[6134] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[7267] | 3 | * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[6134] | 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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[6133] | 23 | using System.Collections.Generic;
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| 24 | using System.ComponentModel;
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| 25 | using System.Drawing;
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| 26 | using System.Data;
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| 27 | using System.Linq;
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| 28 | using System.Text;
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| 29 | using System.Windows.Forms;
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| 30 | using HeuristicLab.DataImporter.Data.Model;
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| 31 | using HeuristicLab.DataImporter.Data.Command;
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| 32 |
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| 33 |
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| 34 | namespace HeuristicLab.DataImporter.Data.View {
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| 35 | public delegate void ColumnGroupActivatedEventHandler(object sender, bool addToActiveColumnGroups);
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| 36 | public partial class ColumnGroupView : UserControl {
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| 37 |
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| 38 | private TextBox txtColumnName;
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| 39 | private ColumnGroupView()
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| 40 | : base() {
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| 41 | InitializeComponent();
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| 42 | txtColumnName = new TextBox();
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| 43 | this.splitContainer1.Panel2.Controls.Add(txtColumnName);
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| 44 | txtColumnName.Visible = false;
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| 45 | txtColumnName.Leave += new EventHandler(txtColumnName_Leave);
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| 46 | txtColumnName.KeyDown += new KeyEventHandler(txtColumnName_KeyDown);
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| 47 |
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| 48 | this.dataGridView.EnableHeadersVisualStyles = false;
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| 49 | this.dataGridView.Dock = DockStyle.Top | DockStyle.Bottom;
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| 50 | this.dataGridView.VirtualMode = true;
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[6707] | 51 | this.dataGridView.ShowCellToolTips = false;
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[6133] | 52 |
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| 53 | this.dataGridView.ColumnHeaderMouseClick += new DataGridViewCellMouseEventHandler(dataGridView_ColumnHeaderMouseClick);
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| 54 | this.dataGridView.ColumnHeaderMouseDoubleClick += new DataGridViewCellMouseEventHandler(dataGridView_ColumnHeaderMouseDoubleClick);
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| 55 | this.dataGridView.ColumnWidthChanged += new DataGridViewColumnEventHandler(dataGridView_ColumnWidthChanged);
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| 56 | this.dataGridView.MouseClick += new MouseEventHandler(dataGridView_MouseClick);
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| 57 | this.dataGridView.SelectionChanged += new EventHandler(dataGridView_SelectionChanged);
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| 58 | this.dataGridView.AllowUserToOrderColumnsChanged += new EventHandler(dataGridView_AllowUserToOrderColumnsChanged);
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| 59 | this.dataGridView.KeyDown += new KeyEventHandler(dataGridView_KeyDown);
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| 60 | this.dataGridView.Scroll += new ScrollEventHandler(dataGridView_Scroll);
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| 61 | this.dataGridView.Resize += new EventHandler(dataGridView_Resize);
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| 62 | this.dataGridView.RowHeadersWidthChanged += new EventHandler(dataGridView_RowHeadersWidthChanged);
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[6707] | 63 | this.dataGridView.CellMouseEnter += new DataGridViewCellEventHandler(dataGridView_CellMouseEnter);
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[6133] | 64 |
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| 65 | //delegates for virtual mode
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| 66 | this.dataGridView.CellValueNeeded += new DataGridViewCellValueEventHandler(dataGridView_CellValueNeeded);
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| 67 | this.dataGridView.CellValuePushed += new DataGridViewCellValueEventHandler(dataGridView_CellValuePushed);
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| 68 | this.dataGridView.UserDeletingRow += new DataGridViewRowCancelEventHandler(dataGridView_UserDeletingRow);
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| 69 | }
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| 70 |
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| 71 | private ColumnGroupView(ColumnGroup columnGroup)
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| 72 | : this() {
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| 73 | this.ColumnGroup = columnGroup;
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| 74 | this.ColumnGroup.Changed += this.ColumnGroupChanged;
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| 75 | this.dataGridView.ClearSelection();
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| 76 | this.state = ColumnGroupState.None;
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| 77 | this.UpdateDataGridView();
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| 78 | }
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| 79 |
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| 80 | public ColumnGroupView(ColumnGroup columnGroup, CommandChain commandChain)
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| 81 | : this(columnGroup) {
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| 82 | this.commandChain = commandChain;
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| 83 | }
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| 84 |
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| 85 | public bool ColumnGroupActive {
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| 86 | get { return this.ColumnGroup.Active; }
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| 87 | set {
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| 88 | this.ColumnGroup.Active = value;
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| 89 | if (this.ColumnGroup.Active)
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| 90 | this.txtColumnGroupName.BackColor = Color.LightGreen;
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| 91 | else {
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| 92 | this.dataGridView.ClearSelection();
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| 93 | this.txtColumnGroupName.BackColor = Control.DefaultBackColor;
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| 94 | }
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| 95 | UpdateStateInformation();
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| 96 | }
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| 97 | }
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| 98 |
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| 99 | private ColumnGroup columnGroup;
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| 100 | public ColumnGroup ColumnGroup {
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| 101 | get { return (ColumnGroup)this.columnGroup; }
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| 102 | private set { this.columnGroup = value; }
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| 103 | }
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| 104 |
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| 105 | private Data.Model.DataSet DataSet {
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| 106 | get { return ((DataSetView)this.Parent).DataSet; }
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| 107 | }
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| 108 |
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| 109 | private CommandChain commandChain;
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| 110 | public CommandChain CommandChain {
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| 111 | get { return this.commandChain; }
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| 112 | set { this.commandChain = value; }
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| 113 | }
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| 114 |
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| 115 | public bool AllowReorderColumns {
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| 116 | get { return this.dataGridView.AllowUserToOrderColumns; }
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| 117 | set { this.dataGridView.AllowUserToOrderColumns = value; }
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| 118 | }
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| 119 |
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| 120 | public int[] DisplayIndexes {
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| 121 | get {
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| 122 | int[] ret = new int[this.ColumnGroup.Columns.Count()];
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| 123 | for (int i = 0; i < this.dataGridView.Columns.Count; i++) {
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| 124 | ret[dataGridView.Columns[i].DisplayIndex] = i;
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| 125 | }
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| 126 | return ret;
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| 127 | }
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| 128 | }
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| 129 |
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| 130 | public int MaxWidth {
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| 131 | get { return this.MaximumSize.Width; }
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| 132 | set {
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| 133 | this.MaximumSize = new Size(value, this.MaximumSize.Height);
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| 134 | this.dataGridView.MaximumSize = new Size(value, this.MaximumSize.Height);
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| 135 | RecalculateWidthOfControl();
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| 136 | }
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| 137 | }
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| 138 |
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| 139 | //IMPORTANT: use the defined property to change the state, because the event StateChanged must be fired!
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| 140 | private ColumnGroupState state;
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| 141 | public ColumnGroupState State {
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| 142 | get { return this.state; }
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| 143 | protected set {
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| 144 | this.state = value;
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| 145 | FireStateChanged();
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| 146 | }
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| 147 | }
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| 148 |
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| 149 | public event EventHandler StateChanged;
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| 150 | protected void FireStateChanged() {
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| 151 | OnStateChanged();
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| 152 | }
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| 153 |
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| 154 | protected virtual void OnStateChanged() {
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| 155 | if (StateChanged != null) {
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| 156 | StateChanged(this, new EventArgs());
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| 157 | }
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| 158 | }
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| 159 |
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| 160 | public event ColumnGroupActivatedEventHandler Activated;
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| 161 | public void FireActivated(bool addToActiveColumnGroups) {
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| 162 | OnActivated(addToActiveColumnGroups);
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| 163 | }
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| 164 |
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| 165 | protected virtual void OnActivated(bool addToActiveColumnGroups) {
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| 166 | if (Activated != null) {
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| 167 | Activated(this, addToActiveColumnGroups);
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| 168 | }
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| 169 | }
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| 170 |
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| 171 | private void UpdateStateInformation() {
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| 172 | this.UpdateStateInformation(false);
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| 173 | }
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| 174 |
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| 175 | private void UpdateStateInformation(bool selectionChanged) {
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| 176 | ColumnGroupState newState = this.ColumnGroupActive ? ColumnGroupState.Active : ColumnGroupState.None;
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| 177 | foreach (ColumnBase col in ColumnGroup.SelectedColumns) {
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| 178 | if (col is DoubleColumn)
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| 179 | newState |= ColumnGroupState.DoubleColumnSelected;
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| 180 | else if (col is StringColumn)
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| 181 | newState |= ColumnGroupState.StringColumnSelected;
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| 182 | else if (col is DateTimeColumn)
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| 183 | newState |= ColumnGroupState.DateTimeColumnSelected;
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| 184 | else if (col is ProgrammableColumn)
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| 185 | newState |= ColumnGroupState.ProgrammableColumnSelected;
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| 186 | if (col.ContainsNullValues)
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| 187 | newState |= ColumnGroupState.AnySelectedColumnContainsNull;
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| 188 | }
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| 189 | if (ColumnGroup.Sorted) {
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| 190 | if (ColumnGroup.SelectedColumns.Any(col => col.SortOrder == SortOrder.None))
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| 191 | newState |= ColumnGroupState.AnySelectedColumnNotSorted;
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| 192 | else
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| 193 | newState |= ColumnGroupState.Sorted;
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| 194 | }
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| 195 | if (newState != this.State || selectionChanged)
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| 196 | this.State = newState;
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| 197 | }
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| 198 |
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| 199 | private void PasteClipboardContent() {
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| 200 | if (dataGridView.CurrentCell != null) {
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| 201 | string values = Clipboard.GetText();
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| 202 | values = values.Remove(values.Length - Environment.NewLine.Length);
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| 203 | this.commandChain.Add(new PasteValuesCommand(DataSet, this.ColumnGroup.Name, dataGridView.CurrentCell.ColumnIndex,
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| 204 | dataGridView.CurrentCell.RowIndex, values));
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| 205 | }
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| 206 | }
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| 207 |
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| 208 | private void CopyClipboardContent() {
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| 209 | if (dataGridView.SelectedCells.Count != 0) {
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| 210 | StringBuilder s = new StringBuilder();
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| 211 | DataGridViewCell cell;
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| 212 | int minRowIndex = dataGridView.SelectedCells[0].RowIndex;
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| 213 | int maxRowIndex = dataGridView.SelectedCells[dataGridView.SelectedCells.Count - 1].RowIndex;
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| 214 | int minColIndex = dataGridView.SelectedCells[0].ColumnIndex;
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| 215 | int maxColIndex = dataGridView.SelectedCells[dataGridView.SelectedCells.Count - 1].ColumnIndex;
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| 216 |
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| 217 | if (minRowIndex > maxRowIndex) {
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| 218 | int temp = minRowIndex;
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| 219 | minRowIndex = maxRowIndex;
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| 220 | maxRowIndex = temp;
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| 221 | }
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| 222 |
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| 223 | if (minColIndex > maxColIndex) {
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| 224 | int temp = minColIndex;
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| 225 | minColIndex = maxColIndex;
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| 226 | maxColIndex = temp;
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| 227 | }
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| 228 | if (maxRowIndex == dataGridView.RowCount - 1)
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| 229 | maxRowIndex--;
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| 230 |
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| 231 | for (int i = minRowIndex; i < maxRowIndex + 1; i++) {
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| 232 | for (int j = minColIndex; j < maxColIndex + 1; j++) {
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| 233 | cell = dataGridView[j, i];
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| 234 | if (cell.Selected) {
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| 235 | if (cell.Value != null)
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| 236 | s.Append(cell.Value.ToString());
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| 237 | }
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| 238 | if (j != maxColIndex)
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| 239 | s.Append("\t");
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| 240 | }
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| 241 | s.Append(Environment.NewLine);
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| 242 | }
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| 243 | Clipboard.SetText(s.ToString());
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| 244 | }
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| 245 | }
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| 246 |
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| 247 | public override void Refresh() {
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| 248 | base.Refresh();
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| 249 | if (ColumnGroup != null) {
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| 250 | this.UpdateDataGridView();
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| 251 | } else {
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| 252 | dataGridView.ColumnCount = 0;
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| 253 | dataGridView.RowCount = 0;
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| 254 | }
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| 255 | }
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| 256 |
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| 257 | public void ColumnGroupChanged(object sender, EventArgs e) {
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| 258 | this.UpdateDataGridView();
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| 259 | }
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| 260 |
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| 261 | private void UpdateDataGridView() {
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| 262 | int firstVisibleRowIndex = 0;
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| 263 | int firstVisibleColIndex = 0;
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| 264 | if (dataGridView.FirstDisplayedCell != null) {
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| 265 | if (firstVisibleColIndex < ColumnGroup.Columns.Count())
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| 266 | firstVisibleColIndex = dataGridView.FirstDisplayedCell.ColumnIndex;
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| 267 | if (firstVisibleRowIndex < ColumnGroup.RowCount)
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| 268 | firstVisibleRowIndex = dataGridView.FirstDisplayedCell.RowIndex;
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| 269 | }
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| 270 |
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| 271 | //needed because otherwise columns could not be added
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| 272 | this.dataGridView.SelectionMode = DataGridViewSelectionMode.RowHeaderSelect;
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| 273 | if (dataGridView.ColumnCount != ColumnGroup.Columns.Count()) {
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| 274 | this.dataGridView.ColumnCount = ColumnGroup.Columns.Count();
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| 275 | for (int i = 0; i < ColumnGroup.Columns.Count(); i++) {
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| 276 | dataGridView.Columns[i].SortMode = DataGridViewColumnSortMode.Programmatic;
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| 277 | }
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| 278 | }
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| 279 | for (int i = 0; i < ColumnGroup.Columns.Count(); i++)
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| 280 | dataGridView.Columns[i].HeaderText = ColumnGroup.Columns.ElementAt(i).ToString().Insert(ColumnGroup.Columns.ElementAt(i).ToString().IndexOf('<'), "\n");
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| 281 |
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| 282 | // needed for performance reasons; further information at http://whiletrue.nl/blog/?p=38
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| 283 | if (dataGridView.RowCount != ColumnGroup.RowCount + (ColumnGroup.Columns.Count() == 0 ? 0 : 1)) {
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| 284 | //event handler must be deregistered cause otherwise cellvaluepushed is fired again
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| 285 | this.dataGridView.CellValuePushed -= new DataGridViewCellValueEventHandler(dataGridView_CellValuePushed);
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| 286 | if (Math.Abs(dataGridView.RowCount - ColumnGroup.RowCount) > 10)
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| 287 | dataGridView.Rows.Clear();
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| 288 | bool rowAdded = false;
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| 289 | //new row added - dataGridView has always one row more because of the last empty row for inserting new rows
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| 290 | if (dataGridView.RowCount == ColumnGroup.RowCount && dataGridView.RowCount != 0)
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| 291 | rowAdded = true;
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| 292 |
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| 293 | dataGridView.RowCount = ColumnGroup.RowCount + (ColumnGroup.Columns.Count() == 0 ? 0 : 1);
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| 294 |
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| 295 | if (rowAdded) {
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| 296 | Point p = this.dataGridView.CurrentCellAddress;
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| 297 | p.Y += 1;
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| 298 | this.dataGridView.CurrentCell = this.dataGridView.Rows[p.Y].Cells[p.X];
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| 299 | this.dataGridView.ClearSelection();
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| 300 | this.dataGridView.CurrentCell.Selected = true;
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| 301 | }
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| 302 | UpdateRowHeaders();
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| 303 | this.dataGridView.CellValuePushed += new DataGridViewCellValueEventHandler(dataGridView_CellValuePushed);
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| 304 | }
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| 305 |
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| 306 | this.dataGridView.AutoResizeColumns(DataGridViewAutoSizeColumnsMode.DisplayedCells);
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| 307 | this.dataGridView.AutoResizeRowHeadersWidth(DataGridViewRowHeadersWidthSizeMode.AutoSizeToDisplayedHeaders);
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| 308 | if (dataGridView.RowCount != 0 && dataGridView.ColumnCount != 0) {
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| 309 | if (firstVisibleColIndex >= dataGridView.ColumnCount)
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| 310 | firstVisibleColIndex = 0;
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| 311 | if (firstVisibleRowIndex >= dataGridView.RowCount)
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| 312 | firstVisibleRowIndex = 0;
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| 313 | dataGridView.FirstDisplayedCell = dataGridView[firstVisibleColIndex, firstVisibleRowIndex];
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| 314 | }
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| 315 | UpdateSortGlyph();
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| 316 | this.txtColumnGroupName.Text = this.ColumnGroup.Name + " " + ColumnGroup.RowCount + " rows";
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| 317 | RecalculateWidthOfControl();
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| 318 | this.dataGridView.Invalidate();
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| 319 | UpdateStateInformation();
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| 320 | }
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| 321 |
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| 322 | private void dataGridView_ColumnHeaderMouseClick(object sender, System.Windows.Forms.DataGridViewCellMouseEventArgs e) {
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| 323 | if (e.Button == MouseButtons.Right) {
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| 324 | this.commandChain.Add(new SortCommand(DataSet, this.ColumnGroup.Name,
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| 325 | e.ColumnIndex, (Control.ModifierKeys & Keys.Control) == Keys.Control));
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| 326 | //this.UpdateSortGlyph();
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| 327 | //this.dataGridView.AutoResizeColumns(DataGridViewAutoSizeColumnsMode.DisplayedCells);
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| 328 | //UpdateStateInformation();
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| 329 | }
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| 330 | }
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| 331 |
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| 332 | private void dataGridView_ColumnHeaderMouseDoubleClick(object sender, System.Windows.Forms.DataGridViewCellMouseEventArgs e) {
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| 333 | if (e.Button == MouseButtons.Left) {
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| 334 | dataGridView.ClearSelection();
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| 335 | Rectangle rect = dataGridView.GetCellDisplayRectangle(e.ColumnIndex, e.RowIndex, true);
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| 336 | ColumnBase col = this.ColumnGroup.Columns.ElementAt(e.ColumnIndex);
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| 337 | txtColumnName.Text = col.Name;
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| 338 | txtColumnName.Size = rect.Size;
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| 339 | txtColumnName.Location = rect.Location;
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| 340 | txtColumnName.Visible = true;
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| 341 | txtColumnName.Focus();
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| 342 | txtColumnName.BringToFront();
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| 343 | }
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| 344 | }
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| 345 |
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| 346 | private void UpdateSortGlyph() {
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| 347 | System.Collections.IEnumerator e = this.dataGridView.Columns.GetEnumerator();
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| 348 | e.MoveNext();
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| 349 | foreach (SortOrder sortOrder in this.ColumnGroup.SortOrdersForColumns) {
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| 350 | ((DataGridViewColumn)e.Current).HeaderCell.SortGlyphDirection = sortOrder;
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| 351 | e.MoveNext();
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| 352 | }
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| 353 | }
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| 354 |
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| 355 | private void dataGridView_SelectionChanged(object sender, EventArgs e) {
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| 356 | int nullValuesCount = 0;
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| 357 | int totalValuesCount = 0;
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| 358 | IComparable minimum = "";
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| 359 | IComparable maximum = "";
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| 360 | double? mean = null;
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| 361 | double? median = null;
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| 362 | double? stddev = null;
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| 363 | ColumnBase column;
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| 364 |
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| 365 | this.ColumnGroup.ClearSelectedColumns();
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| 366 | if (this.dataGridView.SelectedColumns.Count != 0) {
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| 367 | foreach (DataGridViewColumn col in this.dataGridView.SelectedColumns) {
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| 368 | column = this.ColumnGroup.Columns.ElementAt(col.Index);
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| 369 | column.Selected = true;
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| 370 | nullValuesCount += column.NullValuesCount;
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| 371 | totalValuesCount += column.NonNullValuesCount;
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| 372 | }
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| 373 | if (this.dataGridView.SelectedColumns.Count == 1) {
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| 374 | column = this.ColumnGroup.Columns.ElementAt(dataGridView.SelectedColumns[0].Index);
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| 375 | minimum = column.Minimum;
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| 376 | maximum = column.Maximum;
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| 377 | if (column is DoubleColumn) {
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| 378 | mean = ((DoubleColumn)column).Mean;
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| 379 | stddev = ((DoubleColumn)column).StandardDeviation;
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| 380 | median = ((DoubleColumn)column).Median;
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| 381 | }
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| 382 | }
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| 383 | }
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| 384 | lblNullValues.Text = nullValuesCount.ToString();
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| 385 | lblValues.Text = totalValuesCount.ToString();
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| 386 | lblMinimum.Text = minimum == null ? "" : minimum.ToString();
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| 387 | lblMaximum.Text = maximum == null ? "" : maximum.ToString();
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| 388 | lblMean.Text = mean == null ? "" : mean.ToString();
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| 389 | lblStdDev.Text = stddev == null ? "" : stddev.ToString();
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| 390 | lblMedian.Text = median == null ? "" : median.ToString();
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| 391 | UpdateStateInformation(true);
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| 392 | }
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| 393 |
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| 394 | private void dataGridView_ColumnWidthChanged(object sender, DataGridViewColumnEventArgs e) {
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| 395 | RecalculateWidthOfControl();
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| 396 | }
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| 397 |
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| 398 | private void RecalculateWidthOfControl() {
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| 399 | int width = 0;
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| 400 | foreach (DataGridViewColumn col in this.dataGridView.Columns)
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| 401 | width += col.Width;
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| 402 | //no columns in datagrid
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| 403 | if (width != 0) {
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| 404 | width += this.dataGridView.RowHeadersWidth;
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| 405 | //datagridview.controls[1] is always the vertical scrollbar
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| 406 | if (dataGridView.Controls[1].Visible)
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| 407 | width += 20;
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| 408 | }
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| 409 | this.dataGridView.Width = width;
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| 410 | this.Width = width;
|
---|
| 411 | }
|
---|
| 412 |
|
---|
| 413 | private void dataGridView_MouseClick(object sender, MouseEventArgs e) {
|
---|
| 414 | this.ColumnGroupActive = true;
|
---|
| 415 | this.FireActivated(false);
|
---|
| 416 |
|
---|
| 417 | if (this.dataGridView.AllowUserToOrderColumns || e.Clicks >= 2)
|
---|
| 418 | return;
|
---|
| 419 |
|
---|
| 420 | System.Windows.Forms.DataGridView.HitTestInfo hit = dataGridView.HitTest(e.X, e.Y);
|
---|
| 421 | // row header click
|
---|
| 422 | if (hit.ColumnIndex == -1 && hit.RowIndex >= 0) {
|
---|
| 423 | if (e.Button == MouseButtons.Right) {
|
---|
| 424 | this.commandChain.Add(new InsertRowCommand(DataSet, this.ColumnGroup.Name, hit.RowIndex));
|
---|
| 425 | } else {
|
---|
| 426 | if (dataGridView.SelectionMode != DataGridViewSelectionMode.RowHeaderSelect)
|
---|
| 427 | dataGridView.SelectionMode = DataGridViewSelectionMode.RowHeaderSelect;
|
---|
| 428 | }
|
---|
| 429 | } // column header click
|
---|
| 430 | else if (hit.RowIndex == -1 && hit.ColumnIndex >= 0 && e.Button == MouseButtons.Left) {
|
---|
| 431 | if (dataGridView.SelectionMode != DataGridViewSelectionMode.ColumnHeaderSelect)
|
---|
| 432 | dataGridView.SelectionMode = DataGridViewSelectionMode.ColumnHeaderSelect;
|
---|
| 433 | }
|
---|
| 434 | }
|
---|
| 435 |
|
---|
| 436 | private void dataGridView_AllowUserToOrderColumnsChanged(object sender, EventArgs e) {
|
---|
| 437 | if (this.dataGridView.AllowUserToOrderColumns)
|
---|
| 438 | this.dataGridView.SelectionMode = DataGridViewSelectionMode.RowHeaderSelect;
|
---|
| 439 | }
|
---|
| 440 |
|
---|
| 441 | private void dataGridView_KeyDown(object sender, KeyEventArgs e) {
|
---|
| 442 | //handle deletion of columns and emptying of cells
|
---|
| 443 | if (e.KeyCode == Keys.Delete) {
|
---|
| 444 | if (this.dataGridView.SelectedColumns.Count != 0)
|
---|
| 445 | this.commandChain.Add(new DeleteColumnCommand(DataSet, this.ColumnGroup.Name, ColumnGroup.SelectedColumnIndexes));
|
---|
| 446 | else if (this.dataGridView.SelectedRows.Count != 0) {
|
---|
| 447 | //to ensure that cells are not emptied before the rows got deleted
|
---|
| 448 | //deleting of rows handled by user deleting rows
|
---|
| 449 | } else if (this.dataGridView.SelectedCells.Count != 0) {
|
---|
| 450 | List<Point> cells = new List<Point>();
|
---|
| 451 | foreach (DataGridViewCell cell in this.dataGridView.SelectedCells) {
|
---|
| 452 | if (cell.RowIndex < this.ColumnGroup.Columns.ElementAt(cell.ColumnIndex).TotalValuesCount && cell.Value != null)
|
---|
| 453 | cells.Add(new Point(cell.ColumnIndex, cell.RowIndex));
|
---|
| 454 | }
|
---|
| 455 | if (cells.Count != 0)
|
---|
| 456 | this.commandChain.Add(new ChangeValuesToNullCommand(DataSet, this.ColumnGroup.Name, cells));
|
---|
| 457 | }
|
---|
| 458 | }
|
---|
| 459 | //handle paste of values
|
---|
| 460 | else if (e.Control && e.KeyCode == Keys.V)
|
---|
| 461 | PasteClipboardContent();
|
---|
| 462 | else if (e.Control && e.KeyCode == Keys.C)
|
---|
| 463 | CopyClipboardContent();
|
---|
| 464 | }
|
---|
| 465 |
|
---|
| 466 | private void dataGridView_Scroll(object sender, ScrollEventArgs e) {
|
---|
| 467 | UpdateRowHeaders();
|
---|
| 468 | }
|
---|
| 469 |
|
---|
| 470 | private void dataGridView_Resize(object sender, EventArgs e) {
|
---|
| 471 | UpdateRowHeaders();
|
---|
| 472 | }
|
---|
| 473 |
|
---|
| 474 | private void UpdateRowHeaders() {
|
---|
| 475 | for (int i = dataGridView.FirstDisplayedScrollingRowIndex; i < dataGridView.FirstDisplayedScrollingRowIndex + dataGridView.DisplayedRowCount(true); i++)
|
---|
| 476 | dataGridView.Rows[i].HeaderCell.Value = i.ToString();
|
---|
| 477 | dataGridView.Invalidate();
|
---|
| 478 | }
|
---|
| 479 |
|
---|
| 480 | private void dataGridView_RowHeadersWidthChanged(object sender, EventArgs e) {
|
---|
| 481 | this.RecalculateWidthOfControl();
|
---|
| 482 | }
|
---|
| 483 |
|
---|
[6707] | 484 | private void dataGridView_CellMouseEnter(object sender, DataGridViewCellEventArgs e) {
|
---|
| 485 | if (e.RowIndex == -1 && e.ColumnIndex != -1) {
|
---|
| 486 | toolTip.SetToolTip(this.dataGridView, ToExcelColumnIndex(e.ColumnIndex));
|
---|
| 487 | } else {
|
---|
| 488 | toolTip.Hide(this.dataGridView);
|
---|
| 489 | }
|
---|
| 490 | }
|
---|
| 491 |
|
---|
| 492 |
|
---|
| 493 |
|
---|
| 494 | private string ToExcelColumnIndex(int index) {
|
---|
| 495 | //if (symb.Length == 1) { // 'A' .. 'Z'
|
---|
| 496 | // return TryTranslateColumnIndexDigit(symb[0], out columnIndex);
|
---|
| 497 | //} else if (symb.Length == 2) { // 'AA' ... 'ZZ'
|
---|
| 498 | // bool ok;
|
---|
| 499 | // int d0, d1;
|
---|
| 500 | // ok = TryTranslateColumnIndexDigit(symb[0], out d1) & TryTranslateColumnIndexDigit(symb[1], out d0);
|
---|
| 501 | // columnIndex = (d1 + 1) * 26 + d0;
|
---|
| 502 | // return ok;
|
---|
| 503 | //} else {
|
---|
| 504 | // columnIndex = 0;
|
---|
| 505 | // return false;
|
---|
| 506 | //}
|
---|
| 507 | #region digits
|
---|
| 508 | var digits = new char[] {
|
---|
| 509 | '#',
|
---|
| 510 | 'A',
|
---|
| 511 | 'B',
|
---|
| 512 | 'C',
|
---|
| 513 | 'D',
|
---|
| 514 | 'E',
|
---|
| 515 | 'F',
|
---|
| 516 | 'G',
|
---|
| 517 | 'H',
|
---|
| 518 | 'I',
|
---|
| 519 | 'J',
|
---|
| 520 | 'K',
|
---|
| 521 | 'L',
|
---|
| 522 | 'M',
|
---|
| 523 | 'N',
|
---|
| 524 | 'O',
|
---|
| 525 | 'P',
|
---|
| 526 | 'Q',
|
---|
| 527 | 'R',
|
---|
| 528 | 'S',
|
---|
| 529 | 'T',
|
---|
| 530 | 'U',
|
---|
| 531 | 'V',
|
---|
| 532 | 'W',
|
---|
| 533 | 'X',
|
---|
| 534 | 'Y',
|
---|
| 535 | 'Z'};
|
---|
| 536 | int b = digits.Length - 1;
|
---|
| 537 | #endregion
|
---|
| 538 | string excelIndex = string.Empty;
|
---|
| 539 | index = index + 1;
|
---|
| 540 | while (index > 0) {
|
---|
| 541 | int d = index / b;
|
---|
| 542 | int rem = index % b;
|
---|
| 543 | index = d;
|
---|
| 544 | excelIndex = digits[rem] + excelIndex;
|
---|
| 545 | }
|
---|
| 546 | return excelIndex;
|
---|
| 547 | }
|
---|
| 548 |
|
---|
[6133] | 549 | #region DataGridView virtual mode event handler
|
---|
| 550 |
|
---|
| 551 | private void dataGridView_CellValueNeeded(object sender, System.Windows.Forms.DataGridViewCellValueEventArgs e) {
|
---|
| 552 | if (e.ColumnIndex < this.ColumnGroup.Columns.Count())
|
---|
| 553 | e.Value = ColumnGroup.Columns.ElementAt(e.ColumnIndex).GetValue(e.RowIndex);
|
---|
| 554 | }
|
---|
| 555 |
|
---|
| 556 | private void dataGridView_CellValuePushed(object sender, System.Windows.Forms.DataGridViewCellValueEventArgs e) {
|
---|
| 557 | IComparable value = null;
|
---|
| 558 | try {
|
---|
| 559 | if (e.Value == null)
|
---|
| 560 | value = null;
|
---|
| 561 | else if (this.ColumnGroup.Columns.ElementAt(e.ColumnIndex).DataType == typeof(double?))
|
---|
| 562 | value = double.Parse((string)e.Value);
|
---|
| 563 | else if (this.ColumnGroup.Columns.ElementAt(e.ColumnIndex).DataType == typeof(DateTime?))
|
---|
| 564 | value = DateTime.Parse((string)e.Value);
|
---|
| 565 | else
|
---|
| 566 | value = e.Value.ToString();
|
---|
| 567 | }
|
---|
| 568 | catch (FormatException) {
|
---|
| 569 | }
|
---|
| 570 |
|
---|
| 571 | if (e.RowIndex == this.dataGridView.RowCount - 1) {
|
---|
| 572 | IComparable[] row = new IComparable[this.ColumnGroup.Columns.Count()];
|
---|
| 573 | row[e.ColumnIndex] = value;
|
---|
| 574 | this.commandChain.Add(new AddRowCommand(this.DataSet, this.ColumnGroup.Name, row));
|
---|
| 575 | } else {
|
---|
| 576 | this.commandChain.Add(new ChangeValueCommand(this.DataSet, this.ColumnGroup.Name, e.ColumnIndex, e.RowIndex, value));
|
---|
| 577 | }
|
---|
| 578 | }
|
---|
| 579 |
|
---|
| 580 | private void dataGridView_UserDeletingRow(object sender, System.Windows.Forms.DataGridViewRowCancelEventArgs e) {
|
---|
| 581 | e.Cancel = true;
|
---|
| 582 | if (e.Row.Index < this.ColumnGroup.RowCount) {
|
---|
| 583 | List<int> positions;
|
---|
| 584 | if (this.dataGridView.AreAllCellsSelected(true))
|
---|
| 585 | positions = Enumerable.Range(0, this.ColumnGroup.RowCount).ToList();
|
---|
| 586 | else {
|
---|
| 587 | positions = new List<int>();
|
---|
| 588 | for (int i = 0; i < this.dataGridView.SelectedRows.Count; i++)
|
---|
| 589 | if (this.dataGridView.SelectedRows[i].Index < this.ColumnGroup.RowCount)
|
---|
| 590 | positions.Add(this.dataGridView.SelectedRows[i].Index);
|
---|
| 591 | positions.Sort();
|
---|
| 592 | }
|
---|
| 593 | if (positions.Count != 0) {
|
---|
| 594 | this.commandChain.Add(new DeleteRowsCommand(DataSet, this.ColumnGroup.Name, positions));
|
---|
| 595 | }
|
---|
| 596 | this.dataGridView.ClearSelection();
|
---|
| 597 | }
|
---|
| 598 | }
|
---|
| 599 |
|
---|
| 600 | #endregion
|
---|
| 601 |
|
---|
| 602 | #region txtColumnName event handler
|
---|
| 603 | private void txtColumnName_Leave(object source, EventArgs e) {
|
---|
| 604 | this.txtColumnName.Visible = false;
|
---|
| 605 | }
|
---|
| 606 |
|
---|
| 607 | private void txtColumnName_KeyDown(object source, KeyEventArgs e) {
|
---|
| 608 | if (e.KeyCode != Keys.Enter && e.KeyCode != Keys.Escape)
|
---|
| 609 | return;
|
---|
| 610 | if (e.KeyCode == Keys.Enter) {
|
---|
| 611 | DataGridView.HitTestInfo h = this.dataGridView.HitTest(txtColumnName.Location.X, txtColumnName.Location.Y);
|
---|
| 612 | this.commandChain.Add(new RenameColumnCommand(DataSet, this.ColumnGroup.Name, h.ColumnIndex, txtColumnName.Text));
|
---|
| 613 | }
|
---|
| 614 | this.txtColumnName.Visible = false;
|
---|
| 615 | }
|
---|
| 616 | #endregion
|
---|
| 617 |
|
---|
| 618 | #region txtColumnGroupName event handler
|
---|
| 619 | private void txtColumnGroupName_Click(object sender, EventArgs e) {
|
---|
| 620 | bool ctrlPressed = (Control.ModifierKeys & Keys.Control) == Keys.Control;
|
---|
| 621 | this.dataGridView.ClearSelection();
|
---|
| 622 | this.ColumnGroupActive = !this.ColumnGroupActive;
|
---|
| 623 | FireActivated(ctrlPressed);
|
---|
| 624 | UpdateStateInformation();
|
---|
| 625 | }
|
---|
| 626 |
|
---|
| 627 | private void txtColumnGroupName_DoubleClick(object sender, EventArgs e) {
|
---|
| 628 | txtColumnGroupName.ReadOnly = false;
|
---|
| 629 | txtColumnGroupName.Text = ColumnGroup.Name;
|
---|
| 630 | }
|
---|
| 631 |
|
---|
| 632 | private void txtColumnGroupName_Leave(object sender, EventArgs e) {
|
---|
| 633 | if (!txtColumnGroupName.ReadOnly) {
|
---|
| 634 | txtColumnGroupName.ReadOnly = true;
|
---|
| 635 | if (CheckIfNewColumnGroupNameIsAllowed(txtColumnGroupName.Text))
|
---|
| 636 | this.commandChain.Add(new RenameColumnGroupCommand(DataSet, this.ColumnGroup.Name, txtColumnGroupName.Text));
|
---|
| 637 | }
|
---|
| 638 | }
|
---|
| 639 |
|
---|
| 640 | private void txtColumnGroupName_KeyDown(object sender, KeyEventArgs e) {
|
---|
| 641 | if (this.txtColumnGroupName.ReadOnly) //user can not change the name if it is readonly
|
---|
| 642 | return;
|
---|
| 643 | if (e.KeyCode != Keys.Enter && e.KeyCode != Keys.Escape)
|
---|
| 644 | return;
|
---|
| 645 | if (e.KeyCode == Keys.Enter && CheckIfNewColumnGroupNameIsAllowed(txtColumnGroupName.Text)) {
|
---|
| 646 | this.commandChain.Add(new RenameColumnGroupCommand(DataSet, this.ColumnGroup.Name, txtColumnGroupName.Text));
|
---|
| 647 | }
|
---|
| 648 | txtColumnGroupName.ReadOnly = true;
|
---|
| 649 | this.Focus();
|
---|
| 650 | this.Refresh();
|
---|
| 651 | }
|
---|
| 652 |
|
---|
| 653 | private bool CheckIfNewColumnGroupNameIsAllowed(string newName) {
|
---|
| 654 | return !this.DataSet.ColumnGroups.Any(cg => cg.Name == newName);
|
---|
| 655 | }
|
---|
| 656 | #endregion
|
---|
| 657 | }
|
---|
| 658 | }
|
---|