package lectures.mvc.properties;
import util.annotations.WebDocuments;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import lectures.composite.objects_shapes.ACartesianPlane;
import lectures.composite.objects_shapes.CartesianPlane;
import lectures.mvc.properties.atomic.APropertyListenerSupport;
import bus.uigen.ObjectEditor;
// ANOTHER EFFICIENT APPROACH BUT NOT MODULAR
@WebDocuments({"Lectures/MvcProperties.pptx", "Lectures/MvcProperties.pdf", "Videos/MvcProperties.avi"})
public class ADescendentNotifyingtObservableCartesianPlane extends ACartesianPlane implements ObservableCartesianPlane {
    PropertyListenerSupport propertySupport = new APropertyListenerSupport();
    public ADescendentNotifyingtObservableCartesianPlane (int theAxesLength, int theOriginX, int theOriginY ) {
        super(theAxesLength, theOriginX, theOriginY);    
        // Component objects are not changes, they are not obervables
    } 
    public void setAxesLength(int newVal) {
        int oldVal = getAxesLength();
        super.setAxesLength(newVal);
        int oldXAxisX = 0;
        int newXAxisX = 0;
        // Notifying change to child property
        propertySupport.notifyAllListeners(new PropertyChangeEvent(this, "axesLength", oldVal,
                newVal));
        // Notifying change to descendant property
        // Desirable?
        propertySupport. notifyAllListeners(new PropertyChangeEvent(xAxis, "X", oldXAxisX, newXAxisX));
       // ...
    }
    public void addPropertyChangeListener(PropertyChangeListener listener) {
        propertySupport.add(listener);
        
    }
    public static void main (String[] args) {
        CartesianPlane plane = new ADescendentNotifyingtObservableCartesianPlane(200, 125, 125);
        ObjectEditor.edit(plane);
    }   
}