[2669] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[2790] | 3 | * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[2669] | 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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[3314] | 24 | using System.Collections.Generic;
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[2669] | 25 | using System.Drawing;
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[3312] | 26 | using System.Linq;
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[2669] | 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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[2713] | 30 | using HeuristicLab.MainForm.WindowsForms;
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[2669] | 31 |
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| 32 | namespace HeuristicLab.Data.Views {
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[3048] | 33 | [View("StringConvertibleMatrix View")]
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| 34 | [Content(typeof(IStringConvertibleMatrix), true)]
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[3228] | 35 | public partial class StringConvertibleMatrixView : AsynchronousContentView {
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[3448] | 36 | protected int[] virtualRowIndizes;
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[3430] | 37 | private List<KeyValuePair<int, SortOrder>> sortedColumnIndizes;
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| 38 | private RowComparer rowComparer;
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| 39 |
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[3048] | 40 | public new IStringConvertibleMatrix Content {
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| 41 | get { return (IStringConvertibleMatrix)base.Content; }
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[2713] | 42 | set { base.Content = value; }
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[2669] | 43 | }
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| 44 |
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[3430] | 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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[3314] | 52 |
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[3048] | 53 | public StringConvertibleMatrixView() {
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[2669] | 54 | InitializeComponent();
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[2677] | 55 | errorProvider.SetIconAlignment(rowsTextBox, ErrorIconAlignment.MiddleLeft);
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| 56 | errorProvider.SetIconPadding(rowsTextBox, 2);
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| 57 | errorProvider.SetIconAlignment(columnsTextBox, ErrorIconAlignment.MiddleLeft);
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| 58 | errorProvider.SetIconPadding(columnsTextBox, 2);
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[3314] | 59 | sortedColumnIndizes = new List<KeyValuePair<int, SortOrder>>();
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| 60 | rowComparer = new RowComparer();
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[2669] | 61 | }
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| 62 |
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[2713] | 63 | protected override void DeregisterContentEvents() {
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| 64 | Content.ItemChanged -= new EventHandler<EventArgs<int, int>>(Content_ItemChanged);
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| 65 | Content.Reset -= new EventHandler(Content_Reset);
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[3320] | 66 | Content.ColumnNamesChanged -= new EventHandler(Content_ColumnNamesChanged);
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| 67 | Content.RowNamesChanged -= new EventHandler(Content_RowNamesChanged);
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[2713] | 68 | base.DeregisterContentEvents();
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[2669] | 69 | }
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[2713] | 70 | protected override void RegisterContentEvents() {
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| 71 | base.RegisterContentEvents();
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| 72 | Content.ItemChanged += new EventHandler<EventArgs<int, int>>(Content_ItemChanged);
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| 73 | Content.Reset += new EventHandler(Content_Reset);
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[3320] | 74 | Content.ColumnNamesChanged += new EventHandler(Content_ColumnNamesChanged);
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| 75 | Content.RowNamesChanged += new EventHandler(Content_RowNamesChanged);
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[2669] | 76 | }
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| 77 |
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[2713] | 78 | protected override void OnContentChanged() {
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| 79 | base.OnContentChanged();
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| 80 | if (Content == null) {
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[2677] | 81 | rowsTextBox.Text = "";
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| 82 | columnsTextBox.Text = "";
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[2669] | 83 | dataGridView.Rows.Clear();
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[2677] | 84 | dataGridView.Columns.Clear();
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[3324] | 85 | virtualRowIndizes = new int[0];
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[3764] | 86 | } else
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[2713] | 87 | UpdateData();
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[3764] | 88 |
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[3362] | 89 | SetEnabledStateOfControls();
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[2669] | 90 | }
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[3350] | 91 | protected override void OnReadOnlyChanged() {
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| 92 | base.OnReadOnlyChanged();
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[3362] | 93 | SetEnabledStateOfControls();
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[3350] | 94 | }
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[3362] | 95 | private void SetEnabledStateOfControls() {
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[3454] | 96 | rowsTextBox.Enabled = Content != null;
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| 97 | columnsTextBox.Enabled = Content != null;
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| 98 | dataGridView.Enabled = Content != null;
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| 99 | rowsTextBox.ReadOnly = ReadOnly;
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| 100 | columnsTextBox.ReadOnly = ReadOnly;
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| 101 | dataGridView.ReadOnly = ReadOnly;
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[3350] | 102 | }
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[2669] | 103 |
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[2713] | 104 | private void UpdateData() {
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[3328] | 105 | sortedColumnIndizes.Clear();
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[2713] | 106 | rowsTextBox.Text = Content.Rows.ToString();
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[2973] | 107 | rowsTextBox.Enabled = true;
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[2713] | 108 | columnsTextBox.Text = Content.Columns.ToString();
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[2973] | 109 | columnsTextBox.Enabled = true;
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[3324] | 110 | virtualRowIndizes = Enumerable.Range(0, Content.Rows).ToArray();
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[3335] | 111 | //DataGridViews with Rows but no columns are not allowed !
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[3431] | 112 | if (Content.Rows == 0 && dataGridView.RowCount != Content.Rows && !Content.ReadOnly)
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[3335] | 113 | Content.Rows = dataGridView.RowCount;
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| 114 | else
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| 115 | dataGridView.RowCount = Content.Rows;
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[3431] | 116 | if (Content.Columns == 0 && dataGridView.ColumnCount != Content.Columns && !Content.ReadOnly)
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[3335] | 117 | Content.Columns = dataGridView.ColumnCount;
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| 118 | else
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| 119 | dataGridView.ColumnCount = Content.Columns;
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[3346] | 120 |
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[3643] | 121 | Sort();
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[3328] | 122 | UpdateRowHeaders();
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| 123 | UpdateColumnHeaders();
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[3346] | 124 | dataGridView.AutoResizeColumns(DataGridViewAutoSizeColumnsMode.ColumnHeader);
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| 125 | dataGridView.AutoResizeRowHeadersWidth(DataGridViewRowHeadersWidthSizeMode.AutoSizeToDisplayedHeaders);
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[2669] | 126 | dataGridView.Enabled = true;
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| 127 | }
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| 128 |
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[3312] | 129 | private void UpdateColumnHeaders() {
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| 130 | for (int i = 0; i < Content.Columns; i++) {
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| 131 | if (Content.ColumnNames.Count() != 0)
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| 132 | dataGridView.Columns[i].HeaderText = Content.ColumnNames.ElementAt(i);
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| 133 | else
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[3346] | 134 | dataGridView.Columns[i].HeaderText = "Column " + (i + 1);
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[3312] | 135 | }
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| 136 | dataGridView.Invalidate();
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| 137 | }
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| 138 |
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| 139 | private void UpdateRowHeaders() {
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[3546] | 140 | for (int i = 0; i < dataGridView.RowCount; i++) {
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[3312] | 141 | if (Content.RowNames.Count() != 0)
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[3546] | 142 | dataGridView.Rows[i].HeaderCell.Value = Content.RowNames.ElementAt(virtualRowIndizes[i]);
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[3314] | 143 | else
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[3346] | 144 | dataGridView.Rows[i].HeaderCell.Value = "Row " + (i + 1);
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[3312] | 145 | }
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| 146 | dataGridView.Invalidate();
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| 147 | }
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| 148 |
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[3320] | 149 | private void Content_RowNamesChanged(object sender, EventArgs e) {
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[3328] | 150 | if (InvokeRequired)
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| 151 | Invoke(new EventHandler(Content_RowNamesChanged), sender, e);
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| 152 | else
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| 153 | UpdateRowHeaders();
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[3320] | 154 | }
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| 155 | private void Content_ColumnNamesChanged(object sender, EventArgs e) {
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[3328] | 156 | if (InvokeRequired)
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| 157 | Invoke(new EventHandler(Content_ColumnNamesChanged), sender, e);
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| 158 | else
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| 159 | UpdateColumnHeaders();
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[3320] | 160 | }
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[2713] | 161 | private void Content_ItemChanged(object sender, EventArgs<int, int> e) {
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[2669] | 162 | if (InvokeRequired)
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[2713] | 163 | Invoke(new EventHandler<EventArgs<int, int>>(Content_ItemChanged), sender, e);
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[3328] | 164 | else
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[3335] | 165 | dataGridView.InvalidateCell(e.Value2, e.Value);
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[2669] | 166 | }
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[2713] | 167 | private void Content_Reset(object sender, EventArgs e) {
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[2669] | 168 | if (InvokeRequired)
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[2713] | 169 | Invoke(new EventHandler(Content_Reset), sender, e);
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[2669] | 170 | else
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[2713] | 171 | UpdateData();
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[2669] | 172 | }
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| 173 |
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[2677] | 174 | #region TextBox Events
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| 175 | private void rowsTextBox_Validating(object sender, CancelEventArgs e) {
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[3714] | 176 | if (ReadOnly || Locked)
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| 177 | return;
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[2669] | 178 | int i = 0;
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[3335] | 179 | if (!int.TryParse(rowsTextBox.Text, out i) || (i <= 0)) {
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[2676] | 180 | e.Cancel = true;
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[3335] | 181 | errorProvider.SetError(rowsTextBox, "Invalid Number of Rows (Valid values are positive integers larger than 0)");
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[2677] | 182 | rowsTextBox.SelectAll();
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[2669] | 183 | }
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| 184 | }
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[2677] | 185 | private void rowsTextBox_Validated(object sender, EventArgs e) {
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[3430] | 186 | if (!Content.ReadOnly) Content.Rows = int.Parse(rowsTextBox.Text);
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[2677] | 187 | errorProvider.SetError(rowsTextBox, string.Empty);
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[2669] | 188 | }
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[2677] | 189 | private void rowsTextBox_KeyDown(object sender, KeyEventArgs e) {
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[2669] | 190 | if (e.KeyCode == Keys.Enter || e.KeyCode == Keys.Return)
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[2677] | 191 | rowsLabel.Focus(); // set focus on label to validate data
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[2676] | 192 | if (e.KeyCode == Keys.Escape) {
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[2973] | 193 | rowsTextBox.Text = Content.Rows.ToString();
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[2677] | 194 | rowsLabel.Focus(); // set focus on label to validate data
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[2676] | 195 | }
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[2669] | 196 | }
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[2677] | 197 | private void columnsTextBox_Validating(object sender, CancelEventArgs e) {
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[3714] | 198 | if (ReadOnly || Locked)
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| 199 | return;
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[2677] | 200 | int i = 0;
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[3335] | 201 | if (!int.TryParse(columnsTextBox.Text, out i) || (i <= 0)) {
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[2677] | 202 | e.Cancel = true;
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[3335] | 203 | errorProvider.SetError(columnsTextBox, "Invalid Number of Columns (Valid values are positive integers larger than 0)");
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[2677] | 204 | columnsTextBox.SelectAll();
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| 205 | }
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| 206 | }
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| 207 | private void columnsTextBox_Validated(object sender, EventArgs e) {
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[3430] | 208 | if (!Content.ReadOnly) Content.Columns = int.Parse(columnsTextBox.Text);
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[2677] | 209 | errorProvider.SetError(columnsTextBox, string.Empty);
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| 210 | }
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| 211 | private void columnsTextBox_KeyDown(object sender, KeyEventArgs e) {
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| 212 | if (e.KeyCode == Keys.Enter || e.KeyCode == Keys.Return)
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| 213 | columnsLabel.Focus(); // set focus on label to validate data
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| 214 | if (e.KeyCode == Keys.Escape) {
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[2713] | 215 | columnsTextBox.Text = Content.Columns.ToString();
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[2677] | 216 | columnsLabel.Focus(); // set focus on label to validate data
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| 217 | }
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| 218 | }
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| 219 | #endregion
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| 220 |
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| 221 | #region DataGridView Events
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[2669] | 222 | private void dataGridView_CellValidating(object sender, DataGridViewCellValidatingEventArgs e) {
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[3328] | 223 | if (!dataGridView.ReadOnly) {
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| 224 | string errorMessage;
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| 225 | if (!Content.Validate(e.FormattedValue.ToString(), out errorMessage)) {
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| 226 | e.Cancel = true;
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| 227 | dataGridView.Rows[e.RowIndex].ErrorText = errorMessage;
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| 228 | }
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[2676] | 229 | }
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[2669] | 230 | }
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[2676] | 231 | private void dataGridView_CellParsing(object sender, DataGridViewCellParsingEventArgs e) {
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[3328] | 232 | if (!dataGridView.ReadOnly) {
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| 233 | string value = e.Value.ToString();
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| 234 | int rowIndex = virtualRowIndizes[e.RowIndex];
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| 235 | e.ParsingApplied = Content.SetValue(value, rowIndex, e.ColumnIndex);
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| 236 | if (e.ParsingApplied) e.Value = Content.GetValue(rowIndex, e.ColumnIndex);
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| 237 | }
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[2669] | 238 | }
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[2676] | 239 | private void dataGridView_CellEndEdit(object sender, DataGridViewCellEventArgs e) {
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| 240 | dataGridView.Rows[e.RowIndex].ErrorText = string.Empty;
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| 241 | }
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[3312] | 242 | private void dataGridView_CellValueNeeded(object sender, DataGridViewCellValueEventArgs e) {
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[3337] | 243 | if (e.RowIndex < Content.Rows && e.ColumnIndex < Content.Columns) {
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| 244 | int rowIndex = virtualRowIndizes[e.RowIndex];
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[3335] | 245 | e.Value = Content.GetValue(rowIndex, e.ColumnIndex);
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[3337] | 246 | }
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[3312] | 247 | }
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| 248 | private void dataGridView_Scroll(object sender, ScrollEventArgs e) {
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| 249 | UpdateRowHeaders();
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| 250 | }
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| 251 | private void dataGridView_Resize(object sender, EventArgs e) {
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| 252 | UpdateRowHeaders();
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| 253 | }
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[3314] | 254 |
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[3643] | 255 | private void dataGridView_KeyDown(object sender, KeyEventArgs e) {
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| 256 | if (!ReadOnly && e.Control && e.KeyCode == Keys.V) { //shortcut for values paste
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| 257 | string[,] values = SplitClipboardString(Clipboard.GetText());
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| 258 |
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| 259 | int rowIndex = 0;
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| 260 | int columnIndex = 0;
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| 261 | if (dataGridView.CurrentCell != null) {
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| 262 | rowIndex = dataGridView.CurrentCell.RowIndex;
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| 263 | columnIndex = dataGridView.CurrentCell.ColumnIndex;
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| 264 | }
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| 265 |
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| 266 | for (int row = 0; row < values.GetLength(1); row++) {
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| 267 | if (row + rowIndex >= Content.Rows)
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| 268 | Content.Rows = Content.Rows + 1;
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| 269 | for (int col = 0; col < values.GetLength(0); col++) {
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| 270 | if (col + columnIndex >= Content.Columns)
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| 271 | Content.Columns = Content.Columns + 1;
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| 272 | Content.SetValue(values[col, row], row + rowIndex, col + columnIndex);
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| 273 | }
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| 274 | }
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| 275 |
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| 276 | ClearSorting();
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| 277 | }
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| 278 | }
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| 279 |
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| 280 | private string[,] SplitClipboardString(string clipboardText) {
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| 281 | clipboardText = clipboardText.Remove(clipboardText.Length - Environment.NewLine.Length); //remove last newline constant
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| 282 | string[,] values = null;
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| 283 | string[] lines = clipboardText.Split(new string[] { Environment.NewLine }, StringSplitOptions.None);
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| 284 | string[] cells;
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| 285 | for (int i = 0; i < lines.Length; i++) {
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| 286 | cells = lines[i].Split('\t');
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| 287 | if (values == null)
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| 288 | values = new string[cells.Length, lines.Length];
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| 289 | for (int j = 0; j < cells.Length; j++)
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| 290 | values[j, i] = string.IsNullOrEmpty(cells[j]) ? string.Empty : cells[j];
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| 291 | }
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| 292 | return values;
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| 293 | }
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| 294 |
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[3314] | 295 | private void dataGridView_ColumnHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e) {
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[3320] | 296 | if (Content != null) {
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| 297 | if (e.Button == MouseButtons.Left && Content.SortableView) {
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| 298 | bool addToSortedIndizes = (Control.ModifierKeys & Keys.Control) == Keys.Control;
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| 299 | SortOrder newSortOrder = SortOrder.Ascending;
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| 300 | if (sortedColumnIndizes.Any(x => x.Key == e.ColumnIndex)) {
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| 301 | SortOrder oldSortOrder = sortedColumnIndizes.Where(x => x.Key == e.ColumnIndex).First().Value;
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| 302 | int enumLength = Enum.GetValues(typeof(SortOrder)).Length;
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| 303 | newSortOrder = oldSortOrder = (SortOrder)Enum.Parse(typeof(SortOrder), ((((int)oldSortOrder) + 1) % enumLength).ToString());
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| 304 | }
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[3314] | 305 |
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[3320] | 306 | if (!addToSortedIndizes)
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| 307 | sortedColumnIndizes.Clear();
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[3314] | 308 |
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[3320] | 309 | if (sortedColumnIndizes.Any(x => x.Key == e.ColumnIndex)) {
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| 310 | int sortedIndex = sortedColumnIndizes.FindIndex(x => x.Key == e.ColumnIndex);
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| 311 | if (newSortOrder != SortOrder.None)
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| 312 | sortedColumnIndizes[sortedIndex] = new KeyValuePair<int, SortOrder>(e.ColumnIndex, newSortOrder);
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| 313 | else
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| 314 | sortedColumnIndizes.RemoveAt(sortedIndex);
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| 315 | } else
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| 316 | if (newSortOrder != SortOrder.None)
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| 317 | sortedColumnIndizes.Add(new KeyValuePair<int, SortOrder>(e.ColumnIndex, newSortOrder));
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| 318 | Sort();
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| 319 | } else if (e.Button == MouseButtons.Right) {
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| 320 | if (Content.ColumnNames.Count() != 0)
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| 321 | contextMenu.Show(MousePosition);
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| 322 | }
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[3314] | 323 | }
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| 324 | }
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| 325 |
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[3643] | 326 | protected void ClearSorting() {
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| 327 | virtualRowIndizes = Enumerable.Range(0, Content.Rows).ToArray();
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| 328 | sortedColumnIndizes.Clear();
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| 329 | UpdateSortGlyph();
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| 330 | }
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| 331 |
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[3314] | 332 | private void Sort() {
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[3444] | 333 | virtualRowIndizes = Sort(sortedColumnIndizes);
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| 334 | UpdateSortGlyph();
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[3546] | 335 | UpdateRowHeaders();
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[3444] | 336 | dataGridView.Invalidate();
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| 337 | }
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| 338 | protected virtual int[] Sort(IEnumerable<KeyValuePair<int, SortOrder>> sortedColumns) {
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[3328] | 339 | int[] newSortedIndex = Enumerable.Range(0, Content.Rows).ToArray();
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[3444] | 340 | if (sortedColumns.Count() != 0) {
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| 341 | rowComparer.SortedIndizes = sortedColumns;
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[3346] | 342 | rowComparer.Matrix = Content;
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[3314] | 343 | Array.Sort(newSortedIndex, rowComparer);
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| 344 | }
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[3444] | 345 | return newSortedIndex;
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[3328] | 346 | }
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| 347 | private void UpdateSortGlyph() {
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[3314] | 348 | foreach (DataGridViewColumn col in this.dataGridView.Columns)
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| 349 | col.HeaderCell.SortGlyphDirection = SortOrder.None;
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| 350 | foreach (KeyValuePair<int, SortOrder> p in sortedColumnIndizes)
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| 351 | this.dataGridView.Columns[p.Key].HeaderCell.SortGlyphDirection = p.Value;
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| 352 | }
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[2677] | 353 | #endregion
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[3312] | 354 |
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[3346] | 355 | public class RowComparer : IComparer<int> {
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[3314] | 356 | public RowComparer() {
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| 357 | }
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[3312] | 358 |
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[3346] | 359 | private List<KeyValuePair<int, SortOrder>> sortedIndizes;
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| 360 | public IEnumerable<KeyValuePair<int, SortOrder>> SortedIndizes {
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| 361 | get { return this.sortedIndizes; }
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| 362 | set { sortedIndizes = new List<KeyValuePair<int, SortOrder>>(value); }
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| 363 | }
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| 364 | private IStringConvertibleMatrix matrix;
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| 365 | public IStringConvertibleMatrix Matrix {
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| 366 | get { return this.matrix; }
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| 367 | set { this.matrix = value; }
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| 368 | }
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| 369 |
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[3314] | 370 | public int Compare(int x, int y) {
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| 371 | int result = 0;
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| 372 | double double1, double2;
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| 373 | DateTime dateTime1, dateTime2;
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[3444] | 374 | TimeSpan timeSpan1, timeSpan2;
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[3314] | 375 | string string1, string2;
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| 376 |
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[3346] | 377 | if (matrix == null)
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| 378 | throw new InvalidOperationException("Could not sort IStringConvertibleMatrix if the matrix member is null.");
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| 379 | if (sortedIndizes == null)
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| 380 | return 0;
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| 381 |
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| 382 | foreach (KeyValuePair<int, SortOrder> pair in sortedIndizes.Where(p => p.Value != SortOrder.None)) {
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[3350] | 383 | string1 = matrix.GetValue(x, pair.Key);
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| 384 | string2 = matrix.GetValue(y, pair.Key);
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| 385 | if (double.TryParse(string1, out double1) && double.TryParse(string2, out double2))
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| 386 | result = double1.CompareTo(double2);
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| 387 | else if (DateTime.TryParse(string1, out dateTime1) && DateTime.TryParse(string2, out dateTime2))
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| 388 | result = dateTime1.CompareTo(dateTime2);
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[3444] | 389 | else if (TimeSpan.TryParse(string1, out timeSpan1) && TimeSpan.TryParse(string2, out timeSpan2))
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| 390 | result = timeSpan1.CompareTo(timeSpan2);
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[3350] | 391 | else {
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| 392 | if (string1 != null)
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| 393 | result = string1.CompareTo(string2);
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| 394 | else if (string2 != null)
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| 395 | result = string2.CompareTo(string1) * -1;
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| 396 | }
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| 397 | if (pair.Value == SortOrder.Descending)
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| 398 | result *= -1;
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| 399 | if (result != 0)
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| 400 | return result;
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[3314] | 401 | }
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| 402 | return result;
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| 403 | }
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| 404 | }
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[3316] | 405 |
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| 406 | private void ShowHideColumns_Click(object sender, EventArgs e) {
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| 407 | new ColumnsVisibilityDialog(this.dataGridView.Columns.Cast<DataGridViewColumn>()).ShowDialog();
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| 408 | }
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[2669] | 409 | }
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| 410 | }
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