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/*
* 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.
*/
/**
* class ToggleMethodBreakpointAction
* @author Jeka
*/
package com.intellij.debugger.actions;
import com.intellij.debugger.DebuggerManagerEx;
import com.intellij.debugger.engine.requests.RequestManagerImpl;
import com.intellij.debugger.impl.DebuggerUtilsEx;
import com.intellij.debugger.ui.breakpoints.Breakpoint;
import com.intellij.debugger.ui.breakpoints.BreakpointManager;
import com.intellij.debugger.ui.breakpoints.MethodBreakpoint;
import com.intellij.openapi.actionSystem.*;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.fileEditor.FileEditorManager;
import com.intellij.openapi.fileTypes.FileType;
import com.intellij.openapi.fileTypes.StdFileTypes;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiDocumentManager;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiMethod;
import com.intellij.util.text.CharArrayUtil;
import org.jetbrains.annotations.Nullable;
public class ToggleMethodBreakpointAction extends AnAction {
public void update(AnActionEvent event){
boolean toEnable = getPlace(event) != null;
if (ActionPlaces.isPopupPlace(event.getPlace())) {
event.getPresentation().setVisible(toEnable);
}
else {
event.getPresentation().setEnabled(toEnable);
}
}
public void actionPerformed(AnActionEvent e) {
Project project = e.getData(CommonDataKeys.PROJECT);
if (project == null) {
return;
}
DebuggerManagerEx debugManager = DebuggerManagerEx.getInstanceEx(project);
if (debugManager == null) {
return;
}
final BreakpointManager manager = debugManager.getBreakpointManager();
final PlaceInDocument place = getPlace(e);
if(place != null) {
Breakpoint breakpoint = manager.findBreakpoint(place.getDocument(), place.getOffset(), MethodBreakpoint.CATEGORY);
if(breakpoint == null) {
final int methodLine = place.getDocument().getLineNumber(place.getOffset());
MethodBreakpoint methodBreakpoint = manager.addMethodBreakpoint(place.getDocument(), methodLine);
if(methodBreakpoint != null) {
RequestManagerImpl.createRequests(methodBreakpoint);
}
}
else {
manager.removeBreakpoint(breakpoint);
}
}
}
@Nullable
private static PlaceInDocument getPlace(AnActionEvent event) {
final Project project = event.getData(CommonDataKeys.PROJECT);
if(project == null) {
return null;
}
PsiElement method = null;
Document document = null;
if (ActionPlaces.PROJECT_VIEW_POPUP.equals(event.getPlace()) ||
ActionPlaces.STRUCTURE_VIEW_POPUP.equals(event.getPlace()) ||
ActionPlaces.FAVORITES_VIEW_POPUP.equals(event.getPlace()) ||
ActionPlaces.NAVIGATION_BAR_POPUP.equals(event.getPlace())) {
final PsiElement psiElement = event.getData(CommonDataKeys.PSI_ELEMENT);
if(psiElement instanceof PsiMethod) {
final PsiFile containingFile = psiElement.getContainingFile();
if (containingFile != null) {
method = psiElement;
document = PsiDocumentManager.getInstance(project).getDocument(containingFile);
}
}
}
else {
Editor editor = event.getData(CommonDataKeys.EDITOR);
if(editor == null) {
editor = FileEditorManager.getInstance(project).getSelectedTextEditor();
}
if (editor != null) {
document = editor.getDocument();
PsiFile file = PsiDocumentManager.getInstance(project).getPsiFile(document);
if (file != null) {
final VirtualFile virtualFile = file.getVirtualFile();
FileType fileType = virtualFile != null ? virtualFile.getFileType() : null;
if (StdFileTypes.JAVA == fileType || StdFileTypes.CLASS == fileType) {
method = findMethod(project, editor);
}
}
}
}
return method != null ? new PlaceInDocument(document, method.getTextOffset()) : null;
}
@Nullable
private static PsiMethod findMethod(Project project, Editor editor) {
if (editor == null) {
return null;
}
PsiFile psiFile = PsiDocumentManager.getInstance(project).getPsiFile(editor.getDocument());
if(psiFile == null) {
return null;
}
final int offset = CharArrayUtil.shiftForward(editor.getDocument().getCharsSequence(), editor.getCaretModel().getOffset(), " \t");
return DebuggerUtilsEx.findPsiMethod(psiFile, offset);
}
}
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