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-rw-r--r--fop-core/src/main/codegen/fo/foproperties.xml10
-rw-r--r--fop-core/src/main/java/org/apache/fop/area/AreaTreeParser.java5
-rw-r--r--fop-core/src/main/java/org/apache/fop/area/Trait.java8
-rw-r--r--fop-core/src/main/java/org/apache/fop/fo/flow/Block.java6
-rw-r--r--fop-core/src/main/java/org/apache/fop/layoutmgr/BlockLayoutManager.java1
-rw-r--r--fop-core/src/main/java/org/apache/fop/layoutmgr/TraitSetter.java16
-rw-r--r--fop-core/src/main/java/org/apache/fop/render/AbstractRenderer.java4
-rw-r--r--fop-core/src/main/java/org/apache/fop/traits/Visibility.java70
-rw-r--r--fop/test/layoutengine/standard-testcases/block_hidden.xml51
9 files changed, 165 insertions, 6 deletions
diff --git a/fop-core/src/main/codegen/fo/foproperties.xml b/fop-core/src/main/codegen/fo/foproperties.xml
index f4a19eb27..4bd424af8 100644
--- a/fop-core/src/main/codegen/fo/foproperties.xml
+++ b/fop-core/src/main/codegen/fo/foproperties.xml
@@ -2055,9 +2055,15 @@
</property>
<property>
<name>visibility</name>
- <inherited>false</inherited>
- <datatype>ToBeImplemented</datatype>
+ <inherited>true</inherited>
<default>visible</default>
+ <datatype>Enum</datatype>
+ <enumeration>
+ <value const="VISIBLE">visible</value>
+ <value const="HIDDEN">hidden</value>
+ <value const="COLLAPSE">collapse</value>
+ <value const="INHERIT">inherit</value>
+ </enumeration>
</property>
<property>
<name>z-index</name>
diff --git a/fop-core/src/main/java/org/apache/fop/area/AreaTreeParser.java b/fop-core/src/main/java/org/apache/fop/area/AreaTreeParser.java
index 7e32b8d8c..41563a85e 100644
--- a/fop-core/src/main/java/org/apache/fop/area/AreaTreeParser.java
+++ b/fop-core/src/main/java/org/apache/fop/area/AreaTreeParser.java
@@ -80,6 +80,7 @@ import org.apache.fop.fo.extensions.ExtensionAttachment;
import org.apache.fop.fonts.Font;
import org.apache.fop.fonts.FontInfo;
import org.apache.fop.traits.BorderProps;
+import org.apache.fop.traits.Visibility;
import org.apache.fop.util.ColorUtil;
import org.apache.fop.util.ContentHandlerFactory;
import org.apache.fop.util.ContentHandlerFactoryRegistry;
@@ -663,6 +664,10 @@ public class AreaTreeParser {
if (attributes.getValue("top-offset") != null) {
block.setYOffset(XMLUtil.getAttributeAsInt(attributes, "top-offset", 0));
}
+ if (attributes.getValue("visibility") != null) {
+ block.addTrait(Trait.VISIBILITY, Visibility.valueOf(attributes.getValue("visibility")));
+ }
+
transferForeignObjects(attributes, block);
setAreaAttributes(attributes, block);
setTraits(attributes, block, SUBSET_COMMON);
diff --git a/fop-core/src/main/java/org/apache/fop/area/Trait.java b/fop-core/src/main/java/org/apache/fop/area/Trait.java
index cfde0c83b..445beedd3 100644
--- a/fop-core/src/main/java/org/apache/fop/area/Trait.java
+++ b/fop-core/src/main/java/org/apache/fop/area/Trait.java
@@ -27,6 +27,7 @@ import org.apache.xmlgraphics.image.loader.ImageInfo;
import org.apache.fop.fonts.FontTriplet;
import org.apache.fop.traits.BorderProps;
import org.apache.fop.traits.Direction;
+import org.apache.fop.traits.Visibility;
import org.apache.fop.traits.WritingMode;
import org.apache.fop.util.ColorUtil;
@@ -172,8 +173,11 @@ public final class Trait implements Serializable {
/** For optional content groups. */
public static final Integer LAYER = 43;
+ /** Used to disable the rendering of a Block http://www.w3.org/TR/xsl/#rend-vis */
+ public static final Integer VISIBILITY = 44;
+
/** Maximum value used by trait keys */
- public static final int MAX_TRAIT_KEY = 43;
+ public static final int MAX_TRAIT_KEY = 44;
private static final TraitInfo[] TRAIT_INFO = new TraitInfo[MAX_TRAIT_KEY + 1];
@@ -246,7 +250,7 @@ public final class Trait implements Serializable {
put(SHIFT_DIRECTION,
new TraitInfo("shift-direction", Direction.class));
put(LAYER, new TraitInfo("layer", String.class));
-
+ put(VISIBILITY, new TraitInfo("visibility", Visibility.class));
}
/**
diff --git a/fop-core/src/main/java/org/apache/fop/fo/flow/Block.java b/fop-core/src/main/java/org/apache/fop/fo/flow/Block.java
index aa55b24a3..c59fb9064 100644
--- a/fop-core/src/main/java/org/apache/fop/fo/flow/Block.java
+++ b/fop-core/src/main/java/org/apache/fop/fo/flow/Block.java
@@ -85,12 +85,12 @@ public class Block extends FObjMixed implements BreakPropertySet,
private Numeric widows;
private int wrapOption;
private int disableColumnBalancing;
+ private int visibility;
// Unused but valid items, commented out for performance:
// private CommonAccessibility commonAccessibility;
// private CommonAural commonAural;
// private Length textDepth;
// private Length textAltitude;
- // private int visibility;
// End of FO trait values
/**
@@ -137,6 +137,7 @@ public class Block extends FObjMixed implements BreakPropertySet,
widows = pList.get(PR_WIDOWS).getNumeric();
wrapOption = pList.get(PR_WRAP_OPTION).getEnum();
disableColumnBalancing = pList.get(PR_X_DISABLE_COLUMN_BALANCING).getEnum();
+ visibility = pList.get(PR_VISIBILITY).getEnum();
}
/** {@inheritDoc} */
@@ -358,4 +359,7 @@ public class Block extends FObjMixed implements BreakPropertySet,
return FO_BLOCK;
}
+ public int getVisibility() {
+ return visibility;
+ }
}
diff --git a/fop-core/src/main/java/org/apache/fop/layoutmgr/BlockLayoutManager.java b/fop-core/src/main/java/org/apache/fop/layoutmgr/BlockLayoutManager.java
index d3bdc7b85..722a011ae 100644
--- a/fop-core/src/main/java/org/apache/fop/layoutmgr/BlockLayoutManager.java
+++ b/fop-core/src/main/java/org/apache/fop/layoutmgr/BlockLayoutManager.java
@@ -331,6 +331,7 @@ public class BlockLayoutManager extends SpacedBorderedPaddedBlockLayoutManager
TraitSetter.addSpaceBeforeAfter(curBlockArea, layoutContext.getSpaceAdjust(),
effSpaceBefore, effSpaceAfter);
+ TraitSetter.setVisibility(curBlockArea, getBlockFO().getVisibility());
flush();
curBlockArea = null;
diff --git a/fop-core/src/main/java/org/apache/fop/layoutmgr/TraitSetter.java b/fop-core/src/main/java/org/apache/fop/layoutmgr/TraitSetter.java
index 16187eac6..5addad5ab 100644
--- a/fop-core/src/main/java/org/apache/fop/layoutmgr/TraitSetter.java
+++ b/fop-core/src/main/java/org/apache/fop/layoutmgr/TraitSetter.java
@@ -36,6 +36,7 @@ import org.apache.fop.fo.properties.CommonTextDecoration;
import org.apache.fop.fonts.Font;
import org.apache.fop.traits.BorderProps;
import org.apache.fop.traits.MinOptMax;
+import org.apache.fop.traits.Visibility;
/**
* This is a helper class used for setting common traits on areas.
@@ -599,6 +600,21 @@ public final class TraitSetter {
}
}
+ public static void setVisibility(Area area, int visibility) {
+ Visibility v;
+ switch (visibility) {
+ case Constants.EN_COLLAPSE:
+ v = Visibility.COLLAPSE;
+ break;
+ case Constants.EN_HIDDEN:
+ v = Visibility.HIDDEN;
+ break;
+ default:
+ v = Visibility.VISIBLE;
+ }
+ area.addTrait(Trait.VISIBILITY, v);
+ }
+
/**
* Sets the structure tree element associated to the given area.
*
diff --git a/fop-core/src/main/java/org/apache/fop/render/AbstractRenderer.java b/fop-core/src/main/java/org/apache/fop/render/AbstractRenderer.java
index 5b5ed0f3f..d57d3ce06 100644
--- a/fop-core/src/main/java/org/apache/fop/render/AbstractRenderer.java
+++ b/fop-core/src/main/java/org/apache/fop/render/AbstractRenderer.java
@@ -71,6 +71,7 @@ import org.apache.fop.area.inline.TextArea;
import org.apache.fop.area.inline.WordArea;
import org.apache.fop.fo.Constants;
import org.apache.fop.fonts.FontInfo;
+import org.apache.fop.traits.Visibility;
/**
* Abstract base class for all renderers. The Abstract renderer does all the
@@ -609,7 +610,8 @@ public abstract class AbstractRenderer
handleBlockTraits(block);
- if (children != null) {
+ if (children != null && block.getTrait(Trait.VISIBILITY) != Visibility.HIDDEN)
+ {
renderBlocks(block, children);
}
diff --git a/fop-core/src/main/java/org/apache/fop/traits/Visibility.java b/fop-core/src/main/java/org/apache/fop/traits/Visibility.java
new file mode 100644
index 000000000..10adc7ba4
--- /dev/null
+++ b/fop-core/src/main/java/org/apache/fop/traits/Visibility.java
@@ -0,0 +1,70 @@
+/*
+ * 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.
+ */
+
+package org.apache.fop.traits;
+
+import java.io.ObjectStreamException;
+
+import org.apache.fop.fo.Constants;
+
+
+public final class Visibility extends TraitEnum {
+ private static final long serialVersionUID = 1L;
+
+ private static final String[] VISIBILITY_NAMES = new String[]
+ {"visible", "hidden", "collapse"};
+
+ private static final int[] VISIBILITY_VALUES = new int[]
+ {Constants.EN_VISIBLE, Constants.EN_HIDDEN, Constants.EN_COLLAPSE};
+
+ /** border-style: none */
+ public static final Visibility VISIBLE = new Visibility(0);
+ /** border-style: hidden */
+ public static final Visibility HIDDEN = new Visibility(1);
+ /** border-style: dotted */
+ public static final Visibility COLLAPSE = new Visibility(2);
+
+ private static final Visibility[] VISIBILITIES = new Visibility[] {
+ VISIBLE, HIDDEN, COLLAPSE};
+
+
+ private Visibility(int index) {
+ super(VISIBILITY_NAMES[index], VISIBILITY_VALUES[index]);
+ }
+
+ /**
+ * Returns the enumeration/singleton object based on its name.
+ * @param name the name of the enumeration value
+ * @return the enumeration object
+ */
+ public static Visibility valueOf(String name) {
+ for (Visibility v : VISIBILITIES) {
+ if (v.getName().equalsIgnoreCase(name)) {
+ return v;
+ }
+ }
+ throw new IllegalArgumentException("Illegal visibility value: " + name);
+ }
+
+ private Object readResolve() throws ObjectStreamException {
+ return valueOf(getName());
+ }
+
+ public String toString() {
+ return getName();
+ }
+}
diff --git a/fop/test/layoutengine/standard-testcases/block_hidden.xml b/fop/test/layoutengine/standard-testcases/block_hidden.xml
new file mode 100644
index 000000000..434e74d56
--- /dev/null
+++ b/fop/test/layoutengine/standard-testcases/block_hidden.xml
@@ -0,0 +1,51 @@
+<?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: block_basic_1.xml 627324 2008-02-13 09:35:01Z maxberger $ -->
+<testcase>
+ <info>
+ <p>
+ This test checks the visibility trait.
+ </p>
+ </info>
+ <fo>
+ <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format" xmlns:svg="http://www.w3.org/2000/svg">
+ <fo:layout-master-set>
+ <fo:simple-page-master master-name="normal" page-width="5in" page-height="5in">
+ <fo:region-body/>
+ </fo:simple-page-master>
+ </fo:layout-master-set>
+ <fo:page-sequence master-reference="normal" white-space-collapse="true">
+ <fo:flow flow-name="xsl-region-body">
+ <fo:block>test1</fo:block>
+ <fo:block visibility="hidden">hidden</fo:block>
+ </fo:flow>
+ </fo:page-sequence>
+ </fo:root>
+ </fo>
+ <checks>
+ <!-- Check for first paragraph -->
+ <eval expected="360000" xpath="/areaTree/pageSequence/pageViewport/page[1]/regionViewport/regionBody/mainReference/span/flow/block[1]/@ipd"/>
+ <eval expected="14400" xpath="/areaTree/pageSequence/pageViewport/page[1]/regionViewport/regionBody/mainReference/span/flow/block[1]/@bpd"/>
+ <eval expected="visible" xpath="/areaTree/pageSequence/pageViewport/page[1]/regionViewport/regionBody/mainReference/span/flow/block[1]/@visibility"/>
+ <!-- Check for second paragraph -->
+ <eval expected="360000" xpath="/areaTree/pageSequence/pageViewport/page[1]/regionViewport/regionBody/mainReference/span/flow/block[2]/@ipd"/>
+ <eval expected="14400" xpath="/areaTree/pageSequence/pageViewport/page[1]/regionViewport/regionBody/mainReference/span/flow/block[2]/@bpd"/>
+ <eval expected="hidden" xpath="/areaTree/pageSequence/pageViewport/page[1]/regionViewport/regionBody/mainReference/span/flow/block[2]/@visibility"/>
+ <eval expected="0" xpath="count(/areaTree/pageSequence/pageViewport/page[1]/regionViewport/regionBody/mainReference/span/flow/block[2]/*)"/>
+ </checks>
+</testcase>
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-22 03:37:45 +0000