Bugfix: Added missing conditionality notification for table-cell content.

Extracted functionality to find a previous break into a helper method in ElementListUtils.
Fixed misguided german->english translation on parameter names (last != previous).



git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@349909 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/fop/layoutmgr/ElementListUtils.java

@@ -146,4 +146,23 @@ public class ElementListUtils {
         return last.isForcedBreak();
     }
     
+    /**
+     * Determines the position of the previous break before the start index on an
+     * element list.
+     * @param elems the element list
+     * @param startIndex the start index
+     * @return the position of the previous break, or -1 if there was no previous break
+     */
+    public static int determinePreviousBreak(List elems, int startIndex) {
+        int prevBreak = startIndex - 1;
+        while (prevBreak >= 0) {
+            KnuthElement el = (KnuthElement)elems.get(prevBreak);
+            if (el.isPenalty() && el.getP() < KnuthElement.INFINITE) {
+                break;
+            }
+            prevBreak--;
+        }
+        return prevBreak;
+    }
+    
 }

src/java/org/apache/fop/layoutmgr/SpaceResolver.java

@@ -692,14 +692,14 @@ public class SpaceResolver {
      * @param effectiveList the effective element list
      * @param startElementIndex index of the first element in the part to be processed
      * @param endElementIndex index of the last element in the part to be processed
-     * @param lastBreak index of the the break possibility just before this part (used to
+     * @param prevBreak index of the the break possibility just before this part (used to
      *                  identify a break condition, lastBreak <= 0 represents a no-break condition)
      */
     public static void performConditionalsNotification(List effectiveList, 
-            int startElementIndex, int endElementIndex, int lastBreak) {
+            int startElementIndex, int endElementIndex, int prevBreak) {
         KnuthElement el = null;
-        if (lastBreak > 0) {
-            el = (KnuthElement)effectiveList.get(lastBreak);
+        if (prevBreak > 0) {
+            el = (KnuthElement)effectiveList.get(prevBreak);
         }
         SpaceResolver.SpaceHandlingBreakPosition beforeBreak = null;
         SpaceResolver.SpaceHandlingBreakPosition afterBreak = null;

src/java/org/apache/fop/layoutmgr/list/ListItemLayoutManager.java

@@ -461,30 +461,15 @@ public class ListItemLayoutManager extends BlockStackingLayoutManager
         int bodyFirstIndex = ((ListItemPosition) positionList.getFirst()).getBodyFirstIndex();
         int bodyLastIndex = ((ListItemPosition) positionList.getLast()).getBodyLastIndex();
 
-        int lastBreak;
-        //Determine last break if any
-        lastBreak = labelFirstIndex - 1;
-        while (lastBreak >= 0) {
-            KnuthElement el = (KnuthElement)labelList.get(lastBreak);
-            if (el.isPenalty() && el.getP() < KnuthElement.INFINITE) {
-                break;
-            }
-            lastBreak--;
-        }
+        //Determine previous break if any
+        int previousBreak = ElementListUtils.determinePreviousBreak(labelList, labelFirstIndex);
         SpaceResolver.performConditionalsNotification(labelList, 
-                labelFirstIndex, labelLastIndex, lastBreak);
-
-        //Determine last break if any
-        lastBreak = bodyFirstIndex - 1;
-        while (lastBreak >= 0) {
-            KnuthElement el = (KnuthElement)bodyList.get(lastBreak);
-            if (el.isPenalty() && el.getP() < KnuthElement.INFINITE) {
-                break;
-            }
-            lastBreak--;
-        }
+                labelFirstIndex, labelLastIndex, previousBreak);
+
+        //Determine previous break if any
+        previousBreak = ElementListUtils.determinePreviousBreak(labelList, labelFirstIndex);
         SpaceResolver.performConditionalsNotification(bodyList, 
-                bodyFirstIndex, bodyLastIndex, lastBreak);
+                bodyFirstIndex, bodyLastIndex, previousBreak);
         
         // add label areas
         if (labelFirstIndex <= labelLastIndex) {

src/java/org/apache/fop/layoutmgr/table/TableContentLayoutManager.java

@@ -49,6 +49,7 @@ import org.apache.fop.layoutmgr.ListElement;
 import org.apache.fop.layoutmgr.MinOptMaxUtil;
 import org.apache.fop.layoutmgr.Position;
 import org.apache.fop.layoutmgr.PositionIterator;
+import org.apache.fop.layoutmgr.SpaceResolver;
 import org.apache.fop.layoutmgr.TraitSetter;
 import org.apache.fop.layoutmgr.SpaceResolver.SpaceHandlingBreakPosition;
 import org.apache.fop.traits.MinOptMax;
@@ -948,6 +949,9 @@ public class TableContentLayoutManager implements PercentBaseContext {
             cellLM.setContentHeight(contentHeight);
             cellLM.setRowHeight(effCellHeight);
             //cellLM.setRowHeight(row.getHeight().opt);
+            int prevBreak = ElementListUtils.determinePreviousBreak(pgu.getElements(), startPos);
+            SpaceResolver.performConditionalsNotification(pgu.getElements(), 
+                    startPos, endPos, prevBreak);
             cellLM.addAreas(new KnuthPossPosIter(pgu.getElements(), 
                     startPos, endPos + 1), layoutContext);
         }

status.xml

@@ -27,6 +27,19 @@
 
   <changes>
     <release version="FOP Trunk">
+      <action context="Code" dev="JM" type="fix">
+        Bugfix: Space resolution was incomplete for content in table-cells. Conditional elements
+        didn't get removed.
+      </action>
+      <action contexn="Code" dev="JM" type="fix">
+        The validation check for non-zero borders and padding on a region-* is now turned off
+        when relaxed validation is active to improve compatibility with FO documents written 
+        for other FO implementations.
+      </action>
+      <action context="Code" dev="JM" type="fix">
+        Bugfix for "/ by zero" ArithmeticExceptions when an URL to a non-existing image is used 
+        and content-width and/or content-height is used.
+      </action>
       <action context="Code" dev="JM" type="fix">
         Bugfix for a multi-threading problem:
         propertyListTable initialization moved from the constructor to a static block in FONode.