public void DragOver(IDropInfo dropInfo)
{
PlaylistItemVM sourceItem = dropInfo.Data as PlaylistItemVM;
PlaylistItemVM targetItem = dropInfo.TargetItem as PlaylistItemVM;
if (sourceItem != null && targetItem != null)
{
dropInfo.DropTargetAdorner = DropTargetAdorners.Insert;
dropInfo.Effects = DragDropEffects.Copy;
}
}
void GongSolutions.Wpf.DragDrop.IDropTarget.DragOver(DropInfo dropInfo)
{
PlaylistItemVM sourceItem = dropInfo.Data as PlaylistItemVM;
PlaylistItemVM targetItem = dropInfo.TargetItem as PlaylistItemVM;
if (sourceItem != null && targetItem != null)
{
dropInfo.DropTargetAdorner = DropTargetAdorners.Insert;
dropInfo.Effects = DragDropEffects.Copy;
}
}
public void Drop(IDropInfo dropInfo)
{
PlaylistItemType itemType = PlaylistItemType.AnimeSeries;
int objIDOld = -1;
PlaylistItemVM pli = dropInfo.Data as PlaylistItemVM;
if (pli == null)
{
return;
}
if (pli.ItemType == PlaylistItemType.Episode)
{
AnimeEpisodeVM ep = (AnimeEpisodeVM)pli.PlaylistItem;
itemType = PlaylistItemType.Episode;
objIDOld = ep.AnimeEpisodeID;
}
if (pli.ItemType == PlaylistItemType.AnimeSeries)
{
AnimeSeriesVM ep = (AnimeSeriesVM)pli.PlaylistItem;
itemType = PlaylistItemType.AnimeSeries;
objIDOld = ep.AnimeSeriesID.Value;
}
int iType = (int)itemType;
// find where this item was previously
if (string.IsNullOrEmpty(this.PlaylistItems))
{
return;
}
string[] items = this.PlaylistItems.Split('|');
// create a new list without the moved item
string newItemList = "";
foreach (string pitem in items)
{
string[] parms = pitem.Split(';');
if (parms.Length != 2)
{
continue;
}
int objType = -1;
int objID = -1;
if (!int.TryParse(parms[0], out objType))
{
continue;
}
if (!int.TryParse(parms[1], out objID))
{
continue;
}
if (objType == iType && objID == objIDOld)
{
// skip the old item
}
else
{
if (newItemList.Length > 0)
{
newItemList += "|";
}
newItemList += string.Format("{0};{1}", objType, objID);
}
}
// insert the moved item into it's new position
items = newItemList.Split('|');
this.PlaylistItems = "";
int curPos = 0;
if (string.IsNullOrEmpty(newItemList))
{
// means there was only one item in list to begin with
PlaylistItems += string.Format("{0};{1}", iType, objIDOld);
}
else
{
foreach (string pitem in items)
{
string[] parms = pitem.Split(';');
if (parms.Length != 2)
{
continue;
}
int objType = -1;
int objID = -1;
int.TryParse(parms[0], out objType);
int.TryParse(parms[1], out objID);
if (curPos == dropInfo.InsertIndex)
{
// insert moved item
if (PlaylistItems.Length > 0)
{
PlaylistItems += "|";
}
PlaylistItems += string.Format("{0};{1}", iType, objIDOld);
}
if (PlaylistItems.Length > 0)
{
PlaylistItems += "|";
}
PlaylistItems += string.Format("{0};{1}", objType, objID);
curPos++;
}
}
// moved to the end of the list
if (dropInfo.InsertIndex > items.Length)
{
if (PlaylistItems.Length > 0)
{
PlaylistItems += "|";
}
PlaylistItems += string.Format("{0};{1}", iType, objIDOld);
}
Save();
PopulatePlaylistObjects();
PlaylistHelperVM.Instance.OnPlaylistModified(new PlaylistModifiedEventArgs(PlaylistID));
}
