Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / WinForms / Managed / System / WinForms / DataGridTable.cs / 1305376 / DataGridTable.cs
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//------------------------------------------------------------------------------
namespace System.Windows.Forms {
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System;
using System.Text;
using System.Collections;
using System.Windows.Forms;
using System.Windows.Forms.ComponentModel;
using System.Drawing;
using System.Runtime.InteropServices;
using Microsoft.Win32;
///
/// Represents the table drawn by the
///
[
ToolboxItem(false),
DesignTimeVisible(false),
//DefaultProperty("GridTableName")
]
public class DataGridTableStyle : Component, IDataGridEditingService {
// internal for DataGridColumn accessibility...
//
internal DataGrid dataGrid = null;
// relationship UI
private int relationshipHeight = 0;
internal const int relationshipSpacing = 1;
private Rectangle relationshipRect = Rectangle.Empty;
private int focusedRelation = -1;
private int focusedTextWidth;
// will contain a list of relationships that this table has
private ArrayList relationsList = new ArrayList(2);
// the name of the table
private string mappingName = "";
private GridColumnStylesCollection gridColumns = null;
private bool readOnly = false;
private bool isDefaultTableStyle = false;
private static readonly object EventAllowSorting = new object();
private static readonly object EventGridLineColor = new object();
private static readonly object EventGridLineStyle = new object();
private static readonly object EventHeaderBackColor = new object();
private static readonly object EventHeaderForeColor = new object();
private static readonly object EventHeaderFont = new object();
private static readonly object EventLinkColor = new object();
private static readonly object EventLinkHoverColor = new object();
private static readonly object EventPreferredColumnWidth = new object();
private static readonly object EventPreferredRowHeight = new object();
private static readonly object EventColumnHeadersVisible = new object();
private static readonly object EventRowHeaderWidth = new object();
private static readonly object EventSelectionBackColor = new object();
private static readonly object EventSelectionForeColor = new object();
private static readonly object EventMappingName = new object();
private static readonly object EventAlternatingBackColor = new object();
private static readonly object EventBackColor = new object();
private static readonly object EventForeColor = new object();
private static readonly object EventReadOnly = new object();
private static readonly object EventRowHeadersVisible = new object();
// add a bunch of properties, taken from the dataGrid
//
// default values
//
private const bool defaultAllowSorting = true;
private const DataGridLineStyle defaultGridLineStyle = DataGridLineStyle.Solid;
private const int defaultPreferredColumnWidth = 75;
private const int defaultRowHeaderWidth = 35;
internal static readonly Font defaultFont = Control.DefaultFont;
internal static readonly int defaultFontHeight = defaultFont.Height;
// the actual place holders for properties
//
private bool allowSorting = defaultAllowSorting;
private SolidBrush alternatingBackBrush = DefaultAlternatingBackBrush;
private SolidBrush backBrush = DefaultBackBrush;
private SolidBrush foreBrush = DefaultForeBrush;
private SolidBrush gridLineBrush = DefaultGridLineBrush;
private DataGridLineStyle gridLineStyle = defaultGridLineStyle;
internal SolidBrush headerBackBrush = DefaultHeaderBackBrush;
internal Font headerFont = null; // this is ambient property to Font value.
internal SolidBrush headerForeBrush = DefaultHeaderForeBrush;
internal Pen headerForePen = DefaultHeaderForePen;
private SolidBrush linkBrush = DefaultLinkBrush;
internal int preferredColumnWidth = defaultPreferredColumnWidth;
private int prefferedRowHeight = defaultFontHeight + 3;
private SolidBrush selectionBackBrush = DefaultSelectionBackBrush;
private SolidBrush selectionForeBrush = DefaultSelectionForeBrush;
private int rowHeaderWidth = defaultRowHeaderWidth;
private bool rowHeadersVisible = true;
private bool columnHeadersVisible = true;
// the dataGrid would need to know when the ColumnHeaderVisible, RowHeadersVisible, RowHeaderWidth
// and preferredColumnWidth, preferredRowHeight properties are changed in the current dataGridTableStyle
// also: for GridLineStyle, GridLineColor, ForeColor, BackColor, HeaderBackColor, HeaderFont, HeaderForeColor
// LinkColor, LinkHoverColor
//
///
/// [To be supplied.]
///
[
SRCategory(SR.CatBehavior),
DefaultValue(defaultAllowSorting),
SRDescription(SR.DataGridAllowSortingDescr)
]
public bool AllowSorting {
get {
return allowSorting;
}
set {
if (this.isDefaultTableStyle) {
throw new ArgumentException(SR.GetString(SR.DataGridDefaultTableSet, "AllowSorting"));
}
if (allowSorting != value) {
allowSorting = value;
OnAllowSortingChanged(EventArgs.Empty);
}
}
}
///
/// [To be supplied]
///
public event EventHandler AllowSortingChanged {
add {
Events.AddHandler(EventAllowSorting, value);
}
remove {
Events.RemoveHandler(EventAllowSorting, value);
}
}
///
/// [To be supplied.]
///
[
SRCategory(SR.CatColors),
SRDescription(SR.DataGridAlternatingBackColorDescr)
]
public Color AlternatingBackColor {
get {
return alternatingBackBrush.Color;
}
set {
if (this.isDefaultTableStyle) {
throw new ArgumentException(SR.GetString(SR.DataGridDefaultTableSet, "AlternatingBackColor"));
}
if (System.Windows.Forms.DataGrid.IsTransparentColor(value))
throw new ArgumentException(SR.GetString(SR.DataGridTableStyleTransparentAlternatingBackColorNotAllowed));
if (value.IsEmpty) {
throw new ArgumentException(SR.GetString(SR.DataGridEmptyColor,
"AlternatingBackColor"));
}
if (!alternatingBackBrush.Color.Equals(value)) {
alternatingBackBrush = new SolidBrush(value);
InvalidateInside();
OnAlternatingBackColorChanged(EventArgs.Empty);
}
}
}
///
/// [To be supplied.]
///
public event EventHandler AlternatingBackColorChanged {
add {
Events.AddHandler(EventAlternatingBackColor, value);
}
remove {
Events.RemoveHandler(EventAlternatingBackColor, value);
}
}
///
/// [To be supplied.]
///
public void ResetAlternatingBackColor() {
if (ShouldSerializeAlternatingBackColor()) {
AlternatingBackColor = DefaultAlternatingBackBrush.Color;
InvalidateInside();
}
}
///
/// [To be supplied.]
///
protected virtual bool ShouldSerializeAlternatingBackColor()
{
return !AlternatingBackBrush.Equals(DefaultAlternatingBackBrush);
}
internal SolidBrush AlternatingBackBrush {
get {
return alternatingBackBrush;
}
}
///
/// [To be supplied.]
///
protected bool ShouldSerializeBackColor() {
return !System.Windows.Forms.DataGridTableStyle.DefaultBackBrush.Equals(this.backBrush);
}
///
/// [To be supplied.]
///
protected bool ShouldSerializeForeColor() {
return !System.Windows.Forms.DataGridTableStyle.DefaultForeBrush.Equals(this.foreBrush);
}
internal SolidBrush BackBrush {
get {
return this.backBrush;
}
}
///
/// [To be supplied.]
///
[
SRCategory(SR.CatColors),
SRDescription(SR.ControlBackColorDescr)
]
public Color BackColor {
get {
return this.backBrush.Color;
}
set {
if (this.isDefaultTableStyle) {
throw new ArgumentException(SR.GetString(SR.DataGridDefaultTableSet, "BackColor"));
}
if (System.Windows.Forms.DataGrid.IsTransparentColor(value))
throw new ArgumentException(SR.GetString(SR.DataGridTableStyleTransparentBackColorNotAllowed));
if (value.IsEmpty) {
throw new ArgumentException(SR.GetString(SR.DataGridEmptyColor,
"BackColor"));
}
if (!backBrush.Color.Equals(value)) {
this.backBrush = new SolidBrush(value);
InvalidateInside();
OnBackColorChanged(EventArgs.Empty);
}
}
}
///
/// [To be supplied.]
///
public event EventHandler BackColorChanged {
add {
Events.AddHandler(EventBackColor, value);
}
remove {
Events.RemoveHandler(EventBackColor, value);
}
}
///
/// [To be supplied.]
///
public void ResetBackColor() {
if (!this.backBrush.Equals(DefaultBackBrush)) {
this.BackColor = DefaultBackBrush.Color;
}
}
internal int BorderWidth {
get {
DataGrid dataGrid = this.DataGrid;
if (dataGrid == null)
return 0;
// if the user set the GridLineStyle property on the dataGrid.
// then use the value of that property
DataGridLineStyle gridStyle;
int gridLineWidth;
if (this.IsDefault) {
gridStyle = this.DataGrid.GridLineStyle;
gridLineWidth = this.DataGrid.GridLineWidth;
} else {
gridStyle = this.GridLineStyle;
gridLineWidth = this.GridLineWidth;
}
if (gridStyle == DataGridLineStyle.None)
return 0;
return gridLineWidth;
}
}
internal static SolidBrush DefaultAlternatingBackBrush {
get {
return (SolidBrush)SystemBrushes.Window;
}
}
internal static SolidBrush DefaultBackBrush {
get {
return (SolidBrush)SystemBrushes.Window;
}
}
internal static SolidBrush DefaultForeBrush {
get {
return (SolidBrush)SystemBrushes.WindowText;
}
}
private static SolidBrush DefaultGridLineBrush {
get {
return (SolidBrush)SystemBrushes.Control;
}
}
private static SolidBrush DefaultHeaderBackBrush {
get {
return (SolidBrush)SystemBrushes.Control;
}
}
private static SolidBrush DefaultHeaderForeBrush {
get {
return (SolidBrush)SystemBrushes.ControlText;
}
}
private static Pen DefaultHeaderForePen {
get {
return new Pen(SystemColors.ControlText);
}
}
private static SolidBrush DefaultLinkBrush {
get {
return (SolidBrush)SystemBrushes.HotTrack;
}
}
private static SolidBrush DefaultSelectionBackBrush {
get {
return (SolidBrush)SystemBrushes.ActiveCaption;
}
}
private static SolidBrush DefaultSelectionForeBrush {
get {
return (SolidBrush)SystemBrushes.ActiveCaptionText;
}
}
internal int FocusedRelation {
get {
return focusedRelation;
}
set {
if (focusedRelation != value) {
focusedRelation = value;
if (focusedRelation == -1) {
focusedTextWidth = 0;
} else {
Graphics g = DataGrid.CreateGraphicsInternal();
focusedTextWidth = (int) Math.Ceiling(g.MeasureString(((string) RelationsList[focusedRelation]), DataGrid.LinkFont).Width);
g.Dispose();
}
}
}
}
internal int FocusedTextWidth {
get {
return this.focusedTextWidth;
}
}
///
/// [To be supplied.]
///
[
SRCategory(SR.CatColors),
SRDescription(SR.ControlForeColorDescr)
]
public Color ForeColor {
get {
return this.foreBrush.Color;
}
set {
if (this.isDefaultTableStyle) {
throw new ArgumentException(SR.GetString(SR.DataGridDefaultTableSet, "ForeColor"));
}
if (value.IsEmpty) {
throw new ArgumentException(SR.GetString(SR.DataGridEmptyColor,
"BackColor"));
}
if (!foreBrush.Color.Equals(value)) {
this.foreBrush = new SolidBrush(value);
InvalidateInside();
OnForeColorChanged(EventArgs.Empty);
}
}
}
///
/// [To be supplied.]
///
public event EventHandler ForeColorChanged {
add {
Events.AddHandler(EventForeColor, value);
}
remove {
Events.RemoveHandler(EventForeColor, value);
}
}
internal SolidBrush ForeBrush {
get {
return this.foreBrush;
}
}
///
/// [To be supplied.]
///
public void ResetForeColor() {
if (!this.foreBrush.Equals(DefaultForeBrush)) {
this.ForeColor = DefaultForeBrush.Color;
}
}
///
/// [To be supplied.]
///
[
SRCategory(SR.CatColors),
SRDescription(SR.DataGridGridLineColorDescr)
]
public Color GridLineColor {
get {
return gridLineBrush.Color;
}
set {
if (this.isDefaultTableStyle) {
throw new ArgumentException(SR.GetString(SR.DataGridDefaultTableSet, "GridLineColor"));
}
if (gridLineBrush.Color != value) {
if (value.IsEmpty)
throw new ArgumentException(SR.GetString(SR.DataGridEmptyColor, "GridLineColor"));
gridLineBrush = new SolidBrush(value);
// Invalidate(layout.Data);
OnGridLineColorChanged(EventArgs.Empty);
}
}
}
///
/// [To be supplied.]
///
public event EventHandler GridLineColorChanged {
add {
Events.AddHandler(EventGridLineColor, value);
}
remove {
Events.RemoveHandler(EventGridLineColor, value);
}
}
///
/// [To be supplied.]
///
protected virtual bool ShouldSerializeGridLineColor()
{
return !GridLineBrush.Equals(DefaultGridLineBrush);
}
///
/// [To be supplied.]
///
public void ResetGridLineColor() {
if (ShouldSerializeGridLineColor()) {
GridLineColor = DefaultGridLineBrush.Color;
}
}
internal SolidBrush GridLineBrush {
get {
return gridLineBrush;
}
}
internal int GridLineWidth {
get {
Debug.Assert(this.GridLineStyle == DataGridLineStyle.Solid || this.GridLineStyle == DataGridLineStyle.None, "are there any other styles?");
return GridLineStyle == DataGridLineStyle.Solid ? 1 : 0;
}
}
///
/// [To be supplied.]
///
[
SRCategory(SR.CatAppearance),
DefaultValue(defaultGridLineStyle),
SRDescription(SR.DataGridGridLineStyleDescr)
]
public DataGridLineStyle GridLineStyle {
get {
return gridLineStyle;
}
set {
if (this.isDefaultTableStyle) {
throw new ArgumentException(SR.GetString(SR.DataGridDefaultTableSet, "GridLineStyle"));
}
//valid values are 0x0 to 0x1.
if (!ClientUtils.IsEnumValid(value, (int)value, (int)DataGridLineStyle.None, (int)DataGridLineStyle.Solid)) {
throw new InvalidEnumArgumentException("value", (int)value, typeof(DataGridLineStyle));
}
if (gridLineStyle != value) {
gridLineStyle = value;
// Invalidate(layout.Data);
OnGridLineStyleChanged(EventArgs.Empty);
}
}
}
///
/// [To be supplied.]
///
public event EventHandler GridLineStyleChanged {
add {
Events.AddHandler(EventGridLineStyle, value);
}
remove {
Events.RemoveHandler(EventGridLineStyle, value);
}
}
///
/// [To be supplied.]
///
[
SRCategory(SR.CatColors),
SRDescription(SR.DataGridHeaderBackColorDescr)
]
public Color HeaderBackColor {
get {
return headerBackBrush.Color;
}
set {
if (this.isDefaultTableStyle) {
throw new ArgumentException(SR.GetString(SR.DataGridDefaultTableSet, "HeaderBackColor"));
}
if (System.Windows.Forms.DataGrid.IsTransparentColor(value))
throw new ArgumentException(SR.GetString(SR.DataGridTableStyleTransparentHeaderBackColorNotAllowed));
if (value.IsEmpty)
throw new ArgumentException(SR.GetString(SR.DataGridEmptyColor, "HeaderBackColor"));
if (!value.Equals(headerBackBrush.Color)) {
headerBackBrush = new SolidBrush(value);
/*
if (layout.RowHeadersVisible)
Invalidate(layout.RowHeaders);
if (layout.ColumnHeadersVisible)
Invalidate(layout.ColumnHeaders);
Invalidate(layout.TopLeftHeader);
*/
OnHeaderBackColorChanged(EventArgs.Empty);
}
}
}
///
/// [To be supplied.]
///
public event EventHandler HeaderBackColorChanged {
add {
Events.AddHandler(EventHeaderBackColor, value);
}
remove {
Events.RemoveHandler(EventHeaderBackColor, value);
}
}
internal SolidBrush HeaderBackBrush {
get {
return headerBackBrush;
}
}
///
/// [To be supplied.]
///
protected virtual bool ShouldSerializeHeaderBackColor()
{
return !HeaderBackBrush.Equals(DefaultHeaderBackBrush);
}
///
/// [To be supplied.]
///
public void ResetHeaderBackColor() {
if(ShouldSerializeHeaderBackColor()) {
HeaderBackColor = DefaultHeaderBackBrush.Color;
}
}
///
/// [To be supplied.]
///
[
SRCategory(SR.CatAppearance),
Localizable(true),
AmbientValue(null),
SRDescription(SR.DataGridHeaderFontDescr)
]
public Font HeaderFont {
get {
return(headerFont == null ? (this.DataGrid == null ? Control.DefaultFont : this.DataGrid.Font) : headerFont);
}
set {
if (this.isDefaultTableStyle) {
throw new ArgumentException(SR.GetString(SR.DataGridDefaultTableSet, "HeaderFont"));
}
if (value == null && headerFont != null || (value != null && !value.Equals(headerFont))) {
headerFont = value;
/*
RecalculateFonts();
PerformLayout();
Invalidate(layout.Inside);
*/
OnHeaderFontChanged(EventArgs.Empty);
}
}
}
///
/// [To be supplied.]
///
public event EventHandler HeaderFontChanged {
add {
Events.AddHandler(EventHeaderFont, value);
}
remove {
Events.RemoveHandler(EventHeaderFont, value);
}
}
///
/// [To be supplied.]
///
private bool ShouldSerializeHeaderFont() {
return(headerFont != null);
}
///
/// [To be supplied.]
///
public void ResetHeaderFont() {
if (headerFont != null) {
headerFont = null;
/*
RecalculateFonts();
PerformLayout();
Invalidate(layout.Inside);
*/
OnHeaderFontChanged(EventArgs.Empty);
}
}
///
/// [To be supplied.]
///
[
SRCategory(SR.CatColors),
SRDescription(SR.DataGridHeaderForeColorDescr)
]
public Color HeaderForeColor {
get {
return headerForePen.Color;
}
set {
if (this.isDefaultTableStyle) {
throw new ArgumentException(SR.GetString(SR.DataGridDefaultTableSet, "HeaderForeColor"));
}
if (value.IsEmpty)
throw new ArgumentException(SR.GetString(SR.DataGridEmptyColor, "HeaderForeColor"));
if (!value.Equals(headerForePen.Color)) {
headerForePen = new Pen(value);
headerForeBrush = new SolidBrush(value);
/*
if (layout.RowHeadersVisible)
Invalidate(layout.RowHeaders);
if (layout.ColumnHeadersVisible)
Invalidate(layout.ColumnHeaders);
Invalidate(layout.TopLeftHeader);
*/
OnHeaderForeColorChanged(EventArgs.Empty);
}
}
}
///
/// [To be supplied.]
///
protected virtual bool ShouldSerializeHeaderForeColor()
{
return !HeaderForePen.Equals(DefaultHeaderForePen);
}
///
/// [To be supplied.]
///
public void ResetHeaderForeColor() {
if(ShouldSerializeHeaderForeColor()) {
HeaderForeColor = DefaultHeaderForeBrush.Color;
}
}
internal SolidBrush HeaderForeBrush {
get {
return this.headerForeBrush;
}
}
internal Pen HeaderForePen {
get {
return headerForePen;
}
}
///
/// [To be supplied.]
///
[
SRCategory(SR.CatColors),
SRDescription(SR.DataGridLinkColorDescr)
]
public Color LinkColor {
get {
return linkBrush.Color;
}
set {
if (this.isDefaultTableStyle) {
throw new ArgumentException(SR.GetString(SR.DataGridDefaultTableSet, "LinkColor"));
}
if (value.IsEmpty)
throw new ArgumentException(SR.GetString(SR.DataGridEmptyColor, "LinkColor"));
if (!linkBrush.Color.Equals(value)) {
linkBrush = new SolidBrush(value);
// Invalidate(layout.Data);
OnLinkColorChanged(EventArgs.Empty);
}
}
}
///
/// [To be supplied.]
///
public event EventHandler LinkColorChanged {
add {
Events.AddHandler(EventLinkColor, value);
}
remove {
Events.RemoveHandler(EventLinkColor, value);
}
}
///
/// [To be supplied.]
///
protected virtual bool ShouldSerializeLinkColor()
{
return !LinkBrush.Equals(DefaultLinkBrush);
}
///
/// [To be supplied.]
///
public void ResetLinkColor() {
if (ShouldSerializeLinkColor())
LinkColor = DefaultLinkBrush.Color;
}
internal Brush LinkBrush {
get {
return linkBrush;
}
}
///
/// [To be supplied.]
///
[
SRDescription(SR.DataGridLinkHoverColorDescr),
SRCategory(SR.CatColors),
Browsable(false),
EditorBrowsable(EditorBrowsableState.Never)
]
public Color LinkHoverColor {
get {
return this.LinkColor;
}
[SuppressMessage("Microsoft.Performance", "CA1801:AvoidUnusedParameters")]
set {
}
}
///
/// [To be supplied.]
///
public event EventHandler LinkHoverColorChanged {
add {
Events.AddHandler(EventLinkHoverColor, value);
}
remove {
Events.RemoveHandler(EventLinkHoverColor, value);
}
}
///
/// [To be supplied.]
///
protected virtual bool ShouldSerializeLinkHoverColor()
{
return false;
// return !LinkHoverBrush.Equals(defaultLinkHoverBrush);
}
internal Rectangle RelationshipRect {
get {
if (this.relationshipRect.IsEmpty) {
ComputeRelationshipRect();
}
return this.relationshipRect;
}
}
private Rectangle ComputeRelationshipRect() {
if (relationshipRect.IsEmpty && DataGrid.AllowNavigation) {
Debug.WriteLineIf(CompModSwitches.DGRelationShpRowLayout.TraceVerbose, "GetRelationshipRect grinding away");
Graphics g = DataGrid.CreateGraphicsInternal();
relationshipRect = new Rectangle();
relationshipRect.X = 0; //indentWidth;
// relationshipRect.Y = base.Height - BorderWidth;
// Determine the width of the widest relationship name
int longestRelationship = 0;
for (int r = 0; r < this.RelationsList.Count; ++r) {
int rwidth = (int) Math.Ceiling(g.MeasureString(((string) this.RelationsList[r]), this.DataGrid.LinkFont).Width)
;
if (rwidth > longestRelationship)
longestRelationship = rwidth;
}
g.Dispose();
relationshipRect.Width = longestRelationship + 5;
relationshipRect.Width += 2; // relationshipRect border;
relationshipRect.Height = BorderWidth + relationshipHeight * this.RelationsList.Count;
relationshipRect.Height += 2; // relationship border
if (this.RelationsList.Count > 0)
relationshipRect.Height += 2 * relationshipSpacing;
}
return relationshipRect;
}
internal void ResetRelationsUI() {
this.relationshipRect = Rectangle.Empty;
this.focusedRelation = -1;
this.relationshipHeight = this.dataGrid.LinkFontHeight + relationshipSpacing;
}
internal int RelationshipHeight {
get {
return this.relationshipHeight;
}
}
///
/// [To be supplied.]
///
public void ResetLinkHoverColor() {
/*if (ShouldSerializeLinkHoverColor())
LinkHoverColor = defaultLinkHoverBrush.Color;*/
}
///
/// [To be supplied.]
///
[
DefaultValue(defaultPreferredColumnWidth),
SRCategory(SR.CatLayout),
Localizable(true),
SRDescription(SR.DataGridPreferredColumnWidthDescr),
TypeConverter(typeof(DataGridPreferredColumnWidthTypeConverter))
]
public int PreferredColumnWidth {
get {
return preferredColumnWidth;
}
set {
if (this.isDefaultTableStyle) {
throw new ArgumentException(SR.GetString(SR.DataGridDefaultTableSet, "PreferredColumnWidth"));
}
if (value < 0)
throw new ArgumentException(SR.GetString(SR.DataGridColumnWidth), "PreferredColumnWidth");
if (preferredColumnWidth != value) {
preferredColumnWidth = value;
/*
// reset the dataGridRows
SetDataGridRows(null, this.DataGridRowsLength);
// layout the horizontal scroll bar
PerformLayout();
// invalidate everything
Invalidate();
*/
OnPreferredColumnWidthChanged(EventArgs.Empty);
}
}
}
///
/// [To be supplied.]
///
public event EventHandler PreferredColumnWidthChanged {
add {
Events.AddHandler(EventPreferredColumnWidth, value);
}
remove {
Events.RemoveHandler(EventPreferredColumnWidth, value);
}
}
///
/// [To be supplied.]
///
[
SRCategory(SR.CatLayout),
Localizable(true),
SRDescription(SR.DataGridPreferredRowHeightDescr)
]
public int PreferredRowHeight {
get {
return prefferedRowHeight;
}
set {
if (this.isDefaultTableStyle) {
throw new ArgumentException(SR.GetString(SR.DataGridDefaultTableSet, "PrefferedRowHeight"));
}
if (value < 0)
throw new ArgumentException(SR.GetString(SR.DataGridRowRowHeight));
prefferedRowHeight = value;
/*
bool needToRedraw = false;
DataGridRow[] rows = DataGridRows;
for (int i = 0; i < DataGridRowsLength; i++)
{
if (rows[i].Height != value) needToRedraw = false;
rows[i].Height = value;
}
// if all rows' height was equal to "value" before setting it, then
// there is no need to redraw.
if (!needToRedraw)
return;
// need to layout the scroll bars:
PerformLayout();
// invalidate the entire area...
Rectangle rightArea = Rectangle.Union(layout.RowHeaders, layout.Data);
Invalidate(rightArea);
*/
OnPreferredRowHeightChanged(EventArgs.Empty);
}
}
///
/// [To be supplied.]
///
public event EventHandler PreferredRowHeightChanged {
add {
Events.AddHandler(EventPreferredRowHeight, value);
}
remove {
Events.RemoveHandler(EventPreferredRowHeight, value);
}
}
private void ResetPreferredRowHeight() {
PreferredRowHeight = defaultFontHeight + 3;
}
///
/// [To be supplied.]
///
protected bool ShouldSerializePreferredRowHeight()
{
return prefferedRowHeight != defaultFontHeight + 3;
}
///
/// [To be supplied.]
///
[
SRCategory(SR.CatDisplay),
DefaultValue(true),
SRDescription(SR.DataGridColumnHeadersVisibleDescr)
]
public bool ColumnHeadersVisible {
get {
return columnHeadersVisible;
}
set {
if (columnHeadersVisible != value) {
columnHeadersVisible = value;
/*
PerformLayout();
InvalidateInside();
*/
OnColumnHeadersVisibleChanged(EventArgs.Empty);
}
}
}
///
/// [To be supplied.]
///
public event EventHandler ColumnHeadersVisibleChanged {
add {
Events.AddHandler(EventColumnHeadersVisible, value);
}
remove {
Events.RemoveHandler(EventColumnHeadersVisible, value);
}
}
///
/// [To be supplied.]
///
[
SRCategory(SR.CatDisplay),
DefaultValue(true),
SRDescription(SR.DataGridRowHeadersVisibleDescr)
]
public bool RowHeadersVisible {
get {
return rowHeadersVisible;
}
set {
if (rowHeadersVisible != value) {
rowHeadersVisible = value;
/*
PerformLayout();
InvalidateInside();
*/
OnRowHeadersVisibleChanged(EventArgs.Empty);
}
}
}
///
/// [To be supplied.]
///
public event EventHandler RowHeadersVisibleChanged {
add {
Events.AddHandler(EventRowHeadersVisible, value);
}
remove {
Events.RemoveHandler(EventRowHeadersVisible, value);
}
}
///
/// [To be supplied.]
///
[
SRCategory(SR.CatLayout),
DefaultValue(defaultRowHeaderWidth),
Localizable(true),
SRDescription(SR.DataGridRowHeaderWidthDescr)
]
public int RowHeaderWidth {
get {
return rowHeaderWidth;
}
set {
if (this.DataGrid != null)
value = Math.Max(this.DataGrid.MinimumRowHeaderWidth(), value);
if (rowHeaderWidth != value)
{
rowHeaderWidth = value;
/*
if (layout.RowHeadersVisible)
{
PerformLayout();
InvalidateInside();
}
*/
OnRowHeaderWidthChanged(EventArgs.Empty);
}
}
}
///
/// [To be supplied.]
///
public event EventHandler RowHeaderWidthChanged {
add {
Events.AddHandler(EventRowHeaderWidth, value);
}
remove {
Events.RemoveHandler(EventRowHeaderWidth, value);
}
}
///
/// [To be supplied.]
///
[
SRCategory(SR.CatColors),
SRDescription(SR.DataGridSelectionBackColorDescr)
]
public Color SelectionBackColor {
get {
return selectionBackBrush.Color;
}
set {
if (this.isDefaultTableStyle) {
throw new ArgumentException(SR.GetString(SR.DataGridDefaultTableSet, "SelectionBackColor"));
}
if (System.Windows.Forms.DataGrid.IsTransparentColor(value))
throw new ArgumentException(SR.GetString(SR.DataGridTableStyleTransparentSelectionBackColorNotAllowed));
if (value.IsEmpty)
throw new ArgumentException(SR.GetString(SR.DataGridEmptyColor, "SelectionBackColor"));
if (!value.Equals(selectionBackBrush.Color)) {
selectionBackBrush = new SolidBrush(value);
InvalidateInside();
OnSelectionBackColorChanged(EventArgs.Empty);
}
}
}
///
/// [To be supplied.]
///
public event EventHandler SelectionBackColorChanged {
add {
Events.AddHandler(EventSelectionBackColor, value);
}
remove {
Events.RemoveHandler(EventSelectionBackColor, value);
}
}
internal SolidBrush SelectionBackBrush {
get {
return this.selectionBackBrush;
}
}
internal SolidBrush SelectionForeBrush {
get {
return this.selectionForeBrush;
}
}
///
/// [To be supplied.]
///
protected bool ShouldSerializeSelectionBackColor()
{
return !DefaultSelectionBackBrush.Equals(selectionBackBrush);
}
///
/// [To be supplied.]
///
public void ResetSelectionBackColor() {
if (ShouldSerializeSelectionBackColor())
SelectionBackColor = DefaultSelectionBackBrush.Color;
}
///
/// [To be supplied.]
///
[
Description("The foreground color for the current data grid row"),
SRCategory(SR.CatColors),
SRDescription(SR.DataGridSelectionForeColorDescr)
]
public Color SelectionForeColor {
get {
return selectionForeBrush.Color;
}
set {
if (this.isDefaultTableStyle) {
throw new ArgumentException(SR.GetString(SR.DataGridDefaultTableSet, "SelectionForeColor"));
}
if (value.IsEmpty)
throw new ArgumentException(SR.GetString(SR.DataGridEmptyColor, "SelectionForeColor"));
if (!value.Equals(selectionForeBrush.Color)) {
selectionForeBrush = new SolidBrush(value);
InvalidateInside();
OnSelectionForeColorChanged(EventArgs.Empty);
}
}
}
///
/// [To be supplied.]
///
public event EventHandler SelectionForeColorChanged {
add {
Events.AddHandler(EventSelectionForeColor, value);
}
remove {
Events.RemoveHandler(EventSelectionForeColor, value);
}
}
///
/// [To be supplied.]
///
protected virtual bool ShouldSerializeSelectionForeColor()
{
return !SelectionForeBrush.Equals(DefaultSelectionForeBrush);
}
///
/// [To be supplied.]
///
public void ResetSelectionForeColor() {
if (ShouldSerializeSelectionForeColor())
SelectionForeColor = DefaultSelectionForeBrush.Color;
}
// will need this function from the dataGrid
//
private void InvalidateInside() {
if (this.DataGrid != null)
this.DataGrid.InvalidateInside();
}
///
/// [To be supplied.]
///
[
SuppressMessage("Microsoft.Security", "CA2104:DoNotDeclareReadOnlyMutableReferenceTypes") // This has already shipped so we can't change it.
]
public static readonly DataGridTableStyle DefaultTableStyle = new DataGridTableStyle(true);
///
/// Initializes a new instance of the
///
public DataGridTableStyle(bool isDefaultTableStyle) {
gridColumns = new GridColumnStylesCollection(this, isDefaultTableStyle);
gridColumns.CollectionChanged += new CollectionChangeEventHandler(this.OnColumnCollectionChanged);
this.isDefaultTableStyle = isDefaultTableStyle;
}
///
/// [To be supplied.]
///
public DataGridTableStyle() : this(false) {
}
///
/// Initializes a new instance of the
///
[
SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors") // If the constructor does not set the GridColumnStyles
// it would be a breaking change.
]
public DataGridTableStyle(CurrencyManager listManager) : this() {
Debug.Assert(listManager != null, "the DataGridTabel cannot use a null listManager");
this.mappingName = listManager.GetListName();
// set up the Relations and the columns
SetGridColumnStylesCollection(listManager);
}
internal void SetRelationsList(CurrencyManager listManager) {
PropertyDescriptorCollection propCollection = listManager.GetItemProperties();
Debug.Assert(!this.IsDefault, "the grid can set the relations only on a table that was manually added by the user");
int propCount = propCollection.Count;
if (relationsList.Count > 0)
relationsList.Clear();
for (int i = 0; i < propCount; i++) {
PropertyDescriptor prop = propCollection[i];
Debug.Assert(prop != null, "prop is null: how that happened?");
if (PropertyDescriptorIsARelation(prop)) {
// relation
relationsList.Add(prop.Name);
}
}
}
internal void SetGridColumnStylesCollection(CurrencyManager listManager) {
// when we are setting the gridColumnStyles, do not handle any gridColumnCollectionChanged events
gridColumns.CollectionChanged -= new CollectionChangeEventHandler(this.OnColumnCollectionChanged);
PropertyDescriptorCollection propCollection = listManager.GetItemProperties();
// we need to clear the relations list
if (relationsList.Count > 0)
relationsList.Clear();
Debug.Assert(propCollection != null, "propCollection is null: how that happened?");
int propCount = propCollection.Count;
for (int i = 0; i < propCount; i++) {
PropertyDescriptor prop = propCollection[i];
Debug.Assert(prop != null, "prop is null: how that happened?");
// do not take into account the properties that are browsable.
if (!prop.IsBrowsable)
continue;
if (PropertyDescriptorIsARelation(prop)) {
// relation
relationsList.Add(prop.Name);
}
else
{
// column
DataGridColumnStyle col = this.CreateGridColumn(prop, this.isDefaultTableStyle);
if (this.isDefaultTableStyle)
gridColumns.AddDefaultColumn(col);
else {
col.MappingName = prop.Name;
col.HeaderText = prop.Name;
gridColumns.Add(col);
}
}
}
// now we are able to handle the collectionChangeEvents
gridColumns.CollectionChanged += new CollectionChangeEventHandler(this.OnColumnCollectionChanged);
}
private static bool PropertyDescriptorIsARelation(PropertyDescriptor prop) {
return typeof(IList).IsAssignableFrom(prop.PropertyType) && !typeof(Array).IsAssignableFrom(prop.PropertyType);
}
///
/// Gets the name of this grid table.
///
[Editor("System.Windows.Forms.Design.DataGridTableStyleMappingNameEditor, " + AssemblyRef.SystemDesign, typeof(System.Drawing.Design.UITypeEditor)), DefaultValue("")]
public string MappingName {
get {
return mappingName;
}
set {
if (value == null)
value = "";
if (value.Equals(mappingName))
return;
string originalMappingName = this.MappingName;
mappingName = value;
// this could throw
try {
if (this.DataGrid != null)
this.DataGrid.TableStyles.CheckForMappingNameDuplicates(this);
} catch {
this.mappingName = originalMappingName;
throw;
}
OnMappingNameChanged(EventArgs.Empty);
}
}
///
/// [To be supplied.]
///
public event EventHandler MappingNameChanged {
add {
Events.AddHandler(EventMappingName, value);
}
remove {
Events.RemoveHandler(EventMappingName, value);
}
}
///
/// Gets the
/// list of relation objects for the grid table.
///
internal ArrayList RelationsList {
get {
return relationsList;
}
}
///
/// Gets the collection of columns drawn for this table.
///
[
Localizable(true),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content)
]
public virtual GridColumnStylesCollection GridColumnStyles {
get {
return gridColumns;
}
}
///
///
/// Gets or sets the
///
internal void SetInternalDataGrid(DataGrid dG, bool force)
{
if (dataGrid != null && dataGrid.Equals(dG) && !force)
return;
else {
dataGrid = dG;
if (dG != null && dG.Initializing)
return;
int nCols = gridColumns.Count;
for (int i = 0; i < nCols; i++)
gridColumns[i].SetDataGridInternalInColumn(dG);
}
}
///
/// Gets or sets the
///
[Browsable(false)]
public virtual DataGrid DataGrid {
get {
return dataGrid;
}
set {
SetInternalDataGrid(value, true);
}
}
///
/// Gets or sets a value indicating whether columns can be
/// edited.
///
[DefaultValue(false)]
public virtual bool ReadOnly {
get {
return readOnly;
}
set {
if (readOnly != value) {
readOnly = value;
OnReadOnlyChanged(EventArgs.Empty);
}
}
}
///
/// [To be supplied.]
///
public event EventHandler ReadOnlyChanged {
add {
Events.AddHandler(EventReadOnly, value);
}
remove {
Events.RemoveHandler(EventReadOnly, value);
}
}
// =-----------------------------------------------------------------
// = Methods
// =------------------------------------------------------------------
///
/// Requests an edit operation.
///
public bool BeginEdit(DataGridColumnStyle gridColumn, int rowNumber) {
DataGrid grid = this.DataGrid;
if (grid == null)
return false;
else
return grid.BeginEdit(gridColumn, rowNumber);
}
///
/// Requests an end to an edit
/// operation.
///
public bool EndEdit(DataGridColumnStyle gridColumn, int rowNumber, bool shouldAbort) {
DataGrid grid = this.DataGrid;
if (grid == null)
return false;
else
return grid.EndEdit(gridColumn, rowNumber, shouldAbort);
}
internal void InvalidateColumn(DataGridColumnStyle column) {
int index = GridColumnStyles.IndexOf(column);
if (index >= 0 && DataGrid != null)
DataGrid.InvalidateColumn(index);
}
private void OnColumnCollectionChanged(object sender, CollectionChangeEventArgs e) {
gridColumns.CollectionChanged -= new CollectionChangeEventHandler(this.OnColumnCollectionChanged);
try {
DataGrid grid = this.DataGrid;
DataGridColumnStyle col = e.Element as DataGridColumnStyle;
if (e.Action == CollectionChangeAction.Add) {
if (col != null)
col.SetDataGridInternalInColumn(grid);
} else if (e.Action == CollectionChangeAction.Remove) {
if (col != null)
col.SetDataGridInternalInColumn(null);
} else {
// refresh
Debug.Assert(e.Action == CollectionChangeAction.Refresh, "there are only Add, Remove and Refresh in the CollectionChangeAction");
// if we get a column in this collectionChangeEventArgs it means
// that the propertyDescriptor in that column changed.
if (e.Element != null)
for (int i = 0; i < gridColumns.Count; i++ )
gridColumns[i].SetDataGridInternalInColumn(null);
}
if (grid != null)
grid.OnColumnCollectionChanged(this, e);
} finally {
gridColumns.CollectionChanged += new CollectionChangeEventHandler(this.OnColumnCollectionChanged);
}
}
#if false
///
/// The DataColumnCollection class actually wires up this
/// event handler to the PropertyChanged events of
/// a DataGridTable's columns.
///
internal void OnColumnChanged(object sender, PropertyChangedEvent event) {
if (event.PropertyName.Equals("Visible"))
GenerateVisibleColumnsCache();
}
#endif
///
/// [To be supplied.]
///
protected virtual void OnReadOnlyChanged(EventArgs e) {
EventHandler eh = Events[EventReadOnly] as EventHandler;
if (eh != null)
eh(this, e);
}
///
/// [To be supplied.]
///
protected virtual void OnMappingNameChanged(EventArgs e) {
EventHandler eh = Events[EventMappingName] as EventHandler;
if (eh != null)
eh(this, e);
}
///
/// [To be supplied.]
///
protected virtual void OnAllowSortingChanged(EventArgs e) {
EventHandler eh = Events[EventAllowSorting] as EventHandler;
if (eh != null)
eh(this, e);
}
///
/// [To be supplied.]
///
protected virtual void OnGridLineColorChanged(EventArgs e) {
EventHandler eh = Events[EventGridLineColor] as EventHandler;
if (eh != null)
eh(this, e);
}
///
/// [To be supplied.]
///
protected virtual void OnGridLineStyleChanged(EventArgs e) {
EventHandler eh = Events[EventGridLineStyle] as EventHandler;
if (eh != null)
eh(this, e);
}
///
/// [To be supplied.]
///
protected virtual void OnHeaderBackColorChanged(EventArgs e) {
EventHandler eh = Events[EventHeaderBackColor] as EventHandler;
if (eh != null)
eh(this, e);
}
///
/// [To be supplied.]
///
protected virtual void OnHeaderFontChanged(EventArgs e) {
EventHandler eh = Events[EventHeaderFont] as EventHandler;
if (eh != null)
eh(this, e);
}
///
/// [To be supplied.]
///
protected virtual void OnHeaderForeColorChanged(EventArgs e) {
EventHandler eh = Events[EventHeaderForeColor] as EventHandler;
if (eh != null)
eh(this, e);
}
///
/// [To be supplied.]
///
protected virtual void OnLinkColorChanged(EventArgs e) {
EventHandler eh = Events[EventLinkColor] as EventHandler;
if (eh != null)
eh(this, e);
}
///
/// [To be supplied.]
///
protected virtual void OnLinkHoverColorChanged(EventArgs e) {
EventHandler eh = Events[EventLinkHoverColor] as EventHandler;
if (eh != null)
eh(this, e);
}
///
/// [To be supplied.]
///
protected virtual void OnPreferredRowHeightChanged(EventArgs e) {
EventHandler eh = Events[EventPreferredRowHeight] as EventHandler;
if (eh != null)
eh(this, e);
}
///
/// [To be supplied.]
///
protected virtual void OnPreferredColumnWidthChanged(EventArgs e) {
EventHandler eh = Events[EventPreferredColumnWidth] as EventHandler;
if (eh != null)
eh(this, e);
}
///
/// [To be supplied.]
///
protected virtual void OnColumnHeadersVisibleChanged(EventArgs e) {
EventHandler eh = Events[EventColumnHeadersVisible] as EventHandler;
if (eh != null)
eh(this, e);
}
///
/// [To be supplied.]
///
protected virtual void OnRowHeadersVisibleChanged(EventArgs e) {
EventHandler eh = Events[EventRowHeadersVisible] as EventHandler;
if (eh != null)
eh(this, e);
}
///
/// [To be supplied.]
///
protected virtual void OnRowHeaderWidthChanged(EventArgs e) {
EventHandler eh = Events[EventRowHeaderWidth] as EventHandler;
if (eh != null)
eh(this, e);
}
///
/// [To be supplied.]
///
protected virtual void OnSelectionForeColorChanged(EventArgs e) {
EventHandler eh = Events[EventSelectionForeColor] as EventHandler;
if (eh != null)
eh(this, e);
}
///
/// [To be supplied.]
///
protected virtual void OnSelectionBackColorChanged(EventArgs e) {
EventHandler eh = Events[EventSelectionBackColor] as EventHandler;
if (eh != null)
eh(this, e);
}
///
/// [To be supplied.]
///
protected override void Dispose(bool disposing) {
if (disposing) {
GridColumnStylesCollection cols = this.GridColumnStyles;
if (cols != null) {
for (int i = 0; i < cols.Count; i++)
cols[i].Dispose();
}
}
base.Dispose(disposing);
}
internal bool IsDefault {
get {
return this.isDefaultTableStyle;
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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