public ContainerListDragButton(ContainerList parent)
{
InitializeComponent();
mParent = parent;
this.Margin = new Padding(0);
this.BackColor = parent.BackColor;
this.AllowDrop = true;
}
override public DragDropEffects ValidateDragTarget(Control toMove, Control target, DragEventArgs e)
{
PropertyFlowList ctrlMove = toMove.Tag as PropertyFlowList;
PropertyFlowList ctrlTarget = target.Tag as PropertyFlowList;
ContainerList targetList = target as ContainerList;
DynamicContainerList basidtargetList = target as DynamicContainerList;
//to empty list //Also a basic typed super list. Types must match
if (basidtargetList != null && ctrlMove != null)
{
if (basidtargetList.mListDataObjectType == ctrlMove.SelectedObject.GetType())
{
//if())
return(DragDropEffects.Move);
}
}
//What to do if it is just another super list?
//if (targetList != null && toMove != null)
//{
// SuperListDragButton button = toMove as SuperListDragButton;
// if (targetList.GetType() == button.GetParentList().GetType())
// {
// return DragDropEffects.Move;
// }
//}
if (ctrlMove == null || ctrlTarget == null)
{
return(DragDropEffects.None);
}
if ((e.KeyState & 8) == 8 && (e.AllowedEffect & DragDropEffects.Copy) == DragDropEffects.Copy)
{
//return DragDropEffects.Copy;
}
else if ((e.AllowedEffect & DragDropEffects.Move) == DragDropEffects.Move)
{
if (ctrlMove == ctrlTarget)
{
//we return move here because it makes the animation look better
return(DragDropEffects.Move);
}
if (ctrlMove.SelectedObject.GetType() == ctrlTarget.SelectedObject.GetType())
{
return(DragDropEffects.Move);
}
}
return(DragDropEffects.None);
}
public virtual void OnCopyRequest(ContainerList otherlist, ContainerListDragButton toMove)//, SuperListDragButton target)
{
//Control c = toMove.Tag as Control;
////otherlist.re
//OnDelete(toMove);
//otherlist.AddRow(c);
//OnReordered();
//otherlist.OnReordered();
//if (NeedsResize != null)
// NeedsResize(this, null);
}
public void OnTransferRequest(ContainerList otherlist, ContainerListDragButton toMove)//, SuperListDragButton target)
{
Control c = toMove.Tag as Control;
//otherlist.re
OnDelete(toMove);
otherlist.AddRow(c);
OnReordered();
otherlist.OnReordered();
if (NeedsResize != null)
{
NeedsResize(this, null);
}
}
override public void HandleDrop(DragEventArgs e, ContainerListDragButton otherButton, ContainerListDragButton thisButton)
{
PropertyFlowList ctrlMove = otherButton.Tag as PropertyFlowList;
PropertyFlowList ctrlTarget = thisButton.Tag as PropertyFlowList;
if (e.Effect == DragDropEffects.Move)
{
//if (ctrlMove.SelectedObject == ctrlTarget.SelectedObject)
if (ctrlMove.Parent == ctrlTarget.Parent)
{
this.OnReOrderRequest(otherButton, thisButton);
}
else if (ctrlMove.SelectedObject.GetType() == ctrlTarget.SelectedObject.GetType())
{
ContainerList senderParent = otherButton.GetParentList();
senderParent.OnTransferRequest(this, otherButton);
//return DragDropEffects.Move;
}
}
}
void SuperList_DragDrop(object sender, DragEventArgs e)
{
if (mControls.Count == 0)
{
if (e.Data.GetDataPresent(typeof(ContainerListDragButton)))
{
object data = e.Data.GetData(typeof(ContainerListDragButton));
ContainerListDragButton otherButton = data as ContainerListDragButton;
if (otherButton != null)
{
ContainerList senderParent = otherButton.GetParentList();
if (e.Effect == DragDropEffects.Move)
{
senderParent.OnTransferRequest(this, otherButton);
}
else if (e.Effect == DragDropEffects.Copy)
{
senderParent.OnCopyRequest(this, otherButton);
}
}
}
}
}
