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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.codeInspection.actions;
import com.intellij.codeInspection.ex.InspectionToolWrapper;
import com.intellij.ide.util.gotoByName.ChooseByNameBase;
import com.intellij.lang.Language;
import com.intellij.openapi.fileTypes.LanguageFileType;
import com.intellij.openapi.fileTypes.UnknownFileType;
import com.intellij.openapi.util.TextRange;
import com.intellij.openapi.util.registry.Registry;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.codeStyle.MinusculeMatcher;
import com.intellij.ui.JBColor;
import com.intellij.ui.SimpleColoredComponent;
import com.intellij.ui.SimpleTextAttributes;
import com.intellij.ui.speedSearch.SpeedSearchUtil;
import com.intellij.util.text.Matcher;
import com.intellij.util.text.MatcherHolder;
import com.intellij.util.ui.UIUtil;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
import java.awt.*;
import java.util.ArrayList;
import java.util.List;
/**
* @author Konstantin Bulenkov
*/
@SuppressWarnings({"GtkPreferredJComboBoxRenderer"})
public class InspectionListCellRenderer extends DefaultListCellRenderer implements MatcherHolder {
private Matcher myMatcher;
private final SimpleTextAttributes mySelected;
private final SimpleTextAttributes myPlain;
private final SimpleTextAttributes myHighlighted;
public InspectionListCellRenderer() {
mySelected = new SimpleTextAttributes(UIUtil.getListSelectionBackground(),
UIUtil.getListSelectionForeground(),
JBColor.RED,
SimpleTextAttributes.STYLE_PLAIN);
myPlain = new SimpleTextAttributes(UIUtil.getListBackground(),
UIUtil.getListForeground(),
JBColor.RED,
SimpleTextAttributes.STYLE_PLAIN);
myHighlighted = new SimpleTextAttributes(UIUtil.getListBackground(),
UIUtil.getListForeground(),
null,
SimpleTextAttributes.STYLE_SEARCH_MATCH);
}
@Override
public Component getListCellRendererComponent(JList list, Object value, int index, boolean sel, boolean focus) {
final BorderLayout layout = new BorderLayout();
layout.setHgap(5);
final JPanel panel = new JPanel(layout);
panel.setOpaque(true);
final Color bg = sel ? UIUtil.getListSelectionBackground() : UIUtil.getListBackground();
final Color fg = sel ? UIUtil.getListSelectionForeground() : UIUtil.getListForeground();
panel.setBackground(bg);
panel.setForeground(fg);
if (value instanceof InspectionToolWrapper) {
final InspectionToolWrapper toolWrapper = (InspectionToolWrapper)value;
final String inspectionName = " " + toolWrapper.getDisplayName();
final String groupName = StringUtil.join(toolWrapper.getGroupPath(), " | ");
final String matchingText = inspectionName + "|" + groupName;
List<TextRange> fragments = ((MinusculeMatcher)myMatcher).matchingFragments(matchingText);
List<TextRange> adjustedFragments = new ArrayList<TextRange>();
if (fragments != null) {
adjustedFragments.addAll(fragments);
}
final int splitPoint = adjustRanges(adjustedFragments, inspectionName.length() + 1);
final SimpleColoredComponent c = new SimpleColoredComponent();
final boolean matchHighlighting = Registry.is("ide.highlight.match.in.selected.only") && !sel;
if (matchHighlighting) {
c.append(inspectionName, myPlain);
}
else {
final List<TextRange> ranges = adjustedFragments.subList(0, splitPoint);
SpeedSearchUtil.appendColoredFragments(c, inspectionName, ranges, sel ? mySelected : myPlain, myHighlighted);
}
panel.add(c, BorderLayout.WEST);
final SimpleColoredComponent group = new SimpleColoredComponent();
if (matchHighlighting) {
group.append(groupName, SimpleTextAttributes.GRAYED_ATTRIBUTES);
}
else {
final SimpleTextAttributes attributes = sel ? mySelected : SimpleTextAttributes.GRAYED_ATTRIBUTES;
final List<TextRange> ranges = adjustedFragments.subList(splitPoint, adjustedFragments.size());
SpeedSearchUtil.appendColoredFragments(group, groupName, ranges, attributes, myHighlighted);
}
final JPanel right = new JPanel(new BorderLayout());
right.setBackground(bg);
right.setForeground(fg);
right.add(group, BorderLayout.CENTER);
final JLabel icon = new JLabel(getIcon(toolWrapper));
icon.setBackground(bg);
icon.setForeground(fg);
right.add(icon, BorderLayout.EAST);
panel.add(right, BorderLayout.EAST);
}
else {
// E.g. "..." item
return value == ChooseByNameBase.NON_PREFIX_SEPARATOR ? ChooseByNameBase.renderNonPrefixSeparatorComponent(UIUtil.getListBackground()) :
super.getListCellRendererComponent(list, value, index, sel, focus);
}
return panel;
}
private static int adjustRanges(List<TextRange> ranges, int offset) {
int result = 0;
for (int i = 0; i < ranges.size(); i++) {
final TextRange range = ranges.get(i);
final int startOffset = range.getStartOffset();
if (startOffset < offset) {
result = i + 1;
}
else {
ranges.set(i, new TextRange(startOffset - offset, range.getEndOffset() - offset));
}
}
return result;
}
@NotNull
private static Icon getIcon(@NotNull InspectionToolWrapper tool) {
Icon icon = null;
final Language language = Language.findLanguageByID(tool.getLanguage());
if (language != null) {
final LanguageFileType fileType = language.getAssociatedFileType();
if (fileType != null) {
icon = fileType.getIcon();
}
}
if (icon == null) {
icon = UnknownFileType.INSTANCE.getIcon();
}
assert icon != null;
return icon;
}
@Override
public void setPatternMatcher(Matcher matcher) {
myMatcher = matcher;
}
}
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