/* * Copyright 1999-2005 The Apache Software Foundation. *  * 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 org.apache.log4j.lf5.viewer.categoryexplorer;import javax.swing.*;import javax.swing.tree.DefaultTreeCellEditor;import javax.swing.tree.TreePath;import java.awt.*;import java.awt.event.MouseEvent;import java.util.EventObject;/** * CategoryImmediateEditor * * @author Michael J. Sikorsky * @author Robert Shaw */// Contributed by ThoughtWorks Inc.public class CategoryImmediateEditor extends DefaultTreeCellEditor {  //--------------------------------------------------------------------------  //   Constants:  //--------------------------------------------------------------------------  //--------------------------------------------------------------------------  //   Protected Variables:  //--------------------------------------------------------------------------  private CategoryNodeRenderer renderer;  protected Icon editingIcon = null;  //--------------------------------------------------------------------------  //   Private Variables:  //--------------------------------------------------------------------------  //--------------------------------------------------------------------------  //   Constructors:  //--------------------------------------------------------------------------  public CategoryImmediateEditor(JTree tree,      CategoryNodeRenderer renderer,      CategoryNodeEditor editor) {    super(tree, renderer, editor);    this.renderer = renderer;    renderer.setIcon(null);    renderer.setLeafIcon(null);    renderer.setOpenIcon(null);    renderer.setClosedIcon(null);    super.editingIcon = null;  }  //--------------------------------------------------------------------------  //   Public Methods:  //--------------------------------------------------------------------------  public boolean shouldSelectCell(EventObject e) {    boolean rv = false;  // only mouse events    if (e instanceof MouseEvent) {      MouseEvent me = (MouseEvent) e;      TreePath path = tree.getPathForLocation(me.getX(),          me.getY());      CategoryNode node = (CategoryNode)          path.getLastPathComponent();      rv = node.isLeaf() /*|| !inCheckBoxHitRegion(me)*/;    }    return rv;  }  public boolean inCheckBoxHitRegion(MouseEvent e) {    TreePath path = tree.getPathForLocation(e.getX(),        e.getY());    if (path == null) {      return false;    }    CategoryNode node = (CategoryNode) path.getLastPathComponent();    boolean rv = false;    if (true) {      // offset and lastRow DefaultTreeCellEditor      // protected members      Rectangle bounds = tree.getRowBounds(lastRow);      Dimension checkBoxOffset =          renderer.getCheckBoxOffset();      bounds.translate(offset + checkBoxOffset.width,          checkBoxOffset.height);      rv = bounds.contains(e.getPoint());    }    return true;  }  //--------------------------------------------------------------------------  //   Protected Methods:  //--------------------------------------------------------------------------  protected boolean canEditImmediately(EventObject e) {    boolean rv = false;    if (e instanceof MouseEvent) {      MouseEvent me = (MouseEvent) e;      rv = inCheckBoxHitRegion(me);    }    return rv;  }  protected void determineOffset(JTree tree, Object value,      boolean isSelected, boolean expanded,      boolean leaf, int row) {    // Very important: means that the tree won't jump around.    offset = 0;  }  //--------------------------------------------------------------------------  //   Private Methods:  //--------------------------------------------------------------------------  //--------------------------------------------------------------------------  //   Nested Top-Level Classes or Interfaces:  //--------------------------------------------------------------------------}