package com.jetbrains.lang.dart.ide.generation;
import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Pair;
import com.intellij.psi.PsiFile;
import com.intellij.psi.util.PsiTreeUtil;
import com.jetbrains.lang.dart.DartComponentType;
import com.jetbrains.lang.dart.psi.DartClass;
import com.jetbrains.lang.dart.psi.DartComponent;
import com.jetbrains.lang.dart.psi.DartGetterDeclaration;
import com.jetbrains.lang.dart.psi.DartMethodDeclaration;
import com.jetbrains.lang.dart.util.DartResolveUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import static com.intellij.psi.util.PsiTreeUtil.getChildrenOfType;
public abstract class BaseDartGenerateAction extends AnAction {
@Override
public boolean startInTransaction() {
return true;
}
public void actionPerformed(final AnActionEvent e) {
final Project project = e.getData(CommonDataKeys.PROJECT);
assert project != null;
final Pair<Editor, PsiFile> editorAndPsiFile = getEditorAndPsiFile(e);
getGenerateHandler().invoke(project, editorAndPsiFile.first, editorAndPsiFile.second);
}
private static Pair<Editor, PsiFile> getEditorAndPsiFile(final AnActionEvent e) {
final Project project = e.getData(CommonDataKeys.PROJECT);
if (project == null) return Pair.create(null, null);
Editor editor = e.getData(CommonDataKeys.EDITOR);
PsiFile psiFile = e.getData(CommonDataKeys.PSI_FILE);
return Pair.create(editor, psiFile);
}
@NotNull
protected abstract BaseDartGenerateHandler getGenerateHandler();
@Override
public void update(final AnActionEvent e) {
final Pair<Editor, PsiFile> editorAndPsiFile = getEditorAndPsiFile(e);
final Editor editor = editorAndPsiFile.first;
final PsiFile psiFile = editorAndPsiFile.second;
final int caretOffset = editor == null ? -1 : editor.getCaretModel().getOffset();
final boolean enable = psiFile != null && doEnable(PsiTreeUtil.getParentOfType(psiFile.findElementAt(caretOffset), DartClass.class));
e.getPresentation().setEnabled(enable);
e.getPresentation().setVisible(enable);
}
protected boolean doEnable(@Nullable final DartClass dartClass) {
return dartClass != null;
}
protected static boolean doesClassContainMethod(@NotNull final DartClass dartClass, @NotNull final String methodName) {
if (methodName.isEmpty()) {
return false;
}
final DartMethodDeclaration[] methodDeclarations = getChildrenOfType(DartResolveUtil.getBody(dartClass), DartMethodDeclaration.class);
if (methodDeclarations == null) {
return false;
}
for (DartMethodDeclaration methodDeclaration : methodDeclarations) {
if (methodName.equals(methodDeclaration.getName())) {
return true;
}
}
return false;
}
protected static boolean doesClassContainGetter(@NotNull final DartClass dartClass, @NotNull final String getterName) {
if (getterName.isEmpty()) {
return false;
}
final DartGetterDeclaration[] getterDeclarations = getChildrenOfType(DartResolveUtil.getBody(dartClass), DartGetterDeclaration.class);
if (getterDeclarations == null) {
return false;
}
for (DartGetterDeclaration getterDeclaration : getterDeclarations) {
if (getterName.equals(getterDeclaration.getName())) {
return true;
}
}
return false;
}
protected static boolean hasNonStaticField(@NotNull final DartClass dartClass) {
for (DartComponent component : DartResolveUtil.getNamedSubComponents(dartClass)) {
if (DartComponentType.typeOf(component) == DartComponentType.FIELD && !component.isStatic()) {
return true;
}
}
return false;
}
}