// FIXME: Keyboard and general mouse movement events!!
public override bool KeyPressed(CircuitEditor editor, Gdk.EventKey eventKey)
{
bool consumed = false;
var modifiers = eventKey.State & Accelerator.DefaultModMask;
if (modifiers == Gdk.ModifierType.None)
{
// No modifiers are pressed
if (eventKey.Key == Gdk.Key.Up)
{
CompOrientation = Circuit.Orientation.North;
consumed = true;
}
if (eventKey.Key == Gdk.Key.Down)
{
CompOrientation = Circuit.Orientation.South;
consumed = true;
}
if (eventKey.Key == Gdk.Key.Left)
{
CompOrientation = Circuit.Orientation.West;
consumed = true;
}
if (eventKey.Key == Gdk.Key.Right)
{
CompOrientation = Circuit.Orientation.East;
consumed = true;
}
}
if (consumed)
{
editor.DrawingArea.QueueDraw();
}
return(consumed);
}
/// <summary>
/// Parses a project file. The results are saved in FileManager.Wires, FileManager.Components, and FileManager.Labels.
/// </summary>
/// <param name="filename">The path of the project file.</param>
/// <exception cref="ArgumentNullException"></exception>
/// <exception cref="InvalidProjectDataException">The XML-file doesn't match with the schema.</exception>
/// <exception cref="ArgumentException">Unable to access the file.</exception>
public static void Load(string filename)
{
Vector2i getPos(XmlNode pos)
{
int x = int.Parse(pos.Attributes["x"].InnerText);
int y = int.Parse(pos.Attributes["y"].InnerText);
return(new Vector2i(x, y));
}
XmlDocument doc = new XmlDocument();
XmlReader? reader;
XmlReaderSettings settings = new XmlReaderSettings();
settings.ValidationType = ValidationType.Schema;
settings.ValidationFlags |= XmlSchemaValidationFlags.ProcessInlineSchema;
settings.ValidationFlags |= XmlSchemaValidationFlags.ProcessSchemaLocation;
settings.ValidationFlags |= XmlSchemaValidationFlags.ReportValidationWarnings;
settings.ValidationEventHandler += new ValidationEventHandler(ValidationCallBack);
try
{
reader = XmlReader.Create(filename, settings);
doc.Load(reader);
/* STRUCTURE:
* circuit
* wires
* wire
* from < -x: int, y: int
* to < -x: int, y: int
* ...
* components
* component
* type
* "and" | "dFlipFlop" | "not"
* location < -x: int, y: int
* orientation
* "north" | "east" | "south" | "west"...
* labels
* label < -size: int(10, 100)
* location < -x: int, y: int
* text
* <string>...
*/
#region Parse Wires
foreach (var _wire in doc.SelectNodes("/circuit/wires"))
{
if (_wire != null)
{
XmlNode wire = ((XmlNode)_wire).FirstChild;
Vector2i start = getPos(wire.SelectSingleNode("from"));
Vector2i end = getPos(wire.SelectSingleNode("to"));
if (start.X == end.X)
{
int length = Math.Abs(Math.Abs(end.Y) - start.Y);
Wires.Add(new Wire(start, length, Direction.Horizontal));
}
else if (start.Y == end.Y)
{
int length = Math.Abs(Math.Abs(end.X) - start.X);
Wires.Add(new Wire(start, length, Direction.Vertical));
}
else
{
throw new InvalidProjectDataException($"Start ({ start.X }, { start.Y }) and end ({ end.X }, { end.Y }) of wire #{ Wires.Count + 1 } has to be on the same axis.");
}
// FIXME: Diagonal wire support
}
}
#endregion
#region Parse Components
foreach (var _component in doc.SelectNodes("/circuit/components"))
{
if (_component != null)
{
XmlNode component = ((XmlNode)_component).FirstChild;
ComponentType type = types[component.SelectSingleNode("type").InnerText];
Vector2i location = getPos(component.SelectSingleNode("location"));
Circuit.Orientation orientation = orientations[component.SelectSingleNode("orientation").InnerText];
Components.Add(InstanceData.Create(type, location, orientation));
// FIXME: Update list of gates.
}
}
#endregion
#region Parse Labels
foreach (var _label in doc.SelectNodes("/circuit/labels"))
{
if (_label != null)
{
XmlNode label = ((XmlNode)_label).FirstChild;
int size = int.Parse(label.Attributes["size"].InnerText);
Vector2i location = getPos(label.SelectSingleNode("location"));
string text = label.SelectSingleNode("text").InnerText;
Labels.Add(new TextLabel(location, text, size));
}
}
#endregion
#region Parse Recent Files
foreach (var _recent_file in doc.SelectNodes("/circuit/recent_files"))
{
if (_recent_file != null)
{
XmlNode file = ((XmlNode)_recent_file).FirstChild;
string text = file.SelectSingleNode("file_name").InnerText;
RecentFiles.Add(text);
}
}
#endregion
// FIXME: Save wires, components, and labels in higher level objects
IsNew = false;
FileManager.filename = filename;
}
catch (Exception e)
{
if (e is XmlException || e is XPathException || e is InvalidProjectDataException || e is XmlSchemaException)
{
MessageDialog md = new MessageDialog(null, DialogFlags.DestroyWithParent, MessageType.Info, ButtonsType.Ok, "Logik is unable to read file. Please choose a valid project file.");
md.Run();
md.Dispose();
throw new ArgumentException("Not a project file.", e);
}
else
{
MessageDialog md = new MessageDialog(null, DialogFlags.DestroyWithParent, MessageType.Error, ButtonsType.Ok, "Logik is unable to access choosen file.");
md.Run();
md.Dispose();
throw new ArgumentException("Unable to access file.", e);
}
}
if (reader != null)
{
reader.Close();
}
}
/// <summary>
/// Parses a project file. The results are saved in FileManager.Wires, FileManager.Components, and FileManager.Labels.
/// </summary>
/// <param name="filename">The path of the project file.</param>
/// <exception cref="ArgumentNullException"></exception>
/// <exception cref="InvalidProjectDataException">The XML-file doesn't match with the schema.</exception>
/// <exception cref="ArgumentException">Unable to access the file.</exception>
public static void Load(string filename)
{
Vector2i getPos(XmlNode pos)
{
int x = int.Parse(pos.Attributes["x"].InnerText);
int y = int.Parse(pos.Attributes["y"].InnerText);
return(new Vector2i(x, y));
}
//HACK: What does "Could not find schema information for the element '<element>'." for every element mean!?
XmlSchemaSet schema = new XmlSchemaSet();
// currentDirectory = ~\bin\Debug\netcoreapp3.1
string path = Directory.GetCurrentDirectory() + "\\..\\..\\..\\File";
schema.Add("http://www.w3.org/2001/XMLSchema", path + "\\structure.xsd");
XmlDocument doc = new XmlDocument();
doc.Schemas = schema;
XmlReader?reader;
XmlReaderSettings settings = new XmlReaderSettings();
settings.ValidationType = ValidationType.Schema;
settings.ValidationFlags |= XmlSchemaValidationFlags.ProcessInlineSchema;
settings.ValidationFlags |= XmlSchemaValidationFlags.ProcessSchemaLocation;
settings.ValidationFlags |= XmlSchemaValidationFlags.ReportValidationWarnings;
settings.ValidationEventHandler += new ValidationEventHandler(ValidationCallBack);
try
{
reader = XmlReader.Create(filename, settings);
doc.Load(reader);
#region Parse Wires
foreach (var _wire in doc.SelectNodes("/circuit/wires"))
{
if (_wire != null)
{
XmlNode wire = ((XmlNode)_wire).FirstChild;
Vector2i start = getPos(wire.SelectSingleNode("from"));
Vector2i end = getPos(wire.SelectSingleNode("to"));
if (start.X == end.X)
{
int length = Math.Abs(Math.Abs(end.Y) - start.Y);
Wires.Add(new Wire(start, length, Direction.Horizontal));
}
else if (start.Y == end.Y)
{
int length = Math.Abs(Math.Abs(end.X) - start.X);
Wires.Add(new Wire(start, length, Direction.Vertical));
}
else
{
throw new InvalidProjectDataException($"Start ({ start.X }, { start.Y }) and end ({ end.X }, { end.Y }) of wire #{ Wires.Count + 1 } has to be on the same axis.");
}
// FIXME: Diagonal wire support
}
}
#endregion
#region Parse Components
foreach (var _component in doc.SelectNodes("/circuit/components"))
{
if (_component != null)
{
XmlNode component = ((XmlNode)_component).FirstChild;
ComponentType type = types[component.SelectSingleNode("type").InnerText];
Vector2i location = getPos(component.SelectSingleNode("location"));
Circuit.Orientation orientation = orientations[component.SelectSingleNode("orientation").InnerText];
Components.Add(InstanceData.Create(type, location, orientation));
// FIXME: Update list of gates.
}
}
#endregion
#region Parse Labels
foreach (var _label in doc.SelectNodes("/circuit/labels"))
{
if (_label != null)
{
XmlNode label = ((XmlNode)_label).FirstChild;
int size = int.Parse(label.Attributes["size"].InnerText);
Vector2i location = getPos(label.SelectSingleNode("location"));
string text = label.SelectSingleNode("text").InnerText;
Labels.Add(new TextLabel(location, text, size));
}
}
#endregion
// FIXME: Save wires, components, and labels in higher level objects
IsNew = false;
FileManager.filename = filename;
}
catch (Exception e)
{
if (e is XmlException || e is XPathException || e is InvalidProjectDataException || e is XmlSchemaException || e is KeyNotFoundException)
{
MessageDialog md = new MessageDialog(null, DialogFlags.DestroyWithParent, MessageType.Info, ButtonsType.Ok, "Logik is unable to read file. Please choose a valid project file.");
md.Run();
md.Dispose();
throw new ArgumentException("Not a project file.", e);
}
else
{
MessageDialog md = new MessageDialog(null, DialogFlags.DestroyWithParent, MessageType.Error, ButtonsType.Ok, "Logik is unable to access choosen file.");
md.Run();
md.Dispose();
throw new ArgumentException("Unable to access file.", e);
}
}
if (reader != null)
{
reader.Close();
}
}
