Examples with CollectionLoader com.haulmont.cuba.gui.model.CollectionLoader used on opensource projects

Example 1 with CollectionLoader

use of com.haulmont.cuba.gui.model.CollectionLoader in project cuba by cuba-platform.

the class InputDialog method createEntityField.

@SuppressWarnings("unchecked")
protected Field createEntityField(InputParameter parameter) {
    MetaClass metaClass = metadata.getClassNN(parameter.getEntityClass());
    Action lookupAction = actions.create(LookupAction.ID);
    Action clearAction = actions.create(ClearAction.ID);
    if (persistenceManagerService.useLookupScreen(metaClass.getName())) {
        PickerField pickerField = uiComponents.create(PickerField.NAME);
        pickerField.setMetaClass(metadata.getClass(parameter.getEntityClass()));
        pickerField.addAction(lookupAction);
        pickerField.addAction(clearAction);
        pickerField.setWidthFull();
        return pickerField;
    } else {
        LookupPickerField lookupPickerField = uiComponents.create(LookupPickerField.NAME);
        lookupPickerField.addAction(lookupAction);
        lookupPickerField.addAction(clearAction);
        lookupPickerField.setWidthFull();
        CollectionContainer container = dataComponents.createCollectionContainer(parameter.getEntityClass());
        CollectionLoader loader = dataComponents.createCollectionLoader();
        loader.setQuery("select e from " + metaClass.getName() + " e");
        loader.setView(View.MINIMAL);
        loader.setContainer(container);
        loader.load();
        lookupPickerField.setOptions(new ContainerOptions(container));
        return lookupPickerField;
    }
}

Example 2 with CollectionLoader

use of com.haulmont.cuba.gui.model.CollectionLoader in project cuba by cuba-platform.

the class Param method createEntityLookup.

protected Component createEntityLookup(FilterDataContext filterDataContext, ValueProperty valueProperty) {
    MetaClass metaClass = metadata.getSession().getClassNN(javaClass);
    LookupType type = null;
    if (property != null && property.getRange().isClass()) {
        type = (LookupType) metadata.getTools().getMetaAnnotationAttributes(property.getAnnotations(), Lookup.class).get("type");
    }
    PersistenceManagerClient persistenceManager = beanLocator.get(PersistenceManagerClient.NAME);
    boolean useLookupScreen = type != null ? type == LookupType.SCREEN : persistenceManager.useLookupScreen(metaClass.getName());
    if (useLookupScreen) {
        if (inExpr) {
            ListEditor listEditor = uiComponents.create(ListEditor.class);
            listEditor.setItemType(ListEditor.ItemType.ENTITY);
            listEditor.setEntityName(metaClass.getName());
            initListEditor(listEditor, valueProperty);
            return listEditor;
        } else {
            PickerField<Entity> picker = uiComponents.create(PickerField.NAME);
            picker.setMetaClass(metaClass);
            picker.setWidth(theme.get("cuba.gui.filter.Param.textComponent.width"));
            picker.addLookupAction();
            picker.addClearAction();
            picker.addValueChangeListener(e -> _setValue(e.getValue(), valueProperty));
            picker.setValue((Entity) _getValue(valueProperty));
            return picker;
        }
    } else {
        if (inExpr) {
            CollectionLoader<Entity> loader = createEntityOptionsLoader(metaClass);
            CollectionContainer<Entity> container = dataComponents.createCollectionContainer(metaClass.getJavaClass());
            loader.setContainer(container);
            ListEditor listEditor = uiComponents.create(ListEditor.class);
            listEditor.setItemType(ListEditor.ItemType.ENTITY);
            listEditor.setEntityName(metaClass.getName());
            // noinspection unchecked
            listEditor.setOptions(new ContainerOptions<>(container));
            // noinspection unchecked
            initListEditor(listEditor, valueProperty);
            // noinspection unchecked
            Consumer<CollectionContainer.CollectionChangeEvent<?>> listener = e -> listEditor.setValue(null);
            if (filterDataContext != null) {
                filterDataContext.registerCollectionLoader(this, loader);
                filterDataContext.registerContainerCollectionChangeListener(this, container, listener);
            }
            return listEditor;
        } else {
            CollectionLoader<Entity> loader = createEntityOptionsLoader(metaClass);
            CollectionContainer<Entity> container = dataComponents.createCollectionContainer(metaClass.getJavaClass());
            loader.setContainer(container);
            LookupPickerField<Entity> lookup = uiComponents.create(LookupPickerField.NAME);
            lookup.setWidth(theme.get("cuba.gui.filter.Param.textComponent.width"));
            lookup.addClearAction();
            lookup.setOptions(new ContainerOptions<>(container));
            Consumer<CollectionContainer.CollectionChangeEvent<?>> listener = e -> lookup.setValue(null);
            lookup.addValueChangeListener(e -> _setValue(e.getValue(), valueProperty));
            lookup.setValue((Entity) _getValue(valueProperty));
            if (filterDataContext != null) {
                filterDataContext.registerCollectionLoader(this, loader);
                filterDataContext.registerContainerCollectionChangeListener(this, container, listener);
            }
            return lookup;
        }
    }
}