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/*
* Created on Aug 6, 2004
*
* To change the template for this generated file go to
* Window - Preferences - Java - Code Generation - Code and Comments
*/
package com.lowagie.text.rtf.headerfooter;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import com.lowagie.text.HeaderFooter;
import com.lowagie.text.Phrase;
import com.lowagie.text.rtf.RtfBasicElement;
import com.lowagie.text.rtf.document.RtfDocument;
/**
* The RtfHeaderFooterGroup holds 0 - 3 RtfHeaderFooters that create a group
* of headers or footers.
*
* @version $Version:$
* @author Mark Hall ([email protected])
*/
public class RtfHeaderFooterGroup extends HeaderFooter implements RtfBasicElement {
/**
* This RtfHeaderFooterGroup contains no RtfHeaderFooter objects
*/
private static final int MODE_NONE = 0;
/**
* This RtfHeaderFooterGroup contains one RtfHeaderFooter object
*/
private static final int MODE_SINGLE = 1;
/**
* This RtfHeaderFooterGroup contains two or three RtfHeaderFooter objects
*/
private static final int MODE_MULTIPLE = 2;
/**
* The current mode of this RtfHeaderFooterGroup. Defaults to MODE_NONE
*/
private int mode = MODE_NONE;
/**
* The current type of this RtfHeaderFooterGroup. Defaults to RtfHeaderFooter.TYPE_HEADER
*/
private int type = RtfHeaderFooter.TYPE_HEADER;
/**
* The RtfHeaderFooter for all pages
*/
private RtfHeaderFooter headerAll = null;
/**
* The RtfHeaderFooter for the first page
*/
private RtfHeaderFooter headerFirst = null;
/**
* The RtfHeaderFooter for the left hand pages
*/
private RtfHeaderFooter headerLeft = null;
/**
* The RtfHeaderFooter for the right hand pages
*/
private RtfHeaderFooter headerRight = null;
/**
* The RtfDocument this RtfHeaderFooterGroup belongs to
*/
private RtfDocument document = null;
/**
* Constructs a RtfHeaderGroup to which you add headers/footers using
* via the setHeaderFooter method.
*
*/
public RtfHeaderFooterGroup() {
super(new Phrase(""), false);
this.mode = MODE_NONE;
}
/**
* Constructs a certain type of RtfHeaderFooterGroup. RtfHeaderFooter.TYPE_HEADER
* and RtfHeaderFooter.TYPE_FOOTER are valid values for type.
*
* @param doc The RtfDocument this RtfHeaderFooter belongs to
* @param type The type of RtfHeaderFooterGroup to create
*/
public RtfHeaderFooterGroup(RtfDocument doc, int type) {
super(new Phrase(""), false);
this.document = doc;
this.type = type;
}
/**
* Constructs a RtfHeaderFooterGroup by copying the content of the original
* RtfHeaderFooterGroup
*
* @param doc The RtfDocument this RtfHeaderFooter belongs to
* @param headerFooter The RtfHeaderFooterGroup to copy
* @param type The type of RtfHeaderFooterGroup to create
*/
public RtfHeaderFooterGroup(RtfDocument doc, RtfHeaderFooterGroup headerFooter, int type) {
super(new Phrase(""), false);
this.document = doc;
this.mode = headerFooter.getMode();
this.type = type;
if(headerFooter.getHeaderAll() != null) {
this.headerAll = new RtfHeaderFooter(this.document, headerFooter.getHeaderAll(), RtfHeaderFooter.DISPLAY_ALL_PAGES);
}
if(headerFooter.getHeaderFirst() != null) {
this.headerFirst = new RtfHeaderFooter(this.document, headerFooter.getHeaderFirst(), RtfHeaderFooter.DISPLAY_FIRST_PAGE);
}
if(headerFooter.getHeaderLeft() != null) {
this.headerLeft = new RtfHeaderFooter(this.document, headerFooter.getHeaderLeft(), RtfHeaderFooter.DISPLAY_LEFT_PAGES);
}
if(headerFooter.getHeaderRight() != null) {
this.headerRight = new RtfHeaderFooter(this.document, headerFooter.getHeaderRight(), RtfHeaderFooter.DISPLAY_RIGHT_PAGES);
}
setType(this.type);
}
/**
* Constructs a RtfHeaderFooterGroup for a certain RtfHeaderFooter.
*
* @param doc The RtfDocument this RtfHeaderFooter belongs to
* @param headerFooter The RtfHeaderFooter to display
* @param type The typ of RtfHeaderFooterGroup to create
*/
public RtfHeaderFooterGroup(RtfDocument doc, RtfHeaderFooter headerFooter, int type) {
super(new Phrase(""), false);
this.document = doc;
this.type = type;
this.mode = MODE_SINGLE;
headerAll = new RtfHeaderFooter(doc, headerFooter, type);
headerAll.setType(this.type);
}
/**
* Constructs a RtfHeaderGroup for a certain HeaderFooter
*
* @param doc The RtfDocument this RtfHeaderFooter belongs to
* @param headerFooter The HeaderFooter to display
* @param type The typ of RtfHeaderFooterGroup to create
*/
public RtfHeaderFooterGroup(RtfDocument doc, HeaderFooter headerFooter, int type) {
super(new Phrase(""), false);
this.document = doc;
this.type = type;
this.mode = MODE_SINGLE;
headerAll = new RtfHeaderFooter(doc, headerFooter, type, RtfHeaderFooter.DISPLAY_ALL_PAGES);
headerAll.setType(this.type);
}
/**
* Sets the RtfDocument this RtfElement belongs to
*
* @param doc The RtfDocument to use
*/
public void setRtfDocument(RtfDocument doc) {
this.document = doc;
if(headerAll != null) {
headerAll.setRtfDocument(this.document);
}
if(headerFirst != null) {
headerFirst.setRtfDocument(this.document);
}
if(headerLeft != null) {
headerLeft.setRtfDocument(this.document);
}
if(headerRight != null) {
headerRight.setRtfDocument(this.document);
}
}
/**
* Write the content of this RtfHeaderFooterGroup.
*
* @return A byte array with the content of this RtfHeaderFooterGroup
*/
public byte[] write() {
ByteArrayOutputStream result = new ByteArrayOutputStream();
try {
if(this.mode == MODE_SINGLE) {
result.write(headerAll.write());
} else if(this.mode == MODE_MULTIPLE) {
if(headerFirst != null) {
result.write(headerFirst.write());
}
if(headerLeft != null) {
result.write(headerLeft.write());
}
if(headerRight != null) {
result.write(headerRight.write());
}
if(headerAll != null) {
result.write(headerAll.write());
}
}
} catch(IOException ioe) {
ioe.printStackTrace();
}
return result.toByteArray();
}
/**
* Set a RtfHeaderFooter to be displayed at a certain position
*
* @param headerFooter The RtfHeaderFooter to display
* @param displayAt The display location to use
*/
public void setHeaderFooter(RtfHeaderFooter headerFooter, int displayAt) {
this.mode = MODE_MULTIPLE;
headerFooter.setRtfDocument(this.document);
headerFooter.setType(this.type);
headerFooter.setDisplayAt(displayAt);
switch(displayAt) {
case RtfHeaderFooter.DISPLAY_ALL_PAGES:
headerAll = headerFooter;
break;
case RtfHeaderFooter.DISPLAY_FIRST_PAGE:
headerFirst = headerFooter;
break;
case RtfHeaderFooter.DISPLAY_LEFT_PAGES:
headerLeft = headerFooter;
break;
case RtfHeaderFooter.DISPLAY_RIGHT_PAGES:
headerRight = headerFooter;
break;
}
}
/**
* Set a HeaderFooter to be displayed at a certain position
*
* @param headerFooter The HeaderFooter to set
* @param displayAt The display location to use
*/
public void setHeaderFooter(HeaderFooter headerFooter, int displayAt) {
this.mode = MODE_MULTIPLE;
switch(displayAt) {
case RtfHeaderFooter.DISPLAY_ALL_PAGES:
headerAll = new RtfHeaderFooter(this.document, headerFooter, this.type, displayAt);
break;
case RtfHeaderFooter.DISPLAY_FIRST_PAGE:
headerFirst = new RtfHeaderFooter(this.document, headerFooter, this.type, displayAt);
break;
case RtfHeaderFooter.DISPLAY_LEFT_PAGES:
headerLeft = new RtfHeaderFooter(this.document, headerFooter, this.type, displayAt);
break;
case RtfHeaderFooter.DISPLAY_RIGHT_PAGES:
headerRight = new RtfHeaderFooter(this.document, headerFooter, this.type, displayAt);
break;
}
}
/**
* Set that this RtfHeaderFooterGroup should have a title page. If only
* a header / footer for all pages exists, then it will be copied to the
* first page aswell.
*/
public void setHasTitlePage() {
if(this.mode == MODE_SINGLE) {
this.mode = MODE_MULTIPLE;
headerFirst = new RtfHeaderFooter(this.document, headerAll, RtfHeaderFooter.DISPLAY_FIRST_PAGE);
headerFirst.setType(this.type);
}
}
/**
* Set that this RtfHeaderFooterGroup should have facing pages. If only
* a header / footer for all pages exists, then it will be copied to the left
* and right pages aswell.
*/
public void setHasFacingPages() {
if(this.mode == MODE_SINGLE) {
this.mode = MODE_MULTIPLE;
headerLeft = new RtfHeaderFooter(this.document, headerAll, RtfHeaderFooter.DISPLAY_LEFT_PAGES);
headerLeft.setType(this.type);
headerRight = new RtfHeaderFooter(this.document, headerAll, RtfHeaderFooter.DISPLAY_RIGHT_PAGES);
headerRight.setType(this.type);
headerAll = null;
}
}
/**
* Get whether this RtfHeaderFooterGroup has a titlepage
*
* @return Whether this RtfHeaderFooterGroup has a titlepage
*/
public boolean hasTitlePage() {
return (headerFirst != null);
}
/**
* Get whether this RtfHeaderFooterGroup has facing pages
*
* @return Whether this RtfHeaderFooterGroup has facing pages
*/
public boolean hasFacingPages() {
return (headerLeft != null || headerRight != null);
}
/**
* Unused
* @param inTable
*/
public void setInTable(boolean inTable) {
}
/**
* Unused
* @param inHeader
*/
public void setInHeader(boolean inHeader) {
}
/**
* Set the type of this RtfHeaderFooterGroup. RtfHeaderFooter.TYPE_HEADER
* or RtfHeaderFooter.TYPE_FOOTER. Also sets the type for all RtfHeaderFooters
* of this RtfHeaderFooterGroup.
*
* @param type The type to use
*/
public void setType(int type) {
this.type = type;
if(headerAll != null) {
headerAll.setType(this.type);
}
if(headerFirst != null) {
headerFirst.setType(this.type);
}
if(headerLeft != null) {
headerLeft.setType(this.type);
}
if(headerRight != null) {
headerRight.setType(this.type);
}
}
/**
* Gets the mode of this RtfHeaderFooterGroup
*
* @return The mode of this RtfHeaderFooterGroup
*/
protected int getMode() {
return this.mode;
}
/**
* Gets the RtfHeaderFooter for all pages
*
* @return The RtfHeaderFooter for all pages
*/
protected RtfHeaderFooter getHeaderAll() {
return headerAll;
}
/**
* Gets the RtfHeaderFooter for the title page
*
* @return The RtfHeaderFooter for the title page
*/
protected RtfHeaderFooter getHeaderFirst() {
return headerFirst;
}
/**
* Gets the RtfHeaderFooter for all left hand pages
*
* @return The RtfHeaderFooter for all left hand pages
*/
protected RtfHeaderFooter getHeaderLeft() {
return headerLeft;
}
/**
* Gets the RtfHeaderFooter for all right hand pages
*
* @return The RtfHeaderFooter for all right hand pages
*/
protected RtfHeaderFooter getHeaderRight() {
return headerRight;
}
}
