protected override CodeMethodReferenceExpression GetFindViewByIdReference(string typeName)
{
return(new CodeMethodReferenceExpression(
new CodeThisReferenceExpression(),
"FindViewById",
CodeGeneratorHelper.GetTypeReferenceFromName(typeName)));
}
private CodePropertyReferenceExpression CreateLocalizationServiceProperty()
{
CodeMethodReferenceExpression resolveMethodReference = new CodeMethodReferenceExpression(
new CodePropertyReferenceExpression(new CodeTypeReferenceExpression(CodeGeneratorHelper.GetTypeReferenceFromName("DependencyService")), "Container"),
"Resolve",
CodeGeneratorHelper.GetTypeReferenceFromName("ILocalizationService")
);
CodeMethodInvokeExpression invokeMethod = new CodeMethodInvokeExpression(resolveMethodReference);
Tuple <CodeMemberField, CodeMemberProperty> result = CodeGeneratorHelper.GenerateProxyProperty(NameGeneratorHelper.LOCALIZATION_SERVICE_PROPERTY_NAME, "ILocalizationService", invokeMethod);
Fields.Add(result.Item1);
Properties.Add(result.Item2);
return(CodeGeneratorHelper.GetPropertyReference(result.Item2));
}
private Dictionary <string, CodePropertyReferenceExpression> CreatePropertiesForResources(IEnumerable <Resource> resources)
{
return(resources.ToDictionary(resource => resource.Key, resource =>
{
DataTemplateResource dataTemplateResource = resource as DataTemplateResource;
Tuple <CodeMemberField, CodeMemberProperty> result;
if (dataTemplateResource != null) // in case of data templates
{
const string type = "Storm.Mvvm.DataTemplate";
result = CodeGeneratorHelper.GenerateProxyProperty(resource.PropertyName, type, fieldReference => new List <CodeStatement>
{
// _field = new DataTemplate();
new CodeAssignStatement(fieldReference, new CodeObjectCreateExpression(CodeGeneratorHelper.GetTypeReferenceFromName(type))),
// _field.ViewId = Resource.Id.***
new CodeAssignStatement(new CodePropertyReferenceExpression(fieldReference, "ViewId"), CodeGeneratorHelper.GetAndroidResourceReference(ResourcePart.Layout, dataTemplateResource.ViewId)),
// _field.LayoutInflater = LayoutInflater;
new CodeAssignStatement(new CodePropertyReferenceExpression(fieldReference, "LayoutInflater"), GetLayoutInflaterReference()),
// _field.ViewHolderType = typeof(viewholder class)
new CodeAssignStatement(new CodePropertyReferenceExpression(fieldReference, "ViewHolderType"), new CodeTypeOfExpression(string.Format("{0}.{1}", Configuration.GeneratedNamespace, dataTemplateResource.ViewHolderClassName))),
});
}
else
{
// create a proxy property to handle the resource
string type = resource.Type;
Dictionary <string, string> assignments = resource.Properties;
result = CodeGeneratorHelper.GenerateProxyProperty(resource.PropertyName, type, fieldReference => CodeGeneratorHelper.GenerateStatementsCreateAndAssign(fieldReference, type, assignments));
}
Fields.Add(result.Item1);
Properties.Add(result.Item2);
return CodeGeneratorHelper.GetPropertyReference(result.Item2);
}));
}
private void CreateBindingOverrideMethod(List <ExpressionContainer> bindingExpressions, CodePropertyReferenceExpression localizationServiceReference, Dictionary <string, CodePropertyReferenceExpression> resourceReferences, params CodeMethodReferenceExpression[] preCallMethods)
{
CodeTypeReference listOfBindingObjectTypeReference = CodeGeneratorHelper.GetTypeReferenceFromName("List<BindingObject>");
CodeTypeReference bindingObjectTypeReference = CodeGeneratorHelper.GetTypeReferenceFromName("BindingObject");
CodeTypeReference bindingExpressionTypeReference = CodeGeneratorHelper.GetTypeReferenceFromName("BindingExpression");
CodeMemberMethod method = new CodeMemberMethod
{
Attributes = MemberAttributes.Family | MemberAttributes.Override,
Name = NameGeneratorHelper.GET_BINDING_METHOD_NAME,
ReturnType = listOfBindingObjectTypeReference
};
foreach (CodeMethodReferenceExpression preCallMethod in preCallMethods)
{
method.Statements.Add(new CodeMethodInvokeExpression(preCallMethod));
}
var variableCreationResult = CodeGeneratorHelper.CreateVariable(listOfBindingObjectTypeReference, "result");
method.Statements.Add(variableCreationResult.Item1);
CodeVariableReferenceExpression resultReference = variableCreationResult.Item2;
// group binding expression by target object to simplify
foreach (IGrouping <string, ExpressionContainer> groupedExpressions in bindingExpressions.GroupBy(x => x.TargetObject))
{
// create a variable for this binding object and build it with the Property of the view element
variableCreationResult = CodeGeneratorHelper.CreateVariable(bindingObjectTypeReference, NameGeneratorHelper.GetBindingObjectName(), CodeGeneratorHelper.GetPropertyReference(groupedExpressions.Key)); //viewElementReferences[groupedExpressions.Key]);
method.Statements.Add(variableCreationResult.Item1);
CodeVariableReferenceExpression objectReference = variableCreationResult.Item2;
method.Statements.Add(new CodeMethodInvokeExpression(resultReference, "Add", objectReference));
foreach (ExpressionContainer expressionContainer in groupedExpressions)
{
Expression expression = expressionContainer.Expression;
// create a binding expression for this
variableCreationResult = CodeGeneratorHelper.CreateVariable(bindingExpressionTypeReference, NameGeneratorHelper.GetBindingExpressionName(), new CodePrimitiveExpression(expressionContainer.TargetField),
new CodePrimitiveExpression(expression.GetValue(BindingExpression.PATH)));
method.Statements.Add(variableCreationResult.Item1);
CodeVariableReferenceExpression expressionReference = variableCreationResult.Item2;
if (expression.Has(BindingExpression.MODE) && expression.Get <ModeExpression>(BindingExpression.MODE).Value != BindingMode.OneWay)
{
// Expression could only be of type ModeExpression
BindingMode mode = expression.Get <ModeExpression>(BindingExpression.MODE).Value;
method.Statements.Add(new CodeAssignStatement(new CodePropertyReferenceExpression(expressionReference, "Mode"),
new CodeFieldReferenceExpression(new CodeTypeReferenceExpression("BindingMode"), mode.ToString())));
}
if (expression.Has(BindingExpression.UPDATE_EVENT) && !string.IsNullOrWhiteSpace(expression.GetValue(BindingExpression.UPDATE_EVENT)))
{
// Expression could only be of type Text
string updateEvent = expression.GetValue(BindingExpression.UPDATE_EVENT);
method.Statements.Add(new CodeAssignStatement(new CodePropertyReferenceExpression(expressionReference, "UpdateEvent"), new CodePrimitiveExpression(updateEvent)));
}
if (expression.Has(BindingExpression.CONVERTER))
{
// Expression could be type Resource or (Binding : not implemented for now)
Expression converterExpression = expression[BindingExpression.CONVERTER];
if (converterExpression.IsOfType(ExpressionType.Binding))
{
Log.LogError("Binding expression for converter is not implemented yet");
throw new NotImplementedException("Binding expression for converter is not implemented yet");
}
else if (converterExpression.IsOfType(ExpressionType.Resource))
{
string resourceKey = converterExpression.GetValue(ResourceExpression.KEY);
CodePropertyReferenceExpression resourceReference = resourceReferences[resourceKey];
method.Statements.Add(new CodeAssignStatement(new CodePropertyReferenceExpression(expressionReference, "Converter"), resourceReference));
}
}
if (expression.Has(BindingExpression.CONVERTER_PARAMETER))
{
// Expression could be of type Resource, Translation, Text or (Binding : not implemented for now)
Expression converterParameterExpression = expression[BindingExpression.CONVERTER_PARAMETER];
if (converterParameterExpression.IsOfType(ExpressionType.Binding))
{
Log.LogError("Binding expression for converter parameter is not implemented yet");
throw new NotImplementedException("Binding expression for converter parameter is not implemented yet");
}
else if (converterParameterExpression.IsOfType(ExpressionType.Resource))
{
string resourceKey = converterParameterExpression.GetValue(ResourceExpression.KEY);
CodePropertyReferenceExpression resourceReference = resourceReferences[resourceKey];
method.Statements.Add(new CodeAssignStatement(new CodePropertyReferenceExpression(expressionReference, "ConverterParameter"), resourceReference));
}
else if (converterParameterExpression.IsOfType(ExpressionType.Translation))
{
CodeMethodInvokeExpression valueReference = GenerateStatementToGetTranslation(localizationServiceReference, converterParameterExpression);
method.Statements.Add(new CodeAssignStatement(new CodePropertyReferenceExpression(expressionReference, "ConverterParameter"), valueReference));
}
else if (converterParameterExpression.IsOfType(ExpressionType.Value))
{
TextExpression textExpression = converterParameterExpression as TextExpression;
if (textExpression != null)
{
string converterParameterValue = textExpression.Value;
method.Statements.Add(new CodeAssignStatement(new CodePropertyReferenceExpression(expressionReference, "ConverterParameter"), new CodePrimitiveExpression(converterParameterValue)));
}
else
{
throw new InvalidOperationException("Can't get a textExpression from a ExpressionType.Value expression...");
}
}
}
if (!string.IsNullOrWhiteSpace(expressionContainer.CommandParameterTarget))
{
method.Statements.Add(new CodeAssignStatement(new CodePropertyReferenceExpression(expressionReference, "CommandParameter"),
CodeGeneratorHelper.GetPropertyReference(expressionContainer.CommandParameterTarget)));
}
method.Statements.Add(new CodeMethodInvokeExpression(objectReference, "AddExpression", expressionReference));
}
}
method.Statements.Add(new CodeMethodReturnStatement(resultReference));
Methods.Add(method);
}
public void Generate(string outputFile)
{
CodeCompileUnit codeUnit = new CodeCompileUnit();
// for all using statements
CodeNamespace globalNamespace = new CodeNamespace("");
// for class declaration
CodeNamespace codeNamespace = new CodeNamespace(NamespaceName);
codeUnit.Namespaces.AddRange(new [] { globalNamespace, codeNamespace });
// add all using statements
globalNamespace.Imports.AddRange(Configuration.Namespaces.Select(x => new CodeNamespaceImport(x)).ToArray());
// create class
CodeTypeDeclaration classDeclaration = new CodeTypeDeclaration(ClassName)
{
IsClass = true,
IsPartial = IsPartialClass,
TypeAttributes = TypeAttributes.Public,
};
if (BaseClassType != null)
{
classDeclaration.BaseTypes.Add(CodeGeneratorHelper.GetTypeReferenceFromName(BaseClassType));
}
codeNamespace.Types.Add(classDeclaration);
classDeclaration.Members.AddRange(Events.Select(x => (CodeTypeMember)x).ToArray());
classDeclaration.Members.AddRange(Fields.Select(x => (CodeTypeMember)x).ToArray());
classDeclaration.Members.AddRange(Properties.Select(x => (CodeTypeMember)x).ToArray());
classDeclaration.Members.AddRange(Methods.Select(x => (CodeTypeMember)x).ToArray());
#region File writing
CodeDomProvider provider = CodeDomProvider.CreateProvider("CSharp");
CodeGeneratorOptions options = new CodeGeneratorOptions
{
BlankLinesBetweenMembers = true,
BracingStyle = "C",
IndentString = "\t"
};
string contentString;
using (StringWriter stringWriter = new StringWriter())
{
provider.GenerateCodeFromCompileUnit(codeUnit, stringWriter, options);
string content = stringWriter.GetStringBuilder().ToString();
Regex commentRegex = new Regex("<auto-generated>.*</auto-generated>", RegexOptions.IgnoreCase | RegexOptions.Singleline);
contentString = commentRegex.Replace(content, "This file was generated by binding preprocessing system for Android");
}
if (File.Exists(outputFile))
{
using (StreamReader reader = new StreamReader(outputFile))
{
string actualContent = reader.ReadToEnd();
if (actualContent == contentString)
{
return;
}
}
File.Delete(outputFile);
}
using (StreamWriter writer = new StreamWriter(File.OpenWrite(outputFile)))
{
writer.Write(contentString);
}
#endregion
}