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 | protected int[] virtualRowIndizes;
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37 | private List<KeyValuePair<int, SortOrder>> sortedColumnIndizes;
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38 | private RowComparer rowComparer;
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39 |
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40 | public new IStringConvertibleMatrix Content {
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41 | get { return (IStringConvertibleMatrix)base.Content; }
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42 | set { base.Content = value; }
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43 | }
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44 |
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45 | public override bool ReadOnly {
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46 | get {
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47 | if ((Content != null) && Content.ReadOnly) return true;
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48 | return base.ReadOnly;
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49 | }
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50 | set { base.ReadOnly = value; }
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51 | }
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52 |
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53 | public StringConvertibleMatrixView() {
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54 | InitializeComponent();
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55 | Caption = "StringConvertibleMatrix View";
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56 | errorProvider.SetIconAlignment(rowsTextBox, ErrorIconAlignment.MiddleLeft);
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57 | errorProvider.SetIconPadding(rowsTextBox, 2);
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58 | errorProvider.SetIconAlignment(columnsTextBox, ErrorIconAlignment.MiddleLeft);
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59 | errorProvider.SetIconPadding(columnsTextBox, 2);
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60 | sortedColumnIndizes = new List<KeyValuePair<int, SortOrder>>();
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61 | rowComparer = new RowComparer();
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62 | }
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63 |
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64 | protected override void DeregisterContentEvents() {
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65 | Content.ItemChanged -= new EventHandler<EventArgs<int, int>>(Content_ItemChanged);
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66 | Content.Reset -= new EventHandler(Content_Reset);
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67 | Content.ColumnNamesChanged -= new EventHandler(Content_ColumnNamesChanged);
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68 | Content.RowNamesChanged -= new EventHandler(Content_RowNamesChanged);
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69 | base.DeregisterContentEvents();
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70 | }
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71 | protected override void RegisterContentEvents() {
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72 | base.RegisterContentEvents();
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73 | Content.ItemChanged += new EventHandler<EventArgs<int, int>>(Content_ItemChanged);
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74 | Content.Reset += new EventHandler(Content_Reset);
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75 | Content.ColumnNamesChanged += new EventHandler(Content_ColumnNamesChanged);
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76 | Content.RowNamesChanged += new EventHandler(Content_RowNamesChanged);
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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 | if (Content == null) {
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82 | Caption = "StringConvertibleMatrix View";
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83 | rowsTextBox.Text = "";
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84 | columnsTextBox.Text = "";
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85 | dataGridView.Rows.Clear();
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86 | dataGridView.Columns.Clear();
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87 | virtualRowIndizes = new int[0];
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88 | } else {
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89 | Caption = "StringConvertibleMatrix (" + Content.GetType().Name + ")";
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90 | UpdateData();
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91 | }
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92 | SetEnabledStateOfControls();
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93 | }
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94 | protected override void OnReadOnlyChanged() {
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95 | base.OnReadOnlyChanged();
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96 | SetEnabledStateOfControls();
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97 | }
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98 | private void SetEnabledStateOfControls() {
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99 | rowsTextBox.Enabled = Content != null;
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100 | columnsTextBox.Enabled = Content != null;
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101 | dataGridView.Enabled = Content != null;
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102 | rowsTextBox.ReadOnly = ReadOnly;
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103 | columnsTextBox.ReadOnly = ReadOnly;
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104 | dataGridView.ReadOnly = ReadOnly;
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105 | }
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106 |
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107 | private void UpdateData() {
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108 | sortedColumnIndizes.Clear();
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109 | rowsTextBox.Text = Content.Rows.ToString();
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110 | rowsTextBox.Enabled = true;
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111 | columnsTextBox.Text = Content.Columns.ToString();
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112 | columnsTextBox.Enabled = true;
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113 | virtualRowIndizes = Enumerable.Range(0, Content.Rows).ToArray();
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114 | //DataGridViews with Rows but no columns are not allowed !
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115 | if (Content.Rows == 0 && dataGridView.RowCount != Content.Rows && !Content.ReadOnly)
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116 | Content.Rows = dataGridView.RowCount;
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117 | else
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118 | dataGridView.RowCount = Content.Rows;
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119 | if (Content.Columns == 0 && dataGridView.ColumnCount != Content.Columns && !Content.ReadOnly)
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120 | Content.Columns = dataGridView.ColumnCount;
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121 | else
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122 | dataGridView.ColumnCount = Content.Columns;
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123 |
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124 | Sort();
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125 | UpdateRowHeaders();
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126 | UpdateColumnHeaders();
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127 | dataGridView.AutoResizeColumns(DataGridViewAutoSizeColumnsMode.ColumnHeader);
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128 | dataGridView.AutoResizeRowHeadersWidth(DataGridViewRowHeadersWidthSizeMode.AutoSizeToDisplayedHeaders);
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129 | dataGridView.Enabled = true;
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130 | }
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131 |
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132 | private void UpdateColumnHeaders() {
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133 | for (int i = 0; i < Content.Columns; i++) {
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134 | if (Content.ColumnNames.Count() != 0)
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135 | dataGridView.Columns[i].HeaderText = Content.ColumnNames.ElementAt(i);
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136 | else
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137 | dataGridView.Columns[i].HeaderText = "Column " + (i + 1);
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138 | }
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139 | dataGridView.Invalidate();
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140 | }
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141 |
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142 | private void UpdateRowHeaders() {
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143 | for (int i = 0; i < dataGridView.RowCount; i++) {
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144 | if (Content.RowNames.Count() != 0)
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145 | dataGridView.Rows[i].HeaderCell.Value = Content.RowNames.ElementAt(virtualRowIndizes[i]);
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146 | else
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147 | dataGridView.Rows[i].HeaderCell.Value = "Row " + (i + 1);
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148 | }
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149 | dataGridView.Invalidate();
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150 | }
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151 |
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152 | private void Content_RowNamesChanged(object sender, EventArgs e) {
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153 | if (InvokeRequired)
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154 | Invoke(new EventHandler(Content_RowNamesChanged), sender, e);
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155 | else
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156 | UpdateRowHeaders();
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157 | }
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158 | private void Content_ColumnNamesChanged(object sender, EventArgs e) {
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159 | if (InvokeRequired)
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160 | Invoke(new EventHandler(Content_ColumnNamesChanged), sender, e);
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161 | else
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162 | UpdateColumnHeaders();
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163 | }
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164 | private void Content_ItemChanged(object sender, EventArgs<int, int> e) {
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165 | if (InvokeRequired)
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166 | Invoke(new EventHandler<EventArgs<int, int>>(Content_ItemChanged), sender, e);
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167 | else
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168 | dataGridView.InvalidateCell(e.Value2, e.Value);
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169 | }
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170 | private void Content_Reset(object sender, EventArgs e) {
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171 | if (InvokeRequired)
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172 | Invoke(new EventHandler(Content_Reset), sender, e);
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173 | else
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174 | UpdateData();
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175 | }
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176 |
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177 | #region TextBox Events
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178 | private void rowsTextBox_Validating(object sender, CancelEventArgs e) {
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179 | if (ReadOnly || Locked)
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180 | return;
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181 | int i = 0;
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182 | if (!int.TryParse(rowsTextBox.Text, out i) || (i <= 0)) {
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183 | e.Cancel = true;
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184 | errorProvider.SetError(rowsTextBox, "Invalid Number of Rows (Valid values are positive integers larger than 0)");
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185 | rowsTextBox.SelectAll();
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186 | }
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187 | }
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188 | private void rowsTextBox_Validated(object sender, EventArgs e) {
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189 | if (!Content.ReadOnly) Content.Rows = int.Parse(rowsTextBox.Text);
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190 | errorProvider.SetError(rowsTextBox, string.Empty);
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191 | }
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192 | private void rowsTextBox_KeyDown(object sender, KeyEventArgs e) {
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193 | if (e.KeyCode == Keys.Enter || e.KeyCode == Keys.Return)
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194 | rowsLabel.Focus(); // set focus on label to validate data
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195 | if (e.KeyCode == Keys.Escape) {
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196 | rowsTextBox.Text = Content.Rows.ToString();
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197 | rowsLabel.Focus(); // set focus on label to validate data
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198 | }
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199 | }
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200 | private void columnsTextBox_Validating(object sender, CancelEventArgs e) {
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201 | if (ReadOnly || Locked)
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202 | return;
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203 | int i = 0;
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204 | if (!int.TryParse(columnsTextBox.Text, out i) || (i <= 0)) {
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205 | e.Cancel = true;
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206 | errorProvider.SetError(columnsTextBox, "Invalid Number of Columns (Valid values are positive integers larger than 0)");
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207 | columnsTextBox.SelectAll();
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208 | }
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209 | }
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210 | private void columnsTextBox_Validated(object sender, EventArgs e) {
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211 | if (!Content.ReadOnly) Content.Columns = int.Parse(columnsTextBox.Text);
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212 | errorProvider.SetError(columnsTextBox, string.Empty);
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213 | }
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214 | private void columnsTextBox_KeyDown(object sender, KeyEventArgs e) {
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215 | if (e.KeyCode == Keys.Enter || e.KeyCode == Keys.Return)
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216 | columnsLabel.Focus(); // set focus on label to validate data
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217 | if (e.KeyCode == Keys.Escape) {
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218 | columnsTextBox.Text = Content.Columns.ToString();
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219 | columnsLabel.Focus(); // set focus on label to validate data
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220 | }
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221 | }
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222 | #endregion
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223 |
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224 | #region DataGridView Events
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225 | private void dataGridView_CellValidating(object sender, DataGridViewCellValidatingEventArgs e) {
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226 | if (!dataGridView.ReadOnly) {
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227 | string errorMessage;
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228 | if (!Content.Validate(e.FormattedValue.ToString(), out errorMessage)) {
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229 | e.Cancel = true;
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230 | dataGridView.Rows[e.RowIndex].ErrorText = errorMessage;
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231 | }
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232 | }
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233 | }
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234 | private void dataGridView_CellParsing(object sender, DataGridViewCellParsingEventArgs e) {
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235 | if (!dataGridView.ReadOnly) {
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236 | string value = e.Value.ToString();
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237 | int rowIndex = virtualRowIndizes[e.RowIndex];
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238 | e.ParsingApplied = Content.SetValue(value, rowIndex, e.ColumnIndex);
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239 | if (e.ParsingApplied) e.Value = Content.GetValue(rowIndex, e.ColumnIndex);
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240 | }
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241 | }
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242 | private void dataGridView_CellEndEdit(object sender, DataGridViewCellEventArgs e) {
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243 | dataGridView.Rows[e.RowIndex].ErrorText = string.Empty;
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244 | }
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245 | private void dataGridView_CellValueNeeded(object sender, DataGridViewCellValueEventArgs e) {
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246 | if (e.RowIndex < Content.Rows && e.ColumnIndex < Content.Columns) {
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247 | int rowIndex = virtualRowIndizes[e.RowIndex];
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248 | e.Value = Content.GetValue(rowIndex, e.ColumnIndex);
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249 | }
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250 | }
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251 | private void dataGridView_Scroll(object sender, ScrollEventArgs e) {
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252 | UpdateRowHeaders();
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253 | }
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254 | private void dataGridView_Resize(object sender, EventArgs e) {
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255 | UpdateRowHeaders();
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256 | }
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257 |
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258 | private void dataGridView_KeyDown(object sender, KeyEventArgs e) {
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259 | if (!ReadOnly && e.Control && e.KeyCode == Keys.V) { //shortcut for values paste
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260 | string[,] values = SplitClipboardString(Clipboard.GetText());
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261 |
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262 | int rowIndex = 0;
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263 | int columnIndex = 0;
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264 | if (dataGridView.CurrentCell != null) {
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265 | rowIndex = dataGridView.CurrentCell.RowIndex;
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266 | columnIndex = dataGridView.CurrentCell.ColumnIndex;
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267 | }
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268 |
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269 | for (int row = 0; row < values.GetLength(1); row++) {
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270 | if (row + rowIndex >= Content.Rows)
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271 | Content.Rows = Content.Rows + 1;
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272 | for (int col = 0; col < values.GetLength(0); col++) {
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273 | if (col + columnIndex >= Content.Columns)
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274 | Content.Columns = Content.Columns + 1;
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275 | Content.SetValue(values[col, row], row + rowIndex, col + columnIndex);
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276 | }
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277 | }
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278 |
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279 | ClearSorting();
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280 | }
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281 | }
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282 |
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283 | private string[,] SplitClipboardString(string clipboardText) {
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284 | clipboardText = clipboardText.Remove(clipboardText.Length - Environment.NewLine.Length); //remove last newline constant
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285 | string[,] values = null;
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286 | string[] lines = clipboardText.Split(new string[] { Environment.NewLine }, StringSplitOptions.None);
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287 | string[] cells;
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288 | for (int i = 0; i < lines.Length; i++) {
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289 | cells = lines[i].Split('\t');
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290 | if (values == null)
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291 | values = new string[cells.Length, lines.Length];
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292 | for (int j = 0; j < cells.Length; j++)
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293 | values[j, i] = string.IsNullOrEmpty(cells[j]) ? string.Empty : cells[j];
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294 | }
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295 | return values;
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296 | }
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297 |
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298 | private void dataGridView_ColumnHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e) {
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299 | if (Content != null) {
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300 | if (e.Button == MouseButtons.Left && Content.SortableView) {
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301 | bool addToSortedIndizes = (Control.ModifierKeys & Keys.Control) == Keys.Control;
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302 | SortOrder newSortOrder = SortOrder.Ascending;
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303 | if (sortedColumnIndizes.Any(x => x.Key == e.ColumnIndex)) {
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304 | SortOrder oldSortOrder = sortedColumnIndizes.Where(x => x.Key == e.ColumnIndex).First().Value;
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305 | int enumLength = Enum.GetValues(typeof(SortOrder)).Length;
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306 | newSortOrder = oldSortOrder = (SortOrder)Enum.Parse(typeof(SortOrder), ((((int)oldSortOrder) + 1) % enumLength).ToString());
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307 | }
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308 |
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309 | if (!addToSortedIndizes)
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310 | sortedColumnIndizes.Clear();
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311 |
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312 | if (sortedColumnIndizes.Any(x => x.Key == e.ColumnIndex)) {
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313 | int sortedIndex = sortedColumnIndizes.FindIndex(x => x.Key == e.ColumnIndex);
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314 | if (newSortOrder != SortOrder.None)
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315 | sortedColumnIndizes[sortedIndex] = new KeyValuePair<int, SortOrder>(e.ColumnIndex, newSortOrder);
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316 | else
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317 | sortedColumnIndizes.RemoveAt(sortedIndex);
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318 | } else
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319 | if (newSortOrder != SortOrder.None)
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320 | sortedColumnIndizes.Add(new KeyValuePair<int, SortOrder>(e.ColumnIndex, newSortOrder));
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321 | Sort();
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322 | } else if (e.Button == MouseButtons.Right) {
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323 | if (Content.ColumnNames.Count() != 0)
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324 | contextMenu.Show(MousePosition);
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325 | }
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326 | }
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327 | }
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328 |
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329 | protected void ClearSorting() {
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330 | virtualRowIndizes = Enumerable.Range(0, Content.Rows).ToArray();
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331 | sortedColumnIndizes.Clear();
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332 | UpdateSortGlyph();
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333 | }
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334 |
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335 | private void Sort() {
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336 | virtualRowIndizes = Sort(sortedColumnIndizes);
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337 | UpdateSortGlyph();
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338 | UpdateRowHeaders();
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339 | dataGridView.Invalidate();
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340 | }
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341 | protected virtual int[] Sort(IEnumerable<KeyValuePair<int, SortOrder>> sortedColumns) {
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342 | int[] newSortedIndex = Enumerable.Range(0, Content.Rows).ToArray();
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343 | if (sortedColumns.Count() != 0) {
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344 | rowComparer.SortedIndizes = sortedColumns;
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345 | rowComparer.Matrix = Content;
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346 | Array.Sort(newSortedIndex, rowComparer);
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347 | }
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348 | return newSortedIndex;
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349 | }
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350 | private void UpdateSortGlyph() {
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351 | foreach (DataGridViewColumn col in this.dataGridView.Columns)
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352 | col.HeaderCell.SortGlyphDirection = SortOrder.None;
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353 | foreach (KeyValuePair<int, SortOrder> p in sortedColumnIndizes)
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354 | this.dataGridView.Columns[p.Key].HeaderCell.SortGlyphDirection = p.Value;
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355 | }
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356 | #endregion
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357 |
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358 | public class RowComparer : IComparer<int> {
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359 | public RowComparer() {
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360 | }
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361 |
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362 | private List<KeyValuePair<int, SortOrder>> sortedIndizes;
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363 | public IEnumerable<KeyValuePair<int, SortOrder>> SortedIndizes {
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364 | get { return this.sortedIndizes; }
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365 | set { sortedIndizes = new List<KeyValuePair<int, SortOrder>>(value); }
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366 | }
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367 | private IStringConvertibleMatrix matrix;
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368 | public IStringConvertibleMatrix Matrix {
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369 | get { return this.matrix; }
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370 | set { this.matrix = value; }
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371 | }
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372 |
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373 | public int Compare(int x, int y) {
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374 | int result = 0;
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375 | double double1, double2;
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376 | DateTime dateTime1, dateTime2;
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377 | TimeSpan timeSpan1, timeSpan2;
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378 | string string1, string2;
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379 |
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380 | if (matrix == null)
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381 | throw new InvalidOperationException("Could not sort IStringConvertibleMatrix if the matrix member is null.");
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382 | if (sortedIndizes == null)
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383 | return 0;
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384 |
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385 | foreach (KeyValuePair<int, SortOrder> pair in sortedIndizes.Where(p => p.Value != SortOrder.None)) {
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386 | string1 = matrix.GetValue(x, pair.Key);
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387 | string2 = matrix.GetValue(y, pair.Key);
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388 | if (double.TryParse(string1, out double1) && double.TryParse(string2, out double2))
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389 | result = double1.CompareTo(double2);
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390 | else if (DateTime.TryParse(string1, out dateTime1) && DateTime.TryParse(string2, out dateTime2))
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391 | result = dateTime1.CompareTo(dateTime2);
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392 | else if (TimeSpan.TryParse(string1, out timeSpan1) && TimeSpan.TryParse(string2, out timeSpan2))
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393 | result = timeSpan1.CompareTo(timeSpan2);
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394 | else {
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395 | if (string1 != null)
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396 | result = string1.CompareTo(string2);
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397 | else if (string2 != null)
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398 | result = string2.CompareTo(string1) * -1;
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399 | }
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400 | if (pair.Value == SortOrder.Descending)
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401 | result *= -1;
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402 | if (result != 0)
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403 | return result;
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404 | }
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405 | return result;
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406 | }
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407 | }
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408 |
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409 | private void ShowHideColumns_Click(object sender, EventArgs e) {
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410 | new ColumnsVisibilityDialog(this.dataGridView.Columns.Cast<DataGridViewColumn>()).ShowDialog();
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411 | }
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412 | }
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413 | }
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