From fef61ddc786960015c6fc416d4ad2d5d0f2048d1 Mon Sep 17 00:00:00 2001 From: clemenso Date: Thu, 13 Nov 2008 20:56:23 +0000 Subject: bugfix openwindow blocked bugfix helpTopic always hashdataviewer git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@168 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4 --- .../main/java/at/gv/egiz/bku/gui/HelpViewer.java | 211 +++++++++++++++++++++ 1 file changed, 211 insertions(+) create mode 100644 BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/HelpViewer.java (limited to 'BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/HelpViewer.java') diff --git a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/HelpViewer.java b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/HelpViewer.java new file mode 100644 index 00000000..42ca2090 --- /dev/null +++ b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/HelpViewer.java @@ -0,0 +1,211 @@ +/* + * Copyright 2008 Federal Chancellery Austria and + * Graz University of Technology + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package at.gv.egiz.bku.gui; + +import at.gv.egiz.bku.gui.*; +import java.applet.AppletContext; +import java.awt.Component; +import java.awt.Container; +import java.awt.Cursor; +import java.awt.Dimension; +import java.awt.Frame; +import java.awt.event.ActionEvent; +import java.awt.event.ActionListener; +import java.io.IOException; +import java.net.URL; +import java.text.MessageFormat; +import java.util.ResourceBundle; +import javax.swing.GroupLayout; +import javax.swing.ImageIcon; +import javax.swing.JButton; +import javax.swing.JDialog; +import javax.swing.JEditorPane; +import javax.swing.JLabel; +import javax.swing.JOptionPane; +import javax.swing.JPanel; +import javax.swing.JScrollPane; +import javax.swing.LayoutStyle; +import javax.swing.SwingUtilities; +import javax.swing.event.HyperlinkEvent; +import javax.swing.event.HyperlinkListener; +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; + +/** + * + * @author Clemens Orthacker + */ +public class HelpViewer extends JDialog + implements ActionListener { + + protected static final Log log = LogFactory.getLog(HelpViewer.class); + private static HelpViewer dialog; + protected ResourceBundle messages; + protected AppletContext ctx; + + /** + * + * @param ctx external links are opened via ctx.showDocument() + * @param helpURL + * @param helpTopic + * @param messages + */ + public static void showHelpDialog(AppletContext ctx, + URL helpURL, + String helpTopic, + ResourceBundle messages) { + showHelpDialog(null, ctx, helpURL, helpTopic, messages); + } + + public static void showHelpDialog(URL helpURL, + String helpTopic, + ResourceBundle messages) { + showHelpDialog(null, null, helpURL, helpTopic, messages); + } + + public static void showHelpDialog(Component owner, + AppletContext ctx, + URL helpURL, + String helpTopic, + ResourceBundle messages) { + + Frame frame = null; + if (owner != null) { + JOptionPane.getFrameForComponent(owner); + } + dialog = new HelpViewer(frame, messages, ctx, helpURL, helpTopic); + dialog.setVisible(true); + } + + private HelpViewer(Frame frame, + ResourceBundle messages, + AppletContext ctx, + URL helpURL, + String helpTopic) { + super(frame, messages.getString(BKUGUIFacade.WINDOWTITLE_HELP), true); + this.messages = messages; + this.ctx = ctx; + + String p = messages.getString(BKUGUIFacade.MESSAGE_HELP); + String helpItem = messages.getString(helpTopic); + String viewerLabel = MessageFormat.format(p, new Object[]{helpItem}); + + JPanel helpPanel = createViewerPanel(viewerLabel, helpURL); + JPanel buttonPanel = createButtonPanel(); + + initContentPane(new Dimension(600, 400), helpPanel, buttonPanel); + pack(); + if (frame != null) { + setLocationRelativeTo(frame); + } else { + setLocationByPlatform(true); + } + } + + private void initContentPane(Dimension preferredSize, JPanel viewerPanel, JPanel buttonPanel) { + Container contentPane = getContentPane(); + contentPane.setPreferredSize(preferredSize); + + GroupLayout mainLayout = new GroupLayout(contentPane); + contentPane.setLayout(mainLayout); + + mainLayout.setHorizontalGroup( + mainLayout.createSequentialGroup().addContainerGap().addGroup( + mainLayout.createParallelGroup(GroupLayout.Alignment.LEADING).addComponent(viewerPanel, 0, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE).addComponent(buttonPanel, 0, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)).addContainerGap()); + mainLayout.setVerticalGroup( + mainLayout.createSequentialGroup().addContainerGap().addComponent(viewerPanel, 0, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE).addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED).addComponent(buttonPanel, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE).addContainerGap()); + } + + private JPanel createViewerPanel(String viewerLabelText, URL helpURL) { + log.debug("viewer dialog: " + helpURL.toString()); + + final JEditorPane viewer = new JEditorPane(); + viewer.setEditable(false); + try { + viewer.setPage(helpURL); + viewer.addHyperlinkListener(new HyperlinkListener() { + + @Override + public void hyperlinkUpdate(HyperlinkEvent e) { + final URL url = e.getURL(); + if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) { + if (ctx != null) { + log.debug("open external link in help viewer: " + url); + ctx.showDocument(url, "_blank"); + } else { + SwingUtilities.invokeLater(new Runnable() { + + @Override + public void run() { + String msgP = messages.getString(BKUGUIFacade.ERR_EXTERNAL_LINK); + String msg = MessageFormat.format(msgP, url); + String title = messages.getString(BKUGUIFacade.TITLE_ERROR); + JOptionPane.showMessageDialog(rootPane, msg, title, JOptionPane.ERROR_MESSAGE); + } + }); + } + } + } + }); + } catch (IOException ex) { + String p = messages.getString(BKUGUIFacade.ERR_VIEWER); + viewer.setText(MessageFormat.format(p, new Object[]{ex.getMessage()})); + } + + JScrollPane scrollPane = new JScrollPane(viewer); + scrollPane.setPreferredSize(viewer.getPreferredSize()); + scrollPane.setAlignmentX(LEFT_ALIGNMENT); + viewer.setCaretPosition(0); + + JLabel viewerLabel = new JLabel(); + viewerLabel.setText(viewerLabelText); + viewerLabel.setFont(viewerLabel.getFont().deriveFont(viewerLabel.getFont().getStyle() | java.awt.Font.BOLD)); + viewerLabel.setLabelFor(viewer); + + JPanel viewerPanel = new JPanel(); + GroupLayout viewerPanelLayout = new GroupLayout(viewerPanel); + viewerPanel.setLayout(viewerPanelLayout); + + viewerPanelLayout.setHorizontalGroup( + viewerPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING).addComponent(viewerLabel).addComponent(scrollPane)); + viewerPanelLayout.setVerticalGroup( + viewerPanelLayout.createSequentialGroup().addComponent(viewerLabel).addPreferredGap(LayoutStyle.ComponentPlacement.RELATED).addComponent(scrollPane)); + + return viewerPanel; + } + + private JPanel createButtonPanel() { + JButton closeButton = new JButton(); + closeButton.setText(messages.getString(BKUGUIFacade.BUTTON_CLOSE)); + closeButton.addActionListener(this); + + JPanel buttonPanel = new JPanel(); + GroupLayout buttonPanelLayout = new GroupLayout(buttonPanel); + buttonPanel.setLayout(buttonPanelLayout); + + buttonPanelLayout.setHorizontalGroup( + buttonPanelLayout.createSequentialGroup().addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE).addComponent(closeButton)); + buttonPanelLayout.setVerticalGroup( + buttonPanelLayout.createSequentialGroup().addComponent(closeButton)); + return buttonPanel; + } + + @Override + public void actionPerformed(ActionEvent e) { + HelpViewer.dialog.setVisible(false); + } +} -- cgit v1.2.3