public void InitiateReplacementMove(SMControl target, SMWordBase replaced)
{
if (target == null)
{
return;
}
if (target is SMTextViewBase)
{
SMTextViewBase tvb = (SMTextViewBase)target;
StringBuilder sb = new StringBuilder();
foreach (SMWordBase wb in this.drawWords)
{
if (wb is SMWordText)
{
if (wb == replaced)
{
sb.AppendFormat("<edit text=\"{0}\" tag=\"\">", (wb as SMWordText).text);
}
else
{
sb.Append((wb as SMWordText).text);
}
}
}
tvb.Text = sb.ToString();
tvb.TextDidChange();
}
}
public override SMTokenItem GetDraggableItem(Point point)
{
SMWordBase wt = GetItemAtPoint(point);
if (wt == null || !wt.IsDraggable)
{
return(null);
}
return(wt.GetDraggableItem());
}
public override bool OnDropFinished(PVDragContext dc)
{
bool needUpdateDrawWords = false;
/*if (this.Cardinality == SMConnectionCardinality.One && dc.draggedItem != null)
* {
* drawWords.Clear();
* DroppedItems.Clear();
* drawWordsModified = true;
* needUpdateDrawWords = true;
* }
* else if (this.Cardinality == SMConnectionCardinality.Many)
* {
* needUpdateDrawWords = true;
* }
* else*/
{
if (dc.draggedItem != null)
{
Point p = dc.lastPoint;
p.Offset(-Area.Left, -Area.Top);
SMWordToken lastToken = null;
foreach (SMWordBase wt in drawWords)
{
if (wt is SMWordToken)
{
lastToken = wt as SMWordToken;
}
if (wt.rect.Contains(p))
{
if (wt is SMWordToken)
{
SMWordToken wtk = (SMWordToken)wt;
if (wtk.Editable)
{
wtk.AcceptString(dc.draggedItem.Tag);
wtk.UIStateHover = false;
drawWordsModified = true;
return(true);
}
else if (wtk.Cardinality == SMConnectionCardinality.One || wtk.Cardinality == SMConnectionCardinality.Many)
{
wtk.UIStateHover = false;
return(SendContentToToken(dc, wtk));
}
}
}
}
if (DropablesCount == 1 && lastToken != null)
{
return(SendContentToToken(dc, lastToken));
}
}
}
if (base.OnDropFinished(dc) && needUpdateDrawWords)
{
SMWordBase wr = null;
if (dc.draggedItem.Image != null)
{
wr = new SMWordImage(this.Font, dc.draggedItem);
}
else
{
wr = new SMWordText(this.Font, dc.draggedItem);
}
wr.Evaluation = this.HasImmediateEvaluation ? MNEvaluationType.Immediate : MNEvaluationType.Lazy;
drawWords.Add(wr);
drawWordsModified = true;
return(true);
}
return(false);
}