/* * @topic T11347 Spring 2016 Inheritance Demo * @brief class Button extends Gadget */ package inheritance_demo; public class Button extends Gadget { //-------------------------------------- // data attributes //-------------------------------------- private String caption; private IClick eventHandler; //-------------------------------------- // constructors //-------------------------------------- public Button(int width, int height) { super( 0, 0, width, height ); }//Button public Button(int topx, int topy, int width, int height) { super( topx, topy, width, height ); }//Button //-------------------------------------- // operations //-------------------------------------- @Override public void show() { if ( visible ) { System.out.print( "Button: "+caption+" " ); } System.out.println(); }//show @Override public void hide() { visible = false; show(); }//hide @Override public void disable() { enabled = false; }//disable @Override public void enable() { enabled = true; }//enable // getters/setters public IClick getEventHandler() { return eventHandler; } public void setEventHandler(IClick eventHandler) { this.eventHandler = eventHandler; } public Button setCaption(String caption) { this.caption = caption; return this; } public String getCaption() { return caption; } }//class Button