public Form1(string filepath)
{
InitializeComponent();
//make sure the file path is not null before intializing the spreadsheet
if (filepath != null)
{
spread = new Spreadsheet(filepath, s => true, s => s.ToUpper(), "ps6");
this.Text = filepath;
fileName = filepath;
saved = true;
}
//initializing the state of the spreadsheet by
// setting the selection to the first cell
spreadsheetPanel1.SetSelection(0, 0);
// Setting the textbox for the name to A1
CellName.Text = "A1";
// Displaying the cells
DisplayPanelOnOpen(spreadsheetPanel1);
//Adding the displayControlsOnSelection as a listener to the event handler for the panel
spreadsheetPanel1.SelectionChanged += DisplayControlsOnSelection;
// adding the function pd_PrintPage to the event handler pd.PrintPage, so that pd_PrintPage will be called
// when the event is triggered.
pd.PrintPage += new PrintPageEventHandler(pd_PrintPage);
// Setting the cursor to the textbox for cell contents.
CellContents.Select();
}
/// <summary>
/// users can still click-select cells
/// </summary>
/// <remarks>
/// This is actually trickier than it seems. We need to update the
/// cell value and cell content txt boxes, update col,row,
/// and ensure that focus is passed to the panel.
/// Deselecting should release(write) the edit box text to the cell
/// </remarks>
/// <param name="sender"></param>
private void Panel_SelectionChanged(SpreadsheetPanel sender)
{
Panel.GetSelection(out col, out row);
CellNameBox.Text = this.ColRow_To_string(col, row);
CellVal.Text = this.PrintableValue(sheetModel.GetCellValue(CellNameBox.Text));
string To_cell_content_box;
Panel.GetValue(col, row, out To_cell_content_box);
CellContents.Text = To_cell_content_box;
CellContents.Select(0, CellContents.Text.Length);
this.Panel.Select();
PanelFocus = true;
}
/// <summary>
/// I'm using this event to handle arrow keys. probably bad practice...
/// oh well
/// </summary>
/// <param name="msg">I don't know what this does</param>
/// <param name="keyData">Data about the keypress</param>
/// <returns>a boolean...for obvious reasons...</returns>
protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
if (PanelFocus)
{
switch (keyData)
{
case Keys.Down:
Panel.SetSelection(col, ++row);
this.Panel_SelectionChanged(Panel);
break;
case Keys.Up:
Panel.SetSelection(col, --row);
this.Panel_SelectionChanged(Panel);
break;
case Keys.Left:
Panel.SetSelection(--col, row);
this.Panel_SelectionChanged(Panel);
break;
case Keys.Right:
Panel.SetSelection(++col, row);
this.Panel_SelectionChanged(Panel);
break;
default:
PanelFocus = false;
CellContents.Text += new string((char)keyData, 1);
CellContents.Select(CellContents.Text.Length, 0);
//Panel.SetValue(col, row, CellContents.Text);
break;
}
this.CellContents.Select();
return(true);
}
return(base.ProcessCmdKey(ref msg, keyData));
}
/// <summary>
/// Creates a file dialog that allows an existing file to be opened in the same window
/// It will clear the contents of the existing window, and populate the window with the contents
/// of the spreadsheet to be opened.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void openFileDialog1_FileOk(object sender, CancelEventArgs e)
{
try
{
// getting the filename from the file dialog
string filePath = openFileDialog1.FileName;
// emptying the spreadsheet
spreadsheetPanel1.Clear();
//creating a new spreadsheet from the specified file path
spread = new Spreadsheet(filePath, s => true, s => s.ToUpper(), "ps6");
this.Text = filePath;
// updating the name of the spreadsheet window
fileName = filePath;
saved = true;
// setting the displays of the input boxes at the top
DisplayControlsOnSelection(spreadsheetPanel1);
// setting the display of the panels
DisplayPanelOnOpen(spreadsheetPanel1);
// adding the DisplayControlsOnSelection to event handler for the spreadsheet panel
spreadsheetPanel1.SelectionChanged += DisplayControlsOnSelection;
// setting the cursor to the CellContents input box
CellContents.Select();
}
catch
{
MessageBox.Show("There was an error opening the file. Please make sure that the filepath is correct, and that the file is a valid spreadsheet file.");
}
}