AccessibleSudoku/movecell.js at master · ProjPossibility/AccessibleSudoku · GitHub

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var MoveCell = namespace("AccessibleSudoku.MoveCell");

var isChrome = /Chrome/.test(navigator.userAgent);

MoveCell.move = function (movt)
{
    var row = cell.charAt(0);
    var col = cell.charAt(1);
    var newRownum;
    var newRowChar;
    var newColnum;
    var newColChar;
    var cellnew = "beep";
    crossedBox = 0;
    if(movt === "up")
    {
        if(row !== 'a') //cant go above
        {
            newRow = row.charCodeAt(0);
            newRow = newRow - 1;

            newRowChar = String.fromCharCode(newRow);
            cellnew = newRowChar + col;
            if (parseInt(ChangeGrid.getRowCoordinate(cellnew) / 3) !== parseInt(ChangeGrid.getRowCoordinate(cell) / 3))//it crossed a box
            {
                crossedBox=1;
            }
        }
    }
    else if(movt === "down")
    {
        if(row !== 'i') //cant go below
        {
            newRow = row.charCodeAt(0);
            newRow = newRow + 1;
            newRowChar = String.fromCharCode(newRow);
            cellnew = newRowChar + col;
            if (parseInt(ChangeGrid.getRowCoordinate(cellnew) / 3) !== parseInt(ChangeGrid.getRowCoordinate(cell) / 3))//it crossed a box
            {
                crossedBox = 1;
            }
        }
    }
    else if(movt === "right")
    {
        if(col !== '9')
        {
            newCol = col.charCodeAt(0);
            newCol = newCol + 1;
            newColChar = String.fromCharCode(newCol);
            cellnew = row + newColChar;
            if (parseInt(ChangeGrid.getColCoordinate(cellnew) / 3) !== parseInt(ChangeGrid.getColCoordinate(cell) / 3))//it crossed a box
            {
                crossedBox = 1;
            }
        }
    }
    else if(movt === "left")
    {
        if(col !== '1')
            {
                newCol = col.charCodeAt(0);
                newCol = newCol - 1;
                newColChar = String.fromCharCode(newCol);
                cellnew = row + newColChar;
                if (parseInt(ChangeGrid.getColCoordinate(cellnew) / 3) !== parseInt(ChangeGrid.getColCoordinate(cell) / 3))//it crossed a box
                {
                    crossedBox = 1;
                }
            }
    }
    MoveCell.moveBetweenCells(cell, cellnew);

}


MoveCell.color = function (cell, colr){
    var cellNode = document.getElementById(cell);
    var num = cellNode.innerHTML;
    if (colr === 0) {
        $(cellNode).removeClass('highlighted');
        if (isChrome) {
            $(cellNode).removeClass('chrome');
        }

    } else if (colr === 1) {
        $(cellNode).addClass('highlighted');
        if (isChrome) {
            $(cellNode).addClass('chrome');
        }

        var outstring = "";
        if (crossedBox === 1) {
            outstring = "Line ";
        }

        if (num === "&nbsp;") {
			ChangeGrid.output("");
            ChangeGrid.output(outstring + "blank");
        } else {
            ChangeGrid.output(outstring + num);
        }
    }

}
MoveCell.moveBetweenCells = function (cellold, cellnew)
{

    if (cellnew === "beep")
    {
        ChangeGrid.output("Beep");
    }
    else
    {
        MoveCell.color(cellold, 0);
        MoveCell.color(cellnew, 1);
        cell = cellnew;
    }

}