/// <summary>
/// Fires when Background Color Clicked
/// </summary>
/// <param name="sender">UI Color Menu</param>
/// <param name="e">Event arguments</param>
private void BackgroundColorToolStripMenuItem_Click(object sender, EventArgs e)
{
// Open Color Dialog box for user to select a new color
ColorDialog colorDialog = new ColorDialog();
// Store a list of commands for undo / redo
List <SpreadsheetEngine.ICommand> restoreBGColorCommands = new List <SpreadsheetEngine.ICommand>();
// When the user selects a new color
if (colorDialog.ShowDialog() == DialogResult.OK)
{
// Iterate through each of the selected cells
foreach (DataGridViewCell cell in dataGridView.SelectedCells)
{
// Covert to spreadsheetCell location
CptS321.SpreadsheetCell spreadsheetCell = spreadsheet.GetCell((uint)cell.RowIndex, (uint)cell.ColumnIndex);
uint oldColor = spreadsheetCell.BGColor;
uint newColor = (uint)colorDialog.Color.ToArgb();
spreadsheetCell.BGColor = newColor;
// Create the undo command
SpreadsheetEngine.RestoreBGColorCommand restoreColor = new SpreadsheetEngine.RestoreBGColorCommand(spreadsheetCell, oldColor, newColor);
restoreBGColorCommands.Add(restoreColor);
}
// Add command list to the stack
spreadsheet.AddUndo(restoreBGColorCommands);
this.undoToolStripMenuItem.Enabled = true;
// Check redo stack, clear if not already empty
if (!this.spreadsheet.RedoStackIsEmpty())
{
this.spreadsheet.ClearRedoStack();
}
}
// Update button labels and enabled state
UpdateToolStripMenu();
}
