From 65919d462139cff8b8972ee57feaa675e7e79ec5 Mon Sep 17 00:00:00 2001 From: Maximilian Steinert <71747937+iradraconis@users.noreply.github.com> Date: Sun, 27 Oct 2024 21:52:52 +0100 Subject: [PATCH] feat: Add PDF split functionality - 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 --- .../editors/files/ArchiveFilePanel.form | 12 ++ .../editors/files/ArchiveFilePanel.java | 190 ++++++++++++++++++ 2 files changed, 202 insertions(+) diff --git a/j-lawyer-client/src/com/jdimension/jlawyer/client/editors/files/ArchiveFilePanel.form b/j-lawyer-client/src/com/jdimension/jlawyer/client/editors/files/ArchiveFilePanel.form index c07f0ef51..f493148fd 100755 --- a/j-lawyer-client/src/com/jdimension/jlawyer/client/editors/files/ArchiveFilePanel.form +++ b/j-lawyer-client/src/com/jdimension/jlawyer/client/editors/files/ArchiveFilePanel.form @@ -299,6 +299,18 @@ + + + + + + + + + + + + diff --git a/j-lawyer-client/src/com/jdimension/jlawyer/client/editors/files/ArchiveFilePanel.java b/j-lawyer-client/src/com/jdimension/jlawyer/client/editors/files/ArchiveFilePanel.java index 1b9e4319c..abd731156 100755 --- a/j-lawyer-client/src/com/jdimension/jlawyer/client/editors/files/ArchiveFilePanel.java +++ b/j-lawyer-client/src/com/jdimension/jlawyer/client/editors/files/ArchiveFilePanel.java @@ -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; @@ -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; @@ -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(); @@ -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() { @@ -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 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 open = this.getDocumentsOpenForWrite(selectedDocs); + if (!open.isEmpty()) { + String question = "Soll die Aktion auf geöffnete Dokumente ausgeführt werden? Es besteht das Risiko fehlender / inkonsistenter Inhalte.
    "; + for (String o : open) { + question = question + "
  • " + o + "
    • "; + } + question = question + "
"; + 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 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 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 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 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() { @@ -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;