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The source code/* * Copyright (C) The Apache Software Foundation. All rights reserved. * * This software is published under the terms of the Apache Software * License version 1.1, a copy of which has been included with this * distribution in the LICENSE.txt file. */ 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: //-------------------------------------------------------------------------- } |
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