Esempio n. 1
0
        public static ElectronicTable FillFromText(string data)
        {
            try
            {
                var reader = new StringReader(data);
                var sizes  = reader.ReadLine();
                var n      = int.Parse(sizes.Substring(0, sizes.IndexOf(' ')));
                var m      = int.Parse(sizes.Substring(sizes.IndexOf(' ') + 1));
                Console.WriteLine($"created table with sizes {n} and {m}");
                ElectronicTable table = new ElectronicTable(n, m);
                for (int i = 0; i < n; i++)
                {
                    for (int j = 0; j < m; j++)
                    {
                        table.Cell(i, j).Expression = reader.ReadLine();

                        Console.WriteLine($"in cell ({i},{j}) now {table.Cell(i, j).Expression}");
                    }
                }
                for (int i = 0; i < n; i++)
                {
                    for (int j = 0; j < m; j++)
                    {
                        table.CalculateAllCells(table.Cell(i, j));
                        Console.WriteLine($"value of ({i},{j}) now {table.Cell(i, j).Value}");
                    }
                }
                return(table);
            }
            catch
            {
                throw;
            }
        }
Esempio n. 2
0
        void AddTable(ElectronicTable table)
        {
            if (table == null)
            {
                Table = new ElectronicTable(20, 10)
                {
                    Location = new Point(40, MainPanel.Bottom + 20),
                    Size     = new Size(ClientSize.Width - 80,
                                        ClientSize.Height - MainPanel.Bottom - 80),
                };
            }
            else
            {
                Table.SuspendLayout();
                Controls.Remove(Table);
                table.Location = new Point(30, MainPanel.Bottom + 30);
                table.Size     = new Size(ClientSize.Width - 60,
                                          ClientSize.Height - MainPanel.Bottom - 60);
                Table = table;
            }

            Table.CellEnter += (s, e) =>
            {
                ElectronicTableCell selected = Table.Cell(e.RowIndex, e.ColumnIndex) as ElectronicTableCell;
                ExpressionTextBox.Text = Table.Cell(e.RowIndex, e.ColumnIndex).Expression;
            };
            Table.CellBeginEdit += (s, e) =>
            {
                try
                {
                    Table.CurCell.Value = ExpressionTextBox.Text =
                        Table.Cell(e.RowIndex, e.ColumnIndex).Expression;
                }
                catch (IndexOutOfRangeException)
                {
                }
            };
            Table.CellEndEdit += (s, e) =>
            {
                ElectronicTableCell changed = Table.Cell(e.RowIndex, e.ColumnIndex);
                string oldExpr = changed.Expression;
                changed.Expression = (string)changed.Value;
                try
                {
                    Table.CalculateAllCells(changed);
                }
                catch (Exception ex)
                {
                    if (ex.Data.Contains("Type"))
                    {
                        MessageBox.Show($"Wrong expression: {ex.Data["Type"]}", "Error");
                    }
                    else
                    {
                        MessageBox.Show($"Wrong expression", "Error");
                    }
                    changed.Expression = oldExpr;
                    Table.CalculateAllCells(changed);
                }
                TableChanged = true;
                Text         = "*Table";
            };
            Controls.Add(Table);
            Table.ResumeLayout();
        }
Esempio n. 3
0
 void AddFileButtons()
 {
     OpenAboutButton = new Button()
     {
         Location = new Point(
             RemoveColumn.Right + Math.Max(20,
                                           (ClientRectangle.Right - 900 - ExpressionTextBox.Right) / 2 - 30)
             , 10),
         Size = new Size(80, 30),
         Text = "About",
         Font = new Font("Arial", 14),
     };
     OpenAboutButton.Click += (s, e) =>
     {
         MessageBox.Show("Сивокобильска Іра, К-25, варіант №5\nІндивідуальне завдання: *, /, +, -, div, mod, ^, mmax(), mmin()",
                         "About", MessageBoxButtons.OK);
     };
     SaveToButton = new Button()
     {
         Location = new Point(OpenAboutButton.Right + 15, OpenAboutButton.Top),
         Size     = new Size(80, 30),
         Text     = "Save",
         Font     = new Font("Arial", 14),
     };
     SaveToButton.Click += (s, e) =>
     {
         var saveTo = new SaveFileDialog()
         {
             Filter = "Text files (*.txt)|*.txt",
         };
         if (saveTo.ShowDialog() == DialogResult.OK)
         {
             File.WriteAllText(saveTo.FileName, Table.ConvertToText());
         }
         TableChanged = false;
         Text         = "Table";
     };
     Open = new Button()
     {
         Location = new Point(SaveToButton.Right + 15, OpenAboutButton.Top),
         Size     = new Size(80, 30),
         Text     = "Open",
         Font     = new Font("Arial", 14),
     };
     Open.Click += (s, e) =>
     {
         if (TableChanged)
         {
             var isSave = MessageBox.Show("Do you wanna save this table before you open other?", "Saving", MessageBoxButtons.YesNoCancel);
             if (isSave == DialogResult.Yes)
             {
                 SaveToButton.PerformClick();
             }
         }
         var openFrom = new OpenFileDialog()
         {
             Filter = "Text files (*.txt)|*.txt",
         };
         if (openFrom.ShowDialog() == DialogResult.OK)
         {
             try
             {
                 AddTable(
                     ElectronicTable.FillFromText(
                         File.ReadAllText(openFrom.FileName)));
             }
             catch
             {
                 MessageBox.Show($"Wrong file: {openFrom.FileName}", "Wrong file");
             }
         }
     };
     Clear = new Button()
     {
         Location = new Point(Open.Right + 15, OpenAboutButton.Top),
         Size     = new Size(70, 30),
         Text     = "Clear",
         Font     = new Font("Arial", 14),
     };
     Clear.Click += (s, e) =>
     {
         Table.Clear();
     };
     MainPanel.Controls.Add(OpenAboutButton);
     MainPanel.Controls.Add(SaveToButton);
     MainPanel.Controls.Add(Open);
     MainPanel.Controls.Add(Clear);
 }