Java tutorial
/*FreeMind - A Program for creating and viewing Mindmaps *Copyright (C) 2000-2001 Joerg Mueller <joergmueller@bigfoot.com> *See COPYING for Details * *This program is free software; you can redistribute it and/or *modify it under the terms of the GNU General Public License *as published by the Free Software Foundation; either version 2 *of the License, or (at your option) any later version. * *This program is distributed in the hope that it will be useful, *but WITHOUT ANY WARRANTY; without even the implied warranty of *MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *GNU General Public License for more details. * *You should have received a copy of the GNU General Public License *along with this program; if not, write to the Free Software *Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* $Id: ClickableImageCreator.java,v 1.1.2.1.12.6 2007/06/20 21:52:28 dpolivaev Exp $ */ package accessories.plugins.util.html; import java.awt.Point; import java.awt.Rectangle; import java.io.File; import java.util.Iterator; import java.util.List; import java.util.Vector; import javax.swing.JComponent; import org.apache.commons.lang.StringEscapeUtils; import freemind.main.Tools; import freemind.modes.MindMapNode; import freemind.modes.ModeController; import freemind.view.mindmapview.MapView; import freemind.view.mindmapview.NodeView; /** */ public class ClickableImageCreator { public static class AreaHolder { // <area shape="rect" href="#id47808" alt="Import/Export of parts of a // map" title="Import/Export of parts of a map" coords="" /> // <area shape="rect" href="#id47708" alt="Screenshots cross-red coming // soon." title="Screenshots cross-red coming soon." // coords="699,143,835,168" /> String shape = "rect"; String href; String alt; String title; Rectangle coordinates = new Rectangle(); } Vector area = new Vector(); private final MindMapNode root; private final ModeController modeController; private Rectangle innerBounds; private final String regExpLinkReplacement; private MapView mapView; /** * @param regExpLinkReplacement if for example the link abc must be replaced with FMabcFM, * then this string has to be FM$1FM. */ public ClickableImageCreator(MindMapNode root, ModeController modeController, String regExpLinkReplacement) { super(); this.root = root; this.regExpLinkReplacement = regExpLinkReplacement; mapView = modeController.getView(); if (mapView != null) { innerBounds = mapView.getInnerBounds(); } else { // test case: give any bounds: innerBounds = new Rectangle(0, 0, 100, 100); } this.modeController = modeController; createArea(); } public String generateHtml() { StringBuffer htmlArea = new StringBuffer(); for (Iterator i = area.iterator(); i.hasNext();) { AreaHolder holder = (AreaHolder) i.next(); htmlArea.append("<area shape=\"" + holder.shape + "\" href=\"#" + holder.href.replaceFirst("^(.*)$", regExpLinkReplacement) + "\" alt=\"" + StringEscapeUtils.escapeHtml(holder.alt) + "\" title=\"" + StringEscapeUtils.escapeHtml(holder.title) + "\" coords=\"" + holder.coordinates.x + "," + holder.coordinates.y + "," + (holder.coordinates.width + holder.coordinates.x) + "," + +(holder.coordinates.height + holder.coordinates.y) + "\" />"); } return htmlArea.toString(); } private void createArea() { createArea(root); } /** */ private void createArea(MindMapNode node) { final NodeView nodeView = mapView.getNodeView(node); if (nodeView != null) { AreaHolder holder = new AreaHolder(); holder.title = node.getShortText(modeController); holder.alt = node.getShortText(modeController); holder.href = node.getObjectId(modeController); Point contentXY = mapView.getNodeContentLocation(nodeView); final JComponent content = nodeView.getContent(); holder.coordinates.x = (int) (contentXY.x - innerBounds.getMinX()); holder.coordinates.y = (int) (contentXY.y - innerBounds.getMinY()); holder.coordinates.width = content.getWidth(); holder.coordinates.height = content.getHeight(); area.add(holder); for (Iterator i = node.childrenUnfolded(); i.hasNext();) { MindMapNode child = (MindMapNode) i.next(); createArea(child); } } } }