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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.usages;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.components.ServiceManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Computable;
import com.intellij.openapi.util.Factory;
import com.intellij.psi.PsiElement;
import com.intellij.usages.rules.PsiElementUsage;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* @author max
*/
public abstract class UsageViewManager {
public static UsageViewManager getInstance (Project project) {
return ServiceManager.getService(project, UsageViewManager.class);
}
@NotNull
public abstract UsageView createUsageView(@NotNull UsageTarget[] targets, @NotNull Usage[] usages, @NotNull UsageViewPresentation presentation, Factory<UsageSearcher> usageSearcherFactory);
@NotNull
public abstract UsageView showUsages(@NotNull UsageTarget[] searchedFor, @NotNull Usage[] foundUsages, @NotNull UsageViewPresentation presentation, Factory<UsageSearcher> factory);
@NotNull
public abstract UsageView showUsages(@NotNull UsageTarget[] searchedFor, @NotNull Usage[] foundUsages, @NotNull UsageViewPresentation presentation);
@Nullable ("returns null in case of no usages found or usage view not shown for one usage")
public abstract UsageView searchAndShowUsages(@NotNull UsageTarget[] searchFor,
@NotNull Factory<UsageSearcher> searcherFactory,
boolean showPanelIfOnlyOneUsage,
boolean showNotFoundMessage,
@NotNull UsageViewPresentation presentation,
@Nullable UsageViewStateListener listener);
public interface UsageViewStateListener {
void usageViewCreated(@NotNull UsageView usageView);
void findingUsagesFinished(UsageView usageView);
}
public abstract void searchAndShowUsages(@NotNull UsageTarget[] searchFor,
@NotNull Factory<UsageSearcher> searcherFactory,
@NotNull FindUsagesProcessPresentation processPresentation,
@NotNull UsageViewPresentation presentation,
@Nullable UsageViewStateListener listener);
@Nullable
public abstract UsageView getSelectedUsageView();
public static boolean isSelfUsage(@NotNull final Usage usage, @NotNull final UsageTarget[] searchForTarget) {
if (!(usage instanceof PsiElementUsage)) return false;
return ApplicationManager.getApplication().runReadAction(new Computable<Boolean>() {
@Override
public Boolean compute() {
final PsiElement element = ((PsiElementUsage)usage).getElement();
if (element == null) return false;
for (UsageTarget ut : searchForTarget) {
if (ut instanceof PsiElementUsageTarget) {
if (isSelfUsage(element, ((PsiElementUsageTarget)ut).getElement())) {
return true;
}
}
}
return false;
}
});
}
private static boolean isSelfUsage(@NotNull PsiElement element, PsiElement psiElement) {
return element.getParent() == psiElement; // self usage might be configurable
}
}
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