| /* |
| * 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.usageView; |
| |
| import com.intellij.analysis.AnalysisScope; |
| import com.intellij.openapi.Disposable; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.Disposer; |
| import com.intellij.openapi.wm.ToolWindow; |
| import com.intellij.openapi.wm.ToolWindowId; |
| import com.intellij.openapi.wm.ToolWindowManager; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.PsiJavaFile; |
| import com.intellij.psi.PsiVariable; |
| import com.intellij.slicer.*; |
| import com.intellij.usages.*; |
| import com.intellij.usages.impl.UsageContextPanelBase; |
| import com.intellij.usages.impl.UsageViewImpl; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import javax.swing.*; |
| import java.awt.*; |
| import java.util.List; |
| |
| public class UsageContextDataflowToPanel extends UsageContextPanelBase { |
| @NotNull private final UsageViewPresentation myPresentation; |
| private JComponent myPanel; |
| |
| public static class Provider implements UsageContextPanel.Provider { |
| @NotNull |
| @Override |
| public UsageContextPanel create(@NotNull UsageView usageView) { |
| return new UsageContextDataflowToPanel(((UsageViewImpl)usageView).getProject(), usageView.getPresentation()); |
| } |
| |
| @Override |
| public boolean isAvailableFor(@NotNull UsageView usageView) { |
| UsageTarget[] targets = ((UsageViewImpl)usageView).getTargets(); |
| if (targets.length == 0) return false; |
| UsageTarget target = targets[0]; |
| if (!(target instanceof PsiElementUsageTarget)) return false; |
| PsiElement element = ((PsiElementUsageTarget)target).getElement(); |
| if (element == null || !element.isValid()) return false; |
| if (!(element instanceof PsiVariable)) return false; |
| PsiFile file = element.getContainingFile(); |
| return file instanceof PsiJavaFile; |
| } |
| @NotNull |
| @Override |
| public String getTabTitle() { |
| return "Dataflow to Here"; |
| } |
| } |
| |
| public UsageContextDataflowToPanel(@NotNull Project project, @NotNull UsageViewPresentation presentation) { |
| super(project, presentation); |
| myPresentation = presentation; |
| } |
| |
| @Override |
| public void dispose() { |
| super.dispose(); |
| myPanel = null; |
| } |
| |
| @Override |
| public void updateLayoutLater(@Nullable final List<UsageInfo> infos) { |
| if (infos == null) { |
| removeAll(); |
| JComponent titleComp = new JLabel(UsageViewBundle.message("select.the.usage.to.preview", myPresentation.getUsagesWord()), SwingConstants.CENTER); |
| add(titleComp, BorderLayout.CENTER); |
| revalidate(); |
| } |
| else { |
| PsiElement element = getElementToSliceOn(infos); |
| if (element == null) return; |
| if (myPanel != null) { |
| Disposer.dispose((Disposable)myPanel); |
| } |
| |
| JComponent panel = createPanel(element, isDataflowToThis()); |
| myPanel = panel; |
| Disposer.register(this, (Disposable)panel); |
| removeAll(); |
| add(panel, BorderLayout.CENTER); |
| revalidate(); |
| } |
| } |
| |
| protected boolean isDataflowToThis() { |
| return true; |
| } |
| |
| @NotNull |
| private static SliceAnalysisParams createParams(PsiElement element, boolean dataFlowToThis) { |
| SliceAnalysisParams params = new SliceAnalysisParams(); |
| params.scope = new AnalysisScope(element.getProject()); |
| params.dataFlowToThis = dataFlowToThis; |
| params.showInstanceDereferences = true; |
| return params; |
| } |
| |
| @NotNull |
| protected JComponent createPanel(@NotNull PsiElement element, final boolean dataFlowToThis) { |
| ToolWindow toolWindow = ToolWindowManager.getInstance(myProject).getToolWindow(ToolWindowId.FIND); |
| SliceAnalysisParams params = createParams(element, dataFlowToThis); |
| |
| SliceRootNode rootNode = new SliceRootNode(myProject, new DuplicateMap(), SliceUsage.createRootUsage(element, params)); |
| |
| return new SlicePanel(myProject, dataFlowToThis, rootNode, false, toolWindow) { |
| @Override |
| public boolean isToShowAutoScrollButton() { |
| return false; |
| } |
| |
| @Override |
| public boolean isToShowPreviewButton() { |
| return false; |
| } |
| |
| @Override |
| public boolean isToShowCloseButton() { |
| return false; |
| } |
| |
| @Override |
| public boolean isAutoScroll() { |
| return false; |
| } |
| |
| @Override |
| public void setAutoScroll(boolean autoScroll) { |
| } |
| |
| @Override |
| public boolean isPreview() { |
| return false; |
| } |
| |
| @Override |
| public void setPreview(boolean preview) { |
| } |
| }; |
| } |
| |
| private static PsiElement getElementToSliceOn(@NotNull List<UsageInfo> infos) { |
| UsageInfo info = infos.get(0); |
| return info.getElement(); |
| } |
| } |