| /******************************************************************************* |
| * Copyright (C) 2007 The University of Manchester |
| * |
| * Modifications to the initial code base are copyright of their |
| * respective authors, or their employers as appropriate. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public License |
| * as published by the Free Software Foundation; either version 2.1 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser 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 |
| ******************************************************************************/ |
| package net.sf.taverna.t2.workbench.models.graph; |
| |
| import java.awt.Color; |
| import java.lang.reflect.InvocationTargetException; |
| |
| import net.sf.taverna.t2.workbench.configuration.colour.ColourManager; |
| |
| import org.apache.commons.beanutils.PropertyUtils; |
| |
| import org.apache.taverna.scufl2.api.activity.Activity; |
| |
| /** |
| * Manages the colour of elements in a graph. |
| * |
| * @author David Withers |
| * @author Start Owen |
| */ |
| public class GraphColorManager { |
| private static final String BEANSHELL = "http://ns.taverna.org.uk/2010/activity/beanshell"; |
| private static final String LOCALWORKER = "http://ns.taverna.org.uk/2010/activity/localworker"; |
| |
| private static Color[] subGraphFillColors = new Color[] { |
| Color.decode("#ffffff"), Color.decode("#f0f8ff"), |
| Color.decode("#faebd7"), Color.decode("#f5f5dc") }; |
| |
| /** |
| * Returns the colour associated with the Activity. |
| * |
| * For unknown activities Color.WHITE is returned. |
| * |
| * For {@link LocalworkerActivity} which have been user configured use the |
| * BeanshellActivity colour |
| * |
| * @return the colour associated with the Activity |
| */ |
| public static Color getFillColor(Activity activity, ColourManager colourManager) { |
| try { |
| if (activity.getType().equals(LOCALWORKER)) { |
| // To avoid compile time dependency - read isAltered property as bean |
| if (Boolean.TRUE.equals(PropertyUtils.getProperty(activity, "altered"))) { |
| Color colour = colourManager.getPreferredColour(BEANSHELL); |
| return colour; |
| } |
| } |
| } catch (IllegalAccessException | InvocationTargetException |
| | NoSuchMethodException e) { |
| } |
| Color colour = colourManager.getPreferredColour(activity.getType().toASCIIString()); |
| return colour; |
| } |
| |
| public static Color getSubGraphFillColor(int depth) { |
| return subGraphFillColors[depth % subGraphFillColors.length]; |
| } |
| } |