beanconn.getClass().getName(), false);
  
      writeIntToXML(node, source, VAL_SOURCEID);
      writeIntToXML(node, target, VAL_TARGETID);
      invokeWriteToXML(node, beanconn.getEventName(), VAL_EVENTNAME);
      writeBooleanToXML(node, beanconn.isHidden(), VAL_HIDDEN);
    }
    
    return node;
  }

View Full Code Here

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