[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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[3048] | 55 | Caption = "StringConvertibleMatrix View";
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[2677] | 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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[3314] | 60 | sortedColumnIndizes = new List<KeyValuePair<int, SortOrder>>();
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| 61 | rowComparer = new RowComparer();
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[2669] | 62 | }
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[3048] | 63 | public StringConvertibleMatrixView(IStringConvertibleMatrix content)
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[2669] | 64 | : this() {
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[2727] | 65 | Content = content;
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[2669] | 66 | }
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| 67 |
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[2713] | 68 | protected override void DeregisterContentEvents() {
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| 69 | Content.ItemChanged -= new EventHandler<EventArgs<int, int>>(Content_ItemChanged);
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| 70 | Content.Reset -= new EventHandler(Content_Reset);
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[3320] | 71 | Content.ColumnNamesChanged -= new EventHandler(Content_ColumnNamesChanged);
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| 72 | Content.RowNamesChanged -= new EventHandler(Content_RowNamesChanged);
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[2713] | 73 | base.DeregisterContentEvents();
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[2669] | 74 | }
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[2713] | 75 | protected override void RegisterContentEvents() {
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| 76 | base.RegisterContentEvents();
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| 77 | Content.ItemChanged += new EventHandler<EventArgs<int, int>>(Content_ItemChanged);
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| 78 | Content.Reset += new EventHandler(Content_Reset);
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[3320] | 79 | Content.ColumnNamesChanged += new EventHandler(Content_ColumnNamesChanged);
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| 80 | Content.RowNamesChanged += new EventHandler(Content_RowNamesChanged);
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[2669] | 81 | }
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| 82 |
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[2713] | 83 | protected override void OnContentChanged() {
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| 84 | base.OnContentChanged();
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| 85 | if (Content == null) {
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[3048] | 86 | Caption = "StringConvertibleMatrix View";
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[2677] | 87 | rowsTextBox.Text = "";
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| 88 | columnsTextBox.Text = "";
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[2669] | 89 | dataGridView.Rows.Clear();
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[2677] | 90 | dataGridView.Columns.Clear();
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[3324] | 91 | virtualRowIndizes = new int[0];
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[2669] | 92 | } else {
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[3048] | 93 | Caption = "StringConvertibleMatrix (" + Content.GetType().Name + ")";
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[2713] | 94 | UpdateData();
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[2669] | 95 | }
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[3362] | 96 | SetEnabledStateOfControls();
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[2669] | 97 | }
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[3350] | 98 | protected override void OnReadOnlyChanged() {
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| 99 | base.OnReadOnlyChanged();
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[3362] | 100 | SetEnabledStateOfControls();
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[3350] | 101 | }
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[3362] | 102 | private void SetEnabledStateOfControls() {
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[3350] | 103 | if (Content == null) {
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| 104 | rowsTextBox.Enabled = false;
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| 105 | columnsTextBox.Enabled = false;
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| 106 | dataGridView.Enabled = false;
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| 107 | } else {
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| 108 | rowsTextBox.Enabled = true;
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| 109 | columnsTextBox.Enabled = true;
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| 110 | dataGridView.Enabled = true;
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| 111 | rowsTextBox.ReadOnly = ReadOnly;
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| 112 | columnsTextBox.ReadOnly = ReadOnly;
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| 113 | dataGridView.ReadOnly = ReadOnly;
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| 114 | }
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| 115 | }
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[2669] | 116 |
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[2713] | 117 | private void UpdateData() {
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[3328] | 118 | sortedColumnIndizes.Clear();
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| 119 | Sort();
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[2713] | 120 | rowsTextBox.Text = Content.Rows.ToString();
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[2973] | 121 | rowsTextBox.Enabled = true;
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[2713] | 122 | columnsTextBox.Text = Content.Columns.ToString();
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[2973] | 123 | columnsTextBox.Enabled = true;
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[3324] | 124 | virtualRowIndizes = Enumerable.Range(0, Content.Rows).ToArray();
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[3335] | 125 | //DataGridViews with Rows but no columns are not allowed !
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[3431] | 126 | if (Content.Rows == 0 && dataGridView.RowCount != Content.Rows && !Content.ReadOnly)
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[3335] | 127 | Content.Rows = dataGridView.RowCount;
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| 128 | else
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| 129 | dataGridView.RowCount = Content.Rows;
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[3431] | 130 | if (Content.Columns == 0 && dataGridView.ColumnCount != Content.Columns && !Content.ReadOnly)
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[3335] | 131 | Content.Columns = dataGridView.ColumnCount;
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| 132 | else
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| 133 | dataGridView.ColumnCount = Content.Columns;
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[3346] | 134 |
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[3328] | 135 | UpdateRowHeaders();
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| 136 | UpdateColumnHeaders();
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[3346] | 137 | dataGridView.AutoResizeColumns(DataGridViewAutoSizeColumnsMode.ColumnHeader);
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| 138 | dataGridView.AutoResizeRowHeadersWidth(DataGridViewRowHeadersWidthSizeMode.AutoSizeToDisplayedHeaders);
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[2669] | 139 | dataGridView.Enabled = true;
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| 140 | }
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| 141 |
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[3312] | 142 | private void UpdateColumnHeaders() {
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| 143 | for (int i = 0; i < Content.Columns; i++) {
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| 144 | if (Content.ColumnNames.Count() != 0)
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| 145 | dataGridView.Columns[i].HeaderText = Content.ColumnNames.ElementAt(i);
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| 146 | else
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[3346] | 147 | dataGridView.Columns[i].HeaderText = "Column " + (i + 1);
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[3312] | 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 UpdateRowHeaders() {
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| 153 | for (int i = dataGridView.FirstDisplayedScrollingRowIndex; i < dataGridView.FirstDisplayedScrollingRowIndex + dataGridView.DisplayedRowCount(true); i++) {
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| 154 | if (Content.RowNames.Count() != 0)
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| 155 | dataGridView.Rows[i].HeaderCell.Value = Content.RowNames.ElementAt(i);
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[3314] | 156 | else
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[3346] | 157 | dataGridView.Rows[i].HeaderCell.Value = "Row " + (i + 1);
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[3312] | 158 | }
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| 159 | dataGridView.Invalidate();
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| 160 | }
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| 161 |
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[3320] | 162 | private void Content_RowNamesChanged(object sender, EventArgs e) {
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[3328] | 163 | if (InvokeRequired)
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| 164 | Invoke(new EventHandler(Content_RowNamesChanged), sender, e);
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| 165 | else
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| 166 | UpdateRowHeaders();
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[3320] | 167 | }
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| 168 | private void Content_ColumnNamesChanged(object sender, EventArgs e) {
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[3328] | 169 | if (InvokeRequired)
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| 170 | Invoke(new EventHandler(Content_ColumnNamesChanged), sender, e);
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| 171 | else
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| 172 | UpdateColumnHeaders();
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[3320] | 173 | }
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[2713] | 174 | private void Content_ItemChanged(object sender, EventArgs<int, int> e) {
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[2669] | 175 | if (InvokeRequired)
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[2713] | 176 | Invoke(new EventHandler<EventArgs<int, int>>(Content_ItemChanged), sender, e);
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[3328] | 177 | else
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[3335] | 178 | dataGridView.InvalidateCell(e.Value2, e.Value);
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[2669] | 179 | }
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[2713] | 180 | private void Content_Reset(object sender, EventArgs e) {
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[2669] | 181 | if (InvokeRequired)
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[2713] | 182 | Invoke(new EventHandler(Content_Reset), sender, e);
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[2669] | 183 | else
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[2713] | 184 | UpdateData();
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[2669] | 185 | }
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| 186 |
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[2677] | 187 | #region TextBox Events
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| 188 | private void rowsTextBox_Validating(object sender, CancelEventArgs e) {
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[2669] | 189 | int i = 0;
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[3335] | 190 | if (!int.TryParse(rowsTextBox.Text, out i) || (i <= 0)) {
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[2676] | 191 | e.Cancel = true;
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[3335] | 192 | errorProvider.SetError(rowsTextBox, "Invalid Number of Rows (Valid values are positive integers larger than 0)");
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[2677] | 193 | rowsTextBox.SelectAll();
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[2669] | 194 | }
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| 195 | }
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[2677] | 196 | private void rowsTextBox_Validated(object sender, EventArgs e) {
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[3430] | 197 | if (!Content.ReadOnly) Content.Rows = int.Parse(rowsTextBox.Text);
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[2677] | 198 | errorProvider.SetError(rowsTextBox, string.Empty);
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[2669] | 199 | }
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[2677] | 200 | private void rowsTextBox_KeyDown(object sender, KeyEventArgs e) {
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[2669] | 201 | if (e.KeyCode == Keys.Enter || e.KeyCode == Keys.Return)
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[2677] | 202 | rowsLabel.Focus(); // set focus on label to validate data
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[2676] | 203 | if (e.KeyCode == Keys.Escape) {
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[2973] | 204 | rowsTextBox.Text = Content.Rows.ToString();
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[2677] | 205 | rowsLabel.Focus(); // set focus on label to validate data
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[2676] | 206 | }
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[2669] | 207 | }
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[2677] | 208 | private void columnsTextBox_Validating(object sender, CancelEventArgs e) {
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| 209 | int i = 0;
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[3335] | 210 | if (!int.TryParse(columnsTextBox.Text, out i) || (i <= 0)) {
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[2677] | 211 | e.Cancel = true;
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[3335] | 212 | errorProvider.SetError(columnsTextBox, "Invalid Number of Columns (Valid values are positive integers larger than 0)");
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[2677] | 213 | columnsTextBox.SelectAll();
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| 214 | }
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| 215 | }
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| 216 | private void columnsTextBox_Validated(object sender, EventArgs e) {
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[3430] | 217 | if (!Content.ReadOnly) Content.Columns = int.Parse(columnsTextBox.Text);
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[2677] | 218 | errorProvider.SetError(columnsTextBox, string.Empty);
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| 219 | }
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| 220 | private void columnsTextBox_KeyDown(object sender, KeyEventArgs e) {
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| 221 | if (e.KeyCode == Keys.Enter || e.KeyCode == Keys.Return)
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| 222 | columnsLabel.Focus(); // set focus on label to validate data
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| 223 | if (e.KeyCode == Keys.Escape) {
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[2713] | 224 | columnsTextBox.Text = Content.Columns.ToString();
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[2677] | 225 | columnsLabel.Focus(); // set focus on label to validate data
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| 226 | }
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| 227 | }
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| 228 | #endregion
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| 229 |
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| 230 | #region DataGridView Events
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[2669] | 231 | private void dataGridView_CellValidating(object sender, DataGridViewCellValidatingEventArgs e) {
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[3328] | 232 | if (!dataGridView.ReadOnly) {
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| 233 | string errorMessage;
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| 234 | if (!Content.Validate(e.FormattedValue.ToString(), out errorMessage)) {
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| 235 | e.Cancel = true;
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| 236 | dataGridView.Rows[e.RowIndex].ErrorText = errorMessage;
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| 237 | }
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[2676] | 238 | }
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[2669] | 239 | }
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[2676] | 240 | private void dataGridView_CellParsing(object sender, DataGridViewCellParsingEventArgs e) {
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[3328] | 241 | if (!dataGridView.ReadOnly) {
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| 242 | string value = e.Value.ToString();
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| 243 | int rowIndex = virtualRowIndizes[e.RowIndex];
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| 244 | e.ParsingApplied = Content.SetValue(value, rowIndex, e.ColumnIndex);
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| 245 | if (e.ParsingApplied) e.Value = Content.GetValue(rowIndex, e.ColumnIndex);
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| 246 | }
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[2669] | 247 | }
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[2676] | 248 | private void dataGridView_CellEndEdit(object sender, DataGridViewCellEventArgs e) {
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| 249 | dataGridView.Rows[e.RowIndex].ErrorText = string.Empty;
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| 250 | }
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[3312] | 251 | private void dataGridView_CellValueNeeded(object sender, DataGridViewCellValueEventArgs e) {
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[3337] | 252 | if (e.RowIndex < Content.Rows && e.ColumnIndex < Content.Columns) {
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| 253 | int rowIndex = virtualRowIndizes[e.RowIndex];
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[3335] | 254 | e.Value = Content.GetValue(rowIndex, e.ColumnIndex);
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[3337] | 255 | }
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[3312] | 256 | }
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| 257 | private void dataGridView_Scroll(object sender, ScrollEventArgs e) {
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| 258 | UpdateRowHeaders();
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| 259 | }
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| 260 | private void dataGridView_Resize(object sender, EventArgs e) {
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| 261 | UpdateRowHeaders();
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| 262 | }
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[3314] | 263 |
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| 264 | private void dataGridView_ColumnHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e) {
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[3320] | 265 | if (Content != null) {
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| 266 | if (e.Button == MouseButtons.Left && Content.SortableView) {
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| 267 | bool addToSortedIndizes = (Control.ModifierKeys & Keys.Control) == Keys.Control;
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| 268 | SortOrder newSortOrder = SortOrder.Ascending;
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| 269 | if (sortedColumnIndizes.Any(x => x.Key == e.ColumnIndex)) {
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| 270 | SortOrder oldSortOrder = sortedColumnIndizes.Where(x => x.Key == e.ColumnIndex).First().Value;
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| 271 | int enumLength = Enum.GetValues(typeof(SortOrder)).Length;
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| 272 | newSortOrder = oldSortOrder = (SortOrder)Enum.Parse(typeof(SortOrder), ((((int)oldSortOrder) + 1) % enumLength).ToString());
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| 273 | }
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[3314] | 274 |
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[3320] | 275 | if (!addToSortedIndizes)
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| 276 | sortedColumnIndizes.Clear();
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[3314] | 277 |
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[3320] | 278 | if (sortedColumnIndizes.Any(x => x.Key == e.ColumnIndex)) {
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| 279 | int sortedIndex = sortedColumnIndizes.FindIndex(x => x.Key == e.ColumnIndex);
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| 280 | if (newSortOrder != SortOrder.None)
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| 281 | sortedColumnIndizes[sortedIndex] = new KeyValuePair<int, SortOrder>(e.ColumnIndex, newSortOrder);
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| 282 | else
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| 283 | sortedColumnIndizes.RemoveAt(sortedIndex);
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| 284 | } else
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| 285 | if (newSortOrder != SortOrder.None)
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| 286 | sortedColumnIndizes.Add(new KeyValuePair<int, SortOrder>(e.ColumnIndex, newSortOrder));
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| 287 | Sort();
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| 288 | } else if (e.Button == MouseButtons.Right) {
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| 289 | if (Content.ColumnNames.Count() != 0)
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| 290 | contextMenu.Show(MousePosition);
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| 291 | }
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[3314] | 292 | }
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| 293 | }
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| 294 |
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| 295 | private void Sort() {
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[3444] | 296 | virtualRowIndizes = Sort(sortedColumnIndizes);
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| 297 | UpdateSortGlyph();
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| 298 | dataGridView.Invalidate();
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| 299 | }
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| 300 | protected virtual int[] Sort(IEnumerable<KeyValuePair<int, SortOrder>> sortedColumns) {
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[3328] | 301 | int[] newSortedIndex = Enumerable.Range(0, Content.Rows).ToArray();
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[3444] | 302 | if (sortedColumns.Count() != 0) {
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| 303 | rowComparer.SortedIndizes = sortedColumns;
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[3346] | 304 | rowComparer.Matrix = Content;
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[3314] | 305 | Array.Sort(newSortedIndex, rowComparer);
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| 306 | }
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[3444] | 307 | return newSortedIndex;
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[3328] | 308 | }
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| 309 | private void UpdateSortGlyph() {
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[3314] | 310 | foreach (DataGridViewColumn col in this.dataGridView.Columns)
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| 311 | col.HeaderCell.SortGlyphDirection = SortOrder.None;
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| 312 | foreach (KeyValuePair<int, SortOrder> p in sortedColumnIndizes)
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| 313 | this.dataGridView.Columns[p.Key].HeaderCell.SortGlyphDirection = p.Value;
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| 314 | }
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[2677] | 315 | #endregion
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[3312] | 316 |
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[3346] | 317 | public class RowComparer : IComparer<int> {
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[3314] | 318 | public RowComparer() {
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| 319 | }
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[3312] | 320 |
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[3346] | 321 | private List<KeyValuePair<int, SortOrder>> sortedIndizes;
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| 322 | public IEnumerable<KeyValuePair<int, SortOrder>> SortedIndizes {
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| 323 | get { return this.sortedIndizes; }
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| 324 | set { sortedIndizes = new List<KeyValuePair<int, SortOrder>>(value); }
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| 325 | }
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| 326 | private IStringConvertibleMatrix matrix;
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| 327 | public IStringConvertibleMatrix Matrix {
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| 328 | get { return this.matrix; }
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| 329 | set { this.matrix = value; }
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| 330 | }
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| 331 |
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[3314] | 332 | public int Compare(int x, int y) {
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| 333 | int result = 0;
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| 334 | double double1, double2;
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| 335 | DateTime dateTime1, dateTime2;
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[3444] | 336 | TimeSpan timeSpan1, timeSpan2;
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[3314] | 337 | string string1, string2;
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| 338 |
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[3346] | 339 | if (matrix == null)
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| 340 | throw new InvalidOperationException("Could not sort IStringConvertibleMatrix if the matrix member is null.");
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| 341 | if (sortedIndizes == null)
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| 342 | return 0;
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| 343 |
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| 344 | foreach (KeyValuePair<int, SortOrder> pair in sortedIndizes.Where(p => p.Value != SortOrder.None)) {
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[3350] | 345 | string1 = matrix.GetValue(x, pair.Key);
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| 346 | string2 = matrix.GetValue(y, pair.Key);
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| 347 | if (double.TryParse(string1, out double1) && double.TryParse(string2, out double2))
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| 348 | result = double1.CompareTo(double2);
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| 349 | else if (DateTime.TryParse(string1, out dateTime1) && DateTime.TryParse(string2, out dateTime2))
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| 350 | result = dateTime1.CompareTo(dateTime2);
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[3444] | 351 | else if (TimeSpan.TryParse(string1, out timeSpan1) && TimeSpan.TryParse(string2, out timeSpan2))
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| 352 | result = timeSpan1.CompareTo(timeSpan2);
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[3350] | 353 | else {
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| 354 | if (string1 != null)
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| 355 | result = string1.CompareTo(string2);
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| 356 | else if (string2 != null)
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| 357 | result = string2.CompareTo(string1) * -1;
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| 358 | }
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| 359 | if (pair.Value == SortOrder.Descending)
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| 360 | result *= -1;
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| 361 | if (result != 0)
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| 362 | return result;
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[3314] | 363 | }
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| 364 | return result;
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| 365 | }
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| 366 | }
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[3316] | 367 |
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| 368 | private void ShowHideColumns_Click(object sender, EventArgs e) {
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| 369 | new ColumnsVisibilityDialog(this.dataGridView.Columns.Cast<DataGridViewColumn>()).ShowDialog();
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| 370 | }
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[2669] | 371 | }
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| 372 | }
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