/*
* Copyright 2003-2012 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 jetbrains.mps.idea.core.usages.rules;
import com.intellij.openapi.vcs.FileStatus;
import com.intellij.usages.Usage;
import com.intellij.usages.UsageGroup;
import com.intellij.usages.UsageView;
import com.intellij.usages.rules.OrderableUsageGroupingRule;
import com.intellij.util.PlatformIcons;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.Icon;
public class CategoryUsageGroupingRule implements OrderableUsageGroupingRule {
@Override
public UsageGroup groupUsage(@NotNull Usage usage) {
if (usage instanceof UsageByCategory) {
final String category = ((UsageByCategory) usage).getCategory();
return new CategoryUsageGroup(category);
}
return null;
}
@Override
public int getRank() {
return 1;
}
private static class CategoryUsageGroup implements UsageGroup {
private String myCategory;
public CategoryUsageGroup(String category) {
myCategory = category;
}
@Override
public Icon getIcon(boolean b) {
return PlatformIcons.DIRECTORY_CLOSED_ICON;
}
@NotNull
@Override
public String getText(@Nullable UsageView usageView) {
return myCategory;
}
@Override
public FileStatus getFileStatus() {
return null;
}
@Override
public boolean isValid() {
return true;
}
@Override
public void update() {
}
@Override
public int compareTo(UsageGroup usageGroup) {
return getText(null).compareToIgnoreCase(usageGroup.getText(null));
}
@Override
public void navigate(boolean b) {
}
@Override
public boolean canNavigate() {
return false;
}
@Override
public boolean canNavigateToSource() {
return false;
}
public int hashCode() {
return myCategory.hashCode();
}
public boolean equals(Object o) {
return this == o || (o instanceof CategoryUsageGroup && myCategory.equals(((CategoryUsageGroup) o).myCategory));
}
}
}