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

Example 6 with ValueSource

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

the class DatePickerLoader method getJavaType.

protected Class getJavaType(DatePicker resultComponent) {
    ValueSource valueSource = resultComponent.getValueSource();
    if (valueSource instanceof EntityValueSource) {
        MetaProperty metaProperty = ((EntityValueSource) valueSource).getMetaPropertyPath().getMetaProperty();
        return metaProperty.getRange().asDatatype().getJavaClass();
    }
    Datatype datatype = resultComponent.getDatatype();
    return datatype == null ? Date.class : datatype.getJavaClass();
}

Example 7 with ValueSource

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

the class WebDateField method valueBindingConnected.

@Override
protected void valueBindingConnected(ValueSource<V> valueSource) {
    super.valueBindingConnected(valueSource);
    if (valueSource instanceof EntityValueSource) {
        EntityValueSource entityValueSource = (EntityValueSource) valueSource;
        DataAwareComponentsTools dataAwareComponentsTools = beanLocator.get(DataAwareComponentsTools.class);
        dataAwareComponentsTools.setupDateFormat(this, entityValueSource);
        dataAwareComponentsTools.setupZoneId(this, entityValueSource);
        if (valueSourceStateChangeSubscription != null) {
            valueSourceStateChangeSubscription.remove();
        }
        // setup dateRange after valueSource is activated and value is set because
        // Vaadin dateField rejects value if it is not in range
        valueSourceStateChangeSubscription = valueSource.addStateChangeListener(event -> {
            if (event.getState() == BindingState.ACTIVE) {
                dataAwareComponentsTools.setupDateRange(this, entityValueSource);
            }
        });
    }
}

Example 8 with ValueSource

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

the class EditorBuilderProcessor method initEntity.

protected <E extends Entity> E initEntity(EditorBuilder<E> builder, 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) {
            Entity ownerEntity = entityValueSource.getItem();
            MetaProperty inverseProp = entityValueSource.getMetaPropertyPath().getMetaProperty().getInverse();
            if (inverseProp != null) {
                entity.setValue(inverseProp.getName(), ownerEntity);
            }
        }
        if (builder.getInitializer() != null) {
            builder.getInitializer().accept(entity);
        }
    } else {
        entity = builder.getEditedEntity();
    }
    return entity;
}

Example 9 with ValueSource

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

the class LookupBuilderProcessor method getViewForField.

/**
 * If the value for a component (e.g. {@link com.haulmont.cuba.gui.components.PickerField}) is selected from lookup screen then there may be cases
 * when in entities in lookup screen some attributes required in the editor are not loaded.
 * <p>
 * The method evaluates the view that is used for the entity in the given {@code field}
 *
 * @return a view or null if the view cannot be evaluated
 */
@Nullable
protected <E extends Entity> View getViewForField(HasValue<E> field) {
    if (field instanceof HasValueSource) {
        ValueSource valueSource = ((HasValueSource) field).getValueSource();
        if (valueSource instanceof ContainerValueSource) {
            ContainerValueSource containerValueSource = (ContainerValueSource) valueSource;
            InstanceContainer<E> container = containerValueSource.getContainer();
            View view = container.getView();
            if (view != null) {
                MetaPropertyPath metaPropertyPath = containerValueSource.getMetaPropertyPath();
                View curView = view;
                for (MetaProperty metaProperty : metaPropertyPath.getMetaProperties()) {
                    ViewProperty viewProperty = curView.getProperty(metaProperty.getName());
                    if (viewProperty != null) {
                        curView = viewProperty.getView();
                    }
                    if (curView == null)
                        break;
                }
                if (curView != view) {
                    return curView;
                }
            }
        }
    }
    return null;
}

Example 10 with ValueSource

use of com.haulmont.cuba.gui.components.data.ValueSource 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);
        }
    }
}