/// <summary>Lock the left most number of columns.</summary>
/// <param name="number"></param>
public void LockLeftMostColumns(int number)
{
if (number == numberLockedCols || !Grid.IsMapped)
{
return;
}
for (int i = 0; i < gridmodel.NColumns; i++)
{
if (Fixedcolview.Columns.Length > i)
{
Fixedcolview.Columns[i].Visible = i < number;
if (Fixedcolview.Columns[i].Visible && headerHeight > 0 && Fixedcolview.Columns[i].Widget != null)
{
Fixedcolview.Columns[i].Widget.HeightRequest = headerHeight;
}
}
if (Grid.Columns.Length > i)
{
Grid.Columns[i].Visible = i >= number;
if (refColWidget == null & Grid.Columns[i].Visible)
{
refColWidget = Grid.Columns[i].Widget;
if (refColWidget != null)
{
refColWidget.SizeAllocated += RefColWidget_SizeAllocated;
}
}
}
}
if (number > 0)
{
if (numberLockedCols == 0)
{
Grid.Vadjustment.ValueChanged += Gridview_Vadjustment_Changed;
Grid.Selection.Changed += Gridview_CursorChanged;
Fixedcolview.Vadjustment.ValueChanged += Fixedcolview_Vadjustment_Changed1;
Fixedcolview.Selection.Changed += Fixedcolview_CursorChanged;
Gridview_CursorChanged(this, EventArgs.Empty);
Gridview_Vadjustment_Changed(this, EventArgs.Empty);
}
if (!splitter.Child1.Visible)
{
//Grid.Vadjustment.ValueChanged += GridviewVadjustmentChanged;
//Grid.Selection.Changed += GridviewCursorChanged;
//fixedcolview.Vadjustment.ValueChanged += FixedcolviewVadjustmentChanged;
//fixedcolview.Selection.Changed += FixedcolviewCursorChanged;
//GridviewCursorChanged(this, EventArgs.Empty);
//GridviewVadjustmentChanged(this, EventArgs.Empty);
}
Fixedcolview.Model = gridmodel;
Fixedcolview.Visible = true;
splitter.Child1.NoShowAll = false;
splitter.ShowAll();
splitter.PositionSet = true;
int splitterWidth = (int)splitter.StyleGetProperty("handle-size");
if (splitter.Allocation.Width > 1)
{
splitter.Position = Math.Min(Fixedcolview.WidthRequest + splitterWidth, splitter.Allocation.Width / 2);
}
else
{
splitter.Position = Fixedcolview.WidthRequest + splitterWidth;
}
}
else
{
Grid.Vadjustment.ValueChanged -= Gridview_Vadjustment_Changed;
Grid.Selection.Changed -= Gridview_CursorChanged;
Fixedcolview.Vadjustment.ValueChanged -= Fixedcolview_Vadjustment_Changed1;
Fixedcolview.Selection.Changed -= Fixedcolview_CursorChanged;
Fixedcolview.Visible = false;
splitter.Position = 0;
splitter.Child1.Hide();
}
numberLockedCols = number;
}
/// <summary>Lock the left most number of columns.</summary>
/// <param name="number"></param>
public void LockLeftMostColumns(int number)
{
if (number == numberLockedCols || !gridview.IsMapped)
{
return;
}
for (int i = 0; i < gridmodel.NColumns; i++)
{
if (fixedcolview.Columns.Length > i)
{
fixedcolview.Columns[i].Visible = i < number;
}
if (gridview.Columns.Length > i)
{
gridview.Columns[i].Visible = i >= number;
}
}
if (number > 0)
{
if (numberLockedCols == 0)
{
gridview.Vadjustment.ValueChanged += Gridview_Vadjustment_Changed;
gridview.Selection.Changed += Gridview_CursorChanged;
fixedcolview.Vadjustment.ValueChanged += Fixedcolview_Vadjustment_Changed1;
fixedcolview.Selection.Changed += Fixedcolview_CursorChanged;
Gridview_CursorChanged(this, EventArgs.Empty);
Gridview_Vadjustment_Changed(this, EventArgs.Empty);
}
if (!splitter.Child1.Visible)
{
//Grid.Vadjustment.ValueChanged += GridviewVadjustmentChanged;
//Grid.Selection.Changed += GridviewCursorChanged;
//fixedcolview.Vadjustment.ValueChanged += FixedcolviewVadjustmentChanged;
//fixedcolview.Selection.Changed += FixedcolviewCursorChanged;
//GridviewCursorChanged(this, EventArgs.Empty);
//GridviewVadjustmentChanged(this, EventArgs.Empty);
}
fixedcolview.Model = gridmodel;
fixedcolview.Visible = true;
splitter.Child1.NoShowAll = false;
splitter.ShowAll();
splitter.PositionSet = true;
int splitterWidth = (int)splitter.StyleGetProperty("handle-size");
if (splitter.Allocation.Width > 1)
{
splitter.Position = Math.Min(fixedcolview.SizeRequest().Width + splitterWidth, splitter.Allocation.Width / 2);
}
else
{
splitter.Position = fixedcolview.SizeRequest().Width + splitterWidth;
}
}
else
{
gridview.Vadjustment.ValueChanged -= Gridview_Vadjustment_Changed;
gridview.Selection.Changed -= Gridview_CursorChanged;
fixedcolview.Vadjustment.ValueChanged -= Fixedcolview_Vadjustment_Changed1;
fixedcolview.Selection.Changed -= Fixedcolview_CursorChanged;
fixedcolview.Visible = false;
splitter.Position = 0;
splitter.Child1.HideAll();
}
numberLockedCols = number;
}