Examples with DatasourceValueSource com.haulmont.cuba.gui.components.data.value.DatasourceValueSource used on opensource projects

Example 1 with DatasourceValueSource

use of com.haulmont.cuba.gui.components.data.value.DatasourceValueSource in project cuba by cuba-platform.

the class DynamicAttributesGuiTools method getValueChangeEventListener.

/**
 * Returns {@code ValueChangeEventListener} for dynamic attribute that has one or more dependent attributes.
 * This listener recalculates values for all dependent dynamic attributes hierarchically. The listener uses
 * {@code recalculationInProgress} ThreadLocal variable to avoid unnecessary calculation.
 */
@SuppressWarnings("unchecked")
public Consumer<HasValue.ValueChangeEvent> getValueChangeEventListener(final CategoryAttribute attribute) {
    if (attribute.getConfiguration().getDependentAttributes() != null && !attribute.getConfiguration().getDependentAttributes().isEmpty()) {
        return valueChangeEvent -> {
            if (Boolean.TRUE.equals(recalculationInProgress.get())) {
                return;
            }
            try {
                recalculationInProgress.set(true);
                com.haulmont.cuba.gui.components.Component component = valueChangeEvent.getComponent();
                if (component instanceof HasValueSource) {
                    {
                        BaseGenericIdEntity entity = null;
                        String attributeCode = DynamicAttributesUtils.encodeAttributeCode(attribute.getCode());
                        if (((HasValueSource) component).getValueSource() instanceof ContainerValueSource) {
                            ContainerValueSource valueSource = (ContainerValueSource) ((HasValueSource) component).getValueSource();
                            InstanceContainer container = valueSource.getContainer();
                            if (container.getItem() instanceof BaseGenericIdEntity) {
                                entity = (BaseGenericIdEntity) container.getItem();
                            }
                        } else if (((HasValueSource) component).getValueSource() instanceof DatasourceValueSource) {
                            DatasourceValueSource valueSource = (DatasourceValueSource) ((HasValueSource) component).getValueSource();
                            if (valueSource.getItem() instanceof BaseGenericIdEntity) {
                                entity = (BaseGenericIdEntity) valueSource.getItem();
                            } else if (valueSource.getItem() instanceof DynamicAttributesEntity) {
                                entity = ((DynamicAttributesEntity) valueSource.getItem()).getMainItem();
                            }
                        }
                        entity.setValue(attributeCode, valueChangeEvent.getValue());
                        recalculationTools.recalculateDynamicAttributes(entity, attribute);
                    }
                }
            } finally {
                recalculationInProgress.remove();
            }
        };
    }
    return null;
}

Example 2 with DatasourceValueSource

use of com.haulmont.cuba.gui.components.data.value.DatasourceValueSource in project cuba by cuba-platform.

the class FieldGroupFieldFactoryImpl method createFieldComponent.

protected GeneratedField createFieldComponent(FieldGroup.FieldConfig fc) {
    MetaClass metaClass = resolveMetaClass(fc.getTargetDatasource());
    if (DynamicAttributesUtils.isDynamicAttribute(fc.getProperty())) {
        CategoryAttribute attribute = dynamicAttributes.getAttributeForMetaClass(metaClass, fc.getProperty());
        if (attribute != null && BooleanUtils.isTrue(attribute.getIsCollection())) {
            // noinspection unchecked
            DatasourceValueSource valueSource = new DatasourceValueSource(fc.getTargetDatasource(), fc.getProperty());
            Component fieldComponent = dynamicAttributeComponentsGenerator.generateComponent(valueSource, attribute);
            return new GeneratedField(fieldComponent);
        }
    }
    ComponentGenerationContext context = new ComponentGenerationContext(metaClass, fc.getProperty()).setDatasource(fc.getTargetDatasource()).setOptionsDatasource(fc.getOptionsDatasource()).setXmlDescriptor(fc.getXmlDescriptor()).setComponentClass(FieldGroup.class);
    return new GeneratedField(uiComponentsGenerator.generate(context));
}

Example 3 with DatasourceValueSource

use of com.haulmont.cuba.gui.components.data.value.DatasourceValueSource in project cuba by cuba-platform.

the class AttributeAccessSupport method visitComponent.

protected void visitComponent(com.haulmont.cuba.gui.components.Component component, boolean reset) {
    if (!(component instanceof HasValueSource)) {
        return;
    }
    ValueSource valueSource = ((HasValueSource) component).getValueSource();
    if (!(valueSource instanceof EntityValueSource)) {
        return;
    }
    EntityValueSource entityValueSource = (EntityValueSource) valueSource;
    MetaPropertyPath propertyPath = entityValueSource.getMetaPropertyPath();
    if (valueSource.getState() != BindingState.ACTIVE || propertyPath == null) {
        return;
    }
    if (reset) {
        component.setVisible(security.isEntityAttrReadPermitted(entityValueSource.getEntityMetaClass(), propertyPath.toString()));
        if (component instanceof Editable) {
            ((Editable) component).setEditable(security.isEntityAttrUpdatePermitted(entityValueSource.getEntityMetaClass(), propertyPath.toString()));
        }
        if (component instanceof Field) {
            ((Field) component).setRequired(propertyPath.getMetaProperty().isMandatory());
        }
    }
    Entity item = entityValueSource.getItem();
    ComponentState componentState = calculateComponentState(item, propertyPath);
    if (metadataTools.isEmbeddable(item.getMetaClass()) && entityValueSource instanceof DatasourceValueSource) {
        Datasource ds = ((DatasourceValueSource) entityValueSource).getDatasource();
        if (ds instanceof EmbeddedDatasource) {
            Datasource masterDs = ((EmbeddedDatasource) ds).getMaster();
            item = masterDs.getItem();
            componentState = calculateComponentState(item, metadataTools.resolveMetaPropertyPath(masterDs.getMetaClass(), ((EmbeddedDatasource) ds).getProperty().getName() + "." + propertyPath));
        }
    }
    if (componentState.hidden) {
        component.setVisible(false);
    }
    if (componentState.readOnly) {
        if (component instanceof Editable) {
            ((Editable) component).setEditable(false);
        }
    }
    if (component instanceof Field) {
        if (componentState.required && ((Field) component).isEditable() && component.isVisibleRecursive()) {
            ((Field) component).setRequired(true);
        }
    }
}

Example 4 with DatasourceValueSource

use of com.haulmont.cuba.gui.components.data.value.DatasourceValueSource in project cuba by cuba-platform.

the class AttributeEditor method initCalculatedAttrsAndOptionsFieldGroup.

protected void initCalculatedAttrsAndOptionsFieldGroup() {
    recalculationScript.setHeight(themeConstants.get("cuba.gui.AttributeEditor.recalculationGroovyScriptField.height"));
    recalculationScript.setContextHelpIconClickHandler(e -> showMessageDialog(getMessage("recalculationScript"), getMessage("recalculationScriptHelp"), MessageType.CONFIRMATION_HTML.modal(false).width(560f)));
    dependsOnAttributesListEditor = uiComponents.create(ListEditor.NAME);
    dependsOnAttributesListEditor.setValueSource(new DatasourceValueSource(configurationDs, "dependsOnAttributes"));
    dependsOnAttributesListEditor.setWidth(fieldWidth);
    dependsOnAttributesListEditor.setFrame(frame);
    dependsOnAttributesListEditor.setItemType(ListEditor.ItemType.ENTITY);
    dependsOnAttributesListEditor.setEntityName("sys$CategoryAttribute");
    dependsOnAttributesListEditor.addValidator(categoryAttributes -> {
        if (recalculationScript.getValue() != null && CollectionUtils.isEmpty(categoryAttributes)) {
            throw new ValidationException(getMessage("dependsOnAttributesValidationMsg"));
        }
    });
    calculatedAttrsAndOptionsFieldGroup.getFieldNN("dependsOnAttributes").setComponent(dependsOnAttributesListEditor);
    whereClause.setSuggester((source, text, cursorPosition) -> requestHint(whereClause, cursorPosition));
    whereClause.setHeight(themeConstants.get("cuba.gui.customConditionFrame.whereField.height"));
    joinClause.setSuggester((source, text, cursorPosition) -> requestHint(joinClause, cursorPosition));
    joinClause.setHeight(themeConstants.get("cuba.gui.customConditionFrame.joinField.height"));
}