DefineButton.java

// Copyright 2001, FreeHEP.
package org.freehep.graphicsio.swf;

import java.io.IOException;
import java.util.Vector;

import org.freehep.util.io.Action;

/**
 * DefineButton TAG.
 * 
 * @author Mark Donszelmann
 * @author Charles Loomis
 * @version $Id: freehep-graphicsio-swf/src/main/java/org/freehep/graphicsio/swf/DefineButton.java db861da05344 2005/12/05 00:59:43 duns $
 */
public class DefineButton extends DefinitionTag {

    private int character;

    private Vector<ButtonRecord> buttons;

    private Vector<Action> actions;

    public DefineButton(int id, Vector<ButtonRecord> buttons, Vector<Action> actions) {
        this();
        character = id;
        this.buttons = buttons;
        this.actions = actions;
    }

    public DefineButton() {
        super(7, 1);
    }

    public SWFTag read(int tagID, SWFInputStream swf, int len)
            throws IOException {

        DefineButton tag = new DefineButton();
        tag.character = swf.readUnsignedShort();
        swf.getDictionary().put(tag.character, tag);

        tag.buttons = new Vector<ButtonRecord>();
        ButtonRecord record = new ButtonRecord(swf, false);
        while (!record.isEndRecord()) {
            tag.buttons.add(record);
            record = new ButtonRecord(swf, false);
        }

        tag.actions = new Vector<Action>();
        Action action = swf.readAction();
        while (action != null) {
            tag.actions.add(action);
            action = swf.readAction();
        }
        return tag;
    }

    public void write(int tagID, SWFOutputStream swf) throws IOException {

        swf.writeUnsignedShort(character);
        for (int i = 0; i < buttons.size(); i++) {
            ButtonRecord b = buttons.get(i);
            b.write(swf);
        }
        swf.writeUnsignedByte(0);

        for (int i = 0; i < actions.size(); i++) {
            Action a = actions.get(i);
            swf.writeAction(a);
        }
        swf.writeAction(null);
    }

    public String toString() {
        StringBuffer s = new StringBuffer();
        s.append(super.toString() + "\n");
        s.append("  character:  " + character + "\n");
        for (int i = 0; i < buttons.size(); i++) {
            s.append("  ");
            s.append(buttons.get(i));
            s.append("\n");
        }
        for (int i = 0; i < actions.size(); i++) {
            s.append("  ");
            s.append(actions.get(i));
            s.append("\n");
        }
        return s.toString();
    }
}