| /* |
| * Copyright 2000-2009 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.slicer; |
| |
| import com.intellij.analysis.AnalysisScope; |
| import com.intellij.analysis.AnalysisUIOptions; |
| import com.intellij.analysis.BaseAnalysisActionDialog; |
| import com.intellij.codeInsight.CodeInsightActionHandler; |
| import com.intellij.codeInsight.TargetElementUtilBase; |
| import com.intellij.codeInsight.hint.HintManager; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.module.Module; |
| import com.intellij.openapi.module.ModuleUtilCore; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * @author cdr |
| */ |
| public class SliceHandler implements CodeInsightActionHandler { |
| private final boolean myDataFlowToThis; |
| |
| public SliceHandler(boolean dataFlowToThis) { |
| myDataFlowToThis = dataFlowToThis; |
| } |
| |
| @Override |
| public void invoke(@NotNull final Project project, @NotNull final Editor editor, @NotNull final PsiFile file) { |
| PsiDocumentManager.getInstance(project).commitAllDocuments(); // prevents problems with smart pointers creation |
| PsiElement expression = getExpressionAtCaret(editor, file); |
| if (expression == null) { |
| HintManager.getInstance().showErrorHint(editor, "Cannot find what to analyze. Please stand on the expression or variable or method parameter and try again."); |
| return; |
| } |
| |
| SliceManager sliceManager = SliceManager.getInstance(project); |
| sliceManager.slice(expression,myDataFlowToThis, this); |
| } |
| |
| @Override |
| public boolean startInWriteAction() { |
| return false; |
| } |
| |
| @Nullable |
| public PsiElement getExpressionAtCaret(final Editor editor, final PsiFile file) { |
| int offset = TargetElementUtilBase.adjustOffset(file, editor.getDocument(), editor.getCaretModel().getOffset()); |
| if (offset == 0) { |
| return null; |
| } |
| PsiElement atCaret = file.findElementAt(offset); |
| |
| PsiElement element = PsiTreeUtil.getParentOfType(atCaret, PsiExpression.class, PsiVariable.class); |
| if (myDataFlowToThis && element instanceof PsiLiteralExpression) return null; |
| return element; |
| } |
| |
| public SliceAnalysisParams askForParams(PsiElement element, boolean dataFlowToThis, SliceManager.StoredSettingsBean storedSettingsBean, String dialogTitle) { |
| AnalysisScope analysisScope = new AnalysisScope(element.getContainingFile()); |
| Module module = ModuleUtilCore.findModuleForPsiElement(element); |
| String name = module == null ? null : module.getName(); |
| |
| Project myProject = element.getProject(); |
| AnalysisUIOptions analysisUIOptions = new AnalysisUIOptions(); |
| analysisUIOptions.save(storedSettingsBean.analysisUIOptions); |
| |
| BaseAnalysisActionDialog dialog = new BaseAnalysisActionDialog(dialogTitle, "Analyze scope", myProject, analysisScope, name, true, analysisUIOptions, |
| element); |
| dialog.show(); |
| if (!dialog.isOK()) return null; |
| |
| AnalysisScope scope = dialog.getScope(analysisUIOptions, analysisScope, myProject, module); |
| storedSettingsBean.analysisUIOptions.save(analysisUIOptions); |
| |
| SliceAnalysisParams params = new SliceAnalysisParams(); |
| params.scope = scope; |
| params.dataFlowToThis = dataFlowToThis; |
| return params; |
| } |
| } |