taverna-workbench-plugins-gui/src/main/java/net/sf/taverna/raven/plugins/ui/PluginManagerFrame.java - incubator-taverna-workbench - Git at Google

 /*******************************************************************************
  * 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
  ******************************************************************************/
 /*
  * Copyright (C) 2003 The University of Manchester
  *
  * Modifications to the initial code base are copyright of their
  * respective authors, or their employers as appropriate.  Authorship
  * of the modifications may be determined from the ChangeLog placed at
  * the end of this file.
  *
  * 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
  * USA.
  *
  ****************************************************************
  * Source code information
  * -----------------------
  * Filename           $RCSfile: PluginManagerFrame.java,v $
  * Revision           $Revision: 1.3 $
  * Release status     $State: Exp $
  * Last modified on   $Date: 2008/09/04 14:51:52 $
  *               by   $Author: sowen70 $
  * Created on 27 Nov 2006
  *****************************************************************/
 package net.sf.taverna.raven.plugins.ui;

 import java.awt.Color;
 import java.awt.Frame;
 import java.awt.GridBagConstraints;
 import java.awt.GridBagLayout;
 import java.awt.Insets;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;

 import javax.swing.JButton;
 import javax.swing.JDialog;
 import javax.swing.JFrame;
 import javax.swing.JList;
 import javax.swing.JOptionPane;
 import javax.swing.JPanel;
 import javax.swing.JScrollPane;
 import javax.swing.ListSelectionModel;
 import javax.swing.event.ListSelectionEvent;
 import javax.swing.event.ListSelectionListener;

 import uk.org.taverna.commons.plugin.PluginManager;

 import net.sf.taverna.t2.workbench.helper.HelpEnabledDialog;

 /**
  * GUI component for the <code>PluginManager</code>.
  *
  * @author David Withers
  */
 public class PluginManagerFrame extends HelpEnabledDialog {

 	private static final long serialVersionUID = 1L;

 	private JPanel jContentPane = null;

 	private JButton updateButton = null;

 	private JButton findPluginsButton = null;

 	private PluginManager pluginManager;

 	private JScrollPane jScrollPane = null;

 	private JList jList = null;

 	private JButton enableButton = null;

 	private JButton uninstallButton = null;

 	private JButton findUpdatesButton = null;

 	private JButton closeButton = null;

 	private PluginManagerListener managerListener;

 	/**
 	 * This is the default constructor
 	 */
 	public PluginManagerFrame(PluginManager pluginManager) {
 		this((Frame)null, pluginManager);
 	}

 	/**
 	 * This is the default constructor
 	 */
 	public PluginManagerFrame(Frame parent,PluginManager pluginManager) {
 		super(parent, "Plugin manager", true);
 		this.pluginManager = pluginManager;
 		initialize();
 	}

 	/**
 	 * This is the default constructor
 	 */
 	public PluginManagerFrame(JDialog parent,PluginManager pluginManager) {
 		super(parent, "Plugin manager", true);
 		this.pluginManager = pluginManager;
 		initialize();
 	}

 	/**
 	 * This method initializes this
 	 *
 	 * @return void
 	 */
 	private void initialize() {
 		this.setSize(613, 444);
 		this.setContentPane(getJContentPane());
 		this.setTitle("Updates and plugins");
 		this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
 		this.addWindowListener(new WindowAdapter() {

 			@Override
 			public void windowClosed(WindowEvent e) {
 				if (managerListener!=null) PluginManager.removePluginManagerListener(managerListener);
 			}

 		});
 		managerListener = new PluginManagerListener() {

 			public void pluginAdded(PluginManagerEvent event) {
 				// For some reason even if a plugin does not declare dependencies to system
 				// artifacts it is required for Taverna to be restarted to pick the new plugin up
 				// (probably because things like Service Panel and Perspectives where new plugins can
 				// have some effect are not listening to plugin changes).
 				// So, we have to show the "Restart Taverna" message in any case until this is fixed.
 				//if (event.getPlugin().getProfile().getSystemArtifacts().size()!=0) {
 					JOptionPane.showMessageDialog(PluginManagerFrame.this,"The plugin '"+event.getPlugin().getName()+"' will not be fully functional until Taverna is restarted","Restart Required", JOptionPane.WARNING_MESSAGE);
 				//}
 			}

 			public void pluginStateChanged(PluginManagerEvent event)
 			{
 				// As in the pluginAdded() method, it is currently always required
 				// to restart Taverna for any changes to the plugins to take effect
 				// (probably because things like Service Panel and Perspectives where
 				// changes to plugin can have some effect are not listening to these changes).
 				// So, we have to show the "Restart Taverna" message in any case until this is fixed.
 				//if (event.getPlugin().getProfile().getSystemArtifacts().size()!=0) {
 					if (event.getSource() instanceof PluginEvent) {
 						PluginEvent pluginEvent = (PluginEvent)event.getSource();
 						if (pluginEvent.getAction()==PluginEvent.ENABLED) {
 							JOptionPane.showMessageDialog(PluginManagerFrame.this, "The plugin '"+event.getPlugin().getName()+"' will not be completely enabled until Taverna is restarted.","Restart Required", JOptionPane.WARNING_MESSAGE);
 						}
 						else if (pluginEvent.getAction()==PluginEvent.DISABLED) {
 							JOptionPane.showMessageDialog(PluginManagerFrame.this, "The plugin '"+event.getPlugin().getName()+"' will not be completely disabled until Taverna is restarted.","Restart Required", JOptionPane.WARNING_MESSAGE);
 						}
 					}
 				//}
 			}

 			public void pluginIncompatible(PluginManagerEvent event) {

 			}

 			public void pluginUpdated(PluginManagerEvent event) {
 				JOptionPane.showMessageDialog(PluginManagerFrame.this, "The plugin '"+event.getPlugin().getName()+"' will not be completely updated until Taverna is restarted.","Restart Required", JOptionPane.WARNING_MESSAGE);
 			}

 			public void pluginRemoved(PluginManagerEvent event) {
 				JOptionPane.showMessageDialog(PluginManagerFrame.this, "The plugin '"+event.getPlugin().getName()+"' will not be completely uninstalled until Taverna is restarted.","Restart Required", JOptionPane.WARNING_MESSAGE);
 			}

 		};
 		PluginManager.addPluginManagerListener(managerListener);

 	}

 	/**
 	 * This method initializes jContentPane
 	 *
 	 * @return javax.swing.JPanel
 	 */
 	private JPanel getJContentPane() {
 		if (jContentPane == null) {
 			GridBagConstraints findUpdatesConstraints = new GridBagConstraints();
 			findUpdatesConstraints.gridx = 0;
 			findUpdatesConstraints.insets = new Insets(5, 5, 5, 5);
 			findUpdatesConstraints.gridy = 3;
 			GridBagConstraints uninstallButtonConstraints = new GridBagConstraints();
 			uninstallButtonConstraints.gridx = 2;
 			uninstallButtonConstraints.anchor = GridBagConstraints.NORTHEAST;
 			uninstallButtonConstraints.fill = GridBagConstraints.HORIZONTAL;
 			uninstallButtonConstraints.insets = new Insets(5, 0, 0, 5);
 			uninstallButtonConstraints.gridy = 1;
 			GridBagConstraints enableButtonConstraints = new GridBagConstraints();
 			enableButtonConstraints.gridx = 2;
 			enableButtonConstraints.anchor = GridBagConstraints.NORTHEAST;
 			enableButtonConstraints.fill = GridBagConstraints.HORIZONTAL;
 			enableButtonConstraints.insets = new Insets(5, 0, 0, 5);
 			enableButtonConstraints.gridy = 0;
 			GridBagConstraints scrollPaneConstraints = new GridBagConstraints();
 			scrollPaneConstraints.fill = GridBagConstraints.BOTH;
 			scrollPaneConstraints.gridy = 0;
 			scrollPaneConstraints.weightx = 1.0;
 			scrollPaneConstraints.weighty = 1.0;
 			scrollPaneConstraints.gridwidth = 2;
 			scrollPaneConstraints.insets = new Insets(5, 5, 5, 5);
 			scrollPaneConstraints.gridx = 0;
 			scrollPaneConstraints.gridheight = 3;
 			scrollPaneConstraints.anchor = GridBagConstraints.NORTHWEST;
 			GridBagConstraints findPluginsConstraints = new GridBagConstraints();
 			findPluginsConstraints.gridx = 1;
 			findPluginsConstraints.anchor = GridBagConstraints.WEST;
 			findPluginsConstraints.insets = new Insets(5, 5, 5, 5);
 			findPluginsConstraints.gridy = 3;
 			GridBagConstraints updateButtonConstraints = new GridBagConstraints();
 			updateButtonConstraints.gridx = 2;
 			updateButtonConstraints.gridwidth = 1;
 			updateButtonConstraints.anchor = GridBagConstraints.NORTHEAST;
 			updateButtonConstraints.insets = new Insets(5, 0, 0, 5);
 			updateButtonConstraints.fill = GridBagConstraints.HORIZONTAL;
 			updateButtonConstraints.gridy = 2;

 			GridBagConstraints closeButtonConstraints = new GridBagConstraints();
 			closeButtonConstraints.gridx = 2;
 			closeButtonConstraints.insets = new Insets(5, 5, 5, 5);
 			closeButtonConstraints.gridy = 3;
 			closeButtonConstraints.fill = GridBagConstraints.HORIZONTAL;
 //			closeButtonConstraints.gridx = 2;
 //			closeButtonConstraints.gridwidth = 1;
 //			closeButtonConstraints.anchor = GridBagConstraints.SOUTHEAST;
 //			closeButtonConstraints.insets = new Insets(5, 0, 0, 5);
 //			closeButtonConstraints.fill = GridBagConstraints.HORIZONTAL;
 //			closeButtonConstraints.gridy = 3;


 			jContentPane = new JPanel();
 			jContentPane.setLayout(new GridBagLayout());
 			jContentPane.add(getUpdateButton(), updateButtonConstraints);
 			jContentPane.add(getFindPluginsButton(), findPluginsConstraints);
 			jContentPane.add(getJScrollPane(), scrollPaneConstraints);
 			jContentPane.add(getEnableButton(), enableButtonConstraints);
 			jContentPane.add(getUninstallButton(), uninstallButtonConstraints);
 			jContentPane.add(getFindUpdatesButton(), findUpdatesConstraints);
 			jContentPane.add(getCloseButton(),closeButtonConstraints);
 		}
 		return jContentPane;
 	}

 	/**
 	 * This method initializes jButton
 	 *
 	 * @return javax.swing.JButton
 	 */
 	private JButton getUpdateButton() {
 		if (updateButton == null) {
 			updateButton = new JButton();
 			updateButton.setText("Update");
 			updateButton.setEnabled(false);
 			updateButton.addActionListener(new java.awt.event.ActionListener() {
 				public void actionPerformed(java.awt.event.ActionEvent e) {
 					Object selectedObject = getJList().getSelectedValue();
 					if (selectedObject instanceof Plugin) {
 						pluginManager.updatePlugin((Plugin) selectedObject);
 					}
 					jList.setSelectedValue(selectedObject, true);
 					updateButton.setEnabled(false);
 				}
 			});
 		}
 		return updateButton;
 	}

 	/**
 	 * This method initializes jScrollPane
 	 *
 	 * @return javax.swing.JScrollPane
 	 */
 	private JScrollPane getJScrollPane() {
 		if (jScrollPane == null) {
 			jScrollPane = new JScrollPane();
 			jScrollPane.setViewportView(getJList());
 		}
 		return jScrollPane;
 	}

 	/**
 	 * This method initializes jList
 	 *
 	 * @return javax.swing.JList
 	 */
 	private JList getJList() {
 		if (jList == null) {
 			jList = new JList();
 			jList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
 			jList.setModel(new PluginListModel(pluginManager));
 			jList.setSelectionBackground(new Color(135,206,250)); //LightSkyBlue
 			jList.setCellRenderer(new PluginListCellRenderer(pluginManager));
 			jList.addListSelectionListener(new ListSelectionListener() {

 				public void valueChanged(ListSelectionEvent e) {
 					if (!e.getValueIsAdjusting()) {
 						respondToSelectedPlugin();
 					}
 				}

 			});
 			if (jList.getComponentCount() > 0) {
 				jList.setSelectedIndex(0);
 				respondToSelectedPlugin();
 			}
 		}
 		return jList;
 	}

 	/**
 	 * This method initializes jButton2
 	 *
 	 * @return javax.swing.JButton
 	 */
 	private JButton getEnableButton() {
 		if (enableButton == null) {
 			enableButton = new JButton();
 			enableButton.setText("Enable");
 			enableButton.setEnabled(false);
 			enableButton.setActionCommand("enable");
 			enableButton.addActionListener(new java.awt.event.ActionListener() {
 				public void actionPerformed(java.awt.event.ActionEvent e) {
 					Object selectedObject = jList.getSelectedValue();
 					if (selectedObject instanceof Plugin) {
 						Plugin plugin = (Plugin) selectedObject;
 						if ("enable".equals(e.getActionCommand())) {
 							plugin.setEnabled(true);
 							enableButton.setText("Disable");
 							enableButton.setActionCommand("disable");
 						} else if ("disable".equals(e.getActionCommand())) {
 							plugin.setEnabled(false);
 							enableButton.setText("Enable");
 							enableButton.setActionCommand("enable");
 						}
 					}
 					jList.setSelectedValue(selectedObject, true);
 				}
 			});
 		}
 		return enableButton;
 	}

 	/**
 	 * This method initializes jButton3
 	 *
 	 * @return javax.swing.JButton
 	 */
 	private JButton getUninstallButton() {
 		if (uninstallButton == null) {
 			uninstallButton = new JButton();
 			uninstallButton.setText("Uninstall");
 			uninstallButton.addActionListener(new java.awt.event.ActionListener() {
 				public void actionPerformed(java.awt.event.ActionEvent e) {
 					int index = jList.getSelectedIndex();
 					Object selectedObject = jList.getSelectedValue();
 					if (selectedObject instanceof Plugin) {
 						pluginManager.removePlugin((Plugin) selectedObject);
 						pluginManager.savePlugins();
 						}
 					int listSize = jList.getModel().getSize();
 					if (listSize > index) {
 						jList.setSelectedIndex(index);
 					} else {
 						jList.setSelectedIndex(listSize - 1);
 					}
 				}
 			});
 		}
 		return uninstallButton;
 	}

 	private JButton getCloseButton() {
 		if (closeButton==null) {
 			closeButton = new JButton("Close");
 			closeButton.setEnabled(true);
 			closeButton.addActionListener(new ActionListener() {
 				public void actionPerformed(ActionEvent e) {
 					setVisible(false);
 					dispose();
 				}
 			});
 		}
 		return closeButton;
 	}

 	/**
 	 * This method initializes jButton1
 	 *
 	 * @return javax.swing.JButton
 	 */
 	private JButton getFindPluginsButton() {
 		if (findPluginsButton == null) {
 			findPluginsButton = new JButton();
 			findPluginsButton.setText("Find New Plugins");
 			findPluginsButton.addActionListener(new java.awt.event.ActionListener() {
 				public void actionPerformed(java.awt.event.ActionEvent e) {
 					Object selectedObject = getJList().getSelectedValue();
 					PluginSiteFrame pluginSiteFrame = new PluginSiteFrame(PluginManagerFrame.this);
 					pluginSiteFrame.setLocationRelativeTo(PluginManagerFrame.this);
 					pluginSiteFrame.setVisible(true);
 					if (selectedObject != null) {
 						jList.setSelectedValue(selectedObject, true);
 					} else {
 						jList.setSelectedIndex(0);
 					}
 				}
 			});
 		}
 		return findPluginsButton;
 	}

 	/**
 	 * This method initializes jButton4
 	 *
 	 * @return javax.swing.JButton
 	 */
 	private JButton getFindUpdatesButton() {
 		if (findUpdatesButton == null) {
 			findUpdatesButton = new JButton();
 			findUpdatesButton.setText("Find Updates");
 			findUpdatesButton.addActionListener(new java.awt.event.ActionListener() {
 				public void actionPerformed(java.awt.event.ActionEvent e) {
 					Object selectedObject = getJList().getSelectedValue();
 					if (!pluginManager.checkForUpdates()) {
 						JOptionPane.showMessageDialog(PluginManagerFrame.this, "No updates available");
 					}
 					if (selectedObject != null) {
 						jList.setSelectedValue(selectedObject, true);
 					} else {
 						jList.setSelectedIndex(0);
 					}
 					// Respond to selected plugin - i.e. enable/disable action buttons as appropriate
 					respondToSelectedPlugin();
 				}
 			});
 		}
 		return findUpdatesButton;
 	}

 	private void respondToSelectedPlugin() {
 		Object selectedObject = jList.getSelectedValue();
 		if (selectedObject!=null && selectedObject instanceof Plugin) {
 			Plugin plugin = (Plugin) selectedObject;

 			// If this is a build-in plugin - set the text of the enableButton
 			// to 'Disable' but also disable the button to indicate that
 			// built-in plugins cannot be disabled.
 			// Similarly, uninstallButton should be disabled in this case.
 			if (plugin.isBuiltIn()){
 				getEnableButton().setText("Disable");
 				getEnableButton().setActionCommand("disable");
 				getEnableButton().setEnabled(false);
 			}
 			else{
 				if (plugin.isEnabled()) {
 					getEnableButton().setText("Disable");
 					getEnableButton().setActionCommand("disable");
 				} else {
 					getEnableButton().setText("Enable");
 					getEnableButton().setActionCommand("enable");
 				}

 				//only allow plugin to be enabled if it is compatible.
 				if (plugin.isCompatible()) {
 					getEnableButton().setEnabled(true);
 				}
 				else {
 					getEnableButton().setEnabled(false);
 				}
 			}

 			if (pluginManager.isUpdateAvailable(plugin)) {
 				getUpdateButton().setEnabled(true);
 			} else {
 				getUpdateButton().setEnabled(false);
 			}

 			//disable the uninstall button if this is a built in plugin
 			getUninstallButton().setEnabled(!plugin.isBuiltIn());
 		}
 	}

 } // @jve:decl-index=0:visual-constraint="33,9"
	/*******************************************************************************
	* 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
	******************************************************************************/
	/*
	* Copyright (C) 2003 The University of Manchester
	*
	* Modifications to the initial code base are copyright of their
	* respective authors, or their employers as appropriate. Authorship
	* of the modifications may be determined from the ChangeLog placed at
	* the end of this file.
	*
	* 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
	* USA.
	*
	****************************************************************
	* Source code information
	* -----------------------
	* Filename $RCSfile: PluginManagerFrame.java,v $
	* Revision $Revision: 1.3 $
	* Release status $State: Exp $
	* Last modified on $Date: 2008/09/04 14:51:52 $
	* by $Author: sowen70 $
	* Created on 27 Nov 2006
	*****************************************************************/
	package net.sf.taverna.raven.plugins.ui;

	import java.awt.Color;
	import java.awt.Frame;
	import java.awt.GridBagConstraints;
	import java.awt.GridBagLayout;
	import java.awt.Insets;
	import java.awt.event.ActionEvent;
	import java.awt.event.ActionListener;
	import java.awt.event.WindowAdapter;
	import java.awt.event.WindowEvent;

	import javax.swing.JButton;
	import javax.swing.JDialog;
	import javax.swing.JFrame;
	import javax.swing.JList;
	import javax.swing.JOptionPane;
	import javax.swing.JPanel;
	import javax.swing.JScrollPane;
	import javax.swing.ListSelectionModel;
	import javax.swing.event.ListSelectionEvent;
	import javax.swing.event.ListSelectionListener;

	import uk.org.taverna.commons.plugin.PluginManager;

	import net.sf.taverna.t2.workbench.helper.HelpEnabledDialog;

	/**
	* GUI component for the <code>PluginManager</code>.
	*
	* @author David Withers
	*/
	public class PluginManagerFrame extends HelpEnabledDialog {

	private static final long serialVersionUID = 1L;

	private JPanel jContentPane = null;

	private JButton updateButton = null;

	private JButton findPluginsButton = null;

	private PluginManager pluginManager;

	private JScrollPane jScrollPane = null;

	private JList jList = null;

	private JButton enableButton = null;

	private JButton uninstallButton = null;

	private JButton findUpdatesButton = null;

	private JButton closeButton = null;

	private PluginManagerListener managerListener;

	/**
	* This is the default constructor
	*/
	public PluginManagerFrame(PluginManager pluginManager) {
	this((Frame)null, pluginManager);
	}

	/**
	* This is the default constructor
	*/
	public PluginManagerFrame(Frame parent,PluginManager pluginManager) {
	super(parent, "Plugin manager", true);
	this.pluginManager = pluginManager;
	initialize();
	}

	/**
	* This is the default constructor
	*/
	public PluginManagerFrame(JDialog parent,PluginManager pluginManager) {
	super(parent, "Plugin manager", true);
	this.pluginManager = pluginManager;
	initialize();
	}

	/**
	* This method initializes this
	*
	* @return void
	*/
	private void initialize() {
	this.setSize(613, 444);
	this.setContentPane(getJContentPane());
	this.setTitle("Updates and plugins");
	this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
	this.addWindowListener(new WindowAdapter() {

	@Override
	public void windowClosed(WindowEvent e) {
	if (managerListener!=null) PluginManager.removePluginManagerListener(managerListener);
	}

	});
	managerListener = new PluginManagerListener() {

	public void pluginAdded(PluginManagerEvent event) {
	// For some reason even if a plugin does not declare dependencies to system
	// artifacts it is required for Taverna to be restarted to pick the new plugin up
	// (probably because things like Service Panel and Perspectives where new plugins can
	// have some effect are not listening to plugin changes).
	// So, we have to show the "Restart Taverna" message in any case until this is fixed.
	//if (event.getPlugin().getProfile().getSystemArtifacts().size()!=0) {
	JOptionPane.showMessageDialog(PluginManagerFrame.this,"The plugin '"+event.getPlugin().getName()+"' will not be fully functional until Taverna is restarted","Restart Required", JOptionPane.WARNING_MESSAGE);
	//}
	}

	public void pluginStateChanged(PluginManagerEvent event)
	{
	// As in the pluginAdded() method, it is currently always required
	// to restart Taverna for any changes to the plugins to take effect
	// (probably because things like Service Panel and Perspectives where
	// changes to plugin can have some effect are not listening to these changes).
	// So, we have to show the "Restart Taverna" message in any case until this is fixed.
	//if (event.getPlugin().getProfile().getSystemArtifacts().size()!=0) {
	if (event.getSource() instanceof PluginEvent) {
	PluginEvent pluginEvent = (PluginEvent)event.getSource();
	if (pluginEvent.getAction()==PluginEvent.ENABLED) {
	JOptionPane.showMessageDialog(PluginManagerFrame.this, "The plugin '"+event.getPlugin().getName()+"' will not be completely enabled until Taverna is restarted.","Restart Required", JOptionPane.WARNING_MESSAGE);
	}
	else if (pluginEvent.getAction()==PluginEvent.DISABLED) {
	JOptionPane.showMessageDialog(PluginManagerFrame.this, "The plugin '"+event.getPlugin().getName()+"' will not be completely disabled until Taverna is restarted.","Restart Required", JOptionPane.WARNING_MESSAGE);
	}
	}
	//}
	}

	public void pluginIncompatible(PluginManagerEvent event) {

	}

	public void pluginUpdated(PluginManagerEvent event) {
	JOptionPane.showMessageDialog(PluginManagerFrame.this, "The plugin '"+event.getPlugin().getName()+"' will not be completely updated until Taverna is restarted.","Restart Required", JOptionPane.WARNING_MESSAGE);
	}

	public void pluginRemoved(PluginManagerEvent event) {
	JOptionPane.showMessageDialog(PluginManagerFrame.this, "The plugin '"+event.getPlugin().getName()+"' will not be completely uninstalled until Taverna is restarted.","Restart Required", JOptionPane.WARNING_MESSAGE);
	}

	};
	PluginManager.addPluginManagerListener(managerListener);

	}

	/**
	* This method initializes jContentPane
	*
	* @return javax.swing.JPanel
	*/
	private JPanel getJContentPane() {
	if (jContentPane == null) {
	GridBagConstraints findUpdatesConstraints = new GridBagConstraints();
	findUpdatesConstraints.gridx = 0;
	findUpdatesConstraints.insets = new Insets(5, 5, 5, 5);
	findUpdatesConstraints.gridy = 3;
	GridBagConstraints uninstallButtonConstraints = new GridBagConstraints();
	uninstallButtonConstraints.gridx = 2;
	uninstallButtonConstraints.anchor = GridBagConstraints.NORTHEAST;
	uninstallButtonConstraints.fill = GridBagConstraints.HORIZONTAL;
	uninstallButtonConstraints.insets = new Insets(5, 0, 0, 5);
	uninstallButtonConstraints.gridy = 1;
	GridBagConstraints enableButtonConstraints = new GridBagConstraints();
	enableButtonConstraints.gridx = 2;
	enableButtonConstraints.anchor = GridBagConstraints.NORTHEAST;
	enableButtonConstraints.fill = GridBagConstraints.HORIZONTAL;
	enableButtonConstraints.insets = new Insets(5, 0, 0, 5);
	enableButtonConstraints.gridy = 0;
	GridBagConstraints scrollPaneConstraints = new GridBagConstraints();
	scrollPaneConstraints.fill = GridBagConstraints.BOTH;
	scrollPaneConstraints.gridy = 0;
	scrollPaneConstraints.weightx = 1.0;
	scrollPaneConstraints.weighty = 1.0;
	scrollPaneConstraints.gridwidth = 2;
	scrollPaneConstraints.insets = new Insets(5, 5, 5, 5);
	scrollPaneConstraints.gridx = 0;
	scrollPaneConstraints.gridheight = 3;
	scrollPaneConstraints.anchor = GridBagConstraints.NORTHWEST;
	GridBagConstraints findPluginsConstraints = new GridBagConstraints();
	findPluginsConstraints.gridx = 1;
	findPluginsConstraints.anchor = GridBagConstraints.WEST;
	findPluginsConstraints.insets = new Insets(5, 5, 5, 5);
	findPluginsConstraints.gridy = 3;
	GridBagConstraints updateButtonConstraints = new GridBagConstraints();
	updateButtonConstraints.gridx = 2;
	updateButtonConstraints.gridwidth = 1;
	updateButtonConstraints.anchor = GridBagConstraints.NORTHEAST;
	updateButtonConstraints.insets = new Insets(5, 0, 0, 5);
	updateButtonConstraints.fill = GridBagConstraints.HORIZONTAL;
	updateButtonConstraints.gridy = 2;

	GridBagConstraints closeButtonConstraints = new GridBagConstraints();
	closeButtonConstraints.gridx = 2;
	closeButtonConstraints.insets = new Insets(5, 5, 5, 5);
	closeButtonConstraints.gridy = 3;
	closeButtonConstraints.fill = GridBagConstraints.HORIZONTAL;
	// closeButtonConstraints.gridx = 2;
	// closeButtonConstraints.gridwidth = 1;
	// closeButtonConstraints.anchor = GridBagConstraints.SOUTHEAST;
	// closeButtonConstraints.insets = new Insets(5, 0, 0, 5);
	// closeButtonConstraints.fill = GridBagConstraints.HORIZONTAL;
	// closeButtonConstraints.gridy = 3;


	jContentPane = new JPanel();
	jContentPane.setLayout(new GridBagLayout());
	jContentPane.add(getUpdateButton(), updateButtonConstraints);
	jContentPane.add(getFindPluginsButton(), findPluginsConstraints);
	jContentPane.add(getJScrollPane(), scrollPaneConstraints);
	jContentPane.add(getEnableButton(), enableButtonConstraints);
	jContentPane.add(getUninstallButton(), uninstallButtonConstraints);
	jContentPane.add(getFindUpdatesButton(), findUpdatesConstraints);
	jContentPane.add(getCloseButton(),closeButtonConstraints);
	}
	return jContentPane;
	}

	/**
	* This method initializes jButton
	*
	* @return javax.swing.JButton
	*/
	private JButton getUpdateButton() {
	if (updateButton == null) {
	updateButton = new JButton();
	updateButton.setText("Update");
	updateButton.setEnabled(false);
	updateButton.addActionListener(new java.awt.event.ActionListener() {
	public void actionPerformed(java.awt.event.ActionEvent e) {
	Object selectedObject = getJList().getSelectedValue();
	if (selectedObject instanceof Plugin) {
	pluginManager.updatePlugin((Plugin) selectedObject);
	}
	jList.setSelectedValue(selectedObject, true);
	updateButton.setEnabled(false);
	}
	});
	}
	return updateButton;
	}

	/**
	* This method initializes jScrollPane
	*
	* @return javax.swing.JScrollPane
	*/
	private JScrollPane getJScrollPane() {
	if (jScrollPane == null) {
	jScrollPane = new JScrollPane();
	jScrollPane.setViewportView(getJList());
	}
	return jScrollPane;
	}

	/**
	* This method initializes jList
	*
	* @return javax.swing.JList
	*/
	private JList getJList() {
	if (jList == null) {
	jList = new JList();
	jList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
	jList.setModel(new PluginListModel(pluginManager));
	jList.setSelectionBackground(new Color(135,206,250)); //LightSkyBlue
	jList.setCellRenderer(new PluginListCellRenderer(pluginManager));
	jList.addListSelectionListener(new ListSelectionListener() {

	public void valueChanged(ListSelectionEvent e) {
	if (!e.getValueIsAdjusting()) {
	respondToSelectedPlugin();
	}
	}

	});
	if (jList.getComponentCount() > 0) {
	jList.setSelectedIndex(0);
	respondToSelectedPlugin();
	}
	}
	return jList;
	}

	/**
	* This method initializes jButton2
	*
	* @return javax.swing.JButton
	*/
	private JButton getEnableButton() {
	if (enableButton == null) {
	enableButton = new JButton();
	enableButton.setText("Enable");
	enableButton.setEnabled(false);
	enableButton.setActionCommand("enable");
	enableButton.addActionListener(new java.awt.event.ActionListener() {
	public void actionPerformed(java.awt.event.ActionEvent e) {
	Object selectedObject = jList.getSelectedValue();
	if (selectedObject instanceof Plugin) {
	Plugin plugin = (Plugin) selectedObject;
	if ("enable".equals(e.getActionCommand())) {
	plugin.setEnabled(true);
	enableButton.setText("Disable");
	enableButton.setActionCommand("disable");
	} else if ("disable".equals(e.getActionCommand())) {
	plugin.setEnabled(false);
	enableButton.setText("Enable");
	enableButton.setActionCommand("enable");
	}
	}
	jList.setSelectedValue(selectedObject, true);
	}
	});
	}
	return enableButton;
	}

	/**
	* This method initializes jButton3
	*
	* @return javax.swing.JButton
	*/
	private JButton getUninstallButton() {
	if (uninstallButton == null) {
	uninstallButton = new JButton();
	uninstallButton.setText("Uninstall");
	uninstallButton.addActionListener(new java.awt.event.ActionListener() {
	public void actionPerformed(java.awt.event.ActionEvent e) {
	int index = jList.getSelectedIndex();
	Object selectedObject = jList.getSelectedValue();
	if (selectedObject instanceof Plugin) {
	pluginManager.removePlugin((Plugin) selectedObject);
	pluginManager.savePlugins();
	}
	int listSize = jList.getModel().getSize();
	if (listSize > index) {
	jList.setSelectedIndex(index);
	} else {
	jList.setSelectedIndex(listSize - 1);
	}
	}
	});
	}
	return uninstallButton;
	}

	private JButton getCloseButton() {
	if (closeButton==null) {
	closeButton = new JButton("Close");
	closeButton.setEnabled(true);
	closeButton.addActionListener(new ActionListener() {
	public void actionPerformed(ActionEvent e) {
	setVisible(false);
	dispose();
	}
	});
	}
	return closeButton;
	}

	/**
	* This method initializes jButton1
	*
	* @return javax.swing.JButton
	*/
	private JButton getFindPluginsButton() {
	if (findPluginsButton == null) {
	findPluginsButton = new JButton();
	findPluginsButton.setText("Find New Plugins");
	findPluginsButton.addActionListener(new java.awt.event.ActionListener() {
	public void actionPerformed(java.awt.event.ActionEvent e) {
	Object selectedObject = getJList().getSelectedValue();
	PluginSiteFrame pluginSiteFrame = new PluginSiteFrame(PluginManagerFrame.this);
	pluginSiteFrame.setLocationRelativeTo(PluginManagerFrame.this);
	pluginSiteFrame.setVisible(true);
	if (selectedObject != null) {
	jList.setSelectedValue(selectedObject, true);
	} else {
	jList.setSelectedIndex(0);
	}
	}
	});
	}
	return findPluginsButton;
	}

	/**
	* This method initializes jButton4
	*
	* @return javax.swing.JButton
	*/
	private JButton getFindUpdatesButton() {
	if (findUpdatesButton == null) {
	findUpdatesButton = new JButton();
	findUpdatesButton.setText("Find Updates");
	findUpdatesButton.addActionListener(new java.awt.event.ActionListener() {
	public void actionPerformed(java.awt.event.ActionEvent e) {
	Object selectedObject = getJList().getSelectedValue();
	if (!pluginManager.checkForUpdates()) {
	JOptionPane.showMessageDialog(PluginManagerFrame.this, "No updates available");
	}
	if (selectedObject != null) {
	jList.setSelectedValue(selectedObject, true);
	} else {
	jList.setSelectedIndex(0);
	}
	// Respond to selected plugin - i.e. enable/disable action buttons as appropriate
	respondToSelectedPlugin();
	}
	});
	}
	return findUpdatesButton;
	}

	private void respondToSelectedPlugin() {
	Object selectedObject = jList.getSelectedValue();
	if (selectedObject!=null && selectedObject instanceof Plugin) {
	Plugin plugin = (Plugin) selectedObject;

	// If this is a build-in plugin - set the text of the enableButton
	// to 'Disable' but also disable the button to indicate that
	// built-in plugins cannot be disabled.
	// Similarly, uninstallButton should be disabled in this case.
	if (plugin.isBuiltIn()){
	getEnableButton().setText("Disable");
	getEnableButton().setActionCommand("disable");
	getEnableButton().setEnabled(false);
	}
	else{
	if (plugin.isEnabled()) {
	getEnableButton().setText("Disable");
	getEnableButton().setActionCommand("disable");
	} else {
	getEnableButton().setText("Enable");
	getEnableButton().setActionCommand("enable");
	}

	//only allow plugin to be enabled if it is compatible.
	if (plugin.isCompatible()) {
	getEnableButton().setEnabled(true);
	}
	else {
	getEnableButton().setEnabled(false);
	}
	}

	if (pluginManager.isUpdateAvailable(plugin)) {
	getUpdateButton().setEnabled(true);
	} else {
	getUpdateButton().setEnabled(false);
	}

	//disable the uninstall button if this is a built in plugin
	getUninstallButton().setEnabled(!plugin.isBuiltIn());
	}
	}

	} // @jve:decl-index=0:visual-constraint="33,9"