1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.ComponentModel;
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24 | using System.Collections.Generic;
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25 | using System.Drawing;
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26 | using System.Linq;
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27 | using System.Windows.Forms;
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28 | using HeuristicLab.Common;
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29 | using HeuristicLab.MainForm;
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30 | using HeuristicLab.MainForm.WindowsForms;
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31 |
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32 | namespace HeuristicLab.Data.Views {
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33 | [View("StringConvertibleMatrix View")]
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34 | [Content(typeof(IStringConvertibleMatrix), true)]
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35 | public partial class StringConvertibleMatrixView : AsynchronousContentView {
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36 | public new IStringConvertibleMatrix Content {
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37 | get { return (IStringConvertibleMatrix)base.Content; }
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38 | set { base.Content = value; }
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39 | }
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40 |
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41 | private int[] virtualRowIndizes;
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42 | private List<KeyValuePair<int, SortOrder>> sortedColumnIndizes;
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43 | RowComparer rowComparer;
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44 |
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45 | public StringConvertibleMatrixView() {
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46 | InitializeComponent();
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47 | Caption = "StringConvertibleMatrix View";
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48 | errorProvider.SetIconAlignment(rowsTextBox, ErrorIconAlignment.MiddleLeft);
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49 | errorProvider.SetIconPadding(rowsTextBox, 2);
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50 | errorProvider.SetIconAlignment(columnsTextBox, ErrorIconAlignment.MiddleLeft);
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51 | errorProvider.SetIconPadding(columnsTextBox, 2);
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52 | sortedColumnIndizes = new List<KeyValuePair<int, SortOrder>>();
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53 | rowComparer = new RowComparer();
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54 | }
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55 | public StringConvertibleMatrixView(IStringConvertibleMatrix content)
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56 | : this() {
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57 | Content = content;
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58 | }
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59 |
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60 | protected override void DeregisterContentEvents() {
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61 | Content.ItemChanged -= new EventHandler<EventArgs<int, int>>(Content_ItemChanged);
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62 | Content.Reset -= new EventHandler(Content_Reset);
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63 | Content.ColumnNamesChanged -= new EventHandler(Content_ColumnNamesChanged);
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64 | Content.RowNamesChanged -= new EventHandler(Content_RowNamesChanged);
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65 | base.DeregisterContentEvents();
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66 | }
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67 |
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68 |
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69 | protected override void RegisterContentEvents() {
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70 | base.RegisterContentEvents();
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71 | Content.ItemChanged += new EventHandler<EventArgs<int, int>>(Content_ItemChanged);
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72 | Content.Reset += new EventHandler(Content_Reset);
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73 | Content.ColumnNamesChanged += new EventHandler(Content_ColumnNamesChanged);
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74 | Content.RowNamesChanged += new EventHandler(Content_RowNamesChanged);
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75 | }
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76 |
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77 |
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78 |
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79 | protected override void OnContentChanged() {
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80 | base.OnContentChanged();
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81 | sortedColumnIndizes.Clear();
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82 | if (Content == null) {
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83 | Caption = "StringConvertibleMatrix View";
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84 | rowsTextBox.Text = "";
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85 | rowsTextBox.Enabled = false;
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86 | columnsTextBox.Text = "";
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87 | columnsTextBox.Enabled = false;
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88 | dataGridView.Rows.Clear();
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89 | dataGridView.Columns.Clear();
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90 | dataGridView.Enabled = false;
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91 | virtualRowIndizes = new int[0];
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92 | } else {
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93 | Caption = "StringConvertibleMatrix (" + Content.GetType().Name + ")";
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94 | UpdateData();
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95 | }
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96 | }
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97 |
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98 | private void UpdateData() {
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99 | rowsTextBox.Text = Content.Rows.ToString();
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100 | rowsTextBox.Enabled = true;
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101 | columnsTextBox.Text = Content.Columns.ToString();
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102 | columnsTextBox.Enabled = true;
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103 | virtualRowIndizes = Enumerable.Range(0, Content.Rows).ToArray();
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104 | dataGridView.EndEdit();
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105 | dataGridView.RowCount = 0;
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106 | dataGridView.ColumnCount = 0;
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107 | if ((Content.Rows > 0) && (Content.Columns > 0)) {
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108 | dataGridView.RowCount = Content.Rows;
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109 | dataGridView.ColumnCount = Content.Columns;
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110 | UpdateRowHeaders();
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111 | UpdateColumnHeaders();
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112 | }
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113 | dataGridView.ReadOnly = Content.ReadOnlyView;
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114 | dataGridView.Enabled = true;
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115 | }
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116 |
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117 | private void UpdateColumnHeaders() {
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118 | for (int i = 0; i < Content.Columns; i++) {
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119 | if (Content.ColumnNames.Count() != 0)
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120 | dataGridView.Columns[i].HeaderText = Content.ColumnNames.ElementAt(i);
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121 | else
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122 | dataGridView.Columns[i].HeaderText = "Column " + i;
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123 | }
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124 | dataGridView.Invalidate();
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125 | }
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126 |
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127 | private void UpdateRowHeaders() {
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128 | for (int i = dataGridView.FirstDisplayedScrollingRowIndex; i < dataGridView.FirstDisplayedScrollingRowIndex + dataGridView.DisplayedRowCount(true); i++) {
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129 | if (Content.RowNames.Count() != 0)
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130 | dataGridView.Rows[i].HeaderCell.Value = Content.RowNames.ElementAt(i);
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131 | else
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132 | dataGridView.Rows[i].HeaderCell.Value = i.ToString();
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133 | }
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134 | dataGridView.Invalidate();
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135 | }
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136 |
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137 | private void Content_RowNamesChanged(object sender, EventArgs e) {
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138 | UpdateColumnHeaders();
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139 | }
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140 |
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141 | private void Content_ColumnNamesChanged(object sender, EventArgs e) {
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142 | UpdateRowHeaders();
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143 | }
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144 |
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145 | private void Content_ItemChanged(object sender, EventArgs<int, int> e) {
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146 | if (InvokeRequired)
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147 | Invoke(new EventHandler<EventArgs<int, int>>(Content_ItemChanged), sender, e);
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148 | else {
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149 | dataGridView.InvalidateCell(e.Value, e.Value2);
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150 | }
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151 | }
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152 | private void Content_Reset(object sender, EventArgs e) {
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153 | if (InvokeRequired)
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154 | Invoke(new EventHandler(Content_Reset), sender, e);
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155 | else
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156 | UpdateData();
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157 | }
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158 |
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159 | #region TextBox Events
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160 | private void rowsTextBox_Validating(object sender, CancelEventArgs e) {
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161 | int i = 0;
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162 | if (!int.TryParse(rowsTextBox.Text, out i) || (i < 0)) {
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163 | e.Cancel = true;
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164 | errorProvider.SetError(rowsTextBox, "Invalid Number of Rows (Valid Values: Positive Integers Larger or Equal to 0)");
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165 | rowsTextBox.SelectAll();
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166 | }
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167 | }
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168 | private void rowsTextBox_Validated(object sender, EventArgs e) {
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169 | Content.Rows = int.Parse(rowsTextBox.Text);
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170 | errorProvider.SetError(rowsTextBox, string.Empty);
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171 | }
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172 | private void rowsTextBox_KeyDown(object sender, KeyEventArgs e) {
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173 | if (e.KeyCode == Keys.Enter || e.KeyCode == Keys.Return)
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174 | rowsLabel.Focus(); // set focus on label to validate data
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175 | if (e.KeyCode == Keys.Escape) {
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176 | rowsTextBox.Text = Content.Rows.ToString();
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177 | rowsLabel.Focus(); // set focus on label to validate data
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178 | }
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179 | }
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180 | private void columnsTextBox_Validating(object sender, CancelEventArgs e) {
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181 | int i = 0;
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182 | if (!int.TryParse(columnsTextBox.Text, out i) || (i < 0)) {
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183 | e.Cancel = true;
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184 | errorProvider.SetError(columnsTextBox, "Invalid Number of Columns (Valid Values: Positive Integers Larger or Equal to 0)");
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185 | columnsTextBox.SelectAll();
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186 | }
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187 | }
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188 | private void columnsTextBox_Validated(object sender, EventArgs e) {
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189 | Content.Columns = int.Parse(columnsTextBox.Text);
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190 | errorProvider.SetError(columnsTextBox, string.Empty);
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191 | }
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192 | private void columnsTextBox_KeyDown(object sender, KeyEventArgs e) {
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193 | if (e.KeyCode == Keys.Enter || e.KeyCode == Keys.Return)
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194 | columnsLabel.Focus(); // set focus on label to validate data
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195 | if (e.KeyCode == Keys.Escape) {
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196 | columnsTextBox.Text = Content.Columns.ToString();
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197 | columnsLabel.Focus(); // set focus on label to validate data
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198 | }
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199 | }
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200 | #endregion
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201 |
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202 | #region DataGridView Events
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203 | private void dataGridView_CellValidating(object sender, DataGridViewCellValidatingEventArgs e) {
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204 | string errorMessage;
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205 | if (!Content.Validate(e.FormattedValue.ToString(), out errorMessage)) {
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206 | e.Cancel = true;
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207 | dataGridView.Rows[e.RowIndex].ErrorText = errorMessage;
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208 | }
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209 | }
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210 | private void dataGridView_CellParsing(object sender, DataGridViewCellParsingEventArgs e) {
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211 | string value = e.Value.ToString();
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212 | int rowIndex = virtualRowIndizes[e.RowIndex];
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213 | e.ParsingApplied = Content.SetValue(value, rowIndex, e.ColumnIndex);
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214 | if (e.ParsingApplied) e.Value = Content.GetValue(rowIndex, e.ColumnIndex);
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215 | }
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216 | private void dataGridView_CellEndEdit(object sender, DataGridViewCellEventArgs e) {
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217 | dataGridView.Rows[e.RowIndex].ErrorText = string.Empty;
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218 | }
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219 | private void dataGridView_CellValueNeeded(object sender, DataGridViewCellValueEventArgs e) {
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220 | int rowIndex = virtualRowIndizes[e.RowIndex];
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221 | e.Value = Content.GetValue(rowIndex, e.ColumnIndex);
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222 | }
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223 |
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224 | private void dataGridView_Scroll(object sender, ScrollEventArgs e) {
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225 | UpdateRowHeaders();
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226 | }
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227 |
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228 | private void dataGridView_Resize(object sender, EventArgs e) {
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229 | UpdateRowHeaders();
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230 | }
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231 |
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232 | private void dataGridView_ColumnHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e) {
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233 | if (Content != null) {
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234 | if (e.Button == MouseButtons.Left && Content.SortableView) {
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235 | bool addToSortedIndizes = (Control.ModifierKeys & Keys.Control) == Keys.Control;
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236 | SortOrder newSortOrder = SortOrder.Ascending;
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237 | if (sortedColumnIndizes.Any(x => x.Key == e.ColumnIndex)) {
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238 | SortOrder oldSortOrder = sortedColumnIndizes.Where(x => x.Key == e.ColumnIndex).First().Value;
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239 | int enumLength = Enum.GetValues(typeof(SortOrder)).Length;
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240 | newSortOrder = oldSortOrder = (SortOrder)Enum.Parse(typeof(SortOrder), ((((int)oldSortOrder) + 1) % enumLength).ToString());
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241 | }
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242 |
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243 | if (!addToSortedIndizes)
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244 | sortedColumnIndizes.Clear();
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245 |
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246 | if (sortedColumnIndizes.Any(x => x.Key == e.ColumnIndex)) {
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247 | int sortedIndex = sortedColumnIndizes.FindIndex(x => x.Key == e.ColumnIndex);
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248 | if (newSortOrder != SortOrder.None)
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249 | sortedColumnIndizes[sortedIndex] = new KeyValuePair<int, SortOrder>(e.ColumnIndex, newSortOrder);
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250 | else
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251 | sortedColumnIndizes.RemoveAt(sortedIndex);
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252 | } else
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253 | if (newSortOrder != SortOrder.None)
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254 | sortedColumnIndizes.Add(new KeyValuePair<int, SortOrder>(e.ColumnIndex, newSortOrder));
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255 | Sort();
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256 | } else if (e.Button == MouseButtons.Right) {
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257 | if (Content.ColumnNames.Count() != 0)
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258 | contextMenu.Show(MousePosition);
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259 | }
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260 | }
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261 | }
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262 |
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263 | private void Sort() {
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264 | int[] newSortedIndex = Enumerable.Range(0, Content.Rows - 1).ToArray();
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265 | if (sortedColumnIndizes.Count != 0) {
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266 | rowComparer.sortedIndizes = sortedColumnIndizes;
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267 | rowComparer.matrix = Content;
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268 | Array.Sort(newSortedIndex, rowComparer);
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269 | }
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270 | virtualRowIndizes = newSortedIndex;
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271 | dataGridView.Invalidate();
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272 | foreach (DataGridViewColumn col in this.dataGridView.Columns)
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273 | col.HeaderCell.SortGlyphDirection = SortOrder.None;
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274 | foreach (KeyValuePair<int, SortOrder> p in sortedColumnIndizes)
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275 | this.dataGridView.Columns[p.Key].HeaderCell.SortGlyphDirection = p.Value;
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276 | }
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277 | #endregion
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278 |
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279 | private class RowComparer : IComparer<int> {
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280 | public List<KeyValuePair<int, SortOrder>> sortedIndizes;
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281 | public IStringConvertibleMatrix matrix;
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282 | public RowComparer() {
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283 | }
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284 |
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285 | public int Compare(int x, int y) {
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286 | int result = 0;
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287 | double double1, double2;
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288 | DateTime dateTime1, dateTime2;
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289 | string string1, string2;
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290 |
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291 | foreach (KeyValuePair<int, SortOrder> pair in sortedIndizes) {
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292 | string1 = matrix.GetValue(x, pair.Key);
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293 | string2 = matrix.GetValue(y, pair.Key);
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294 | if (double.TryParse(string1, out double1) && double.TryParse(string2, out double2))
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295 | result = double1.CompareTo(double2);
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296 | else if (DateTime.TryParse(string1, out dateTime1) && DateTime.TryParse(string2, out dateTime2))
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297 | result = dateTime1.CompareTo(dateTime2);
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298 | else {
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299 | if (string1 != null)
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300 | result = string1.CompareTo(string2);
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301 | else if (string2 != null)
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302 | result = string2.CompareTo(string1) * -1;
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303 | }
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304 | if (pair.Value == SortOrder.Descending)
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305 | result *= -1;
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306 | if (result != 0)
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307 | return result;
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308 | }
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309 | return result;
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310 | }
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311 | }
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312 |
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313 | private void ShowHideColumns_Click(object sender, EventArgs e) {
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314 | new ColumnsVisibilityDialog(this.dataGridView.Columns.Cast<DataGridViewColumn>()).ShowDialog();
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315 | }
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316 | }
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317 | }
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