private void AddBoundProperty(string filter, string name, string expressionPrefix, string expression, ExpressionBuilder expressionBuilder, object parsedExpressionData, bool generated, string fieldName, string formatString, bool twoWayBound)
{
string iD = this.ParseTimeData.ID;
IDesignerHost designerHost = this.DesignerHost;
if (string.IsNullOrEmpty(expressionPrefix))
{
if (string.IsNullOrEmpty(iD))
{
if (this.CompilationMode == System.Web.UI.CompilationMode.Never)
{
throw new HttpException(System.Web.SR.GetString("NoCompileBinding_requires_ID", new object[] { this._controlType.Name, fieldName }));
}
if (twoWayBound)
{
throw new HttpException(System.Web.SR.GetString("TwoWayBinding_requires_ID", new object[] { this._controlType.Name, fieldName }));
}
}
if (!this.flags[0x2000] && (TargetFrameworkUtil.GetEvent(this.ControlType, "DataBinding") == null))
{
throw new InvalidOperationException(System.Web.SR.GetString("ControlBuilder_DatabindingRequiresEvent", new object[] { this._controlType.FullName }));
}
}
else if (expressionBuilder == null)
{
expressionBuilder = ExpressionBuilder.GetExpressionBuilder(expressionPrefix, this.VirtualPath, designerHost);
}
BoundPropertyEntry entry = new BoundPropertyEntry {
Filter = filter,
Expression = expression,
ExpressionBuilder = expressionBuilder,
ExpressionPrefix = expressionPrefix,
Generated = generated,
FieldName = fieldName,
FormatString = formatString,
ControlType = this._controlType,
ControlID = iD,
TwoWayBound = twoWayBound,
ParsedExpressionData = parsedExpressionData
};
this.FillUpBoundPropertyEntry(entry, name);
foreach (BoundPropertyEntry entry2 in this.BoundPropertyEntriesInternal)
{
if (string.Equals(entry2.Name, entry.Name, StringComparison.OrdinalIgnoreCase) && string.Equals(entry2.Filter, entry.Filter, StringComparison.OrdinalIgnoreCase))
{
string str2 = entry.Name;
if (!string.IsNullOrEmpty(entry.Filter))
{
str2 = entry.Filter + ":" + str2;
}
throw new InvalidOperationException(System.Web.SR.GetString("ControlBuilder_CannotHaveMultipleBoundEntries", new object[] { str2, this.ControlType }));
}
}
this.AddBoundProperty(entry);
}
/// <devdoc>
///
/// </devdoc>
private void AddBoundProperty(string filter, string name, string expressionPrefix,
string expression, ExpressionBuilder expressionBuilder, object parsedExpressionData, bool generated, string fieldName,
string formatString, bool twoWayBound, bool encode, int line = 0, int column = 0) {
Debug.Assert(!String.IsNullOrEmpty(name));
string controlID = ParseTimeData.ID;
// Get the IDesignerHost in case we need it to find ExpressionBuilders
IDesignerHost host = DesignerHost;
if (String.IsNullOrEmpty(expressionPrefix)) {
// This is a databinding entry
if (String.IsNullOrEmpty(controlID)) {
if (CompilationMode == CompilationMode.Never) {
throw new HttpException(SR.GetString(SR.NoCompileBinding_requires_ID, _controlType.Name, fieldName));
}
if (twoWayBound) {
throw new HttpException(SR.GetString(SR.TwoWayBinding_requires_ID, _controlType.Name, fieldName));
}
}
Debug.Assert(ControlType != null, "ControlType should not be null if we're adding a property entry");
// We only support databindings on objects that have an event named "DataBinding"
if (!flags[controlTypeIsControl]) {
if (TargetFrameworkUtil.GetEvent(ControlType, "DataBinding") == null) {
throw new InvalidOperationException(SR.GetString(SR.ControlBuilder_DatabindingRequiresEvent, _controlType.FullName));
}
}
}
else {
// If we don't have an expression builder yet, go get it
if (expressionBuilder == null) {
expressionBuilder = ExpressionBuilder.GetExpressionBuilder(expressionPrefix, VirtualPath, host);
}
}
Debug.Assert(!(String.IsNullOrEmpty(expressionPrefix) ^ (expressionBuilder == null)), "expressionBuilder should be non-null iff expressionPrefix is non-empty");
// Set up a BoundPropertyEntry since we know this is an expression
BoundPropertyEntry entry = new BoundPropertyEntry();
entry.Filter = filter;
entry.Expression = expression;
entry.ExpressionBuilder = expressionBuilder;
entry.ExpressionPrefix = expressionPrefix;
entry.Generated = generated;
entry.FieldName = fieldName;
entry.FormatString = formatString;
entry.ControlType = _controlType;
entry.ControlID = controlID;
entry.TwoWayBound = twoWayBound;
entry.ParsedExpressionData = parsedExpressionData;
entry.IsEncoded = encode;
entry.Line = line;
entry.Column = column;
FillUpBoundPropertyEntry(entry, name);
// Check for duplicate bound property entries and throws if it finds one.
// This is done here rather than on AddBoundProperty(BoundPropertyEntry entry) since
// that overload can be called by other control builders in two-way binding scenarios.
// In that case it is valid to have duplicate bound property entries since they are on
// the BindableTemplateBuilder, not the control's ControlBuilder.
foreach (BoundPropertyEntry bpe in BoundPropertyEntriesInternal) {
if (String.Equals(bpe.Name, entry.Name, StringComparison.OrdinalIgnoreCase) &&
String.Equals(bpe.Filter, entry.Filter, StringComparison.OrdinalIgnoreCase)) {
string fullPropertyName = entry.Name;
if (!String.IsNullOrEmpty(entry.Filter)) {
fullPropertyName = entry.Filter + ":" + fullPropertyName;
}
throw new InvalidOperationException(SR.GetString(SR.ControlBuilder_CannotHaveMultipleBoundEntries, fullPropertyName, ControlType));
}
}
// Add these to the bound entries
AddBoundProperty(entry);
}
private void AddBoundProperty(string filter, string name, string expressionPrefix,
string expression, ExpressionBuilder expressionBuilder, object parsedExpressionData, string fieldName, string formatString, bool twoWayBound, bool encode, int line = 0, int column = 0) {
AddBoundProperty(filter, name, expressionPrefix, expression, expressionBuilder, parsedExpressionData, false, fieldName, formatString, twoWayBound, encode, line, column);
}
private void AddBoundProperty(string filter, string name, string expressionPrefix, string expression, ExpressionBuilder expressionBuilder, object parsedExpressionData, string fieldName, string formatString, bool twoWayBound)
{
this.AddBoundProperty(filter, name, expressionPrefix, expression, expressionBuilder, parsedExpressionData, false, fieldName, formatString, twoWayBound);
}
internal static ExpressionBuilder GetExpressionBuilder(string expressionPrefix, VirtualPath virtualPath, IDesignerHost host)
{
// If there is no expressionPrefix, it's a v1 style databinding expression
if (expressionPrefix.Length == 0)
{
if (dataBindingExpressionBuilder == null)
{
dataBindingExpressionBuilder = new DataBindingExpressionBuilder();
}
return(dataBindingExpressionBuilder);
}
CompilationSection config = null;
// If we are in the designer, we need to access IWebApplication config instead
#if !FEATURE_PAL // FEATURE_PAL does not support designer-based features
if (host != null)
{
IWebApplication webapp = (IWebApplication)host.GetService(typeof(IWebApplication));
if (webapp != null)
{
config = webapp.OpenWebConfiguration(true).GetSection("system.web/compilation") as CompilationSection;
}
}
#endif // !FEATURE_PAL
// If we failed to get config from the designer, fall back on runtime config always
if (config == null)
{
config = MTConfigUtil.GetCompilationConfig(virtualPath);
}
System.Web.Configuration.ExpressionBuilder builder = config.ExpressionBuilders[expressionPrefix];
if (builder == null)
{
throw new HttpParseException(SR.GetString(SR.InvalidExpressionPrefix, expressionPrefix));
}
Type expressionBuilderType = null;
if (host != null)
{
// If we are in the designer, we have to use the type resolution service
ITypeResolutionService ts = (ITypeResolutionService)host.GetService(typeof(ITypeResolutionService));
if (ts != null)
{
expressionBuilderType = ts.GetType(builder.Type);
}
}
if (expressionBuilderType == null)
{
expressionBuilderType = builder.TypeInternal;
}
Debug.Assert(expressionBuilderType != null, "expressionBuilderType should not be null");
if (!typeof(ExpressionBuilder).IsAssignableFrom(expressionBuilderType))
{
throw new HttpParseException(SR.GetString(SR.ExpressionBuilder_InvalidType, expressionBuilderType.FullName));
}
ExpressionBuilder expressionBuilder = (ExpressionBuilder)HttpRuntime.FastCreatePublicInstance(expressionBuilderType);
return(expressionBuilder);
}
