private void _btnClearCells_Click(object sender, EventArgs e)
{
_tvZonesList.SelectedNode.Nodes.Clear();
_viewerControl.ClearZoneCells((int)_tvZonesList.SelectedNode.Tag);
_tvZonesList.Focus();
UpdateUIState();
}
private void _areaTextBox_LostFocus(object sender, EventArgs e)
{
if (_tvZonesList.SelectedNode == null)
{
return;
}
// Make sure it is an integer and in valid range
OcrZone zone = CurrentZone;
LeadRect bounds = zone.Bounds;
TextBox tb = sender as TextBox;
int val;
if (!int.TryParse(tb.Text, out val) || val < 0)
{
ResetBoundsValue(tb, bounds);
return;
}
LeadRect newBounds = bounds;
// Calculate the new bounds
if (tb == _leftTextBox)
{
newBounds.X = val;
}
else if (tb == _topTextBox)
{
newBounds.Y = val;
}
else if (tb == _widthTextBox)
{
if (val == 0)
{
ResetBoundsValue(tb, bounds);
return;
}
newBounds.Width = val;
}
else if (tb == _heightTextBox)
{
if (val == 0)
{
ResetBoundsValue(tb, bounds);
return;
}
newBounds.Height = val;
}
// Make sure the new bounds does not go outside the page
LeadRect pageBounds = new LeadRect(0, 0, _ocrPage.Width, _ocrPage.Height);
if (!pageBounds.Contains(newBounds))
{
ResetBoundsValue(tb, bounds);
return;
}
// Valid value, update the bounds
zone.Bounds = newBounds;
CurrentZone = zone;
OcrZoneCell[] cells = null;
cells = _zones.GetZoneCells(_zones[(int)_tvZonesList.SelectedNode.Tag]);
if (_zones[(int)_tvZonesList.SelectedNode.Tag].ZoneType == OcrZoneType.Table &&
cells != null &&
_oldValue != val)
{
_tvZonesList.SelectedNode.Nodes.Clear();
_viewerControl.ClearZoneCells((int)_tvZonesList.SelectedNode.Tag);
}
}