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/*
* Copyright 1999-2005 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.area.inline;
/**
* A text inline area.
*/
public class TextArea extends AbstractTextArea {
/**
* Create a text inline area
*/
public TextArea() {
}
/**
* Constructor with extra parameters:
* create a TextAdjustingInfo object
* @param stretch the available stretch of the text
* @param shrink the available shrink of the text
* @param adj the current total adjustment
*/
public TextArea(int stretch, int shrink, int adj) {
super(stretch, shrink, adj);
}
/**
* Remove the old text
*/
public void removeText() {
inlines.clear();
}
/**
* Create and add a WordArea child to this TextArea.
*
* @param word the word string
* @param offset the offset for the next area
*/
public void addWord(String word, int offset) {
addWord(word, offset, null);
}
/**
* Create and add a WordArea child to this TextArea.
*
* @param word the word string
* @param offset the offset for the next area
*/
public void addWord(String word, int offset, int[] letterAdjust) {
WordArea wordArea = new WordArea(word, offset, letterAdjust);
addChildArea(wordArea);
wordArea.setParentArea(this);
}
/**
* Create and add a SpaceArea child to this TextArea
*
* @param space the space character
* @param offset the offset for the next area
* @param adjustable is this space adjustable?
*/
public void addSpace(char space, int offset, boolean adjustable) {
SpaceArea spaceArea = new SpaceArea(space, offset, adjustable);
addChildArea(spaceArea);
spaceArea.setParentArea(this);
}
/**
* Get the whole text string.
* Renderers whose space adjustment handling is not affected
* by multi-byte characters can use this method to render the
* whole TextArea at once; the other renderers (for example
* PDFRenderer) have to implement renderWord(WordArea) and
* renderSpace(SpaceArea) in order to correctly place each
* text fragment.
*
* @return the text string
*/
public String getText() {
StringBuffer text = new StringBuffer();
InlineArea child;
// assemble the text
for (int i = 0; i < inlines.size(); i ++) {
child = (InlineArea) inlines.get(i);
if (child instanceof WordArea) {
text.append(((WordArea) child).getWord());
} else {
text.append(((SpaceArea) child).getSpace());
}
}
return text.toString();
}
/**
* set the ipd and notify the parent area about the variation;
* this happens when a page-number or a page-number-citation
* is resolved to its actual value
* @param newIPD the new ipd of the area
*/
public void updateIPD(int newIPD) {
// remember the old ipd
int oldIPD = getIPD();
// set the new ipd
setIPD(newIPD);
// check if the line needs to be adjusted because of the ipd variation
if (newIPD != oldIPD) {
notifyIPDVariation(newIPD - oldIPD);
}
}
}
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