Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / xsp / System / Web / UI / WebControls / Table.cs / 1 / Table.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.UI.WebControls {
using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Design;
using System.Globalization;
using System.IO;
using System.Web;
using System.Security.Permissions;
///
/// Constructs a table and defines its properties.
///
[
DefaultProperty("Rows"),
ParseChildren(true, "Rows"),
Designer("System.Web.UI.Design.WebControls.TableDesigner, " + AssemblyRef.SystemDesign),
SupportsEventValidation,
]
[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
public class Table : WebControl, IPostBackEventHandler {
private TableRowCollection _rows;
private bool _hasRowSections;
///
///
/// Initializes a new instance of the
///
public Table() : base(HtmlTextWriterTag.Table) {
}
///
/// Indicates the URL of the background image to display
/// behind the table. The image will be tiled if it is smaller than the table.
///
[
WebCategory("Appearance"),
DefaultValue(""),
Editor("System.Web.UI.Design.ImageUrlEditor, " + AssemblyRef.SystemDesign, typeof(UITypeEditor)),
UrlProperty(),
WebSysDescription(SR.Table_BackImageUrl)
]
public virtual string BackImageUrl {
get {
if (ControlStyleCreated == false) {
return String.Empty;
}
return((TableStyle)ControlStyle).BackImageUrl;
}
set {
((TableStyle)ControlStyle).BackImageUrl = value;
}
}
[
DefaultValue(""),
Localizable(true),
WebCategory("Accessibility"),
WebSysDescription(SR.Table_Caption)
]
public virtual string Caption {
get {
string s = (string)ViewState["Caption"];
return (s != null) ? s : String.Empty;
}
set {
ViewState["Caption"] = value;
}
}
[
DefaultValue(TableCaptionAlign.NotSet),
WebCategory("Accessibility"),
WebSysDescription(SR.WebControl_CaptionAlign)
]
public virtual TableCaptionAlign CaptionAlign {
get {
object o = ViewState["CaptionAlign"];
return (o != null) ? (TableCaptionAlign)o : TableCaptionAlign.NotSet;
}
set {
if ((value < TableCaptionAlign.NotSet) ||
(value > TableCaptionAlign.Right)) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["CaptionAlign"] = value;
}
}
///
/// Gets or sets
/// the distance (in pixels) between the border and
/// the contents of the table cell.
///
[
WebCategory("Appearance"),
DefaultValue(-1),
WebSysDescription(SR.Table_CellPadding)
]
public virtual int CellPadding {
get {
if (ControlStyleCreated == false) {
return -1;
}
return((TableStyle)ControlStyle).CellPadding;
}
set {
((TableStyle)ControlStyle).CellPadding = value;
}
}
///
/// Gets or
/// sets
/// the distance (in pixels) between table cells.
///
[
WebCategory("Appearance"),
DefaultValue(-1),
WebSysDescription(SR.Table_CellSpacing)
]
public virtual int CellSpacing {
get {
if (ControlStyleCreated == false) {
return -1;
}
return((TableStyle)ControlStyle).CellSpacing;
}
set {
((TableStyle)ControlStyle).CellSpacing = value;
}
}
///
/// Gets or sets the gridlines property of the
///
[
WebCategory("Appearance"),
DefaultValue(GridLines.None),
WebSysDescription(SR.Table_GridLines)
]
public virtual GridLines GridLines {
get {
if (ControlStyleCreated == false) {
return GridLines.None;
}
return((TableStyle)ControlStyle).GridLines;
}
set {
((TableStyle)ControlStyle).GridLines = value;
}
}
internal bool HasRowSections {
get {
return _hasRowSections;
}
set {
_hasRowSections = value;
}
}
///
/// Gets or sets the horizontal alignment of the table within the page.
///
[
WebCategory("Layout"),
DefaultValue(HorizontalAlign.NotSet),
WebSysDescription(SR.Table_HorizontalAlign)
]
public virtual HorizontalAlign HorizontalAlign {
get {
if (ControlStyleCreated == false) {
return HorizontalAlign.NotSet;
}
return((TableStyle)ControlStyle).HorizontalAlign;
}
set {
((TableStyle)ControlStyle).HorizontalAlign = value;
}
}
///
/// Gets the collection of rows within
/// the table.
///
[
MergableProperty(false),
WebSysDescription(SR.Table_Rows),
PersistenceMode(PersistenceMode.InnerDefaultProperty)
]
public virtual TableRowCollection Rows {
get {
if (_rows == null)
_rows = new TableRowCollection(this);
return _rows;
}
}
///
/// A protected method. Adds information about the border
/// color and border width HTML attributes to the list of attributes to render.
///
protected override void AddAttributesToRender(HtmlTextWriter writer) {
base.AddAttributesToRender(writer);
string borderWidthString = "0";
if (ControlStyleCreated) {
if (EnableLegacyRendering || writer is Html32TextWriter) {
// Must render bordercolor attribute to affect cell borders.
Color borderColor = BorderColor;
if (!borderColor.IsEmpty) {
writer.AddAttribute(HtmlTextWriterAttribute.Bordercolor, ColorTranslator.ToHtml(borderColor));
}
}
// GridLines property controls whether we render the "border" attribute, as "border" controls
// whether gridlines appear in HTML 3.2. Always render a value for the border attribute.
Unit borderWidth = BorderWidth;
GridLines gridLines= GridLines;
if (gridLines != GridLines.None) {
if (borderWidth.IsEmpty || borderWidth.Type != UnitType.Pixel) {
borderWidthString = "1";
}
else {
borderWidthString = ((int)borderWidth.Value).ToString(NumberFormatInfo.InvariantInfo);
}
}
}
writer.AddAttribute(HtmlTextWriterAttribute.Border, borderWidthString);
}
///
/// [To be supplied.]
///
protected override ControlCollection CreateControlCollection() {
return new RowControlCollection(this);
}
///
/// A protected method. Creates a table control style.
///
protected override Style CreateControlStyle() {
return new TableStyle(ViewState);
}
///
/// [To be supplied.]
///
protected virtual void RaisePostBackEvent(string argument) {
ValidateEvent(UniqueID, argument);
if(_adapter != null) {
IPostBackEventHandler pbeh = _adapter as IPostBackEventHandler;
if (pbeh != null) {
pbeh.RaisePostBackEvent(argument);
}
}
}
///
/// Renders out the caption of the table if needed, before any rows get rendered.
///
public override void RenderBeginTag(HtmlTextWriter writer) {
base.RenderBeginTag(writer);
string caption = Caption;
if (caption.Length != 0) {
TableCaptionAlign alignment = CaptionAlign;
if (alignment != TableCaptionAlign.NotSet) {
string alignValue = "Right";
switch (alignment) {
case TableCaptionAlign.Top:
alignValue = "Top";
break;
case TableCaptionAlign.Bottom:
alignValue = "Bottom";
break;
case TableCaptionAlign.Left:
alignValue = "Left";
break;
}
writer.AddAttribute(HtmlTextWriterAttribute.Align, alignValue);
}
writer.RenderBeginTag(HtmlTextWriterTag.Caption);
writer.Write(caption);
writer.RenderEndTag();
}
}
///
/// Render the table rows.
///
protected internal override void RenderContents(HtmlTextWriter writer) {
TableRowCollection rows = Rows;
int rowCount = rows.Count;
if (rowCount > 0) {
if (HasRowSections) {
TableRowSection currentSection = TableRowSection.TableHeader;
bool openedTag = false;
foreach (TableRow row in rows) {
if (row.TableSection < currentSection) {
// throw if table sections aren't in order
throw new HttpException(SR.GetString(SR.Table_SectionsMustBeInOrder, ID));
}
if (currentSection < row.TableSection || (row.TableSection == TableRowSection.TableHeader && !openedTag)) {
if (openedTag) {
writer.RenderEndTag();
}
currentSection = row.TableSection;
openedTag = true;
switch (currentSection) {
case TableRowSection.TableHeader:
writer.RenderBeginTag(HtmlTextWriterTag.Thead);
break;
case TableRowSection.TableBody:
writer.RenderBeginTag(HtmlTextWriterTag.Tbody);
break;
case TableRowSection.TableFooter:
writer.RenderBeginTag(HtmlTextWriterTag.Tfoot);
break;
}
}
row.RenderControl(writer);
}
writer.RenderEndTag();
}
else {
foreach (TableRow row in rows) {
row.RenderControl(writer);
}
}
}
}
void IPostBackEventHandler.RaisePostBackEvent(string eventArgument) {
RaisePostBackEvent(eventArgument);
}
///
/// [To be supplied.]
///
protected class RowControlCollection : ControlCollection {
internal RowControlCollection (Control owner) : base(owner) {
}
///
/// Adds the specified
///
public override void Add(Control child) {
if (child is TableRow)
base.Add(child);
else
throw new ArgumentException(SR.GetString(SR.Cannot_Have_Children_Of_Type, "Table", child.GetType().Name.ToString(CultureInfo.InvariantCulture))); // throw an exception here
}
///
/// Adds the specified
///
public override void AddAt(int index, Control child) {
if (child is TableRow)
base.AddAt(index, child);
else
throw new ArgumentException(SR.GetString(SR.Cannot_Have_Children_Of_Type, "Table", child.GetType().Name.ToString(CultureInfo.InvariantCulture))); // throw an exception here
}
} // class RowControlCollection
} // class Table
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.UI.WebControls {
using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Design;
using System.Globalization;
using System.IO;
using System.Web;
using System.Security.Permissions;
///
/// Constructs a table and defines its properties.
///
[
DefaultProperty("Rows"),
ParseChildren(true, "Rows"),
Designer("System.Web.UI.Design.WebControls.TableDesigner, " + AssemblyRef.SystemDesign),
SupportsEventValidation,
]
[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
public class Table : WebControl, IPostBackEventHandler {
private TableRowCollection _rows;
private bool _hasRowSections;
///
///
/// Initializes a new instance of the
///
public Table() : base(HtmlTextWriterTag.Table) {
}
///
/// Indicates the URL of the background image to display
/// behind the table. The image will be tiled if it is smaller than the table.
///
[
WebCategory("Appearance"),
DefaultValue(""),
Editor("System.Web.UI.Design.ImageUrlEditor, " + AssemblyRef.SystemDesign, typeof(UITypeEditor)),
UrlProperty(),
WebSysDescription(SR.Table_BackImageUrl)
]
public virtual string BackImageUrl {
get {
if (ControlStyleCreated == false) {
return String.Empty;
}
return((TableStyle)ControlStyle).BackImageUrl;
}
set {
((TableStyle)ControlStyle).BackImageUrl = value;
}
}
[
DefaultValue(""),
Localizable(true),
WebCategory("Accessibility"),
WebSysDescription(SR.Table_Caption)
]
public virtual string Caption {
get {
string s = (string)ViewState["Caption"];
return (s != null) ? s : String.Empty;
}
set {
ViewState["Caption"] = value;
}
}
[
DefaultValue(TableCaptionAlign.NotSet),
WebCategory("Accessibility"),
WebSysDescription(SR.WebControl_CaptionAlign)
]
public virtual TableCaptionAlign CaptionAlign {
get {
object o = ViewState["CaptionAlign"];
return (o != null) ? (TableCaptionAlign)o : TableCaptionAlign.NotSet;
}
set {
if ((value < TableCaptionAlign.NotSet) ||
(value > TableCaptionAlign.Right)) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["CaptionAlign"] = value;
}
}
///
/// Gets or sets
/// the distance (in pixels) between the border and
/// the contents of the table cell.
///
[
WebCategory("Appearance"),
DefaultValue(-1),
WebSysDescription(SR.Table_CellPadding)
]
public virtual int CellPadding {
get {
if (ControlStyleCreated == false) {
return -1;
}
return((TableStyle)ControlStyle).CellPadding;
}
set {
((TableStyle)ControlStyle).CellPadding = value;
}
}
///
/// Gets or
/// sets
/// the distance (in pixels) between table cells.
///
[
WebCategory("Appearance"),
DefaultValue(-1),
WebSysDescription(SR.Table_CellSpacing)
]
public virtual int CellSpacing {
get {
if (ControlStyleCreated == false) {
return -1;
}
return((TableStyle)ControlStyle).CellSpacing;
}
set {
((TableStyle)ControlStyle).CellSpacing = value;
}
}
///
/// Gets or sets the gridlines property of the
///
[
WebCategory("Appearance"),
DefaultValue(GridLines.None),
WebSysDescription(SR.Table_GridLines)
]
public virtual GridLines GridLines {
get {
if (ControlStyleCreated == false) {
return GridLines.None;
}
return((TableStyle)ControlStyle).GridLines;
}
set {
((TableStyle)ControlStyle).GridLines = value;
}
}
internal bool HasRowSections {
get {
return _hasRowSections;
}
set {
_hasRowSections = value;
}
}
///
/// Gets or sets the horizontal alignment of the table within the page.
///
[
WebCategory("Layout"),
DefaultValue(HorizontalAlign.NotSet),
WebSysDescription(SR.Table_HorizontalAlign)
]
public virtual HorizontalAlign HorizontalAlign {
get {
if (ControlStyleCreated == false) {
return HorizontalAlign.NotSet;
}
return((TableStyle)ControlStyle).HorizontalAlign;
}
set {
((TableStyle)ControlStyle).HorizontalAlign = value;
}
}
///
/// Gets the collection of rows within
/// the table.
///
[
MergableProperty(false),
WebSysDescription(SR.Table_Rows),
PersistenceMode(PersistenceMode.InnerDefaultProperty)
]
public virtual TableRowCollection Rows {
get {
if (_rows == null)
_rows = new TableRowCollection(this);
return _rows;
}
}
///
/// A protected method. Adds information about the border
/// color and border width HTML attributes to the list of attributes to render.
///
protected override void AddAttributesToRender(HtmlTextWriter writer) {
base.AddAttributesToRender(writer);
string borderWidthString = "0";
if (ControlStyleCreated) {
if (EnableLegacyRendering || writer is Html32TextWriter) {
// Must render bordercolor attribute to affect cell borders.
Color borderColor = BorderColor;
if (!borderColor.IsEmpty) {
writer.AddAttribute(HtmlTextWriterAttribute.Bordercolor, ColorTranslator.ToHtml(borderColor));
}
}
// GridLines property controls whether we render the "border" attribute, as "border" controls
// whether gridlines appear in HTML 3.2. Always render a value for the border attribute.
Unit borderWidth = BorderWidth;
GridLines gridLines= GridLines;
if (gridLines != GridLines.None) {
if (borderWidth.IsEmpty || borderWidth.Type != UnitType.Pixel) {
borderWidthString = "1";
}
else {
borderWidthString = ((int)borderWidth.Value).ToString(NumberFormatInfo.InvariantInfo);
}
}
}
writer.AddAttribute(HtmlTextWriterAttribute.Border, borderWidthString);
}
///
/// [To be supplied.]
///
protected override ControlCollection CreateControlCollection() {
return new RowControlCollection(this);
}
///
/// A protected method. Creates a table control style.
///
protected override Style CreateControlStyle() {
return new TableStyle(ViewState);
}
///
/// [To be supplied.]
///
protected virtual void RaisePostBackEvent(string argument) {
ValidateEvent(UniqueID, argument);
if(_adapter != null) {
IPostBackEventHandler pbeh = _adapter as IPostBackEventHandler;
if (pbeh != null) {
pbeh.RaisePostBackEvent(argument);
}
}
}
///
/// Renders out the caption of the table if needed, before any rows get rendered.
///
public override void RenderBeginTag(HtmlTextWriter writer) {
base.RenderBeginTag(writer);
string caption = Caption;
if (caption.Length != 0) {
TableCaptionAlign alignment = CaptionAlign;
if (alignment != TableCaptionAlign.NotSet) {
string alignValue = "Right";
switch (alignment) {
case TableCaptionAlign.Top:
alignValue = "Top";
break;
case TableCaptionAlign.Bottom:
alignValue = "Bottom";
break;
case TableCaptionAlign.Left:
alignValue = "Left";
break;
}
writer.AddAttribute(HtmlTextWriterAttribute.Align, alignValue);
}
writer.RenderBeginTag(HtmlTextWriterTag.Caption);
writer.Write(caption);
writer.RenderEndTag();
}
}
///
/// Render the table rows.
///
protected internal override void RenderContents(HtmlTextWriter writer) {
TableRowCollection rows = Rows;
int rowCount = rows.Count;
if (rowCount > 0) {
if (HasRowSections) {
TableRowSection currentSection = TableRowSection.TableHeader;
bool openedTag = false;
foreach (TableRow row in rows) {
if (row.TableSection < currentSection) {
// throw if table sections aren't in order
throw new HttpException(SR.GetString(SR.Table_SectionsMustBeInOrder, ID));
}
if (currentSection < row.TableSection || (row.TableSection == TableRowSection.TableHeader && !openedTag)) {
if (openedTag) {
writer.RenderEndTag();
}
currentSection = row.TableSection;
openedTag = true;
switch (currentSection) {
case TableRowSection.TableHeader:
writer.RenderBeginTag(HtmlTextWriterTag.Thead);
break;
case TableRowSection.TableBody:
writer.RenderBeginTag(HtmlTextWriterTag.Tbody);
break;
case TableRowSection.TableFooter:
writer.RenderBeginTag(HtmlTextWriterTag.Tfoot);
break;
}
}
row.RenderControl(writer);
}
writer.RenderEndTag();
}
else {
foreach (TableRow row in rows) {
row.RenderControl(writer);
}
}
}
}
void IPostBackEventHandler.RaisePostBackEvent(string eventArgument) {
RaisePostBackEvent(eventArgument);
}
///
/// [To be supplied.]
///
protected class RowControlCollection : ControlCollection {
internal RowControlCollection (Control owner) : base(owner) {
}
///
/// Adds the specified
///
public override void Add(Control child) {
if (child is TableRow)
base.Add(child);
else
throw new ArgumentException(SR.GetString(SR.Cannot_Have_Children_Of_Type, "Table", child.GetType().Name.ToString(CultureInfo.InvariantCulture))); // throw an exception here
}
///
/// Adds the specified
///
public override void AddAt(int index, Control child) {
if (child is TableRow)
base.AddAt(index, child);
else
throw new ArgumentException(SR.GetString(SR.Cannot_Have_Children_Of_Type, "Table", child.GetType().Name.ToString(CultureInfo.InvariantCulture))); // throw an exception here
}
} // class RowControlCollection
} // class Table
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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