/// <summary>
/// Adds new shape sequence to the shapeList list.
/// </summary>
/// <param name="seq">New sequence that is to be added. </param>
public void AddNewSequence(string seq)
{
string[] sequence = seq.Split(' ');
List <Shapes> tempShapeList = new List <Shapes>();
for (int i = 0; i < sequence.Length; i++)
{
if (sequence[i] == "s")
{
Shapes newShape = new Square((i + 1) * this.defaultSize);
tempShapeList.Add(newShape);
}
else if (sequence[i] == "c")
{
Shapes newShape = new Circle((i + 1) * this.defaultSize);
tempShapeList.Add(newShape);
}
else if (sequence[i] == "r")
{
Shapes newShape = new Rectangle((i + 1) * this.defaultSize);
tempShapeList.Add(newShape);
}
else if (sequence[i] == "t")
{
Shapes newShape = new Trapezium((i + 1) * this.defaultSize);
tempShapeList.Add(newShape);
}
else if (sequence[i] == "p")
{
Shapes newShape = new Pentagon((i + 1) * this.defaultSize);
tempShapeList.Add(newShape);
}
}
this.shapeList.Add(tempShapeList);
string newSeq = string.Join(" ", seq);
this.SeqList.Add(newSeq); // adding the new sequence to the seqList list of Shapes class.
}
/// <summary>
/// Modifies or removes the sequence in dictionary and updates sequence list.
/// </summary>
/// <param name="seqNum">Sequence number of sequence that needs to be modified. </param>
/// <param name="seq">New sequence. </param>
/// <param name="ind">Used only in partial modification, contains the index of sequence which is to be modified.</param>
public void ModifySequence(int seqNum, string seq, int ind)
{
// modify the seqeunce at seqNum by replacing shape with replaceShape(user input, passed as parameter) at mentioned index(user input, passed as parameter).
string[] sequence = this.seqList[seqNum - 1].Split(' ');
sequence[ind - 1] = seq;
// updating sequence list
this.seqList[seqNum - 1] = string.Join(" ", sequence);
Shapes newShape = null;
// get the shape's default size.
double defSize = this.shapeList[seqNum - 1][ind - 1].Size();
if (seq == "c")
{
newShape = new Circle(defSize);
}
else if (seq == "r")
{
newShape = new Rectangle(defSize);
}
else if (seq == "s")
{
newShape = new Square(defSize);
}
else if (seq == "p")
{
newShape = new Pentagon(defSize);
}
else if (seq == "t")
{
newShape = new Trapezium(defSize);
}
this.shapeList[seqNum - 1][ind - 1] = newShape;
}
/// <summary>
/// Loads from an xml file.
/// </summary>
public void Load()
{
// setting the initial values.
this.defaultSize = 10;
this.shapeList.Clear();
this.seqList.Clear();
this.undoStack.Clear();
this.redoStack.Clear();
XmlDocument document = new XmlDocument();
document.Load("output.xml");
// looping to the nesting level of tree and making the sequence with the values encountered.
foreach (XmlNode node in document.DocumentElement)
{
List <Shapes> shapeListTemp = new List <Shapes>();
List <string> seqListTemp = new List <string>();
for (var i = 0; i < node.ChildNodes.Count; i++)
{
Shapes newShape = null;
double shapeSize = 0;
for (var j = 0; j < node.ChildNodes[i].ChildNodes.Count; j++)
{
if (node.ChildNodes[i].ChildNodes[j].Name == "ShapeType")
{
if (node.ChildNodes[i].ChildNodes[j].InnerText == "rectangle")
{
newShape = new Rectangle(shapeSize);
seqListTemp.Add("r");
}
else if (node.ChildNodes[i].ChildNodes[j].InnerText == "square")
{
newShape = new Square(shapeSize);
seqListTemp.Add("s");
}
else if (node.ChildNodes[i].ChildNodes[j].InnerText == "circle")
{
newShape = new Circle(shapeSize);
seqListTemp.Add("c");
}
else if (node.ChildNodes[i].ChildNodes[j].InnerText == "pentagon")
{
newShape = new Pentagon(shapeSize);
seqListTemp.Add("p");
}
else if (node.ChildNodes[i].ChildNodes[j].InnerText == "trapezium")
{
newShape = new Trapezium(shapeSize);
seqListTemp.Add("t");
}
}
else if (node.ChildNodes[i].ChildNodes[j].Name == "Size")
{
shapeSize = Convert.ToDouble(node.ChildNodes[i].ChildNodes[j].InnerText);
}
else if (node.ChildNodes[i].ChildNodes[j].Name == "Color")
{
newShape.Color = node.ChildNodes[i].ChildNodes[j].InnerText;
}
else if (node.ChildNodes[i].ChildNodes[j].Name == "Thickness")
{
newShape.Thickness = Convert.ToDouble(node.ChildNodes[i].ChildNodes[j].InnerText);
}
else if (node.ChildNodes[i].ChildNodes[j].Name == "Pattern")
{
newShape.Pattern = node.ChildNodes[i].ChildNodes[j].InnerText;
}
}
shapeListTemp.Add(newShape);
}
this.seqList.Add(string.Join(" ", seqListTemp));
this.shapeList.Add(shapeListTemp);
seqListTemp = null;
shapeListTemp = null;
}
Console.WriteLine("Loaded successfully");
}