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

Example 41 with Datasource

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

the class EntityCombinedScreen method initBrowseEditAction.

/**
 * Adds an EditAction that enables controls for editing.
 */
protected void initBrowseEditAction() {
    ListComponent table = getTable();
    table.addAction(new EditAction(table) {

        @Override
        public void actionPerform(Component component) {
            if (table.getSelected().size() == 1) {
                if (lockIfNeeded((Entity) table.getSelected().iterator().next())) {
                    super.actionPerform(component);
                }
            }
        }

        @Override
        protected void internalOpenEditor(CollectionDatasource datasource, Entity existingItem, Datasource parentDs, Map<String, Object> params) {
            refreshOptionsForLookupFields();
            enableEditControls(false);
        }

        @Override
        public void refreshState() {
            if (target != null) {
                CollectionDatasource ds = target.getDatasource();
                if (ds != null && !captionInitialized) {
                    setCaption(messages.getMainMessage("actions.Edit"));
                }
            }
            super.refreshState();
        }

        @Override
        protected boolean isPermitted() {
            CollectionDatasource ownerDatasource = target.getDatasource();
            boolean entityOpPermitted = security.isEntityOpPermitted(ownerDatasource.getMetaClass(), EntityOp.UPDATE);
            if (!entityOpPermitted) {
                return false;
            }
            return super.isPermitted();
        }
    });
}

Example 42 with Datasource

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

the class EntityCombinedScreen method releaseLock.

/**
 * Release pessimistic lock if it was applied.
 */
protected void releaseLock() {
    if (justLocked) {
        Datasource ds = getFieldGroup().getDatasource();
        Entity entity = ds.getItem();
        if (entity != null) {
            MetaClass metaClass = getMetaClassForLocking(entity);
            AppBeans.get(LockService.class).unlock(metaClass.getName(), entity.getId().toString());
        }
    }
}

Example 43 with Datasource

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

the class EntityCombinedScreen method initBrowseRemoveAction.

/**
 * Adds AfterRemoveHandler for table's Remove action to reset the record contained in editDs.
 */
@SuppressWarnings("unchecked")
protected void initBrowseRemoveAction() {
    ListComponent table = getTable();
    Datasource editDs = getFieldGroup().getDatasource();
    RemoveAction removeAction = (RemoveAction) table.getAction(RemoveAction.ACTION_ID);
    if (removeAction != null)
        removeAction.setAfterRemoveHandler(removedItems -> editDs.setItem(null));
}

Example 44 with Datasource

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

the class EntityCombinedScreen method cancel.

/**
 * Method that is invoked by clicking Cancel button, discards changes and disables controls for editing.
 */
@SuppressWarnings("unchecked")
public void cancel() {
    CollectionDatasource browseDs = getTable().getDatasource();
    Datasource editDs = getFieldGroup().getDatasource();
    Entity selectedItem = browseDs.getItem();
    if (selectedItem != null) {
        Entity reloadedItem = getDsContext().getDataSupplier().reload(selectedItem, editDs.getView());
        browseDs.setItem(reloadedItem);
    } else {
        editDs.setItem(null);
    }
    releaseLock();
    disableEditControls();
}

Example 45 with Datasource

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

the class WindowDelegate method getDatasource.

public Datasource getDatasource() {
    Datasource ds = null;
    Element element = ((Component.HasXmlDescriptor) window).getXmlDescriptor();
    String datasourceName = element.attributeValue("datasource");
    if (!StringUtils.isEmpty(datasourceName)) {
        DsContext context = window.getDsContext();
        if (context != null) {
            ds = context.get(datasourceName);
        }
    }
    if (ds == null) {
        throw new GuiDevelopmentException("Can't find main datasource", window.getId());
    }
    return ds;
}