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

Example 6 with TreeReference

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

the class Safe2014DagImplTest method deleteThirdRepeatGroup_evaluatesTriggerables_dependentOnTheRepeatGroupsNumber.

@Test
public void deleteThirdRepeatGroup_evaluatesTriggerables_dependentOnTheRepeatGroupsNumber() throws Exception {
    // Given
    final FormDef formDef = parse(r("calculation-dependent-on-the-repeat-groups-number.xml")).formDef;
    assertIDagImplUnderTest(formDef);
    // trigger all calculations
    formDef.initialize(false, new InstanceInitializationFactory());
    // it's important to set the test event notifier now to avoid storing events from the above initialization
    formDef.setEventNotifier(eventNotifier);
    final FormInstance mainInstance = formDef.getMainInstance();
    final TreeElement elementToBeDeleted = mainInstance.getRoot().getChildAt(2);
    final TreeReference elementToBeDeletedRef = elementToBeDeleted.getRef();
    // Index pointing to the second repeat group
    final FormIndex indexToBeDeleted = new FormIndex(0, 2, elementToBeDeletedRef);
    // When
    TreeElement summaryNode = mainInstance.getRoot().getChildrenWithName("summary").get(0);
    // check the calculation result for 10 repeat groups
    assertThat(summaryNode.getValue().getDisplayText(), equalTo("55"));
    // Safe2014DagImplTest.deleteRepeatGroup is called by the below method
    formDef.deleteRepeat(indexToBeDeleted);
    // Then
    final List<TreeElement> repeats = mainInstance.getRoot().getChildrenWithName("houseM");
    // check the values based on the position of the parents
    assertThat(repeats.get(0).getChildAt(0).getValue().getDisplayText(), equalTo("1"));
    assertThat(repeats.get(1).getChildAt(0).getValue().getDisplayText(), equalTo("2"));
    assertThat(repeats.get(2).getChildAt(0).getValue().getDisplayText(), equalTo("3"));
    assertThat(repeats.get(3).getChildAt(0).getValue().getDisplayText(), equalTo("4"));
    assertThat(repeats.get(4).getChildAt(0).getValue().getDisplayText(), equalTo("5"));
    assertThat(repeats.get(5).getChildAt(0).getValue().getDisplayText(), equalTo("6"));
    assertThat(repeats.get(6).getChildAt(0).getValue().getDisplayText(), equalTo("7"));
    assertThat(repeats.get(7).getChildAt(0).getValue().getDisplayText(), equalTo("8"));
    assertThat(repeats.get(8).getChildAt(0).getValue().getDisplayText(), equalTo("9"));
    assertThat(summaryNode.getValue().getDisplayText(), equalTo("45"));
    // check that correct calculations were triggered
    final String[] expectedMessages = { "Processing 'Recalculate' for no [3_1] (3.0)", "Processing 'Recalculate' for summary [1] (51.0)", "Processing 'Deleted: houseM [3]: 2 triggerables were fired.' for ", "Processing 'Deleted: no [3_1]: 0 triggerables were fired.' for ", "Processing 'Recalculate' for no [4_1] (4.0)", "Processing 'Recalculate' for summary [1] (50.0)", "Processing 'Deleted: houseM [4]: 2 triggerables were fired.' for ", "Processing 'Recalculate' for no [5_1] (5.0)", "Processing 'Recalculate' for summary [1] (49.0)", "Processing 'Deleted: houseM [5]: 2 triggerables were fired.' for ", "Processing 'Recalculate' for no [6_1] (6.0)", "Processing 'Recalculate' for summary [1] (48.0)", "Processing 'Deleted: houseM [6]: 2 triggerables were fired.' for ", "Processing 'Recalculate' for no [7_1] (7.0)", "Processing 'Recalculate' for summary [1] (47.0)", "Processing 'Deleted: houseM [7]: 2 triggerables were fired.' for ", "Processing 'Recalculate' for no [8_1] (8.0)", "Processing 'Recalculate' for summary [1] (46.0)", "Processing 'Deleted: houseM [8]: 2 triggerables were fired.' for ", "Processing 'Recalculate' for no [9_1] (9.0)", "Processing 'Recalculate' for summary [1] (45.0)", "Processing 'Deleted: houseM [9]: 2 triggerables were fired.' for " };
    assertThat(dagEvents.size(), equalTo(expectedMessages.length));
    int messageIndex = 0;
    for (String expectedMessage : expectedMessages) {
        assertThat(dagEvents.get(messageIndex++).getDisplayMessage(), equalTo(expectedMessage));
    }
}

Example 7 with TreeReference

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

the class XPathConditional method getTriggers.

private static void getTriggers(XPathExpression x, Set<TreeReference> v, TreeReference contextRef) {
    if (x instanceof XPathPathExpr) {
        TreeReference ref = ((XPathPathExpr) x).getReference();
        TreeReference contextualized = ref;
        if (contextRef != null) {
            contextualized = ref.contextualize(contextRef);
        }
        // TODO: It's possible we should just handle this the same way as "genericize". Not entirely clear.
        if (contextualized.hasPredicates()) {
            contextualized = contextualized.removePredicates();
        }
        v.add(contextualized);
        for (int i = 0; i < ref.size(); i++) {
            List<XPathExpression> predicates = ref.getPredicate(i);
            if (predicates == null) {
                continue;
            }
            // we can't generate this properly without an absolute reference
            if (!ref.isAbsolute()) {
                throw new IllegalArgumentException("can't get triggers for relative references");
            }
            TreeReference predicateContext = ref.getSubReference(i);
            for (XPathExpression predicate : predicates) {
                getTriggers(predicate, v, predicateContext);
            }
        }
    } else if (x instanceof XPathBinaryOpExpr) {
        getTriggers(((XPathBinaryOpExpr) x).a, v, contextRef);
        getTriggers(((XPathBinaryOpExpr) x).b, v, contextRef);
    } else if (x instanceof XPathUnaryOpExpr) {
        getTriggers(((XPathUnaryOpExpr) x).a, v, contextRef);
    } else if (x instanceof XPathFuncExpr) {
        XPathFuncExpr fx = (XPathFuncExpr) x;
        for (int i = 0; i < fx.args.length; i++) getTriggers(fx.args[i], v, contextRef);
    }
}

Example 8 with TreeReference

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

the class XFormParser method parseControl.

/**
 * Parses a form control element into a {@link org.javarosa.core.model.QuestionDef} and attaches it to its parent.
 *
 * @param parent                the form control element's parent
 * @param e                     the form control element to parse
 * @param controlType           one of the control types defined in {@link org.javarosa.core.model.Constants}
 * @param additionalUsedAtts    attributes specific to the control type
 * @param passedThroughAtts     attributes specific to the control type that should be passed through to
 *                              additionalAttributes for historical reasons
 * @return                      a {@link org.javarosa.core.model.QuestionDef} representing the form control element
 */
private QuestionDef parseControl(IFormElement parent, Element e, int controlType, List<String> additionalUsedAtts, List<String> passedThroughAtts) {
    final QuestionDef question = questionForControlType(controlType);
    // until we come up with a better scheme
    question.setID(serialQuestionID++);
    final List<String> usedAtts = new ArrayList<>(Arrays.asList(REF_ATTR, BIND_ATTR, APPEARANCE_ATTR));
    if (additionalUsedAtts != null) {
        usedAtts.addAll(additionalUsedAtts);
    }
    IDataReference dataRef = null;
    boolean refFromBind = false;
    String ref = e.getAttributeValue(null, REF_ATTR);
    String bind = e.getAttributeValue(null, BIND_ATTR);
    if (bind != null) {
        DataBinding binding = bindingsByID.get(bind);
        if (binding == null) {
            throw new XFormParseException("XForm Parse: invalid binding ID '" + bind + "'", e);
        }
        dataRef = binding.getReference();
        refFromBind = true;
    } else if (ref != null) {
        try {
            dataRef = new XPathReference(ref);
        } catch (RuntimeException el) {
            Std.out.println(XFormParser.getVagueLocation(e));
            throw el;
        }
    } else {
        // noinspection StatementWithEmptyBody
        if (controlType == Constants.CONTROL_TRIGGER) {
        // TODO: special handling for triggers? also, not all triggers created equal
        } else {
            throw new XFormParseException("XForm Parse: input control with neither 'ref' nor 'bind'", e);
        }
    }
    if (dataRef != null) {
        if (!refFromBind) {
            dataRef = getAbsRef(dataRef, parent);
        }
        question.setBind(dataRef);
        if (controlType == Constants.CONTROL_SELECT_ONE) {
            selectOnes.add((TreeReference) dataRef.getReference());
        } else if (controlType == Constants.CONTROL_SELECT_MULTI) {
            selectMultis.add((TreeReference) dataRef.getReference());
        }
    }
    boolean isSelect = (controlType == Constants.CONTROL_SELECT_MULTI || controlType == Constants.CONTROL_SELECT_ONE);
    question.setControlType(controlType);
    question.setAppearanceAttr(e.getAttributeValue(null, APPEARANCE_ATTR));
    for (int i = 0; i < e.getChildCount(); i++) {
        int type = e.getType(i);
        Element child = (type == Node.ELEMENT ? e.getElement(i) : null);
        String childName = (child != null ? child.getName() : null);
        if (LABEL_ELEMENT.equals(childName)) {
            parseQuestionLabel(question, child);
        } else if ("hint".equals(childName)) {
            parseHint(question, child);
        } else if (isSelect && "item".equals(childName)) {
            parseItem(question, child);
        } else if (isSelect && "itemset".equals(childName)) {
            parseItemset(question, child, parent);
        }
    }
    if (isSelect) {
        if (question.getNumChoices() > 0 && question.getDynamicChoices() != null) {
            throw new XFormParseException("Select question contains both literal choices and <itemset>");
        } else if (question.getNumChoices() == 0 && question.getDynamicChoices() == null) {
            throw new XFormParseException("Select question has no choices");
        }
    }
    if (question instanceof RangeQuestion) {
        populateQuestionWithRangeAttributes((RangeQuestion) question, e);
    }
    parent.addChild(question);
    processAdditionalAttributes(question, e, usedAtts, passedThroughAtts);
    return question;
}

Example 9 with TreeReference

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

the class FormInstanceParser method createMissingTemplates.

// if repeatables have no template node, duplicate first as template
private void createMissingTemplates(FormInstance instance, List<TreeReference> missingTemplates) {
    // every ref is listed after a ref that could be its parent. checkRepeatsForTemplate currently behaves this way
    for (TreeReference templRef : missingTemplates) {
        final TreeReference firstMatch;
        // make template ref generic and choose first matching node
        final TreeReference ref = templRef.clone();
        for (int j = 0; j < ref.size(); j++) {
            ref.setMultiplicity(j, TreeReference.INDEX_UNBOUND);
        }
        final List<TreeReference> nodes = new EvaluationContext(instance).expandReference(ref);
        if (nodes.size() == 0) {
            // binding error; not a single node matches the repeat binding; will be reported later
            continue;
        } else {
            firstMatch = nodes.get(0);
        }
        try {
            instance.copyNode(firstMatch, templRef);
        } catch (InvalidReferenceException e) {
            reporter.warning(XFormParserReporter.TYPE_INVALID_STRUCTURE, "Could not create a default repeat template; this is almost certainly a homogeneity error! Your form will not work! (Failed on " + templRef.toString() + ")", null);
        }
        trimRepeatChildren(instance.resolveReference(templRef));
    }
}

Example 10 with TreeReference

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

the class FormInstanceParser method verifyRepeatMemberBindings.

private void verifyRepeatMemberBindings(IFormElement fe, FormInstance instance, GroupDef parentRepeat) {
    if (fe.getChildren() == null)
        return;
    for (int i = 0; i < fe.getChildren().size(); i++) {
        IFormElement child = fe.getChildren().get(i);
        boolean isRepeat = (child instanceof GroupDef && ((GroupDef) child).getRepeat());
        // get bindings of current node and nearest enclosing repeat
        TreeReference repeatBind = (parentRepeat == null ? TreeReference.rootRef() : FormInstance.unpackReference(parentRepeat.getBind()));
        TreeReference childBind = FormInstance.unpackReference(child.getBind());
        // check if current binding is within scope of repeat binding
        if (!repeatBind.isParentOf(childBind, false)) {
            // catch <repeat nodeset="/a/b"><input ref="/a/c" /></repeat>: repeat question is not a child of the repeated node
            throw new XFormParseException("<repeat> member's binding [" + childBind.toString() + "] is not a descendant of <repeat> binding [" + repeatBind.toString() + "]!");
        } else if (repeatBind.equals(childBind) && isRepeat) {
            // catch <repeat nodeset="/a/b"><repeat nodeset="/a/b">...</repeat></repeat> (<repeat nodeset="/a/b"><input ref="/a/b" /></repeat> is ok)
            throw new XFormParseException("child <repeat>s [" + childBind.toString() + "] cannot bind to the same node as their parent <repeat>; only questions/groups can");
        }
        // check that, in the instance, current node is not within the scope of any closer repeat binding
        // build a list of all the node's instance ancestors
        List<TreeElement> repeatAncestry = new ArrayList<>();
        TreeElement repeatNode = (repeatTree == null ? null : repeatTree.getRoot());
        if (repeatNode != null) {
            repeatAncestry.add(repeatNode);
            for (int j = 1; j < childBind.size(); j++) {
                repeatNode = repeatNode.getChild(childBind.getName(j), 0);
                if (repeatNode != null) {
                    repeatAncestry.add(repeatNode);
                } else {
                    break;
                }
            }
        }
        // check that no nodes between the parent repeat and the target are repeatable
        for (int k = repeatBind.size(); k < childBind.size(); k++) {
            TreeElement rChild = (k < repeatAncestry.size() ? repeatAncestry.get(k) : null);
            boolean repeatable = rChild != null && rChild.isRepeatable();
            if (repeatable && !(k == childBind.size() - 1 && isRepeat)) {
                // question's/group's/repeat's most immediate repeat parent in the instance is not its most immediate repeat parent in the form def
                throw new XFormParseException("<repeat> member's binding [" + childBind.toString() + "] is within the scope of a <repeat> that is not its closest containing <repeat>!");
            }
        }
        verifyRepeatMemberBindings(child, instance, (isRepeat ? (GroupDef) child : parentRepeat));
    }
}