/// <summary>
/// Handels changes of properties on the style objects
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
/// <returns></returns>
internal int PropertyChange(StyleBase sender, Style.StyleChangeEventArgs e)
{
var address = new ExcelAddressBase(e.Address);
var ws = _wb.Worksheets[e.PositionID];
Dictionary <int, int> styleCashe = new Dictionary <int, int>();
//Set single address
SetStyleAddress(sender, e, address, ws, ref styleCashe);
if (address.Addresses != null)
{
//Handle multiaddresses
foreach (var innerAddress in address.Addresses)
{
SetStyleAddress(sender, e, innerAddress, ws, ref styleCashe);
}
}
return(0);
}
/// <summary>
/// Handles property changes on Named styles.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
/// <returns></returns>
internal int NamedStylePropertyChange(StyleBase sender, Style.StyleChangeEventArgs e)
{
int index = NamedStyles.FindIndexByID(e.Address);
if (index >= 0)
{
int newId = CellStyleXfs[NamedStyles[index].StyleXfId].GetNewID(CellStyleXfs, sender, e.StyleClass, e.StyleProperty, e.Value);
int prevIx = NamedStyles[index].StyleXfId;
NamedStyles[index].StyleXfId = newId;
NamedStyles[index].Style.Index = newId;
NamedStyles[index].XfId = int.MinValue;
foreach (var style in CellXfs)
{
if (style.XfId == prevIx)
{
style.XfId = newId;
}
}
}
return(0);
}
private void SetStyleAddress(StyleBase sender, Style.StyleChangeEventArgs e, ExcelAddressBase address, ExcelWorksheet ws, ref Dictionary <int, int> styleCashe)
{
if (address.Start.Column == 0 || address.Start.Row == 0)
{
throw (new Exception("error address"));
}
//Columns
else if (address.Start.Row == 1 && address.End.Row == ExcelPackage.MaxRows)
{
ExcelColumn column;
//Get the startcolumn
ulong colID = ExcelColumn.GetColumnID(ws.SheetID, address.Start.Column);
if (!ws._columns.ContainsKey(colID))
{
column = ws.Column(address.Start.Column);
}
else
{
column = ws._columns[colID] as ExcelColumn;
}
var index = ws._columns.IndexOf(colID);
while (column.ColumnMin <= address.End.Column)
{
if (column.ColumnMax > address.End.Column)
{
var newCol = ws.CopyColumn(column, address.End.Column + 1, column.ColumnMax);
column.ColumnMax = address.End.Column;
}
if (styleCashe.ContainsKey(column.StyleID))
{
column.StyleID = styleCashe[column.StyleID];
}
else
{
ExcelXfs st = CellXfs[column.StyleID];
int newId = st.GetNewID(CellXfs, sender, e.StyleClass, e.StyleProperty, e.Value);
styleCashe.Add(column.StyleID, newId);
column.StyleID = newId;
}
index++;
if (index >= ws._columns.Count)
{
break;
}
else
{
column = (ws._columns[index] as ExcelColumn);
}
}
if (column._columnMax < address.End.Column)
{
var newCol = ws.Column(column._columnMax + 1) as ExcelColumn;
newCol._columnMax = address.End.Column;
if (styleCashe.ContainsKey(newCol.StyleID))
{
newCol.StyleID = styleCashe[newCol.StyleID];
}
else
{
ExcelXfs st = CellXfs[column.StyleID];
int newId = st.GetNewID(CellXfs, sender, e.StyleClass, e.StyleProperty, e.Value);
styleCashe.Add(newCol.StyleID, newId);
newCol.StyleID = newId;
}
//column._columnMax = address.End.Column;
}
//Set for individual cells in the spann. We loop all cells here since the cells are sorted with columns first.
foreach (ExcelCell cell in ws._cells)
{
if (cell.Column >= address.Start.Column &&
cell.Column <= address.End.Column)
{
if (styleCashe.ContainsKey(cell.StyleID))
{
cell.StyleID = styleCashe[cell.StyleID];
}
else
{
ExcelXfs st = CellXfs[cell.StyleID];
int newId = st.GetNewID(CellXfs, sender, e.StyleClass, e.StyleProperty, e.Value);
styleCashe.Add(cell.StyleID, newId);
cell.StyleID = newId;
}
}
}
}
//Rows
else if (address.Start.Column == 1 && address.End.Column == ExcelPackage.MaxColumns)
{
for (int rowNum = address.Start.Row; rowNum <= address.End.Row; rowNum++)
{
ExcelRow row = ws.Row(rowNum);
if (row.StyleID == 0 && ws._columns.Count > 0)
{
//TODO: We should loop all columns here and change each cell. But for now we take style of column A.
foreach (ExcelColumn column in ws._columns)
{
row.StyleID = column.StyleID;
break; //Get the first one and break.
}
}
if (styleCashe.ContainsKey(row.StyleID))
{
row.StyleID = styleCashe[row.StyleID];
}
else
{
ExcelXfs st = CellXfs[row.StyleID];
int newId = st.GetNewID(CellXfs, sender, e.StyleClass, e.StyleProperty, e.Value);
styleCashe.Add(row.StyleID, newId);
row.StyleID = newId;
}
}
//Get Start Cell
ulong rowID = ExcelRow.GetRowID(ws.SheetID, address.Start.Row);
int index = ws._cells.IndexOf(rowID);
index = ~index;
while (index < ws._cells.Count)
{
var cell = ws._cells[index] as ExcelCell;
if (cell.Row > address.End.Row)
{
break;
}
if (styleCashe.ContainsKey(cell.StyleID))
{
cell.StyleID = styleCashe[cell.StyleID];
}
else
{
ExcelXfs st = CellXfs[cell.StyleID];
int newId = st.GetNewID(CellXfs, sender, e.StyleClass, e.StyleProperty, e.Value);
styleCashe.Add(cell.StyleID, newId);
cell.StyleID = newId;
}
index++;
}
}
else //Cellrange
{
for (int col = address.Start.Column; col <= address.End.Column; col++)
{
for (int row = address.Start.Row; row <= address.End.Row; row++)
{
ExcelCell cell = ws.Cell(row, col);
if (styleCashe.ContainsKey(cell.StyleID))
{
cell.StyleID = styleCashe[cell.StyleID];
}
else
{
ExcelXfs st = CellXfs[cell.StyleID];
int newId = st.GetNewID(CellXfs, sender, e.StyleClass, e.StyleProperty, e.Value);
styleCashe.Add(cell.StyleID, newId);
cell.StyleID = newId;
}
}
}
}
}