6.5 connectionElementModel

除了elementModel外，还有两个父类。

1.与label的显示有关的类吧。

public interface IShowHideLabel {

    public void setLabelShow(Object sel, boolean show);

    public boolean isLabelShow(Object sel);

    public boolean hasShowHideLabel(Object sel);

}

2.与连接有关的类

public interface IConnectMessage {

    public boolean canConnect(PortInstanceModel port);

    public void connectToPort(PortInstanceModel port);   不需要定义connectFromPort么？

    public PortInstanceModel getPort();

    public boolean isResizableMessage();  做什么的？

}

3.connectionElementModel

public abstract class ConnectionElementModel extends ElementModel

        implements IShowHideLabel,IConnectMessage{

public ConnectionElementModel(String label, String modelID, Dimension size) {

        super(label, modelID,size);

        // TODO Auto-generated constructor stub

        directionShow = false;

        valueShow = false;

        senderShow = false;

        paramShow = false;

        typeOrProcShow = false;

        templateShow =false;

    }

6.5 connectionElementModel