Examples with ListOptions com.haulmont.cuba.gui.components.data.options.ListOptions used on opensource projects

Example 1 with ListOptions

use of com.haulmont.cuba.gui.components.data.options.ListOptions in project cuba by cuba-platform.

the class AbstractComponentGenerationStrategy method setOptionsLoader.

protected void setOptionsLoader(CategoryAttribute categoryAttribute, LookupField lookupField, ContainerValueSource valueSource) {
    InstanceContainer<?> container = valueSource.getContainer();
    Entity entity = container.getItemOrNull();
    if (entity != null) {
        List options = dynamicAttributesTools.loadOptions((BaseGenericIdEntity) entity, categoryAttribute);
        // noinspection unchecked
        lookupField.setOptions(new ListOptions(options));
    }
    container.addItemChangeListener(e -> {
        List options = dynamicAttributesTools.loadOptions((BaseGenericIdEntity) e.getItem(), categoryAttribute);
        // noinspection unchecked
        lookupField.setOptions(new ListOptions(options));
    });
    List<CategoryAttribute> dependsOnAttributes = categoryAttribute.getConfiguration().getDependsOnAttributes();
    if (dependsOnAttributes != null && !dependsOnAttributes.isEmpty()) {
        List<String> dependsOnAttributesCodes = dependsOnAttributes.stream().map(a -> DynamicAttributesUtils.encodeAttributeCode(a.getCode())).collect(Collectors.toList());
        container.addItemPropertyChangeListener(e -> {
            if (dependsOnAttributesCodes.contains(e.getProperty())) {
                List options = dynamicAttributesTools.loadOptions((BaseGenericIdEntity) e.getItem(), categoryAttribute);
                // noinspection unchecked
                lookupField.setOptions(new ListOptions(options));
                if (!options.contains(lookupField.getValue())) {
                    // noinspection unchecked
                    lookupField.setValue(null);
                }
            }
        });
    }
}