Examples with CollectionPropertyDatasourceImpl com.haulmont.cuba.gui.data.impl.CollectionPropertyDatasourceImpl used on opensource projects

Example 1 with CollectionPropertyDatasourceImpl

use of com.haulmont.cuba.gui.data.impl.CollectionPropertyDatasourceImpl in project cuba by cuba-platform.

the class EditorWindowDelegate method setItem.

@SuppressWarnings("unchecked")
public void setItem(Entity item) {
    Datasource ds = getDatasource();
    DataSupplier dataservice = ds.getDataSupplier();
    DatasourceImplementation parentDs = (DatasourceImplementation) ((DatasourceImplementation) ds).getParent();
    DynamicAttributesGuiTools dynamicAttributesGuiTools = AppBeans.get(DynamicAttributesGuiTools.NAME);
    if (dynamicAttributesGuiTools.screenContainsDynamicAttributes(ds.getView(), getWrapper().getId())) {
        ds.setLoadDynamicAttributes(true);
    }
    Class<? extends Entity> entityClass = item.getClass();
    Object entityId = item.getId();
    if (parentDs != null) {
        if (!PersistenceHelper.isNew(item) && !parentDs.getItemsToCreate().contains(item) && !parentDs.getItemsToUpdate().contains(item) && parentDs instanceof CollectionDatasource && ((CollectionDatasource) parentDs).containsItem(item.getId()) && !entityStates.isLoadedWithView(item, ds.getView())) {
            item = dataservice.reload(item, ds.getView(), ds.getMetaClass(), ds.getLoadDynamicAttributes());
            if (parentDs instanceof CollectionPropertyDatasourceImpl) {
                ((CollectionPropertyDatasourceImpl) parentDs).replaceItem(item);
            } else {
                ((CollectionDatasource) parentDs).updateItem(item);
            }
        }
        item = EntityCopyUtils.copyCompositions(item);
        handlePreviouslyDeletedCompositionItems(item, parentDs);
    } else if (!PersistenceHelper.isNew(item)) {
        item = dataservice.reload(item, ds.getView(), ds.getMetaClass(), ds.getLoadDynamicAttributes());
    }
    if (item == null) {
        throw new EntityAccessException(entityClass, entityId);
    }
    if (PersistenceHelper.isNew(item) && !ds.getMetaClass().equals(item.getMetaClass())) {
        Entity newItem = ds.getDataSupplier().newInstance(ds.getMetaClass());
        metadata.getTools().copy(item, newItem);
        item = newItem;
    }
    if (ds.getLoadDynamicAttributes() && item instanceof BaseGenericIdEntity) {
        if (PersistenceHelper.isNew(item)) {
            dynamicAttributesGuiTools.initDefaultAttributeValues((BaseGenericIdEntity) item, item.getMetaClass());
        }
        if (item instanceof Categorized) {
            dynamicAttributesGuiTools.listenCategoryChanges(ds);
        }
    }
    ds.setItem(item);
    if (PersistenceHelper.isNew(item)) {
        // make sure that they will be saved on commit.
        for (Datasource datasource : ds.getDsContext().getAll()) {
            if (datasource instanceof NestedDatasource && ((NestedDatasource) datasource).getMaster() == ds) {
                if (datasource.getItem() != null && PersistenceHelper.isNew(datasource.getItem()))
                    ((DatasourceImplementation) datasource).modified(datasource.getItem());
            }
        }
    }
    ((DatasourceImplementation) ds).setModified(false);
    Security security = AppBeans.get(Security.NAME);
    if (!PersistenceHelper.isNew(item) && security.isEntityOpPermitted(ds.getMetaClass(), EntityOp.UPDATE)) {
        readOnly = false;
        LockInfo lockInfo = lockService.lock(getMetaClassForLocking(ds).getName(), item.getId().toString());
        if (lockInfo == null) {
            justLocked = true;
        } else if (!(lockInfo instanceof LockNotSupported)) {
            window.getWindowManager().showNotification(messages.getMainMessage("entityLocked.msg"), String.format(messages.getMainMessage("entityLocked.desc"), lockInfo.getUser().getLogin(), Datatypes.getNN(Date.class).format(lockInfo.getSince(), userSessionSource.getLocale())), Frame.NotificationType.HUMANIZED);
            Action action = window.getAction(Window.Editor.WINDOW_COMMIT);
            if (action != null)
                action.setEnabled(false);
            action = window.getAction(Window.Editor.WINDOW_COMMIT_AND_CLOSE);
            if (action != null)
                action.setEnabled(false);
            readOnly = true;
        }
    }
}