fix table in cell wrapping

2025-11-10 15:15:03 +01:00
parent 5afad2ca07
commit 8e720d4037
7 changed files with 499 additions and 15 deletions
@@ -0,0 +1,121 @@
+#!/usr/bin/env python3
+"""
+Simple Table Text Wrapping Example
+
+A minimal example showing text wrapping in table cells.
+Perfect for quick testing and demonstration.
+"""
+
+import sys
+from pathlib import Path
+
+# Add pyWebLayout to path
+sys.path.insert(0, str(Path(__file__).parent.parent))
+
+from pyWebLayout.io.readers.html_extraction import parse_html_string
+from pyWebLayout.layout.document_layouter import DocumentLayouter
+from pyWebLayout.style.page_style import PageStyle
+from pyWebLayout.style import Font
+from pyWebLayout.concrete.table import TableStyle
+from pyWebLayout.concrete.page import Page
+from pyWebLayout.abstract.block import Table
+
+
+def main():
+    """Create a simple table with text wrapping."""
+    print("\nSimple Table Text Wrapping Example")
+    print("=" * 50)
+
+    # HTML with a table containing long text
+    html = """
+    <table>
+        <caption>Text Wrapping Demonstration</caption>
+        <thead>
+            <tr>
+                <th>Column 1</th>
+                <th>Column 2</th>
+                <th>Column 3</th>
+            </tr>
+        </thead>
+        <tbody>
+            <tr>
+                <td>This is a cell with quite a lot of text that will need to wrap across multiple lines.</td>
+                <td>Short text</td>
+                <td>Another cell with enough content to demonstrate the automatic line wrapping functionality.</td>
+            </tr>
+            <tr>
+                <td>Cell A</td>
+                <td>This middle cell contains a paragraph with several words that should wrap nicely within the available space.</td>
+                <td>Cell C</td>
+            </tr>
+            <tr>
+                <td>Words like supercalifragilisticexpialidocious might need hyphenation.</td>
+                <td>Normal text</td>
+                <td>The wrapping algorithm handles both regular word wrapping and hyphenation seamlessly.</td>
+            </tr>
+        </tbody>
+    </table>
+    """
+
+    print("\n  Parsing HTML and creating table...")
+
+    # Parse HTML
+    base_font = Font(font_size=12)
+    blocks = parse_html_string(html, base_font=base_font)
+
+    # Find table
+    table = None
+    for block in blocks:
+        if isinstance(block, Table):
+            table = block
+            break
+
+    if not table:
+        print("  ✗ No table found!")
+        return
+
+    print("  ✓ Table parsed successfully")
+
+    # Create page
+    page_style = PageStyle(
+        padding=(30, 30, 30, 30),
+        background_color=(255, 255, 255)
+    )
+    page = Page(size=(800, 600), style=page_style)
+
+    # Create table style
+    table_style = TableStyle(
+        border_width=2,
+        border_color=(70, 130, 180),
+        cell_padding=(10, 10, 10, 10),
+        header_bg_color=(176, 196, 222),
+        cell_bg_color=(245, 250, 255)
+    )
+
+    print("  Rendering table with text wrapping...")
+
+    # Layout and render
+    layouter = DocumentLayouter(page)
+    layouter.layout_table(table, style=table_style)
+
+    # Get rendered image
+    _ = page.draw
+    img = page._canvas
+
+    # Save output
+    output_path = Path(__file__).parent.parent / 'docs' / 'images' / 'example_11b_simple_wrapping.png'
+    output_path.parent.mkdir(parents=True, exist_ok=True)
+    img.save(str(output_path))
+
+    print(f"\n✓ Example completed!")
+    print(f"  Output saved to: {output_path}")
+    print(f"  Image size: {img.width}x{img.height} pixels")
+    print(f"\n  The table demonstrates:")
+    print(f"    • Automatic line wrapping in cells")
+    print(f"    • Proper word spacing and alignment")
+    print(f"    • Hyphenation for very long words")
+    print(f"    • Multi-line text within cell boundaries")
+
+
+if __name__ == '__main__':
+    main()