private void InsertRenderings([CanBeNull] LayoutDesignerItem target, ControlDragAdornerPosition position, [NotNull] IEnumerable <IItem> items)
{
Debug.ArgumentNotNull(items, nameof(items));
int index;
if (target != null)
{
index = this.items.IndexOf(target);
if (position == ControlDragAdornerPosition.Bottom)
{
index++;
}
}
else
{
index = this.items.Count;
}
string placeholderKey = null;
var renderingTarget = target as RenderingItem;
if (renderingTarget != null)
{
placeholderKey = renderingTarget.PlaceholderKey.Key;
}
var modified = false;
LayoutDesignerItem selectedRendering = null;
foreach (var item in items)
{
var renderingItem = new RenderingItem(this, item);
var layoutItem = AddRendering(renderingItem, index, index);
var rendering = layoutItem as RenderingItem;
if (rendering != null && string.IsNullOrEmpty(rendering.PlaceholderKey.Key) && !string.IsNullOrEmpty(placeholderKey))
{
rendering.PlaceholderKey = new PlaceHolderKey(placeholderKey);
}
if (selectedRendering == null)
{
selectedRendering = layoutItem;
}
modified = true;
}
List.SelectedItem = selectedRendering;
Keyboard.Focus(List);
if (modified)
{
Modified = true;
}
}
private void Update(ControlDragAdornerPosition position)
{
LastPosition = position;
_adorner.Position = position;
var adornerLayer = AdornerLayer.GetAdornerLayer(Control);
adornerLayer.Update();
}
public ControlDragAdorner([NotNull] FrameworkElement control, ControlDragAdornerPosition allowedPositions)
{
Assert.ArgumentNotNull(control, nameof(control));
Control = control;
AllowedPositions = allowedPositions;
control.DragEnter += ControlDragEnter;
control.DragLeave += ControlDragLeave;
control.DragOver += ControlDragMove;
control.Drop += ControlDrop;
}
public static void GetSortOrder([NotNull] ItemTreeViewItem target, ControlDragAdornerPosition position, int itemCount, out int sortOrder, out int sortOrderDelta, [CanBeNull] out ItemTreeViewItem parent, [CanBeNull] out ItemTreeViewItem anchor)
{
Debug.ArgumentNotNull(target, nameof(target));
if (position == ControlDragAdornerPosition.Top)
{
GetBeforeSortOrder(target, itemCount, out sortOrder, out sortOrderDelta, out parent, out anchor);
return;
}
GetAfterSortOrder(target, itemCount, out sortOrder, out sortOrderDelta, out parent, out anchor);
}
public DragCopyPipeline WithParameters([NotNull] ItemTreeViewItem target, [NotNull] IEnumerable <IItem> items, ControlDragAdornerPosition position, DragDropKeyStates keyStates)
{
Assert.ArgumentNotNull(target, nameof(target));
Assert.ArgumentNotNull(items, nameof(items));
KeyStates = keyStates;
Target = target;
Items = items;
Position = position;
Start();
return(this);
}
private void MoveRenderings([CanBeNull] LayoutDesignerItem target, ControlDragAdornerPosition position)
{
var selectedItems = new List <LayoutDesignerItem>();
foreach (var selectedItem in List.SelectedItems.OfType <LayoutDesignerItem>())
{
selectedItems.Add(selectedItem);
}
if ((Keyboard.Modifiers & ModifierKeys.Shift) != ModifierKeys.Shift)
{
var text = string.Format("Are you sure you want to move these {0} elements?", selectedItems.Count);
if (selectedItems.Count == 1)
{
var selectedItem = selectedItems.First();
var renderingItem = selectedItem as RenderingItem;
if (renderingItem != null)
{
text = string.Format("Are you sure you want to move the '{0}' rendering?", renderingItem.GetDisplayName());
}
var placeholderItem = selectedItem as PlaceholderItem;
if (placeholderItem != null)
{
text = string.Format("Are you sure you want to move the '{0}' placeholder?", placeholderItem.Name);
}
}
if (AppHost.MessageBox(text, "Confirmation", MessageBoxButton.OKCancel, MessageBoxImage.Question) != MessageBoxResult.OK)
{
return;
}
}
var index = target != null?items.IndexOf(target) : items.Count;
foreach (var selectedItem in selectedItems)
{
var i = items.IndexOf(selectedItem);
if (i < index)
{
index--;
}
items.Remove(selectedItem);
}
if (target != null && items.IndexOf(target) >= 0 && position == ControlDragAdornerPosition.Bottom)
{
index++;
}
if (index < 0)
{
index = 0;
}
var modified = false;
object selected = null;
for (var n = selectedItems.Count - 1; n >= 0; n--)
{
var selectedItem = selectedItems[n];
if (selected == null)
{
selected = selectedItem;
}
items.Insert(index, selectedItem);
modified = true;
}
List.SelectedItem = selected;
if (modified)
{
Modified = true;
}
}
private void CopyRenderings([CanBeNull] LayoutDesignerItem target, ControlDragAdornerPosition position)
{
var selectedItems = List.SelectedItems.OfType <RenderingItem>().ToList();
if (!selectedItems.Any())
{
return;
}
var index = target != null?items.IndexOf(target) : items.Count;
if (target != null && items.IndexOf(target) >= 0 && position == ControlDragAdornerPosition.Bottom)
{
index++;
}
if (index < 0)
{
index = 0;
}
string placeholderKey = null;
var renderingTarget = target as RenderingItem;
if (renderingTarget != null)
{
placeholderKey = renderingTarget.PlaceholderKey.Key;
}
var writer = new StringWriter();
var output = new XmlTextWriter(writer);
output.WriteStartElement("renderings");
foreach (var selectedItem in selectedItems)
{
selectedItem.Write(output, true);
}
output.WriteEndElement();
var root = writer.ToString().ToXElement();
if (root == null)
{
return;
}
var renderings = root.Elements().Select(element => new RenderingItem(this, DatabaseUri, element, true)).ToList();
foreach (var rendering in renderings)
{
items.Insert(index, rendering);
if (!string.IsNullOrEmpty(placeholderKey))
{
rendering.PlaceholderKey = new PlaceHolderKey(placeholderKey);
}
}
List.SelectedItem = renderings.FirstOrDefault();
Modified = true;
}
