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/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed 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.fo;
import org.xml.sax.Locator;
/**
* Base class for representation of mixed content formatting objects
* and their processing
*/
public class FObjMixed extends FObj {
/** TextInfo for this object */
protected TextInfo textInfo = null;
/**
* @param parent FONode that is the parent of this object
*/
public FObjMixed(FONode parent) {
super(parent);
}
/**
* @param data array of characters containing text to be added
* @param start starting array element to add
* @param length number of characters to add
* @param locator location in fo source file.
*/
protected void addCharacters(char data[], int start, int length,
Locator locator) {
if (textInfo == null) {
// Really only need one of these, but need to get fontInfo
// stored in propMgr for later use.
propMgr.setFontInfo(getFOInputHandler().getFontInfo());
textInfo = propMgr.getTextLayoutProps(getFOInputHandler().getFontInfo());
}
FOText ft = new FOText(data, start, length, textInfo, this);
ft.setLocation(locator);
ft.setName("text");
/* characters() processing empty for FOTreeHandler, not empty for RTF & MIFHandlers */
getFOInputHandler().characters(ft.ca, ft.startIndex, ft.endIndex);
addChild(ft);
}
private void setup() {
if (this.propertyList != null) {
setupID();
}
}
/**
* @return iterator for this object
*/
public CharIterator charIterator() {
return new RecursiveCharIterator(this);
}
/**
* This is a hook for an FOTreeVisitor subclass to be able to access
* this object.
* @param fotv the FOTreeVisitor subclass that can access this object.
* @see org.apache.fop.fo.FOTreeVisitor
*/
public void acceptVisitor(FOTreeVisitor fotv) {
fotv.serveFObjMixed(this);
}
}
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