/*
* SimplyHTML, a word processor based on Java, HTML and CSS
* Copyright (C) 2002 Ulrich Hilger
*
* 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.
*/
package com.lightdev.app.shtm;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.border.EtchedBorder;
import javax.swing.border.TitledBorder;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
/**
* User interface for changing plug-in settings.
*
* @author Ulrich Hilger
* @author Light Development
* @author http://www.lightdev.com
* @author info@lightdev.com
* @author published under the terms and conditions of the
* GNU General Public License,
* for details see file gpl.txt in the distribution
* package of this software
*
*
*/
class PluginManagerDialog extends DialogShell implements ListSelectionListener, ActionListener {
/** combo box for selecting the dock location */
private final JComboBox dockLocation;
/** indicates if we can ignore changes (when happenig programmatically */
private boolean ignoreChanges = false;
/** the list with available plug-ins */
private final JList pluginNames;
/** constant for activation button label */
private final String activateName = Util.getResourceString("activatePlugin");
/** constant for deactivation button label */
private final String deactivateName = Util.getResourceString("deactivatePlugin");
/** button to toggle plug-in activation state */
private final JButton toggleActivationButton;
/** checkbox to toggle plug-in activation state */
private final JCheckBox toggleActivationCheckbox;
/**
* construct a new PluginManagerDialog
*
* @param parent the parent frame
* @param title the title of the dialog
*/
public PluginManagerDialog(final Frame parent, final String title) {
super(parent, title);
final Container contentPane = super.getContentPane();
okButton.setText(Util.getResourceString("close"));
cancelButton.setVisible(false);
GridBagLayout g;
final GridBagConstraints c = new GridBagConstraints();
/** create panel to show and select plug-ins */
final JPanel pluginPanel = new JPanel(new BorderLayout());
pluginPanel.setBorder(new TitledBorder(new EtchedBorder(EtchedBorder.LOWERED), Util
.getResourceString("pluginPanelTitle")));
//pluginPanel.setMinimumSize(new Dimension(400, 400));
SHTMLPanelImpl.pluginManager.plugins();
pluginNames = new JList(SHTMLPanelImpl.pluginManager.getPluginNames());
pluginNames.addListSelectionListener(this);
pluginNames.setMinimumSize(new Dimension(250, 400));
pluginNames.setPreferredSize(new Dimension(250, 400));
pluginPanel.add(new JScrollPane(pluginNames), BorderLayout.CENTER);
/** create panel for actins on loaded plug-ins */
final JPanel actionPanel = new JPanel();
toggleActivationButton = new JButton(activateName);
toggleActivationButton.setEnabled(false);
toggleActivationButton.addActionListener(this);
actionPanel.add(toggleActivationButton);
pluginPanel.add(actionPanel, BorderLayout.SOUTH);
/** create panel to edit settings for a plug-in */
g = new GridBagLayout();
final JPanel pluginSettingsPanel = new JPanel(g);
toggleActivationCheckbox = new JCheckBox("togglePluginActivationCheckbox");
toggleActivationCheckbox.setEnabled(false);
toggleActivationCheckbox.addActionListener(this);
Util.addGridBagComponent(pluginSettingsPanel, toggleActivationCheckbox, g, c, 0, 0, GridBagConstraints.WEST);
Util.addGridBagComponent(pluginSettingsPanel, new JLabel(Util.getResourceString("dockLocationLabel")), g, c, 0,
1, GridBagConstraints.EAST);
final String[] locations = { Util.getResourceString("pluginDockLocationNone"),
Util.getResourceString("pluginDockLocationTop"), Util.getResourceString("pluginDockLocationRight"),
Util.getResourceString("pluginDockLocationBottom"), Util.getResourceString("pluginDockLocationLeft"), };
dockLocation = new JComboBox(locations);
dockLocation.setEnabled(false);
dockLocation.addActionListener(this);
Util.addGridBagComponent(pluginSettingsPanel, dockLocation, g, c, 1, 1, GridBagConstraints.WEST);
/** add components to dialog */
contentPane.add(pluginPanel, BorderLayout.WEST);
final JPanel centerPanel = new JPanel(new BorderLayout());
final JPanel centerWestPanel = new JPanel(new BorderLayout());
centerWestPanel.add(pluginSettingsPanel, BorderLayout.NORTH);
centerPanel.add(centerWestPanel, BorderLayout.WEST);
centerPanel.setBorder(new TitledBorder(new EtchedBorder(EtchedBorder.LOWERED), Util
.getResourceString("pluginSettingsPanelTitle")));
//centerPanel.setPreferredSize(new Dimension(200,400));
contentPane.add(centerPanel, BorderLayout.CENTER);
pack();
}
/**
* ListSelectionListener implementation
*/
public void valueChanged(final ListSelectionEvent e) {
ignoreChanges = true;
if (pluginNames.getSelectedIndex() > -1) {
final SHTMLPlugin p = getSelectedPlugin();
final boolean active = p.isActive();
updateActivationButtonText(active);
toggleActivationButton.setEnabled(true);
toggleActivationCheckbox.setEnabled(true);
toggleActivationCheckbox.setSelected(active);
dockLocation.setSelectedIndex(p.getDockLocation());
dockLocation.setEnabled(true);
}
else {
toggleActivationButton.setEnabled(false);
toggleActivationCheckbox.setEnabled(false);
dockLocation.setEnabled(false);
}
ignoreChanges = false;
}
/**
* helper method for getting the currently selected
* line in the list of plug-ins
*/
private SHTMLPlugin getSelectedPlugin() {
final String name = (String) pluginNames.getSelectedValue();
return SHTMLPanelImpl.pluginManager.pluginForName(name);
}
/**
* helper method to toggle the button text between
* activate and deactivate
*/
private void updateActivationButtonText(final boolean active) {
if (active) {
toggleActivationButton.setText(deactivateName);
}
else {
toggleActivationButton.setText(activateName);
}
}
/**
* ActionListener implementation
*/
public void actionPerformed(final ActionEvent e) {
final Object source = e.getSource();
if ((pluginNames.getSelectedIndex() > -1) && (!ignoreChanges)) {
ignoreChanges = true;
final SHTMLPlugin p = getSelectedPlugin();
if (source.equals(toggleActivationButton)) {
p.setStatus(!p.isActive());
}
else if (source.equals(toggleActivationCheckbox)) {
p.setStatus(!p.isActive());
}
else if (source.equals(dockLocation)) {
p.setDockLocation(dockLocation.getSelectedIndex());
}
else {
super.actionPerformed(e);
}
final boolean active = p.isActive();
toggleActivationCheckbox.setSelected(active);
updateActivationButtonText(active);
ignoreChanges = false;
}
else {
super.actionPerformed(e);
}
}
}