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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* 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 com.intellij.codeInsight;
import com.intellij.codeHighlighting.Pass;
import com.intellij.codeInsight.daemon.GutterIconNavigationHandler;
import com.intellij.codeInsight.daemon.LineMarkerInfo;
import com.intellij.codeInsight.daemon.LineMarkerProvider;
import com.intellij.codeInsight.intention.IntentionAction;
import com.intellij.codeInsight.intention.IntentionManager;
import com.intellij.codeInsight.javadoc.JavaDocInfoGenerator;
import com.intellij.icons.AllIcons;
import com.intellij.ide.actions.ApplyIntentionAction;
import com.intellij.openapi.actionSystem.DefaultActionGroup;
import com.intellij.openapi.actionSystem.impl.SimpleDataContext;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.editor.markup.GutterIconRenderer;
import com.intellij.openapi.fileEditor.FileEditorManager;
import com.intellij.openapi.fileEditor.OpenFileDescriptor;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.popup.JBPopupFactory;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.*;
import com.intellij.psi.util.PsiUtilCore;
import com.intellij.util.Function;
import com.intellij.xml.util.XmlStringUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.awt.event.MouseEvent;
import java.util.Collection;
import java.util.List;
public class ExternalAnnotationsLineMarkerProvider implements LineMarkerProvider {
@Nullable
@Override
public LineMarkerInfo getLineMarkerInfo(@NotNull PsiElement element) {
if (element instanceof PsiParameter) return null;
PsiModifierListOwner owner = null;
if (element instanceof PsiModifierListOwner) {
final PsiModifierListOwner modifierListOwner = (PsiModifierListOwner)element;
final ExternalAnnotationsManager annotationsManager = ExternalAnnotationsManager.getInstance(modifierListOwner.getProject());
PsiAnnotation[] externalAnnotations = annotationsManager.findExternalAnnotations(modifierListOwner);
if (externalAnnotations != null && externalAnnotations.length > 0) {
owner = (PsiModifierListOwner)element;
} else if (element instanceof PsiMethod) {
final PsiParameter[] parameters = ((PsiMethod)element).getParameterList().getParameters();
for (PsiParameter parameter : parameters) {
externalAnnotations = annotationsManager.findExternalAnnotations(parameter);
if (externalAnnotations != null && externalAnnotations.length > 0) {
owner = (PsiMethod)element;
break;
}
}
}
}
if (owner == null) {
return null;
}
final Function<PsiModifierListOwner, String> annotationsCollector = new Function<PsiModifierListOwner, String>() {
@Override
public String fun(PsiModifierListOwner owner) {
return XmlStringUtil.wrapInHtml(JavaDocInfoGenerator.generateSignature(owner));
}
};
return new LineMarkerInfo<PsiModifierListOwner>(owner, owner.getTextOffset(), AllIcons.Gutter.ExtAnnotation,
Pass.UPDATE_ALL,
annotationsCollector, new MyIconGutterHandler(),
GutterIconRenderer.Alignment.LEFT);
}
@Override
public void collectSlowLineMarkers(@NotNull List<PsiElement> elements, @NotNull Collection<LineMarkerInfo> result) {}
private static class MyIconGutterHandler implements GutterIconNavigationHandler<PsiModifierListOwner> {
@Override
public void navigate(MouseEvent e, final PsiModifierListOwner listOwner) {
final PsiFile containingFile = listOwner.getContainingFile();
final VirtualFile virtualFile = PsiUtilCore.getVirtualFile(listOwner);
if (virtualFile != null && containingFile != null) {
final Project project = listOwner.getProject();
final OpenFileDescriptor openFileDescriptor = new OpenFileDescriptor(project, virtualFile, listOwner.getTextOffset());
final Editor editor = FileEditorManager.getInstance(project).openTextEditor(openFileDescriptor, true);
if (editor != null) {
final DefaultActionGroup group = new DefaultActionGroup();
for (final IntentionAction action : IntentionManager.getInstance().getAvailableIntentionActions()) {
if (action.isAvailable(project, editor, containingFile)) {
group.add(new ApplyIntentionAction(action, action.getText(), editor, containingFile));
}
}
if (group.getChildrenCount() > 0) {
editor.getScrollingModel().runActionOnScrollingFinished(new Runnable() {
@Override
public void run() {
JBPopupFactory.getInstance()
.createActionGroupPopup(null, group, SimpleDataContext.getProjectContext(null),
JBPopupFactory.ActionSelectionAid.SPEEDSEARCH, true)
.showInBestPositionFor(editor);
}
});
}
}
}
}
}
}
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