internal static ColumnHandler getInstance()
{
if (_instance == null)
{
_instance = new ColumnHandler();
}
return(_instance);
}
} // sortable
internal LgColumn(TableManager tableManager, GuiMgControl columnControl, int mgColumnIdx)
: base(columnControl, tableManager.getTable())
{
_tableManager = tableManager;
_children = new List <GuiMgControl>();
List <GuiMgControl> tableChildren = tableManager.getChildren();
int rowChildrenCount = 0;
for (int i = 0;
i < tableChildren.Count;
i++)
{
GuiMgControl guiMgControl = tableChildren[i];
if (guiMgControl.Layer - 1 == mgColumnIdx)
{
// add control to the children's list
_children.Add(guiMgControl);
if (!guiMgControl.IsTableHeaderChild)
{
// save index in the list on MgControlData
tableManager.setIndexIncolumn(guiMgControl, rowChildrenCount++);
}
}
}
_tableControl = tableManager.getTable();
_logicalColumnHelper = new LogicalColumnHelper(_tableControl, mgColumnIdx, GuiUtils.AccessTest);
ContentAlignment = ContentAlignment.MiddleLeft;
TopBorder = true;
RightBorder = true;
if (TableColumn != null)
{
base.Visible = true;
TableColumn.Tag = new TagData();
ColumnHandler.getInstance().addHandler(TableColumn);
var td = (TagData)TableColumn.Tag;
td.ColumnManager = this;
}
}
/// <summary>
/// set visible column
/// </summary>
/// <param name = "visible"> </param>
internal void setVisible(bool visible)
{
if (visible == Visible)
{
return;
}
bool applyPlacement = false;
bool layoutSuspended = false;
if (visible == false)
{
TableColumn.Dispose();
TableColumn = null;
//If there is no scrollbar (i.e. there is blank area) after hiding the column, apply the placement.
if (_tableManager.FillWidth)
{
applyPlacement = !_tableControl.isHscrollShown();
}
}
else if (visible)
{
if (_tableManager.FillWidth)
{
//If there is scrollbar even before showing the new column, do not apply the placement.
applyPlacement = !_tableControl.isHscrollShown();
if (applyPlacement)
{
_tableManager._tableControl.SuspendLayout();
layoutSuspended = true;
}
}
List <ILogicalColumn> columns = _tableManager.getColumns();
int guiColumnIdx = 0;
// find new Gui index
int orgGuiIndex = columns.IndexOf(this);
for (int i = 0;
i < orgGuiIndex;
i++)
{
if (((LgColumn)columns[i]).GuiColumnIdx >= 0)
{
guiColumnIdx++;
}
}
TableColumn = new TableColumn();
_tableControl.Columns.Insert(guiColumnIdx, TableColumn);
TableColumn.Tag = new TagData();
ColumnHandler.getInstance().addHandler(TableColumn);
var td = (TagData)TableColumn.Tag;
td.ColumnManager = this;
// set column properties
TableColumn.Text = Text;
TableColumn.FgColor = FgColor;
TableColumn.BgColor = BgColor;
TableColumn.Font = Font;
TableColumn.ContentAlignment = ContentAlignment;
TableColumn.FontOrientation = FontOrientation;
TableColumn.AllowFilter = AllowFilter;
TableColumn.RightBorder = RightBorder;
TableColumn.TopBorder = TopBorder;
TableColumn.Width = Width;
}
_logicalColumnHelper.Visible = visible;
base.Visible = visible;
if (applyPlacement)
{
_tableManager.ExecuteFillTablePlacement();
if (layoutSuspended)
{
_tableManager._tableControl.ResumeLayout();
}
}
_tableManager.updateEditorsOnColumnVisibility(MgColumnIdx, visible);
}
