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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html xmlns:ng="http://angularjs.org">
<head>
<script type="text/javascript"
src="../src/angular-bootstrap.js#autobind"></script>
</head>
<body ng:init="$window.$root = this">
<script>
function TicTacToeCntl(){
this.cellStyle= {
'height': '20px',
'width': '20px',
'border': '1px solid black',
'text-align': 'center',
'vertical-align': 'middle',
'cursor': 'pointer'
};
this.reset();
this.$watch('$location.hashPath', this.setMemento);
this.$onEval(function(){
this.$location.hashPath = this.getMemento();
});
}
TicTacToeCntl.prototype = {
dropPiece: function(row, col) {
if (!this.winner && !this.board[row][col]) {
this.board[row][col] = this.nextMove;
this.nextMove = this.nextMove == 'X' ? 'O' : 'X';
this.grade();
}
},
reset: function(){
this.board = [
['', '', ''],
['', '', ''],
['', '', '']
];
this.nextMove = 'X';
this.winner = '';
},
grade: function(){
var b = this.board;
this.winner =
row(0) || row(1) || row(2) ||
col(0) || col(1) || col(2) ||
diagonal(-1) || diagonal(1);
function row(r) { return same(b[r][0], b[r][1], b[r][2]);}
function col(c) { return same(b[0][c], b[1][c], b[2][c]);}
function diagonal(i) { return same(b[0][1-i], b[1][1], b[2][1+i]);}
function same(a, b, c) { return (a==b && b==c) ? a : '';};
},
getMemento: function(){
var rows = [];
angular.foreach(this.board, function(row){
rows.push(row.join(','));
});
return rows.join(';') + '/' + this.nextMove;
},
setMemento: function(value) {
if (value) {
value = value.split('/');
this.nextMove = value[1];
angular.foreach(value[0].split(';'), function(row, i){
this.board[i] = row.split(',');
}, this);
} else {
this.reset();
}
}
};
</script>
<h3>Tic-Tac-Toe</h3>
Next Player: {{nextMove}}
<div ng:show="winner">Player {{winner}} has won!</div>
<table ng:controller="TicTacToeCntl">
<tr ng:repeat="row in board" style="height:15px;">
<td ng:repeat="cell in row" ng:style="cellStyle"
ng:click="dropPiece($parent.$index, $index)">{{cell}}</td>
</tr>
</table>
<button ng:click="reset()">reset board</button>
</body>
</html>
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