public PasteToTargetOperationUI(PasteToTargetOperation op, IWpfTextViewHost targetHost)
{
_op = op;
_op.StateChanged += _op_StateChanged;
m_targetHost = targetHost;
m_adornment = new PasteToTargetStatusAdornment(m_targetHost.TextView);
m_adornment.Cancel += adornment_Cancel;
m_highlightTarget = m_targetHost.TextView.Properties.GetOrCreateSingletonProperty <PasteToTargetHighlight>(delegate
{
throw new Exception("Unexpected: ITagger PasteToTargetHighlight was not created");
});
m_highlightTarget.FireTagsChanged(
PasteToTargetState.CaptureMode,
_op.SelectionState.GetSelectedSpans(m_targetHost.TextView.TextBuffer.CurrentSnapshot));
}
void _op_StateChanged(object sender, PasteToTargetState e)
{
switch (e)
{
case PasteToTargetState.CaptureMode:
m_adornment.Visible = true;
break;
case PasteToTargetState.Inactive:
m_adornment.Visible = false;
m_adornment = null;
m_highlightTarget.FireTagsChanged(e, null);
m_highlightTarget = null;
break;
}
if (m_adornment != null)
{
m_adornment.State = e;
}
}