internal void DrawOption(object sender, DrawEventArgs e)
{
int idx = (int)e.Data;
if (Options.Count == 0)
{
return;
}
OptionDrawingObject _option = Options [idx];
e.Context.SetPangoLargeFontSize();
DrawObjects(e.Context, _option.DrawingObjects, idx);
}
public int GetOptionCorrectAnswerIndex()
{
if (options == null || options.Count < 0)
{
return(-1);
}
for (int i = 0; i < options.Count; i++)
{
OptionDrawingObject option = options [i];
if (option.Correct == true)
{
return(i);
}
}
throw new InvalidOperationException("GameXmlDrawing.GetOptionCorrectAnswerIndex. Invalid value.");
}
void RandomizeOptions(DrawingObject [] drawing_objects, int randomized_options)
{
OptionDrawingObject option;
// Randomize the order of the options
if (randomized_options > 0)
{
OptionDrawingObject [] originals;
ArrayListIndicesRandom random_indices;
int index = 0;
random_indices = new ArrayListIndicesRandom(randomized_options);
originals = new OptionDrawingObject [randomized_options];
random_indices.Initialize();
// Backup originals
for (int i = 0; i < drawing_objects.Length; i++)
{
option = drawing_objects[i] as OptionDrawingObject;
if (option == null)
{
continue;
}
originals[index] = option.Copy();
index++;
}
// Swap
index = 0;
for (int i = 0; i < drawing_objects.Length; i++)
{
option = drawing_objects[i] as OptionDrawingObject;
if (option == null)
{
continue;
}
option.CopyRandomizedProperties(originals [random_indices [index]]);
index++;
}
}
}
// Deep copy
public OptionDrawingObject Copy()
{
OptionDrawingObject option = new OptionDrawingObject();
option.X = X;
option.Y = Y;
option.Width = Width;
option.Height = Height;
option.AnswerText = AnswerText;
option.Correct = Correct;
option.RandomizedOrder = RandomizedOrder;
foreach (DrawingObject obj in DrawingObjects)
{
option.AddDrawingObject(obj);
}
return(option);
}
public void Read(string file)
{
GameXmlDefinition game;
string name, str, plural;
bool processing_variant = false;
int variant = 0;
OptionDrawingObject option = null;
DrawingObject last_drawing_object = null;
string last_context = null;
if (read == true)
return;
try
{
StreamReader stream = new StreamReader (file);
XmlTextReaderLiteral reader = new XmlTextReaderLiteral (stream);
game = null;
while (reader.Read ())
{
// Strings are only used because msgctxt requirement
if (reader.NodeType == XmlNodeType.Text)
{
const string CONTEXT_GLUE = "\u0004";
string text;
text = reader.ReadString ();
TextDrawingObject drawing_object = (TextDrawingObject) last_drawing_object;
// GetText processes msgctxt as msgctxt + context_glue + text to retrieve them
drawing_object.Text = last_context + CONTEXT_GLUE + text;
// If the string does not exits, return regular English string without context
if (GetText.StringExists (drawing_object.Text) == false)
drawing_object.Text = text;
continue;
}
name = reader.Name.ToLower ();
switch (name) {
case "games":
break;
case "type":
if (reader.NodeType != XmlNodeType.Element)
break;
game.Type = GameTypesDescription.FromString (reader.ReadElementString ());
break;
case "game":
if (reader.NodeType == XmlNodeType.Element) {
game = new GameXmlDefinition ();
} else if (reader.NodeType == XmlNodeType.EndElement) {
games.Add (game);
}
break;
case "_name":
if (reader.NodeType != XmlNodeType.Element)
break;
game.Name = reader.ReadElementString ();
break;
case "difficulty":
if (reader.NodeType != XmlNodeType.Element)
break;
str = reader.ReadElementString ();
game.Difficulty = GameDifficultyDescription.FromString (str);
break;
case "svg":
if (reader.NodeType != XmlNodeType.Element)
break;
ImageDrawingObject draw_image = new ImageDrawingObject ();
if (processing_variant)
game.Variants[variant].AddDrawingObject (draw_image);
else
game.AddDrawingObject (draw_image);
draw_image.Filename = reader.GetAttribute ("file");
str = reader.GetAttribute ("x");
if (String.IsNullOrEmpty (str) == false)
draw_image.X = Double.Parse (str, CultureInfo.InvariantCulture);
else
draw_image.X = 0.1;
str = reader.GetAttribute ("y");
if (String.IsNullOrEmpty (str) == false)
draw_image.Y = Double.Parse (str, CultureInfo.InvariantCulture);
else
draw_image.Y = 0.1;
str = reader.GetAttribute ("width");
if (String.IsNullOrEmpty (str) == false)
draw_image.Width = Double.Parse (str, CultureInfo.InvariantCulture);
else
draw_image.Width = 0.8;
str = reader.GetAttribute ("height");
if (String.IsNullOrEmpty (str) == false)
draw_image.Height = Double.Parse (str, CultureInfo.InvariantCulture);
else
draw_image.Height = 0.8;
break;
case "string":
case "_string":
if (reader.NodeType != XmlNodeType.Element)
break;
TextDrawingObject draw_string = new TextDrawingObject ();
last_drawing_object = draw_string;
if (option != null)
{
option.AddDrawingObject (draw_string);
}
else
{
if (processing_variant)
game.Variants[variant].AddDrawingObject (draw_string);
else
game.AddDrawingObject (draw_string);
}
last_context = reader.GetAttribute ("msgctxt");
draw_string.Text = reader.GetAttribute ("text");
if (String.IsNullOrEmpty (draw_string.Text))
draw_string.Text = reader.GetAttribute ("_text");
str = reader.GetAttribute ("x");
if (String.IsNullOrEmpty (str) == false)
draw_string.X = Double.Parse (str, CultureInfo.InvariantCulture);
else
draw_string.X = 0.1;
str = reader.GetAttribute ("y");
if (String.IsNullOrEmpty (str) == false)
draw_string.Y = Double.Parse (str, CultureInfo.InvariantCulture);
else
draw_string.Y = 0.1;
str = reader.GetAttribute ("centered");
if (String.Compare (str, "yes", true) == 0)
draw_string.Centered = true;
else
draw_string.Centered = false;
str = reader.GetAttribute ("size");
if (String.IsNullOrEmpty (str) == false)
{
switch (str.ToLower ()) {
case "small":
draw_string.Size = TextDrawingObject.Sizes.Small;
break;
case "medium":
draw_string.Size = TextDrawingObject.Sizes.Medium;
break;
case "large":
draw_string.Size = TextDrawingObject.Sizes.Large;
break;
case "x-large":
draw_string.Size = TextDrawingObject.Sizes.XLarge;
break;
case "xx-large":
draw_string.Size = TextDrawingObject.Sizes.XXLarge;
break;
default:
Console.WriteLine ("GameXmlFactory. Unsupported value for size attribute: {0}", str);
break;
}
}
break;
case "_question":
case "question":
if (reader.NodeType != XmlNodeType.Element)
break;
// Create object if needed
if (processing_variant) {
if (game.Variants[variant].Question == null)
game.Variants[variant].Question = new LocalizableString ();
}
else {
if (game.Question == null)
game.Question = new LocalizableString ();
}
plural = reader.GetAttribute ("plural");
if (String.IsNullOrEmpty (plural) == false) { // Plural
if (processing_variant) {
game.Variants[variant].Question.PluralString = reader.ReadElementStringAsItIs ();
game.Variants[variant].Question.Value = plural;
}
else {
game.Question.PluralString = reader.ReadElementStringAsItIs ();
game.Question.Value = plural;
}
}
else {
if (processing_variant)
{
game.Variants[variant].Question.String = reader.ReadElementStringAsItIs ();
}
else
game.Question.String = reader.ReadElementStringAsItIs ();
}
break;
case "rationale":
case "_rationale":
if (reader.NodeType != XmlNodeType.Element)
break;
// Create object if needed
if (processing_variant) {
if (game.Variants[variant].Rationale == null)
game.Variants[variant].Rationale = new LocalizableString ();
}
else {
if (game.Rationale == null)
game.Rationale = new LocalizableString ();
}
plural = reader.GetAttribute ("plural");
if (String.IsNullOrEmpty (plural) == false) { // Plural
if (processing_variant) {
game.Variants[variant].Rationale.PluralString = reader.ReadElementStringAsItIs ();
game.Variants[variant].Rationale.Value = plural;
}
else {
game.Rationale.PluralString = reader.ReadElementStringAsItIs ();
game.Rationale.Value = plural;
}
}
else {
if (processing_variant)
game.Variants[variant].Rationale.String = reader.ReadElementStringAsItIs ();
else
game.Rationale.String = reader.ReadElementStringAsItIs ();
}
break;
case "answer":
case "_answer":
if (reader.NodeType != XmlNodeType.Element)
break;
if (processing_variant)
game.Variants[variant].AnswerText = reader.ReadElementString ();
else
game.AnswerText = reader.ReadElementString ();
break;
case "_answer_show":
case "answer_show":
if (reader.NodeType != XmlNodeType.Element)
break;
if (processing_variant)
game.Variants[variant].AnswerShow = reader.ReadElementString ();
else
game.AnswerShow = reader.ReadElementString ();
break;
case "answer_expression":
if (reader.NodeType != XmlNodeType.Element)
break;
if (processing_variant)
game.Variants[variant].AnswerCheckExpression = reader.ReadElementString ();
else
game.AnswerCheckExpression = reader.ReadElementString ();
break;
case "answer_checkattributes":
if (reader.NodeType != XmlNodeType.Element)
break;
if (processing_variant)
game.Variants[variant].CheckAttributes = GameAnswerCheckAttributesDescription.FromString (reader.ReadElementString ());
else
game.CheckAttributes = GameAnswerCheckAttributesDescription.FromString (reader.ReadElementString ());
break;
case "_tip":
if (reader.NodeType != XmlNodeType.Element)
break;
if (processing_variant)
game.Variants[variant].Tip = reader.ReadElementStringAsItIs ();
else
game.Tip = reader.ReadElementStringAsItIs ();
break;
case "variant":
if (reader.NodeType == XmlNodeType.Element) {
game.NewVariant ();
variant = game.Variants.Count - 1;
processing_variant = true;
} else if (reader.NodeType == XmlNodeType.EndElement) {
processing_variant = false;
}
break;
case "variables":
if (processing_variant)
game.Variants[variant].Variables = reader.ReadElementString ();
else
game.Variables = reader.ReadElementString ();
break;
case "option":
switch (reader.NodeType) {
case XmlNodeType.Element:
option = new OptionDrawingObject ();
break;
case XmlNodeType.EndElement:
if (String.IsNullOrEmpty (option.AnswerText) && option.RandomizedOrder == false)
throw new InvalidOperationException ("If the option is not randomized, you need to define an answer");
option = null;
break;
default: // Do any processing
break;
}
if (option == null)
break;
if (processing_variant)
game.Variants[variant].AddDrawingObject (option);
else
game.AddDrawingObject (option);
option.AnswerText = reader.GetAttribute ("answer");
if (String.IsNullOrEmpty (option.AnswerText))
option.AnswerText = reader.GetAttribute ("_answer");
str = reader.GetAttribute ("x");
if (String.IsNullOrEmpty (str) == false)
option.X = Double.Parse (str, CultureInfo.InvariantCulture);
else
option.X = 0.1;
str = reader.GetAttribute ("y");
if (String.IsNullOrEmpty (str) == false)
option.Y = Double.Parse (str, CultureInfo.InvariantCulture);
else
option.Y = 0.1;
str = reader.GetAttribute ("width");
if (String.IsNullOrEmpty (str) == false)
option.Width = Double.Parse (str, CultureInfo.InvariantCulture);
else
option.Width = 0.1;
str = reader.GetAttribute ("height");
if (String.IsNullOrEmpty (str) == false)
option.Height = Double.Parse (str, CultureInfo.InvariantCulture);
else
option.Height = 0.1;
str = reader.GetAttribute ("order");
if (String.IsNullOrEmpty (str) == false)
option.RandomizedOrder = true;
str = reader.GetAttribute ("correct");
if (String.Compare (str, "yes", true) == 0)
option.Correct = true;
if (option.X + option.Width > 1 || option.Y + option.Height > 1)
Console.WriteLine ("GameXmlFactory. Wrong option size. x+width and y+height cannot be larger than 1");
break;
default:
if (String.IsNullOrEmpty (name) == false)
Console.WriteLine ("GameXmlFactory. Unsupported tag: {0}", name);
break;
}
}
reader.Close ();
stream.Dispose ();
read = true;
GameXml.Definitions = games;
}
catch (Exception e)
{
read = true;
Console.WriteLine ("GameXmlFactory. Error loading: {0}", e.Message);
}
}
// Deep copy
public OptionDrawingObject Copy()
{
OptionDrawingObject option = new OptionDrawingObject ();
option.X = X;
option.Y = Y;
option.Width = Width;
option.Height = Height;
option.AnswerText = AnswerText;
option.Correct = Correct;
option.RandomizedOrder = RandomizedOrder;
foreach (DrawingObject obj in DrawingObjects)
option.AddDrawingObject (obj);
return option;
}
public void CopyRandomizedProperties(OptionDrawingObject obj)
{
AnswerText = obj.AnswerText;
Correct = obj.Correct;
drawing_objects = obj.drawing_objects;
}
public void CopyRandomizedProperties(OptionDrawingObject obj)
{
AnswerText = obj.AnswerText;
Correct = obj.Correct;
drawing_objects = obj.drawing_objects;
}
void CreateDrawingObjects(GameXmlDefinitionVariant game)
{
OptionDrawingObject option;
double x = 0, y = 0, width = 0, height = 0;
bool first = true;
int randomized_options = 0;
if (game.DrawingObjects == null)
return;
// Calculate the size of container from the options and count the number of random options
foreach (DrawingObject draw_object in game.DrawingObjects)
{
option = draw_object as OptionDrawingObject;
if (option == null)
continue;
if (option.RandomizedOrder)
randomized_options++;
if (first == true)
{
x = option.X;
y = option.Y;
width = option.Width;
height = option.Height;
first = false;
continue;
}
if (option.X < x)
x = option.X;
if (option.Y < y)
y = option.Y;
if (option.X + option.Width > width)
width = option.X + option.Width;
if (option.Y + option.Height > height)
height = option.Y + option.Height;
}
if (first == true)
return;
// Randomize the order of the options
if (randomized_options > 0)
{
OptionDrawingObject [] originals;
ArrayListIndicesRandom random_indices;
int index = 0;
random_indices = new ArrayListIndicesRandom (randomized_options);
originals = new OptionDrawingObject [randomized_options];
random_indices.Initialize ();
// Backup originals
for (int i = 0; i < game.DrawingObjects.Length; i++)
{
option = game.DrawingObjects[i] as OptionDrawingObject;
if (option == null)
continue;
originals[index] = option.Copy ();
index++;
}
// Swap
index = 0;
for (int i = 0; i < game.DrawingObjects.Length; i++)
{
option = game.DrawingObjects[i] as OptionDrawingObject;
if (option == null)
continue;
option.CopyRandomizedProperties (originals [random_indices [index]]);
index++;
}
}
Container container = new Container (x, y, width - x, height - y);
AddWidget (container);
if (options == null)
options = new List <OptionDrawingObject> ();
int idx = 0;
// Create drawing widgets objects
foreach (DrawingObject draw_object in game.DrawingObjects)
{
option = draw_object as OptionDrawingObject;
if (option == null)
continue;
DrawableArea drawable_area = new DrawableArea (option.Width, option.Height);
drawable_area.X = option.X;
drawable_area.Y = option.Y; // + i * 0.15;
container.AddChild (drawable_area);
drawable_area.Data = idx;
drawable_area.DataEx = Answer.GetMultiOption (idx);
options.Add (option);
idx++;
drawable_area.DrawEventHandler += DrawOption;
}
}
public void Read(string file)
{
GameXmlDefinition game;
string name, str, plural;
bool processing_variant = false;
int variant = 0;
OptionDrawingObject option = null;
DrawingObject last_drawing_object = null;
string last_context = null;
if (read == true)
{
return;
}
try
{
StreamReader stream = new StreamReader(file);
XmlTextReaderLiteral reader = new XmlTextReaderLiteral(stream);
game = null;
while (reader.Read())
{
// Strings are only used because msgctxt requirement
if (reader.NodeType == XmlNodeType.Text)
{
const string CONTEXT_GLUE = "\u0004";
string text;
text = reader.ReadString();
TextDrawingObject drawing_object = (TextDrawingObject)last_drawing_object;
// GetText processes msgctxt as msgctxt + context_glue + text to retrieve them
drawing_object.Text = last_context + CONTEXT_GLUE + text;
// If the string does not exits, return regular English string without context
if (GetText.StringExists(drawing_object.Text) == false)
{
drawing_object.Text = text;
}
continue;
}
name = reader.Name.ToLower();
switch (name)
{
case "games":
break;
case "type":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
game.Type = GameTypesDescription.FromString(reader.ReadElementString());
break;
case "game":
if (reader.NodeType == XmlNodeType.Element)
{
game = new GameXmlDefinition();
}
else if (reader.NodeType == XmlNodeType.EndElement)
{
games.Add(game);
}
break;
case "_name":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
game.Name = reader.ReadElementString();
break;
case "difficulty":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
str = reader.ReadElementString();
game.Difficulty = GameDifficultyDescription.FromString(str);
break;
case "svg":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
ImageDrawingObject draw_image = new ImageDrawingObject();
if (processing_variant)
{
game.Variants[variant].AddDrawingObject(draw_image);
}
else
{
game.AddDrawingObject(draw_image);
}
draw_image.Filename = reader.GetAttribute("file");
str = reader.GetAttribute("x");
if (String.IsNullOrEmpty(str) == false)
{
draw_image.X = Double.Parse(str, CultureInfo.InvariantCulture);
}
else
{
draw_image.X = 0.1;
}
str = reader.GetAttribute("y");
if (String.IsNullOrEmpty(str) == false)
{
draw_image.Y = Double.Parse(str, CultureInfo.InvariantCulture);
}
else
{
draw_image.Y = 0.1;
}
str = reader.GetAttribute("width");
if (String.IsNullOrEmpty(str) == false)
{
draw_image.Width = Double.Parse(str, CultureInfo.InvariantCulture);
}
else
{
draw_image.Width = 0.8;
}
str = reader.GetAttribute("height");
if (String.IsNullOrEmpty(str) == false)
{
draw_image.Height = Double.Parse(str, CultureInfo.InvariantCulture);
}
else
{
draw_image.Height = 0.8;
}
break;
case "string":
case "_string":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
TextDrawingObject draw_string = new TextDrawingObject();
last_drawing_object = draw_string;
if (option != null)
{
option.AddDrawingObject(draw_string);
}
else
{
if (processing_variant)
{
game.Variants[variant].AddDrawingObject(draw_string);
}
else
{
game.AddDrawingObject(draw_string);
}
}
last_context = reader.GetAttribute("msgctxt");
draw_string.Text = reader.GetAttribute("text");
if (String.IsNullOrEmpty(draw_string.Text))
{
draw_string.Text = reader.GetAttribute("_text");
}
str = reader.GetAttribute("x");
if (String.IsNullOrEmpty(str) == false)
{
draw_string.X = Double.Parse(str, CultureInfo.InvariantCulture);
}
else
{
draw_string.X = 0.1;
}
str = reader.GetAttribute("y");
if (String.IsNullOrEmpty(str) == false)
{
draw_string.Y = Double.Parse(str, CultureInfo.InvariantCulture);
}
else
{
draw_string.Y = 0.1;
}
str = reader.GetAttribute("centered");
if (String.Compare(str, "yes", true) == 0)
{
draw_string.Centered = true;
}
else
{
draw_string.Centered = false;
}
str = reader.GetAttribute("size");
if (String.IsNullOrEmpty(str) == false)
{
switch (str.ToLower())
{
case "small":
draw_string.Size = TextDrawingObject.Sizes.Small;
break;
case "medium":
draw_string.Size = TextDrawingObject.Sizes.Medium;
break;
case "large":
draw_string.Size = TextDrawingObject.Sizes.Large;
break;
case "x-large":
draw_string.Size = TextDrawingObject.Sizes.XLarge;
break;
case "xx-large":
draw_string.Size = TextDrawingObject.Sizes.XXLarge;
break;
default:
Console.WriteLine("GameXmlFactory. Unsupported value for size attribute: {0}", str);
break;
}
}
break;
case "_question":
case "question":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
// Create object if needed
if (processing_variant)
{
if (game.Variants[variant].Question == null)
{
game.Variants[variant].Question = new LocalizableString();
}
}
else
{
if (game.Question == null)
{
game.Question = new LocalizableString();
}
}
plural = reader.GetAttribute("plural");
if (String.IsNullOrEmpty(plural) == false) // Plural
{
if (processing_variant)
{
game.Variants[variant].Question.PluralString = reader.ReadElementStringAsItIs();
game.Variants[variant].Question.Value = plural;
}
else
{
game.Question.PluralString = reader.ReadElementStringAsItIs();
game.Question.Value = plural;
}
}
else
{
if (processing_variant)
{
game.Variants[variant].Question.String = reader.ReadElementStringAsItIs();
}
else
{
game.Question.String = reader.ReadElementStringAsItIs();
}
}
break;
case "rationale":
case "_rationale":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
// Create object if needed
if (processing_variant)
{
if (game.Variants[variant].Rationale == null)
{
game.Variants[variant].Rationale = new LocalizableString();
}
}
else
{
if (game.Rationale == null)
{
game.Rationale = new LocalizableString();
}
}
plural = reader.GetAttribute("plural");
if (String.IsNullOrEmpty(plural) == false) // Plural
{
if (processing_variant)
{
game.Variants[variant].Rationale.PluralString = reader.ReadElementStringAsItIs();
game.Variants[variant].Rationale.Value = plural;
}
else
{
game.Rationale.PluralString = reader.ReadElementStringAsItIs();
game.Rationale.Value = plural;
}
}
else
{
if (processing_variant)
{
game.Variants[variant].Rationale.String = reader.ReadElementStringAsItIs();
}
else
{
game.Rationale.String = reader.ReadElementStringAsItIs();
}
}
break;
case "answer":
case "_answer":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
if (processing_variant)
{
game.Variants[variant].AnswerText = reader.ReadElementString();
}
else
{
game.AnswerText = reader.ReadElementString();
}
break;
case "_answer_show":
case "answer_show":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
if (processing_variant)
{
game.Variants[variant].AnswerShow = reader.ReadElementString();
}
else
{
game.AnswerShow = reader.ReadElementString();
}
break;
case "answer_expression":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
if (processing_variant)
{
game.Variants[variant].AnswerCheckExpression = reader.ReadElementString();
}
else
{
game.AnswerCheckExpression = reader.ReadElementString();
}
break;
case "answer_checkattributes":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
if (processing_variant)
{
game.Variants[variant].CheckAttributes = GameAnswerCheckAttributesDescription.FromString(reader.ReadElementString());
}
else
{
game.CheckAttributes = GameAnswerCheckAttributesDescription.FromString(reader.ReadElementString());
}
break;
case "_tip":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
if (processing_variant)
{
game.Variants[variant].Tip = reader.ReadElementStringAsItIs();
}
else
{
game.Tip = reader.ReadElementStringAsItIs();
}
break;
case "variant":
if (reader.NodeType == XmlNodeType.Element)
{
game.NewVariant();
variant = game.Variants.Count - 1;
processing_variant = true;
}
else if (reader.NodeType == XmlNodeType.EndElement)
{
processing_variant = false;
}
break;
case "variables":
if (processing_variant)
{
game.Variants[variant].Variables = reader.ReadElementString();
}
else
{
game.Variables = reader.ReadElementString();
}
break;
case "option":
switch (reader.NodeType)
{
case XmlNodeType.Element:
option = new OptionDrawingObject();
break;
case XmlNodeType.EndElement:
if (String.IsNullOrEmpty(option.AnswerText) && option.RandomizedOrder == false)
{
throw new InvalidOperationException("If the option is not randomized, you need to define an answer");
}
option = null;
break;
default: // Do any processing
break;
}
if (option == null)
{
break;
}
if (processing_variant)
{
game.Variants[variant].AddDrawingObject(option);
}
else
{
game.AddDrawingObject(option);
}
option.AnswerText = reader.GetAttribute("answer");
if (String.IsNullOrEmpty(option.AnswerText))
{
option.AnswerText = reader.GetAttribute("_answer");
}
str = reader.GetAttribute("x");
if (String.IsNullOrEmpty(str) == false)
{
option.X = Double.Parse(str, CultureInfo.InvariantCulture);
}
else
{
option.X = 0.1;
}
str = reader.GetAttribute("y");
if (String.IsNullOrEmpty(str) == false)
{
option.Y = Double.Parse(str, CultureInfo.InvariantCulture);
}
else
{
option.Y = 0.1;
}
str = reader.GetAttribute("width");
if (String.IsNullOrEmpty(str) == false)
{
option.Width = Double.Parse(str, CultureInfo.InvariantCulture);
}
else
{
option.Width = 0.1;
}
str = reader.GetAttribute("height");
if (String.IsNullOrEmpty(str) == false)
{
option.Height = Double.Parse(str, CultureInfo.InvariantCulture);
}
else
{
option.Height = 0.1;
}
str = reader.GetAttribute("order");
if (String.IsNullOrEmpty(str) == false)
{
option.RandomizedOrder = true;
}
str = reader.GetAttribute("correct");
if (String.Compare(str, "yes", true) == 0)
{
option.Correct = true;
}
if (option.X + option.Width > 1 || option.Y + option.Height > 1)
{
Console.WriteLine("GameXmlFactory. Wrong option size. x+width and y+height cannot be larger than 1");
}
break;
default:
if (String.IsNullOrEmpty(name) == false)
{
Console.WriteLine("GameXmlFactory. Unsupported tag: {0}", name);
}
break;
}
}
reader.Close();
stream.Dispose();
read = true;
GameXml.Definitions = games;
}
catch (Exception e)
{
read = true;
Console.WriteLine("GameXmlFactory. Error loading: {0}", e.Message);
}
}
void CreateDrawingObjects(GameXmlDefinitionVariant game)
{
OptionDrawingObject option;
double x = 0, y = 0, width = 0, height = 0;
bool first = true;
int randomized_options = 0;
if (game.DrawingObjects == null)
{
return;
}
// Calculate the size of container from the options and count the number of random options
foreach (DrawingObject draw_object in game.DrawingObjects)
{
option = draw_object as OptionDrawingObject;
if (option == null)
{
continue;
}
if (option.RandomizedOrder)
{
randomized_options++;
}
if (first == true)
{
x = option.X;
y = option.Y;
width = option.Width;
height = option.Height;
first = false;
continue;
}
if (option.X < x)
{
x = option.X;
}
if (option.Y < y)
{
y = option.Y;
}
if (option.X + option.Width > width)
{
width = option.X + option.Width;
}
if (option.Y + option.Height > height)
{
height = option.Y + option.Height;
}
}
if (first == true)
{
return;
}
// Randomize the order of the options
if (randomized_options > 0)
{
OptionDrawingObject [] originals;
ArrayListIndicesRandom random_indices;
int index = 0;
random_indices = new ArrayListIndicesRandom(randomized_options);
originals = new OptionDrawingObject [randomized_options];
random_indices.Initialize();
// Backup originals
for (int i = 0; i < game.DrawingObjects.Length; i++)
{
option = game.DrawingObjects[i] as OptionDrawingObject;
if (option == null)
{
continue;
}
originals[index] = option.Copy();
index++;
}
// Swap
index = 0;
for (int i = 0; i < game.DrawingObjects.Length; i++)
{
option = game.DrawingObjects[i] as OptionDrawingObject;
if (option == null)
{
continue;
}
option.CopyRandomizedProperties(originals [random_indices [index]]);
index++;
}
}
Container container = new Container(x, y, width - x, height - y);
AddWidget(container);
if (options == null)
{
options = new List <OptionDrawingObject> ();
}
int idx = 0;
// Create drawing widgets objects
foreach (DrawingObject draw_object in game.DrawingObjects)
{
option = draw_object as OptionDrawingObject;
if (option == null)
{
continue;
}
DrawableArea drawable_area = new DrawableArea(option.Width, option.Height);
drawable_area.X = option.X;
drawable_area.Y = option.Y; // + i * 0.15;
container.AddChild(drawable_area);
drawable_area.Data = idx;
drawable_area.DataEx = Answer.GetMultiOption(idx);
options.Add(option);
idx++;
drawable_area.DrawEventHandler += DrawOption;
}
}
protected override void Initialize()
{
string variables;
bool variants;
LocalizableString localizable_question, localizable_rationale;
compiler = ServiceLocator.Instance.GetService <ICSharpCompiler> ();
variants = game.Variants.Count > 0;
SetCheckAttributes();
if (variants && game.Variants[current.Variant].Variables != null)
{
variables = game.Variants[current.Variant].Variables;
}
else
{
variables = game.Variables;
}
if (variants && game.Variants[current.Variant].Question != null)
{
localizable_question = game.Variants[current.Variant].Question;
}
else
{
localizable_question = game.Question;
}
if (variants && game.Variants[current.Variant].Rationale != null)
{
localizable_rationale = game.Variants[current.Variant].Rationale;
}
else
{
localizable_rationale = game.Rationale;
}
if (String.IsNullOrEmpty(variables) == false)
{
compiler.EvaluateCode(variables);
try {
if (String.IsNullOrEmpty(localizable_question.Value) == false)
{
localizable_question.ValueComputed = Int32.Parse(ReplaceVariables(localizable_question.Value));
}
if (localizable_rationale != null && String.IsNullOrEmpty(localizable_rationale.Value) == false)
{
localizable_rationale.ValueComputed = Int32.Parse(ReplaceVariables(localizable_rationale.Value));
}
}
catch (Exception e)
{
Console.WriteLine("GameXml.Initialize. Error {0}", e);
}
}
if (variants && game.Variants[current.Variant].Question != null)
{
question = CatalogGetString(game.Variants[current.Variant].Question);
}
else
{
question = CatalogGetString(game.Question);
}
if (variants && game.Variants[current.Variant].AnswerText != null)
{
answer = CatalogGetString(game.Variants[current.Variant].AnswerText);
}
else
{
answer = CatalogGetString(game.AnswerText);
}
if (variants && game.Variants[current.Variant].Rationale != null)
{
rationale = CatalogGetString(game.Variants[current.Variant].Rationale);
}
else
{
rationale = CatalogGetString(game.Rationale);
}
if (variants && game.Variants[current.Variant].AnswerShow != null)
{
answer_show = CatalogGetString(game.Variants[current.Variant].AnswerShow);
}
else
{
answer_show = CatalogGetString(game.AnswerShow);
}
if (String.IsNullOrEmpty(variables) == false)
{
question = ReplaceVariables(question);
rationale = ReplaceVariables(rationale);
answer = ReplaceVariables(answer);
answer_show = ReplaceVariables(answer_show);
}
if (options != null && options.Count > 0)
{
for (int i = 0; i < options.Count; i++)
{
OptionDrawingObject option = options [i];
if (option.Correct == true)
{
Answer.SetMultiOptionAnswer(i, answer);
break;
}
}
// Translators {0}: list of options (A, B, C)
string answers = String.Format(ServiceLocator.Instance.GetService <ITranslations> ().GetString("Answer {0}."),
Answer.GetMultiOptionsPossibleAnswers(options.Count));
question = question.Replace(option_answers, answers);
}
else
{
Answer.Correct = answer;
}
SetCheckExpression();
SetAnswerCorrectShow();
}
void RandomizeOptions(DrawingObject [] drawing_objects, int randomized_options)
{
OptionDrawingObject option;
// Randomize the order of the options
if (randomized_options > 0)
{
OptionDrawingObject [] originals;
ArrayListIndicesRandom random_indices;
int index = 0;
random_indices = new ArrayListIndicesRandom (randomized_options);
originals = new OptionDrawingObject [randomized_options];
random_indices.Initialize ();
// Backup originals
for (int i = 0; i < drawing_objects.Length; i++)
{
option = drawing_objects[i] as OptionDrawingObject;
if (option == null)
continue;
originals[index] = option.Copy ();
index++;
}
// Swap
index = 0;
for (int i = 0; i < drawing_objects.Length; i++)
{
option = drawing_objects[i] as OptionDrawingObject;
if (option == null)
continue;
option.CopyRandomizedProperties (originals [random_indices [index]]);
index++;
}
}
}
