navigation from dependencies panel

source/com/intellij/packageDependencies/ui/DependenciesPanel.java

@@ -23,6 +23,7 @@ import com.intellij.psi.*;
 import com.intellij.ui.*;
 import com.intellij.ui.content.Content;
 import com.intellij.util.Icons;
+import com.intellij.util.EditSourceOnDoubleClickHandler;
 import com.intellij.util.ui.Tree;
 import com.intellij.util.ui.tree.TreeUtil;
 
@@ -211,20 +212,12 @@ public class DependenciesPanel extends JPanel {
     TreeToolTipHandler.install(tree);
     TreeUtil.installActions(tree);
     SmartExpander.installOn(tree);
+    EditSourceOnDoubleClickHandler.install(tree);
     new TreeSpeedSearch(tree);
 
     PopupHandler.installUnknownPopupHandler(tree, createTreePopupActions(isRightTree), ActionManager.getInstance());
 
-    tree.addMouseListener(new MouseAdapter() {
-      public void mouseClicked(MouseEvent e) {
-        if (e.isPopupTrigger() && e.getClickCount() == 2) {
-          Navigatable navigatable = (Navigatable)tree.getData(DataConstants.NAVIGATABLE);
-          if (navigatable != null && navigatable.canNavigate()) {
-            navigatable.navigate(true);
-          }
-        }
-      }
-    });
+
   }
 
   private void updateRightTreeModel() {
@@ -534,8 +527,8 @@ public class DependenciesPanel extends JPanel {
   private static class MyTree extends Tree implements DataProvider {
     public Object getData(String dataId) {
       PackageDependenciesNode node = getSelectedNode();
-      if (node != null && DataConstants.PSI_ELEMENT.equals(dataId)) {
-        return node.getPsiElement();
+      if (DataConstants.NAVIGATABLE.equals(dataId)) {
+        return node;
       }
       return null;
     }

source/com/intellij/packageDependencies/ui/PackageDependenciesNode.java

@@ -2,8 +2,13 @@ package com.intellij.packageDependencies.ui;
 
 import com.intellij.ide.IconUtilEx;
 import com.intellij.openapi.actionSystem.impl.EmptyIcon;
+import com.intellij.openapi.editor.Editor;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.fileEditor.FileEditorManager;
+import com.intellij.openapi.fileEditor.OpenFileDescriptor;
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.PsiFile;
+import com.intellij.pom.Navigatable;
 
 import javax.swing.*;
 import javax.swing.tree.DefaultMutableTreeNode;
@@ -11,7 +16,7 @@ import javax.swing.tree.MutableTreeNode;
 import java.util.HashSet;
 import java.util.Set;
 
-public class PackageDependenciesNode extends DefaultMutableTreeNode {
+public class PackageDependenciesNode extends DefaultMutableTreeNode implements Navigatable{
   private static final EmptyIcon EMPTY_ICON = EmptyIcon.create(0, IconUtilEx.getEmptyIcon(false).getIconHeight());
   private Set<PsiFile> myRegisteredFiles = new HashSet<PsiFile>();
   private boolean myHasUnmarked = false;
@@ -67,4 +72,33 @@ public class PackageDependenciesNode extends DefaultMutableTreeNode {
       }
     }
   }
+
+  public void navigate(boolean focus) {
+    if (canNavigate()) {
+      openTextEditor(focus);
+    }
+  }
+
+  private Editor openTextEditor(boolean focus) {
+    return FileEditorManager.getInstance(getProject()).openTextEditor(getDescriptor(), focus);
+  }
+
+  public boolean canNavigate() {
+    final OpenFileDescriptor descriptor = getDescriptor();
+    return descriptor != null ? descriptor.canNavigate() : false;
+  }
+
+  private Project getProject(){
+    if (getPsiElement() == null || getPsiElement().getContainingFile() == null){
+      return null;
+    }
+    return getPsiElement().getContainingFile().getProject();
+  }
+
+  private OpenFileDescriptor getDescriptor() {
+    if (getProject() == null){
+      return null;
+    }
+    return new OpenFileDescriptor(getProject(), getPsiElement().getContainingFile().getVirtualFile());
+  }
 }