Package org.apache.fop.layoutmgr

Examples of org.apache.fop.layoutmgr.Position

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        int fromIndex = 0;

        boolean bSomethingChanged = false;
        while (oldListIterator.hasNext()) {
            oldElement = (KnuthElement) oldListIterator.next();
            Position pos = oldElement.getPosition();
            if (pos == null) {
                currLM = null;
            } else {
                currLM = (InlineLevelLayoutManager) pos.getLM(depth);
            }

            // initialize prevLM
            if (prevLM == null) {
                prevLM = currLM;
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        InlineLevelLayoutManager currLM;
        int fromIndex = 0;

        while (oldListIterator.hasNext()) {
            oldElement = (KnuthElement) oldListIterator.next();
            Position pos = oldElement.getPosition();
            if (pos == null) {
                currLM = null;
            } else {
                currLM = (InlineLevelLayoutManager) pos.getLM(depth);
            }
            if (prevLM == null) {
                prevLM = currLM;
            }
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    @Override
    public void addAreas(PositionIterator posIter, LayoutContext context) {
        // "Unwrap" the NonLeafPositions stored in posIter and put
        // them in a new list, that will be given to the citationLM
        LinkedList<Position> positionList = new LinkedList<Position>();
        Position pos;
        while (posIter.hasNext()) {
            pos = posIter.next();
            if (pos != null && pos.getPosition() != null) {
                positionList.add(pos.getPosition());
            }
        }

        // FootnoteLM does not create any area,
        // so the citationLM child will add directly to the FootnoteLM parent area
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        for (int p = 0; p < knuthParagraphs.size(); p++) {
            // penalty between paragraphs
            if (p > 0) {
                Keep keep = getKeepTogether();
                returnList.add(new BreakElement(
                            new Position(this),
                            keep.getPenalty(),
                            keep.getContext(),
                            context));
            }

            LineLayoutPossibilities llPoss = lineLayoutsList[p];
            KnuthSequence seq = knuthParagraphs.get(p);

            if (!seq.isInlineSequence()) {
                List<ListElement> targetList = new LinkedList<ListElement>();
                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) {
                /* justified vertical alignment (not in the XSL FO recommendation):
                   create a multi-layout sequence whose elements will contain
                   a conventional Position */
                Position returnPosition = new LeafPosition(this, p);
                createElements(returnList, llPoss, returnPosition);
            } else {
                /* "normal" vertical alignment: create a sequence whose boxes
                   represent effective lines, and contain LineBreakPositions */
                int startIndex = 0;
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            for (int i = 0; i < llPoss.getChosenLineCount(); i++) {
                if (!((BlockLevelLayoutManager) parentLayoutManager).mustKeepTogether()
                    && i >= fobj.getOrphans()
                    && i <= llPoss.getChosenLineCount() - fobj.getWidows()) {
                    // null penalty allowing a page break between lines
                    returnList.add(new KnuthPenalty(0, 0, false, new Position(this), false));
                }
                LineBreakPosition lbp = (LineBreakPosition) llPoss.getChosenPosition(i);
                //log.debug("LLM.getChangedKnuthElements> lineWidth= "
                // + lbp.lineWidth + " difference= " + lbp.difference);
                //log.debug("                             shrink= "
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     */
    @Override
    public void addAreas(PositionIterator parentIter,
                         LayoutContext context) {
        while (parentIter.hasNext()) {
            Position pos = parentIter.next();
            boolean isLastPosition = !parentIter.hasNext();
            if (pos instanceof LineBreakPosition) {
                addInlineArea(context, (LineBreakPosition) pos, isLastPosition);
            } else if ((pos instanceof NonLeafPosition) && pos.generatesAreas()) {
                addBlockArea(context, pos, isLastPosition);
            } else {
                /*
                 * pos was the Position inside a penalty item, nothing to do;
                 * or Pos does not generate an area,
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         * "unwrap" the positions and put the child positions in a new list.
         * The positionList must contain one area-generating position,
         * which creates one line area.
         */
        List positionList = new ArrayList(1);
        Position innerPosition = pos.getPosition();
        positionList.add(innerPosition);

        // do we have the last LM?
        LayoutManager lastLM = null;
        if (isLastPosition) {
            lastLM = innerPosition.getLM();
        }

        LineArea lineArea = new LineArea();
        setCurrentArea(lineArea);
        LayoutContext lc = new LayoutContext(0);
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        LayoutManager childLM;
        LayoutContext lc = new LayoutContext(0);
        LayoutManager firstLM = null;
        LayoutManager lastLM = null;
        Position firstPos = null;
        Position lastPos = null;

        // "unwrap" the NonLeafPositions stored in parentIter
        // and put them in a new list;
        LinkedList<Position> positionList = new LinkedList<Position>();
        Position pos;
        while (parentIter.hasNext()) {
            pos = parentIter.next();
            if (pos.getIndex() >= 0) {
                if (firstPos == null) {
                    firstPos = pos;
                }
                lastPos = pos;
            }
            if (pos instanceof NonLeafPosition
                    && (pos.getPosition() != null)
                    && pos.getPosition().getLM() != this) {
                // pos was created by a child of this ListBlockLM
                positionList.add(pos.getPosition());
                lastLM = pos.getPosition().getLM();
                if (firstLM == null) {
                    firstLM = lastLM;
                }
            }
        }
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        // "unwrap" the Positions stored in the elements
        ListIterator oldListIterator = oldList.listIterator();
        KnuthElement oldElement;
        while (oldListIterator.hasNext()) {
            oldElement = (KnuthElement)oldListIterator.next();
            Position innerPosition = oldElement.getPosition().getPosition();
            if (innerPosition != null) {
                // oldElement was created by a descendant of this BlockLM
                oldElement.setPosition(innerPosition);
            } else {
                // thisElement was created by this BlockLM
                // modify its position in order to recognize it was not created
                // by a child
                oldElement.setPosition(new Position(this));
            }
        }

        List returnedList = body.getChangedKnuthElements(oldList, alignment);
        // "wrap" the Position inside each element
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        getParentArea(null);

        addId();

        LayoutContext lc = new LayoutContext(0);
        Position firstPos = null;
        Position lastPos = null;

        // "unwrap" the NonLeafPositions stored in parentIter
        LinkedList<Position> positionList = new LinkedList<Position>();
        Position pos;
        while (parentIter.hasNext()) {
            pos = parentIter.next();
            if (pos.getIndex() >= 0) {
                if (firstPos == null) {
                    firstPos = pos;
                }
                lastPos = pos;
            }
            if (pos instanceof NonLeafPosition && pos.getPosition() != null) {
                // pos contains a ListItemPosition created by this ListBlockLM
                positionList.add(pos.getPosition());
            }
        }

        addMarkersToPage(true, isFirst(firstPos), isLast(lastPos));
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Related Classes of org.apache.fop.layoutmgr.Position

  • org.apache.fop.layoutmgr.inline.FootnoteLayoutManager
  • org.apache.fop.layoutmgr.inline.InlineLayoutManager
  • org.apache.fop.layoutmgr.inline.InlineStackingLayoutManager
  • org.apache.fop.layoutmgr.inline.LineLayoutManager
  • org.apache.fop.layoutmgr.inline.TextLayoutManager
  • org.apache.fop.layoutmgr.list.ListBlockLayoutManager
  • org.apache.fop.layoutmgr.list.ListItemContentLayoutManager
  • org.apache.fop.layoutmgr.list.ListItemLayoutManager
  • org.apache.fop.layoutmgr.table.TableCellLayoutManager
  • org.apache.fop.layoutmgr.table.TableContentLayoutManager
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