/*
* Copyright 2013-2017 consulo.io
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package consulo.csharp.ide.codeInsight.actions;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import consulo.annotations.RequiredReadAction;
import consulo.csharp.ide.liveTemplates.expression.ReturnStatementExpression;
import consulo.csharp.ide.liveTemplates.expression.TypeRefExpression;
import consulo.csharp.lang.psi.CSharpContextUtil;
import consulo.csharp.lang.psi.CSharpReferenceExpression;
import consulo.csharp.lang.psi.CSharpSimpleParameterInfo;
import consulo.csharp.lang.psi.CSharpTypeRefPresentationUtil;
import consulo.csharp.lang.psi.impl.source.resolve.type.CSharpLambdaResolveResult;
import consulo.dotnet.psi.DotNetExpression;
import consulo.dotnet.psi.DotNetMemberOwner;
import consulo.dotnet.psi.DotNetQualifiedElement;
import consulo.dotnet.resolve.DotNetTypeRef;
import consulo.dotnet.resolve.DotNetTypeResolveResult;
import com.intellij.BundleBase;
import com.intellij.codeInsight.template.Template;
import com.intellij.codeInsight.template.impl.ConstantNode;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.util.PsiTreeUtil;
/**
* @author VISTALL
* @since 06.01.15
*/
public class CreateUnresolvedMethodByLambdaTypeFix extends CreateUnresolvedElementFix
{
private final CSharpLambdaResolveResult myLikeMethod;
public CreateUnresolvedMethodByLambdaTypeFix(CSharpReferenceExpression expression, CSharpLambdaResolveResult likeMethod)
{
super(expression);
myLikeMethod = likeMethod;
}
@NotNull
@Override
@RequiredReadAction
public String getText()
{
String arguments = buildArgumentTypeRefs();
if(arguments == null)
{
return "invalid";
}
return BundleBase.format("Create method ''{0}({1})''", myReferenceName, arguments);
}
@Nullable
@RequiredReadAction
public String buildArgumentTypeRefs()
{
CSharpReferenceExpression element = myPointer.getElement();
if(element == null)
{
return null;
}
StringBuilder builder = new StringBuilder();
CSharpSimpleParameterInfo[] parameterInfos = myLikeMethod.getParameterInfos();
for(int i = 0; i < parameterInfos.length; i++)
{
if(i != 0)
{
builder.append(", ");
}
CSharpSimpleParameterInfo parameterInfo = parameterInfos[i];
builder.append(CSharpTypeRefPresentationUtil.buildShortText(parameterInfo.getTypeRef(), element));
}
return builder.toString();
}
@Override
protected CreateUnresolvedElementFixContext createGenerateContext()
{
CSharpReferenceExpression element = myPointer.getElement();
if(element == null)
{
return null;
}
if(element.kind() == CSharpReferenceExpression.ResolveToKind.ANY_MEMBER)
{
PsiElement qualifier = element.getQualifier();
if(qualifier == null)
{
final DotNetQualifiedElement qualifiedElement = PsiTreeUtil.getParentOfType(element, DotNetQualifiedElement.class);
if(qualifiedElement == null)
{
return null;
}
PsiElement parent = qualifiedElement.getParent();
if(parent instanceof DotNetMemberOwner && parent.isWritable())
{
return new CreateUnresolvedElementFixContext(element, (DotNetMemberOwner) parent);
}
}
else
{
if(qualifier instanceof DotNetExpression)
{
DotNetTypeRef typeRef = ((DotNetExpression) qualifier).toTypeRef(true);
DotNetTypeResolveResult typeResolveResult = typeRef.resolve();
PsiElement typeResolveResultElement = typeResolveResult.getElement();
if(typeResolveResultElement instanceof DotNetMemberOwner && typeResolveResultElement.isWritable())
{
return new CreateUnresolvedElementFixContext(element, (DotNetMemberOwner) typeResolveResultElement);
}
}
}
}
return null;
}
@RequiredReadAction
@Override
public void buildTemplate(@NotNull CreateUnresolvedElementFixContext context, CSharpContextUtil.ContextType contextType, @NotNull PsiFile file, @NotNull Template template)
{
template.addTextSegment(CreateUnresolvedMethodFix.calcModifier(context).getPresentableText());
template.addTextSegment(" ");
if(contextType == CSharpContextUtil.ContextType.STATIC)
{
template.addTextSegment("static ");
}
template.addVariable(new TypeRefExpression(myLikeMethod.getReturnTypeRef(), file), true);
template.addTextSegment(" ");
template.addTextSegment(myReferenceName);
buildParameterList(context, file, template);
template.addTextSegment("{\n");
template.addVariable("$RETURN_STATEMENT$", new ReturnStatementExpression(), false);
template.addEndVariable();
template.addTextSegment("}");
}
protected void buildParameterList(@NotNull CreateUnresolvedElementFixContext context, @NotNull PsiFile file, @NotNull Template template)
{
template.addTextSegment("(");
CSharpSimpleParameterInfo[] parameterInfos = myLikeMethod.getParameterInfos();
for(int i = 0; i < parameterInfos.length; i++)
{
if(i != 0)
{
template.addTextSegment(", ");
}
CSharpSimpleParameterInfo parameterInfo = parameterInfos[i];
template.addVariable(new ConstantNode(CSharpTypeRefPresentationUtil.buildShortText(parameterInfo.getTypeRef(), context.getExpression())), true);
template.addTextSegment(" ");
template.addVariable(new ConstantNode(parameterInfo.getNotNullName()), true);
}
template.addTextSegment(")");
}
}