Examples of org.apache.fop.layoutmgr.ListElement

org.apache.fop.layoutmgr.ListElement
This class is the base class for all kinds of elements that are added to element lists. There are basically two kinds of list elements: Knuth elements and unresolved elements like spaces, border and padding elements which are converted to Knuth elements prior to the breaking process.

        if (elementList == null) {
            log.debug("<<empty list>>");
            return;
        }
        ListIterator tempIter = elementList.listIterator();
        ListElement temp;
        while (tempIter.hasNext()) {
            temp = (ListElement) tempIter.next();
            if (temp.isBox()) {
                log.debug(tempIter.previousIndex()
                        + ") " + temp);
            } else if (temp.isGlue()) {
                log.debug(tempIter.previousIndex()
                        + ") " + temp);
            } else {
                log.debug(tempIter.previousIndex()
                        + ") " + temp);
            }
            if (temp.getPosition() != null) {
                log.debug("            " + temp.getPosition());
            }
        }
        log.debug(" ");
    }

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            while (iter.hasNext()) {
                KnuthSequence sequence = (KnuthSequence) iter.next();
                // the sequence contains inline Knuth elements
                if (sequence.isInlineSequence()) {
                    // look at the last element 
                    ListElement lastElement = sequence.getLast();
                    if (lastElement == null) {
                        throw new NullPointerException(
                        "Sequence was empty! lastElement is null");
                    }
                    bPrevWasKnuthBox = lastElement.isBox() 
                                        && !((KnuthElement) lastElement).isAuxiliary() 
                                        && ((KnuthElement) lastElement).getW() != 0;
                    
                    // if last paragraph is open, add the new elements to the paragraph
                    // else this is the last paragraph
                    if (lastPar == null) { 
                        lastPar = new Paragraph(this, 
                                                textAlignment, textAlignmentLast, 
                                                textIndent.getValue(this),
                                                lastLineEndIndent.getValue(this));
                        lastPar.startSequence();
                        if (log.isTraceEnabled()) {
                            trace.append(" [");
                        }
                    } else {
                        if (log.isTraceEnabled()) {
                            trace.append(" +");
                        }
                    }
                    lastPar.addAll(sequence);
                    if (log.isTraceEnabled()) {
                        trace.append(" I");
                    }
                    
                    // finish last paragraph if it was closed with a linefeed
                    if (lastElement.isPenalty()
                            && ((KnuthPenalty) lastElement).getP()
                            == -KnuthPenalty.INFINITE) {
                        // a penalty item whose value is -inf
                        // represents a preserved linefeed,
                        // which forces a line break

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            if (!seq.isInlineSequence()) {
                LinkedList targetList = new LinkedList();
                ListIterator listIter = seq.listIterator();
                while (listIter.hasNext()) {
                    ListElement tempElement;
                    tempElement = (ListElement) listIter.next();
                    if (tempElement.getLayoutManager() != this) {
                        tempElement.setPosition(notifyPos(new NonLeafPosition(this,
                                tempElement.getPosition())));
                    }
                    targetList.add(tempElement);
                }
                returnList.addAll(targetList); 
            } else if (seq.isInlineSequence() && alignment == EN_JUSTIFY) {

View Full Code Here


        // "wrap" the Position stored in each list inside returnedList
        ListIterator listIterator = returnedList.listIterator();
        ListIterator elementIterator = null;
        KnuthSequence list = null;
        ListElement element = null;
        while (listIterator.hasNext()) {
            list = (KnuthSequence) listIterator.next();
            elementIterator = list.listIterator();
            while (elementIterator.hasNext()) {
                element = (KnuthElement) elementIterator.next();
                element.setPosition(notifyPos(new NonLeafPosition(this, element.getPosition())));
            }
        }


        return returnedList;
    }

View Full Code Here


        // "wrap" the Position stored in each list inside returnedList
        ListIterator listIterator = returnedList.listIterator();
        ListIterator elementIterator = null;
        KnuthSequence list = null;
        ListElement element = null;
        while (listIterator.hasNext()) {
            list = (KnuthSequence) listIterator.next();
            elementIterator = list.listIterator();
            while (elementIterator.hasNext()) {
                element = (KnuthElement) elementIterator.next();
                element.setPosition(notifyPos(new NonLeafPosition(this, element.getPosition())));
            }
        }


        return returnedList;
    }

View Full Code Here


            // collect footnote information
            // TODO this should really not be done like this. ListItemLM should remain as
            // footnote-agnostic as possible
            LinkedList footnoteList = null;
            ListElement el;
            for (int i = 0; i < elementLists.length; i++) {
                for (int j = start[i]; j <= end[i]; j++) {
                    el = (ListElement) elementLists[i].get(j);
                    if (el instanceof KnuthBlockBox && ((KnuthBlockBox) el).hasAnchors()) {
                        if (footnoteList == null) {

View Full Code Here

            while (iter.hasNext()) {
                KnuthSequence sequence = (KnuthSequence) iter.next();
                // the sequence contains inline Knuth elements
                if (sequence.isInlineSequence()) {
                    // look at the last element
                    ListElement lastElement = sequence.getLast();
                    assert lastElement != null;
                    previousIsBox = lastElement.isBox()
                            && !((KnuthElement) lastElement).isAuxiliary()
                            && ((KnuthElement) lastElement).getWidth() != 0;


                    // if last paragraph is open, add the new elements to the paragraph
                    // else this is the last paragraph
                    if (lastPar == null) {
                        lastPar = new Paragraph(this,
                                                textAlignment, textAlignmentLast,
                                                textIndent.getValue(this),
                                                lastLineEndIndent.getValue(this));
                        lastPar.startSequence();
                        if (log.isTraceEnabled()) {
                            trace.append(" [");
                        }
                    } else {
                        if (log.isTraceEnabled()) {
                            trace.append(" +");
                        }
                    }
                    lastPar.addAll(sequence);
                    if (log.isTraceEnabled()) {
                        trace.append(" I");
                    }


                    // finish last paragraph if it was closed with a linefeed
                    if (lastElement.isPenalty()
                            && ((KnuthPenalty) lastElement).getPenalty() == -KnuthPenalty.INFINITE) {
                        // a penalty item whose value is -inf
                        // represents a preserved linefeed,
                        // which forces a line break
                        lastPar.removeLast();

View Full Code Here


            if (!seq.isInlineSequence()) {
                List targetList = new LinkedList();
                ListIterator listIter = seq.listIterator();
                while (listIter.hasNext()) {
                    ListElement tempElement;
                    tempElement = (ListElement) listIter.next();
                    if (tempElement.getLayoutManager() != this) {
                        tempElement.setPosition(notifyPos(new NonLeafPosition(this,
                                tempElement.getPosition())));
                    }
                    targetList.add(tempElement);
                }
                returnList.addAll(targetList);
            } else if (seq.isInlineSequence() && alignment == EN_JUSTIFY) {

View Full Code Here


        contentKnuthElements = contentLM.getNextKnuthElements(childLC, alignment);
        //Set index values on elements coming from the content LM
        Iterator iter = contentKnuthElements.iterator();
        while (iter.hasNext()) {
            ListElement el = (ListElement)iter.next();
            notifyPos(el.getPosition());
        }
        log.debug(contentKnuthElements);
        wrapPositionElements(contentKnuthElements, returnList);


        context.updateKeepWithPreviousPending(getKeepWithPrevious());

View Full Code Here


        // "wrap" the Position stored in each list inside returnedList
        ListIterator listIterator = returnedList.listIterator();
        ListIterator elementIterator = null;
        KnuthSequence list = null;
        ListElement element = null;
        while (listIterator.hasNext()) {
            list = (KnuthSequence) listIterator.next();
            elementIterator = list.listIterator();
            while (elementIterator.hasNext()) {
                element = (KnuthElement) elementIterator.next();
                element.setPosition(notifyPos(new NonLeafPosition(this, element.getPosition())));
            }
        }


        return returnedList;
    }

View Full Code Here

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Related Classes of org.apache.fop.layoutmgr.ListElement

org.apache.fop.layoutmgr.inline.FootnoteLayoutManager

org.apache.fop.layoutmgr.inline.LineLayoutManager

org.apache.fop.layoutmgr.list.ListItemLayoutManager

org.apache.fop.layoutmgr.table.TableContentLayoutManager

org.apache.fop.layoutmgr.table.TableLayoutManager

org.apache.fop.logging.LoggingElementListObserver

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