java/idea-ui/src/com/intellij/ide/util/newProjectWizard/FrameworksTree.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.ide.util.newProjectWizard;
  17
  18 import com.intellij.ui.CheckboxTree;
  19 import com.intellij.ui.CheckedTreeNode;
  20 import com.intellij.util.ui.tree.TreeUtil;
  21
  22 import javax.swing.*;
  23 import javax.swing.tree.TreePath;
  24 import java.awt.*;
  25 import java.awt.event.MouseEvent;
  26 import java.util.List;
  27
  28 /**
  29  * @author nik
  30  */
  31 public class FrameworksTree extends CheckboxTree {
  32   private boolean myProcessingMouseEventOnCheckbox;
  33
  34   public FrameworksTree(List<List<FrameworkSupportNode>> groups) {
  35     super(new FrameworksTreeRenderer(), new FrameworksRootNode(groups), new CheckPolicy(false, true, true, false));
  36     setRootVisible(false);
  37     setShowsRootHandles(false);
  38     TreeUtil.expandAll(this);
  39   }
  40
  41   @Override
  42   protected void processMouseEvent(MouseEvent e) {
  43     final TreePath path = getPathForLocation(e.getX(), e.getY());
  44     if (path != null) {
  45       final Object node = path.getLastPathComponent();
  46       if (node instanceof FrameworkSupportNode) {
  47         final Rectangle checkboxBounds = ((CheckboxTreeCellRendererBase)getCellRenderer()).myCheckbox.getBounds();
  48         final Rectangle pathBounds = getPathBounds(path);
  49         checkboxBounds.setLocation(pathBounds.getLocation());
  50         if (checkboxBounds.contains(e.getPoint())) {
  51           try {
  52             myProcessingMouseEventOnCheckbox = true;
  53             super.processMouseEvent(e);
  54           }
  55           finally {
  56             myProcessingMouseEventOnCheckbox = false;
  57           }
  58           return;
  59         }
  60       }
  61     }
  62
  63     super.processMouseEvent(e);
  64   }
  65
  66   public boolean isProcessingMouseEventOnCheckbox() {
  67     return myProcessingMouseEventOnCheckbox;
  68   }
  69
  70   private static class FrameworksTreeRenderer extends CheckboxTreeCellRenderer {
  71     private FrameworksTreeRenderer() {
  72       super(true, false);
  73     }
  74
  75     @Override
  76     public void customizeRenderer(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) {
  77       if (value instanceof FrameworkSupportNode) {
  78         final FrameworkSupportNode node = (FrameworkSupportNode)value;
  79         getTextRenderer().append(node.getTitle());
  80         getTextRenderer().setIcon(node.getProvider().getIcon());
  81       }
  82     }
  83   }
  84
  85   private static class FrameworksRootNode extends CheckedTreeNode {
  86     public FrameworksRootNode(List<List<FrameworkSupportNode>> groups) {
  87       super(null);
  88       for (List<FrameworkSupportNode> group : groups) {
  89         for (FrameworkSupportNode node : group) {
  90           add(node);
  91         }
  92       }
  93     }
  94   }
  95 }