abstractdrawingaction.java

高级java2 大学教程(含源码,经典的Java学习教程

// AbstractDrawingAction.java
// AbstractDrawingAction is an Action implementation that
// provides set and get methods for common Action properties.
package com.deitel.advjhtp1.drawing;

// Java core packages
import java.awt.event.*;

// Java extension packages
import javax.swing.*;

public abstract class AbstractDrawingAction 
   extends AbstractAction {
   
   // construct AbstractDrawingAction with given name, icon
   // description and mnemonic key
   public AbstractDrawingAction( String name, Icon icon, 
      String description, Integer mnemonic)
   {
      setName( name );
      setSmallIcon( icon );
      setShortDescription( description );
      setMnemonic( mnemonic );
   }
   
   // set Action name
   public void setName( String name )
   {
      putValue( Action.NAME, name );
   }
   
   // set Action Icon
   public void setSmallIcon( Icon icon )
   {
      putValue( Action.SMALL_ICON, icon );
   }
   
   // set Action short description
   public void setShortDescription( String description )
   {
      putValue( Action.SHORT_DESCRIPTION, description );
   }
   
   // set Action mnemonic key
   public void setMnemonic( Integer mnemonic ) 
   {
      putValue( Action.MNEMONIC_KEY, mnemonic );
   }
   
   // abstract actionPerformed method to be implemented
   // by concrete subclasses
   public abstract void actionPerformed( ActionEvent event );
}

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