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/*
* Copyright 2000-2009 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.slicer;
import com.intellij.ide.projectView.PresentationData;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.ui.SimpleTextAttributes;
import com.intellij.usageView.UsageViewBundle;
import com.intellij.usages.ChunkExtractor;
import com.intellij.usages.TextChunk;
import com.intellij.usages.Usage;
import com.intellij.usages.UsageInfo2UsageAdapter;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/**
* @author cdr
*/
public class SliceLeafValueRootNode extends SliceNode implements MyColoredTreeCellRenderer {
protected final List<SliceNode> myCachedChildren;
public SliceLeafValueRootNode(@NotNull Project project, PsiElement leafExpression, SliceNode root, List<SliceNode> children,
SliceAnalysisParams params) {
super(project, new SliceUsage(leafExpression, params), root.targetEqualUsages);
myCachedChildren = children;
}
@Override
@NotNull
public Collection<SliceNode> getChildren() {
return myCachedChildren;
}
@Override
protected void update(PresentationData presentation) {
}
@Override
public String toString() {
Usage myLeafExpression = getValue();
String text;
if (myLeafExpression instanceof UsageInfo2UsageAdapter) {
PsiElement element = ((UsageInfo2UsageAdapter)myLeafExpression).getUsageInfo().getElement();
text = element == null ? "" : element.getText();
}
else {
text = "Other";
}
return "Value: "+ text;
}
@Override
public void customizeCellRenderer(SliceUsageCellRenderer renderer,
JTree tree,
Object value,
boolean selected,
boolean expanded,
boolean leaf,
int row,
boolean hasFocus) {
Usage usage = getValue();
renderer.append("Value: ", SimpleTextAttributes.REGULAR_ATTRIBUTES);
if (usage instanceof UsageInfo2UsageAdapter) {
PsiElement element = ((UsageInfo2UsageAdapter)usage).getElement();
if (element == null) {
renderer.append(UsageViewBundle.message("node.invalid") + " ", SliceUsageCellRenderer.ourInvalidAttributes);
}
else {
appendElementText((UsageInfo2UsageAdapter)usage, element, renderer);
}
}
else {
renderer.append("Other", SimpleTextAttributes.REGULAR_BOLD_ATTRIBUTES);
}
}
private static void appendElementText(@NotNull UsageInfo2UsageAdapter usage,
@NotNull final PsiElement element,
@NotNull final SliceUsageCellRenderer renderer) {
PsiFile file = element.getContainingFile();
List<TextChunk> result = new ArrayList<TextChunk>();
ChunkExtractor.getExtractor(element.getContainingFile()).createTextChunks(usage, file.getText(), element.getTextRange().getStartOffset(), element.getTextRange().getEndOffset(),
false, result);
for (TextChunk chunk : result) {
renderer.append(chunk.getText(), chunk.getSimpleAttributesIgnoreBackground());
}
}
}
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