private static void OnPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var button = (ButtonBase)d;
if (button == null)
{
return;
}
var str = GetProperty(d);
if (str == null)
{
return;
}
var select = WPFOperate.FindVisualParent <ListBoxItem>(button);
var listbox = WPFOperate.FindVisualParent <ListBox>(select);
if (listbox == null)
{
return;
}
button.DataContext = BindingEvaluator.GetValue(listbox.DataContext, str);
button.Click += (s2, e2) =>
{
var command = (ICommand)BindingEvaluator.GetValue(listbox.DataContext, str);
if (command.CanExecute(@select.DataContext))
{
command.Execute(@select.DataContext);
}
};
}
private static void OnPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var listBoxItem = (MenuItem)d;
if (listBoxItem == null)
{
return;
}
var str = GetJumpBinding(d);
var listbox = WPFOperate.FindVisualParent <FrameworkElement>(listBoxItem, str.RealSource);
if (listbox == null)
{
return;
}
var dataContext = listbox.DataContext;
listBoxItem.Click += (s2, e2) =>
{
var command = (ICommand)BindingEvaluator.GetValue(dataContext, str.Property);
if (command.CanExecute(listBoxItem.DataContext))
{
command.Execute(listBoxItem.DataContext);
}
};
}
private static void OnPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var listBoxItem = (FrameworkElement)d;
if (listBoxItem == null)
{
return;
}
var str = GetProperty(d);
var listbox = WPFOperate.FindVisualParent <ListBox>(listBoxItem);
if (listbox == null)
{
return;
}
var dataContext = listbox.DataContext;
listBoxItem.MouseDown += (s2, e2) =>
{
if (e2.ClickCount != 2)
{
return;
}
var command = (ICommand)BindingEvaluator.GetValue(dataContext, str);
if (command.CanExecute(listBoxItem.DataContext))
{
command.Execute(listBoxItem.DataContext);
}
};
}
private static void OnPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var button = (FrameworkElement)d;
var prop = GetProperty(d);
var select = WPFOperate.FindVisualParent <ListBoxItem>(button);
var dataContext = select.DataContext;
select.MouseLeftButtonUp += (s2, e2) =>
{
var info = dataContext.GetType().GetProperty(prop);
var va = (bool)info.GetValue(dataContext, new object[] {});
va = !va;
info.SetValue(dataContext, va, new object[] {});
};
}
static void ButtonDataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
{
var element = sender as FrameworkElement;
if (element == null)
{
return;
}
var jumpSupportData = GetJumpSupportData(element);
var methodPool = GetMethodPool(element);
var target = WPFOperate.GetChild <FrameworkElement>(element, jumpSupportData.TargetName);
if (target == null)
{
return;
}
Type type = methodPool.GetType();
MethodInfo info = type.GetMethod(jumpSupportData.MethodName);
object result = null;
if (jumpSupportData.ArgCount > 1)
{
var context2 = GetDataContextSource2(element);
result = info.Invoke(methodPool, new[] { element.DataContext, context2 });
}
else
{
result = info.Invoke(methodPool, new[] { element.DataContext });
}
PropertyInfo propertyInfo = target.GetType().GetProperty(jumpSupportData.TargetProperty);
propertyInfo.SetValue(target, result, new object[] { });
}
private static void OnIsEnabledChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
bool oldIsEnabled = (bool)e.OldValue;
bool newIsEnabled = (bool)d.GetValue(IsEnabledProperty);
var itemsControl = d as ItemsControl;
if (itemsControl == null)
{
return;
}
if (newIsEnabled)
{
itemsControl.Loaded += (ss, ee) =>
{
ScrollViewer scrollviewer = WPFOperate.GetChild <ScrollViewer>(itemsControl);
if (scrollviewer != null)
{
((ICollectionView)itemsControl.Items).CollectionChanged += (sss, eee) => scrollviewer.ScrollToEnd();
}
};
}
}
