Initial support for fo:blockcontainer.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197990 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/fop/render/rtf/RTFHandler.java

@@ -32,6 +32,7 @@ import org.apache.fop.fo.FOEventHandler;
 import org.apache.fop.fo.FObj;
 import org.apache.fop.fo.flow.BasicLink;
 import org.apache.fop.fo.flow.Block;
+import org.apache.fop.fo.flow.BlockContainer;
 import org.apache.fop.fo.flow.Character;
 import org.apache.fop.fo.flow.ExternalGraphic;
 import org.apache.fop.fo.flow.Footnote;
@@ -398,6 +399,65 @@ public class RTFHandler extends FOEventHandler {
         }
     }
 
+    /**
+     * @see org.apache.fop.fo.FOEventHandler#startBlockContainer(BlockContainer)
+     */
+    public void startBlockContainer(BlockContainer blc) {
+        if (bDefer) {
+            return;
+        }
+       
+        try {
+            RtfAttributes rtfAttr
+                = TextAttributesConverter.convertBlockContainerAttributes(blc);
+                    
+            IRtfTextrunContainer container 
+                = (IRtfTextrunContainer)builderContext.getContainer(
+                    IRtfTextrunContainer.class,
+                    true, this);
+
+            RtfTextrun textrun = container.getTextrun();
+            
+            textrun.addParagraphBreak();
+            textrun.pushAttributes(rtfAttr);
+        } catch (IOException ioe) {
+            // TODO could we throw Exception in all FOEventHandler events?
+            log.error("startBlock: " + ioe.getMessage());
+            throw new RuntimeException("IOException: " + ioe);
+        } catch (Exception e) {
+            log.error("startBlock: " + e.getMessage());
+            throw new RuntimeException("Exception: " + e);
+        }
+    }
+
+    /**
+     * @see org.apache.fop.fo.FOEventHandler#endBlockContainer(BlockContainer)
+     */
+    public void endBlockContainer(BlockContainer bl) {
+        if(bDefer) {
+            return;
+        }
+        
+        try {
+            IRtfTextrunContainer container 
+                = (IRtfTextrunContainer)builderContext.getContainer(
+                    IRtfTextrunContainer.class,
+                    true, this);
+                    
+            RtfTextrun textrun = container.getTextrun();
+            
+            textrun.addParagraphBreak();
+            textrun.popAttributes();
+            
+        } catch (IOException ioe) {
+            log.error("startBlock:" + ioe.getMessage());
+            throw new RuntimeException(ioe.getMessage());
+        } catch (Exception e) {
+            log.error("startBlock:" + e.getMessage());
+            throw new RuntimeException(e.getMessage());
+        }
+    }
+
     /**
      * @see org.apache.fop.fo.FOEventHandler#startTable(Table)
      */

src/java/org/apache/fop/render/rtf/TextAttributesConverter.java

@@ -74,6 +74,28 @@ class TextAttributesConverter {
         return attrib;
     }
 
+    /**
+     * Converts all known text FO properties to RtfAttributes
+     * @param props list of FO properites, which are to be converted
+     */
+    public static RtfAttributes convertBlockContainerAttributes(FObj fobj)
+    throws FOPException {
+        RtfAttributes attrib = new RtfAttributes();
+        attrBlockFontFamily(fobj, attrib);
+        attrBlockFontWeight(fobj, attrib);
+        attrBlockFontSize(fobj, attrib);
+        attrBlockFontColor(fobj, attrib);
+        attrBlockFontItalic(fobj, attrib);
+        attrBlockFontUnderline(fobj, attrib);
+        attrBlockBackgroundColor(fobj, attrib);
+        attrBlockSpaceBeforeAfter(fobj, attrib);
+        attrBlockMargins(fobj, attrib);
+        attrBlockTextAlign(fobj, attrib);
+        //attrBlockDimension(fobj, attrib);
+
+        return attrib;
+    }
+
     /**
      * Converts all character related FO properties to RtfAttributes.
      * @param fobj FObj whose properties are to be converted