Bugzilla #45715: Restored support for break-before on fo:table.

Patch by Luis Bernardo


git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1380726 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -39,6 +39,7 @@ import org.apache.fop.fo.properties.KeepProperty;
 import org.apache.fop.layoutmgr.BlockLevelEventProducer;
 import org.apache.fop.layoutmgr.BlockStackingLayoutManager;
 import org.apache.fop.layoutmgr.BreakElement;
+import org.apache.fop.layoutmgr.BreakOpportunity;
 import org.apache.fop.layoutmgr.ConditionalElementListener;
 import org.apache.fop.layoutmgr.KnuthElement;
 import org.apache.fop.layoutmgr.KnuthGlue;
@@ -62,7 +63,7 @@ import org.apache.fop.util.BreakUtil;
  * the render background.
  */
 public class TableLayoutManager extends BlockStackingLayoutManager
-                implements ConditionalElementListener {
+                implements ConditionalElementListener, BreakOpportunity {
 
     /**
      * logging instance

status.xml

@@ -62,6 +62,9 @@
       documents. Example: the fix of marks layering will be such a case when it's done.
     -->
     <release version="FOP Trunk" date="TBD">
+      <action context="Layout" dev="VH" type="fix" fixes-bug="45715" due-to="Luis Bernardo">
+        Restored support for break-before on fo:table.
+      </action>
       <action context="Layout" dev="VH" type="fix" fixes-bug="53827">
         When an fo:block has a non-zero value for its text-indent property and is broken over two 
         pages of different widths, then the first line on the second page is missing one word and 

test/layoutengine/standard-testcases/table_break-before.xml

@@ -0,0 +1,75 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<!-- $Id$ -->
+<testcase>
+  <info>
+    <p>
+      This test checks that break-before works on fo:table.
+    </p>
+  </info>
+  <fo>
+    <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
+      <fo:layout-master-set>
+        <fo:simple-page-master master-name="page" page-width="200pt" page-height="100pt" 
+          margin="10pt">
+          <fo:region-body/>
+        </fo:simple-page-master>
+      </fo:layout-master-set>
+      <!-- Table as first child of parent element -->
+      <fo:page-sequence master-reference="page">
+        <fo:flow flow-name="xsl-region-body">
+          <fo:block>Page 1</fo:block>
+          <fo:block>
+            <fo:table break-before="page" width="100%" table-layout="fixed">
+              <fo:table-body>
+                <fo:table-row>
+                  <fo:table-cell>
+                    <fo:block>Page 2</fo:block>
+                  </fo:table-cell>
+                </fo:table-row>
+              </fo:table-body>
+            </fo:table>
+          </fo:block>
+        </fo:flow>
+      </fo:page-sequence>
+      <!-- Table not as first child of parent element -->
+      <fo:page-sequence master-reference="page">
+        <fo:flow flow-name="xsl-region-body">
+          <fo:block>Page 3</fo:block>
+          <fo:table break-before="page" width="100%" table-layout="fixed">
+            <fo:table-body>
+              <fo:table-row>
+                <fo:table-cell>
+                  <fo:block>Page 4</fo:block>
+                </fo:table-cell>
+              </fo:table-row>
+            </fo:table-body>
+          </fo:table>
+        </fo:flow>
+      </fo:page-sequence>
+    </fo:root>
+  </fo>
+  <checks>
+    <eval expected="2" xpath="count(//pageSequence[1]/pageViewport)"/>
+    <eval expected="1" xpath="//lineArea[starts-with(., 'Page 1')]/ancestor::pageViewport/@nr" />
+    <eval expected="2" xpath="//lineArea[starts-with(., 'Page 2')]/ancestor::pageViewport/@nr" />
+    <eval expected="2" xpath="count(//pageSequence[2]/pageViewport)"/>
+    <eval expected="3" xpath="//lineArea[starts-with(., 'Page 3')]/ancestor::pageViewport/@nr" />
+    <eval expected="4" xpath="//lineArea[starts-with(., 'Page 4')]/ancestor::pageViewport/@nr" />
+  </checks>
+</testcase>