public void SetSupportedDragDropEffects(DragDropEffectsEx effects, DragDropEffectsEx defaultEffect = DragDropEffectsEx.Copy)
{
ContextMenu.Items.Clear();
foreach (var e in Enum.GetValues(typeof(DragDropEffectsEx)))
{
DragDropEffectsEx curEffect = (DragDropEffectsEx)e;
if (curEffect != DragDropEffectsEx.None && effects.HasFlag(curEffect))
{
var header = new TextBlock()
{
Text = curEffect.ToString()
};
if (curEffect.Equals(defaultEffect))
{
header.FontWeight = FontWeights.Bold;
ContextMenu.Items.Insert(0, new MenuItem()
{
Tag = e, Header = header
});
}
else
{
ContextMenu.Items.Add(new MenuItem()
{
Tag = e, Header = header
});
}
}
}
}
private void init(IDataObject dataObject,
DragDropEffectsEx allowedEffects, Action <DragDropEffectsEx> effectSetFunc)
{
Data = dataObject;
AllowedEffects = allowedEffects;
_effectSetFunc = effectSetFunc;
}
protected override IScriptCommand executeInner(ParameterDic pm, UIElement sender, RoutedEventArgs evnt, IUIInput input, IList <IUIInputProcessor> inpProcs)
{
DragEventArgs devnt = evnt as DragEventArgs;
ISupportDrop dropTarget = pm.GetValue <ISupportDrop>(DropTargetKey);
IEnumerable <IDraggable> draggables = pm.GetValue <IEnumerable <IDraggable> >(DraggablesKey);
DragDropEffectsEx allowedEffects = pm.HasValue(AllowedEffectsKey) ? pm.GetValue <DragDropEffectsEx>(AllowedEffectsKey)
: devnt != null ? (DragDropEffectsEx)devnt.AllowedEffects : DragDropEffectsEx.All;
if (dropTarget != null && draggables != null)
{
QueryDropEffects queryDropEffect = QueryDropEffects.None;
if (devnt != null)
{
queryDropEffect = dropTarget.QueryDrop(draggables, allowedEffects);
devnt.Effects = (DragDropEffects)queryDropEffect.SupportedEffects;
}
else
{
queryDropEffect = dropTarget.QueryDrop(draggables, allowedEffects);
}
pm.SetValue(DestinationKey, queryDropEffect, SkipIfExists);
}
return(NextCommand);
}
private bool dragStart(ParameterDic pm, IUIInput input, string mode)
{
ISupportDrag isd = pm.GetValue <ISupportDrag>(DragSourceKey);
if (pm.GetValue <string>(DragDropModeKey) == null && isd != null)
{
var draggables = isd.GetDraggables();
IDataObject dataObj = isd is ISupportShellDrag ?
(isd as ISupportShellDrag).GetDataObject(draggables) : null;
DragDropEffectsEx effect = isd.QueryDrag(draggables);
pm.SetValue(DragDropModeKey, mode);
pm.SetValue(DragDropDeviceKey, input.InputType);
pm.SetValue(DragDropDraggingItemsKey, draggables);
pm.SetValue(DragDropEffectsKey, effect);
pm.SetValue(DragDropDragSourceKey, isd);
pm.SetValue(ParameterDic.CombineVariable(DragDropDragSourceKey, ".IsDraggingFrom", false), true);
pm.SetValue(DragDropStartPositionKey, pm.GetValue <Point>(CurrentPositionAdjustedKey));
pm.SetValue(InputKey, new DragInput(input, dataObj, DragDropEffectsEx.Copy, (eff) => { }));
return(true);
}
return(false);
}
public override QueryDropEffects QueryDrop(IEnumerable <T> models, DragDropEffectsEx allowedEffects)
{
if (models.Count() > 0)
{
return(QueryDropEffects.CreateNew(DragDropEffectsEx.Move));
}
_tcvm.SelectedItem = _tvm;
return(QueryDropEffects.None);
}
public void OnDragCompleted(IEnumerable <IDraggable> draggables, DragDropEffectsEx effect)
{
if (effect == DragDropEffectsEx.Move)
{
foreach (var item in Items.Where(i => i.IsSelected).ToList())
{
Items.Remove(item);
}
}
}
public void OnDragCompleted(IEnumerable <IDraggable> draggables, DragDropEffectsEx effect)
{
if (effect == DragDropEffectsEx.Move)
{
foreach (var item in draggables.Cast <DragDropItemViewModel>())
{
if (Items.Contains(item))
{
Items.Remove(item);
}
}
}
}
public void SetFileDropData(IFileDropItem[] fileDrops, DragDropEffectsEx effects = DragDropEffectsEx.Copy)
{
_fileDrops = fileDrops;
string[] _fileNames = (from fd in _fileDrops select fd.FileSystemPath).ToArray();
SetData(DataFormats.FileDrop, _fileNames);
SetData(ShellClipboardFormats.CFSTR_PREFERREDDROPEFFECT, effects);
IsVirtual = fileDrops.Any(fd => fd.IsVirtual);
if (IsVirtual)
{
SetData(ShellClipboardFormats.CFSTR_INDRAGLOOP, 1);
}
}
public QueryDropEffects QueryDrop(IEnumerable <IDraggable> draggables, DragDropEffectsEx allowedEffects)
{
if (draggables.Count() == 0)
{
return(QueryDropEffects.None);
}
foreach (var dm in draggables.Cast <DragDropItemViewModel>())
{
if (dm.Value == this.Value)
{
return(QueryDropEffects.None);
}
}
return(QueryDropEffects.CreateNew(DragDropEffectsEx.Move | DragDropEffectsEx.Copy, DragDropEffectsEx.Move));
}
public override void OnDragCompleted(IEnumerable <IDraggable> draggables, DragDropEffectsEx effect)
{
if (effect == DragDropEffectsEx.Move)
{
foreach (var b in draggables.Where(d => d is BookmarkModel).Cast <BookmarkModel>())
{
BookmarkModel parentModel = b.Parent as BookmarkModel;
if (parentModel != null)
{
parentModel.Remove(b.Label);
}
(parentModel.Profile as BookmarkProfile).RaiseEntryChanged(
new EntryChangedEvent(ChangeType.Deleted, b.FullPath));
}
}
}
public override DragDropEffectsEx Drop(IEnumerable <IDraggable> draggables, DragDropEffectsEx allowedEffects)
{
foreach (var e in draggables.Where(d => d is IEntryModel).Cast <IEntryModel>())
{
BookmarkModel be = e as BookmarkModel;
if (be != null)
{
add(be, _dropTarget as BookmarkModel);
}
else
{
_dropTarget.AddLink(e.Label, e.FullPath);
}
}
return(allowedEffects);
}
protected override IScriptCommand executeInner(ParameterDic pm, UIElement sender, RoutedEventArgs evnt, IUIInput input, IList <IUIInputProcessor> inpProcs)
{
DragEventArgs devnt = evnt as DragEventArgs;
ISupportDrag dragSource = pm.GetValue <ISupportDrag>(DragSourceKey);
ISupportDrop dropTarget = pm.GetValue <ISupportDrop>(DropTargetKey);
IEnumerable <IDraggable> draggables = pm.GetValue <IEnumerable <IDraggable> >(DraggablesKey).ToList();
if (dropTarget != null && draggables != null)
{
DragDropEffectsEx effect =
pm.HasValue <DragDropEffectsEx>(DropEffectKey) ? pm.GetValue <DragDropEffectsEx>(DropEffectKey) :
devnt != null ? (DragDropEffectsEx)devnt.AllowedEffects : DragDropEffectsEx.All;
DragDropEffectsEx resultEffect = DragDropEffectsEx.None;
var dataObj = pm.GetValue <IDataObject>(DataObjectKey);
if (effect != DragDropEffectsEx.None)
{
if (dropTarget is ISupportShellDrop)
{
resultEffect = (dropTarget as ISupportShellDrop).Drop(draggables, dataObj, effect);
}
else
{
resultEffect = dropTarget.Drop(draggables, effect);
}
}
if (devnt != null)
{
devnt.Effects = (DragDropEffects)resultEffect;
}
pm.SetValue(DestinationKey, resultEffect, SkipIfExists);
if (dragSource != null)
{
dragSource.OnDragCompleted(draggables, resultEffect);
}
}
return(NextCommand);
}
//public IEnumerable<IDraggable> QueryDropDraggables(IDataObject da)
//{
// if (da.GetDataPresent(Format_DragDropItem))
// {
// var data = da.GetData(Format_DragDropItem) as int[];
// for (int i = 0; i < data.Length; i++)
// yield return new DragDropItemViewModel(data[i], IsChildDroppable, IsChildDroppable);
// }
//}
public DragDropEffectsEx Drop(IEnumerable <IDraggable> draggable, DragDropEffectsEx allowedEffects)
{
if (allowedEffects.HasFlag(DragDropEffectsEx.Move) ||
allowedEffects.HasFlag(DragDropEffectsEx.Copy))
{
var draggableViewModels = draggable.Cast <DragDropItemViewModel>();
if (draggableViewModels.Any())
{
int idx = 0;
foreach (var d in draggableViewModels)
{
Items.Insert(idx++, d);
}
}
return(DragDropEffectsEx.Move);
}
else
{
return(DragDropEffectsEx.None);
}
}
public DragDropEffectsEx OnDropCompleted(IEnumerable <IEntryModel> entries, IDataObject da, IEntryModel destDir, DragDropEffectsEx allowedEffects)
{
string fileName = PathEx.GetFileName(destDir.FullPath);
if (fileName == null)
{
fileName = destDir.FullPath;
}
if (entries.Count() == 0)
{
return(DragDropEffectsEx.None);
}
if (entries.Any(e => e.Equals(destDir) || e.Parent.Equals(destDir)))
{
return(DragDropEffectsEx.None);
}
//if (MessageBox.Show(
// String.Format("[OnDropCompleted] ({2}) {0} entries to {1}",
// entries.Count(), fileName, allowedEffects), "FileBasedDragDropHandler.OnDropCompleted", MessageBoxButton.YesNo) == MessageBoxResult.Yes)
{
DragDropEffectsEx effect = allowedEffects.HasFlag(DragDropEffectsEx.Copy) ? DragDropEffectsEx.Copy :
allowedEffects.HasFlag(DragDropEffectsEx.Move) ? DragDropEffectsEx.Move : DragDropEffectsEx.None;
if (effect == DragDropEffectsEx.None)
{
return(DragDropEffectsEx.None);
}
ScriptRunner.RunScriptAsync(
WPFScriptCommands.ShowProgress(effect.ToString(),
IOScriptCommands.DiskTransfer(entries.ToArray(), destDir, effect == DragDropEffectsEx.Move, true), true));
return(effect);
};
return(DragDropEffectsEx.None);
}
public override IScriptCommand Execute(ParameterDic pm)
{
DragAdorner dragAdorner = pm.GetValue <DragAdorner>(AdornerKey);
DragDropEffectsEx supportedEffects = pm.GetValue <DragDropEffectsEx>(SupportedEffectsKey, DragDropEffectsEx.All);
DragDropEffectsEx defaultEffect = pm.GetValue <DragDropEffectsEx>(DefaultEffectKey, DragDropEffectsEx.Copy);
RoutedEventHandler ContextMenu_Closed = null;
ContextMenu_Closed = (o, e) =>
{
dragAdorner.ContextMenu.RemoveHandler(ContextMenu.ClosedEvent, ContextMenu_Closed);
pm.SetValue(ResultEffectKey, dragAdorner.DragDropEffect);
ScriptRunner.RunScriptAsync(pm, OnCloseCommand);
};
dragAdorner.SetSupportedDragDropEffects(supportedEffects, defaultEffect);
dragAdorner.ContextMenu.AddHandler(ContextMenu.ClosedEvent, ContextMenu_Closed);
dragAdorner.ContextMenu.IsOpen = true;
return(NextCommand);
}
public override DragDropEffectsEx Drop(IEnumerable <IDraggable> sourceDraggable, IDataObject da, DragDropEffectsEx allowedEffects)
{
var sourceVM = sourceDraggable.FirstOrDefault() as T;
if (sourceVM != null)
{
int thisIdx = _tcvm.GetTabIndex(_tvm);
int srcIdx = _tcvm.GetTabIndex(sourceVM);
if (srcIdx != -1 && thisIdx != -1)
{
int destIdx = thisIdx > srcIdx ? thisIdx - 1 : thisIdx;
if (destIdx != -1 && srcIdx != destIdx)
{
_tcvm.MoveTab(srcIdx, destIdx);
return(DragDropEffectsEx.Move);
}
}
}
return(DragDropEffectsEx.None);
}
public void OnDragCompleted(IEnumerable <IDraggable> draggables, DragDropEffectsEx effect)
{
}
public DragInput(IUIInput sourceInput, IDataObject dataObject,
DragDropEffectsEx allowedEffects, Action <DragDropEffectsEx> effectSetFunc)
{
_sourceInput = sourceInput;
init(dataObject, allowedEffects, effectSetFunc);
}
public DragDropEffectsEx Drop(IEnumerable <IDraggable> draggables, DragDropEffectsEx allowedEffects)
{
return(Drop(Convert(draggables, true), allowedEffects));
}
public abstract void OnDragCompleted(IEnumerable <IDraggable> draggables, IDataObject da, DragDropEffectsEx effect);
public DragDropEffectsEx Drop(IEnumerable <IDraggable> draggables, DragDropEffectsEx allowedEffects)
{
return(DragDropEffectsEx.None);
}
public void OnDragCompleted(IEnumerable <IDraggable> draggables, IDataObject da, DragDropEffectsEx effect)
{
if (_dragCompletedAction == null)
{
throw new ArgumentException();
}
var entryModels = draggables.Select(d => _convertBackFunc(d));
_dragCompletedAction(entryModels, da, effect);
}
public override DragDropEffectsEx Drop(IEnumerable <IDraggable> draggables, IDataObject da, DragDropEffectsEx allowedEffects)
{
return(DragDropEffectsEx.None);
}
public override DragDropEffectsEx Drop(IEnumerable <IDraggable> draggables, DragDropEffectsEx allowedEffects)
{
return(Drop(draggables, null, allowedEffects));
}
public abstract DragDropEffectsEx Drop(IEnumerable <IDraggable> draggables, IDataObject da, DragDropEffectsEx allowedEffects);
public override void OnDragCompleted(IEnumerable <IDraggable> draggables, DragDropEffectsEx effect)
{
OnDragCompleted(draggables, null, effect);
}
public override DragDropEffectsEx Drop(IEnumerable <M> models, DragDropEffectsEx allowedEffects)
{
return(_dropFunc(models, allowedEffects));
}
public abstract DragDropEffectsEx Drop(IEnumerable <M> models, DragDropEffectsEx allowedEffects);
public override QueryDropEffects QueryDrop(IEnumerable <IDraggable> draggables, DragDropEffectsEx allowedEffects)
{
return(QueryDropEffects.None);
}
public override void OnDragCompleted(IEnumerable <M> models, IDataObject da, DragDropEffectsEx effect)
{
_onDragCompletedAction(models, da, effect);
}
