java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/artifacts/SimpleDnDAwareTree.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.openapi.roots.ui.configuration.artifacts;
  17
  18 import com.intellij.ide.dnd.DnDAware;
  19 import com.intellij.ui.treeStructure.SimpleTree;
  20 import com.intellij.util.ui.tree.TreeUtil;
  21 import org.jetbrains.annotations.NotNull;
  22
  23 import javax.swing.*;
  24 import java.awt.*;
  25 import java.awt.event.MouseEvent;
  26
  27 /**
  28  * @author nik
  29  */
  30 public class SimpleDnDAwareTree extends SimpleTree implements DnDAware {
  31   public void processMouseEvent(MouseEvent e) {
  32     if (getToolTipText() == null && e.getID() == MouseEvent.MOUSE_ENTERED) return;
  33     super.processMouseEvent(e);
  34   }
  35
  36   public boolean isOverSelection(Point point) {
  37     return TreeUtil.isOverSelection(this, point);
  38   }
  39
  40   public void dropSelectionButUnderPoint(Point point) {
  41     TreeUtil.dropSelectionButUnderPoint(this, point);
  42   }
  43
  44   @NotNull
  45   public JComponent getComponent() {
  46     return this;
  47   }
  48 }