public static TextBlock GetFormattedText(string str, int size = 20, Dictionary <string, object> dict = null, bool iswhite = false, bool scroll = true)
{
int i;
double sub = size * 0.65;
double f = size * 1.5;
string plaintext = "";
TextBlock t = new TextBlock()
{
FontSize = size, TextWrapping = TextWrapping.Wrap
};
for (; str != "";)
{
i = 0;
if (str.StartsWith("<LineBreak/>"))
{
t.Inlines.Add(plaintext);
plaintext = "";
t.Inlines.Add(new LineBreak());
i += 12;
}
else if (str.StartsWith("<sub>"))
{
t.Inlines.Add(new Run(GetStringInTag("</sub>", ref i, ref plaintext, t, ref str))
{
BaselineAlignment = BaselineAlignment.Subscript, FontSize = sub
});
}
else if (str.StartsWith("<sup>"))
{
t.Inlines.Add(new TextBlock()
{
Text = GetStringInTag("</sup>", ref i, ref plaintext, t, ref str), BaselineOffset = size * 1.3, FontSize = sub * 0.8
});
}
else if (str.StartsWith("<dsup>"))
{
t.Inlines.Add(new Run(GetStringInTag("</dsup>", ref i, ref plaintext, t, ref str))
{
BaselineAlignment = BaselineAlignment.Superscript, FontSize = sub * 0.8
});
}
else if (str.StartsWith("<hsup>"))
{
t.Inlines.Add(new TextBlock()
{
Text = GetStringInTag("</hsup>", ref i, ref plaintext, t, ref str), BaselineOffset = size * 1.8, FontSize = sub * 0.8, Margin = new Thickness(-10, 0, 0, 0)
});
}
else if (str.StartsWith("<formula>"))
{
string texf = GetStringInTag("</formula>", ref i, ref plaintext, t, ref str);
TextBlock tb = FormulaParser.Parse(texf, (int)f, dict, iswhite);
tb.Foreground = Brushes.Black;
if (scroll)
{
ScrollViewer s = new ScrollViewer()
{
HorizontalScrollBarVisibility = ScrollBarVisibility.Auto, VerticalScrollBarVisibility = ScrollBarVisibility.Disabled
};
s.MouseWheel += (ss, ee) => ee.Handled = true;
s.Content = tb;
t.Inlines.Add(s);
}
else
{
t.Inlines.Add(tb);
}
}
else if (str.StartsWith("<Bold>"))
{
t.Inlines.Add(new Run(GetStringInTag("</Bold>", ref i, ref plaintext, t, ref str))
{
FontWeight = FontWeights.Bold, Foreground = Brushes.Blue
});
}
else if (str.StartsWith("<sBold>"))
{
t.Inlines.Add(new Run(GetStringInTag("</sBold>", ref i, ref plaintext, t, ref str))
{
FontWeight = FontWeights.Bold, Foreground = Brushes.Blue, BaselineAlignment = BaselineAlignment.Subscript, FontSize = sub
});
}
else if (str.StartsWith("<redBold>"))
{
t.Inlines.Add(new Run(GetStringInTag("</redBold>", ref i, ref plaintext, t, ref str))
{
FontWeight = FontWeights.Bold, Foreground = Brushes.Red
});
}
else if (str.StartsWith("<i>"))
{
t.Inlines.Add(new Run(GetStringInTag("</i>", ref i, ref plaintext, t, ref str))
{
FontStyle = FontStyles.Italic
});
}
else if (str.StartsWith("<si>"))
{
t.Inlines.Add(new Run(GetStringInTag("</si>", ref i, ref plaintext, t, ref str))
{
FontStyle = FontStyles.Italic, BaselineAlignment = BaselineAlignment.Subscript, FontSize = sub
});
}
else
{
plaintext += str[0];
++i;
}
str = str.Substring(i);
}
if (plaintext != "")
{
t.Inlines.Add(plaintext);
}
return(t);
}
public TestQuestion(Question question_data, Action <bool> ShowResult)
{
InitializeComponent();
if (question_data.Name != null)
{
TextBlock question = new TextBlock()
{
FontSize = 40,
FontWeight = FontWeights.Bold,
TextWrapping = TextWrapping.Wrap,
TextAlignment = TextAlignment.Center
};
question.Text = question_data.Name;
content.Children.Add(question);
}
if (question_data.Image != null)
{
Image image = new Image()
{
Source = new BitmapImage(new Uri(question_data.Image)),
MaxWidth = question_data.Width,
Margin = new Thickness(0, 15, 0, 0)
};
content.Children.Add(image);
}
answers = question_data.Answers;
this.ShowResult = ShowResult;
foreach (var a in answers)
{
if (question_data.ManyAnswers)
{
if (a.Text != null)
{
if (a.Text.Contains("<formula>"))
{
TextBlock formula = FormulaParser.Parse(Helpers.GetStringInTag("</formula>", a.Text), 30, null, false);
MyTextBlock myTextBlock = new MyTextBlock(formula)
{
IsRight = a.IsRight, IsFormula = true
};
stackAnswers.Children.Add(new CheckBox()
{
Content = myTextBlock
});
}
else
{
TextBlock text = Helpers.GetFormattedText(a.Text, 30);
MyTextBlock myTextBlock = new MyTextBlock(text)
{
IsRight = a.IsRight
};
stackAnswers.Children.Add(new CheckBox()
{
Content = myTextBlock
});
}
}
else if (a.Image != null)
{
stackAnswers.Children.Add(new CheckBox()
{
Content = new Image()
{
MaxWidth = a.Width, Source = new BitmapImage(new Uri(a.Image))
}
});
}
}
else
{
if (a.Text != null)
{
if (a.Text.Contains("<formula>"))
{
TextBlock formula = FormulaParser.Parse(Helpers.GetStringInTag("</formula>", a.Text), 30, null, false);
MyTextBlock myTextBlock = new MyTextBlock(formula)
{
IsRight = a.IsRight, IsFormula = true
};
stackAnswers.Children.Add(new RadioButton()
{
GroupName = "variants", Content = myTextBlock
});
}
else
{
TextBlock text = Helpers.GetFormattedText(a.Text, 30);
MyTextBlock myTextBlock = new MyTextBlock(text)
{
IsRight = a.IsRight
};
stackAnswers.Children.Add(new RadioButton()
{
GroupName = "variants", Content = myTextBlock
});
}
}
else if (a.Image != null)
{
stackAnswers.Children.Add(new RadioButton()
{
Content = new Image()
{
MaxWidth = a.Width, Source = new BitmapImage(new Uri(a.Image)), Margin = new Thickness(3)
}
});
}
}
}
}