Initial implementation

.gitignore

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+*.class
+/target
+/package

Create-Package.ps1

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+# Create the Microsoft Windows installation package
+# and the default self-contained Jar package
+
+# Change it!
+$Version = "1.0"
+
+Remove-Item -Recurse -Force .\package
+mvn clean
+mvn install
+jpackage `
+    --input .\target `
+    --dest .\package `
+    --main-class cloud.bernardi.pdfjuggler.MainFrame `
+    --main-jar pdfjuggler-${Version}-jar-with-dependencies.jar `
+    --icon graphics/icon-32.ico `
+    --description "Sort, merge and cut the pages of PDF documents." `
+    --copyright "Copyright 2020 Paolo Bernardi" `
+    --name "PDF Juggler" `
+    --app-version "${Version}" `
+    --license-file LICENSE `
+    --vendor "Paolo Bernardi" `
+    --win-menu `
+    --win-per-user-install
+Copy-Item ".\target\pdfjuggler-${Version}-jar-with-dependencies.jar" .\package
+Rename-Item ".\package\pdfjuggler-${Version}-jar-with-dependencies.jar" "pdfjuggler-${Version}.jar"
+Rename-Item ".\package\PDF Juggler-${Version}.exe" "pdfjuggler-${Version}.exe"

LICENSE

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-                    GNU GENERAL PUBLIC LICENSE
-                       Version 3, 29 June 2007
+GNU GENERAL PUBLIC LICENSE
+Version 3, 29 June 2007
 
  Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
  Everyone is permitted to copy and distribute verbatim copies

README.md

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+<a href="https://www.bernardi.cloud/">
+    <img src=".readme-files/pdfjuggler-logo-72.png" alt="PDF Juggler logo" title="PDF Juggler" align="right" height="72" />
+</a>
+
+# PDF Juggler
+> A desktop tool to mix, reorder and select PDF pages
+
+[![Java](https://img.shields.io/badge/java-v1.8-blue.svg)](https://adoptopenjdk.net/)
+[![License](https://img.shields.io/github/license/bernarpa/pdfjuggler.svg)](https://opensource.org/licenses/GPL-3.0)
+[![GitHub issues](https://img.shields.io/github/issues/bernarpa/pdfjuggler.svg)](https://github.com/bernarpa/pdfjuggler/issues)
+
+## Table of contents
+
+- [What is PDF Juggler](#what-is-pdf-juggler)
+- [What does it look like](#what-does-it-look-like)
+- [License](#license)
+
+## What is PDF Juggler
+
+PDF Juggler is a simple desktop tool to mix, reorder and select PDF pages. Drop your PDFs into the PDF Juggler window, move the pages around, delete them, rotate them, save the result and you're done!
+
+This tool is a clone of [PDF Shuffler](https://sourceforge.net/projects/pdfshuffler/) and [PDF Arranger](https://github.com/pdfarranger/pdfarranger/), which are a must have for anyone who deals with PDF files. Why did I build PDF Juggler, then? To pay my daily tribute to universal firstly, and to have a flawless experience on Microsoft Windows secondly. :-)
+
+## What does it look like
+
+Nothing fancy:
+
+![Image](.readme-files/screenshot.png)
+
+# License
+
+PDF Juggler is licensed under the terms of the GNU General Public License version 3.

nb-configuration.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project-shared-configuration>
+    <!--
+This file contains additional configuration written by modules in the NetBeans IDE.
+The configuration is intended to be shared among all the users of project and
+therefore it is assumed to be part of version control checkout.
+Without this configuration present, some functionality in the IDE may be limited or fail altogether.
+-->
+    <properties xmlns="http://www.netbeans.org/ns/maven-properties-data/1">
+        <!--
+Properties that influence various parts of the IDE, especially code formatting and the like. 
+You can copy and paste the single properties, into the pom.xml file and the IDE will pick them up.
+That way multiple projects can share the same settings (useful for formatting rules for example).
+Any value defined here will override the pom.xml file value but is only applicable to the current project.
+-->
+        <netbeans.hint.license>gpl30</netbeans.hint.license>
+    </properties>
+</project-shared-configuration>

nbactions.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<actions>
+        <action>
+            <actionName>run</actionName>
+            <packagings>
+                <packaging>jar</packaging>
+            </packagings>
+            <goals>
+                <goal>process-classes</goal>
+                <goal>org.codehaus.mojo:exec-maven-plugin:1.5.0:exec</goal>
+            </goals>
+            <properties>
+                <exec.args>-classpath %classpath cloud.bernardi.pdfjuggler.MainFrame</exec.args>
+                <exec.executable>java</exec.executable>
+            </properties>
+        </action>
+        <action>
+            <actionName>debug</actionName>
+            <packagings>
+                <packaging>jar</packaging>
+            </packagings>
+            <goals>
+                <goal>process-classes</goal>
+                <goal>org.codehaus.mojo:exec-maven-plugin:1.5.0:exec</goal>
+            </goals>
+            <properties>
+                <exec.args>-agentlib:jdwp=transport=dt_socket,server=n,address=${jpda.address} -classpath %classpath cloud.bernardi.pdfjuggler.MainFrame</exec.args>
+                <exec.executable>java</exec.executable>
+                <jpda.listen>true</jpda.listen>
+            </properties>
+        </action>
+        <action>
+            <actionName>profile</actionName>
+            <packagings>
+                <packaging>jar</packaging>
+            </packagings>
+            <goals>
+                <goal>process-classes</goal>
+                <goal>org.codehaus.mojo:exec-maven-plugin:1.5.0:exec</goal>
+            </goals>
+            <properties>
+                <exec.args>-classpath %classpath cloud.bernardi.pdfjuggler.MainFrame</exec.args>
+                <exec.executable>java</exec.executable>
+            </properties>
+        </action>
+    </actions>