public void AddItems <TItem>(ComboBox control, Expression <Func <TDocument, TItem> > property, IEnumerable <TItem> items) where TItem : class
{
PropertyInfo pi = GetProperty(property);
Func <TDocument, string> setProperty = (doc) =>
{
pi.SetValue(doc, (control.SelectedItem as TItem));
return(pi.Name);
};
var func = property.Compile();
Action <TDocument> setControl = (doc) =>
{
ComboBoxExtensions.SetItem(control, func.Invoke(doc));
};
AddItems(control, setProperty, setControl, items);
}
public void AddEnum <TEnum>(ComboBox control, Expression <Func <TDocument, TEnum> > property)
{
PropertyInfo pi = GetProperty(property);
Func <TDocument, string> setProperty = (doc) =>
{
pi.SetValue(doc, (control.SelectedItem as ListItem <TEnum>).Value);
return(pi.Name);
};
var func = property.Compile();
Action <TDocument> setControl = (doc) =>
{
ComboBoxExtensions.SetValue(control, func.Invoke(doc));
};
AddEnum <TEnum>(control, setProperty, setControl);
}
/// <summary>
/// Fills a combo box from TItem keys of a dictionary, mapping to corresponding TValues that are bound to the document
/// </summary>
public void AddItems <TValue, TItem>(ComboBox control, Expression <Func <TDocument, TValue> > property, Dictionary <TValue, TItem> itemDictionary) where TItem : class
{
var pi = GetProperty(property);
Func <TDocument, string> setProperty = (doc) =>
{
var reverseDictionary = itemDictionary.ToDictionary(kp => kp.Value, kp => kp.Key);
pi.SetValue(doc, reverseDictionary[control.GetItem <TItem>()]);
return(pi.Name);
};
var func = property.Compile();
Action <TDocument> setControl = (doc) =>
{
var value = func.Invoke(doc);
ComboBoxExtensions.SetItem(control, itemDictionary[value]);
};
AddItems(control, setProperty, setControl, itemDictionary.Select(kp => kp.Value));
}
