mirror of
https://github.com/bronson-g/pdfCombiner.git
synced 2025-12-23 22:18:04 -05:00
first commit
This commit is contained in:
Bronson Graansma
3
.gitignore
vendored
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3
.gitignore
vendored
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*.iml
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.idea/
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target/
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89
pom.xml
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89
pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.ingvonic</groupId>
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<artifactId>pdfCombiner</artifactId>
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<version>1.0-SNAPSHOT</version>
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<properties>
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<maven.compiler.source>1.8</maven.compiler.source>
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<maven.compiler.target>1.8</maven.compiler.target>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.apache.pdfbox</groupId>
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<artifactId>pdfbox</artifactId>
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<version>2.0.15</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<artifactId>maven-jar-plugin</artifactId>
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<version>3.0.0</version>
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<configuration>
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<finalName>PdfCombiner</finalName>
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<archive>
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<manifest>
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<mainClass>PdfCombiner</mainClass>
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</manifest>
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</archive>
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</configuration>
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</plugin>
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<plugin>
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<artifactId>maven-shade-plugin</artifactId>
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<version>2.4.3</version>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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<configuration>
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<minimizeJar>true</minimizeJar>
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<shadedArtifactAttached>false</shadedArtifactAttached>
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<createDependencyReducedPom>false</createDependencyReducedPom>
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<filters>
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<filter>
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<artifact>org.apache.pdfbox:pdfbox</artifact>
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<includes>
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<include>**</include>
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</includes>
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</filter>
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<filter>
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<artifact>commons-logging:commons-logging</artifact>
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<includes>
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<include>**</include>
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</includes>
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</filter>
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</filters>
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</configuration>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<artifactId>maven-dependency-plugin</artifactId>
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<executions>
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<execution>
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<id>copy-dependencies</id>
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<phase>prepare-package</phase>
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<goals>
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<goal>copy-dependencies</goal>
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</goals>
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<configuration>
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<outputDirectory>${project.build.directory}/classes/lib</outputDirectory>
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<overWriteReleases>true</overWriteReleases>
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<overWriteSnapshots>true</overWriteSnapshots>
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<overWriteIfNewer>true</overWriteIfNewer>
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</configuration>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>
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95
src/main/java/FileJList.java
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95
src/main/java/FileJList.java
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import javax.swing.*;
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import java.awt.datatransfer.DataFlavor;
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import java.awt.datatransfer.StringSelection;
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import java.awt.datatransfer.Transferable;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* A JList that has files as elements, and can be reordered via drag and drop.
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*
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* created on 2019-07-05
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*/
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class FileJList extends JList<String> {
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private DefaultListModel<String> view;
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private List<File> model;
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FileJList() {
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super();
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view = new DefaultListModel<>();
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model = new ArrayList<>();
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setModel(view);
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setDragEnabled(true);
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setDropMode(DropMode.INSERT);
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setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
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setTransferHandler(new DragAndDrop());
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}
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List<File> getElements() {
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return new ArrayList<>(model);
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}
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boolean isEmpty() {
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return model.isEmpty() && view.isEmpty();
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}
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void addElement(int i, File file) {
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model.add(i, file);
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view.addElement(file.getName());
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}
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void addElement(File file) {
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model.add(file);
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view.addElement(file.getName());
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}
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File getElement(int i) {
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return model.get(i);
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}
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File removeElement(int i) {
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view.remove(i);
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return model.remove(i);
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}
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void clear() {
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view.clear();
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model.clear();
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}
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private class DragAndDrop extends TransferHandler {
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private int index;
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@Override
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public int getSourceActions(JComponent comp) {
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return MOVE;
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}
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@Override
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public Transferable createTransferable(JComponent comp) {
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index = getSelectedIndex();
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return new StringSelection(getSelectedValue());
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}
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@Override
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public void exportDone(JComponent comp, Transferable trans, int action) {
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removeElement(action == MOVE ? index + 1 : index);
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}
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@Override
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public boolean canImport(TransferHandler.TransferSupport support) {
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return support.isDataFlavorSupported(DataFlavor.stringFlavor);
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}
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@Override
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public boolean importData(TransferHandler.TransferSupport support) {
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JList.DropLocation dl = (JList.DropLocation) support.getDropLocation();
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addElement(dl.getIndex(), model.get(index));
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return true;
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}
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}
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}
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135
src/main/java/PdfCombiner.java
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135
src/main/java/PdfCombiner.java
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import org.apache.pdfbox.io.MemoryUsageSetting;
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import org.apache.pdfbox.multipdf.PDFMergerUtility;
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import javax.swing.*;
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import javax.swing.filechooser.FileNameExtensionFilter;
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import java.awt.*;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.util.Arrays;
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/**
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* Simple GUI to quickly merge multiple pdf files into a single pdf file.
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*
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* created on 2019-06-25
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*/
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public class PdfCombiner extends JFrame {
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private FileJList list;
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private JFileChooser chooser;
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public static void main(String... args) {
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EventQueue.invokeLater(PdfCombiner::new);
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}
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private PdfCombiner() {
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chooser = new JFileChooser();
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list = new FileJList();
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chooser.setFileFilter(new FileNameExtensionFilter("Portable Document Format", "pdf"));
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setTitle("PDF Combiner");
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setLocationRelativeTo(null);
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setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
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initialize();
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pack();
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setMinimumSize(getSize());
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setVisible(true);
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}
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private void initialize() {
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setLayout(new BorderLayout());
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JScrollPane scroller = new JScrollPane();
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scroller.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
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scroller.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
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scroller.setViewportView(list);
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scroller.setMinimumSize(new Dimension(100, 100));
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add(scroller, BorderLayout.CENTER);
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JPanel bottom = new JPanel(new GridLayout());
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JButton addButton = new JButton("+");
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addButton.addActionListener(l -> add());
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bottom.add(addButton);
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JButton removeButton = new JButton("-");
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removeButton.addActionListener(l -> remove());
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bottom.add(removeButton);
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JButton clearButton = new JButton("Clear");
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clearButton.addActionListener(l -> list.clear());
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bottom.add(clearButton);
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JButton saveButton = new JButton("Save");
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saveButton.addActionListener(l -> save());
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bottom.add(saveButton);
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add(bottom, BorderLayout.SOUTH);
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}
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private void remove() {
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int[] indices = list.getSelectedIndices();
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if(!list.isEmpty() && indices.length > 0) {
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Arrays.sort(indices);
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for(int i = indices.length - 1; i >= 0; i--) {
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list.removeElement(indices[i]);
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}
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}
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}
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private void save() {
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if(!list.isEmpty()) try {
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PDFMergerUtility merger = new PDFMergerUtility();
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for(File pdf : list.getElements()) {
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merger.addSource(pdf);
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}
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chooser.setMultiSelectionEnabled(false);
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chooser.showSaveDialog(this);
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String fileName = chooser.getSelectedFile().getAbsolutePath();
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if(!fileName.toLowerCase().endsWith(".pdf")) {
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fileName += ".pdf";
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}
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merger.setDestinationFileName(fileName);
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merger.mergeDocuments(MemoryUsageSetting.setupTempFileOnly());
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} catch(FileNotFoundException e) {
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warn("One or more of the selected files could not be found.");
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} catch(IOException e) {
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warn("An error occurred while saving.");
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e.printStackTrace();
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} else {
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warn("No PDFs were provided.");
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}
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}
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private void add() {
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chooser.setMultiSelectionEnabled(true);
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chooser.showOpenDialog(this);
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for(File pdf : chooser.getSelectedFiles()) {
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if(!list.getElements().contains(pdf)) {
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list.addElement(pdf);
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}
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}
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}
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private void warn(String message) {
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JOptionPane.showConfirmDialog(
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this,
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message,
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"Error",
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JOptionPane.DEFAULT_OPTION, JOptionPane.PLAIN_MESSAGE,
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null
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);
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}
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}
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Reference in New Issue
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