public TreeListViewRowDoubleClickHandler(RadTreeListView treeListView)
{
MouseButtonEventHandler handler = (sender, args) =>
{
var row = sender as TreeListViewRow;
if (row != null)
{
var methodName = GetMethodName(treeListView);
var dataContextType = treeListView.DataContext.GetType();
var method = dataContextType.GetMethod(methodName);
if (method == null)
{
throw new MissingMethodException(methodName);
}
method.Invoke(treeListView.DataContext, null);
}
};
treeListView.RowLoaded += (s, e) =>
{
e.Row.MouseDoubleClick += handler;
};
treeListView.RowUnloaded += (s, e) =>
{
e.Row.MouseDoubleClick -= handler;
};
}
public TreeListViewRowDoubleClickHandler(RadTreeListView treeListView)
{
MouseButtonEventHandler handler = (sender, args) =>
{
var row = sender as TreeListViewRow;
if (row != null)
{
var methodName = GetMethodName(treeListView);
var dataContextType = treeListView.DataContext.GetType();
var method = dataContextType.GetMethod(methodName);
if (method == null)
{
throw new MissingMethodException(methodName);
}
method.Invoke(treeListView.DataContext, null);
}
};
treeListView.RowLoaded += (s, e) =>
{
e.Row.MouseDoubleClick += handler;
};
treeListView.RowUnloaded += (s, e) =>
{
e.Row.MouseDoubleClick -= handler;
};
}
public static TreeListViewDragDropBehavior GetAttachedBehavior(RadTreeListView gridview)
{
if (!instances.ContainsKey(gridview))
{
instances[gridview] = new TreeListViewDragDropBehavior();
instances[gridview].AssociatedObject = gridview;
}
return(instances[gridview]);
}
private static void ExpandAndScrollRecursive(RadTreeListView treeListView, object item, IList <object> itemsToExpand)
{
treeListView.ScrollIntoViewAsync(item, (f) =>
{
treeListView.ExpandHierarchyItem(item);
itemsToExpand.Remove(item);
ExpandAndScrollRecursive(treeListView, itemsToExpand.FirstOrDefault(), itemsToExpand);
});
}
private static void ExpandAndScrollRecursive(RadTreeListView treeListView, object item, IList<object> itemsToExpand)
{
treeListView.ScrollIntoViewAsync(item, (f) =>
{
treeListView.ExpandHierarchyItem(item);
itemsToExpand.Remove(item);
ExpandAndScrollRecursive(treeListView, itemsToExpand.FirstOrDefault(), itemsToExpand);
});
}
public static SecureObjectDragDrop GetAttachedBehavior(RadTreeListView gridview)
{
if (!_instances.ContainsKey(gridview))
{
_instances[gridview] = new SecureObjectDragDrop
{
AssociatedTreeListView = gridview
}
}
;
return(_instances[gridview]);
}
public static void ExcelExportWriteByRadGridView(RadTreeListView radGridView)
{
try
{
string extension = "xls";
SaveFileDialog dialog = new SaveFileDialog()
{
DefaultExt = extension,
Filter =
String.Format("{1} files (*.{0})|*.{0}|All files (*.*)|*.*",
extension,
"Excel"),
FilterIndex = 1
};
if (dialog.ShowDialog() == true)
{
using (Stream stream = dialog.OpenFile())
{
// if (File.Exists(stream)) File.Delete(stream);
radGridView.Export(stream,
new GridViewExportOptions()
{
Format = ExportFormat.Html,
ShowColumnHeaders = true,
ShowColumnFooters = true,
ShowGroupFooters = false,
Culture = CultureInfo.CurrentUICulture,
Encoding = Encoding.Unicode
});
}
}
}
catch (Exception ex)
{
Wlst.Cr.Core.UtilityFunction.WriteLog.WriteLogError("导出报表出错，异常为:" + ex);
}
}
public static void ExpandItemIntoView(this RadTreeListView treeListView, object item)
{
if (treeListView.Items.IndexOf(item) == -1)
{
var filterDescriptor = new FilterDescriptor <object>()
{
FilteringExpression = i => i == item
};
treeListView.FilterDescriptors.Add(filterDescriptor);
var itemsToExpand = new List <object>(treeListView.Items.OfType <object>());
treeListView.FilterDescriptors.Remove(filterDescriptor);
ExpandAndScrollRecursive(treeListView, itemsToExpand.FirstOrDefault(), itemsToExpand);
}
else
{
treeListView.ScrollIntoViewAsync(item, (f) =>
{
treeListView.ExpandHierarchyItem(item);
});
}
}
public static void SetMethodName(RadTreeListView treeListView, string value)
{
treeListView.SetValue(MethodNameProperty, value);
}
public static string GetMethodName(RadTreeListView treeListView)
{
return (string)treeListView.GetValue(MethodNameProperty);
}
public static void SetMethodName(RadTreeListView treeListView, string value)
{
treeListView.SetValue(MethodNameProperty, value);
}
public static string GetMethodName(RadTreeListView treeListView)
{
return((string)treeListView.GetValue(MethodNameProperty));
}
public static TreeViewDragDropBehavior GetAttachedBehavior(RadTreeListView gridview)
{
if (!instances.ContainsKey(gridview))
{
instances[gridview] = new TreeViewDragDropBehavior();
instances[gridview].AssociatedObject = gridview;
}
return instances[gridview];
}
public static void ExpandItemIntoView(this RadTreeListView treeListView, IEnumerable itemsToExpand)
{
var items = itemsToExpand.OfType <object>();
ExpandAndScrollRecursive(treeListView, items.FirstOrDefault(), new List <object>(items));
}
