226 lines
6.6 KiB
C#
226 lines
6.6 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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namespace MatrixCalculator
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{
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public partial class ImportCsvWindow : Form
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{
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private string csv;
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private bool allowExit = true;
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#region Public properties
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public int StartRow { get; set; }
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public int StartCol { get; set; }
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public int EndRow { get; set; }
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public int EndCol { get; set; }
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public string Csv{
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get { return csv; }
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set { csv = value; UpdateGrid(); }
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}
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public string MatrixName {
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get {
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return inputName.Text;
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}
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set {
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inputName.Text = value;
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}
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}
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public MathNet.Numerics.LinearAlgebra.Matrix<double> Matrix
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{
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get { return GridViewHelper.GetMatrix(dataGrid); }
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set { GridViewHelper.PutMatrix(value, dataGrid); }
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}
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#endregion
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private Dictionary<char, bool> separators = new Dictionary<char,bool>();
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public ImportCsvWindow()
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{
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InitializeComponent();
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separators.Add(',', true);
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separators.Add('\t', false);
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separators.Add(' ', false);
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separators.Add(';', false);
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}
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public void LoadFile(string filename)
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{
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if (System.IO.File.Exists(filename))
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Csv = System.IO.File.ReadAllText(filename);
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}
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private void UpdateGrid()
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{
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List<char> sep = new List<char>();
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foreach (var i in separators)
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if (i.Value) sep.Add(i.Key);
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// Update data
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dataGrid.DataSource = CsvParser.GetTable(Csv, sep.ToArray(), checkCombine.Checked);
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foreach (DataGridViewColumn i in dataGrid.Columns)
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{
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i.HeaderText = "";
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i.AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
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}
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// Update sizes
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inputStartRow.Value = 0;
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inputStartColumn.Value = 0;
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inputEndColumn.Value = inputEndColumn.Maximum = dataGrid.Columns.Count - 1;
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inputEndRow.Value = inputEndRow.Maximum = dataGrid.Rows.Count - 1;
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}
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#region Separators
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private void checkCombine_CheckedChanged(object sender, EventArgs e)
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{
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UpdateGrid();
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}
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private void checkSepComma_CheckedChanged(object sender, EventArgs e)
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{
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separators[','] = checkSepComma.Checked;
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UpdateGrid();
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}
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private void checkSepSemicolon_CheckedChanged(object sender, EventArgs e)
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{
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separators[';'] = checkSepComma.Checked;
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UpdateGrid();
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}
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private void checkSepSpace_CheckedChanged(object sender, EventArgs e)
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{
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separators[' '] = checkSepComma.Checked;
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UpdateGrid();
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}
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private void checkSepOthers_CheckedChanged(object sender, EventArgs e)
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{
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List<char> temp = new List<char>();
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foreach (var i in separators)
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if (i.Key != ' ' && i.Key != '\t' && i.Key != ';' && i.Key != ',')
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temp.Add(i.Key);
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foreach (var i in temp) separators[i] = false;
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if (checkSepOthers.Checked)
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foreach (var i in inputSepOthers.Text)
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separators[i] = true;
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UpdateGrid();
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}
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private void checkSepTab_CheckedChanged(object sender, EventArgs e)
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{
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separators['\t'] = checkSepComma.Checked;
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UpdateGrid();
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}
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private void inputSepOthers_TextChanged(object sender, EventArgs e)
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{
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List<char> temp = new List<char>();
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foreach (var i in separators)
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if (i.Key != ' ' && i.Key != '\t' && i.Key != ';' && i.Key != ',')
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temp.Add(i.Key);
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foreach (var i in temp) separators[i] = false;
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if (checkSepOthers.Checked)
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foreach (var i in inputSepOthers.Text)
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separators[i] = true;
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UpdateGrid();
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}
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#endregion
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#region Form buttons
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private void buttonEntire_Click(object sender, EventArgs e)
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{
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StartCol = StartRow = 0;
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inputEndColumn.Value = dataGrid.Columns.Count - 1;
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inputEndRow.Value = dataGrid.Rows.Count - 1;
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this.DialogResult = System.Windows.Forms.DialogResult.OK;
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this.Close();
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}
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private void buttonAccept_Click(object sender, EventArgs e)
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{
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// Get numbers
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StartCol = Convert.ToInt32(inputStartColumn.Value);
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StartRow = Convert.ToInt32(inputStartRow.Value);
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EndCol = Convert.ToInt32(inputEndColumn.Value);
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EndRow = Convert.ToInt32(inputEndRow.Value);
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// Validate input
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if (inputName.Text == "")
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{
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allowExit = false;
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MessageBox.Show("Name cannot be empty!", "Error!");
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return;
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}
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if (EndCol - StartCol <= 0 || EndRow - StartRow <= 0)
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{
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allowExit = false;
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MessageBox.Show("Invalid range, the matrix must have at least one row and one column.", "Error!");
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return;
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}
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// Trim unneeded rows and columns
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while (StartCol > 0) {
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dataGrid.Columns.RemoveAt(0);
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StartCol--;
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EndCol--;
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}
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while (StartRow > 0) {
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dataGrid.Rows.RemoveAt(0);
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StartRow--;
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EndRow--;
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}
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GridViewHelper.Resize(dataGrid, EndCol + 1, EndRow + 1);
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// Done, finish
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this.DialogResult = System.Windows.Forms.DialogResult.OK;
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this.Close();
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}
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private void buttonCancel_Click(object sender, EventArgs e)
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{
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this.DialogResult = System.Windows.Forms.DialogResult.Cancel;
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this.Close();
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}
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#endregion
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private void ImportCsvWindow_FormClosing(object sender, FormClosingEventArgs e)
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{
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if (!allowExit)
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{
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allowExit = true;
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e.Cancel = true;
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}
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}
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#region Painting
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protected override void OnPaintBackground(PaintEventArgs e)
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{
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DynamicLink.Controls.BackgroundGradient.Paint(e.Graphics, new Rectangle(-1, -1, this.Width, this.Height));
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}
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#endregion
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}
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}
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