Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / ndp / fx / src / xsp / System / Web / Extensions / ui / ScriptComponentDescriptor.cs / 2 / ScriptComponentDescriptor.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.UI {
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.Security.Permissions;
using System.Text;
using System.Text.RegularExpressions;
using System.Web;
using System.Web.Resources;
using System.Web.Script.Serialization;
[
AspNetHostingPermission(SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal),
AspNetHostingPermission(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)
]
public class ScriptComponentDescriptor : ScriptDescriptor {
// PERF: In the ScriptControl/Properties/Scenario.aspx perf test, SortedList is 2% faster than
// SortedDictionary.
private string _elementIDInternal;
private SortedList _events;
private string _id;
private SortedList _properties;
private bool _registerDispose = true;
private JavaScriptSerializer _serializer;
private string _type;
public ScriptComponentDescriptor(string type) {
if (String.IsNullOrEmpty(type)) {
throw new ArgumentException(AtlasWeb.Common_NullOrEmpty, "type");
}
_type = type;
}
// Used by ScriptBehaviorDescriptor and ScriptControlDesriptor
internal ScriptComponentDescriptor(string type, string elementID)
: this(type) {
if (String.IsNullOrEmpty(elementID)) {
throw new ArgumentException(AtlasWeb.Common_NullOrEmpty, "elementID");
}
_elementIDInternal = elementID;
}
[SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "ID")]
public virtual string ClientID {
get {
return ID;
}
}
internal string ElementIDInternal {
get {
return _elementIDInternal;
}
}
private SortedList Events {
get {
if (_events == null) {
_events = new SortedList(StringComparer.Ordinal);
}
return _events;
}
}
[SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "ID")]
public virtual string ID {
get {
return _id ?? String.Empty;
}
set {
_id = value;
}
}
private SortedList Properties {
get {
if (_properties == null) {
_properties = new SortedList(StringComparer.Ordinal);
}
return _properties;
}
}
internal bool RegisterDispose {
get {
return _registerDispose;
}
set {
_registerDispose = value;
}
}
private JavaScriptSerializer Serializer {
get {
if (_serializer == null) {
_serializer = new JavaScriptSerializer();
}
return _serializer;
}
}
[SuppressMessage("Microsoft.Naming", "CA1721:PropertyNamesShouldNotMatchGetMethods",
Justification = "Refers to a script element, not to Object.GetType()")]
public string Type {
get {
return _type;
}
set {
if (String.IsNullOrEmpty(value)) {
throw new ArgumentException(AtlasWeb.Common_NullOrEmpty, "value");
}
_type = value;
}
}
[SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "ID")]
public void AddComponentProperty(string name, string componentID) {
if (String.IsNullOrEmpty(componentID)) {
throw new ArgumentException(AtlasWeb.Common_NullOrEmpty, "componentID");
}
AddProperty(name, new ComponentReference(componentID));
}
[SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "ID")]
public void AddElementProperty(string name, string elementID) {
if (String.IsNullOrEmpty(elementID)) {
throw new ArgumentException(AtlasWeb.Common_NullOrEmpty, "elementID");
}
AddProperty(name, new ElementReference(elementID));
}
public void AddEvent(string name, string handler) {
if (String.IsNullOrEmpty(name)) {
throw new ArgumentException(AtlasWeb.Common_NullOrEmpty, "name");
}
if (String.IsNullOrEmpty(handler)) {
throw new ArgumentException(AtlasWeb.Common_NullOrEmpty, "handler");
}
Events[name] = handler;
}
public void AddProperty(string name, object value) {
AddProperty(name, new ObjectReference(value));
}
private void AddProperty(string name, Expression value) {
if (String.IsNullOrEmpty(name)) {
throw new ArgumentException(AtlasWeb.Common_NullOrEmpty, "name");
}
Debug.Assert(value != null);
Properties[name] = value;
}
public void AddScriptProperty(string name, string script) {
if (String.IsNullOrEmpty(script)) {
throw new ArgumentException(AtlasWeb.Common_NullOrEmpty, "script");
}
AddProperty(name, new ScriptExpression(script));
}
private void AppendEventsScript(StringBuilder builder) {
// PERF: Use field directly to avoid creating Dictionary if not already created
if (_events != null && _events.Count > 0) {
builder.Append('{');
bool first = true;
// Can't use JavaScriptSerializer directly on events dictionary, since the values are
// JavaScript functions and should not be quoted.
foreach (KeyValuePair e in _events) {
if (first) {
first = false;
}
else {
builder.Append(',');
}
builder.Append('"');
builder.Append(JavaScriptString.QuoteString(e.Key));
builder.Append('"');
builder.Append(':');
builder.Append(e.Value);
}
builder.Append("}");
}
else {
builder.Append("null");
}
}
private void AppendPropertiesScript(StringBuilder builder) {
bool first = true;
// PERF: Use field directly to avoid creating Dictionary if not already created
if (_properties != null && _properties.Count > 0) {
foreach (KeyValuePair p in _properties) {
if (p.Value.Type == ExpressionType.Script) {
if (first) {
builder.Append("{");
first = false;
}
else {
builder.Append(",");
}
builder.Append('"');
builder.Append(JavaScriptString.QuoteString(p.Key));
builder.Append('"');
builder.Append(':');
p.Value.AppendValue(Serializer, builder);
}
}
}
if (first) {
// If we didn't see any properties, append "null"
builder.Append("null");
}
else {
// Else, close the JSON object
builder.Append("}");
}
}
private void AppendReferencesScript(StringBuilder builder) {
bool first = true;
// PERF: Use field directly to avoid creating Dictionary if not already created
if (_properties != null && _properties.Count > 0) {
foreach (KeyValuePair p in _properties) {
if (p.Value.Type == ExpressionType.ComponentReference) {
if (first) {
builder.Append("{");
first = false;
}
else {
builder.Append(",");
}
builder.Append('"');
builder.Append(JavaScriptString.QuoteString(p.Key));
builder.Append('"');
builder.Append(':');
p.Value.AppendValue(Serializer, builder);
}
}
}
if (first) {
// If we didn't see any references, append "null"
builder.Append("null");
}
else {
// Else, close the JSON object
builder.Append("}");
}
}
protected internal override string GetScript() {
const string separator = ", ";
if (!String.IsNullOrEmpty(ID)) {
AddProperty("id", ID);
}
StringBuilder builder = new StringBuilder();
builder.Append("$create(");
builder.Append(Type);
builder.Append(separator);
AppendPropertiesScript(builder);
builder.Append(separator);
AppendEventsScript(builder);
builder.Append(separator);
AppendReferencesScript(builder);
if (ElementIDInternal != null) {
builder.Append(separator);
builder.Append("$get(\"");
builder.Append(JavaScriptString.QuoteString(ElementIDInternal));
builder.Append("\")");
}
builder.Append(");");
return builder.ToString();
}
internal override void RegisterDisposeForDescriptor(ScriptManager scriptManager, Control owner) {
if (RegisterDispose && scriptManager.SupportsPartialRendering) {
// If partial rendering is supported, register a JavaScript statement
// that will dispose this component if the UpdatePanel it is inside is
// getting refreshed. Only components need this; controls are associated
// with DOM elements so they get disposed through their 'dispose' expando.
scriptManager.RegisterDispose(owner, "$find('" + ID + "').dispose();");
}
}
private abstract class Expression {
public abstract ExpressionType Type { get; }
public abstract void AppendValue(JavaScriptSerializer serializer, StringBuilder builder);
}
private enum ExpressionType {
Script,
ComponentReference
}
private sealed class ComponentReference : Expression {
private string _componentID;
public ComponentReference(string componentID) {
_componentID = componentID;
}
public override ExpressionType Type {
get {
return ExpressionType.ComponentReference;
}
}
public override void AppendValue(JavaScriptSerializer serializer, StringBuilder builder) {
builder.Append('"');
builder.Append(JavaScriptString.QuoteString(_componentID));
builder.Append('"');
}
}
private sealed class ElementReference : Expression {
private string _elementID;
public ElementReference(string elementID) {
_elementID = elementID;
}
public override ExpressionType Type {
get {
return ExpressionType.Script;
}
}
public override void AppendValue(JavaScriptSerializer serializer, StringBuilder builder) {
builder.Append("$get(\"");
builder.Append(JavaScriptString.QuoteString(_elementID));
builder.Append("\")");
}
}
private sealed class ObjectReference : Expression {
private object _value;
public ObjectReference(object value) {
_value = value;
}
public override ExpressionType Type {
get {
return ExpressionType.Script;
}
}
public override void AppendValue(JavaScriptSerializer serializer, StringBuilder builder) {
// DevDiv Bugs 96574: pass SerializationFormat.JavaScript to serialize to straight JavaScript,
// so date properties are rendered as dates
serializer.Serialize(_value, builder, JavaScriptSerializer.SerializationFormat.JavaScript);
}
}
private sealed class ScriptExpression : Expression {
private string _script;
public ScriptExpression(string script) {
_script = script;
}
public override ExpressionType Type {
get {
return ExpressionType.Script;
}
}
public override void AppendValue(JavaScriptSerializer serializer, StringBuilder builder) {
builder.Append(_script);
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.UI {
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.Security.Permissions;
using System.Text;
using System.Text.RegularExpressions;
using System.Web;
using System.Web.Resources;
using System.Web.Script.Serialization;
[
AspNetHostingPermission(SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal),
AspNetHostingPermission(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)
]
public class ScriptComponentDescriptor : ScriptDescriptor {
// PERF: In the ScriptControl/Properties/Scenario.aspx perf test, SortedList is 2% faster than
// SortedDictionary.
private string _elementIDInternal;
private SortedList _events;
private string _id;
private SortedList _properties;
private bool _registerDispose = true;
private JavaScriptSerializer _serializer;
private string _type;
public ScriptComponentDescriptor(string type) {
if (String.IsNullOrEmpty(type)) {
throw new ArgumentException(AtlasWeb.Common_NullOrEmpty, "type");
}
_type = type;
}
// Used by ScriptBehaviorDescriptor and ScriptControlDesriptor
internal ScriptComponentDescriptor(string type, string elementID)
: this(type) {
if (String.IsNullOrEmpty(elementID)) {
throw new ArgumentException(AtlasWeb.Common_NullOrEmpty, "elementID");
}
_elementIDInternal = elementID;
}
[SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "ID")]
public virtual string ClientID {
get {
return ID;
}
}
internal string ElementIDInternal {
get {
return _elementIDInternal;
}
}
private SortedList Events {
get {
if (_events == null) {
_events = new SortedList(StringComparer.Ordinal);
}
return _events;
}
}
[SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "ID")]
public virtual string ID {
get {
return _id ?? String.Empty;
}
set {
_id = value;
}
}
private SortedList Properties {
get {
if (_properties == null) {
_properties = new SortedList(StringComparer.Ordinal);
}
return _properties;
}
}
internal bool RegisterDispose {
get {
return _registerDispose;
}
set {
_registerDispose = value;
}
}
private JavaScriptSerializer Serializer {
get {
if (_serializer == null) {
_serializer = new JavaScriptSerializer();
}
return _serializer;
}
}
[SuppressMessage("Microsoft.Naming", "CA1721:PropertyNamesShouldNotMatchGetMethods",
Justification = "Refers to a script element, not to Object.GetType()")]
public string Type {
get {
return _type;
}
set {
if (String.IsNullOrEmpty(value)) {
throw new ArgumentException(AtlasWeb.Common_NullOrEmpty, "value");
}
_type = value;
}
}
[SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "ID")]
public void AddComponentProperty(string name, string componentID) {
if (String.IsNullOrEmpty(componentID)) {
throw new ArgumentException(AtlasWeb.Common_NullOrEmpty, "componentID");
}
AddProperty(name, new ComponentReference(componentID));
}
[SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "ID")]
public void AddElementProperty(string name, string elementID) {
if (String.IsNullOrEmpty(elementID)) {
throw new ArgumentException(AtlasWeb.Common_NullOrEmpty, "elementID");
}
AddProperty(name, new ElementReference(elementID));
}
public void AddEvent(string name, string handler) {
if (String.IsNullOrEmpty(name)) {
throw new ArgumentException(AtlasWeb.Common_NullOrEmpty, "name");
}
if (String.IsNullOrEmpty(handler)) {
throw new ArgumentException(AtlasWeb.Common_NullOrEmpty, "handler");
}
Events[name] = handler;
}
public void AddProperty(string name, object value) {
AddProperty(name, new ObjectReference(value));
}
private void AddProperty(string name, Expression value) {
if (String.IsNullOrEmpty(name)) {
throw new ArgumentException(AtlasWeb.Common_NullOrEmpty, "name");
}
Debug.Assert(value != null);
Properties[name] = value;
}
public void AddScriptProperty(string name, string script) {
if (String.IsNullOrEmpty(script)) {
throw new ArgumentException(AtlasWeb.Common_NullOrEmpty, "script");
}
AddProperty(name, new ScriptExpression(script));
}
private void AppendEventsScript(StringBuilder builder) {
// PERF: Use field directly to avoid creating Dictionary if not already created
if (_events != null && _events.Count > 0) {
builder.Append('{');
bool first = true;
// Can't use JavaScriptSerializer directly on events dictionary, since the values are
// JavaScript functions and should not be quoted.
foreach (KeyValuePair e in _events) {
if (first) {
first = false;
}
else {
builder.Append(',');
}
builder.Append('"');
builder.Append(JavaScriptString.QuoteString(e.Key));
builder.Append('"');
builder.Append(':');
builder.Append(e.Value);
}
builder.Append("}");
}
else {
builder.Append("null");
}
}
private void AppendPropertiesScript(StringBuilder builder) {
bool first = true;
// PERF: Use field directly to avoid creating Dictionary if not already created
if (_properties != null && _properties.Count > 0) {
foreach (KeyValuePair p in _properties) {
if (p.Value.Type == ExpressionType.Script) {
if (first) {
builder.Append("{");
first = false;
}
else {
builder.Append(",");
}
builder.Append('"');
builder.Append(JavaScriptString.QuoteString(p.Key));
builder.Append('"');
builder.Append(':');
p.Value.AppendValue(Serializer, builder);
}
}
}
if (first) {
// If we didn't see any properties, append "null"
builder.Append("null");
}
else {
// Else, close the JSON object
builder.Append("}");
}
}
private void AppendReferencesScript(StringBuilder builder) {
bool first = true;
// PERF: Use field directly to avoid creating Dictionary if not already created
if (_properties != null && _properties.Count > 0) {
foreach (KeyValuePair p in _properties) {
if (p.Value.Type == ExpressionType.ComponentReference) {
if (first) {
builder.Append("{");
first = false;
}
else {
builder.Append(",");
}
builder.Append('"');
builder.Append(JavaScriptString.QuoteString(p.Key));
builder.Append('"');
builder.Append(':');
p.Value.AppendValue(Serializer, builder);
}
}
}
if (first) {
// If we didn't see any references, append "null"
builder.Append("null");
}
else {
// Else, close the JSON object
builder.Append("}");
}
}
protected internal override string GetScript() {
const string separator = ", ";
if (!String.IsNullOrEmpty(ID)) {
AddProperty("id", ID);
}
StringBuilder builder = new StringBuilder();
builder.Append("$create(");
builder.Append(Type);
builder.Append(separator);
AppendPropertiesScript(builder);
builder.Append(separator);
AppendEventsScript(builder);
builder.Append(separator);
AppendReferencesScript(builder);
if (ElementIDInternal != null) {
builder.Append(separator);
builder.Append("$get(\"");
builder.Append(JavaScriptString.QuoteString(ElementIDInternal));
builder.Append("\")");
}
builder.Append(");");
return builder.ToString();
}
internal override void RegisterDisposeForDescriptor(ScriptManager scriptManager, Control owner) {
if (RegisterDispose && scriptManager.SupportsPartialRendering) {
// If partial rendering is supported, register a JavaScript statement
// that will dispose this component if the UpdatePanel it is inside is
// getting refreshed. Only components need this; controls are associated
// with DOM elements so they get disposed through their 'dispose' expando.
scriptManager.RegisterDispose(owner, "$find('" + ID + "').dispose();");
}
}
private abstract class Expression {
public abstract ExpressionType Type { get; }
public abstract void AppendValue(JavaScriptSerializer serializer, StringBuilder builder);
}
private enum ExpressionType {
Script,
ComponentReference
}
private sealed class ComponentReference : Expression {
private string _componentID;
public ComponentReference(string componentID) {
_componentID = componentID;
}
public override ExpressionType Type {
get {
return ExpressionType.ComponentReference;
}
}
public override void AppendValue(JavaScriptSerializer serializer, StringBuilder builder) {
builder.Append('"');
builder.Append(JavaScriptString.QuoteString(_componentID));
builder.Append('"');
}
}
private sealed class ElementReference : Expression {
private string _elementID;
public ElementReference(string elementID) {
_elementID = elementID;
}
public override ExpressionType Type {
get {
return ExpressionType.Script;
}
}
public override void AppendValue(JavaScriptSerializer serializer, StringBuilder builder) {
builder.Append("$get(\"");
builder.Append(JavaScriptString.QuoteString(_elementID));
builder.Append("\")");
}
}
private sealed class ObjectReference : Expression {
private object _value;
public ObjectReference(object value) {
_value = value;
}
public override ExpressionType Type {
get {
return ExpressionType.Script;
}
}
public override void AppendValue(JavaScriptSerializer serializer, StringBuilder builder) {
// DevDiv Bugs 96574: pass SerializationFormat.JavaScript to serialize to straight JavaScript,
// so date properties are rendered as dates
serializer.Serialize(_value, builder, JavaScriptSerializer.SerializationFormat.JavaScript);
}
}
private sealed class ScriptExpression : Expression {
private string _script;
public ScriptExpression(string script) {
_script = script;
}
public override ExpressionType Type {
get {
return ExpressionType.Script;
}
}
public override void AppendValue(JavaScriptSerializer serializer, StringBuilder builder) {
builder.Append(_script);
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ProtocolsSection.cs
- TailCallAnalyzer.cs
- DataServiceConfiguration.cs
- SafeTimerHandle.cs
- OdbcDataReader.cs
- ComponentChangingEvent.cs
- DataGridViewSelectedRowCollection.cs
- ListViewHitTestInfo.cs
- PropertyItemInternal.cs
- ControlsConfig.cs
- CornerRadiusConverter.cs
- BaseDataBoundControl.cs
- DataGridViewSortCompareEventArgs.cs
- QueryCreatedEventArgs.cs
- webeventbuffer.cs
- KeySplineConverter.cs
- DomainUpDown.cs
- EditorServiceContext.cs
- ActiveXContainer.cs
- CollectionView.cs
- TypeForwardedToAttribute.cs
- CollectionBuilder.cs
- MenuScrollingVisibilityConverter.cs
- WindowsListViewScroll.cs
- SerializationStore.cs
- TextHidden.cs
- ButtonBaseAutomationPeer.cs
- SetIndexBinder.cs
- X509ThumbprintKeyIdentifierClause.cs
- WebPartHeaderCloseVerb.cs
- WindowProviderWrapper.cs
- SqlNotificationRequest.cs
- FontFamilyValueSerializer.cs
- BufferAllocator.cs
- CodeObject.cs
- PersonalizationProviderCollection.cs
- HtmlInputReset.cs
- ObjectDataSourceMethodEventArgs.cs
- DataGridRow.cs
- DataControlHelper.cs
- QueueSurrogate.cs
- TypeExtensionSerializer.cs
- SqlTypeConverter.cs
- ExcCanonicalXml.cs
- UnlockInstanceCommand.cs
- updateconfighost.cs
- RoutedCommand.cs
- DetailsViewInsertedEventArgs.cs
- DesignRelationCollection.cs
- MessageDroppedTraceRecord.cs
- XsltSettings.cs
- TextBoxBase.cs
- Token.cs
- HttpCachePolicyElement.cs
- DbProviderConfigurationHandler.cs
- HttpServerVarsCollection.cs
- StdValidatorsAndConverters.cs
- DbConnectionOptions.cs
- TreeNodeBinding.cs
- DataGridViewRowPostPaintEventArgs.cs
- DataServiceClientException.cs
- UpdatePanel.cs
- BindingSource.cs
- ISO2022Encoding.cs
- SqlTypeSystemProvider.cs
- FormParameter.cs
- SessionPageStatePersister.cs
- IisTraceListener.cs
- CategoryAttribute.cs
- TextTreeInsertElementUndoUnit.cs
- MessageDescriptionCollection.cs
- DebugControllerThread.cs
- MachinePropertyVariants.cs
- ClassDataContract.cs
- NameTable.cs
- WebPartVerbCollection.cs
- TypeUtil.cs
- tabpagecollectioneditor.cs
- ColumnHeaderConverter.cs
- PasswordRecovery.cs
- AssertSection.cs
- NumericUpDownAcceleration.cs
- ActiveXMessageFormatter.cs
- QilPatternFactory.cs
- SafeThemeHandle.cs
- TrackingStringDictionary.cs
- PackWebRequestFactory.cs
- MimePart.cs
- ServiceContractAttribute.cs
- IPipelineRuntime.cs
- ReadOnlyDictionary.cs
- HttpModulesSection.cs
- WebPartUserCapability.cs
- EntityTransaction.cs
- DefaultAuthorizationContext.cs
- ByteStreamGeometryContext.cs
- WebPartTransformer.cs
- Rectangle.cs
- _emptywebproxy.cs
- BasicExpressionVisitor.cs