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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Collections;
using System.ComponentModel.Design.Serialization;
using System.ComponentModel.Design;
using System.ComponentModel;
using System.Drawing;
namespace System.Windows.Forms.Design;
internal class DataGridViewAddColumnDialog : Form
{
private RadioButton _dataBoundColumnRadioButton;
private Label _columnInDataSourceLabel;
private ListBox _dataColumns;
private RadioButton _unboundColumnRadioButton;
private TextBox _nameTextBox;
private ComboBox _columnTypesCombo;
private TextBox _headerTextBox;
private Label _nameLabel;
private Label _typeLabel;
private Label _headerTextLabel;
private CheckBox _visibleCheckBox;
private CheckBox _readOnlyCheckBox;
private CheckBox _frozenCheckBox;
private Button _addButton;
private Button _cancelButton;
private readonly DataGridViewColumnCollection _dataGridViewColumns;
private readonly DataGridView _liveDataGridView;
private int _insertAtPosition = -1;
private int _initialDataGridViewColumnsCount = -1;
private bool _persistChangesToDesigner;
private TableLayoutPanel _okCancelTableLayoutPanel;
private TableLayoutPanel _checkBoxesTableLayoutPanel;
private TableLayoutPanel _overarchingTableLayoutPanel;
public DataGridViewAddColumnDialog(DataGridViewColumnCollection dataGridViewColumns, DataGridView liveDataGridView)
{
_dataGridViewColumns = dataGridViewColumns;
_liveDataGridView = liveDataGridView;
// PERF: set the Dialog Font before InitializeComponent.
//
Font uiFont = Control.DefaultFont;
if (_liveDataGridView.Site.TryGetService(out IUIService? uiService))
{
uiFont = (Font)uiService.Styles["DialogFont"]!;
}
Font = uiFont;
//
// Required for Windows Form Designer support
//
InitializeComponent();
// put this code in the constructor because we want to keep the dataBoundColumnRadioButton.Checked state
// when the user closes and reopens the add column dialog
EnableDataBoundSection();
}
/// <summary>
/// consolidate all the information from the dialog into a data grid view column
/// and insert it in the data grid view column collection
/// </summary>
private void AddColumn()
{
ComboBoxItem? comboBoxItem = (ComboBoxItem)_columnTypesCombo.SelectedItem!;
Type columnType = comboBoxItem.ColumnType;
DataGridViewColumn column = (DataGridViewColumn)Activator.CreateInstance(columnType)!;
// if we want to insert a column before a frozen column then make sure that we insert a frozen column
bool forceColumnFrozen = _dataGridViewColumns.Count > _insertAtPosition && _dataGridViewColumns[_insertAtPosition].Frozen;
column.Frozen = forceColumnFrozen;
// if we don't persist changes to the designer then we want to add the columns before
// setting the Frozen bit
if (!_persistChangesToDesigner)
{
// set the header text because the DataGridViewColumnCollection needs it to compute
// its listbox'x HorizontalOffset
column.HeaderText = _headerTextBox.Text;
column.Name = _nameTextBox.Text;
column.DisplayIndex = -1;
_dataGridViewColumns.Insert(_insertAtPosition, column);
_insertAtPosition++;
}
// if we persist changes directly to the designer then:
// 1. set the column property values
// 2. Add the new column
// 3. site the column
// 1. set the property values in the column
column.HeaderText = _headerTextBox.Text;
column.Name = _nameTextBox.Text;
column.Visible = _visibleCheckBox.Checked;
column.Frozen = _frozenCheckBox.Checked || forceColumnFrozen;
column.ReadOnly = _readOnlyCheckBox.Checked;
if (_dataBoundColumnRadioButton.Checked && _dataColumns.SelectedIndex > -1)
{
column.DataPropertyName = ((ListBoxItem)_dataColumns.SelectedItem!).PropertyName;
}
if (_persistChangesToDesigner)
{
try
{
// insert the column before siting the column.
// if DataGridView throws an exception then the designer does not end up w/ a column that is not in any data grid view.
column.DisplayIndex = -1;
_dataGridViewColumns.Insert(_insertAtPosition, column);
_insertAtPosition++;
// site the column
_liveDataGridView.Site?.Container?.Add(column, column.Name);
}
catch (InvalidOperationException ex)
{
IUIService? uiService = _liveDataGridView.Site?.GetService<IUIService>();
DataGridViewDesigner.ShowErrorDialog(uiService, ex, _liveDataGridView);
return;
}
}
// Set the UserAddedColumn property to true.
PropertyDescriptorCollection props = TypeDescriptor.GetProperties(column);
PropertyDescriptor? pd = props["UserAddedColumn"];
pd?.SetValue(column, true);
// pick a new Column name
_nameTextBox.Text = _headerTextBox.Text = AssignName();
_nameTextBox.Focus();
}
private string AssignName()
{
int colId = 1;
// string columnName = (SR.DataGridView_ColumnName, colId.ToString());
string columnName;
IDesignerHost? host = _liveDataGridView.Site?.GetService<IDesignerHost>();
IContainer? container = host?.Container;
do
{
columnName = $"Column{colId++}";
}
while (!ValidName(columnName,
_dataGridViewColumns,
container,
nameCreationService: null,
_liveDataGridView.Columns,
!_persistChangesToDesigner));
return columnName;
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose(bool disposing) => base.Dispose(disposing);
private void EnableDataBoundSection()
{
bool dataGridViewIsDataBound = _dataColumns.Items.Count > 0;
if (dataGridViewIsDataBound)
{
_dataBoundColumnRadioButton.Enabled = true;
_dataBoundColumnRadioButton.Checked = true;
_dataBoundColumnRadioButton.Focus();
}
else
{
_dataBoundColumnRadioButton.Enabled = false;
_unboundColumnRadioButton.Checked = true;
_nameTextBox.Focus();
}
_headerTextBox.Text = _nameTextBox.Text = AssignName();
}
/// <summary>
/// public because the EditColumns dialog wants to use it as well.
/// </summary>
/// <param name="typeResolutionService"></param>
/// <param name="type"></param>
/// <returns></returns>
public static ComponentDesigner? GetComponentDesignerForType(ITypeResolutionService? typeResolutionService, Type type)
{
ComponentDesigner? compDesigner = null;
DesignerAttribute? designerAttribute = null;
AttributeCollection? attributes = TypeDescriptor.GetAttributes(type);
for (int i = 0; i < attributes.Count; i++)
{
if (attributes[i] is DesignerAttribute attribute)
{
Type? daType = Type.GetType(attribute.DesignerBaseTypeName);
if (daType == typeof(IDesigner))
{
designerAttribute = attribute;
break;
}
}
}
if (designerAttribute is not null)
{
Type? designerType = typeResolutionService is not null
? typeResolutionService.GetType(designerAttribute.DesignerTypeName)
: Type.GetType(designerAttribute.DesignerTypeName);
if (designerType is not null && typeof(ComponentDesigner).IsAssignableFrom(designerType))
{
compDesigner = Activator.CreateInstance(designerType) as ComponentDesigner;
}
}
return compDesigner;
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
[MemberNotNull(nameof(_dataBoundColumnRadioButton))]
[MemberNotNull(nameof(_overarchingTableLayoutPanel))]
[MemberNotNull(nameof(_checkBoxesTableLayoutPanel))]
[MemberNotNull(nameof(_frozenCheckBox))]
[MemberNotNull(nameof(_visibleCheckBox))]
[MemberNotNull(nameof(_readOnlyCheckBox))]
[MemberNotNull(nameof(_okCancelTableLayoutPanel))]
[MemberNotNull(nameof(_addButton))]
[MemberNotNull(nameof(_cancelButton))]
[MemberNotNull(nameof(_columnInDataSourceLabel))]
[MemberNotNull(nameof(_dataColumns))]
[MemberNotNull(nameof(_unboundColumnRadioButton))]
[MemberNotNull(nameof(_nameLabel))]
[MemberNotNull(nameof(_nameTextBox))]
[MemberNotNull(nameof(_typeLabel))]
[MemberNotNull(nameof(_columnTypesCombo))]
[MemberNotNull(nameof(_headerTextLabel))]
[MemberNotNull(nameof(_headerTextBox))]
private void InitializeComponent()
{
ComponentResourceManager resources = new(typeof(DataGridViewAddColumnDialog));
_dataBoundColumnRadioButton = new RadioButton();
_overarchingTableLayoutPanel = new TableLayoutPanel();
_checkBoxesTableLayoutPanel = new TableLayoutPanel();
_frozenCheckBox = new CheckBox();
_visibleCheckBox = new CheckBox();
_readOnlyCheckBox = new CheckBox();
_okCancelTableLayoutPanel = new TableLayoutPanel();
_addButton = new Button();
_cancelButton = new Button();
_columnInDataSourceLabel = new Label();
_dataColumns = new ListBox();
_unboundColumnRadioButton = new RadioButton();
_nameLabel = new Label();
_nameTextBox = new TextBox();
_typeLabel = new Label();
_columnTypesCombo = new ComboBox();
_headerTextLabel = new Label();
_headerTextBox = new TextBox();
_overarchingTableLayoutPanel.SuspendLayout();
_checkBoxesTableLayoutPanel.SuspendLayout();
_okCancelTableLayoutPanel.SuspendLayout();
SuspendLayout();
//
// dataBoundColumnRadioButton
//
resources.ApplyResources(_dataBoundColumnRadioButton, "dataBoundColumnRadioButton");
_dataBoundColumnRadioButton.Checked = true;
_overarchingTableLayoutPanel.SetColumnSpan(_dataBoundColumnRadioButton, 3);
_dataBoundColumnRadioButton.Margin = new Padding(0);
_dataBoundColumnRadioButton.Name = "dataBoundColumnRadioButton";
_dataBoundColumnRadioButton.CheckedChanged += dataBoundColumnRadioButton_CheckedChanged;
//
// overarchingTableLayoutPanel
//
resources.ApplyResources(_overarchingTableLayoutPanel, "overarchingTableLayoutPanel");
_overarchingTableLayoutPanel.AutoSizeMode = AutoSizeMode.GrowAndShrink;
_overarchingTableLayoutPanel.ColumnStyles.Add(new ColumnStyle(SizeType.Absolute, 14F));
_overarchingTableLayoutPanel.ColumnStyles.Add(new ColumnStyle());
_overarchingTableLayoutPanel.ColumnStyles.Add(new ColumnStyle(SizeType.Absolute, 250F));
_overarchingTableLayoutPanel.Controls.Add(_checkBoxesTableLayoutPanel, 0, 10);
_overarchingTableLayoutPanel.Controls.Add(_okCancelTableLayoutPanel, 2, 11);
_overarchingTableLayoutPanel.Controls.Add(_dataBoundColumnRadioButton, 0, 0);
_overarchingTableLayoutPanel.Controls.Add(_columnInDataSourceLabel, 1, 1);
_overarchingTableLayoutPanel.Controls.Add(_dataColumns, 1, 2);
_overarchingTableLayoutPanel.Controls.Add(_unboundColumnRadioButton, 0, 4);
_overarchingTableLayoutPanel.Controls.Add(_nameLabel, 1, 5);
_overarchingTableLayoutPanel.Controls.Add(_nameTextBox, 2, 5);
_overarchingTableLayoutPanel.Controls.Add(_typeLabel, 1, 7);
_overarchingTableLayoutPanel.Controls.Add(_columnTypesCombo, 2, 7);
_overarchingTableLayoutPanel.Controls.Add(_headerTextLabel, 1, 9);
_overarchingTableLayoutPanel.Controls.Add(_headerTextBox, 2, 9);
_overarchingTableLayoutPanel.Margin = new Padding(12, 12, 12, 13);
_overarchingTableLayoutPanel.Name = "overarchingTableLayoutPanel";
_overarchingTableLayoutPanel.RowStyles.Add(new RowStyle(SizeType.Absolute, 22F));
_overarchingTableLayoutPanel.RowStyles.Add(new RowStyle(SizeType.Absolute, 16F));
_overarchingTableLayoutPanel.RowStyles.Add(new RowStyle(SizeType.Absolute, 91F));
_overarchingTableLayoutPanel.RowStyles.Add(new RowStyle(SizeType.Absolute, 12F));
_overarchingTableLayoutPanel.RowStyles.Add(new RowStyle(SizeType.Absolute, 22F));
_overarchingTableLayoutPanel.RowStyles.Add(new RowStyle());
_overarchingTableLayoutPanel.RowStyles.Add(new RowStyle(SizeType.Absolute, 4F));
_overarchingTableLayoutPanel.RowStyles.Add(new RowStyle());
_overarchingTableLayoutPanel.RowStyles.Add(new RowStyle(SizeType.Absolute, 4F));
_overarchingTableLayoutPanel.RowStyles.Add(new RowStyle());
_overarchingTableLayoutPanel.RowStyles.Add(new RowStyle(SizeType.Absolute, 27F));
_overarchingTableLayoutPanel.RowStyles.Add(new RowStyle());
//
// checkBoxesTableLayoutPanel
//
resources.ApplyResources(_checkBoxesTableLayoutPanel, "checkBoxesTableLayoutPanel");
_checkBoxesTableLayoutPanel.ColumnStyles.Add(new ColumnStyle());
_checkBoxesTableLayoutPanel.ColumnStyles.Add(new ColumnStyle());
_checkBoxesTableLayoutPanel.ColumnStyles.Add(new ColumnStyle());
_checkBoxesTableLayoutPanel.Controls.Add(_frozenCheckBox, 2, 0);
_checkBoxesTableLayoutPanel.Controls.Add(_visibleCheckBox, 0, 0);
_checkBoxesTableLayoutPanel.Controls.Add(_readOnlyCheckBox, 1, 0);
_checkBoxesTableLayoutPanel.Margin = new Padding(0);
_overarchingTableLayoutPanel.SetColumnSpan(_checkBoxesTableLayoutPanel, 3);
_checkBoxesTableLayoutPanel.Name = "checkBoxesTableLayoutPanel";
_checkBoxesTableLayoutPanel.RowStyles.Add(new RowStyle());
//
// frozenCheckBox
//
resources.ApplyResources(_frozenCheckBox, "frozenCheckBox");
_frozenCheckBox.Margin = new Padding(0);
_frozenCheckBox.Name = "frozenCheckBox";
//
// visibleCheckBox
//
resources.ApplyResources(_visibleCheckBox, "visibleCheckBox");
_visibleCheckBox.Checked = true;
_visibleCheckBox.CheckState = CheckState.Checked;
_visibleCheckBox.Margin = new Padding(0);
_visibleCheckBox.Name = "visibleCheckBox";
//
// readOnlyCheckBox
//
resources.ApplyResources(_readOnlyCheckBox, "readOnlyCheckBox");
_readOnlyCheckBox.Margin = new Padding(0);
_readOnlyCheckBox.Name = "readOnlyCheckBox";
//
// okCancelTableLayoutPanel
//
resources.ApplyResources(_okCancelTableLayoutPanel, "okCancelTableLayoutPanel");
_okCancelTableLayoutPanel.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 50F));
_okCancelTableLayoutPanel.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 50F));
_okCancelTableLayoutPanel.Controls.Add(_addButton, 0, 0);
_okCancelTableLayoutPanel.Controls.Add(_cancelButton, 1, 0);
_okCancelTableLayoutPanel.Margin = new Padding(0, 6, 0, 0);
_okCancelTableLayoutPanel.Name = "okCancelTableLayoutPanel";
_okCancelTableLayoutPanel.RowStyles.Add(new RowStyle(SizeType.Percent, 50F));
//
// addButton
//
resources.ApplyResources(_addButton, "addButton");
_addButton.Margin = new Padding(0, 0, 3, 0);
_addButton.Name = "addButton";
_addButton.Click += addButton_Click;
//
// cancelButton
//
resources.ApplyResources(_cancelButton, "cancelButton");
_cancelButton.Margin = new Padding(3, 0, 0, 0);
_cancelButton.Name = "cancelButton";
_cancelButton.Click += cancelButton_Click;
//
// columnInDataSourceLabel
//
resources.ApplyResources(_columnInDataSourceLabel, "columnInDataSourceLabel");
_overarchingTableLayoutPanel.SetColumnSpan(_columnInDataSourceLabel, 2);
_columnInDataSourceLabel.Margin = new Padding(0);
_columnInDataSourceLabel.Name = "columnInDataSourceLabel";
//
// dataColumns
//
resources.ApplyResources(_dataColumns, "dataColumns");
_overarchingTableLayoutPanel.SetColumnSpan(_dataColumns, 2);
_dataColumns.FormattingEnabled = true;
_dataColumns.Margin = new Padding(0);
_dataColumns.Name = "dataColumns";
_dataColumns.SelectedIndexChanged += dataColumns_SelectedIndexChanged;
//
// unboundColumnRadioButton
//
resources.ApplyResources(_unboundColumnRadioButton, "unboundColumnRadioButton");
_overarchingTableLayoutPanel.SetColumnSpan(_unboundColumnRadioButton, 3);
_unboundColumnRadioButton.Margin = new Padding(0);
_unboundColumnRadioButton.Name = "unboundColumnRadioButton";
_unboundColumnRadioButton.CheckedChanged += unboundColumnRadioButton_CheckedChanged;
//
// nameLabel
//
resources.ApplyResources(_nameLabel, "nameLabel");
_nameLabel.Margin = new Padding(0);
_nameLabel.Name = "nameLabel";
//
// nameTextBox
//
resources.ApplyResources(_nameTextBox, "nameTextBox");
_nameTextBox.Margin = new Padding(0);
_nameTextBox.Name = "nameTextBox";
_nameTextBox.Validating += nameTextBox_Validating;
//
// typeLabel
//
resources.ApplyResources(_typeLabel, "typeLabel");
_typeLabel.Margin = new Padding(0);
_typeLabel.Name = "typeLabel";
//
// columnTypesCombo
//
resources.ApplyResources(_columnTypesCombo, "columnTypesCombo");
_columnTypesCombo.DropDownStyle = ComboBoxStyle.DropDownList;
_columnTypesCombo.FormattingEnabled = true;
_columnTypesCombo.Margin = new Padding(0);
_columnTypesCombo.Name = "columnTypesCombo";
_columnTypesCombo.Sorted = true;
//
// headerTextLabel
//
resources.ApplyResources(_headerTextLabel, "headerTextLabel");
_headerTextLabel.Margin = new Padding(0);
_headerTextLabel.Name = "headerTextLabel";
//
// headerTextBox
//
resources.ApplyResources(_headerTextBox, "headerTextBox");
_headerTextBox.Margin = new Padding(0);
_headerTextBox.Name = "headerTextBox";
//
// DataGridViewAddColumnDialog
//
resources.ApplyResources(this, "$this");
AutoScaleMode = AutoScaleMode.Font;
CancelButton = _cancelButton;
AutoSizeMode = AutoSizeMode.GrowAndShrink;
Controls.Add(_overarchingTableLayoutPanel);
FormBorderStyle = FormBorderStyle.FixedDialog;
HelpButton = true;
MaximizeBox = false;
MinimizeBox = false;
Name = "DataGridViewAddColumnDialog";
ShowIcon = false;
ShowInTaskbar = false;
HelpButtonClicked += DataGridViewAddColumnDialog_HelpButtonClicked;
FormClosed += DataGridViewAddColumnDialog_Closed;
VisibleChanged += DataGridViewAddColumnDialog_VisibleChanged;
Load += DataGridViewAddColumnDialog_Load;
HelpRequested += DataGridViewAddColumnDialog_HelpRequested;
_overarchingTableLayoutPanel.ResumeLayout(false);
_overarchingTableLayoutPanel.PerformLayout();
_checkBoxesTableLayoutPanel.ResumeLayout(false);
_checkBoxesTableLayoutPanel.PerformLayout();
_okCancelTableLayoutPanel.ResumeLayout(false);
_okCancelTableLayoutPanel.PerformLayout();
ResumeLayout(false);
PerformLayout();
}
#endregion
private void dataBoundColumnRadioButton_CheckedChanged(object? sender, EventArgs e)
{
_columnInDataSourceLabel.Enabled = _dataBoundColumnRadioButton.Checked;
_dataColumns.Enabled = _dataBoundColumnRadioButton.Checked;
// push the property name into the headerTextBox and into the nameTextBox
dataColumns_SelectedIndexChanged(null, EventArgs.Empty);
}
private void dataColumns_SelectedIndexChanged(object? sender, EventArgs e)
{
if (_dataColumns.SelectedItem is null)
{
return;
}
_headerTextBox.Text = _nameTextBox.Text = ((ListBoxItem)_dataColumns.SelectedItem).PropertyName;
// pick a default data grid view column type
// NOTE: this will pick one of our data grid view column types
SetDefaultDataGridViewColumnType(((ListBoxItem)_dataColumns.SelectedItem).PropertyType);
}
private void unboundColumnRadioButton_CheckedChanged(object? sender, EventArgs e)
{
if (_unboundColumnRadioButton.Checked)
{
_nameTextBox.Text = _headerTextBox.Text = AssignName();
_nameTextBox.Focus();
}
}
private void DataGridViewAddColumnDialog_Closed(object? sender, EventArgs e)
{
if (_persistChangesToDesigner)
{
try
{
Debug.Assert(_initialDataGridViewColumnsCount != -1, "did you forget to set the initialDataGridViewColumnsCount when you started the dialog?");
if (!_liveDataGridView.Site.TryGetService(out IComponentChangeService? changeService))
{
return;
}
// to get good Undo/Redo we need to bring the data grid view column collection
// back to its initial state before firing the componentChanging event
DataGridViewColumn[] cols = new DataGridViewColumn[_liveDataGridView.Columns.Count - _initialDataGridViewColumnsCount];
for (int i = _initialDataGridViewColumnsCount; i < _liveDataGridView.Columns.Count; i++)
{
cols[i - _initialDataGridViewColumnsCount] = _liveDataGridView.Columns[i];
}
for (int i = _initialDataGridViewColumnsCount; i < _liveDataGridView.Columns.Count;)
{
_liveDataGridView.Columns.RemoveAt(_initialDataGridViewColumnsCount);
}
// the data grid view column collection is back to its initial state
// fire the component changing event
PropertyDescriptor? prop = TypeDescriptor.GetProperties(_liveDataGridView)["Columns"];
changeService.OnComponentChanging(_liveDataGridView, prop);
// add back the data grid view columns the user added using the Add Columns dialog
// But first wipe out the existing display index.
for (int i = 0; i < cols.Length; i++)
{
cols[i].DisplayIndex = -1;
}
_liveDataGridView.Columns.AddRange(cols);
// fire component changed event
changeService.OnComponentChanged(_liveDataGridView, prop, null, null);
}
catch (InvalidOperationException)
{
}
}
#if DEBUG
else
{
Debug.Assert(_initialDataGridViewColumnsCount == -1, "did you forget to reset the _initialDataGridViewColumnsCount when you started the dialog?");
}
#endif // DEBUG
// The DialogResult is OK.
DialogResult = DialogResult.OK;
}
private void DataGridViewAddColumnDialog_HelpButtonClicked(object? sender, CancelEventArgs e)
{
DataGridViewAddColumnDialog_HelpRequestHandled();
e.Cancel = true;
}
private void DataGridViewAddColumnDialog_HelpRequested(object? sender, HelpEventArgs e)
{
DataGridViewAddColumnDialog_HelpRequestHandled();
e.Handled = true;
}
private void DataGridViewAddColumnDialog_HelpRequestHandled()
{
IHelpService? helpService = _liveDataGridView.Site?.GetService<IHelpService>();
helpService?.ShowHelpFromKeyword("vs.DataGridViewAddColumnDialog");
}
private void DataGridViewAddColumnDialog_Load(object? sender, EventArgs e)
{
// setup Visible/ReadOnly/Frozen checkboxes
// localization will change the check boxes text length
if (_dataBoundColumnRadioButton.Checked)
{
_headerTextBox.Text = _nameTextBox.Text = AssignName();
}
else
{
Debug.Assert(_unboundColumnRadioButton.Checked, "we only have 2 radio buttons");
string columnName = AssignName();
_headerTextBox.Text = _nameTextBox.Text = columnName;
}
PopulateColumnTypesCombo();
PopulateDataColumns();
EnableDataBoundSection();
_cancelButton.Text = SR.DataGridView_Cancel;
}
private void DataGridViewAddColumnDialog_VisibleChanged(object? sender, EventArgs e)
{
if (Visible && IsHandleCreated)
{
// we loaded the form
if (_dataBoundColumnRadioButton.Checked)
{
Debug.Assert(_dataColumns.Enabled, "dataColumns list box and dataBoundColumnRadioButton should be enabled / disabled in sync");
_dataColumns.Select();
}
else
{
Debug.Assert(_unboundColumnRadioButton.Checked, "We only have 2 radio buttons");
_nameTextBox.Select();
}
}
}
private void nameTextBox_Validating(object? sender, CancelEventArgs e)
{
INameCreationService? nameCreationService = null;
IContainer? container = null;
if (_liveDataGridView.Site.TryGetService(out IDesignerHost? host))
{
container = host.Container;
nameCreationService = _liveDataGridView.Site.GetService<INameCreationService>();
}
string errorString = string.Empty;
if (!ValidName(_nameTextBox.Text,
_dataGridViewColumns,
container,
nameCreationService,
_liveDataGridView.Columns,
!_persistChangesToDesigner,
out errorString))
{
IUIService? uiService = _liveDataGridView.Site?.GetService<IUIService>();
DataGridViewDesigner.ShowErrorDialog(uiService, errorString, _liveDataGridView);
e.Cancel = true;
}
}
private void PopulateColumnTypesCombo()
{
_columnTypesCombo.Items.Clear();
if (!_liveDataGridView.Site.TryGetService(out IDesignerHost? host))
{
return;
}
ITypeDiscoveryService? discoveryService = host.GetService<ITypeDiscoveryService>();
if (discoveryService is null)
{
return;
}
ICollection columnTypes = DesignerUtils.FilterGenericTypes(discoveryService.GetTypes(typeof(DataGridViewColumn), excludeGlobalTypes: false));
foreach (Type type in columnTypes)
{
if (type == typeof(DataGridViewColumn))
{
continue;
}
if (type.IsAbstract)
{
continue;
}
if (!type.IsPublic && !type.IsNestedPublic)
{
continue;
}
if (TypeDescriptorHelper.TryGetAttribute(type, out DataGridViewColumnDesignTimeVisibleAttribute? attribute) && !attribute.Visible)
{
continue;
}
_columnTypesCombo.Items.Add(new ComboBoxItem(type));
}
// make the textBoxColumn type the selected type
_columnTypesCombo.SelectedIndex = TypeToSelectedIndex(typeof(DataGridViewTextBoxColumn));
}
private void PopulateDataColumns()
{
int selectedIndex = _dataColumns.SelectedIndex;
_dataColumns.SelectedIndex = -1;
_dataColumns.Items.Clear();
if (_liveDataGridView.DataSource is not null)
{
CurrencyManager? currencyManager = null;
try
{
currencyManager = BindingContext?[_liveDataGridView.DataSource, _liveDataGridView.DataMember] as CurrencyManager;
}
catch (ArgumentException)
{
currencyManager = null;
}
PropertyDescriptorCollection? propertyDescriptorCollection = currencyManager?.GetItemProperties();
if (propertyDescriptorCollection is not null)
{
for (int i = 0; i < propertyDescriptorCollection.Count; i++)
{
PropertyDescriptor propertyDescriptor = propertyDescriptorCollection[i];
if (typeof(IList<object>).IsAssignableFrom(propertyDescriptor.PropertyType))
{
// we have an IList. It could be a byte[] in which case we want to generate an Image column
TypeConverter imageTypeConverter = TypeDescriptor.GetConverter(typeof(Image));
if (!imageTypeConverter.CanConvertFrom(propertyDescriptor.PropertyType))
{
continue;
}
}
_dataColumns.Items.Add(new ListBoxItem(propertyDescriptor.PropertyType, propertyDescriptor.Name));
}
}
}
if (selectedIndex != -1 && selectedIndex < _dataColumns.Items.Count)
{
_dataColumns.SelectedIndex = selectedIndex;
}
else
{
_dataColumns.SelectedIndex = _dataColumns.Items.Count > 0 ? 0 : -1;
}
}
private void addButton_Click(object? sender, EventArgs e)
{
_cancelButton.Text = (SR.DataGridView_Close);
// AddColumn takes all the information from this dialog, makes a DataGridViewColumn out of it
// and inserts it at the right index in the data grid view column collection
AddColumn();
}
private void cancelButton_Click(object? sender, EventArgs e)
{
Close();
}
protected override bool ProcessDialogKey(Keys keyData)
{
if ((keyData & Keys.Modifiers) == 0)
{
switch (keyData & Keys.KeyCode)
{
case Keys.Enter:
// Validate the name before adding the column.
IDesignerHost? host = _liveDataGridView.Site?.GetService<IDesignerHost>();
IContainer? container = host?.Container;
INameCreationService? nameCreationService = _liveDataGridView.Site?.GetService<INameCreationService>();
string errorString = string.Empty;
if (ValidName(_nameTextBox.Text,
_dataGridViewColumns,
container,
nameCreationService,
_liveDataGridView.Columns,
!_persistChangesToDesigner,
out errorString))
{
AddColumn();
Close();
}
else
{
IUIService? uiService = _liveDataGridView.Site?.GetService<IUIService>();
DataGridViewDesigner.ShowErrorDialog(uiService, errorString, _liveDataGridView);
}
return true;
}
}
return base.ProcessDialogKey(keyData);
}
internal void Start(int insertAtPosition, bool persistChangesToDesigner)
{
_insertAtPosition = insertAtPosition;
_persistChangesToDesigner = persistChangesToDesigner;
if (_persistChangesToDesigner)
{
_initialDataGridViewColumnsCount = _liveDataGridView.Columns.Count;
}
else
{
_initialDataGridViewColumnsCount = -1;
}
}
private void SetDefaultDataGridViewColumnType(Type type)
{
TypeConverter imageTypeConverter = TypeDescriptor.GetConverter(typeof(Image));
if (type == typeof(bool) || type == typeof(CheckState))
{
// get the data grid view check box column type
_columnTypesCombo.SelectedIndex = TypeToSelectedIndex(typeof(DataGridViewCheckBoxColumn));
}
else if (typeof(Image).IsAssignableFrom(type) || imageTypeConverter.CanConvertFrom(type))
{
// get the data grid view image column type
_columnTypesCombo.SelectedIndex = TypeToSelectedIndex(typeof(DataGridViewImageColumn));
}
else
{
// get the data grid view text box column type
_columnTypesCombo.SelectedIndex = TypeToSelectedIndex(typeof(DataGridViewTextBoxColumn));
}
}
private int TypeToSelectedIndex(Type type)
{
for (int i = 0; i < _columnTypesCombo.Items.Count; i++)
{
if (type == ((ComboBoxItem)_columnTypesCombo.Items[i]!).ColumnType)
{
return i;
}
}
Debug.Fail("we should have found a type by now");
return -1;
}
public static bool ValidName(string name,
DataGridViewColumnCollection columns,
IContainer? container,
INameCreationService? nameCreationService,
DataGridViewColumnCollection liveColumns,
bool allowDuplicateNameInLiveColumnCollection)
=> ValidName(name, columns, container, nameCreationService, liveColumns, allowDuplicateNameInLiveColumnCollection, out _);
/// <devdoc>
/// A column name is valid if it does not cause any name conflicts in the DataGridViewColumnCollection
/// and the IContainer::Component collection.
/// </devdoc>
public static bool ValidName(string name,
DataGridViewColumnCollection columns,
IContainer? container,
INameCreationService? nameCreationService,
DataGridViewColumnCollection? liveColumns,
bool allowDuplicateNameInLiveColumnCollection,
out string errorString)
{
if (columns.Contains(name))
{
errorString = string.Format(SR.DataGridViewDuplicateColumnName, name);
return false;
}
if (container is not null && container.Components[name] is not null)
{
if (!allowDuplicateNameInLiveColumnCollection || liveColumns is null || !liveColumns.Contains(name))
{
errorString = string.Format(SR.DesignerHostDuplicateName, name);
return false;
}
}
if (nameCreationService is not null && !nameCreationService.IsValidName(name))
{
if (!allowDuplicateNameInLiveColumnCollection || liveColumns is null || !liveColumns.Contains(name))
{
errorString = string.Format(SR.CodeDomDesignerLoaderInvalidIdentifier, name);
return false;
}
}
errorString = string.Empty;
return true;
}
private class ListBoxItem
{
public ListBoxItem(Type propertyType, string propertyName)
{
PropertyType = propertyType;
PropertyName = propertyName;
}
public Type PropertyType { get; }
public string PropertyName { get; }
public override string ToString() => PropertyName;
}
private class ComboBoxItem
{
public ComboBoxItem(Type columnType)
{
ColumnType = columnType;
}
public override string ToString() => ColumnType.Name;
public Type ColumnType { get; }
}
}
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