/**
	Company:		Shout3D LLC
	Project:		Shout3D 2.0 Sample Code
	Class:			ExaminePanel with buttons to control it.
	Date:			Nov 1, 2000
	Description:	Class for ExaminePanel
	(C) Copyright Shout3D LLC. - 1997-2001 - All rights reserved
 */



package applets;

import java.awt.*;
import shout3d.*;

/**
 * A simple panel class that shows how to lay out buttons with a Shout3DPanel.
 * Puts up buttons to control the behavior of an ExaminePanel.
 */

public class ExamineWithButtonsApplet extends Shout3DApplet {

	// Buttons to select drag style:
	Label	 dragStyleLabel;
	Checkbox bySpeedCheckbox;
	Checkbox byOffsetCheckbox;

	// Buttons to change the center of rotation
	Label  centerSelectLabel;
	Button upButton;
	Button downButton;
	Button leftButton;
	Button rightButton;

	int BUTTON_HEIGHT = 25;

	// Reference to the panel.
	ExaminePanel myExaminePanel;

	/**
	 * Very important:
	 * Add buttons during initShout3DPanel, not during init().
	 */
	public void initShout3DPanel() {
		int width = size().width;
		int height = size().height;
		int panelHeight = height - 2 * BUTTON_HEIGHT;
		int panelWidth = width;
		int buttonWidth = width/5;

		panel = new ExaminePanel(this, panelWidth, panelHeight);
		myExaminePanel = (ExaminePanel) panel;

		dragStyleLabel = new Label("Drag Style:");
		bySpeedCheckbox  = new Checkbox("By Speed");
		bySpeedCheckbox.setState(true);
		byOffsetCheckbox = new Checkbox("By Offset");
		byOffsetCheckbox.setState(false);
		dragStyleLabel.reshape(0, panelHeight, buttonWidth, BUTTON_HEIGHT);
		bySpeedCheckbox.reshape( buttonWidth,   panelHeight, buttonWidth, BUTTON_HEIGHT);
		byOffsetCheckbox.reshape(2*buttonWidth, panelHeight, buttonWidth, BUTTON_HEIGHT);
		add(dragStyleLabel);
		add(bySpeedCheckbox);
		add(byOffsetCheckbox);

		centerSelectLabel = new Label("Move Center:");
		upButton	= new Button("Up");
		downButton  = new Button("Down");
		leftButton  = new Button("Left");
		rightButton = new Button("Right");
		centerSelectLabel.reshape(0, panelHeight+BUTTON_HEIGHT,     buttonWidth, BUTTON_HEIGHT);
		upButton.reshape(      buttonWidth,   panelHeight+BUTTON_HEIGHT, buttonWidth, BUTTON_HEIGHT);
		downButton.reshape(  2*buttonWidth,   panelHeight+BUTTON_HEIGHT, buttonWidth, BUTTON_HEIGHT);
		leftButton.reshape(  3*buttonWidth,   panelHeight+BUTTON_HEIGHT, buttonWidth, BUTTON_HEIGHT);
		rightButton.reshape( 4*buttonWidth,   panelHeight+BUTTON_HEIGHT, buttonWidth, BUTTON_HEIGHT);
		add(centerSelectLabel);
		add(upButton);
		add(downButton);
		add(leftButton);
		add(rightButton);
	}

	public boolean action(Event e, Object o) {
		if (e.target instanceof Checkbox) {
			// Select a dragStyle.
			Checkbox c = (Checkbox) e.target;
			boolean isBySpeed = true;
			if (c == bySpeedCheckbox) {
				isBySpeed = bySpeedCheckbox.getState();
				byOffsetCheckbox.setState(!isBySpeed);
			}
			else if (c == byOffsetCheckbox){
				isBySpeed = !byOffsetCheckbox.getState();
				bySpeedCheckbox.setState(isBySpeed);
			}
			myExaminePanel.currentDragStyle = (isBySpeed) ? ExaminePanel.BY_SPEED :
															ExaminePanel.BY_OFFSET;
		}
		if (e.target instanceof Button) {
			if (e.target == upButton) {
				myExaminePanel.rotationCenter    = myExaminePanel.bboxCenter;
				myExaminePanel.rotationCenter[1] = myExaminePanel.rotationCenter[1]+1;
				myExaminePanel.resetCamera();
				return true;
			}
			if (e.target == leftButton) {
				myExaminePanel.rotationCenter = myExaminePanel.bboxCenter;
				myExaminePanel.rotationCenter[0] = myExaminePanel.rotationCenter[0]-1;
				myExaminePanel.resetCamera();
				return true;
			}
			if (e.target == rightButton) {
				myExaminePanel.rotationCenter = myExaminePanel.bboxCenter;
				myExaminePanel.rotationCenter[0] = myExaminePanel.rotationCenter[0]+1;
				myExaminePanel.resetCamera();
				return true;
			}
			if (e.target == downButton) {
				myExaminePanel.rotationCenter = myExaminePanel.bboxCenter;
				myExaminePanel.rotationCenter[1] = myExaminePanel.rotationCenter[1]-1;
				myExaminePanel.resetCamera();
				return true;
			}
			return false;
		}

		//not a button event
		return false;

	}//end of action method
}