| /* |
| * 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.packageDependencies.ui; |
| |
| import com.intellij.analysis.AnalysisScopeBundle; |
| import com.intellij.openapi.Disposable; |
| import com.intellij.openapi.actionSystem.DataProvider; |
| import com.intellij.openapi.actionSystem.PlatformDataKeys; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.progress.ProcessCanceledException; |
| import com.intellij.openapi.progress.ProgressIndicator; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.Disposer; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.usageView.UsageInfo; |
| import com.intellij.usages.*; |
| import com.intellij.util.Alarm; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import javax.swing.*; |
| import java.awt.*; |
| |
| public abstract class UsagesPanel extends JPanel implements Disposable, DataProvider { |
| protected static final Logger LOG = Logger.getInstance("#com.intellij.packageDependencies.ui.UsagesPanel"); |
| |
| private final Project myProject; |
| protected ProgressIndicator myCurrentProgress; |
| private JComponent myCurrentComponent; |
| private UsageView myCurrentUsageView; |
| protected final Alarm myAlarm = new Alarm(Alarm.ThreadToUse.SWING_THREAD); |
| |
| public UsagesPanel(Project project) { |
| super(new BorderLayout()); |
| myProject = project; |
| } |
| |
| public void setToInitialPosition() { |
| cancelCurrentFindRequest(); |
| setToComponent(createLabel(getInitialPositionText())); |
| } |
| |
| public abstract String getInitialPositionText(); |
| public abstract String getCodeUsagesString(); |
| |
| |
| protected void cancelCurrentFindRequest() { |
| if (myCurrentProgress != null) { |
| myCurrentProgress.cancel(); |
| } |
| } |
| |
| protected void showUsages(@NotNull PsiElement[] primaryElements, @NotNull UsageInfo[] usageInfos) { |
| if (myCurrentUsageView != null) { |
| Disposer.dispose(myCurrentUsageView); |
| } |
| try { |
| Usage[] usages = UsageInfoToUsageConverter.convert(primaryElements, usageInfos); |
| UsageViewPresentation presentation = new UsageViewPresentation(); |
| presentation.setCodeUsagesString(getCodeUsagesString()); |
| myCurrentUsageView = UsageViewManager.getInstance(myProject).createUsageView(UsageTarget.EMPTY_ARRAY, usages, presentation, null); |
| setToComponent(myCurrentUsageView.getComponent()); |
| } |
| catch (ProcessCanceledException e) { |
| setToCanceled(); |
| } |
| } |
| |
| private void setToCanceled() { |
| setToComponent(createLabel(AnalysisScopeBundle.message("usage.view.canceled"))); |
| } |
| |
| protected void setToComponent(final JComponent cmp) { |
| SwingUtilities.invokeLater(new Runnable() { |
| @Override |
| public void run() { |
| if (myCurrentComponent != null) { |
| if (myCurrentUsageView != null && myCurrentComponent == myCurrentUsageView.getComponent()){ |
| Disposer.dispose(myCurrentUsageView); |
| } |
| remove(myCurrentComponent); |
| } |
| myCurrentComponent = cmp; |
| add(cmp, BorderLayout.CENTER); |
| revalidate(); |
| } |
| }); |
| } |
| |
| @Override |
| public void dispose(){ |
| if (myCurrentUsageView != null){ |
| Disposer.dispose(myCurrentUsageView); |
| } |
| } |
| |
| private static JComponent createLabel(String text) { |
| JLabel label = new JLabel(text); |
| label.setHorizontalAlignment(SwingConstants.CENTER); |
| return label; |
| } |
| |
| @Override |
| @Nullable |
| @NonNls |
| public Object getData(@NonNls String dataId) { |
| if (PlatformDataKeys.HELP_ID.is(dataId)) { |
| return "ideaInterface.find"; |
| } |
| return null; |
| } |
| } |