Examples with ExpressionPart org.drools.workbench.models.datamodel.rule.ExpressionPart used on opensource projects

Example 1 with ExpressionPart

use of org.drools.workbench.models.datamodel.rule.ExpressionPart in project drools by kiegroup.

the class RuleModelDRLPersistenceUnmarshallingTest method testSingleFieldConstraintEBLeftSide.

@Test
public void testSingleFieldConstraintEBLeftSide() throws Exception {
    String drl = "" + "rule \" broken \"\n" + "dialect \"mvel\"\n" + "  when\n" + "    Customer( contact != null , contact.tel1 > \"15\" )\n" + "  then\n" + "end";
    addModelField("Customer", "contact", "Contact", "Contact");
    addModelField("Contact", "tel1", "String", "String");
    RuleModel m = RuleModelDRLPersistenceImpl.getInstance().unmarshal(drl, Collections.emptyList(), dmo);
    FactPattern pattern = (FactPattern) m.lhs[0];
    SingleFieldConstraint constraint = (SingleFieldConstraint) pattern.getFieldConstraints()[0];
    assertEquals("Customer", constraint.getFactType());
    assertEquals("contact", constraint.getFieldName());
    assertEquals("Contact", constraint.getFieldType());
    SingleFieldConstraintEBLeftSide constraint2 = (SingleFieldConstraintEBLeftSide) pattern.getFieldConstraints()[1];
    assertEquals("tel1", constraint2.getFieldName());
    assertEquals("String", constraint2.getFieldType());
    assertEquals("15", constraint2.getValue());
    assertEquals(">", constraint2.getOperator());
    assertEquals(3, constraint2.getExpressionLeftSide().getParts().size());
    ExpressionPart part1 = constraint2.getExpressionLeftSide().getParts().get(0);
    assertEquals("Customer", part1.getName());
    assertEquals("Customer", part1.getClassType());
    assertEquals("Customer", part1.getGenericType());
    ExpressionPart part2 = constraint2.getExpressionLeftSide().getParts().get(1);
    assertEquals("contact", part2.getName());
    assertEquals("Contact", part2.getClassType());
    assertEquals("Contact", part2.getGenericType());
    ExpressionPart part3 = constraint2.getExpressionLeftSide().getParts().get(2);
    assertEquals("tel1", part3.getName());
    assertEquals("String", part3.getClassType());
    assertEquals("String", part3.getGenericType());
}

Example 2 with ExpressionPart

use of org.drools.workbench.models.datamodel.rule.ExpressionPart in project drools-wb by kiegroup.

the class ExpressionBuilder method createWidgetForExpression.

// Render Widgets for the Expression. ExpressionMethodParameter and ExpressionText parts
// are represented by a TextBox to allow the User to edit the values, Updates are
// reflected in the model.
private Widget createWidgetForExpression() {
    final HorizontalPanel container = new HorizontalPanel();
    container.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);
    container.setStylePrimaryName(GuidedRuleEditorResources.INSTANCE.css().container());
    for (ExpressionPart expressionPart : expression.getParts()) {
        if (expressionPart instanceof ExpressionUnboundFact) {
            continue;
        } else if (this.readOnly) {
            container.add(new Label(expressionPart.getName()));
        } else if (expressionPart instanceof ExpressionMethod) {
            container.add(new Label(expressionPart.getName()));
            container.add(new Label("("));
            final ExpressionMethod em = (ExpressionMethod) expressionPart;
            final List<ExpressionFormLine> emParams = em.getOrderedParams();
            for (int index = 0; index < emParams.size(); index++) {
                final ExpressionFormLine paramValueHolder = emParams.get(index);
                final String paramDataType = em.getParameterDataType(paramValueHolder);
                final ExpressionMethodParameter paramValue = ((ExpressionMethodParameter) paramValueHolder.getRootExpression());
                final TextBox paramValueEditor = TextBoxFactory.getTextBox(paramDataType);
                paramValueEditor.addValueChangeHandler(new ValueChangeHandler<String>() {

                    @Override
                    public void onValueChange(ValueChangeEvent<String> event) {
                        paramValue.setText(event.getValue());
                    }
                });
                paramValueEditor.setText(paramValue.getName());
                container.add(paramValueEditor);
                if (index < emParams.size() - 1) {
                    container.add(new Label(", "));
                }
            }
            container.add(new Label(")"));
        } else if (!(expressionPart instanceof ExpressionText)) {
            container.add(new Label(expressionPart.getName()));
        } else {
            final TextBox tb = new TextBox();
            final ExpressionText expressionTextPart = (ExpressionText) expressionPart;
            tb.setText(expressionTextPart.getName());
            tb.addChangeHandler(new ChangeHandler() {

                @Override
                public void onChange(final ChangeEvent changeEvent) {
                    expressionTextPart.setText(tb.getText());
                }
            });
            container.add(tb);
        }
        container.add(new Label("."));
    }
    return container;
}

Example 3 with ExpressionPart

use of org.drools.workbench.models.datamodel.rule.ExpressionPart in project drools-wb by kiegroup.

the class ExpressionBuilder method onStartPointChange.

private void onStartPointChange(final String value) {
    setModified(true);
    panel.clear();
    final int dotPos = value.indexOf('.');
    final String prefix = value.substring(0, dotPos);
    final String attrib = value.substring(dotPos + 1);
    if (prefix.equals(VARIABLE_VALUE_PREFIX)) {
        FactPattern fact = getRuleModel().getLHSBoundFact(attrib);
        ExpressionPart variable;
        if (fact != null) {
            variable = new ExpressionVariable(fact.getBoundName(), fact.getFactType());
        } else {
            // if the variable is not bound to a Fact Pattern then it must be bound to a Field
            String lhsBindingType = getRuleModel().getLHSBindingType(attrib);
            variable = new ExpressionFieldVariable(attrib, lhsBindingType);
        }
        expression.appendPart(variable);
        onStartPointChangeUpdateWidget();
    } else if (prefix.equals(GLOBAL_VARIABLE_VALUE_PREFIX)) {
        ExpressionPartHelper.getExpressionPartForGlobalVariable(getDataModelOracle(), attrib, new Callback<ExpressionPart>() {

            @Override
            public void callback(final ExpressionPart part) {
                expression.appendPart(part);
                onStartPointChangeUpdateWidget();
            }
        });
    }
}