list2.java

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//:List2.java 
// Using lists with handleEvent()
import java.awt.*;
import java.applet.*;

public class List2 extends Applet {
	String[] flavors = { "Chocolate","Strawberry",
		"Vanilla Fudge Swirl", "Mint Cchuip",
		"Mocha Almond Fudge", "Rum Raisin",
		"Praline Cream", "Mud Pie"};
	// Show 6 items, allow multiple selection:
	List lst = new List(6,true);
	TextArea t= new TextArea(flavors.length,30);
	Button b=new Button("text");
	int count = 0;

	public void init() {
		t.setEditable(false);
		for ( int i=0; i<4; ++i )
			lst.addItem(flavors[count++]);
		add(t);
		add(lst);
		add(b);
	}

	public boolean handleEvent(Event evt) {
		if (evt.id == Event.LIST_SELECT ||
			evt.id == Event.LIST_DESELECT) { 
			if (evt.target.equals(lst)) {
				t.setText("");
				String[] items = lst.getSelectedItems();
				for(int i = 0; i < items.length; i++)
					t.appendText(items[i]+"\n");
			}
			else
				return super.handleEvent(evt);
		}
		else
			return super.handleEvent(evt);
		return true;
	}

	public boolean action(Event evt, Object arg) {
		if (evt.target.equals(b)) {
			lst.addItem(flavors[count++],0);
		}
		else
			return super.action(evt,arg);
		return true;
	}
}

//	<applet code=List2.class width=250 height=300></applet>