private void OnPlanDatailDragInitialize(object sender, DragInitializeEventArgs e)
{
var details = new DropIndicationDetails();
GridViewRow row = e.OriginalSource as GridViewRow ??
(e.OriginalSource as FrameworkElement).ParentOfType<GridViewRow>();
var gridView = sender as RadGridView;
if (gridView == null) return;
object item = row != null ? row.Item : gridView.SelectedItem;
details.CurrentDraggedItem = item;
IDragPayload dragPayload = DragDropPayloadManager.GeneratePayload(null);
dragPayload.SetData("DraggedData", item);
dragPayload.SetData("DropDetails", details);
e.Data = dragPayload;
//判断是否能拖拽
var planDetail = item as PlanHistoryDTO;
if (planDetail != null && ViewModel.SelRequest != null &&
ViewModel.SelRequest.Status < (int) RequestStatus.已审核 &&
(planDetail.CanRequest == (int) CanRequest.可申请 || planDetail.CanRequest == (int) CanRequest.可再次申请))
{
e.AllowedEffects = DragDropEffects.All;
}
else
{
e.AllowedEffects = DragDropEffects.None;
}
e.DragVisual = new DragVisual
{
Content = item,
ContentTemplate = gridView.Resources["PlanDraggedItemTemplate"] as DataTemplate
};
e.DragVisualOffset = e.RelativeStartPoint;
}
private void OnDragInitialize(object sender, DragInitializeEventArgs e)
{
var details = new DropIndicationDetails();
var row = e.OriginalSource as GridViewRow ??
(e.OriginalSource as FrameworkElement).ParentOfType<GridViewRow>();
if (sender != null)
{
object item = row != null ? row.Item : (sender as RadGridView).SelectedItem;
details.CurrentDraggedItem = item;
IDragPayload dragPayload = DragDropPayloadManager.GeneratePayload(null);
dragPayload.SetData("DraggedData", item);
dragPayload.SetData("DropDetails", details);
e.Data = dragPayload;
}
e.DragVisualOffset = e.RelativeStartPoint;
e.AllowedEffects = DragDropEffects.All;
}
private void OnDragInitialize(object sender, DragInitializeEventArgs e)
{
var details = new DropIndicationDetails();
var listBoxItem = e.OriginalSource as System.Windows.Controls.ListBoxItem ?? (e.OriginalSource as FrameworkElement).ParentOfType<System.Windows.Controls.ListBoxItem>();
var listBox = sender as System.Windows.Controls.ListBox;
if (listBox != null)
{
var item = listBox.SelectedItem;
details.CurrentDraggedItem = item;
IDragPayload dragPayload = DragDropPayloadManager.GeneratePayload(null);
dragPayload.SetData("DraggedData", item);
dragPayload.SetData("DropDetails", details);
e.Data = dragPayload;
}
e.DragVisual = new DragVisual
{
Content = details,
ContentTemplate = AssociatedObject.Resources["DraggedItemTemplate"] as DataTemplate
};
e.DragVisualOffset = e.RelativeStartPoint;
e.AllowedEffects = DragDropEffects.All;
}
private void OnDragInitialize(object sender, DragInitializeEventArgs e)
{
var treeViewItem = e.OriginalSource as RadTreeViewItem ?? (e.OriginalSource as FrameworkElement).ParentOfType<RadTreeViewItem>();
var data = treeViewItem != null ? treeViewItem.Item : (sender as RadTreeView).SelectedItem;
var payload = DragDropPayloadManager.GeneratePayload(null);
var dropDetails = new DropIndicationDetails { CurrentDraggedItem = data };
var visual = new DragVisual
{
Content = dropDetails,
//ContentTemplate = data is CategoryViewModel ? AssociatedObject.Resources["CategoryDragTemplate"] as DataTemplate : AssociatedObject.Resources["ProductDragTemplate"] as DataTemplate
};
payload.SetData("DraggedData", data);
payload.SetData("DropDetails", dropDetails);
e.DragVisual = visual;
e.DragVisualOffset = e.RelativeStartPoint;
e.Data = payload;
e.AllowedEffects = DragDropEffects.All;
FrameworkElement sourceItem = e.OriginalSource as RadTreeViewItem ?? (e.OriginalSource as FrameworkElement).ParentOfType<RadTreeViewItem>();
if (sourceItem == null)
{
_sourceItems = (IList)AssociatedObject.ItemsSource;
}
else
{
_sourceItems = (sourceItem as RadTreeViewItem).ParentItem != null ? (IList)(sourceItem as RadTreeViewItem).ParentItem.ItemsSource : (IList)AssociatedObject.ItemsSource;
}
_sourceItem = sourceItem.DataContext;
_destinationItems = AssociatedObject.ItemsSource as IList;
_isTreeSource = true;
}
