/// <summary>
/// This procedure will remove the currently selected column,
/// and after that no column is selected
///
/// </summary>
/// <returns>void</returns>
protected bool RemoveColumn(System.Int32 ASelectedColumn, bool AAskBeforeRemove)
{
bool ReturnValue;
System.Int32 NewMaxColumn;
ReturnValue = false;
if ((!AAskBeforeRemove) ||
(MessageBox.Show("Do you really want to delete this column?", "Really delete?",
MessageBoxButtons.YesNo) == System.Windows.Forms.DialogResult.Yes))
{
NewMaxColumn = TUC_ColumnHelper.RemoveColumn(ref FColumnParameters, ASelectedColumn);
/* need to move the following columns to the left */
FPetraUtilsObject.FMaxDisplayColumns = NewMaxColumn;
FillColumnGrid();
FSelectedColumn = -1;
SelectColumn(-1);
ReturnValue = true;
}
return(ReturnValue);
}
/// <summary>
/// This procedure will apply the current settings of the column,
/// and then will unselect the column
///
/// </summary>
/// <returns>void</returns>
protected bool ApplyColumn(System.Int32 ASelectedColumn, bool ACheckForDoubleEntries)
{
bool ReturnValue;
ReturnValue = false;
double ColumnWidth = 2.0;
if (!ACheckForDoubleEntries ||
TUC_ColumnHelper.CheckAddDoubleEntry(ref FColumnParameters, this.cmbCalculation.GetSelectedString(0), ASelectedColumn))
{
try
{
ColumnWidth = Convert.ToDouble(txtColumnWidth.Text);
FColumnParameters.Add("param_calculation", new TVariant(cmbCalculation.GetSelectedString()), ASelectedColumn);
FColumnParameters.Add("ColumnWidth", new TVariant(ColumnWidth), ASelectedColumn);
ReturnValue = true;
}
catch (Exception e)
{
if (e.GetType().ToString() == "System.FormatException")
{
MessageBox.Show("Please insert a correct number value for the column width", "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
ReturnValue = false;
}
}
return(ReturnValue);
}
/// <summary>
/// Reads the selected values from the controls,
/// and stores them into the parameter system of FCalculator
///
/// </summary>
/// <param name="ACalculator"></param>
/// <param name="AReportAction"></param>
/// <returns>void</returns>
public void ReadControls(TRptCalculator ACalculator, TReportActionEnum AReportAction)
{
System.Int32 MaxDisplayColumns;
MaxDisplayColumns = TUC_ColumnHelper.ReadControls(ref FColumnParameters, ref ACalculator);
FPetraUtilsObject.FMaxDisplayColumns = MaxDisplayColumns;
}
/// <summary>
/// Sets the selected values in the controls, using the parameters loaded from a file
///
/// </summary>
/// <param name="AParameters"></param>
/// <returns>void</returns>
public void SetControls(TParameterList AParameters)
{
System.Int32 MaxDisplayColumns;
MaxDisplayColumns = TUC_ColumnHelper.SetControls(ref FColumnParameters, ref AParameters);
/* copy values for columns to the current set of parameters */
FPetraUtilsObject.FMaxDisplayColumns = MaxDisplayColumns;
FillColumnGrid();
}
/// <summary>
/// This procedure will switch the two columns
/// and after that the column in the new position is selected
///
/// </summary>
/// <returns>void</returns>
protected virtual void MoveColumn(System.Int32 ASelectedColumn, System.Int32 ANewColumnPosition)
{
if ((ANewColumnPosition > -1) && (ANewColumnPosition < FColumnParameters.Get("MaxDisplayColumns").ToInt()))
{
if (SelectColumn(-1))
{
TUC_ColumnHelper.SwitchColumn(ref FColumnParameters, ASelectedColumn, ANewColumnPosition);
FillColumnGrid();
SelectColumn(ANewColumnPosition);
}
}
}
/// <summary>
/// Fills the column choice datagrid with the current values,
/// that are stored in the local column parameters
///
/// </summary>
/// <returns>void</returns>
public void FillColumnGrid()
{
DataTable columnTab;
DataRow rowContent;
DataRow rowDisplayWidth;
System.Int32 counter;
String calculation;
System.Int32 rowCounter;
TPartnerColumnFunction Func;
columnTab = new System.Data.DataTable();
/* create columns */
for (counter = 0; counter <= FColumnParameters.Get("MaxDisplayColumns").ToInt() - 1; counter += 1)
{
columnTab.Columns.Add("Column " + Convert.ToString(counter + 1));
}
/* first row: name of calculation */
rowContent = columnTab.NewRow();
/* second row: display width of the column */
rowDisplayWidth = columnTab.NewRow();
for (counter = 0; counter <= FColumnParameters.Get("MaxDisplayColumns").ToInt() - 1; counter += 1)
{
calculation = FColumnParameters.GetOrDefault("param_calculation", counter, new TVariant(cmbCalculation.GetSelectedString())).ToString();
Func = (TPartnerColumnFunction)GetFunction(calculation, FColumnParameters, counter);
if (Func != null)
{
rowContent[counter] = Func.GetDisplayValue();
rowDisplayWidth[counter] =
FColumnParameters.GetOrDefault("ColumnWidth", counter, new TVariant(Func.FColumnWidth)).ToString() + " cm";
}
}
rowCounter = 0;
columnTab.Rows.InsertAt(rowContent, rowCounter);
rowCounter = rowCounter + 1;
columnTab.Rows.InsertAt(rowDisplayWidth, rowCounter);
TUC_ColumnHelper.LoadDataToGrid(ref grdColumns, ref columnTab);
}
/// <summary>
/// This procedure will add a new column;
/// it will check if the currently selected column can be unselected;
/// the new column is selected
/// </summary>
/// <param name="ASelectedColumn">the new column should be inserted after this column
/// if it is -1, the column will be added at the right</param>
/// <returns>true if a new column was added
/// </returns>
protected bool AddColumn(System.Int32 ASelectedColumn)
{
bool ReturnValue;
System.Int32 NewColumn;
ReturnValue = false;
if (SelectColumn(-1))
{
NewColumn = TUC_ColumnHelper.AddColumn(ref FColumnParameters, ASelectedColumn);
FillColumnGrid();
SelectColumn(NewColumn);
ApplyColumn(NewColumn, false);
ReturnValue = true;
}
return(ReturnValue);
}
/// <summary>
/// get the function object of the given calculation string
/// </summary>
/// <returns>nil if the function cannot be found
/// </returns>
protected TColumnFunction GetFunction(String calculation, TParameterList AParameterList, int AColumnNumber)
{
return(TUC_ColumnHelper.GetFunction(ref FAvailableFunctions, calculation, AParameterList, AColumnNumber));
}
/// <summary>
/// get the function object of the given calculation string
/// </summary>
/// <returns>nil if the function cannot be found
/// </returns>
protected TColumnFunction GetFunction(String calculation)
{
return(TUC_ColumnHelper.GetFunction(ref FAvailableFunctions, calculation));
}