/// <summary>
/// Main constructor for edge
/// </summary>
/// <param name="pStart">starting point of the edge</param>
/// <param name="pEnd">ending point of the edge</param>
/// <param name="connectionType">connection type of the edge</param>
public AGraphMLEdge(AGraphMLNode pStart, AGraphMLNode pEnd, string connectionType)
{
// init values
this.PStart = pStart;
this.PEnd = pEnd;
this.ConnectionType = connectionType;
}
/// <summary>
/// Main constructor for edge
/// </summary>
/// <param name="pStart">starting point of the edge</param>
/// <param name="pEnd">ending point of the edge</param>
/// <param name="connectionType">connection type of the edge</param>
public AGraphMLEdge(AGraphMLNode pStart, AGraphMLNode pEnd, string connectionType)
{
// init values
this.PStart = pStart;
this.PEnd = pEnd;
this.ConnectionType = connectionType;
}
/// <summary>
/// This method returns a list with all nodes from the file
/// </summary>
/// <param name="doc">Representant of the xml document to be read</param>
/// <returns>a list with nodes</returns>
private IEnumerable<AGraphMLNode> getPointsFromFile(XmlDocument doc)
{
// return value
List<AGraphMLNode> points = new List<AGraphMLNode>();
// temporary attributes
string id;
double x;
double y;
string roomType;
string corners;
// set root element
XmlElement root = doc.DocumentElement;
// add the namespace
XmlNamespaceManager nsmgr = new XmlNamespaceManager(doc.NameTable);
nsmgr.AddNamespace("x", "http://graphml.graphdrawing.org/xmlns");
// get all xml-tags with nodes
XmlNodeList nodeList = root.SelectNodes(attributeXPathNode, nsmgr);
foreach (XmlNode node in nodeList)
{
// init values
id = "";
x = 0.0;
y = 0.0;
roomType = "";
corners = "";
// get id as attribute from the child
foreach (XmlAttribute attr in node.Attributes)
{
if (attr.Name == attributeNameId)
id = attr.InnerText;
}
// get data from children
foreach (XmlNode child in node.ChildNodes)
{
// search in attributes
foreach (XmlAttribute attr in child.Attributes)
{
// center coordinate
if (attr.InnerText.Equals(attributeNameCenter))
{
// center has format "POINT (0.25 0.75)"
string center = child.InnerText;
// cut string
int firstIndex = center.IndexOf('(') + 1;
int lastIndex = center.LastIndexOf(')');
center = center.Substring(firstIndex, lastIndex - firstIndex);
// cut string by space symbol
x = double.Parse(center.Split(' ')[0], System.Globalization.CultureInfo.InvariantCulture);
y = double.Parse(center.Split(' ')[1], System.Globalization.CultureInfo.InvariantCulture);
}
// room type
if (attr.InnerText.Equals(attributeNameRoomType))
{
roomType = child.InnerText;
}
// corners
if (attr.InnerText.Equals(attributeNameCorners))
{
// corners has format "POLYGON ((0 0, 1 0, 1 1, 0 0))"
corners = child.InnerText;
// cut string
int first = corners.IndexOf('(') + 2;
int last = corners.LastIndexOf(')') - 1;
corners = corners.Substring(first, last - first);
}
}
}
// create point
AGraphMLNode p = new AGraphMLNode(id, x, y, roomType);
// add corners
string[] corner = corners.Split(',');
// process each corner
for (int i = 0; i < corner.Length; i++)
{
string temp = corner[i];
// delete leading space if there
if (temp[0] == ' ') temp = temp.Substring(1);
// add corner to list
p.addCorner(new AGraphMLCorner(double.Parse(temp.Split(' ')[0], System.Globalization.CultureInfo.InvariantCulture),
double.Parse(temp.Split(' ')[1], System.Globalization.CultureInfo.InvariantCulture)));
}
// add point
points.Add(p);
}
// return list
return points;
}
/// <summary>
/// This method returns a list with all nodes from the file
/// </summary>
/// <param name="doc">Representant of the xml document to be read</param>
/// <returns>a list with nodes</returns>
private IEnumerable <AGraphMLNode> getPointsFromFile(XmlDocument doc)
{
// return value
List <AGraphMLNode> points = new List <AGraphMLNode>();
// temporary attributes
string id;
double x;
double y;
string roomType;
string corners;
// set root element
XmlElement root = doc.DocumentElement;
// add the namespace
XmlNamespaceManager nsmgr = new XmlNamespaceManager(doc.NameTable);
nsmgr.AddNamespace("x", "http://graphml.graphdrawing.org/xmlns");
// get all xml-tags with nodes
XmlNodeList nodeList = root.SelectNodes(attributeXPathNode, nsmgr);
foreach (XmlNode node in nodeList)
{
// init values
id = "";
x = 0.0;
y = 0.0;
roomType = "";
corners = "";
// get id as attribute from the child
foreach (XmlAttribute attr in node.Attributes)
{
if (attr.Name == attributeNameId)
{
id = attr.InnerText;
}
}
// get data from children
foreach (XmlNode child in node.ChildNodes)
{
// search in attributes
foreach (XmlAttribute attr in child.Attributes)
{
// center coordinate
if (attr.InnerText.Equals(attributeNameCenter))
{
// center has format "POINT (0.25 0.75)"
string center = child.InnerText;
// cut string
int firstIndex = center.IndexOf('(') + 1;
int lastIndex = center.LastIndexOf(')');
center = center.Substring(firstIndex, lastIndex - firstIndex);
// cut string by space symbol
x = double.Parse(center.Split(' ')[0], System.Globalization.CultureInfo.InvariantCulture);
y = double.Parse(center.Split(' ')[1], System.Globalization.CultureInfo.InvariantCulture);
}
// room type
if (attr.InnerText.Equals(attributeNameRoomType))
{
roomType = child.InnerText;
}
// corners
if (attr.InnerText.Equals(attributeNameCorners))
{
// corners has format "POLYGON ((0 0, 1 0, 1 1, 0 0))"
corners = child.InnerText;
// cut string
int first = corners.IndexOf('(') + 2;
int last = corners.LastIndexOf(')') - 1;
corners = corners.Substring(first, last - first);
}
}
}
// create point
AGraphMLNode p = new AGraphMLNode(id, x, y, roomType);
// add corners
string[] corner = corners.Split(',');
// process each corner
for (int i = 0; i < corner.Length; i++)
{
string temp = corner[i];
// delete leading space if there
if (temp[0] == ' ')
{
temp = temp.Substring(1);
}
// add corner to list
p.addCorner(new AGraphMLCorner(double.Parse(temp.Split(' ')[0], System.Globalization.CultureInfo.InvariantCulture),
double.Parse(temp.Split(' ')[1], System.Globalization.CultureInfo.InvariantCulture)));
}
// add point
points.Add(p);
}
// return list
return(points);
}
