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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
*
* ---------------
* JavaFXTipOfTheDay.java
* ---------------
*/
package org.jpedal.examples.viewer.commands.javafx;
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 javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.control.Button;
import javafx.scene.control.CheckBox;
import javafx.scene.control.Label;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.*;
import javafx.scene.web.WebEngine;
import javafx.scene.web.WebView;
import javafx.stage.Modality;
import org.jpedal.examples.viewer.gui.javafx.dialog.FXDialog;
import org.jpedal.examples.viewer.utils.PropertiesFile;
import org.jpedal.utils.Messages;
/**
* Class which displays the Tip of the Day
* Can be toggled to display on Viewer Startup.
*/
public class JavaFXTipOfTheDay {
private static FXDialog tipOfDayPopup;
private static final List urls = new ArrayList();
private static final BorderPane border = new BorderPane();
private static WebEngine webEngine;
private static int currentTip;
private static final CheckBox show = new CheckBox(Messages.getMessage("PdfViewerTipOfDay.Show"));
/**
* Generate and show the Tip of the Day
*
* @param args Object array, must be null for default behaviour
* @param properties PropertiesFile object holding current properties data
*/
public static void execute(final Object[] args, final PropertiesFile properties) {
if (args == null) {
try {
populateTipsList("/org/jpedal/examples/viewer/res/tips");
} catch (final IOException ex) {
ex.printStackTrace();
}
getTip(properties);
} else {
}
}
private static void getTip(final PropertiesFile properties) {
setupStage();
bottomButtons();
// Code to Handle Auto Startup.
final String propValue = properties.getValue("displaytipsonstartup");
if (!propValue.isEmpty()) {
show.setSelected(propValue.equals("true"));
}
show.setOnAction(new EventHandler() {
@Override
public void handle(final ActionEvent e) {
properties.setValue("displaytipsonstartup", String.valueOf(show.isSelected()));
}
});
tipOfDayPopup.show();
}
private static void setupStage() {
// Setup the Main Stage.
tipOfDayPopup = new FXDialog(null, Modality.APPLICATION_MODAL, border, 500, 400);
tipOfDayPopup.setTitle(Messages.getMessage("PdfCustomGui.Tipoftheday"));
// Setup Did You Know Top Element.
final HBox titleBar = new HBox();
final Label title = new Label(Messages.getMessage("PdfViewerTipOfDay.DidYouKnow"), new ImageView(new Image("/org/jpedal/examples/viewer/res/tip.png")));
titleBar.getChildren().addAll(title);
titleBar.setPadding(new Insets(10, 0, 20, 10));
border.setTop(titleBar);
// Setup the Default WebView.
final VBox middle = new VBox();
final Random r = new Random();
currentTip = r.nextInt(urls.size());
final WebView centerTip = new WebView();
webEngine = centerTip.getEngine();
final URL tip = JavaFXTipOfTheDay.class.getResource("/org/jpedal/examples/viewer/res/tips/apps/javabean.html");
webEngine.load(tip.toExternalForm());
middle.getChildren().addAll(centerTip);
middle.setAlignment(Pos.CENTER);
middle.setPadding(new Insets(0, 10, 20, 10));
border.setCenter(middle);
}
/**
* Sets up the Bottom Buttons.
*/
private static void bottomButtons() {
// Setup the Next Button.
final HBox bottomButtons = new HBox();
final Button nextTip = new Button(Messages.getMessage("PdfViewerTipOfDay.Next"));
nextTip.setOnAction(new EventHandler() {
@Override
public void handle(final javafx.event.ActionEvent e) {
if (currentTip < urls.size() - 1) {
currentTip++;
} else {
currentTip = 0;
}
final URL urlNext = JavaFXTipOfTheDay.class.getResource(urls.get(currentTip));
webEngine.load(urlNext.toExternalForm());
}
});
// Setup the Previous Button.
final Button prevTip = new Button(Messages.getMessage("PdfViewerTipOfDay.Previous"));
prevTip.setOnAction(new EventHandler() {
@Override
public void handle(final javafx.event.ActionEvent e) {
if (currentTip < urls.size() && currentTip > 0) {
currentTip--;
} else {
currentTip = urls.size() - 1;
}
final URL urlPrev = JavaFXTipOfTheDay.class.getResource(urls.get(currentTip));
webEngine.load(urlPrev.toExternalForm());
}
});
show.setAlignment(Pos.BOTTOM_LEFT);
show.setPadding(new Insets(0, 0, 10, 10));
final Region space = new Region();
HBox.setHgrow(space, Priority.ALWAYS);
bottomButtons.getChildren().addAll(show, space, prevTip, nextTip);
bottomButtons.setAlignment(Pos.BOTTOM_RIGHT);
bottomButtons.setPadding(new Insets(0, 10, 10, 0));
bottomButtons.setSpacing(10d);
border.setBottom(bottomButtons);
}
/**
* Creates an Array List which holds all of the Tips located in the tips directory.
*
* @param tipRoot
* @throws IOException
*/
private static void populateTipsList(final String tipRoot) throws IOException {
try {
final URL url = JavaFXTipOfTheDay.class.getResource(tipRoot);
// 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
urls.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);
} else if ((inputLine.endsWith(".htm")) || inputLine.endsWith(".html")) { // this is a file
urls.add(tipRoot + '/' + inputLine);
}
}
in.close();
}
} catch (final IOException e) {
throw e;
}
}
}
