private void ShowAttributeParas(BinaryAttribute ba, StackPanel sp)
{
CheckBox cb = new CheckBox
{
Content = "非对称",
IsChecked = ba.IsAsymmetry
};
cb.Checked += (s, e) => { ba.IsAsymmetry = true; };
cb.Unchecked += (s, e) => { ba.IsAsymmetry = false; };
TextBlock t0 = new TextBlock()
{
Text = "值为0的字符串"
};
TextBlock tb0 = new TextBlock()
{
Text = ba.Value0
};
TextBlock t1 = new TextBlock()
{
Text = "值为1的字符串"
};
TextBlock tb1 = new TextBlock()
{
Text = ba.Value1
};;
Button switchButton = new Button()
{
Content = "对换"
};
switchButton.Click += (s, e) =>
{
ba.SwitchValue();
tb0.Text = ba.Value0;
tb1.Text = ba.Value1;
};
sp.Children.Clear();
sp.Children.Add(cb);
sp.Children.Add(t0);
sp.Children.Add(tb0);
sp.Children.Add(t1);
sp.Children.Add(tb1);
sp.Children.Add(switchButton);
}
private void AttributeType_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
var cb = (sender as ComboBox);
if (cb.SelectedItem == null)
{
return;
}
StackPanel fsp = cb.Parent as StackPanel;
var sp = fsp.Children[2] as StackPanel;
int i = GetIndexOfStackPanel(fsp);
try
{
ClearTips();
switch (cb.SelectedIndex)
{
case 0:
var ba = new BinaryAttribute(AttributesNames[i]);
Data.Attributes[i] = ba;
ba.SetValueFromData(Data[ba].RowsOfData);
ShowAttributeParas(Data.Attributes[i] as BinaryAttribute, sp);
break;
case 1:
var nora = new NorminalAttribute(AttributesNames[i]);
Data.Attributes[i] = nora;
nora.SetNorminalsFromData(Data[nora].RowsOfData);
sp.Children.Clear();
break;
case 2:
Data.Attributes[i] = new OrdinalAttribute(AttributesNames[i]);
ShowAttributeParas(Data.Attributes[i] as OrdinalAttribute, sp);
break;
case 3:
var na = new NumericalAttribute(AttributesNames[i]);
Data.Attributes[i] = na;
na.SetMaxMinuxMinFromData(Data[na].RowsOfData);
sp.Children.Clear();
break;
}
}
catch (Exception excp)
{
ShowTips(excp.Message);
cb.SelectedItem = null;
}
}
