Examples with EntityValueSource io.jmix.ui.component.data.meta.EntityValueSource used on opensource projects

Example 1 with EntityValueSource

use of io.jmix.ui.component.data.meta.EntityValueSource in project jmix by jmix-framework.

the class ValueBinder method bind.

public <V> ValueBinding<V> bind(HasValue<V> component, ValueSource<V> valueSource) {
    if (valueSource instanceof ApplicationContextAware) {
        ((ApplicationContextAware) valueSource).setApplicationContext(applicationContext);
    }
    ValueBindingImpl<V> binding = new ValueBindingImpl<>(component, valueSource);
    if (component instanceof Component.Editable) {
        ((Component.Editable) component).setEditable(!valueSource.isReadOnly());
    }
    if (valueSource instanceof EntityValueSource) {
        EntityValueSource entityValueSource = (EntityValueSource) valueSource;
        MetaPropertyPath metaPropertyPath = entityValueSource.getMetaPropertyPath();
        if (component instanceof Field) {
            initRequired((Field) component, metaPropertyPath);
            initBeanValidator((Field<?>) component, metaPropertyPath);
        }
        if (entityValueSource.isDataModelSecurityEnabled()) {
            UiEntityAttributeContext attributeContext = new UiEntityAttributeContext(metaPropertyPath);
            accessManager.applyRegisteredConstraints(attributeContext);
            if (component instanceof Component.Editable) {
                MetaClass metaClass = entityValueSource.getEntityMetaClass();
                boolean permittedIfEmbedded = true;
                if (entityValueSource instanceof ContainerValueSource) {
                    InstanceContainer<?> container = ((ContainerValueSource<?, ?>) entityValueSource).getContainer();
                    if (container instanceof Nested && metaClass != null && metadataTools.isJpaEmbeddable(metaClass)) {
                        String embeddedProperty = ((Nested) container).getProperty();
                        MetaClass masterMetaClass = ((Nested) container).getMaster().getEntityMetaClass();
                        UiEntityAttributeContext embeddedAttributeContext = new UiEntityAttributeContext(masterMetaClass, embeddedProperty);
                        accessManager.applyRegisteredConstraints(embeddedAttributeContext);
                        permittedIfEmbedded = embeddedAttributeContext.canModify();
                    }
                    if (permittedIfEmbedded && metaPropertyPath.length() > 1) {
                        for (MetaProperty property : metaPropertyPath.getMetaProperties()) {
                            if (metadataTools.isEmbedded(property)) {
                                UiEntityAttributeContext childAttributeContext = new UiEntityAttributeContext(property.getDomain(), property.getName());
                                accessManager.applyRegisteredConstraints(childAttributeContext);
                                if (!childAttributeContext.canModify()) {
                                    permittedIfEmbedded = false;
                                    break;
                                }
                            }
                        }
                    }
                }
                if (!attributeContext.canModify() || !permittedIfEmbedded) {
                    ((Component.Editable) component).setEditable(false);
                }
            }
            if (!attributeContext.canView()) {
                component.setVisible(false);
            }
        }
    }
    binding.bind();
    return binding;
}

Example 2 with EntityValueSource

use of io.jmix.ui.component.data.meta.EntityValueSource in project jmix by jmix-framework.

the class EditorBuilderProcessor method initEntity.

@Nullable
protected <E> E initEntity(EditorBuilder<E> builder, @Nullable CollectionContainer<E> container) {
    E entity;
    boolean oneToOneComposition = false;
    EntityValueSource entityValueSource = null;
    HasValue<E> field = builder.getField();
    if (field instanceof HasValueSource) {
        ValueSource valueSource = ((HasValueSource) field).getValueSource();
        if (valueSource instanceof EntityValueSource) {
            entityValueSource = (EntityValueSource) valueSource;
            oneToOneComposition = isCompositionProperty(entityValueSource);
        }
    }
    if (builder.getMode() == EditMode.CREATE || (oneToOneComposition && field.getValue() == null)) {
        if (builder.getNewEntity() == null) {
            entity = metadata.create(builder.getEntityClass());
        } else {
            entity = builder.getNewEntity();
        }
        if (container instanceof Nested) {
            initializeNestedEntity(entity, (Nested) container);
        }
        if (oneToOneComposition) {
            Object ownerEntity = entityValueSource.getItem();
            MetaProperty inverseProp = entityValueSource.getMetaPropertyPath().getMetaProperty().getInverse();
            if (inverseProp != null) {
                EntityValues.setValue(entity, inverseProp.getName(), ownerEntity);
            }
        }
        if (builder.getInitializer() != null) {
            builder.getInitializer().accept(entity);
        }
    } else {
        entity = builder.getEditedEntity();
    }
    return entity;
}

Example 3 with EntityValueSource

use of io.jmix.ui.component.data.meta.EntityValueSource in project jmix by jmix-framework.

the class AbstractTextArea method convertToPresentation.

@Override
protected String convertToPresentation(@Nullable V modelValue) throws ConversionException {
    if (datatype != null) {
        return nullToEmpty(datatype.format(modelValue, locale));
    }
    if (valueBinding != null && valueBinding.getSource() instanceof EntityValueSource) {
        EntityValueSource entityValueSource = (EntityValueSource) valueBinding.getSource();
        Datatype<V> propertyDataType = entityValueSource.getMetaPropertyPath().getRange().asDatatype();
        return nullToEmpty(propertyDataType.format(modelValue));
    }
    return nullToEmpty(super.convertToPresentation(modelValue));
}

Example 4 with EntityValueSource

use of io.jmix.ui.component.data.meta.EntityValueSource in project jmix by jmix-framework.

the class AbstractTextArea method getConversionErrorMessageInternal.

protected String getConversionErrorMessageInternal() {
    String customErrorMessage = getConversionErrorMessage();
    if (StringUtils.isNotEmpty(customErrorMessage)) {
        return customErrorMessage;
    }
    Datatype<V> datatype = this.datatype;
    if (datatype == null && valueBinding != null && valueBinding.getSource() instanceof EntityValueSource) {
        EntityValueSource entityValueSource = (EntityValueSource) valueBinding.getSource();
        datatype = entityValueSource.getMetaPropertyPath().getRange().asDatatype();
    }
    if (datatype != null) {
        String msg = getDatatypeConversionErrorMsg(datatype);
        if (StringUtils.isNotEmpty(msg)) {
            return msg;
        }
    }
    return applicationContext.getBean(Messages.class).getMessage("databinding.conversion.error");
}

Example 5 with EntityValueSource

use of io.jmix.ui.component.data.meta.EntityValueSource in project jmix by jmix-framework.

the class DatePickerImpl method convertToModel.

@Nullable
@SuppressWarnings("unchecked")
@Override
protected V convertToModel(@Nullable LocalDate componentRawValue) throws ConversionException {
    if (componentRawValue == null) {
        return null;
    }
    LocalDateTime localDateTime = LocalDateTime.of(componentRawValue, LocalTime.MIDNIGHT);
    ValueSource<V> valueSource = getValueSource();
    if (valueSource instanceof EntityValueSource) {
        MetaProperty metaProperty = ((EntityValueSource) valueSource).getMetaPropertyPath().getMetaProperty();
        return (V) convertFromLocalDateTime(localDateTime, metaProperty.getRange().asDatatype().getJavaClass());
    }
    return (V) convertFromLocalDateTime(localDateTime, datatype == null ? Date.class : datatype.getJavaClass());
}