/*
 * 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.ui.tree.actions;

import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.xdebugger.impl.breakpoints.XExpressionImpl;
import com.intellij.xdebugger.impl.frame.XWatchesView;
import com.intellij.xdebugger.impl.ui.tree.nodes.XValueNodeImpl;
import org.jetbrains.annotations.NotNull;

/**
 * This action works only in the variables view, it is not generic action like {@see com.intellij.xdebugger.impl.actions.AddToWatchesAction}
 */
class XAddToWatchesAction extends XDebuggerTreeActionBase {
  @Override
  protected boolean isEnabled(@NotNull final XValueNodeImpl node, @NotNull AnActionEvent e) {
    return super.isEnabled(node, e) && node.getValueContainer().getEvaluationExpression() != null && e.getData(XWatchesView.DATA_KEY) != null;
  }

  @Override
  protected void perform(final XValueNodeImpl node, @NotNull final String nodeName, final AnActionEvent e) {
    XWatchesView watchesView = e.getData(XWatchesView.DATA_KEY);
    String expression = node.getValueContainer().getEvaluationExpression();
    if (watchesView != null && expression != null) {
      watchesView.addWatchExpression(XExpressionImpl.fromText(expression), -1, true);
    }
  }
}
@@ -704,16 +704,258 @@
 nEvent;%0A
+import com.intellij.openapi.project.Project;%0Aimport com.intellij.openapi.util.text.StringUtil;%0Aimport com.intellij.xdebugger.XDebugSession;%0Aimport com.intellij.xdebugger.XDebuggerManager;%0Aimport com.intellij.xdebugger.impl.XDebugSessionImpl;%0A
 import c
@@ -1589,27 +1589,19 @@
 null && 
-e.
 get
-Data(X
 WatchesV
@@ -1603,25 +1603,18 @@
 chesView
-.DATA_KEY
+(e
 ) != nul
@@ -1777,42 +1777,60 @@
 w = 
-e.
 get
-Data(XWatchesView.DATA_KEY);%0A
+WatchesView(e);%0A    if (watchesView != null) %7B%0A  
     
@@ -1909,36 +1909,147 @@
     
+  
 if (
-watchesView != null && e
+!StringUtil.isEmpty(expression)) %7B%0A        XExpressionImpl watchExpression = XExpressionImpl.fromText(expression);%0A        if (watchE
 xpre
@@ -2071,16 +2071,20 @@
 %7B%0A      
+    
 watchesV
@@ -2106,17 +2106,21 @@
 ression(
-X
+watch
 Expressi
@@ -2125,51 +2125,488 @@
 sion
-Impl.fromText(expression), -1, true);%0A    %7D
+, -1, true);%0A        %7D%0A      %7D%0A    %7D%0A  %7D%0A%0A  private static XWatchesView getWatchesView(@NotNull AnActionEvent e) %7B%0A    XWatchesView view = e.getData(XWatchesView.DATA_KEY);%0A    Project project = e.getProject();%0A    if (view == null && project != null) %7B%0A      XDebugSession session = XDebuggerManager.getInstance(project).getCurrentSession();%0A      if (session != null) %7B%0A        return ((XDebugSessionImpl)session).getSessionTab().getWatchesView();%0A      %7D%0A    %7D%0A    return null;
 %0A  %7D

add to watches action should work from evaluate and inspect