protected override bool DoInsertData(DataAction action, MarkupPointer begin, MarkupPointer end)
{
// get a reference to the underlying data object
IDataObject dataObject = DataMeister.IDataObject;
string dataObjectInstanceId = dataObject.GetData(SmartContentDataObject.INSTANCE_ID_DATAFORMAT) as string;
if (EditorContext.EditorId.Equals(dataObjectInstanceId))
{
// get the internal items out of the data object
string smartContentElementId = (string)dataObject.GetData(SmartContentDataObject.INTERNAL_SMART_CONTENT_DATAFORMAT);
IHTMLElement element = (EditorContext.HtmlDocument as IHTMLDocument3).getElementById(smartContentElementId);
Debug.Assert(element != null, "Invalid smart content item id detected: " + smartContentElementId);
if (element != null)
{
MarkupRange elementRange = EditorContext.MarkupServices.CreateMarkupRange(element, true);
MarkupPointer insertionPoint = begin;
MarkupPointerMoveHelper.PerformImageBreakout(insertionPoint);
insertionPoint.PushCling(false);
insertionPoint.PushGravity(_POINTER_GRAVITY.POINTER_GRAVITY_Left);
//verify the insertion point is inside of the same content editable parent (bug 290729)
if (!IsValidInsertionPoint(element, insertionPoint))
{
return(false);
}
try
{
if (InlineEditField.IsEditField(insertionPoint.CurrentScope))
{
// If we are in an edit field, since we strip the content wdown to plain text we have to use
// InsertHtml. However, this means we need to move the content via a string. This sucks because
// we break any markup ranges in that area. This is why ignore once will not work in edit fields.
EditorContext.MarkupServices.Remove(begin, end);
string html = elementRange.HtmlText;
EditorContext.MarkupServices.Remove(elementRange.Start, elementRange.End);
EditorContext.InsertHtml(insertionPoint, insertionPoint, html, null);
}
else
{
EditorContext.MarkupServices.Remove(begin, end);
EditorContext.MarkupServices.Move(elementRange.Start, elementRange.End, insertionPoint);
}
return(true);
}
finally
{
insertionPoint.PopCling();
insertionPoint.PopGravity();
}
}
}
return(false);
}
/// <summary>
/// Notify the data format handler that data was dropped and should be inserted into
/// the document at whatever insert location the handler has internally tracked.
/// </summary>
/// <param name="action"></param>
public override bool DataDropped(DataAction action)
{
if (currentCaretLocation == null)
{
return(false);
}
// create two markup pointers that map to the location of the caret
MarkupPointer begin = EditorContext.MarkupServices.CreateMarkupPointer();
MarkupPointer end = EditorContext.MarkupServices.CreateMarkupPointer();
EditorContext.MarkupServices.MoveMarkupPointerToCaret(currentCaretLocation, begin);
MarkupPointerMoveHelper.PerformImageBreakout(begin);
//optimize the drop location to keep it from being in an unexpected location (fixes bug 395224)
if (EditorContext.ShouldMoveDropLocationRight(begin))
{
begin.Right(true);
}
//synchronize the end pointer with the being pointer
end.MoveToPointer(begin);
MarkupRange selectedRange = EditorContext.SelectedMarkupRange;
// WinLive 91888 Photomail image drag drop loses images
//if (!selectedRange.IsEmpty() && selectedRange.InRange(end))
if (!selectedRange.IsEmpty() && selectedRange.InRange(end, false))
{
//the drop location is over the drag source location, so don't so anything.
return(false);
}
// Forces a SelectionChanged event so that the correct behaviors around the drop location are activated.
// For example, one side effect of this call is that the OnEditableRegionFocusChanged event is fired, which
// sets whether the current drop location in the canvas supports images, html and/or text.
MarkupRange dropRange = EditorContext.MarkupServices.CreateMarkupRange(begin, end);
dropRange.ToTextRange().select();
try
{
// insert the data at the current insertion point
return(InsertData(action, begin, end));
}
catch (Exception e)
{
Trace.Fail(e.Message, e.StackTrace);
return(false);
}
}
