package com.haskforce.quickfixes;
import com.intellij.codeInsight.CodeInsightBundle;
import com.intellij.codeInsight.intention.impl.BaseIntentionAction;
import com.intellij.codeInspection.LocalQuickFix;
import com.intellij.codeInspection.ProblemDescriptor;
import com.intellij.openapi.application.Result;
import com.intellij.openapi.command.WriteCommandAction;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.fileEditor.FileDocumentManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.ex.MessagesEx;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiDocumentManager;
import com.intellij.psi.PsiFile;
import com.intellij.util.IncorrectOperationException;
import org.jetbrains.annotations.NotNull;
import java.io.IOException;
/**
* Renames a file to match the module name.
*/
public class HaskellModuleFilenameFix extends BaseIntentionAction implements LocalQuickFix {
private final String myTargetName;
public HaskellModuleFilenameFix(@NotNull String newName) {
myTargetName = newName;
}
@Override
@NotNull
public String getText() {
return CodeInsightBundle.message("rename.file.fix");
}
@Override
@NotNull
public String getName() {
return getText();
}
@NotNull
@Override
public String getFamilyName() {
return "Haskell";
}
/**
* Checks whether this intention is available at a caret offset in file.
*/
@Override
public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
return true;
}
/**
* Called when user invokes intention.
*/
@Override
public void invoke(@NotNull Project project, Editor editor, PsiFile file) throws IncorrectOperationException {
VirtualFile vFile = file.getVirtualFile();
Document document = PsiDocumentManager.getInstance(project).getDocument(file);
if (document == null) return;
FileDocumentManager.getInstance().saveDocument(document);
try {
vFile.rename(file.getManager(), myTargetName);
} catch (IOException e) {
MessagesEx.error(project, e.getMessage()).showLater();
}
}
@Override
public boolean startInWriteAction() {
return true;
}
@Override
public void applyFix(@NotNull final Project project, @NotNull ProblemDescriptor descriptor) {
final PsiFile file = descriptor.getPsiElement().getContainingFile();
if (isAvailable(project, null, file)) {
new WriteCommandAction(project) {
@Override
protected void run(Result result) throws Throwable {
invoke(project, null, file);
}
}.execute();
}
}
}