platform/xdebugger-impl/src/com/intellij/xdebugger/impl/actions/handlers/XToggleLineBreakpointActionHandler.java

/*
 * 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.xdebugger.impl.actions.handlers;

import com.intellij.codeInsight.folding.impl.actions.ExpandRegionAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.actionSystem.PlatformDataKeys;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.xdebugger.XDebuggerUtil;
import com.intellij.xdebugger.XSourcePosition;
import com.intellij.xdebugger.XDebuggerManager;
import com.intellij.xdebugger.breakpoints.XBreakpointProperties;
import com.intellij.xdebugger.breakpoints.XLineBreakpoint;
import com.intellij.xdebugger.breakpoints.XLineBreakpointType;
import com.intellij.xdebugger.breakpoints.XBreakpointManager;
import com.intellij.xdebugger.impl.XDebuggerUtilImpl;
import com.intellij.xdebugger.impl.actions.DebuggerActionHandler;
import org.jetbrains.annotations.NotNull;

/**
 * @author nik
 */
public class XToggleLineBreakpointActionHandler extends DebuggerActionHandler {

  private final boolean myTemporary;

  public XToggleLineBreakpointActionHandler(boolean temporary) {
    myTemporary = temporary;
  }

  public boolean isEnabled(@NotNull final Project project, final AnActionEvent event) {
    XSourcePosition position = XDebuggerUtilImpl.getCaretPosition(project, event.getDataContext());
    if (position == null) return false;

    XLineBreakpointType<?>[] breakpointTypes = XDebuggerUtil.getInstance().getLineBreakpointTypes();
    final XBreakpointManager breakpointManager = XDebuggerManager.getInstance(project).getBreakpointManager();
    for (XLineBreakpointType<?> breakpointType : breakpointTypes) {
      final VirtualFile file = position.getFile();
      final int line = position.getLine();
      if (breakpointType.canPutAt(file, line, project) || breakpointManager.findBreakpointAtLine(breakpointType, file, line) != null) {
        return true;
      }
    }
    return false;
  }

  public void perform(@NotNull final Project project, final AnActionEvent event) {
    XSourcePosition position = XDebuggerUtilImpl.getCaretPosition(project, event.getDataContext());
    if (position == null) return;

    ExpandRegionAction.expandRegionAtCaret(project, event.getData(CommonDataKeys.EDITOR));

    int line = position.getLine();
    VirtualFile file = position.getFile();
    final XBreakpointManager breakpointManager = XDebuggerManager.getInstance(project).getBreakpointManager();
    for (XLineBreakpointType<?> type : XDebuggerUtil.getInstance().getLineBreakpointTypes()) {
      final XLineBreakpoint<? extends XBreakpointProperties> breakpoint = breakpointManager.findBreakpointAtLine(type, file, line);
      if (breakpoint != null && myTemporary && !breakpoint.isTemporary()) {
        breakpoint.setTemporary(true);
      } else if (type.canPutAt(file, line, project) || breakpoint != null) {
        XDebuggerUtil.getInstance().toggleLineBreakpoint(project, type, file, line, myTemporary);
        return;
      }
    }
  }

}