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First working tic tac toe logic

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This commit is contained in:
Marcel Schwarz 2021-11-03 23:12:56 +01:00
parent e55095f933
commit 73323ce7b3
24 changed files with 981 additions and 0 deletions
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# User-specific stuff
**/.idea/**/workspace.xml
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**/.idea/**/usage.statistics.xml
**/.idea/**/dictionaries
**/.idea/**/shelf
# Generated files
**/.idea/**/contentModel.xml
# Sensitive or high-churn files
**/.idea/**/dataSources/
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**/.idea/**/dataSources.local.xml
**/.idea/**/sqlDataSources.xml
**/.idea/**/dynamic.xml
**/.idea/**/uiDesigner.xml
**/.idea/**/dbnavigator.xml
# Gradle
**/.idea/**/gradle.xml
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# Gradle and Maven with auto-import
# When using Gradle or Maven with auto-import, you should exclude module files,
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# Default ignored files
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# Editor-based HTTP Client requests
/httpRequests/
# Datasource local storage ignored files
/dataSources/
/dataSources.local.xml

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UltimateTicTacToe

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="RemoteRepositoriesConfiguration">
<remote-repository>
<option name="id" value="central" />
<option name="name" value="Maven Central repository" />
<option name="url" value="https://repo1.maven.org/maven2" />
</remote-repository>
<remote-repository>
<option name="id" value="jboss.community" />
<option name="name" value="JBoss Community repository" />
<option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
</remote-repository>
<remote-repository>
<option name="id" value="MavenRepo" />
<option name="name" value="MavenRepo" />
<option name="url" value="https://repo.maven.apache.org/maven2/" />
</remote-repository>
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ExternalStorageConfigurationManager" enabled="true" />
<component name="FrameworkDetectionExcludesConfiguration">
<file type="web" url="file://$PROJECT_DIR$" />
</component>
<component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="17" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/out" />
</component>
</project>

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.idea/runConfigurations/Link.xml generated Normal file
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<component name="ProjectRunConfigurationManager">
<configuration default="false" name="Link" type="GradleRunConfiguration" factoryName="Gradle">
<ExternalSystemSettings>
<option name="executionName" />
<option name="externalProjectPath" value="$PROJECT_DIR$" />
<option name="externalSystemIdString" value="GRADLE" />
<option name="scriptParameters" value="jlinkZip" />
<option name="taskDescriptions">
<list />
</option>
<option name="taskNames">
<list />
</option>
<option name="vmOptions" />
</ExternalSystemSettings>
<ExternalSystemDebugServerProcess>true</ExternalSystemDebugServerProcess>
<ExternalSystemReattachDebugProcess>true</ExternalSystemReattachDebugProcess>
<DebugAllEnabled>false</DebugAllEnabled>
<method v="2" />
</configuration>
</component>

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.idea/runConfigurations/Run.xml generated Normal file
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<component name="ProjectRunConfigurationManager">
<configuration default="false" name="Run" type="Application" factoryName="Application">
<option name="MAIN_CLASS_NAME" value="de.icaotix.ultimatetictactoe.Main" />
<module name="UltimateTicTacToe.main" />
<extension name="coverage">
<pattern>
<option name="PATTERN" value="de.icaotix.ultimatetictactoe.*" />
<option name="ENABLED" value="true" />
</pattern>
</extension>
<method v="2">
<option name="Make" enabled="true" />
</method>
</configuration>
</component>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="Git" />
</component>
</project>

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build.gradle Normal file
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plugins {
id 'java'
}
group 'de.icaotix.ultimatetictactoe'
version '1.0-SNAPSHOT'
repositories {
mavenCentral()
}
dependencies {
testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.1'
testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.1'
}
test {
useJUnitPlatform()
}

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gradle/wrapper/gradle-wrapper.properties vendored Normal file
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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-all.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

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#!/usr/bin/env sh
#
# Copyright 2015 the original author or authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
##############################################################################
##
## Gradle start up script for UN*X
##
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG=`dirname "$PRG"`"/$link"
fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/" >/dev/null
APP_HOME="`pwd -P`"
cd "$SAVED" >/dev/null
APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn () {
echo "$*"
}
die () {
echo
echo "$*"
echo
exit 1
}
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MSYS* | MINGW* )
msys=true
;;
NONSTOP* )
nonstop=true
;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
MAX_FD_LIMIT=`ulimit -H -n`
if [ $? -eq 0 ] ; then
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
MAX_FD="$MAX_FD_LIMIT"
fi
ulimit -n $MAX_FD
if [ $? -ne 0 ] ; then
warn "Could not set maximum file descriptor limit: $MAX_FD"
fi
else
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
fi
fi
# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
# For Cygwin or MSYS, switch paths to Windows format before running java
if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`
# We build the pattern for arguments to be converted via cygpath
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
SEP=""
for dir in $ROOTDIRSRAW ; do
ROOTDIRS="$ROOTDIRS$SEP$dir"
SEP="|"
done
OURCYGPATTERN="(^($ROOTDIRS))"
# Add a user-defined pattern to the cygpath arguments
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
fi
# Now convert the arguments - kludge to limit ourselves to /bin/sh
i=0
for arg in "$@" ; do
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
else
eval `echo args$i`="\"$arg\""
fi
i=`expr $i + 1`
done
case $i in
0) set -- ;;
1) set -- "$args0" ;;
2) set -- "$args0" "$args1" ;;
3) set -- "$args0" "$args1" "$args2" ;;
4) set -- "$args0" "$args1" "$args2" "$args3" ;;
5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi
# Escape application args
save () {
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
echo " "
}
APP_ARGS=`save "$@"`
# Collect all arguments for the java command, following the shell quoting and substitution rules
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
exec "$JAVACMD" "$@"

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@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto execute
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

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settings.gradle Normal file
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rootProject.name = 'UltimateTicTacToe'

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src/main/java/ultimatetictactoe/Main.java Normal file
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package ultimatetictactoe;
import ultimatetictactoe.view.UltimateTicTacToeView;
import ultimatetictactoe.viewmodel.UltimateTicTacToePanelViewModel;
import javax.swing.*;
public class Main {
public static void main(String[] args) {
SwingUtilities.invokeLater(() -> {
final UltimateTicTacToePanelViewModel ultimateTicTacToePanelViewModel = new UltimateTicTacToePanelViewModel();
new UltimateTicTacToeView(ultimateTicTacToePanelViewModel);
ultimateTicTacToePanelViewModel.prepareNextMove();
});
}
}

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src/main/java/ultimatetictactoe/model/CellState.java Normal file
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package ultimatetictactoe.model;
public enum CellState {
X("X"),
O("O"),
EMPTY("");
public String displayText;
CellState(String displayText) {
this.displayText = displayText;
}
}

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src/main/java/ultimatetictactoe/model/GameState.java Normal file
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package ultimatetictactoe.model;
public enum GameState {
X_WON("X won"),
O_WON("O won"),
DRAW("Draw"),
RUNNING("Still running");
public String displayText;
GameState(String displayText) {
this.displayText = displayText;
}
}

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src/main/java/ultimatetictactoe/model/Player.java Normal file
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package ultimatetictactoe.model;
public enum Player {
X,
O
}

103
src/main/java/ultimatetictactoe/model/TicTacToeGame.java Normal file
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package ultimatetictactoe.model;
import java.util.Arrays;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
public class TicTacToeGame {
public static final Integer[][] winningCombinations = new Integer[][]{
{0, 1, 2},
{3, 4, 5},
{6, 7, 8},
{0, 3, 6},
{1, 4, 7},
{2, 5, 8},
{0, 4, 8},
{2, 4, 6}
};
private final CellState[] cells;
private GameState state;
public TicTacToeGame() {
this.cells = new CellState[9];
Arrays.fill(cells, CellState.EMPTY);
this.state = GameState.RUNNING;
}
public void setCellState(int cell, CellState state) {
if (this.state != GameState.RUNNING) return;
if (this.cells[cell] == CellState.EMPTY) {
this.cells[cell] = state;
updateGameState();
}
}
public CellState[] getCells() {
return cells;
}
public List<Integer> getAvailableFields() {
final LinkedList<Integer> emptyFields = new LinkedList<>();
for (int i = 0; i < this.cells.length; i++) {
if (this.cells[i] == CellState.EMPTY) {
emptyFields.add(i);
}
}
return emptyFields;
}
public boolean isFinished() {
return this.state != GameState.RUNNING;
}
public void setState(GameState state) {
this.state = state;
}
public GameState getState() {
return state;
}
private void updateGameState() {
for (Integer[] winningCombination : winningCombinations) {
final HashSet<CellState> interestingStates = new HashSet<>();
interestingStates.add(this.cells[winningCombination[0]]);
interestingStates.add(this.cells[winningCombination[1]]);
interestingStates.add(this.cells[winningCombination[2]]);
if (interestingStates.size() == 1 && !interestingStates.contains(CellState.EMPTY)) {
switch (this.cells[winningCombination[0]]) {
case O:
this.state = GameState.O_WON;
break;
case X:
this.state = GameState.X_WON;
break;
}
return;
}
}
if (Arrays.stream(this.cells).allMatch(cellState -> cellState != CellState.EMPTY)) {
this.state = GameState.DRAW;
}
}
// DEBUG
public static void printField(TicTacToeGame game) {
final CellState[] cells = game.getCells();
System.out.println("--------------CURRENT STATE--------------");
for (int i = 0; i < cells.length; i++) {
System.out.print(cells[i] + " ");
if ((i + 1) % 3 == 0) {
System.out.println();
}
}
System.out.println("FREE: " + game.getAvailableFields());
System.out.println("STATE: " + game.getState());
System.out.println("IS FINISHED: " + game.isFinished());
}
}

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src/main/java/ultimatetictactoe/model/UltimateTicTacToe.java Normal file
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package ultimatetictactoe.model;
import java.util.Arrays;
import java.util.HashSet;
public class UltimateTicTacToe {
private final TicTacToeGame[] subGames;
private final GameState[] masterGameStates;
private Player currentPlayer;
private int activeField;
private GameState gameState;
public UltimateTicTacToe() {
this.subGames = new TicTacToeGame[9];
for (int i = 0; i < this.subGames.length; i++) {
this.subGames[i] = new TicTacToeGame();
}
this.masterGameStates = new GameState[9];
Arrays.fill(this.masterGameStates, GameState.RUNNING);
// X always starts in the center field
this.currentPlayer = Player.X;
this.activeField = 4;
this.gameState = GameState.RUNNING;
}
public TicTacToeGame getSubGame(int id) {
return this.subGames[id];
}
public int getActiveField() {
return activeField;
}
public Player getCurrentPlayer() {
return this.currentPlayer;
}
public GameState getGameState() {
return gameState;
}
public void doPlayerMove(int cell) {
if (!getSubGame(this.activeField).getAvailableFields().contains(cell)) return;
CellState nextCellState = this.currentPlayer == Player.X ? CellState.X : CellState.O;
getSubGame(this.activeField).setCellState(cell, nextCellState);
this.masterGameStates[this.activeField] = getSubGame(this.activeField).getState();
updateGameState();
if (this.gameState == GameState.RUNNING) {
this.activeField = findNextAvailableSubGame(cell);
this.currentPlayer = this.currentPlayer == Player.X ? Player.O : Player.X;
}
}
private void updateGameState() {
for (Integer[] winningCombination : TicTacToeGame.winningCombinations) {
final HashSet<GameState> interestingStates = new HashSet<>();
interestingStates.add(this.masterGameStates[winningCombination[0]]);
interestingStates.add(this.masterGameStates[winningCombination[1]]);
interestingStates.add(this.masterGameStates[winningCombination[2]]);
if (interestingStates.size() == 1 && !interestingStates.contains(GameState.RUNNING)) {
switch (this.masterGameStates[winningCombination[0]]) {
case O_WON:
this.gameState = GameState.O_WON;
break;
case X_WON:
this.gameState = GameState.X_WON;
break;
}
return;
}
}
if (Arrays.stream(this.masterGameStates).allMatch(gameState -> gameState != GameState.RUNNING)) {
this.gameState = GameState.DRAW;
}
}
private int findNextAvailableSubGame(int startingIndex) {
while (this.subGames[startingIndex].isFinished()) {
startingIndex = (startingIndex + 1) % 9;
}
return startingIndex;
}
}

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src/main/java/ultimatetictactoe/view/TicTacToeView.java Normal file
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package ultimatetictactoe.view;
import ultimatetictactoe.viewmodel.TicTacToePanelViewModel;
import javax.swing.*;
import java.awt.*;
import java.util.List;
public class TicTacToeView {
private final TicTacToePanelViewModel viewModel;
private final JPanel view;
private final Button[] buttons;
public TicTacToeView(TicTacToePanelViewModel viewModel) {
this.viewModel = viewModel;
this.buttons = new Button[9];
this.view = new JPanel(new GridLayout(3, 3, 0, 0));
view.setBorder(BorderFactory.createLineBorder(Color.BLACK, 2));
for (int i = 0; i < 9; i++) {
var btn = new Button("");
btn.setEnabled(false);
btn.setActionCommand(Integer.toString(i));
btn.addActionListener(e -> {
viewModel.onButtonClicked(Integer.parseInt(e.getActionCommand()));
});
buttons[i] = btn;
view.add(btn);
}
this.viewModel.setActivateCallback(this::activate);
this.viewModel.setDeactivateCallback(this::deactivate);
this.viewModel.setFinishPanelCallback(this::setFinishPanel);
this.viewModel.setButtonTextCallback(this::setButtonText);
}
public JPanel getView() {
return this.view;
}
public void setButtonText(int btnId, String text) {
this.buttons[btnId].setLabel(text);
}
public void activate(List<Integer> btnIds) {
for (Integer btnId : btnIds) {
this.buttons[btnId].setEnabled(true);
}
}
public void deactivate() {
for (Button button : buttons) {
button.setEnabled(false);
}
}
public void setFinishPanel(String finishString) {
this.view.removeAll();
this.view.setLayout(new BorderLayout());
Button winnerLabel = new Button(finishString);
Font font = new Font(Font.SANS_SERIF, Font.BOLD, 15);
winnerLabel.setFont(font);
this.view.add(winnerLabel);
}
}

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src/main/java/ultimatetictactoe/view/UltimateTicTacToeView.java Normal file
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package ultimatetictactoe.view;
import ultimatetictactoe.viewmodel.TicTacToePanelViewModel;
import ultimatetictactoe.viewmodel.UltimateTicTacToePanelViewModel;
import javax.swing.*;
import java.awt.*;
public class UltimateTicTacToeView extends JFrame {
private final UltimateTicTacToePanelViewModel viewModel;
public UltimateTicTacToeView(UltimateTicTacToePanelViewModel viewModel) {
super("Ultimate TicTacToe");
this.viewModel = viewModel;
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
//Create and set up the window.
this.setLayout(new GridLayout(3, 3, 2, 2));
for (int i = 0; i < 9; i++) {
TicTacToePanelViewModel subViewModel = viewModel.getSubGameViewModel(i);
this.add(new TicTacToeView(subViewModel).getView());
}
this.viewModel.setGameResultCallback(this::setGameResult);
//Display the window.
this.setSize(new Dimension(500, 500));
this.setVisible(true);
}
public void setGameResult(String resultText) {
this.removeAll();
this.setLayout(new BorderLayout());
Button winnerLabel = new Button(resultText);
Font font = new Font(Font.SANS_SERIF, Font.BOLD, 15);
winnerLabel.setFont(font);
this.add(winnerLabel);
}
}

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src/main/java/ultimatetictactoe/viewmodel/TicTacToePanelViewModel.java Normal file
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package ultimatetictactoe.viewmodel;
import java.util.List;
import java.util.function.BiConsumer;
import java.util.function.Consumer;
public class TicTacToePanelViewModel {
private final UltimateTicTacToePanelViewModel ultimateTicTacToePanelViewModel;
private Consumer<List<Integer>> activateCallback;
private Runnable deactivateCallback;
private Consumer<String> finishPanelCallback;
private BiConsumer<Integer, String> buttonTextCallback;
public TicTacToePanelViewModel(UltimateTicTacToePanelViewModel ultimateTicTacToePanelViewModel) {
this.ultimateTicTacToePanelViewModel = ultimateTicTacToePanelViewModel;
}
public void setActivateCallback(Consumer<List<Integer>> activateCallback) {
this.activateCallback = activateCallback;
}
public void setDeactivateCallback(Runnable deactivateCallback) {
this.deactivateCallback = deactivateCallback;
}
public void setButtonTextCallback(BiConsumer<Integer, String> buttonTextCallback) {
this.buttonTextCallback = buttonTextCallback;
}
public void setFinishPanelCallback(Consumer<String> finishPanelCallback) {
this.finishPanelCallback = finishPanelCallback;
}
public void onButtonClicked(int cell) {
this.ultimateTicTacToePanelViewModel.onCellClicked(cell);
}
public void activate(List<Integer> activeBtnIds) {
if (this.activateCallback != null) {
this.activateCallback.accept(activeBtnIds);
}
}
public void deactivate() {
if (this.deactivateCallback != null) {
this.deactivateCallback.run();
}
}
public void setButtonText(int btnId, String text) {
if (this.buttonTextCallback != null) {
this.buttonTextCallback.accept(btnId, text);
}
}
public void setFinishPanel(String finishString) {
if (this.finishPanelCallback != null) {
this.finishPanelCallback.accept(finishString);
}
}
}

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package ultimatetictactoe.viewmodel;
import ultimatetictactoe.model.GameState;
import ultimatetictactoe.model.TicTacToeGame;
import ultimatetictactoe.model.UltimateTicTacToe;
import java.util.List;
import java.util.function.Consumer;
public class UltimateTicTacToePanelViewModel {
private final TicTacToePanelViewModel[] subGameViewModels;
private final UltimateTicTacToe ultimateTicTacToe;
private Consumer<String> gameResultCallback;
public UltimateTicTacToePanelViewModel() {
this.subGameViewModels = new TicTacToePanelViewModel[9];
for (int i = 0; i < this.subGameViewModels.length; i++) {
this.subGameViewModels[i] = new TicTacToePanelViewModel(this);
}
this.ultimateTicTacToe = new UltimateTicTacToe();
}
public void prepareNextMove() {
// Check if game already finished
if (this.ultimateTicTacToe.getGameState() != GameState.RUNNING) {
if (this.gameResultCallback != null) {
final String result = this.ultimateTicTacToe.getGameState().displayText;
this.gameResultCallback.accept(result);
return;
}
}
// Setup next move
final int fieldId = this.ultimateTicTacToe.getActiveField();
final List<Integer> availableFields = this.ultimateTicTacToe.getSubGame(fieldId).getAvailableFields();
this.subGameViewModels[fieldId].activate(availableFields);
}
public void onCellClicked(int cell) {
final int oldActiveGameId = this.ultimateTicTacToe.getActiveField();
final TicTacToePanelViewModel oldActiveGameViewModel = this.subGameViewModels[oldActiveGameId];
final TicTacToeGame oldActiveGame = this.ultimateTicTacToe.getSubGame(oldActiveGameId);
oldActiveGameViewModel.deactivate();
this.ultimateTicTacToe.doPlayerMove(cell);
if (oldActiveGame.isFinished()) {
final String winnerText = oldActiveGame.getState().displayText;
oldActiveGameViewModel.setFinishPanel(winnerText);
}
final String newText = oldActiveGame.getCells()[cell].displayText;
oldActiveGameViewModel.setButtonText(cell, newText);
prepareNextMove();
}
public TicTacToePanelViewModel getSubGameViewModel(int subGameId) {
return this.subGameViewModels[subGameId];
}
public void setGameResultCallback(Consumer<String> gameResultCallback) {
this.gameResultCallback = gameResultCallback;
}
}