/// <summary>
/// Initializes a new instance of the <see cref="Range"/> class.
/// </summary>
/// <param name="p_StartRow">The start row.</param>
/// <param name="p_StartCol">The start column.</param>
/// <param name="p_EndRow">The end row.</param>
/// <param name="p_EndCol">The end column.</param>
public Range(int p_StartRow, int p_StartCol, int p_EndRow, int p_EndCol)
{
start = new Position(p_StartRow, p_StartCol);
end = new Position(p_EndRow, p_EndCol);
Normalize();
}
/// <summary>
/// Returns a position with the smaller Row and the smaller column
/// </summary>
/// <param name="position1">The position1.</param>
/// <param name="position2">The position2.</param>
/// <returns></returns>
public static Position MergeMinor(Position position1, Position position2)
{
int l_Row, l_Col;
if (position1.Row < position2.Row)
{
l_Row = position1.Row;
}
else
{
l_Row = position2.Row;
}
if (position1.Column < position2.Column)
{
l_Col = position1.Column;
}
else
{
l_Col = position2.Column;
}
return new Position(l_Row, l_Col);
}
/// <summary>
/// Adds an element with the specified key and value to this ControlToPositionAssociation.
/// </summary>
/// <param name="key">
/// The Control key of the element to add.
/// </param>
/// <param name="value">
/// The Position value of the element to add.
/// </param>
public virtual void Add(Control key, Position value)
{
this.Dictionary.Add(key, value);
}
/// <summary>
/// Returns true if the specified cell position is present in the current range.
/// </summary>
/// <param name="position">The position.</param>
/// <returns>
/// <c>true</c> if the range contains the specified position; otherwise, <c>false</c>.
/// </returns>
public bool Contains(Position position)
{
int l_Row = position.Row;
int l_Col = position.Column;
return l_Row >= start.Row && l_Row <= end.Row &&
l_Col >= start.Column && l_Col <= end.Column;
}
/// <summary>
/// Check and fix the range to always have Start smaller than End
/// </summary>
private void Normalize()
{
int l_MinRow, l_MinCol, l_MaxRow, l_MaxCol;
if (start.Row < end.Row)
{
l_MinRow = start.Row;
}
else
{
l_MinRow = end.Row;
}
if (start.Column < end.Column)
{
l_MinCol = start.Column;
}
else
{
l_MinCol = end.Column;
}
if (start.Row > end.Row)
{
l_MaxRow = start.Row;
}
else
{
l_MaxRow = end.Row;
}
if (start.Column > end.Column)
{
l_MaxCol = start.Column;
}
else
{
l_MaxCol = end.Column;
}
start = new Position(l_MinRow, l_MinCol);
end = new Position(l_MaxRow, l_MaxCol);
}
/// <summary>
/// Get the Rectangle of the cell respect all the scrollable area. Using the Cell Row/Col Span.
/// </summary>
/// <param name="position">The position.</param>
/// <returns></returns>
public override Rectangle PositionToAbsoluteRect(Position position)
{
ICell l_Cell = this[position.Row, position.Column];
if (l_Cell != null)
{
return base.RangeToAbsoluteRect(l_Cell.Range);
}
else
{
return base.PositionToAbsoluteRect(position);
}
}
/// <summary>
/// Draw the specified Cell
/// </summary>
/// <param name="p_Panel">The panel.</param>
/// <param name="e">The <see cref="System.Windows.Forms.PaintEventArgs"/> instance containing the event data.</param>
/// <param name="p_Cell">The cell.</param>
/// <param name="p_CellPosition">The cell position.</param>
/// <param name="p_PanelDrawRectangle">The panel draw rectangle.</param>
protected override void PaintCell(GridSubPanel p_Panel, PaintEventArgs e, Cells.ICellVirtual p_Cell, Position p_CellPosition, Rectangle p_PanelDrawRectangle)
{
ICell l_Cell = (ICell)p_Cell;
Range l_CellRange = l_Cell.Range;
if (l_CellRange.RowsCount == 1 && l_CellRange.ColumnsCount == 1)
{
base.PaintCell(p_Panel, e, p_Cell, p_CellPosition, p_PanelDrawRectangle);
}
else // Row/Col Span > 1
{
Rectangle l_Rect = p_Panel.RectangleGridToPanel(PositionToDisplayRect(l_CellRange.Start));
base.PaintCell(p_Panel, e, p_Cell, l_CellRange.Start, l_Rect);
}
}
/// <summary>
/// Invert the selection when mode selection is row
/// </summary>
public void InvertSelectionRows()
{
this.grid.Redraw = false;
List<Range> l_RangeCollection = new List<Range>();
bool start_found = false;
Position l_startPos = Position.Empty;
for (int i = 1; i < grid.RowsCount; ++i)
{
if (start_found == false && this.ContainsRow(i) == false)
{
l_startPos = new Position(i, 0);
start_found = true;
}
if (start_found == true && this.ContainsRow(i) == true)
{
Position l_endPos = new Position(i - 1, grid.ColumnsCount - 1);
l_RangeCollection.Add(new Range(l_startPos, l_endPos));
start_found = false;
}
}
if (start_found == true)
{
Position l_endPos = new Position(this.grid.RowsCount - 1, this.grid.ColumnsCount - 1);
l_RangeCollection.Add(new Range(l_startPos, l_endPos));
}
Clear();
this.grid.SetFocusCell(Position.Empty);
foreach (Range range in l_RangeCollection)
{
AddRange(range);
}
this.grid.Redraw = true;
}
/// <summary>
/// Deselect and remove from the collection the specified cell
/// </summary>
/// <param name="p_Cell">The cell.</param>
public void Remove(Position p_Cell)
{
RemoveRange(new Range(p_Cell));
}
/// <summary>
/// Deselect all cells except that specified.
/// </summary>
/// <param name="p_CellLeaveThisCellSelected">The cell to leave selected.</param>
public void Clear(Position p_CellLeaveThisCellSelected)
{
if (Count > 0)
{
rangeList.Clear();
rangeList.Add(new Range(p_CellLeaveThisCellSelected));
OnSelectionChange(new SelectionChangedEventArgs(SelectionChangedEventType.Clear, Range.Empty));
}
}
/// <summary>
/// Indicates whether the specified cell is selected.
/// </summary>
/// <param name="cell">The cell.</param>
/// <returns>
/// <c>true</c> if the selection contains the specified cell; otherwise, <c>false</c>.
/// </returns>
public bool Contains(Position cell)
{
if (cell.IsEmpty())
{
return false;
}
for (int r = 0; r < rangeList.Count; r++)
{
if (this[r].Contains(cell))
{
return true;
}
}
return false;
}
/// <summary>
/// Select the specified cell and add the cell to the collection.
/// </summary>
/// <param name="cell">The cell.</param>
public void Add(Position cell)
{
AddRange(new Range(cell));
}
private void RemoveRangeCell(Range l_RangeToDeselect)
{
bool selectionChanged = false;
if (l_RangeToDeselect.Start == l_RangeToDeselect.End && Contains(l_RangeToDeselect.Start))
{
rangeList.Remove(l_RangeToDeselect);
selectionChanged = true;
}
// here we check whether the l_RangeToDeselect is a subset of a row
else if (l_RangeToDeselect.Start.Row == l_RangeToDeselect.End.Row)
{
int row = l_RangeToDeselect.Start.Row;
for (int col = l_RangeToDeselect.Start.Column; col <= l_RangeToDeselect.End.Column; ++col)
{
Position position = new Position(row, col);
if (Contains(position))
{
rangeList.Remove(new Range(position));
selectionChanged = true;
}
}
}
// here we check whether the l_RangeToDeselect is a subset of a column
else if (l_RangeToDeselect.Start.Column == l_RangeToDeselect.End.Column)
{
int col = l_RangeToDeselect.Start.Column;
for (int row = l_RangeToDeselect.Start.Row; row <= l_RangeToDeselect.End.Row; ++row)
{
Position position = new Position(row, col);
if (Contains(position))
{
rangeList.Remove(new Range(position));
selectionChanged = true;
}
}
}
if (selectionChanged)
{
OnSelectionChange(new SelectionChangedEventArgs(SelectionChangedEventType.Remove, l_RangeToDeselect));
}
}
/// <summary>
/// Whether the position.s are equal.
/// </summary>
/// <param name="position">The position.</param>
/// <returns></returns>
public bool Equals(Position position)
{
return column == position.column && row == position.row;
}
/// <summary>
/// Get the real position for the specified position. For example when position is a merged cell this method returns the starting position of the merged cells.
/// Usually this method returns the same cell specified as parameter. This method is used for processing arrow keys, to find a valid cell when the focus is in a merged cell.
/// </summary>
/// <param name="position">The position.</param>
/// <returns></returns>
public override Position GetStartingPosition(Position position)
{
ICell l_tmp = (ICell)GetCell(position);
if (l_tmp != null)
{
return l_tmp.Range.Start;
}
else
{
return position;
}
}
private Range AddRangeCell(Range l_RangeToSelect)
{
bool isFound = false;
if (l_RangeToSelect.Start == l_RangeToSelect.End && !Contains(l_RangeToSelect.Start))
{
rangeList.Add(l_RangeToSelect);
isFound = true;
}
// here we check whether the l_RangeToSelect is a subset of a row
else if (l_RangeToSelect.Start.Row == l_RangeToSelect.End.Row)
{
int row = l_RangeToSelect.Start.Row;
for (int col = l_RangeToSelect.Start.Column; col <= l_RangeToSelect.End.Column; ++col)
{
Position position = new Position(row, col);
if (!Contains(position))
{
rangeList.Add(new Range(position));
isFound = true;
}
}
}
// here we check whether the l_RangeToSelect is a subset of a column
else if (l_RangeToSelect.Start.Column == l_RangeToSelect.End.Column)
{
int col = l_RangeToSelect.Start.Column;
for (int row = l_RangeToSelect.Start.Row; row <= l_RangeToSelect.End.Row; ++row)
{
Position position = new Position(row, col);
if (!Contains(position))
{
rangeList.Add(new Range(position));
isFound = true;
}
}
}
else // This is a rectangle.
{
for (int row = l_RangeToSelect.Start.Row; row <= l_RangeToSelect.End.Row; ++row)
{
for (int col = l_RangeToSelect.Start.Column; col <= l_RangeToSelect.End.Column; ++col)
{
Position position = new Position(row, col);
if (!Contains(position))
{
rangeList.Add(new Range(position));
isFound = true;
}
}
}
}
if (isFound)
{
OnSelectionChange(new SelectionChangedEventArgs(SelectionChangedEventType.Add, l_RangeToSelect));
}
return l_RangeToSelect;
}
/// <summary>
/// Force a cell to redraw. If Redraw is set to false this function has no effects.
/// If ColSpan or RowSpan is greater than 0 this function invalidate the complete range with InvalidateRange
/// </summary>
/// <param name="position">The position.</param>
public override void InvalidateCell(Position position)
{
ICell l_Cell = this[position.Row, position.Column];
if (l_Cell == null)
{
base.InvalidateCell(position);
}
else
{
InvalidateRange(l_Cell.Range);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="PositionKeyEventArgs"/> class.
/// </summary>
/// <param name="position">The position.</param>
/// <param name="cell">The cell.</param>
/// <param name="keyArge">The <see cref="System.Windows.Forms.KeyEventArgs"/> instance containing the event data.</param>
public PositionKeyEventArgs(Position position, Cells.ICellVirtual cell, KeyEventArgs keyArge)
: base(position, cell)
{
this.keyArgs = keyArge;
}
/// <summary>
/// Change the focus of the grid. The calls order is: (the user select CellX) Grid.CellGotFocus(CellX), CellX.Enter, (the user select CellY), Grid.CellLostFocus(CellX), CellX.Leave, Grid.CellGotFocus(CellY), CellY.Enter
/// </summary>
/// <param name="p_CellToSetFocus">Must be a valid cell linked to the grid or null of you want to remove the focus</param>
/// <param name="p_DeselectOtherCells">True to deselect others selected cells</param>
/// <returns>Return true if the grid can select the cell specified, otherwise false</returns>
public override bool SetFocusCell(Position p_CellToSetFocus, bool p_DeselectOtherCells)
{
if (EnableRowColSpan == false || p_CellToSetFocus.IsEmpty())
{
return base.SetFocusCell(p_CellToSetFocus, p_DeselectOtherCells);
}
ICell l_Cell = this[p_CellToSetFocus.Row, p_CellToSetFocus.Column];
if (l_Cell != null)
{
return base.SetFocusCell(l_Cell.Range.Start, p_DeselectOtherCells);
}
else
{
return base.SetFocusCell(p_CellToSetFocus, p_DeselectOtherCells);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="PositionEventArgs"/> class.
/// </summary>
/// <param name="position">The position.</param>
/// <param name="p_Cell">The cell.</param>
public PositionEventArgs(Position position, Cells.ICellVirtual p_Cell)
{
this.position = position;
this.cell = p_Cell;
}
private Range(Position p_Start, Position p_End, bool p_bCheck)
{
start = p_Start;
end = p_End;
if (p_bCheck)
{
Normalize();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="PositionKeyPressEventArgs"/> class.
/// </summary>
/// <param name="position">The position.</param>
/// <param name="p_Cell">The cell.</param>
/// <param name="p_KeyPressArge">The <see cref="System.Windows.Forms.KeyPressEventArgs"/> instance containing the event data.</param>
public PositionKeyPressEventArgs(Position position, Cells.ICellVirtual p_Cell, System.Windows.Forms.KeyPressEventArgs p_KeyPressArge)
: base(position, p_Cell)
{
this.keyPressArgs = p_KeyPressArge;
this.isControlPressed = Control.ModifierKeys == Keys.Control;
this.isShiftPressed = Control.ModifierKeys == Keys.Shift;
}
/// <summary>
/// Move the current range to the specified position, leaving the current ColumnsCount and RowsCount
/// </summary>
/// <param name="p_StartPosition">The start position.</param>
public void MoveTo(Position p_StartPosition)
{
int l_ColCount = ColumnsCount;
int l_RowCount = RowsCount;
this.start = p_StartPosition;
RowsCount = l_RowCount;
ColumnsCount = l_ColCount;
}
/// <summary>
/// Initializes a new instance of the <see cref="PositionMouseEventArgs"/> class.
/// </summary>
/// <param name="position">The position.</param>
/// <param name="p_Cell">The cell.</param>
/// <param name="p_MouseArgs">The <see cref="System.Windows.Forms.MouseEventArgs"/> instance containing the event data.</param>
public PositionMouseEventArgs(Position position, Cells.ICellVirtual p_Cell, MouseEventArgs p_MouseArgs)
: base(position, p_Cell)
{
this.mouseArgs = p_MouseArgs;
}
/// <summary>
/// Initializes a new instance of the <see cref="Range"/> class.
/// </summary>
/// <param name="p_Start">The start.</param>
/// <param name="p_End">The end.</param>
public Range(Position p_Start, Position p_End)
: this(p_Start, p_End, true)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="PositionContextMenuEventArgs"/> class.
/// </summary>
/// <param name="position">The position.</param>
/// <param name="p_Cell">The cell.</param>
/// <param name="p_ContextMenu">The context menu itmes.</param>
public PositionContextMenuEventArgs(Position position, Cells.ICellVirtual p_Cell, List<MenuItem> p_ContextMenu)
: base(position, p_Cell)
{
this.contextMenu = p_ContextMenu;
}
/// <summary>
/// Initializes a new instance of the <see cref="Range"/> class.
/// Construct a Range of a single cell
/// </summary>
/// <param name="p_SinglePosition">The single position.</param>
public Range(Position p_SinglePosition)
: this(p_SinglePosition, p_SinglePosition, false)
{
}
/// <summary>
/// Returns or set a cell at the specified row and column.
/// </summary>
/// <param name="row">The row.</param>
/// <param name="column">The column.</param>
/// <remarks>
/// If you get an ICell position occupied by a row/col span cell, and EnableRowColSpan is
/// true, this method returns the cell with Row/Col span.
/// </remarks>
/// <returns>The cell at the specified row and column</returns>
public ICell this[int row, int column]
{
get
{
if (EnableRowColSpan == false)
{
return this.cells[row, column];
}
else // enable Row Col Span search
{
ICell l_RetCell = this.cells[row, column];
if (l_RetCell == null)
{
int l_StartRow = row;
int l_StartCol;
if (column == 0)
{
l_StartCol = 0;
if (l_StartRow > 0)
{
l_StartRow--;
}
}
else
{
l_StartCol = column - 1;
}
int l_EndCol = column;
int l_EndRow;
if (row == 0)
{
l_EndRow = 0;
if (l_EndCol > 0)
{
l_EndCol--;
}
}
else
{
l_EndRow = row - 1;
}
Position l_ReqPos = new Position(row, column);
// ciclo fino a che non raggiungo la fine della griglia (con un massimo di MaxSpanSearch)
for (int l_Search = 0; l_Search < maximumSpanSearch; l_Search++)
{
bool isAllFull = true;
// ciclo sulla diagonale
for (int r = l_StartRow, c = l_StartCol; r >= l_EndRow && c <= l_EndCol; r--, c++)
{
if (this.cells[r, c] != null)
{
if (this.cells[r, c].ContainsPosition(l_ReqPos)) // se la cella richiesta fa parte di questa cella
{
return this.cells[r, c];
}
else
{
isAllFull &= true;
}
}
else
{
isAllFull = false;
}
}
if (isAllFull)
{
return null;
}
if (l_StartCol > 0)
{
l_StartCol--;
}
else
{
l_StartRow--;
}
if (l_EndRow > 0)
{
l_EndRow--;
}
else
{
l_EndCol--;
}
if (l_EndCol < 0 || l_StartRow < 0)
{
return null;
}
}
return null;
}
else
{
return l_RetCell;
}
}
}
set
{
InsertCell(row, column, value);
}
}
/// <summary>
/// Determines whether this ControlToPositionAssociation contains a specific value.
/// </summary>
/// <param name="value">
/// The Position value to locate in this ControlToPositionAssociation.
/// </param>
/// <returns>
/// true if this ControlToPositionAssociation contains an element with the specified value;
/// otherwise, false.
/// </returns>
public virtual bool ContainsValue(Position value)
{
foreach (Position item in this.Dictionary.Values)
{
if (item == value)
{
return true;
}
}
return false;
}
private void rows_RowsRemoved(object sender, IndexRangeEventArgs e)
{
Range l_RemovedRange = new Range(e.StartIndex, 0, e.StartIndex + e.Count - 1, ColumnsCount - 1);
if (l_RemovedRange.Contains(FocusCellPosition))
{
SetFocusCell(Position.Empty);
}
if (l_RemovedRange.Contains(mouseCellPosition))
{
mouseCellPosition = Position.Empty;
}
if (l_RemovedRange.Contains(mouseDownPosition))
{
mouseDownPosition = Position.Empty;
}
}
