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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.debugger.actions;
import com.intellij.debugger.DebuggerContext;
import com.intellij.debugger.engine.JavaValue;
import com.intellij.debugger.engine.evaluation.EvaluateException;
import com.intellij.debugger.engine.evaluation.EvaluationContextImpl;
import com.intellij.debugger.engine.events.SuspendContextCommandImpl;
import com.intellij.debugger.ui.impl.watch.ValueDescriptorImpl;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.psi.PsiExpression;
import com.intellij.xdebugger.frame.*;
import com.intellij.xdebugger.impl.ui.tree.XDebuggerTree;
import com.intellij.xdebugger.impl.ui.tree.XInspectDialog;
import com.intellij.xdebugger.impl.ui.tree.actions.XDebuggerTreeActionBase;
import com.intellij.xdebugger.impl.ui.tree.nodes.XValueNodeImpl;
import com.sun.jdi.ObjectReference;
import com.sun.jdi.Value;
import org.jetbrains.annotations.NotNull;
import java.util.List;
/**
* @author egor
*/
public class ShowReferringObjectsAction extends XDebuggerTreeActionBase {
private static final long MAX_REFERRING = 100;
@Override
public void update(AnActionEvent e) {
super.update(e);
}
@Override
protected void perform(XValueNodeImpl node, @NotNull String nodeName, AnActionEvent e) {
XValue container = node.getValueContainer();
JavaValue javaValue = null;
if (container instanceof ReferringObjectsValue) {
javaValue = ((ReferringObjectsValue)container).myJavaValue;
}
else if (container instanceof JavaValue) {
javaValue = ((JavaValue)container);
}
if (javaValue != null) {
XDebuggerTree tree = XDebuggerTree.getTree(e.getDataContext());
XInspectDialog dialog = new XInspectDialog(tree.getProject(),
tree.getEditorsProvider(),
tree.getSourcePosition(),
nodeName,
new ReferringObjectsValue(javaValue),
tree.getValueMarkers());
dialog.setTitle("Referring objects for " + nodeName);
dialog.show();
}
}
private static class ReferringObjectsValue extends XValue {
private final JavaValue myJavaValue;
public ReferringObjectsValue(JavaValue javaValue) {
myJavaValue = javaValue;
}
@Override
public void computePresentation(@NotNull XValueNode node, @NotNull XValuePlace place) {
myJavaValue.computePresentation(node, place);
}
@Override
public void computeChildren(@NotNull final XCompositeNode node) {
myJavaValue.getEvaluationContext().getDebugProcess().getManagerThread().schedule(
new SuspendContextCommandImpl(myJavaValue.getEvaluationContext().getSuspendContext()) {
@Override
public Priority getPriority() {
return Priority.NORMAL;
}
@Override
public void contextAction() throws Exception {
final XValueChildrenList children = new XValueChildrenList();
Value value = myJavaValue.getDescriptor().getValue();
List<ObjectReference> references = ((ObjectReference)value).referringObjects(MAX_REFERRING);
int i = 1;
for (final ObjectReference reference : references) {
ValueDescriptorImpl descriptor = new ValueDescriptorImpl(myJavaValue.getProject(), reference) {
@Override
public Value calcValue(EvaluationContextImpl evaluationContext) throws EvaluateException {
return reference;
}
@Override
public String getName() {
return "Ref";
}
@Override
public String calcValueName() {
return "Ref";
}
@Override
public PsiExpression getDescriptorEvaluation(DebuggerContext context) throws EvaluateException {
return null;
}
};
JavaValue jValue = JavaValue.create(descriptor, myJavaValue.getEvaluationContext(), null);
children.add("Referrer " + i++ ,new ReferringObjectsValue(jValue));
}
node.addChildren(children, true);
}
}
);
}
}
}
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