Commit

src/ui/dialogs/SinglePDF.py

@@ -0,0 +1,77 @@
+# SinglePDF.py
+
+import os
+try:
+    from fpdf import FPDF
+    FPDF_AVAILABLE = True
+except ImportError:
+    FPDF_AVAILABLE = False
+
+class PDF(FPDF):
+    """Custom PDF class to handle headers and footers."""
+    def header(self):
+        # No header
+        pass
+
+    def footer(self):
+        # Position at 1.5 cm from bottom
+        self.set_y(-15)
+        self.set_font('DejaVu', '', 8)
+        # Page number
+        self.cell(0, 10, 'Page ' + str(self.page_no()), 0, 0, 'C')
+
+def create_single_pdf_from_content(posts_data, output_filename, font_path, logger=print):
+    """
+    Creates a single PDF from a list of post titles and content.
+
+    Args:
+        posts_data (list): A list of dictionaries, where each dict has 'title' and 'content' keys.
+        output_filename (str): The full path for the output PDF file.
+        font_path (str): Path to the DejaVuSans.ttf font file.
+        logger (function, optional): A function to log progress and errors. Defaults to print.
+    """
+    if not FPDF_AVAILABLE:
+        logger("❌ PDF Creation failed: 'fpdf2' library is not installed. Please run: pip install fpdf2")
+        return False
+
+    if not posts_data:
+        logger("   No text content was collected to create a PDF.")
+        return False
+
+    pdf = PDF()
+    
+    try:
+        if not os.path.exists(font_path):
+            raise RuntimeError("Font file not found.")
+        pdf.add_font('DejaVu', '', font_path, uni=True)
+        pdf.add_font('DejaVu', 'B', font_path, uni=True) # Add Bold variant
+    except Exception as font_error:
+        logger(f"   ⚠️ Could not load DejaVu font: {font_error}")
+        logger("      PDF may not support all characters. Falling back to default Arial font.")
+        pdf.set_font('Arial', '', 12)
+        pdf.set_font('Arial', 'B', 16)
+
+    logger(f"   Starting PDF creation with content from {len(posts_data)} posts...")
+
+    for post in posts_data:
+        pdf.add_page()
+        # Post Title
+        pdf.set_font('DejaVu', 'B', 16)
+
+        # vvv THIS LINE IS CORRECTED vvv
+        # We explicitly set align='L' and remove the incorrect positional arguments.
+        pdf.multi_cell(w=0, h=10, text=post.get('title', 'Untitled Post'), align='L')
+        
+        pdf.ln(5) # Add a little space after the title
+
+        # Post Content
+        pdf.set_font('DejaVu', '', 12)
+        pdf.multi_cell(w=0, h=7, text=post.get('content', 'No Content'))
+    
+    try:
+        pdf.output(output_filename)
+        logger(f"✅ Successfully created single PDF: '{os.path.basename(output_filename)}'")
+        return True
+    except Exception as e:
+        logger(f"❌ A critical error occurred while saving the final PDF: {e}")
+        return False