examples/org.eclipse.swt.examples.browser.demos/src/org/eclipse/swt/examples/browser/demos/views/PawnTab.java - platform/eclipse.platform.swt - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2004 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.swt.examples.browser.demos.views;

 import org.eclipse.jface.action.Action;
 import org.eclipse.swt.*;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.swt.browser.*;
 import org.eclipse.swt.examples.browser.demos.BrowserDemoPlugin;
 import org.eclipse.swt.examples.browser.demos.Pawns;

 public class PawnTab {

 	Action pawnAction;
 	Action editAction;

 	Browser browser = null;
 	ReversiListener reversiListener;

 	final static int TYPE_WELCOME = 1;
 	final static int TYPE_START = 2;
 	final static int TYPE_BOARD = 3;
 	final static int TYPE_BOARD_OVER = 4;

 	final static String URL = "http://www.org.eclipse.swt.examples.browser.demos.pawns/";
 	static String PLUGIN_PATH = BrowserDemoPlugin.PLUGIN_PATH;
 	static String CSS_FOLDER = "css2";
 	static String URL_CSS = PLUGIN_PATH+CSS_FOLDER+"/style.css";
 	static String URL_WELCOME =PLUGIN_PATH+CSS_FOLDER+"/welcome.html";

 	final static String ACTION_START_2_PLAYERS = "actionstart2players";
 	final static String ACTION_START_1_PLAYER = "actionstart1player";
 	final static String ACTION_WHITE = "actionwhite";
 	final static String ACTION_BLACK = "actionblack";
 	final static String ACTION_THEME = "actiontheme";

 	static byte[][] game = null;
 	static boolean isWhite = true;
 	static int cntWhite = 0, cntBlack = 0;
 	static boolean computer = false;
 	static int cx, cy;
 	final static byte EMPTY = 0;
 	final static byte WHITE = 1;
 	final static byte BLACK = 2;
 	final static byte WALL = 3;

 	static Pawns ttr = null;
 	static int[] move = new int[2];
 	static Menu menu = null;

 	public PawnTab(TabItem item) {
 		try {
 			browser = new Browser(item.getParent(), SWT.NONE);
 		} catch (SWTError e) {
 			e.printStackTrace();
 			return;
 		}
 		item.setText("Pawns");
 		item.setControl(browser);

 		menu = new Menu(browser.getShell(), SWT.POP_UP);
 		MenuItem item2 = new MenuItem(menu, SWT.PUSH);
 		item2.setText("End Game");
 		item2.addListener(SWT.Selection, new Listener() {
 			public void handleEvent(Event e) {
 				game = null;
 				isWhite = true;
 				cntWhite = 0; cntBlack = 0;
 				ttr = null;
 				browser.setUrl(URL_WELCOME);
 			}
 		});
 		browser.setMenu(menu);

 		reversiListener = new ReversiListener();
 		browser.addLocationListener(reversiListener);
 		browser.setUrl(URL_WELCOME);
 	}

 	static String getHtml(int type) {
 		String html = null;
 		switch (type) {
 		case TYPE_BOARD:
 		case TYPE_BOARD_OVER: {
 			html = "<html><header><link rel=\"stylesheet\" type=\"text/css\" href=\""+URL_CSS+"\"></header><body><div class=\"board\"><table><tbody>";
 			String classPlayerWhite = "playerwhite", classPlayerBlack = "playerblack";
 			if (type == TYPE_BOARD_OVER) {
 				if (cntWhite > cntBlack) {
 					classPlayerWhite += " winner";
 					classPlayerBlack += " loser";
 				} else {
 					classPlayerWhite += " loser";
 					classPlayerBlack += " winner";
 				}
 			}
 			String white = "<td class=\"white\"/>";
 			String black = "<td class=\"black\"/>";
 			String wall = "<td class=\"wall\"/>";
 			for (int i = 0; i < game.length; i++) {
 				html += "<tr>";
 				for (int j = 0; j < game[0].length; j++) {
 					switch (game[i][j]) {
 						case EMPTY: {
 							String empty = "<td class=\""+(isWhite ? "whitelink" : "blacklink")+"\">"+ (isWhite || (!isWhite && !computer) ? "<a href=\""+URL+(isWhite ? ACTION_WHITE : ACTION_BLACK)+"/xx"+i+"yy"+j+"\" class=\"empty\"/>" : "<div class=\"empty\"/>")+"</td>";
 							html += empty; break;
 						}
 						case WHITE: html += white; break;
 						case BLACK: html += black; break;
 						case WALL: html += wall; break;
 					}
 				}
 				html +="</tr>";
 			}
 			html += "</tbody></table></div>";
 			html += "<div class=\""+classPlayerWhite+"\">"+cntWhite+"</div>";
 			html += "<div class=\""+classPlayerBlack+"\">"+cntBlack+"</div>";
 			html += "</body></html>";
 			break;
 		}
 		}
 		return html;
 	}

 	public class ReversiListener implements LocationListener {
 		public void changed(LocationEvent e) {
 		}
 		public void changing(LocationEvent e) {
 			try {
 			final Browser browser = (Browser)e.widget;
 			if (e.location.indexOf(ACTION_START_1_PLAYER) != -1 || e.location.indexOf(ACTION_START_2_PLAYERS) != -1) {
 				computer = e.location.indexOf(ACTION_START_1_PLAYER) != -1;
 				game = new byte[8][8];
 				if (computer) ttr = new Pawns();
 				for (int i = 0; i < 5; i++) game[(int)(Math.random()*game.length)][(int)(Math.random()*game[0].length)] = WALL;
 				e.display.asyncExec(new Runnable() {
 					public void run() {
 						browser.setText(getHtml(TYPE_BOARD));
 				}});
 				e.doit = false;
 				return;
 			}
 			if (e.location.indexOf(ACTION_THEME) != -1) {
 				int index = e.location.indexOf(ACTION_THEME) + ACTION_THEME.length() + 1;
 				CSS_FOLDER = e.location.substring(index, index + 4);
 				URL_CSS = PLUGIN_PATH+CSS_FOLDER+"/style.css";
 				URL_WELCOME = PLUGIN_PATH+CSS_FOLDER+"/welcome.html";
 				e.display.asyncExec(new Runnable() {
 					public void run() {
 						browser.setUrl(URL_WELCOME);
 				}});
 				e.doit = false;
 				return;
 			}
 			byte player = EMPTY;
 			if (e.location.indexOf(ACTION_WHITE) != -1) player = WHITE;
 			else if (e.location.indexOf(ACTION_BLACK) != -1) player = BLACK;
 			if (player != EMPTY) {
 				int index = e.location.indexOf("xx") + 2;
 				int x = Integer.parseInt(e.location.substring(index, index + 1));
 				index = e.location.indexOf("yy") + 2;
 				int y = Integer.parseInt(e.location.substring(index, index + 1));
 				boolean hasMore = add(x, y, player);
 				isWhite = player != WHITE;
 				browser.setText(getHtml(hasMore ? TYPE_BOARD : TYPE_BOARD_OVER));
 				if (computer && hasMore && !isWhite) play(e.display, browser, 5000);
 				e.doit = false;
 			}
 			}catch (Exception e1 ) {
 				e1.printStackTrace();
 			}
 		}
 	}

 	public static boolean add(int x, int y, byte color) {
 		game[x][y] = color;
 		int cnt = Math.min(x, y), n = 0;
 		int other_color = color == WHITE ? BLACK : WHITE;
 		for (int d = 1; d <= cnt; d++) {
 			if (game[x-d][y-d] == other_color) n++;
 			else if (game[x-d][y-d] != color) break;
 			else { if (n > 0) for (d = 1; d <= n; d++) game[x-d][y-d] = color; break; }
 		}
 		cnt = Math.min(game.length - 1 - x, game[0].length - 1 - y); n = 0;
 		for (int d = 1; d <= cnt; d++) {
 			if (game[x+d][y+d] == other_color) n++;
 			else if (game[x+d][y+d] != color) break;
 			else { if (n > 0) for (d = 1; d <= n; d++) game[x+d][y+d] = color; break; }
 		}
 		cnt = Math.min(game.length - 1 - x, y); n = 0;
 		for (int d = 1; d <= cnt; d++) {
 			if (game[x+d][y-d] == other_color) n++;
 			else if (game[x+d][y-d] != color) break;
 			else { if (n > 0) for (d = 1; d <= n; d++) game[x+d][y-d] = color; break; }
 		}
 		cnt = Math.min(x, game[0].length - 1 - y); n = 0;
 		for (int d = 1; d <= cnt; d++) {
 			if (game[x-d][y+d] == other_color) n++;
 			else if (game[x-d][y+d] != color) break;
 			else { if (n > 0) for (d = 1; d <= n; d++) game[x-d][y+d] = color; break; }
 		}
 		cnt = y; n = 0;
 		for (int d = 1; d <= cnt; d++) {
 			if (game[x][y-d] == other_color) n++;
 			else if (game[x][y-d] != color) break;
 			else { if (n > 0) for (d = 1; d <= n; d++) game[x][y-d] = color; break; }
 		}
 		cnt = game[0].length - 1 - y; n = 0;
 		for (int d = 1; d <= cnt; d++) {
 			if (game[x][y+d] == other_color) n++;
 			else if (game[x][y+d] != color) break;
 			else { if (n > 0) for (d = 1; d <= n; d++) game[x][y+d] = color; break; }
 		}
 		cnt = x; n = 0;
 		for (int d = 1; d <= cnt; d++) {
 			if (game[x-d][y] == other_color) n++;
 			else if (game[x-d][y] != color) break;
 			else { if (n > 0) for (d = 1; d <= n; d++) game[x-d][y] = color; break; }
 		}
 		cnt = game.length - 1 - x; n = 0;
 		for (int d = 1; d <= cnt; d++) {
 			if (game[x+d][y] == other_color) n++;
 			else if (game[x+d][y] != color) break;
 			else { if (n > 0) for (d = 1; d <= n; d++) game[x+d][y] = color; break; }
 		}

 		boolean hasMore = false;
 		cntWhite = 0; cntBlack = 0;
 		for (int i = 0; i < game.length; i++)
 			for (int j = 0; j < game[0].length; j++) {
 				switch (game[i][j]) {
 					case EMPTY: hasMore = true; break;
 					case WHITE: cntWhite++; break;
 					case BLACK: cntBlack++; break;
 				}
 			}
 		return hasMore;
 	}

 	public static void play(final Display display, final Browser browser, int delay) {
 		ttr.playRequest(game, BLACK);
 		display.timerExec(3000, new Runnable() {
 				public void run() {
 					ttr.getBestMove(move);
 					boolean hasMore = add(move[0], move[1], BLACK);
 					isWhite = true;
 					browser.setText(getHtml(hasMore ? TYPE_BOARD : TYPE_BOARD_OVER));
 				}
 		});
 	}

 	public static void main(String[] args) {
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2004 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.swt.examples.browser.demos.views;

	import org.eclipse.jface.action.Action;
	import org.eclipse.swt.*;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.swt.browser.*;
	import org.eclipse.swt.examples.browser.demos.BrowserDemoPlugin;
	import org.eclipse.swt.examples.browser.demos.Pawns;

	public class PawnTab {

	Action pawnAction;
	Action editAction;

	Browser browser = null;
	ReversiListener reversiListener;

	final static int TYPE_WELCOME = 1;
	final static int TYPE_START = 2;
	final static int TYPE_BOARD = 3;
	final static int TYPE_BOARD_OVER = 4;

	final static String URL = "http://www.org.eclipse.swt.examples.browser.demos.pawns/";
	static String PLUGIN_PATH = BrowserDemoPlugin.PLUGIN_PATH;
	static String CSS_FOLDER = "css2";
	static String URL_CSS = PLUGIN_PATH+CSS_FOLDER+"/style.css";
	static String URL_WELCOME =PLUGIN_PATH+CSS_FOLDER+"/welcome.html";

	final static String ACTION_START_2_PLAYERS = "actionstart2players";
	final static String ACTION_START_1_PLAYER = "actionstart1player";
	final static String ACTION_WHITE = "actionwhite";
	final static String ACTION_BLACK = "actionblack";
	final static String ACTION_THEME = "actiontheme";

	static byte[][] game = null;
	static boolean isWhite = true;
	static int cntWhite = 0, cntBlack = 0;
	static boolean computer = false;
	static int cx, cy;
	final static byte EMPTY = 0;
	final static byte WHITE = 1;
	final static byte BLACK = 2;
	final static byte WALL = 3;

	static Pawns ttr = null;
	static int[] move = new int[2];
	static Menu menu = null;

	public PawnTab(TabItem item) {
	try {
	browser = new Browser(item.getParent(), SWT.NONE);
	} catch (SWTError e) {
	e.printStackTrace();
	return;
	}
	item.setText("Pawns");
	item.setControl(browser);

	menu = new Menu(browser.getShell(), SWT.POP_UP);
	MenuItem item2 = new MenuItem(menu, SWT.PUSH);
	item2.setText("End Game");
	item2.addListener(SWT.Selection, new Listener() {
	public void handleEvent(Event e) {
	game = null;
	isWhite = true;
	cntWhite = 0; cntBlack = 0;
	ttr = null;
	browser.setUrl(URL_WELCOME);
	}
	});
	browser.setMenu(menu);

	reversiListener = new ReversiListener();
	browser.addLocationListener(reversiListener);
	browser.setUrl(URL_WELCOME);
	}

	static String getHtml(int type) {
	String html = null;
	switch (type) {
	case TYPE_BOARD:
	case TYPE_BOARD_OVER: {
	html = "<html><header><link rel=\"stylesheet\" type=\"text/css\" href=\""+URL_CSS+"\"></header><body><div class=\"board\"><table><tbody>";
	String classPlayerWhite = "playerwhite", classPlayerBlack = "playerblack";
	if (type == TYPE_BOARD_OVER) {
	if (cntWhite > cntBlack) {
	classPlayerWhite += " winner";
	classPlayerBlack += " loser";
	} else {
	classPlayerWhite += " loser";
	classPlayerBlack += " winner";
	}
	}
	String white = "<td class=\"white\"/>";
	String black = "<td class=\"black\"/>";
	String wall = "<td class=\"wall\"/>";
	for (int i = 0; i < game.length; i++) {
	html += "<tr>";
	for (int j = 0; j < game[0].length; j++) {
	switch (game[i][j]) {
	case EMPTY: {
	String empty = "<td class=\""+(isWhite ? "whitelink" : "blacklink")+"\">"+ (isWhite \|\| (!isWhite && !computer) ? "<a href=\""+URL+(isWhite ? ACTION_WHITE : ACTION_BLACK)+"/xx"+i+"yy"+j+"\" class=\"empty\"/>" : "<div class=\"empty\"/>")+"</td>";
	html += empty; break;
	}
	case WHITE: html += white; break;
	case BLACK: html += black; break;
	case WALL: html += wall; break;
	}
	}
	html +="</tr>";
	}
	html += "</tbody></table></div>";
	html += "<div class=\""+classPlayerWhite+"\">"+cntWhite+"</div>";
	html += "<div class=\""+classPlayerBlack+"\">"+cntBlack+"</div>";
	html += "</body></html>";
	break;
	}
	}
	return html;
	}

	public class ReversiListener implements LocationListener {
	public void changed(LocationEvent e) {
	}
	public void changing(LocationEvent e) {
	try {
	final Browser browser = (Browser)e.widget;
	if (e.location.indexOf(ACTION_START_1_PLAYER) != -1 \|\| e.location.indexOf(ACTION_START_2_PLAYERS) != -1) {
	computer = e.location.indexOf(ACTION_START_1_PLAYER) != -1;
	game = new byte[8][8];
	if (computer) ttr = new Pawns();
	for (int i = 0; i < 5; i++) game[(int)(Math.random()game.length)][(int)(Math.random()game[0].length)] = WALL;
	e.display.asyncExec(new Runnable() {
	public void run() {
	browser.setText(getHtml(TYPE_BOARD));
	}});
	e.doit = false;
	return;
	}
	if (e.location.indexOf(ACTION_THEME) != -1) {
	int index = e.location.indexOf(ACTION_THEME) + ACTION_THEME.length() + 1;
	CSS_FOLDER = e.location.substring(index, index + 4);
	URL_CSS = PLUGIN_PATH+CSS_FOLDER+"/style.css";
	URL_WELCOME = PLUGIN_PATH+CSS_FOLDER+"/welcome.html";
	e.display.asyncExec(new Runnable() {
	public void run() {
	browser.setUrl(URL_WELCOME);
	}});
	e.doit = false;
	return;
	}
	byte player = EMPTY;
	if (e.location.indexOf(ACTION_WHITE) != -1) player = WHITE;
	else if (e.location.indexOf(ACTION_BLACK) != -1) player = BLACK;
	if (player != EMPTY) {
	int index = e.location.indexOf("xx") + 2;
	int x = Integer.parseInt(e.location.substring(index, index + 1));
	index = e.location.indexOf("yy") + 2;
	int y = Integer.parseInt(e.location.substring(index, index + 1));
	boolean hasMore = add(x, y, player);
	isWhite = player != WHITE;
	browser.setText(getHtml(hasMore ? TYPE_BOARD : TYPE_BOARD_OVER));
	if (computer && hasMore && !isWhite) play(e.display, browser, 5000);
	e.doit = false;
	}
	}catch (Exception e1 ) {
	e1.printStackTrace();
	}
	}
	}

	public static boolean add(int x, int y, byte color) {
	game[x][y] = color;
	int cnt = Math.min(x, y), n = 0;
	int other_color = color == WHITE ? BLACK : WHITE;
	for (int d = 1; d <= cnt; d++) {
	if (game[x-d][y-d] == other_color) n++;
	else if (game[x-d][y-d] != color) break;
	else { if (n > 0) for (d = 1; d <= n; d++) game[x-d][y-d] = color; break; }
	}
	cnt = Math.min(game.length - 1 - x, game[0].length - 1 - y); n = 0;
	for (int d = 1; d <= cnt; d++) {
	if (game[x+d][y+d] == other_color) n++;
	else if (game[x+d][y+d] != color) break;
	else { if (n > 0) for (d = 1; d <= n; d++) game[x+d][y+d] = color; break; }
	}
	cnt = Math.min(game.length - 1 - x, y); n = 0;
	for (int d = 1; d <= cnt; d++) {
	if (game[x+d][y-d] == other_color) n++;
	else if (game[x+d][y-d] != color) break;
	else { if (n > 0) for (d = 1; d <= n; d++) game[x+d][y-d] = color; break; }
	}
	cnt = Math.min(x, game[0].length - 1 - y); n = 0;
	for (int d = 1; d <= cnt; d++) {
	if (game[x-d][y+d] == other_color) n++;
	else if (game[x-d][y+d] != color) break;
	else { if (n > 0) for (d = 1; d <= n; d++) game[x-d][y+d] = color; break; }
	}
	cnt = y; n = 0;
	for (int d = 1; d <= cnt; d++) {
	if (game[x][y-d] == other_color) n++;
	else if (game[x][y-d] != color) break;
	else { if (n > 0) for (d = 1; d <= n; d++) game[x][y-d] = color; break; }
	}
	cnt = game[0].length - 1 - y; n = 0;
	for (int d = 1; d <= cnt; d++) {
	if (game[x][y+d] == other_color) n++;
	else if (game[x][y+d] != color) break;
	else { if (n > 0) for (d = 1; d <= n; d++) game[x][y+d] = color; break; }
	}
	cnt = x; n = 0;
	for (int d = 1; d <= cnt; d++) {
	if (game[x-d][y] == other_color) n++;
	else if (game[x-d][y] != color) break;
	else { if (n > 0) for (d = 1; d <= n; d++) game[x-d][y] = color; break; }
	}
	cnt = game.length - 1 - x; n = 0;
	for (int d = 1; d <= cnt; d++) {
	if (game[x+d][y] == other_color) n++;
	else if (game[x+d][y] != color) break;
	else { if (n > 0) for (d = 1; d <= n; d++) game[x+d][y] = color; break; }
	}

	boolean hasMore = false;
	cntWhite = 0; cntBlack = 0;
	for (int i = 0; i < game.length; i++)
	for (int j = 0; j < game[0].length; j++) {
	switch (game[i][j]) {
	case EMPTY: hasMore = true; break;
	case WHITE: cntWhite++; break;
	case BLACK: cntBlack++; break;
	}
	}
	return hasMore;
	}

	public static void play(final Display display, final Browser browser, int delay) {
	ttr.playRequest(game, BLACK);
	display.timerExec(3000, new Runnable() {
	public void run() {
	ttr.getBestMove(move);
	boolean hasMore = add(move[0], move[1], BLACK);
	isWhite = true;
	browser.setText(getHtml(hasMore ? TYPE_BOARD : TYPE_BOARD_OVER));
	}
	});
	}

	public static void main(String[] args) {
	}
	}