/// <summary>
/// If we are in ReadOnlySelect mode, intercept the click, and select the appropriate row
/// without installing a normal selection.
/// </summary>
/// <param name="e"></param>
protected override void OnMouseUp(MouseEventArgs e)
{
//If XmlBrouseView did not receive a mouse down event then we do not want to
//do anything on the mouseUp because the mouseUp would have come from clicking
//somewhere else. LT-8939
if (!m_fMouseUpEnabled)
{
return;
}
try
{
if (m_selectedIndex == -1)
{
return; // Can't do much in an empty list, so quit.
}
m_fHandlingMouseUp = true;
#pragma warning disable 219
int oldSelectedIndex = m_selectedIndex;
#pragma warning restore 219
// Note all the stuff we might want to know about what was clicked that we will
// use later. We want to get this now before anything changes, because there can
// be scrolling effects from converting dummy objects to real.
IVwSelection vwsel = MakeSelectionAt(e);
int newSelectedIndex = GetRowIndexFromSelection(vwsel, true);
// If we're changing records, we need to do some tricks to keep the selection in the place
// clicked and the focus here. Save the information we will need.
SelectionHelper clickSel = null;
if (newSelectedIndex != SelectedIndex && vwsel != null && SelectionHelper.IsEditable(vwsel))
{
clickSel = SelectionHelper.Create(vwsel, this);
}
ITsString tssWord = null; // word clicked for click copy
ITsString tssSource = null; // whole source string of clicked cell for click copy
int hvoNewSelRow = 0; // hvo of new selected row (only for click copy)
int ichStart = 0; // of tssWord in tssSource
if (ClickCopy != null && e.Button == MouseButtons.Left && newSelectedIndex >= 0)
{
if (vwsel != null && vwsel.SelType == VwSelType.kstText)
{
int icol = vwsel.get_BoxIndex(false, 3);
if (icol != Vc.OverrideAllowEditColumn + 1)
{
IVwSelection vwSelWord = vwsel.GrowToWord();
// GrowToWord() can return a null -- see LT-9163 and LT-9349.
if (vwSelWord != null)
{
vwSelWord.GetSelectionString(out tssWord, " ");
tssWord = StripTrailingNewLine(tssWord);
hvoNewSelRow = m_sda.get_VecItem(m_hvoRoot, m_fakeFlid,
newSelectedIndex);
int hvoObj, tag, ws;
bool fAssocPrev;
vwSelWord.TextSelInfo(false, out tssSource, out ichStart, out fAssocPrev, out hvoObj,
out tag, out ws);
}
}
}
}
// We need to manually change the index for ReadOnly views.
// SimpleRootSite delegates RightMouseClickEvent to our RecordBrowseView parent,
// which also makes the selection for us..
if (ReadOnlySelect && e.Button != MouseButtons.Right)
{
if (this.m_xbvvc.HasSelectColumn && e.X < m_xbvvc.SelectColumnWidth)
{
base.OnMouseUp(e); // allows check box to operate.
}
}
else
{
// If we leave this set, the base method call's side effects like updating the WS combo
// don't happen.
m_fHandlingMouseUp = false;
base.OnMouseUp(e); // normal behavior.
m_fHandlingMouseUp = true;
}
SetSelectedIndex(newSelectedIndex);
if (tssWord != null)
{
// We're doing click copies; generate an event.
// Do this AFTER other actions which may change the current line.
ClickCopy(this, new ClickCopyEventArgs(tssWord, hvoNewSelRow, tssSource, ichStart));
}
if (clickSel != null)
{
IVwSelection finalSel = null;
// There seem to be some cases where the selection helper can't restore the selection.
// One that came up in FWR-3666 was clicking on a check box.
// If we can't re-establish an editiable selection just let the default behavior continue.
try
{
finalSel = clickSel.MakeRangeSelection(RootBox, false);
}
catch (Exception)
{
}
if (finalSel != null && SelectionHelper.IsEditable(finalSel))
{
finalSel.Install();
FocusMe();
}
}
}
finally
{
m_fHandlingMouseUp = false;
m_fMouseUpEnabled = false;
}
}
