Examples with IElementDOMHandler org.freeplane.core.io.IElementDOMHandler used on opensource projects

Example 1 with IElementDOMHandler

use of org.freeplane.core.io.IElementDOMHandler in project freeplane by freeplane.

the class PresentationWriter method register.

void register(MapController mapController, final PresentationController presentationController) {
    mapController.getReadManager().addElementHandler("hook", new IElementDOMHandler() {

        private final ConditionFactory conditionFactory = FilterController.getCurrentFilterController().getConditionFactory();

        @Override
        public Object createElement(Object parent, String tag, XMLElement attributes) {
            if (attributes == null) {
                return null;
            }
            if (!PRESENTATIONS.equals(attributes.getAttribute("NAME", null))) {
                return null;
            }
            return parent;
        }

        @Override
        public void endElement(Object parent, String tag, Object element, XMLElement dom) {
            final NodeModel node = (NodeModel) parent;
            final MapModel map = node.getMap();
            final NamedElementFactory<Slide> slideFactory = presentationController.getSlideFactory(map);
            MapPresentations mapPresentationExtension = presentationController.getPresentations(map);
            NamedElementCollection<Presentation> presentations = mapPresentationExtension.presentations;
            Enumeration<XMLElement> xmlPresentations = dom.enumerateChildren();
            while (xmlPresentations.hasMoreElements()) {
                XMLElement xmlPresentation = xmlPresentations.nextElement();
                presentations.add(xmlPresentation.getAttribute(NAME, "noname"));
                Enumeration<XMLElement> xmlSlides = xmlPresentation.enumerateChildren();
                NamedElementCollection<Slide> slides = presentations.getCurrentElement().slides;
                while (xmlSlides.hasMoreElements()) {
                    XMLElement xmlSlide = xmlSlides.nextElement();
                    final String name = xmlSlide.getAttribute(NAME, "noname");
                    Slide s = slideFactory.create(name);
                    Slide slide = applySlideAttributes(xmlSlide, s);
                    slides.add(slide);
                }
                if (slides.getSize() > 1)
                    slides.selectCurrentElement(0);
            }
            if (presentations.getSize() > 1)
                presentations.selectCurrentElement(0);
            node.addExtension(mapPresentationExtension);
        }

        Slide applySlideAttributes(XMLElement xmlSlide, Slide s) {
            s.setShowsAncestors(toBoolean(xmlSlide, SHOWS_ANCESTORS));
            s.setShowsDescendants(toBoolean(xmlSlide, SHOWS_DESCENDANTS));
            s.setShowsOnlySpecificNodes(toBoolean(xmlSlide, SHOWS_ONLY_SPECIFIC_NODES));
            s.setChangesZoom(toBoolean(xmlSlide, CHANGES_ZOOM));
            final String centeredNodeId = toString(xmlSlide, CENTERED_NODE_ID);
            if (centeredNodeId != null) {
                s.setPlacedNodeId(centeredNodeId);
            }
            final String placedNodeId = toString(xmlSlide, PLACED_NODE_ID);
            if (placedNodeId != null) {
                s.setPlacedNodeId(placedNodeId);
            }
            final String nodePosition = xmlSlide.getAttribute(PLACED_NODE_POSITION, NodePosition.CENTER.name());
            s.setPlacedNodePosition(NodePosition.valueOf(nodePosition));
            s.setZoom(toFloat(xmlSlide, ZOOM));
            Enumeration<XMLElement> childAttributes = xmlSlide.enumerateChildren();
            while (childAttributes.hasMoreElements()) {
                XMLElement xmlElement = childAttributes.nextElement();
                if (xmlElement.getName().equals(NODES_ON_SLIDE)) {
                    Set<String> ids = loadSpecificNodeIds(xmlElement);
                    s.setSelectedNodeIds(ids);
                } else if (xmlElement.getName().equals(FOLDED_NODES)) {
                    Set<String> ids = loadSpecificNodeIds(xmlElement);
                    s.setFoldedNodeIDs(ids);
                } else if (xmlElement.getName().equals(SLIDE_CONDITION)) {
                    ASelectableCondition condition = loadFilterCondition(xmlElement);
                    s.setFilterCondition(condition);
                }
            }
            return s;
        }

        private Set<String> loadSpecificNodeIds(XMLElement xmlNodeIds) {
            LinkedHashSet<String> nodeIds = new LinkedHashSet<>();
            Enumeration<XMLElement> nodesEnumeration = xmlNodeIds.enumerateChildren();
            while (nodesEnumeration.hasMoreElements()) {
                XMLElement nodeIdXml = nodesEnumeration.nextElement();
                if (nodeIdXml.getName().equals(NODE_ON_SLIDE)) {
                    String id = nodeIdXml.getAttribute(NODE_ID, null);
                    if (id != null)
                        nodeIds.add(id);
                }
            }
            return nodeIds;
        }

        private ASelectableCondition loadFilterCondition(XMLElement xmlElement) {
            return conditionFactory.loadCondition(xmlElement.getChildAtIndex(0));
        }

        private float toFloat(XMLElement element, String attribute) {
            return Float.parseFloat(element.getAttribute(attribute, "1f"));
        }

        private boolean toBoolean(XMLElement element, String attribute) {
            return Boolean.parseBoolean(element.getAttribute(attribute, ""));
        }

        private String toString(XMLElement element, String attribute) {
            return element.getAttribute(attribute, null);
        }
    });
    mapController.getWriteManager().addExtensionElementWriter(MapPresentations.class, new IExtensionElementWriter() {

        @Override
        public void writeContent(ITreeWriter writer, Object element, IExtension extension) throws IOException {
            new PresentationWriter(((NodeModel) element).getMap()).writeContent(writer, extension);
        }
    });
}

Example 2 with IElementDOMHandler

use of org.freeplane.core.io.IElementDOMHandler in project freeplane by freeplane.

the class TreeXmlReader method endElement.

/*
	 * (non-Javadoc)
	 * @see
	 * freeplane.persistence.xml.n3.nanoxml.IXMLBuilder#endElement(java.lang
	 * .String, java.lang.String, java.lang.String)
	 */
public void endElement(final String name, final String nsPrefix, final String nsURI) throws Exception {
    final XMLElement lastBuiltElement = xmlBuilder.getParentElement();
    xmlBuilder.endElement(name, nsPrefix, nsURI);
    if (saveAsXmlUntil == lastBuiltElement) {
        saveAsXmlUntil = null;
    }
    if (saveAsXmlUntil != null) {
        return;
    }
    tag = null;
    if (0 == elementStack.size()) {
        return;
    }
    final Object element = currentElement;
    currentElement = elementStack.removeLast();
    try {
        if (nodeCreator instanceof IElementContentHandler) {
            ((IElementContentHandler) nodeCreator).endElement(currentElement, name, element, lastBuiltElement, elementContentAsString);
        } else if (nodeCreator instanceof IElementDOMHandler) {
            ((IElementDOMHandler) nodeCreator).endElement(currentElement, name, element, lastBuiltElement);
        }
    } catch (Exception e) {
        LogUtils.severe("Can not process element" + name, e);
    }
    final XMLElement top = lastBuiltElement.getParent();
    if (nodeCreator != null && top != null && top.hasChildren()) {
        final int lastChildIndex = top.getChildrenCount() - 1;
        top.removeChildAtIndex(lastChildIndex);
    }
    nodeCreator = (IElementHandler) nodeCreatorStack.removeLast();
    elementContentAsString = null;
}