Examples with TreeElement org.javarosa.core.model.instance.TreeElement used on opensource projects

Example 31 with TreeElement

use of org.javarosa.core.model.instance.TreeElement in project javarosa by opendatakit.

the class FormEntryModel method isIndexReadonly.

/**
 * @param index
 * @return true if the element at the specified index is read only
 */
public boolean isIndexReadonly(FormIndex index) {
    if (index.isBeginningOfFormIndex() || index.isEndOfFormIndex())
        return true;
    TreeReference ref = form.getChildInstanceRef(index);
    boolean isAskNewRepeat = (getEvent(index) == FormEntryController.EVENT_PROMPT_NEW_REPEAT || getEvent(index) == FormEntryController.EVENT_REPEAT_JUNCTURE);
    if (isAskNewRepeat) {
        return false;
    } else {
        TreeElement node = form.getMainInstance().resolveReference(ref);
        return !node.isEnabled();
    }
}

Example 32 with TreeElement

use of org.javarosa.core.model.instance.TreeElement in project javarosa by opendatakit.

the class XFormSerializingVisitor method serializeNode.

public Element serializeNode(TreeElement instanceNode) {
    // don't set anything on this element yet, as it might get overwritten
    Element e = new Element();
    // don't serialize template nodes or non-relevant nodes
    if ((respectRelevance && !instanceNode.isRelevant()) || instanceNode.getMult() == TreeReference.INDEX_TEMPLATE) {
        return null;
    }
    if (instanceNode.getValue() != null) {
        Object serializedAnswer;
        try {
            serializedAnswer = serializer.serializeAnswerData(instanceNode.getValue(), instanceNode.getDataType());
        } catch (RuntimeException ex) {
            throw new RuntimeException("Unable to serialize " + instanceNode.getValue().toString() + ". Exception: " + ex.toString());
        }
        if (serializedAnswer instanceof Element) {
            e = (Element) serializedAnswer;
        } else if (serializedAnswer instanceof String) {
            e = new Element();
            e.addChild(Node.TEXT, (String) serializedAnswer);
        } else {
            throw new RuntimeException("Can't handle serialized output for" + instanceNode.getValue().toString() + ", " + serializedAnswer);
        }
        if (serializer.containsExternalData(instanceNode.getValue()).booleanValue()) {
            IDataPointer[] pointer = serializer.retrieveExternalDataPointer(instanceNode.getValue());
            for (int i = 0; i < pointer.length; ++i) {
                dataPointers.add(pointer[i]);
            }
        }
    } else {
        // make sure all children of the same tag name are written en bloc
        List<String> childNames = new ArrayList<String>(instanceNode.getNumChildren());
        for (int i = 0; i < instanceNode.getNumChildren(); i++) {
            String childName = instanceNode.getChildAt(i).getName();
            if (!childNames.contains(childName))
                childNames.add(childName);
        }
        for (int i = 0; i < childNames.size(); i++) {
            String childName = (String) childNames.get(i);
            int mult = instanceNode.getChildMultiplicity(childName);
            for (int j = 0; j < mult; j++) {
                Element child = serializeNode(instanceNode.getChild(childName, j));
                if (child != null) {
                    e.addChild(Node.ELEMENT, child);
                }
            }
        }
    }
    e.setName(instanceNode.getName());
    // add hard-coded attributes
    for (int i = 0; i < instanceNode.getAttributeCount(); i++) {
        String namespace = instanceNode.getAttributeNamespace(i);
        String name = instanceNode.getAttributeName(i);
        String val = instanceNode.getAttributeValue(i);
        // is it legal for getAttributeValue() to return null? playing it safe for now and assuming yes
        if (val == null) {
            val = "";
        }
        e.setAttribute(namespace, name, val);
    }
    if (instanceNode.getNamespace() != null) {
        e.setNamespace(instanceNode.getNamespace());
    }
    return e;
}

Example 33 with TreeElement

use of org.javarosa.core.model.instance.TreeElement in project javarosa by opendatakit.

the class XFormSerializingVisitor method visit.

/*
     * (non-Javadoc)
     * @see org.javarosa.core.model.utils.ITreeVisitor#visit(org.javarosa.core.model.DataModelTree)
     */
public void visit(FormInstance tree) {
    theXmlDoc = new Document();
    // TreeElement root = tree.getRoot();
    TreeElement root = tree.resolveReference(rootRef);
    // catch that case and just start at the root.
    if (root == null) {
        root = tree.getRoot();
    }
    if (root != null) {
        theXmlDoc.addChild(Node.ELEMENT, serializeNode(root));
    }
    Element top = theXmlDoc.getElement(0);
    String[] prefixes = tree.getNamespacePrefixes();
    for (int i = 0; i < prefixes.length; ++i) {
        top.setPrefix(prefixes[i], tree.getNamespaceURI(prefixes[i]));
    }
    if (tree.schema != null) {
        top.setNamespace(tree.schema);
        top.setPrefix("", tree.schema);
    }
}

Example 34 with TreeElement

use of org.javarosa.core.model.instance.TreeElement in project javarosa by opendatakit.

the class SMSSerializingVisitor method visit.

/*
     * (non-Javadoc)
     *
     * @see
     * org.javarosa.core.model.utils.ITreeVisitor#visit(org.javarosa.core.model
     * .DataModelTree)
     */
public void visit(FormInstance tree) {
    nodeSet = new String();
    // TreeElement root = tree.getRoot();
    TreeElement root = tree.resolveReference(rootRef);
    xmlns = root.getAttributeValue("", "xmlns");
    delimiter = root.getAttributeValue("", "delimiter");
    if (delimiter == null) {
        // for the spelling-impaired...
        delimiter = root.getAttributeValue("", "delimeter");
    }
    prefix = root.getAttributeValue("", "prefix");
    xmlns = (xmlns != null) ? xmlns : " ";
    delimiter = (delimiter != null) ? delimiter : " ";
    prefix = (prefix != null) ? prefix : " ";
    // Don't bother adding any delimiters, yet. Delimiters are
    // added before tags/data
    theSmsStr = prefix;
    // serialize each node to get it's answers
    for (int j = 0; j < root.getNumChildren(); j++) {
        TreeElement tee = root.getChildAt(j);
        String e = serializeNode(tee);
        if (e != null) {
            theSmsStr += e;
        }
    }
    theSmsStr = theSmsStr.trim();
}

Example 35 with TreeElement

use of org.javarosa.core.model.instance.TreeElement in project javarosa by opendatakit.

the class Fast2014DagImpl method addChildrenOfReference.

/**
 * This is a utility method to get all of the references of a node. It can
 * be replaced when we support dependent XPath Steps (IE: /path/to//)
 */
public void addChildrenOfReference(FormInstance mainInstance, EvaluationContext evalContext, TreeReference original, Set<TreeReference> toAdd, boolean expandRepeatables) {
    // original has already been added to the 'toAdd' list.
    TreeElement repeatTemplate = expandRepeatables ? mainInstance.getTemplatePath(original) : null;
    if (repeatTemplate != null) {
        for (int i = 0; i < repeatTemplate.getNumChildren(); ++i) {
            TreeElement child = repeatTemplate.getChildAt(i);
            toAdd.add(child.getRef().genericize());
            addChildrenOfElement(mainInstance, evalContext, child, toAdd, expandRepeatables);
        }
    } else {
        List<TreeReference> refSet = evalContext.expandReference(original);
        for (TreeReference ref : refSet) {
            addChildrenOfElement(mainInstance, evalContext, evalContext.resolveReference(ref), toAdd, expandRepeatables);
        }
    }
}