public abstract SizeF GetSize(Graphics g, DocumentMetrics metrics);
/// <summary>
/// Make first calculations to know exactly what we can print on each sheet
/// </summary>
/// <param name="g"></param>
/// <param name="metrics"></param>
public void Initialize(Graphics g, DocumentMetrics metrics)
{
this.metrics = metrics;
#region Take care of set blocks
if (SheetHeader != null)
{
float headerHeight = SheetHeader.GetSize(g, metrics).Height;
SheetHeader.Rectangle =
new RectangleF(metrics.LeftMargin, metrics.TopMargin, metrics.PrintAbleWidth, headerHeight);
metrics.TopMargin += (int)Math.Ceiling(headerHeight);
}
if (TitlePrintBlock != null)
{
float titleHeight = TitlePrintBlock.GetSize(g, metrics).Height;
TitlePrintBlock.Rectangle =
new RectangleF(metrics.LeftMargin, metrics.TopMargin, metrics.PrintAbleWidth, titleHeight);
}
if (SheetFooter != null)
{
float footerHeight = SheetFooter.GetSize(g, metrics).Height;
metrics.BottomMargin += (int)Math.Ceiling(footerHeight);
float footerY = metrics.TopMargin + metrics.PrintAbleHeight;
SheetFooter.Rectangle =
new RectangleF(metrics.LeftMargin, footerY, metrics.PrintAbleWidth, footerHeight);
}
#endregion
columnWidths = new float[GridView.Columns.Count];
colSelector =
delegate(DataGridViewColumn column)
{
return (MustPrintSelectedColumns && column.DataGridView.SelectedColumns.Count > 0)
? column.Selected
: column.Visible;
};
float gridWidth = 0;
// calculate the grid width to know the difference with a sheet width,
// it's usefull to determinate a scale
foreach (DataGridViewColumn column in GridView.Columns)
{
if (colSelector(column))
{
columnWidths[column.Index] = GridHelper.Width(column,g);
gridWidth += columnWidths[column.Index];
}
}
// we fix the scale to 1 if user doesn't need to zoom out the grid or if
// the gridwidth is lower thant sheet width
scale = (!MustFitColumnsToPage || gridWidth < metrics.PrintAbleWidth)
? 1 : metrics.PrintAbleWidth / gridWidth;
columnHeaderHeight = GridHelper.HeaderHeight(GridView,g,scale);
// let's go to set the partition splits
List<int> firstColumnsOnPartition = new List<int>();
float tmpWidth = 0;
foreach (DataGridViewColumn column in GridView.Columns)
{
if (colSelector(column))
{
columnWidths[column.Index] *= scale;
tmpWidth += columnWidths[column.Index];
if (tmpWidth > metrics.PrintAbleWidth || column.Index == 0)
{
firstColumnsOnPartition.Insert(0, column.Index);
tmpWidth = columnWidths[column.Index];
}
}
}
firstColumnsOnPartition.Reverse();
// let's go to set the level splits
rowSelector = delegate(DataGridViewRow row)
{
return (MustPrintSelectedRows && row.DataGridView.SelectedRows.Count>0)
? row.Selected
: row.Visible;
};
rowsHeights = new float[GridView.Rows.Count];
List<int> firstRowsOnPartition = new List<int>();
// we have to set the first visible row outside of the loop
// cause we want to take care about the possible set Title block
IEnumerator rowEnumerator = ((IEnumerable)GridView.Rows).GetEnumerator();
while(rowEnumerator.MoveNext() && !rowSelector((DataGridViewRow) rowEnumerator.Current)) continue;
int firstVisibleRowIndex = ((DataGridViewRow)rowEnumerator.Current).Index;
firstRowsOnPartition.Insert(0, firstVisibleRowIndex);
rowsHeights[firstVisibleRowIndex] = GridHelper.RowHeight(GridView.Rows[firstVisibleRowIndex],g);
float tmpHeight = rowsHeights[firstVisibleRowIndex];
if (TitlePrintBlock != null)
tmpHeight += TitlePrintBlock.Rectangle.Height;
// skip the first visible row cause it is already in firstrows (see above)
while(rowEnumerator.MoveNext())
{
DataGridViewRow row = (DataGridViewRow)rowEnumerator.Current;
if (rowSelector(row))
{
rowsHeights[row.Index] = GridHelper.RowHeight(row, g, scale);
tmpHeight += rowsHeights[row.Index];
// warn to take care about the column headers
if (tmpHeight >= metrics.PrintAbleHeight - columnHeaderHeight)
{
firstRowsOnPartition.Insert(0, row.Index);
tmpHeight = rowsHeights[row.Index];
}
}
}
firstRowsOnPartition.Reverse();
// now that it is calculated, we can fix definitely firstRows and firstColumns in arrays
firstRows = firstRowsOnPartition.ToArray();
firstColumns = firstColumnsOnPartition.ToArray();
levels = new Dictionary<int, IEnumerable<Partition>>(firstRows.Length);
codes = new Dictionary<CodeEnum, string>();
codes[CodeEnum.SheetsCount] = SheetsCount.ToString();
codes[CodeEnum.Date] = DateTime.Now.ToShortDateString();
codes[CodeEnum.Time] = DateTime.Now.ToShortTimeString();
IsInitialized = true;
}