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

Example 41 with CollectionDatasource

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

the class DesktopTokenList method getMasterEntity.

@Nullable
protected Entity getMasterEntity(CollectionDatasource datasource) {
    if (datasource instanceof NestedDatasource) {
        Datasource masterDs = ((NestedDatasource) datasource).getMaster();
        com.google.common.base.Preconditions.checkState(masterDs != null);
        return masterDs.getItem();
    }
    return null;
}

Example 42 with CollectionDatasource

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

the class WebTokenList method getMasterEntity.

@Nullable
protected Entity getMasterEntity(CollectionDatasource datasource) {
    if (datasource instanceof NestedDatasource) {
        Datasource masterDs = ((NestedDatasource) datasource).getMaster();
        com.google.common.base.Preconditions.checkState(masterDs != null);
        return masterDs.getItem();
    }
    return null;
}

Example 43 with CollectionDatasource

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

the class WebTokenList method setLookup.

@Override
public void setLookup(boolean lookup) {
    if (this.lookup != lookup) {
        if (lookup) {
            lookupAction = new PickerField.LookupAction(lookupPickerField) {

                @Nonnull
                @Override
                protected Map<String, Object> prepareScreenParams() {
                    Map<String, Object> screenParams = super.prepareScreenParams();
                    if (isMultiSelect()) {
                        screenParams = new HashMap<>(screenParams);
                        WindowParams.MULTI_SELECT.set(screenParams, true);
                        // for backward compatibility
                        screenParams.put("multiSelect", "true");
                    }
                    return screenParams;
                }

                @SuppressWarnings("unchecked")
                @Override
                protected void handleLookupWindowSelection(Collection items) {
                    if (items.isEmpty()) {
                        return;
                    }
                    @SuppressWarnings("unchecked") Collection<Entity> selected = items;
                    CollectionDatasource optionsDatasource = lookupPickerField.getOptionsDatasource();
                    if (optionsDatasource != null && lookupPickerField.isRefreshOptionsOnLookupClose()) {
                        optionsDatasource.refresh();
                        if (datasource != null) {
                            for (Object obj : getDatasource().getItems()) {
                                Entity entity = (Entity) obj;
                                if (getOptionsDatasource().containsItem(entity.getId())) {
                                    datasource.updateItem(getOptionsDatasource().getItem(entity.getId()));
                                }
                            }
                        }
                    }
                    // add all selected items to tokens
                    if (itemChangeHandler != null) {
                        for (Entity newItem : selected) {
                            itemChangeHandler.addItem(newItem);
                        }
                    } else if (datasource != null) {
                        // get master entity and inverse attribute in case of nested datasource
                        Entity masterEntity = getMasterEntity(datasource);
                        MetaProperty inverseProp = getInverseProperty(datasource);
                        for (Entity newItem : selected) {
                            if (!datasource.containsItem(newItem.getId())) {
                                // Initialize reference to master entity
                                if (inverseProp != null && isInitializeMasterReference(inverseProp)) {
                                    newItem.setValue(inverseProp.getName(), masterEntity);
                                }
                                datasource.addItem(newItem);
                            }
                        }
                    }
                    afterSelect(items);
                    if (afterLookupSelectionHandler != null) {
                        afterLookupSelectionHandler.onSelect(items);
                    }
                }
            };
            lookupPickerField.addAction(lookupAction);
            if (getLookupScreen() != null) {
                lookupAction.setLookupScreen(getLookupScreen());
            }
            lookupAction.setLookupScreenOpenType(lookupOpenMode);
            lookupAction.setLookupScreenParams(lookupScreenParams);
            lookupAction.setLookupScreenDialogParams(lookupScreenDialogParams);
        } else {
            lookupPickerField.removeAction(lookupAction);
        }
        lookupAction.setAfterLookupCloseHandler((window, actionId) -> {
            if (afterLookupCloseHandler != null) {
                afterLookupCloseHandler.onClose(window, actionId);
            }
        });
        lookupAction.setAfterLookupSelectionHandler(items -> {
            if (afterLookupSelectionHandler != null) {
                afterLookupSelectionHandler.onSelect(items);
            }
        });
    }
    this.lookup = lookup;
    component.refreshComponent();
}

Example 44 with CollectionDatasource

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

the class LookupPickerFieldTest method testValueLoadFromOptions.

@Test
public void testValueLoadFromOptions() {
    LookupPickerField component = factory.createComponent(LookupPickerField.class);
    // noinspection unchecked
    Datasource<User> testDs = new DsBuilder().setId("testDs").setJavaClass(User.class).setView(viewRepository.getView(User.class, View.LOCAL)).buildDatasource();
    testDs.setItem(new User());
    ((DatasourceImpl) testDs).valid();
    assertNull(component.getValue());
    Group g = new Group();
    testDs.getItem().setGroup(g);
    // noinspection unchecked
    CollectionDatasource<Group, UUID> groupsDs = new DsBuilder().setId("testDs").setJavaClass(Group.class).setView(viewRepository.getView(Group.class, View.LOCAL)).setRefreshMode(CollectionDatasource.RefreshMode.NEVER).setAllowCommit(false).buildCollectionDatasource();
    groupsDs.includeItem(g);
    Group g1 = new Group();
    g1.setId(g.getId());
    groupsDs.includeItem(g1);
    Group g2 = new Group();
    groupsDs.includeItem(g2);
    component.setOptionsDatasource(groupsDs);
    component.setDatasource(testDs, "group");
    assertTrue("Value should be from options ds", g1 == component.getValue());
    component.setValue(g2);
    Component.ValueChangeListener listener1 = e -> {
        assertEquals(g2, e.getPrevValue());
        assertEquals(g1, e.getValue());
    };
    component.addValueChangeListener(listener1);
    component.setValue(g);
}

Example 45 with CollectionDatasource

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

the class LookupFieldDsTest method testUnsubscribeSubscribeOptions.

@Test
public void testUnsubscribeSubscribeOptions() {
    LookupField lookupField = factory.createComponent(LookupField.class);
    CollectionDatasource<Group, UUID> groupsDs = getTestCollectionDatasource();
    lookupField.setOptionsDatasource(groupsDs);
    List<Group> groups = new ArrayList<>(groupsDs.getItems());
    Datasource<User> userDs = getTestUserDatasource();
    userDs.getItem().setGroup(groups.get(0));
    lookupField.setDatasource(userDs, "group");
    // unbind
    lookupField.setOptionsDatasource(null);
    Datasource.ItemChangeListener<Group> listener = e -> {
        throw new RuntimeException("Value was changed externally");
    };
    groupsDs.addItemChangeListener(listener);
    lookupField.setValue(groups.get(1));
    // setup
    groupsDs.removeItemChangeListener(listener);
    boolean[] valueWasChanged = { false };
    listener = e -> valueWasChanged[0] = true;
    groupsDs.addItemChangeListener(listener);
    lookupField.setOptionsDatasource(groupsDs);
    lookupField.setValue(groups.get(2));
    assertEquals(true, valueWasChanged[0]);
}