Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / UI / WebParts / WebZone.cs / 1305376 / WebZone.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.UI.WebControls.WebParts {
using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Design;
using System.Globalization;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.Util;
///
/// Base class for all zone classes in the WebPart framework. Contains properties used to control the UI
/// which is common to all zone classes.
///
[
Designer("System.Web.UI.Design.WebControls.WebParts.WebZoneDesigner, " + AssemblyRef.SystemDesign),
Bindable(false),
]
public abstract class WebZone : CompositeControl {
private WebPartManager _webPartManager;
private const int baseIndex = 0;
private const int emptyZoneTextStyleIndex = 1;
private const int footerStyleIndex = 2;
private const int partStyleIndex = 3;
private const int partChromeStyleIndex = 4;
private const int partTitleStyleIndex = 5;
private const int headerStyleIndex = 6;
private const int verbStyleIndex = 7;
private const int errorStyleIndex = 8;
private const int viewStateArrayLength = 9;
private Style _emptyZoneTextStyle;
private TitleStyle _footerStyle;
private TableStyle _partStyle;
private Style _partChromeStyle;
private TitleStyle _partTitleStyle;
private TitleStyle _headerStyle;
private Style _verbStyle;
private Style _errorStyle;
// Prevent class from being subclassed outside of our assembly
internal WebZone() {
}
///
/// The URL of the background image for the control.
///
[
DefaultValue(""),
Editor("System.Web.UI.Design.ImageUrlEditor, " + AssemblyRef.SystemDesign, typeof(UITypeEditor)),
UrlProperty(),
WebCategory("Appearance"),
WebSysDescription(SR.WebControl_BackImageUrl)
]
public virtual string BackImageUrl {
get {
string s = (string)ViewState["BackImageUrl"];
return((s == null) ? String.Empty : s);
}
set {
ViewState["BackImageUrl"] = value;
}
}
[
// Must use WebSysDefaultValue instead of DefaultValue, since it is overridden in extending classes
Localizable(true),
WebSysDefaultValue(""),
WebCategory("Behavior"),
WebSysDescription(SR.Zone_EmptyZoneText),
]
public virtual string EmptyZoneText {
get {
string s = (string)ViewState["EmptyZoneText"];
return((s == null) ? String.Empty : s);
}
set {
ViewState["EmptyZoneText"] = value;
}
}
[
DefaultValue(null),
NotifyParentProperty(true),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
PersistenceMode(PersistenceMode.InnerProperty),
WebCategory("Styles"),
WebSysDescription(SR.Zone_EmptyZoneTextStyle),
]
public Style EmptyZoneTextStyle {
get {
if (_emptyZoneTextStyle == null) {
_emptyZoneTextStyle = new Style();
if (IsTrackingViewState) {
((IStateManager)_emptyZoneTextStyle).TrackViewState();
}
}
return _emptyZoneTextStyle;
}
}
[
DefaultValue(null),
NotifyParentProperty(true),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
PersistenceMode(PersistenceMode.InnerProperty),
WebCategory("Styles"),
WebSysDescription(SR.Zone_ErrorStyle),
]
public Style ErrorStyle {
get {
if (_errorStyle == null) {
_errorStyle = new ErrorStyle();
if (IsTrackingViewState) {
((IStateManager)_errorStyle).TrackViewState();
}
}
return _errorStyle;
}
}
///
/// Style for the footer of the zone.
///
[
DefaultValue(null),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty),
WebCategory("Styles"),
WebSysDescription(SR.Zone_FooterStyle)
]
public TitleStyle FooterStyle {
get {
if (_footerStyle == null) {
_footerStyle = new TitleStyle();
if (IsTrackingViewState) {
((IStateManager)_footerStyle).TrackViewState();
}
}
return _footerStyle;
}
}
protected virtual bool HasFooter {
get {
return true;
}
}
protected virtual bool HasHeader {
get {
return true;
}
}
///
/// The header text of the zone.
///
[
// Must use WebSysDefaultValue instead of DefaultValue, since it is overridden in extending classes
Localizable(true),
WebSysDefaultValue(""),
WebCategory("Appearance"),
WebSysDescription(SR.Zone_HeaderText)
]
public virtual string HeaderText {
get {
string s = (string)ViewState["HeaderText"];
return((s == null) ? String.Empty : s);
}
set {
ViewState["HeaderText"] = value;
}
}
///
/// Style for the title bar of the zone.
///
[
DefaultValue(null),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty),
WebCategory("Styles"),
WebSysDescription(SR.Zone_HeaderStyle)
]
public TitleStyle HeaderStyle {
get {
if (_headerStyle == null) {
_headerStyle = new TitleStyle();
if (IsTrackingViewState) {
((IStateManager)_headerStyle).TrackViewState();
}
}
return _headerStyle;
}
}
///
/// Padding for the contained parts.
///
[
DefaultValue(typeof(Unit), "5px"),
WebCategory("WebPart"),
WebSysDescription(SR.Zone_PartChromePadding)
]
public Unit PartChromePadding {
get {
object obj = ViewState["PartChromePadding"];
return (obj == null) ? Unit.Pixel(5) : (Unit)obj;
}
set {
if (value.Value < 0) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["PartChromePadding"] = value;
}
}
///
/// Style for the contained parts.
///
[
DefaultValue(null),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty),
WebCategory("WebPart"),
WebSysDescription(SR.Zone_PartChromeStyle)
]
public Style PartChromeStyle {
get {
if (_partChromeStyle == null) {
_partChromeStyle = new Style();
if (IsTrackingViewState) {
((IStateManager)_partChromeStyle).TrackViewState();
}
}
return _partChromeStyle;
}
}
///
/// The type of frame/border for the contained parts.
///
[
DefaultValue(PartChromeType.Default),
WebCategory("WebPart"),
WebSysDescription(SR.Zone_PartChromeType)
]
public virtual PartChromeType PartChromeType {
get {
object o = ViewState["PartChromeType"];
return (o != null) ? (PartChromeType)(int)o : PartChromeType.Default;
}
set {
if ((value < PartChromeType.Default) || (value > PartChromeType.BorderOnly)) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["PartChromeType"] = (int)value;
}
}
///
/// Style for the contents of the contained parts.
///
[
DefaultValue(null),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty),
WebCategory("WebPart"),
WebSysDescription(SR.Zone_PartStyle)
]
public TableStyle PartStyle {
get {
if (_partStyle == null) {
_partStyle = new TableStyle();
if (IsTrackingViewState) {
((IStateManager)_partStyle).TrackViewState();
}
}
return _partStyle;
}
}
///
/// Style for the title bars of the contained parts.
///
[
DefaultValue(null),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty),
WebCategory("WebPart"),
WebSysDescription(SR.Zone_PartTitleStyle)
]
public TitleStyle PartTitleStyle {
get {
if (_partTitleStyle == null) {
_partTitleStyle = new TitleStyle();
if (IsTrackingViewState) {
((IStateManager)_partTitleStyle).TrackViewState();
}
}
return _partTitleStyle;
}
}
protected override HtmlTextWriterTag TagKey {
get {
return HtmlTextWriterTag.Table;
}
}
// Padding = -1 means we will not render anything for the cellpadding attribute
[
DefaultValue(2),
WebCategory("Layout"),
WebSysDescription(SR.Zone_Padding),
]
public virtual int Padding {
get {
object obj = ViewState["Padding"];
return (obj == null) ? 2 : (int) obj;
}
set {
if (value < -1) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["Padding"] = value;
}
}
// Called by WebPartZoneBase, EditorZoneBase, CatalogZoneBase, and ConnectionsZone.
internal void RenderBodyTableBeginTag(HtmlTextWriter writer) {
//
writer.AddAttribute(HtmlTextWriterAttribute.Cellspacing, "0");
int padding = Padding;
if (padding >= 0) {
writer.AddAttribute(HtmlTextWriterAttribute.Cellpadding, padding.ToString(CultureInfo.InvariantCulture));
}
writer.AddAttribute(HtmlTextWriterAttribute.Border, "0");
// Copied from Panel.cs
//
string backImageUrl = BackImageUrl;
// Whidbey 12856
if (backImageUrl.Trim().Length > 0)
writer.AddStyleAttribute(HtmlTextWriterStyle.BackgroundImage,"url(" + ResolveClientUrl(backImageUrl) + ")");
// Needed if Zone HeaderText is wider than contained Parts
writer.AddStyleAttribute(HtmlTextWriterStyle.Width, "100%");
// Needed if the height of the Zone is taller than the height of its contents
writer.AddStyleAttribute(HtmlTextWriterStyle.Height, "100%");
writer.RenderBeginTag(HtmlTextWriterTag.Table);
}
// Called by WebPartZoneBase, EditorZoneBase, CatalogZoneBase, and ConnectionsZone.
internal static void RenderBodyTableEndTag(HtmlTextWriter writer) {
writer.RenderEndTag(); // Table
}
// Called by WebPartZoneBase, EditorZoneBase, and CatalogZoneBase.
internal void RenderDesignerRegionBeginTag(HtmlTextWriter writer, Orientation orientation) {
writer.AddAttribute(HtmlTextWriterAttribute.Valign, "top");
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
if (orientation == Orientation.Horizontal) {
writer.AddStyleAttribute(HtmlTextWriterStyle.WhiteSpace, "nowrap");
}
writer.AddAttribute(HtmlTextWriterAttribute.DesignerRegion, "0");
writer.RenderBeginTag(HtmlTextWriterTag.Td);
writer.AddAttribute(HtmlTextWriterAttribute.Cellspacing, "0");
writer.AddAttribute(HtmlTextWriterAttribute.Cellpadding, Padding.ToString(CultureInfo.InvariantCulture));
writer.AddAttribute(HtmlTextWriterAttribute.Border, "0");
if (orientation == Orientation.Vertical) {
writer.AddStyleAttribute(HtmlTextWriterStyle.Width, "100%");
}
else {
writer.AddStyleAttribute(HtmlTextWriterStyle.Height, "100%");
}
writer.RenderBeginTag(HtmlTextWriterTag.Table);
}
// Called by WebPartZoneBase, EditorZoneBase, and CatalogZoneBase.
internal static void RenderDesignerRegionEndTag(HtmlTextWriter writer) {
writer.RenderEndTag(); // Table
writer.RenderEndTag(); // Td
writer.RenderEndTag(); // Tr
}
protected internal bool RenderClientScript {
get {
bool renderClientScript = false;
if (DesignMode) {
renderClientScript = true;
}
else if (WebPartManager != null) {
renderClientScript = WebPartManager.RenderClientScript;
}
return renderClientScript;
}
}
///
/// The type of the button rendered for each verb.
///
[
DefaultValue(ButtonType.Button),
WebCategory("Appearance"),
WebSysDescription(SR.Zone_VerbButtonType),
]
public virtual ButtonType VerbButtonType {
get {
object obj = ViewState["VerbButtonType"];
return (obj == null) ? ButtonType.Button : (ButtonType)obj;
}
set {
if (value < ButtonType.Button || value > ButtonType.Link) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["VerbButtonType"] = value;
}
}
[
DefaultValue(null),
NotifyParentProperty(true),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
PersistenceMode(PersistenceMode.InnerProperty),
WebCategory("Styles"),
WebSysDescription(SR.Zone_VerbStyle),
]
public Style VerbStyle {
get {
if (_verbStyle == null) {
_verbStyle = new Style();
if (IsTrackingViewState) {
((IStateManager)_verbStyle).TrackViewState();
}
}
return _verbStyle;
}
}
///
/// The effective chrome type of a part, taking into consideration the PartChromeType
/// of the zone and the DisplayMode of the page.
///
public virtual PartChromeType GetEffectiveChromeType(Part part) {
if (part == null) {
throw new ArgumentNullException("part");
}
PartChromeType chromeType = part.ChromeType;
if (chromeType == PartChromeType.Default) {
PartChromeType partChromeType = PartChromeType;
if (partChromeType == PartChromeType.Default) {
chromeType = PartChromeType.TitleAndBorder;
}
else {
chromeType = partChromeType;
}
}
Debug.Assert(chromeType != PartChromeType.Default);
return chromeType;
}
protected override void LoadViewState(object savedState) {
if (savedState == null) {
base.LoadViewState(null);
}
else {
object[] myState = (object[]) savedState;
if (myState.Length != viewStateArrayLength) {
throw new ArgumentException(SR.GetString(SR.ViewState_InvalidViewState));
}
base.LoadViewState(myState[baseIndex]);
if (myState[emptyZoneTextStyleIndex] != null) {
((IStateManager) EmptyZoneTextStyle).LoadViewState(myState[emptyZoneTextStyleIndex]);
}
if (myState[footerStyleIndex] != null) {
((IStateManager) FooterStyle).LoadViewState(myState[footerStyleIndex]);
}
if (myState[partStyleIndex] != null) {
((IStateManager) PartStyle).LoadViewState(myState[partStyleIndex]);
}
if (myState[partChromeStyleIndex] != null) {
((IStateManager) PartChromeStyle).LoadViewState(myState[partChromeStyleIndex]);
}
if (myState[partTitleStyleIndex] != null) {
((IStateManager) PartTitleStyle).LoadViewState(myState[partTitleStyleIndex]);
}
if (myState[headerStyleIndex] != null) {
((IStateManager) HeaderStyle).LoadViewState(myState[headerStyleIndex]);
}
if (myState[verbStyleIndex] != null) {
((IStateManager) VerbStyle).LoadViewState(myState[verbStyleIndex]);
}
if (myState[errorStyleIndex] != null) {
((IStateManager) ErrorStyle).LoadViewState(myState[errorStyleIndex]);
}
}
}
protected internal override void OnInit(EventArgs e) {
base.OnInit(e);
Page page = Page;
Debug.Assert(page != null);
if (page != null) {
if (page.ControlState >= ControlState.Initialized && !DesignMode) {
throw new InvalidOperationException(SR.GetString(SR.Zone_AddedTooLate));
}
if (!DesignMode) {
_webPartManager = WebPartManager.GetCurrentWebPartManager(page);
if (_webPartManager == null) {
throw new InvalidOperationException(SR.GetString(SR.WebPartManagerRequired));
}
_webPartManager.RegisterZone(this);
}
}
}
protected internal override void OnPreRender(EventArgs e) {
base.OnPreRender(e);
Control parent = Parent;
Debug.Assert(parent != null);
if (parent != null && (parent is WebZone || parent is Part)) {
throw new InvalidOperationException(SR.GetString(SR.Zone_InvalidParent));
}
}
public override void RenderBeginTag(HtmlTextWriter writer) {
writer.AddAttribute(HtmlTextWriterAttribute.Cellspacing, "0");
writer.AddAttribute(HtmlTextWriterAttribute.Cellpadding, "0");
writer.AddAttribute(HtmlTextWriterAttribute.Border, "0");
// On Mac IE, if height is not set, render height:1px, so the table sizes to contents.
// Otherwise, Mac IE may give the table an arbitrary height (equal to the width of its contents).
if (!DesignMode &&
Page != null &&
Page.Request.Browser.Type == "IE5" &&
Page.Request.Browser.Platform == "MacPPC" &&
(!ControlStyleCreated || ControlStyle.Height == Unit.Empty)) {
writer.AddStyleAttribute(HtmlTextWriterStyle.Height, "1px");
}
// Render
base.RenderBeginTag(writer);
}
protected internal override void RenderContents(HtmlTextWriter writer) {
if (HasHeader) {
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
TitleStyle headerStyle = HeaderStyle;
if (!headerStyle.IsEmpty) {
headerStyle.AddAttributesToRender(writer, this);
}
writer.RenderBeginTag(HtmlTextWriterTag.Td);
RenderHeader(writer);
writer.RenderEndTag(); // Td
writer.RenderEndTag(); // Tr
}
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
// We want the body to fill the height of the zone, and squish the header and footer
// to the size of their contents
// Mac IE needs height=100% set on | instead of |
writer.AddStyleAttribute(HtmlTextWriterStyle.Height, "100%");
writer.RenderBeginTag(HtmlTextWriterTag.Td);
RenderBody(writer);
writer.RenderEndTag(); // Td
writer.RenderEndTag(); // Tr
if (HasFooter) {
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
TitleStyle footerStyle = FooterStyle;
if (!footerStyle.IsEmpty) {
footerStyle.AddAttributesToRender(writer, this);
}
writer.RenderBeginTag(HtmlTextWriterTag.Td);
RenderFooter(writer);
writer.RenderEndTag(); // Td
writer.RenderEndTag(); // Tr
}
}
protected virtual void RenderHeader(HtmlTextWriter writer) {
}
protected virtual void RenderBody(HtmlTextWriter writer) {
}
protected virtual void RenderFooter(HtmlTextWriter writer) {
}
protected override object SaveViewState() {
object[] myState = new object[viewStateArrayLength];
myState[baseIndex] = base.SaveViewState();
myState[emptyZoneTextStyleIndex] = (_emptyZoneTextStyle != null) ? ((IStateManager)_emptyZoneTextStyle).SaveViewState() : null;
myState[footerStyleIndex] = (_footerStyle != null) ? ((IStateManager)_footerStyle).SaveViewState() : null;
myState[partStyleIndex] = (_partStyle != null) ? ((IStateManager)_partStyle).SaveViewState() : null;
myState[partChromeStyleIndex] = (_partChromeStyle != null) ? ((IStateManager)_partChromeStyle).SaveViewState() : null;
myState[partTitleStyleIndex] = (_partTitleStyle != null) ? ((IStateManager)_partTitleStyle).SaveViewState() : null;
myState[headerStyleIndex] = (_headerStyle != null) ? ((IStateManager)_headerStyle).SaveViewState() : null;
myState[verbStyleIndex] = (_verbStyle != null) ? ((IStateManager)_verbStyle).SaveViewState() : null;
myState[errorStyleIndex] = (_errorStyle != null) ? ((IStateManager)_errorStyle).SaveViewState() : null;
for (int i=0; i < viewStateArrayLength; i++) {
if (myState[i] != null) {
return myState;
}
}
// More performant to return null than an array of null values
return null;
}
protected override void TrackViewState() {
base.TrackViewState();
if (_emptyZoneTextStyle != null) {
((IStateManager) _emptyZoneTextStyle).TrackViewState();
}
if (_footerStyle != null) {
((IStateManager) _footerStyle).TrackViewState();
}
if (_partStyle != null) {
((IStateManager) _partStyle).TrackViewState();
}
if (_partChromeStyle != null) {
((IStateManager) _partChromeStyle).TrackViewState();
}
if (_partTitleStyle != null) {
((IStateManager) _partTitleStyle).TrackViewState();
}
if (_headerStyle != null) {
((IStateManager) _headerStyle).TrackViewState();
}
if (_verbStyle != null) {
((IStateManager) _verbStyle).TrackViewState();
}
if (_errorStyle != null) {
((IStateManager) _errorStyle).TrackViewState();
}
}
protected WebPartManager WebPartManager {
get {
return _webPartManager;
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.UI.WebControls.WebParts {
using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Design;
using System.Globalization;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.Util;
///
/// Base class for all zone classes in the WebPart framework. Contains properties used to control the UI
/// which is common to all zone classes.
///
[
Designer("System.Web.UI.Design.WebControls.WebParts.WebZoneDesigner, " + AssemblyRef.SystemDesign),
Bindable(false),
]
public abstract class WebZone : CompositeControl {
private WebPartManager _webPartManager;
private const int baseIndex = 0;
private const int emptyZoneTextStyleIndex = 1;
private const int footerStyleIndex = 2;
private const int partStyleIndex = 3;
private const int partChromeStyleIndex = 4;
private const int partTitleStyleIndex = 5;
private const int headerStyleIndex = 6;
private const int verbStyleIndex = 7;
private const int errorStyleIndex = 8;
private const int viewStateArrayLength = 9;
private Style _emptyZoneTextStyle;
private TitleStyle _footerStyle;
private TableStyle _partStyle;
private Style _partChromeStyle;
private TitleStyle _partTitleStyle;
private TitleStyle _headerStyle;
private Style _verbStyle;
private Style _errorStyle;
// Prevent class from being subclassed outside of our assembly
internal WebZone() {
}
///
/// The URL of the background image for the control.
///
[
DefaultValue(""),
Editor("System.Web.UI.Design.ImageUrlEditor, " + AssemblyRef.SystemDesign, typeof(UITypeEditor)),
UrlProperty(),
WebCategory("Appearance"),
WebSysDescription(SR.WebControl_BackImageUrl)
]
public virtual string BackImageUrl {
get {
string s = (string)ViewState["BackImageUrl"];
return((s == null) ? String.Empty : s);
}
set {
ViewState["BackImageUrl"] = value;
}
}
[
// Must use WebSysDefaultValue instead of DefaultValue, since it is overridden in extending classes
Localizable(true),
WebSysDefaultValue(""),
WebCategory("Behavior"),
WebSysDescription(SR.Zone_EmptyZoneText),
]
public virtual string EmptyZoneText {
get {
string s = (string)ViewState["EmptyZoneText"];
return((s == null) ? String.Empty : s);
}
set {
ViewState["EmptyZoneText"] = value;
}
}
[
DefaultValue(null),
NotifyParentProperty(true),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
PersistenceMode(PersistenceMode.InnerProperty),
WebCategory("Styles"),
WebSysDescription(SR.Zone_EmptyZoneTextStyle),
]
public Style EmptyZoneTextStyle {
get {
if (_emptyZoneTextStyle == null) {
_emptyZoneTextStyle = new Style();
if (IsTrackingViewState) {
((IStateManager)_emptyZoneTextStyle).TrackViewState();
}
}
return _emptyZoneTextStyle;
}
}
[
DefaultValue(null),
NotifyParentProperty(true),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
PersistenceMode(PersistenceMode.InnerProperty),
WebCategory("Styles"),
WebSysDescription(SR.Zone_ErrorStyle),
]
public Style ErrorStyle {
get {
if (_errorStyle == null) {
_errorStyle = new ErrorStyle();
if (IsTrackingViewState) {
((IStateManager)_errorStyle).TrackViewState();
}
}
return _errorStyle;
}
}
///
/// Style for the footer of the zone.
///
[
DefaultValue(null),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty),
WebCategory("Styles"),
WebSysDescription(SR.Zone_FooterStyle)
]
public TitleStyle FooterStyle {
get {
if (_footerStyle == null) {
_footerStyle = new TitleStyle();
if (IsTrackingViewState) {
((IStateManager)_footerStyle).TrackViewState();
}
}
return _footerStyle;
}
}
protected virtual bool HasFooter {
get {
return true;
}
}
protected virtual bool HasHeader {
get {
return true;
}
}
///
/// The header text of the zone.
///
[
// Must use WebSysDefaultValue instead of DefaultValue, since it is overridden in extending classes
Localizable(true),
WebSysDefaultValue(""),
WebCategory("Appearance"),
WebSysDescription(SR.Zone_HeaderText)
]
public virtual string HeaderText {
get {
string s = (string)ViewState["HeaderText"];
return((s == null) ? String.Empty : s);
}
set {
ViewState["HeaderText"] = value;
}
}
///
/// Style for the title bar of the zone.
///
[
DefaultValue(null),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty),
WebCategory("Styles"),
WebSysDescription(SR.Zone_HeaderStyle)
]
public TitleStyle HeaderStyle {
get {
if (_headerStyle == null) {
_headerStyle = new TitleStyle();
if (IsTrackingViewState) {
((IStateManager)_headerStyle).TrackViewState();
}
}
return _headerStyle;
}
}
///
/// Padding for the contained parts.
///
[
DefaultValue(typeof(Unit), "5px"),
WebCategory("WebPart"),
WebSysDescription(SR.Zone_PartChromePadding)
]
public Unit PartChromePadding {
get {
object obj = ViewState["PartChromePadding"];
return (obj == null) ? Unit.Pixel(5) : (Unit)obj;
}
set {
if (value.Value < 0) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["PartChromePadding"] = value;
}
}
///
/// Style for the contained parts.
///
[
DefaultValue(null),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty),
WebCategory("WebPart"),
WebSysDescription(SR.Zone_PartChromeStyle)
]
public Style PartChromeStyle {
get {
if (_partChromeStyle == null) {
_partChromeStyle = new Style();
if (IsTrackingViewState) {
((IStateManager)_partChromeStyle).TrackViewState();
}
}
return _partChromeStyle;
}
}
///
/// The type of frame/border for the contained parts.
///
[
DefaultValue(PartChromeType.Default),
WebCategory("WebPart"),
WebSysDescription(SR.Zone_PartChromeType)
]
public virtual PartChromeType PartChromeType {
get {
object o = ViewState["PartChromeType"];
return (o != null) ? (PartChromeType)(int)o : PartChromeType.Default;
}
set {
if ((value < PartChromeType.Default) || (value > PartChromeType.BorderOnly)) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["PartChromeType"] = (int)value;
}
}
///
/// Style for the contents of the contained parts.
///
[
DefaultValue(null),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty),
WebCategory("WebPart"),
WebSysDescription(SR.Zone_PartStyle)
]
public TableStyle PartStyle {
get {
if (_partStyle == null) {
_partStyle = new TableStyle();
if (IsTrackingViewState) {
((IStateManager)_partStyle).TrackViewState();
}
}
return _partStyle;
}
}
///
/// Style for the title bars of the contained parts.
///
[
DefaultValue(null),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty),
WebCategory("WebPart"),
WebSysDescription(SR.Zone_PartTitleStyle)
]
public TitleStyle PartTitleStyle {
get {
if (_partTitleStyle == null) {
_partTitleStyle = new TitleStyle();
if (IsTrackingViewState) {
((IStateManager)_partTitleStyle).TrackViewState();
}
}
return _partTitleStyle;
}
}
protected override HtmlTextWriterTag TagKey {
get {
return HtmlTextWriterTag.Table;
}
}
// Padding = -1 means we will not render anything for the cellpadding attribute
[
DefaultValue(2),
WebCategory("Layout"),
WebSysDescription(SR.Zone_Padding),
]
public virtual int Padding {
get {
object obj = ViewState["Padding"];
return (obj == null) ? 2 : (int) obj;
}
set {
if (value < -1) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["Padding"] = value;
}
}
// Called by WebPartZoneBase, EditorZoneBase, CatalogZoneBase, and ConnectionsZone.
internal void RenderBodyTableBeginTag(HtmlTextWriter writer) {
//
writer.AddAttribute(HtmlTextWriterAttribute.Cellspacing, "0");
int padding = Padding;
if (padding >= 0) {
writer.AddAttribute(HtmlTextWriterAttribute.Cellpadding, padding.ToString(CultureInfo.InvariantCulture));
}
writer.AddAttribute(HtmlTextWriterAttribute.Border, "0");
// Copied from Panel.cs
//
string backImageUrl = BackImageUrl;
// Whidbey 12856
if (backImageUrl.Trim().Length > 0)
writer.AddStyleAttribute(HtmlTextWriterStyle.BackgroundImage,"url(" + ResolveClientUrl(backImageUrl) + ")");
// Needed if Zone HeaderText is wider than contained Parts
writer.AddStyleAttribute(HtmlTextWriterStyle.Width, "100%");
// Needed if the height of the Zone is taller than the height of its contents
writer.AddStyleAttribute(HtmlTextWriterStyle.Height, "100%");
writer.RenderBeginTag(HtmlTextWriterTag.Table);
}
// Called by WebPartZoneBase, EditorZoneBase, CatalogZoneBase, and ConnectionsZone.
internal static void RenderBodyTableEndTag(HtmlTextWriter writer) {
writer.RenderEndTag(); // Table
}
// Called by WebPartZoneBase, EditorZoneBase, and CatalogZoneBase.
internal void RenderDesignerRegionBeginTag(HtmlTextWriter writer, Orientation orientation) {
writer.AddAttribute(HtmlTextWriterAttribute.Valign, "top");
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
if (orientation == Orientation.Horizontal) {
writer.AddStyleAttribute(HtmlTextWriterStyle.WhiteSpace, "nowrap");
}
writer.AddAttribute(HtmlTextWriterAttribute.DesignerRegion, "0");
writer.RenderBeginTag(HtmlTextWriterTag.Td);
writer.AddAttribute(HtmlTextWriterAttribute.Cellspacing, "0");
writer.AddAttribute(HtmlTextWriterAttribute.Cellpadding, Padding.ToString(CultureInfo.InvariantCulture));
writer.AddAttribute(HtmlTextWriterAttribute.Border, "0");
if (orientation == Orientation.Vertical) {
writer.AddStyleAttribute(HtmlTextWriterStyle.Width, "100%");
}
else {
writer.AddStyleAttribute(HtmlTextWriterStyle.Height, "100%");
}
writer.RenderBeginTag(HtmlTextWriterTag.Table);
}
// Called by WebPartZoneBase, EditorZoneBase, and CatalogZoneBase.
internal static void RenderDesignerRegionEndTag(HtmlTextWriter writer) {
writer.RenderEndTag(); // Table
writer.RenderEndTag(); // Td
writer.RenderEndTag(); // Tr
}
protected internal bool RenderClientScript {
get {
bool renderClientScript = false;
if (DesignMode) {
renderClientScript = true;
}
else if (WebPartManager != null) {
renderClientScript = WebPartManager.RenderClientScript;
}
return renderClientScript;
}
}
///
/// The type of the button rendered for each verb.
///
[
DefaultValue(ButtonType.Button),
WebCategory("Appearance"),
WebSysDescription(SR.Zone_VerbButtonType),
]
public virtual ButtonType VerbButtonType {
get {
object obj = ViewState["VerbButtonType"];
return (obj == null) ? ButtonType.Button : (ButtonType)obj;
}
set {
if (value < ButtonType.Button || value > ButtonType.Link) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["VerbButtonType"] = value;
}
}
[
DefaultValue(null),
NotifyParentProperty(true),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
PersistenceMode(PersistenceMode.InnerProperty),
WebCategory("Styles"),
WebSysDescription(SR.Zone_VerbStyle),
]
public Style VerbStyle {
get {
if (_verbStyle == null) {
_verbStyle = new Style();
if (IsTrackingViewState) {
((IStateManager)_verbStyle).TrackViewState();
}
}
return _verbStyle;
}
}
///
/// The effective chrome type of a part, taking into consideration the PartChromeType
/// of the zone and the DisplayMode of the page.
///
public virtual PartChromeType GetEffectiveChromeType(Part part) {
if (part == null) {
throw new ArgumentNullException("part");
}
PartChromeType chromeType = part.ChromeType;
if (chromeType == PartChromeType.Default) {
PartChromeType partChromeType = PartChromeType;
if (partChromeType == PartChromeType.Default) {
chromeType = PartChromeType.TitleAndBorder;
}
else {
chromeType = partChromeType;
}
}
Debug.Assert(chromeType != PartChromeType.Default);
return chromeType;
}
protected override void LoadViewState(object savedState) {
if (savedState == null) {
base.LoadViewState(null);
}
else {
object[] myState = (object[]) savedState;
if (myState.Length != viewStateArrayLength) {
throw new ArgumentException(SR.GetString(SR.ViewState_InvalidViewState));
}
base.LoadViewState(myState[baseIndex]);
if (myState[emptyZoneTextStyleIndex] != null) {
((IStateManager) EmptyZoneTextStyle).LoadViewState(myState[emptyZoneTextStyleIndex]);
}
if (myState[footerStyleIndex] != null) {
((IStateManager) FooterStyle).LoadViewState(myState[footerStyleIndex]);
}
if (myState[partStyleIndex] != null) {
((IStateManager) PartStyle).LoadViewState(myState[partStyleIndex]);
}
if (myState[partChromeStyleIndex] != null) {
((IStateManager) PartChromeStyle).LoadViewState(myState[partChromeStyleIndex]);
}
if (myState[partTitleStyleIndex] != null) {
((IStateManager) PartTitleStyle).LoadViewState(myState[partTitleStyleIndex]);
}
if (myState[headerStyleIndex] != null) {
((IStateManager) HeaderStyle).LoadViewState(myState[headerStyleIndex]);
}
if (myState[verbStyleIndex] != null) {
((IStateManager) VerbStyle).LoadViewState(myState[verbStyleIndex]);
}
if (myState[errorStyleIndex] != null) {
((IStateManager) ErrorStyle).LoadViewState(myState[errorStyleIndex]);
}
}
}
protected internal override void OnInit(EventArgs e) {
base.OnInit(e);
Page page = Page;
Debug.Assert(page != null);
if (page != null) {
if (page.ControlState >= ControlState.Initialized && !DesignMode) {
throw new InvalidOperationException(SR.GetString(SR.Zone_AddedTooLate));
}
if (!DesignMode) {
_webPartManager = WebPartManager.GetCurrentWebPartManager(page);
if (_webPartManager == null) {
throw new InvalidOperationException(SR.GetString(SR.WebPartManagerRequired));
}
_webPartManager.RegisterZone(this);
}
}
}
protected internal override void OnPreRender(EventArgs e) {
base.OnPreRender(e);
Control parent = Parent;
Debug.Assert(parent != null);
if (parent != null && (parent is WebZone || parent is Part)) {
throw new InvalidOperationException(SR.GetString(SR.Zone_InvalidParent));
}
}
public override void RenderBeginTag(HtmlTextWriter writer) {
writer.AddAttribute(HtmlTextWriterAttribute.Cellspacing, "0");
writer.AddAttribute(HtmlTextWriterAttribute.Cellpadding, "0");
writer.AddAttribute(HtmlTextWriterAttribute.Border, "0");
// On Mac IE, if height is not set, render height:1px, so the table sizes to contents.
// Otherwise, Mac IE may give the table an arbitrary height (equal to the width of its contents).
if (!DesignMode &&
Page != null &&
Page.Request.Browser.Type == "IE5" &&
Page.Request.Browser.Platform == "MacPPC" &&
(!ControlStyleCreated || ControlStyle.Height == Unit.Empty)) {
writer.AddStyleAttribute(HtmlTextWriterStyle.Height, "1px");
}
// Render
base.RenderBeginTag(writer);
}
protected internal override void RenderContents(HtmlTextWriter writer) {
if (HasHeader) {
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
TitleStyle headerStyle = HeaderStyle;
if (!headerStyle.IsEmpty) {
headerStyle.AddAttributesToRender(writer, this);
}
writer.RenderBeginTag(HtmlTextWriterTag.Td);
RenderHeader(writer);
writer.RenderEndTag(); // Td
writer.RenderEndTag(); // Tr
}
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
// We want the body to fill the height of the zone, and squish the header and footer
// to the size of their contents
// Mac IE needs height=100% set on | instead of |
writer.AddStyleAttribute(HtmlTextWriterStyle.Height, "100%");
writer.RenderBeginTag(HtmlTextWriterTag.Td);
RenderBody(writer);
writer.RenderEndTag(); // Td
writer.RenderEndTag(); // Tr
if (HasFooter) {
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
TitleStyle footerStyle = FooterStyle;
if (!footerStyle.IsEmpty) {
footerStyle.AddAttributesToRender(writer, this);
}
writer.RenderBeginTag(HtmlTextWriterTag.Td);
RenderFooter(writer);
writer.RenderEndTag(); // Td
writer.RenderEndTag(); // Tr
}
}
protected virtual void RenderHeader(HtmlTextWriter writer) {
}
protected virtual void RenderBody(HtmlTextWriter writer) {
}
protected virtual void RenderFooter(HtmlTextWriter writer) {
}
protected override object SaveViewState() {
object[] myState = new object[viewStateArrayLength];
myState[baseIndex] = base.SaveViewState();
myState[emptyZoneTextStyleIndex] = (_emptyZoneTextStyle != null) ? ((IStateManager)_emptyZoneTextStyle).SaveViewState() : null;
myState[footerStyleIndex] = (_footerStyle != null) ? ((IStateManager)_footerStyle).SaveViewState() : null;
myState[partStyleIndex] = (_partStyle != null) ? ((IStateManager)_partStyle).SaveViewState() : null;
myState[partChromeStyleIndex] = (_partChromeStyle != null) ? ((IStateManager)_partChromeStyle).SaveViewState() : null;
myState[partTitleStyleIndex] = (_partTitleStyle != null) ? ((IStateManager)_partTitleStyle).SaveViewState() : null;
myState[headerStyleIndex] = (_headerStyle != null) ? ((IStateManager)_headerStyle).SaveViewState() : null;
myState[verbStyleIndex] = (_verbStyle != null) ? ((IStateManager)_verbStyle).SaveViewState() : null;
myState[errorStyleIndex] = (_errorStyle != null) ? ((IStateManager)_errorStyle).SaveViewState() : null;
for (int i=0; i < viewStateArrayLength; i++) {
if (myState[i] != null) {
return myState;
}
}
// More performant to return null than an array of null values
return null;
}
protected override void TrackViewState() {
base.TrackViewState();
if (_emptyZoneTextStyle != null) {
((IStateManager) _emptyZoneTextStyle).TrackViewState();
}
if (_footerStyle != null) {
((IStateManager) _footerStyle).TrackViewState();
}
if (_partStyle != null) {
((IStateManager) _partStyle).TrackViewState();
}
if (_partChromeStyle != null) {
((IStateManager) _partChromeStyle).TrackViewState();
}
if (_partTitleStyle != null) {
((IStateManager) _partTitleStyle).TrackViewState();
}
if (_headerStyle != null) {
((IStateManager) _headerStyle).TrackViewState();
}
if (_verbStyle != null) {
((IStateManager) _verbStyle).TrackViewState();
}
if (_errorStyle != null) {
((IStateManager) _errorStyle).TrackViewState();
}
}
protected WebPartManager WebPartManager {
get {
return _webPartManager;
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
