protected override bool GetEnabled(string ribbonId)
{
Selection currentSelection = this.GetCurrentSelection();
return(!ClipboardUtil.IsClipboardEmpty() &&
ShapeUtil.IsSelectionSingleShape(currentSelection) &&
!ShapeUtil.HasPlaceholderInSelection(currentSelection));
}
// Sealed method: Subclasses should override ExecutePasteAction instead
protected sealed override void ExecuteAction(string ribbonId)
{
this.StartNewUndoEntry();
PowerPointPresentation presentation = this.GetCurrentPresentation();
PowerPointSlide slide = this.GetCurrentSlide();
Selection selection = this.GetCurrentSelection();
if (ClipboardUtil.IsClipboardEmpty())
{
Logger.Log(ribbonId + " failed. Clipboard is empty.");
MessageBox.Show(PasteLabText.ErrorEmptyClipboard, PasteLabText.ErrorDialogTitle);
return;
}
ShapeRange passedSelectedShapes = null;
ShapeRange passedSelectedChildShapes = null;
if (ShapeUtil.IsSelectionShape(selection) && !IsSelectionIgnored(ribbonId))
{
// When pasting some objects, the selection may change to the pasted object (e.g. jpg from desktop).
// Therefore we must capture the selection first.
ShapeRange selectedShapes = selection.ShapeRange;
// Preserve selection by tagging them
for (int i = 1; i <= selectedShapes.Count; i++)
{
selectedShapes[i].Tags.Add(SelectOrderTagName, i.ToString());
}
ShapeRange selectedChildShapes = null;
if (selection.HasChildShapeRange)
{
selectedChildShapes = selection.ChildShapeRange;
for (int i = 1; i <= selectedChildShapes.Count; i++)
{
selectedChildShapes[i].Tags.Add(SelectChildOrderTagName, i.ToString());
}
}
// Corruption correction
ShapeRange correctedShapes = ShapeUtil.CorruptionCorrection(selectedShapes, slide);
// Reselect the preserved selections
List <Shape> correctedShapeList = new List <Shape>();
List <Shape> correctedChildShapeList = new List <Shape>();
foreach (Shape shape in correctedShapes)
{
correctedShapeList.Add(shape);
correctedChildShapeList.AddRange(ShapeUtil.GetChildrenWithNonEmptyTag(shape, SelectChildOrderTagName));
}
correctedShapeList.Sort((sh1, sh2) => int.Parse(sh1.Tags[SelectOrderTagName]) - int.Parse(sh2.Tags[SelectOrderTagName]));
correctedChildShapeList.Sort((sh1, sh2) => int.Parse(sh1.Tags[SelectChildOrderTagName]) - int.Parse(sh2.Tags[SelectChildOrderTagName]));
passedSelectedShapes = slide.ToShapeRange(correctedShapeList);
passedSelectedChildShapes = slide.ToShapeRange(correctedChildShapeList);
// Remove shape tags after they have been used
ShapeUtil.DeleteTagFromShapes(passedSelectedShapes, SelectOrderTagName);
ShapeUtil.DeleteTagFromShapes(passedSelectedChildShapes, SelectChildOrderTagName);
}
ShapeRange result = ExecutePasteAction(ribbonId, presentation, slide, passedSelectedShapes, passedSelectedChildShapes);
if (result != null)
{
result.Select();
}
}
protected override bool GetEnabled(string ribbonId)
{
return(!ClipboardUtil.IsClipboardEmpty());
}