private void okButton_Click(object sender, RoutedEventArgs e)
{
this.fractionPart = new QuestionFractionPart();
this.fractionPart.WithPart = new QuestionContent(this.withPartTextBox.Text, ContentType.Text);
this.fractionPart.Denominator = new QuestionContent(this.denominatorTextBox.Text, ContentType.Text);
this.fractionPart.Numerator = new QuestionContent(this.numeratorTextBox.Text, ContentType.Text);
this.DialogResult = true;
this.Close();
}
public static IEnumerable <QuestionOption> CreateFractionOption(QuestionContent numerator, QuestionContent denominator)
{
QuestionOption option = new QuestionOption();
QuestionFractionPart fractionPart = new QuestionFractionPart();
fractionPart.Denominator = denominator;
fractionPart.Numerator = numerator;
option.OptionContent.Content = fractionPart.PlaceHolder;
option.OptionContent.QuestionPartCollection.Add(fractionPart);
yield return(option);
}
internal static string CreateImageFile(QuestionFractionPart fraction, string fontFamilly)
{
SizeF iamgeSize = SizeF.Empty;
var image = new Bitmap(56, 200, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
using (var g = Graphics.FromImage(image))
{
string temp = string.Empty;
if (!string.IsNullOrEmpty(fraction.WithPart.Content))
{
temp = fraction.WithPart.Content;
}
if (fraction.Numerator.Content.Length > fraction.Denominator.Content.Length)
{
temp += fraction.Numerator.Content;
}
else
{
temp += fraction.Denominator.Content;
}
temp += "99";
using (Font font = new Font(fontFamilly, 14f))
{
iamgeSize = g.MeasureString(temp, font);
}
}
image.Dispose();
image = new Bitmap((int)(iamgeSize.Width + 1), (int)(iamgeSize.Height + 1) * 2, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
using (var g = Graphics.FromImage(image))
{
RectangleF rectF = new RectangleF(new PointF(0f, 0f), iamgeSize);
rectF.Height = rectF.Height * 2;
using (Font font = new Font(fontFamilly, 14f))
{
if (!string.IsNullOrEmpty(fraction.WithPart.Content))
{
StringFormat strFmt = new StringFormat();
strFmt.Alignment = StringAlignment.Near;
strFmt.LineAlignment = StringAlignment.Center;
g.DrawString(fraction.WithPart.Content, font, System.Drawing.Brushes.Black, rectF, strFmt);
SizeF withSize = g.MeasureString(fraction.WithPart.Content, font);
RectangleF rightRectF = new RectangleF(withSize.Width, 0, rectF.Width - withSize.Width, rectF.Height);
strFmt.Alignment = StringAlignment.Center;
strFmt.LineAlignment = StringAlignment.Near;
g.DrawString(fraction.Numerator.Content, font, System.Drawing.Brushes.Black, rightRectF, strFmt);
g.DrawLine(System.Drawing.Pens.Black, rightRectF.Left, rightRectF.Height / 2, rightRectF.Right, rightRectF.Height / 2);
strFmt.LineAlignment = StringAlignment.Far;
g.DrawString(fraction.Denominator.Content, font, System.Drawing.Brushes.Black, rightRectF, strFmt);
}
else
{
StringFormat strFmt = new StringFormat();
strFmt.Alignment = StringAlignment.Center;
strFmt.LineAlignment = StringAlignment.Near;
g.DrawString(fraction.Numerator.Content, font, System.Drawing.Brushes.Black, rectF, strFmt);
g.DrawLine(System.Drawing.Pens.Black, 0, iamgeSize.Height, rectF.Right, iamgeSize.Height);
strFmt.LineAlignment = StringAlignment.Far;
g.DrawString(fraction.Denominator.Content, font, System.Drawing.Brushes.Black, rectF, strFmt);
}
}
}
string imageFile = getFractionImageFile(fraction.Id);
if (File.Exists(imageFile))
{
File.Delete(imageFile);
}
image.Save(imageFile);
return(imageFile);
}
public static UIElement CreateUIPart(QuestionContentPart part, Brush foreground)
{
if (part is QuestionBlank)
{
NumberOnlyTextBox blankTextBox = new NumberOnlyTextBox();
blankTextBox.Tag = part;
blankTextBox.Width = 80;
blankTextBox.VerticalAlignment = System.Windows.VerticalAlignment.Center;
blankTextBox.FontSize = 20;
blankTextBox.Margin = new Thickness(1);
return(blankTextBox);
}
else if (part is ArithmeticDecimalValuePart)
{
ArithmeticDecimalValuePart decimalPart = part as ArithmeticDecimalValuePart;
if (decimalPart.Value == null)
{
return(CreateText(string.Empty, foreground));
}
return(CreateText(decimalPart.Value.ToString(), foreground));
}
else if (part is QuestionFractionPart)
{
QuestionFractionPart fractionPart = part as QuestionFractionPart;
FractionControl fractionControl = new FractionControl(20, FontWeights.Medium, 2, new SolidColorBrush(Colors.Black));
fractionControl.FractionPart = fractionPart;
fractionControl.FontSize = 20;
fractionControl.FontWeight = FontWeights.Medium;
fractionControl.VerticalAlignment = VerticalAlignment.Center;
fractionControl.Foreground = foreground;
return(fractionControl);
}
else if (part is ArithmeticSignPart)
{
}
else if (part is QuestionTextPart)
{
QuestionTextPart textPart = part as QuestionTextPart;
return(CreateText(textPart.Text, foreground));
}
else if (part is QuestionPowerExponentPart)
{
PowerExponentControl powerExponentControl = new PowerExponentControl(20, FontWeights.Medium, new SolidColorBrush(Colors.Black));
powerExponentControl.PowerExponentPart = part as QuestionPowerExponentPart;
powerExponentControl.Foreground = foreground;
return(powerExponentControl);
}
else if (part is QuestionPowerPart)
{
}
else if (part is QuestionFlowDocumentPart)
{
}
else if (part is ArithmeticFractionValuePart)
{
ArithmeticFractionValuePart arithmeticFractionValuePart = part as ArithmeticFractionValuePart;
ArithmeticFractionControl arithmeticFractionControl = new ArithmeticFractionControl(20, FontWeights.Medium, 2, foreground);
arithmeticFractionControl.Denominator = arithmeticFractionValuePart.Denominator;
arithmeticFractionControl.Numerator = arithmeticFractionValuePart.Numerator;
arithmeticFractionControl.Foreground = foreground;
return(arithmeticFractionControl);
}
throw new NotSupportedException();
}
