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/*
* 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.
*/
/* $Id$ */
package org.apache.fop.traits;
/**
* This class provides a reusable implementation of the WritingModeTraitsSetter
* interface.
*/
public class WritingModeTraits implements WritingModeTraitsSetter {
private Direction inlineProgressionDirection;
private Direction blockProgressionDirection;
private Direction columnProgressionDirection;
private Direction rowProgressionDirection;
private Direction shiftDirection;
private WritingMode writingMode;
/**
* Default writing mode traits constructor.
*/
public WritingModeTraits() {
this (WritingMode.LR_TB);
}
/**
* Construct writing mode traits using the specified writing mode.
* @param writingMode a writing mode traits object
*/
public WritingModeTraits(WritingMode writingMode) {
assignWritingModeTraits(writingMode);
}
/**
* @return the "inline-progression-direction" trait.
*/
public Direction getInlineProgressionDirection() {
return inlineProgressionDirection;
}
/**
* @param direction the "inline-progression-direction" trait.
*/
public void setInlineProgressionDirection(Direction direction) {
this.inlineProgressionDirection = direction;
}
/**
* @return the "block-progression-direction" trait.
*/
public Direction getBlockProgressionDirection() {
return blockProgressionDirection;
}
/**
* @param direction the "block-progression-direction" trait.
*/
public void setBlockProgressionDirection(Direction direction) {
this.blockProgressionDirection = direction;
}
/**
* @return the "column-progression-direction" trait.
*/
public Direction getColumnProgressionDirection() {
return columnProgressionDirection;
}
/**
* @param direction the "column-progression-direction" trait.
*/
public void setColumnProgressionDirection(Direction direction) {
this.columnProgressionDirection = direction;
}
/**
* @return the "row-progression-direction" trait.
*/
public Direction getRowProgressionDirection() {
return rowProgressionDirection;
}
/**
* @param direction the "row-progression-direction" trait.
*/
public void setRowProgressionDirection(Direction direction) {
this.rowProgressionDirection = direction;
}
/**
* @return the "shift-direction" trait.
*/
public Direction getShiftDirection() {
return shiftDirection;
}
/**
* @param direction the "shift-direction" trait.
*/
public void setShiftDirection(Direction direction) {
this.shiftDirection = direction;
}
/**
* @return the "writing-mode" trait.
*/
public WritingMode getWritingMode() {
return writingMode;
}
/**
* @param writingMode the "writing-mode" trait.
*/
public void setWritingMode(WritingMode writingMode) {
this.writingMode = writingMode;
}
/**
* @param writingMode the "writing-mode" trait.
*/
public void assignWritingModeTraits(WritingMode writingMode) {
writingMode.assignWritingModeTraits(this);
}
/**
* Helper function to find the writing mode traits getter (if any) that applies for
* a given FO node.
* @param fn the node to start searching from
* @return the applicable writing mode traits getter, or null if none applies
*/
public static WritingModeTraitsGetter
getWritingModeTraitsGetter(org.apache.fop.fo.FONode fn) {
for (org.apache.fop.fo.FONode n = fn; n != null; n = n.getParent()) {
if (n instanceof WritingModeTraitsGetter) {
return (WritingModeTraitsGetter) n;
}
}
return null;
}
}
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