import org.apache.fop.layout.Page;
import org.apache.fop.layout.PageMaster;
import org.apache.fop.layout.PageMasterFactory;
-import org.apache.fop.apps.FOPException;
+import org.apache.fop.apps.FOPException;
// Java
import java.util.Hashtable;
import java.util.Vector;
-public class PageSequence extends FObj {
+public class PageSequence extends FObj
+{
- public static class Maker extends FObj.Maker {
- public FObj make(FObj parent, PropertyList propertyList)
- throws FOPException {
- return new PageSequence(parent, propertyList);
- }
+ public static class Maker extends FObj.Maker
+ {
+ public FObj make(FObj parent, PropertyList propertyList)
+ throws FOPException {
+ return new PageSequence(parent, propertyList);
+ }
}
public static FObj.Maker maker() {
- return new PageSequence.Maker();
+ return new PageSequence.Maker();
}
+ static final int EXPLICIT = 0;
+ static final int AUTO = 1;
+ static final int AUTO_EVEN = 2;
+ static final int AUTO_ODD = 3;
+
protected Root root;
protected SequenceSpecification sequenceSpecification;
protected Flow flow;
protected Page currentPage;
protected int currentPageNumber = 0;
+ protected static int runningPageNumberCounter = 0; //keeps count of page number from previous PageSequence
+ protected int pageNumberType; // specifies page numbering type (auto|auto-even|auto-odd|explicit)
+ protected boolean thisIsFirstPage; // used to determine whether to calculate auto, auto-even, auto-odd
protected PageSequence(FObj parent, PropertyList propertyList)
- throws FOPException {
- super(parent, propertyList);
- this.name = "fo:page-sequence";
-
- if (parent.getName().equals("fo:root")) {
- this.root = (Root) parent;
- this.root.addPageSequence(this);
- } else {
- throw
- new FOPException("page-sequence must be child of root, not "
- + parent.getName());
- }
- layoutMasterSet = root.getLayoutMasterSet();
-
- InitialPageNumber ipn = (InitialPageNumber) this.properties.get("initial-page-number");
- int pageStart = ipn.getInteger().intValue();
- this.currentPageNumber =
- (pageStart > 0) ? pageStart - 1 : 0;
+ throws FOPException {
+ super(parent, propertyList);
+ this.name = "fo:page-sequence";
+
+ if ( parent.getName().equals("fo:root") )
+ {
+ this.root = (Root) parent;
+ this.root.addPageSequence(this);
+ }
+ else
+ {
+ throw
+ new FOPException("page-sequence must be child of root, not "
+ + parent.getName());
+ }
+ layoutMasterSet = root.getLayoutMasterSet();
+ thisIsFirstPage=true; // we are now on the first page of the page sequence
+ InitialPageNumber ipn = (InitialPageNumber) this.properties.get("initial-page-number");
+ String ipnValue=ipn.getString();
+
+ if ( ipnValue.equals("auto") )
+ {
+ pageNumberType=AUTO;
+ }
+ else if ( ipnValue.equals("auto-even") )
+ {
+ pageNumberType=AUTO_EVEN;
+ }
+ else if ( ipnValue.equals("auto-odd") )
+ {
+ pageNumberType=AUTO_ODD;
+ }
+ else
+ {
+ pageNumberType=EXPLICIT;
+ try
+ {
+ int pageStart = new Integer(ipnValue).intValue();
+ this.currentPageNumber = (pageStart > 0) ? pageStart - 1 : 0;
+ }
+ catch ( NumberFormatException nfe )
+ {
+ throw new FOPException("\""+ipnValue+"\" is not a valid value for initial-page-number");
+ }
+ }
}
protected Page makePage(AreaTree areaTree) throws FOPException {
- PageMaster pageMaster;
- // layout this page sequence
-
- // while there is still stuff in the flow, ask the
- // sequence-specification for a new page
-
- if (this.sequenceSpecification == null) {
- throw new FOPException("page-sequence is missing an"
- + " sequence-specification");
- }
-
- PageMasterFactory pmf =
- this.sequenceSpecification.getFirstPageMasterFactory();
-
- pageMaster = pmf.getNextPageMaster();
-
- while (pageMaster == null) {
- /* move on to next sequence specifier */
- pmf = pmf.getNext();
- if (pmf == null) {
- throw new FOPException("out of sequence specifiers"
- + " (FOP will eventually allow this)");
- }
- pageMaster = pmf.getNextPageMaster();
- }
- return pageMaster.makePage(areaTree);
+ PageMaster pageMaster;
+ // layout this page sequence
+
+ // while there is still stuff in the flow, ask the
+ // sequence-specification for a new page
+
+ if ( this.sequenceSpecification == null )
+ {
+ throw new FOPException("page-sequence is missing an"
+ + " sequence-specification");
+ }
+
+ PageMasterFactory pmf =
+ this.sequenceSpecification.getFirstPageMasterFactory();
+
+ pageMaster = pmf.getNextPageMaster();
+
+ while ( pageMaster == null )
+ {
+ /* move on to next sequence specifier */
+ pmf = pmf.getNext();
+ if ( pmf == null )
+ {
+ throw new FOPException("out of sequence specifiers"
+ + " (FOP will eventually allow this)");
+ }
+ pageMaster = pmf.getNextPageMaster();
+ }
+ return pageMaster.makePage(areaTree);
}
public void format(AreaTree areaTree) throws FOPException {
- Status status = new Status(Status.OK);
-
- do {
- currentPage = makePage(areaTree);
- currentPage.setNumber(++this.currentPageNumber);
- System.err.print(" [" + currentPageNumber);
- if ((this.staticBefore != null) &&
- (currentPage.getBefore() != null)) {
- AreaContainer beforeArea = currentPage.getBefore();
- this.staticBefore.layout(beforeArea);
- }
- if ((this.staticAfter != null) &&
- (currentPage.getAfter() != null)) {
- AreaContainer afterArea = currentPage.getAfter();
- this.staticAfter.layout(afterArea);
- }
- if ((status.getCode() == Status.FORCE_PAGE_BREAK_EVEN) &&
- ((currentPageNumber % 2) == 1)) {
- } else if ((status.getCode() == Status.FORCE_PAGE_BREAK_ODD) &&
- ((currentPageNumber % 2) == 0)) {
- } else {
- AreaContainer bodyArea = currentPage.getBody();
- status = this.flow.layout(bodyArea);
- }
- System.err.print("]");
- areaTree.addPage(currentPage);
- } while (status.isIncomplete());
- System.err.println();
+ Status status = new Status(Status.OK);
+
+ do
+ {
+ currentPage = makePage(areaTree);
+
+ if ( thisIsFirstPage )
+ {
+ if ( pageNumberType==AUTO )
+ {
+ this.currentPageNumber=this.runningPageNumberCounter;
+ }
+ else if ( pageNumberType==AUTO_ODD )
+ {
+ this.currentPageNumber=this.runningPageNumberCounter;
+ if ( this.currentPageNumber % 2== 1 )
+ {
+ this.currentPageNumber++;
+ }
+ }
+ else if ( pageNumberType==AUTO_EVEN )
+ {
+ this.currentPageNumber=this.runningPageNumberCounter;
+ if ( this.currentPageNumber % 2 == 0 )
+ {
+ this.currentPageNumber++;
+ }
+ }
+ thisIsFirstPage=false;
+ }
+
+ currentPage.setNumber(++this.currentPageNumber);
+ this.runningPageNumberCounter=this.currentPageNumber;
+
+ System.err.print(" [" + currentPageNumber);
+ if ( (this.staticBefore != null) &&
+ (currentPage.getBefore() != null) )
+ {
+ AreaContainer beforeArea = currentPage.getBefore();
+ this.staticBefore.layout(beforeArea);
+ }
+ if ( (this.staticAfter != null) &&
+ (currentPage.getAfter() != null) )
+ {
+ AreaContainer afterArea = currentPage.getAfter();
+ this.staticAfter.layout(afterArea);
+ }
+ if ( (status.getCode() == Status.FORCE_PAGE_BREAK_EVEN) &&
+ ((currentPageNumber % 2) == 1) )
+ {
+ }
+ else if ( (status.getCode() == Status.FORCE_PAGE_BREAK_ODD) &&
+ ((currentPageNumber % 2) == 0) )
+ {
+ }
+ else
+ {
+ AreaContainer bodyArea = currentPage.getBody();
+ status = this.flow.layout(bodyArea);
+ }
+ System.err.print("]");
+ areaTree.addPage(currentPage);
+ } while ( status.isIncomplete() );
+ System.err.println();
}
public void setFlow(Flow flow) {
- this.flow = flow;
+ this.flow = flow;
}
-
+
protected void setSequenceSpecification(SequenceSpecification sequenceSpecification) {
- this.sequenceSpecification = sequenceSpecification;
- sequenceSpecification.setLayoutMasterSet(this.layoutMasterSet);
+ this.sequenceSpecification = sequenceSpecification;
+ sequenceSpecification.setLayoutMasterSet(this.layoutMasterSet);
}
-
+
public void setStaticContent(String name, StaticContent staticContent) {
- if (name.equals("xsl-before")) {
- this.staticBefore = staticContent;
- } else if (name.equals("xsl-after")) {
- this.staticAfter = staticContent;
- } else {
- System.err.println("WARNING: this version of FOP only supports "
- + "static-content in region-before and region-after");
- }
+ if ( name.equals("xsl-before") )
+ {
+ this.staticBefore = staticContent;
+ }
+ else if ( name.equals("xsl-after") )
+ {
+ this.staticAfter = staticContent;
+ }
+ else
+ {
+ System.err.println("WARNING: this version of FOP only supports "
+ + "static-content in region-before and region-after");
+ }
}
}
projects / xmlgraphics-fop.git / commitdiff