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feat: Add PDF split functionality
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- Add new menu action to split PDF documents at specified page numbers
- Implement user dialog for comma-separated split page input
- Create new documents for each split part
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@iradraconis
iradraconis committed Oct 27, 2024
1 parent 7f22a7d commit 65919d4
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12 changes: 12 additions & 0 deletions j-lawyer-client/src/com/jdimension/jlawyer/client/editors/files/ArchiveFilePanel.form
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Expand Up @@ -299,6 +299,18 @@
<EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="mnuShrinkPdfActionPerformed"/>
</Events>
</MenuItem>
<MenuItem class="javax.swing.JMenuItem" name="mnuSplitPdf">
<Properties>
<Property name="icon" type="javax.swing.Icon" editor="org.netbeans.modules.form.editors2.IconEditor">
<Image iconType="3" name="/icons16/material/baseline_splitscreen_black_48dp.png"/>
</Property>
<Property name="text" type="java.lang.String" value="PDF aufteilen "/>
<Property name="toolTipText" type="java.lang.String" value="PDF aufteilen anhand Seitenzahl(en)"/>
</Properties>
<Events>
<EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="mnuSplitPdfActionPerformed"/>
</Events>
</MenuItem>
<MenuItem class="javax.swing.JMenuItem" name="mnuSaveDocumentsLocallyPdf">
<Properties>
<Property name="icon" type="javax.swing.Icon" editor="org.netbeans.modules.form.editors2.IconEditor">
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190 changes: 190 additions & 0 deletions j-lawyer-client/src/com/jdimension/jlawyer/client/editors/files/ArchiveFilePanel.java
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Expand Up @@ -781,6 +781,8 @@
import java.awt.event.AdjustmentEvent;
import java.awt.event.AdjustmentListener;
import java.awt.event.MouseEvent;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.text.DecimalFormat;
import java.text.NumberFormat;
Expand All @@ -800,6 +802,8 @@
import net.sf.jasperreports.engine.util.JRLoader;
import net.sf.jasperreports.view.JRViewer;
import org.apache.log4j.Logger;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.jlawyer.data.tree.GenericNode;
import org.jlawyer.plugins.calculation.GenericCalculationTable;
import org.jlawyer.plugins.calculation.StyledCalculationTable;
Expand Down Expand Up @@ -1777,6 +1781,7 @@ private void initComponents() {
jSeparator11 = new javax.swing.JPopupMenu.Separator();
mnuPdfAndConvertActions = new javax.swing.JMenu();
mnuShrinkPdf = new javax.swing.JMenuItem();
mnuSplitPdf = new javax.swing.JMenuItem();
mnuSaveDocumentsLocallyPdf = new javax.swing.JMenuItem();
mnuSaveDocumentEncrypted = new javax.swing.JMenuItem();
mnuDuplicateDocumentAs = new javax.swing.JMenuItem();
Expand Down Expand Up @@ -2202,6 +2207,16 @@ public void actionPerformed(java.awt.event.ActionEvent evt) {
});
mnuPdfAndConvertActions.add(mnuShrinkPdf);

mnuSplitPdf.setIcon(new javax.swing.ImageIcon(getClass().getResource("/icons16/material/baseline_splitscreen_black_48dp.png"))); // NOI18N
mnuSplitPdf.setText("PDF aufteilen ");
mnuSplitPdf.setToolTipText("PDF aufteilen anhand Seitenzahl(en)");
mnuSplitPdf.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
mnuSplitPdfActionPerformed(evt);
}
});
mnuPdfAndConvertActions.add(mnuSplitPdf);

mnuSaveDocumentsLocallyPdf.setIcon(new javax.swing.ImageIcon(getClass().getResource("/icons/filesave.png"))); // NOI18N
mnuSaveDocumentsLocallyPdf.setText("als PDF lokal speichern");
mnuSaveDocumentsLocallyPdf.addActionListener(new java.awt.event.ActionListener() {
Expand Down Expand Up @@ -7109,6 +7124,180 @@ private void mnuShrinkPdfActionPerformed(java.awt.event.ActionEvent evt) {//GEN-
}
}//GEN-LAST:event_mnuShrinkPdfActionPerformed

private void mnuSplitPdfActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_mnuSplitPdfActionPerformed
if (LoadDocumentPreviewThread.isRunning()) {
JOptionPane.showMessageDialog(this, "Bitte warten Sie bis die Dokumentvorschau abgeschlossen ist.", "Hinweis", JOptionPane.PLAIN_MESSAGE);
return;
}

ArrayList<ArchiveFileDocumentsBean> selectedDocs = this.caseFolderPanel1.getSelectedDocuments();
if (selectedDocs.isEmpty()) {
return;
}

for (ArchiveFileDocumentsBean doc : selectedDocs) {
if (!doc.getName().toLowerCase().endsWith(".pdf")) {
JOptionPane.showMessageDialog(null, "Es können nur PDF-Dateien gesplittet werden", "Fehler", JOptionPane.ERROR_MESSAGE);
return;
}
}

ArrayList<String> open = this.getDocumentsOpenForWrite(selectedDocs);
if (!open.isEmpty()) {
String question = "<html>Soll die Aktion auf geöffnete Dokumente ausgeführt werden? Es besteht das Risiko fehlender / inkonsistenter Inhalte.<br/><ul>";
for (String o : open) {
question = question + "<li>" + o + "</li>";
}
question = question + "</ul></html>";
int response = JOptionPane.showConfirmDialog(this, question, "Aktion auf offene Dokumente ausführen", JOptionPane.YES_NO_OPTION);
if (response == JOptionPane.NO_OPTION) {
return;
}
}

// Eingabedialog für Seitenzahlen
String pageInput = JOptionPane.showInputDialog(this,
"Bitte geben Sie die Seitenzahlen zum Splitten ein (kommagetrennt):",
"PDF Splitten",
JOptionPane.QUESTION_MESSAGE);

if (pageInput == null || pageInput.trim().isEmpty()) {
return;
}

List<Integer> splitPages = new ArrayList<>();
try {
for (String page : pageInput.split(",")) {
splitPages.add(Integer.parseInt(page.trim()));
}
Collections.sort(splitPages);
} catch (NumberFormatException e) {
JOptionPane.showMessageDialog(this, "Ungültige Seitenzahlen eingegeben", "Fehler", JOptionPane.ERROR_MESSAGE);
return;
}

try {
for (ArchiveFileDocumentsBean doc : selectedDocs) {
byte[] content = CachingDocumentLoader.getInstance().getDocument(doc.getId());
String tempPath = FileUtils.createTempFile(doc.getName(), content);
List<String> tempFiles = new ArrayList<>();
tempFiles.add(tempPath);

try {
PDDocument document = PDDocument.load(new File(tempPath));
int pageCount = document.getNumberOfPages();
document.close();

for (int page : splitPages) {
if (page <= 0 || page >= pageCount) {
JOptionPane.showMessageDialog(this,
"Ungültige Seitenzahl: " + page + ". Das Dokument hat " + pageCount + " Seiten.",
"Fehler",
JOptionPane.ERROR_MESSAGE);
return;
}
}

List<Integer> allSplitPoints = new ArrayList<>();
allSplitPoints.add(0);
allSplitPoints.addAll(splitPages);
allSplitPoints.add(pageCount);

ClientSettings settings = ClientSettings.getInstance();
JLawyerServiceLocator locator = JLawyerServiceLocator.getInstance(settings.getLookupProperties());
ArchiveFileServiceRemote remote = locator.lookupArchiveFileServiceRemote();

// Erstelle für jeden Abschnitt ein neues temporäres Dokument
for (int i = 0; i < allSplitPoints.size() - 1; i++) {
int startPage = allSplitPoints.get(i);
int endPage = allSplitPoints.get(i + 1);

// Erstelle eine neue temporäre Datei für diesen Teil
String partTempPath = FileUtils.createTempFile("part_" + (i + 1) + "_" + doc.getName(), new byte[0]);
tempFiles.add(partTempPath);

PDDocument sourceDoc = PDDocument.load(new File(tempPath));
PDDocument newDoc = new PDDocument();

// Kopiere die relevanten Seiten
for (int pageNum = startPage; pageNum < endPage; pageNum++) {
newDoc.importPage(sourceDoc.getPage(pageNum));
}

// Speichere den Teil
newDoc.save(new File(partTempPath));
newDoc.close();
sourceDoc.close();

// Generiere Namen für das neue Dokument
String baseName = doc.getName();
if (baseName.toLowerCase().endsWith(".pdf")) {
baseName = baseName.substring(0, baseName.length() - 4);
}
String newName = baseName + "_Teil" + (i + 1) + ".pdf";

boolean documentExists = remote.doesDocumentExist(dto.getId(), newName); // Hier brauchen wir noch die richtige ID
if (documentExists) {
int response = JOptionPane.showOptionDialog(
EditorsRegistry.getInstance().getMainWindow(),
"Eine Datei mit dem Namen '" + newName + "' existiert bereits, soll diese ersetzt werden?",
"Datei ersetzen?",
JOptionPane.YES_NO_OPTION,
JOptionPane.WARNING_MESSAGE,
null,
new String[]{"Ja", "Nein"},
"Nein");

if (response != JOptionPane.YES_OPTION) {
continue;
}

// Finde und lösche existierendes Dokument
final String searchName = newName;
ArchiveFileDocumentsBean existingDoc = this.caseFolderPanel1.getDocuments().stream()
.filter(iterDoc -> searchName.equals(iterDoc.getName()))
.findAny()
.orElse(null);

if (existingDoc != null) {
remote.removeDocument(existingDoc.getId());
remote.removeDocumentFromBin(existingDoc.getId());
caseFolderPanel1.removeDocument(existingDoc);
}
}

// Lese den Inhalt der temporären Datei
byte[] newContent = FileUtils.readFile(new File(partTempPath));

// Füge neues Dokument hinzu
ArchiveFileDocumentsBean newDocument = remote.addDocument(dto.getId(), newName, newContent, doc.getDictateSign(), null);

// Setze zusätzliche Eigenschaften
newDocument.setSize(newContent.length);
if (doc.getFolder() != null) {
newDocument.setFolder(doc.getFolder());
ArrayList<String> documentIds = new ArrayList<>();
documentIds.add(newDocument.getId());
remote.moveDocumentsToFolder(documentIds, doc.getFolder().getId());
}

// Füge Dokument zur Ansicht hinzu
caseFolderPanel1.addDocument(newDocument, null);
}
} finally {
for (String tempFile : tempFiles) {
FileUtils.cleanupTempFile(tempFile);
}
}
}
} catch (Exception ex) {
log.error("Error splitting PDF", ex);
JOptionPane.showMessageDialog(this,
"Fehler beim Splitten des Dokuments: " + ex.getMessage(),
com.jdimension.jlawyer.client.utils.DesktopUtils.POPUP_TITLE_ERROR,
JOptionPane.ERROR_MESSAGE);
}
}//GEN-LAST:event_mnuSplitPdfActionPerformed

public void exportSelectedDocumentsAsPdf() {

Expand Down Expand Up @@ -7829,6 +8018,7 @@ public void drop(DropTargetDropEvent dtde) {
private javax.swing.JMenuItem mnuSetReviewOpen;
private javax.swing.JMenuItem mnuShareNextcloud;
private javax.swing.JMenuItem mnuShrinkPdf;
private javax.swing.JMenuItem mnuSplitPdf;
private javax.swing.JMenuItem mnuToggleFavorite;
private javax.swing.JMenuItem mnuUseDocumentAsTemplate;
private com.jdimension.jlawyer.client.editors.files.NewEventPanel newEventPanel;
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