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/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2017 IDRsolutions and Contributors.
*
* This file is part of JPedal/JPDF2HTML5
*
This library 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 library 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 library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---------------
* TipOfTheDay.java
* ---------------
*/
package org.jpedal.examples.viewer.gui.popups;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.JarURLConnection;
import java.net.URL;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.Random;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.*;
import javax.swing.border.BevelBorder;
import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkListener;
import org.jpedal.examples.viewer.utils.PropertiesFile;
import org.jpedal.utils.BrowserLauncher;
import org.jpedal.utils.LogWriter;
import org.jpedal.utils.Messages;
public class TipOfTheDay extends JDialog {
private final List tipPaths = new ArrayList();
private boolean tipLoadingFailed;
private int currentTip;
private final JEditorPane tipPane = new JEditorPane();
private final JCheckBox showTipsOnStartup = new JCheckBox(Messages.getMessage("PdfViewerTipOfDay.Show"));
public TipOfTheDay(final Container parent, final String tipsRoot, final PropertiesFile propertiesFile) {
super((JFrame) null, Messages.getMessage("PdfCustomGui.Tipoftheday"), true);
setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
try {
populateTipsList(tipsRoot, tipPaths);
} catch (final IOException e) {
tipLoadingFailed = true;
LogWriter.writeLog("Exception " + e.getMessage());
}
final Random r = new Random();
currentTip = r.nextInt(tipPaths.size());
setSize(550, 350);
init(propertiesFile);
setLocationRelativeTo(parent);
}
private void init(final PropertiesFile propertiesFile) {
getContentPane().setLayout(new GridBagLayout());
final GridBagConstraints mainPanelConstraints = new GridBagConstraints();
mainPanelConstraints.gridx = 0;
mainPanelConstraints.gridy = 0;
mainPanelConstraints.fill = GridBagConstraints.HORIZONTAL;
mainPanelConstraints.anchor = GridBagConstraints.PAGE_START;
mainPanelConstraints.weighty = 0;
mainPanelConstraints.weightx = 0;
mainPanelConstraints.insets = new Insets(10, 10, 0, 10);
/*
* add the top panel to the Dialog, this is the image, and the title "Did you know ... ?"
*/
addTopPanel(mainPanelConstraints);
mainPanelConstraints.fill = GridBagConstraints.BOTH;
mainPanelConstraints.gridy = 1;
mainPanelConstraints.weighty = 1;
mainPanelConstraints.weightx = 1;
/*
* add the main JEditorPane to the Dialog which displays the html files
*/
addCenterTip(mainPanelConstraints);
mainPanelConstraints.fill = GridBagConstraints.HORIZONTAL;
mainPanelConstraints.gridy = 2;
mainPanelConstraints.weighty = 0;
mainPanelConstraints.weightx = 0;
mainPanelConstraints.insets = new Insets(0, 7, 0, 10);
/*
* add the JCheckBox to the Dialog which allows the user to enable/disable displaying on
* startup
*/
addDisplayOnStartup(mainPanelConstraints, propertiesFile);
mainPanelConstraints.gridy = 3;
mainPanelConstraints.insets = new Insets(0, 0, 10, 10);
/*
* add the navigation buttons at the bottom of the panel which allows the user to move
* forwards/backwards through the tips, and also allows the Dialog to be closed.
*/
addBottomButtons(mainPanelConstraints);
}
private void addDisplayOnStartup(final GridBagConstraints mainPanelConstraints, final PropertiesFile propertiesFile) {
final String propValue = propertiesFile.getValue("displaytipsonstartup");
if (!propValue.isEmpty()) {
showTipsOnStartup.setSelected(propValue.equals("true"));
}
showTipsOnStartup.addActionListener(new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
propertiesFile.setValue("displaytipsonstartup", String.valueOf(showTipsOnStartup.isSelected()));
}
});
getContentPane().add(showTipsOnStartup, mainPanelConstraints);
}
private void addBottomButtons(final GridBagConstraints mainPanelConstraints) {
final JPanel bottomPanel = new JPanel();
bottomPanel.setLayout(new BoxLayout(bottomPanel, BoxLayout.LINE_AXIS));
bottomPanel.add(Box.createHorizontalGlue());
final JButton previousTip = new JButton(Messages.getMessage("PdfViewerTipOfDay.Previous"));
previousTip.addActionListener(new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
changeTip(-1);
}
});
bottomPanel.add(previousTip);
bottomPanel.add(Box.createRigidArea(new Dimension(5, 0)));
final JButton nextTip = new JButton(Messages.getMessage("PdfViewerTipOfDay.Next"));
nextTip.addActionListener(new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
changeTip(1);
}
});
nextTip.setPreferredSize(previousTip.getPreferredSize());
bottomPanel.add(nextTip);
bottomPanel.add(Box.createRigidArea(new Dimension(5, 0)));
final JButton close = new JButton(Messages.getMessage("PdfViewerButton.Close"));
close.addActionListener(new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
dispose();
setVisible(false);
}
});
close.setPreferredSize(previousTip.getPreferredSize());
setFocusTraversalPolicy(new MyFocus(getFocusTraversalPolicy(), close));
close.addKeyListener(new KeyListener() {
@Override
public void keyTyped(final KeyEvent event) {
}
@Override
public void keyPressed(final KeyEvent event) {
if (event.getKeyCode() == 10) {
dispose();
setVisible(false);
}
}
@Override
public void keyReleased(final KeyEvent event) {
}
});
bottomPanel.add(close);
getContentPane().add(bottomPanel, mainPanelConstraints);
}
private void changeTip(final int ammount) {
currentTip += ammount;
/* wrap the current tip if needed */
if (currentTip == tipPaths.size()) {
currentTip = 0;
} else if (currentTip == -1) {
currentTip = tipPaths.size() - 1;
}
if (!tipLoadingFailed) {
try {
tipPane.setPage(getClass().getResource(tipPaths.get(currentTip)));
} catch (final IOException e) {
tipLoadingFailed = true;
LogWriter.writeLog("Exception " + e.getMessage());
}
}
if (tipLoadingFailed) {
tipPane.setText("Error displaying tips, no tip to display");
}
}
private void populateTipsList(final String tipRoot, final List items) throws IOException {
try {
final URL url = getClass().getResource(tipRoot); //"/org/jpedal/examples/viewer/res/tips"
/*
* allow for it in jar
*/
if (url.toString().startsWith("jar")) {
final JarURLConnection conn = (JarURLConnection) url.openConnection();
final JarFile jar = conn.getJarFile();
for (final Enumeration e = jar.entries(); e.hasMoreElements(); ) {
final JarEntry entry = e.nextElement();
final String name = entry.getName();
if ((!entry.isDirectory()) && name.contains("/res/tips/") && name.endsWith(".html")) { // this
items.add('/' + name);
}
}
} else { //IDE
final BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()));
String inputLine;
while ((inputLine = in.readLine()) != null) {
if (inputLine.indexOf('.') == -1) { // this is a directory
populateTipsList(tipRoot + '/' + inputLine, items);
} else if ((inputLine.endsWith(".htm")) || inputLine.endsWith(".html")) { // this is a file
items.add(tipRoot + '/' + inputLine);
}
}
in.close();
}
} catch (final IOException e) {
LogWriter.writeLog("Exception " + e.getMessage());
throw e;
}
}
private void addCenterTip(final GridBagConstraints mainPanelConstraints) {
tipPane.setEditable(false);
tipPane.setAutoscrolls(true);
tipPane.addHyperlinkListener(new HyperlinkListener() {
@Override
public void hyperlinkUpdate(final HyperlinkEvent e) {
if (e.getEventType().equals(HyperlinkEvent.EventType.ACTIVATED)) {
try {
BrowserLauncher.openURL(e.getURL().toExternalForm());
} catch (final Exception ex) {
Logger.getLogger(TipOfTheDay.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
});
final JScrollPane scrollPane = new JScrollPane();
scrollPane.getViewport().add(tipPane);
scrollPane.setBorder(BorderFactory.createBevelBorder(BevelBorder.LOWERED));
getContentPane().add(scrollPane, mainPanelConstraints);
changeTip(0);
}
private void addTopPanel(final GridBagConstraints mainPanelConstraints) {
final JPanel topPanel = new JPanel();
topPanel.setLayout(new BoxLayout(topPanel, BoxLayout.LINE_AXIS));
final JLabel tipImage = new JLabel(new ImageIcon(getClass().getResource("/org/jpedal/examples/viewer/res/tip.png")));
topPanel.add(tipImage);
final JLabel label = new JLabel(Messages.getMessage("PdfViewerTipOfDay.DidYouKnow"));
final Font font = label.getFont().deriveFont(16.0f);
label.setFont(font);
topPanel.add(Box.createRigidArea(new Dimension(10, 0)));
topPanel.add(label);
getContentPane().add(topPanel, mainPanelConstraints);
}
static class MyFocus extends FocusTraversalPolicy {
final FocusTraversalPolicy original;
final JButton close;
MyFocus(final FocusTraversalPolicy original, final JButton close) {
this.original = original;
this.close = close;
}
@Override
public Component getComponentAfter(final Container arg0, final Component arg1) {
return original.getComponentAfter(arg0, arg1);
}
@Override
public Component getComponentBefore(final Container arg0, final Component arg1) {
return original.getComponentBefore(arg0, arg1);
}
@Override
public Component getFirstComponent(final Container arg0) {
return original.getFirstComponent(arg0);
}
@Override
public Component getLastComponent(final Container arg0) {
return original.getLastComponent(arg0);
}
@Override
public Component getDefaultComponent(final Container arg0) {
return close;
}
}
}
