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

Example 1 with ValueSource

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

the class AbstractComponentGenerationStrategy method createEntityField.

@SuppressWarnings("unchecked")
protected Component createEntityField(ComponentGenerationContext context, MetaPropertyPath mpp) {
    String linkAttribute = null;
    Element xmlDescriptor = context.getXmlDescriptor();
    if (xmlDescriptor != null) {
        linkAttribute = xmlDescriptor.attributeValue("link");
    }
    if (!Boolean.parseBoolean(linkAttribute)) {
        Options options = context.getOptions();
        boolean useOptionsLoader = false;
        if (DynamicAttributesUtils.isDynamicAttribute(mpp.getMetaProperty())) {
            DynamicAttributesMetaProperty metaProperty = (DynamicAttributesMetaProperty) mpp.getMetaProperty();
            CategoryAttribute attribute = metaProperty.getAttribute();
            CategoryAttributeConfiguration configuration = attribute.getConfiguration();
            if (Boolean.TRUE.equals(attribute.getLookup()) && configuration.hasOptionsLoader()) {
                useOptionsLoader = true;
            }
        }
        PickerField pickerField;
        if (options == null && !useOptionsLoader) {
            pickerField = uiComponents.create(PickerField.class);
            setValueSource(pickerField, context);
            if (mpp.getMetaProperty().getType() == MetaProperty.Type.ASSOCIATION) {
                guiActionSupport.createActionById(pickerField, PickerField.ActionType.LOOKUP.getId());
                if (DynamicAttributesUtils.isDynamicAttribute(mpp.getMetaProperty())) {
                    DynamicAttributesMetaProperty dynamicAttributesMetaProperty = (DynamicAttributesMetaProperty) mpp.getMetaProperty();
                    getDynamicAttributesGuiTools().initEntityPickerField(pickerField, dynamicAttributesMetaProperty.getAttribute());
                }
                boolean actionsByMetaAnnotations = guiActionSupport.createActionsByMetaAnnotations(pickerField);
                if (!actionsByMetaAnnotations) {
                    guiActionSupport.createActionById(pickerField, PickerField.ActionType.CLEAR.getId());
                }
            } else {
                guiActionSupport.createActionById(pickerField, PickerField.ActionType.OPEN.getId());
                guiActionSupport.createActionById(pickerField, PickerField.ActionType.CLEAR.getId());
            }
        } else {
            LookupPickerField lookupPickerField = uiComponents.create(LookupPickerField.class);
            setValueSource(lookupPickerField, context);
            if (useOptionsLoader) {
                DynamicAttributesMetaProperty metaProperty = (DynamicAttributesMetaProperty) mpp.getMetaProperty();
                CategoryAttribute attribute = metaProperty.getAttribute();
                ValueSource valueSource = context.getValueSource();
                if (valueSource instanceof ContainerValueSource) {
                    setOptionsLoader(attribute, lookupPickerField, (ContainerValueSource) valueSource);
                }
            } else {
                lookupPickerField.setOptions(options);
            }
            pickerField = lookupPickerField;
            guiActionSupport.createActionsByMetaAnnotations(pickerField);
        }
        if (xmlDescriptor != null) {
            String captionProperty = xmlDescriptor.attributeValue("captionProperty");
            if (StringUtils.isNotEmpty(captionProperty)) {
                pickerField.setCaptionMode(CaptionMode.PROPERTY);
                pickerField.setCaptionProperty(captionProperty);
            }
        }
        setValidators(pickerField, context);
        return pickerField;
    } else {
        EntityLinkField linkField = uiComponents.create(EntityLinkField.class);
        setValueSource(linkField, context);
        setLinkFieldAttributes(linkField, context);
        return linkField;
    }
}

Example 2 with ValueSource

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

the class AbstractComponentGenerationStrategy method setOptionsLoader.

protected void setOptionsLoader(CategoryAttribute categoryAttribute, LookupField lookupField, ContainerValueSource valueSource) {
    InstanceContainer<?> container = valueSource.getContainer();
    Entity entity = container.getItemOrNull();
    if (entity != null) {
        List options = dynamicAttributesTools.loadOptions((BaseGenericIdEntity) entity, categoryAttribute);
        // noinspection unchecked
        lookupField.setOptions(new ListOptions(options));
    }
    container.addItemChangeListener(e -> {
        List options = dynamicAttributesTools.loadOptions((BaseGenericIdEntity) e.getItem(), categoryAttribute);
        // noinspection unchecked
        lookupField.setOptions(new ListOptions(options));
    });
    List<CategoryAttribute> dependsOnAttributes = categoryAttribute.getConfiguration().getDependsOnAttributes();
    if (dependsOnAttributes != null && !dependsOnAttributes.isEmpty()) {
        List<String> dependsOnAttributesCodes = dependsOnAttributes.stream().map(a -> DynamicAttributesUtils.encodeAttributeCode(a.getCode())).collect(Collectors.toList());
        container.addItemPropertyChangeListener(e -> {
            if (dependsOnAttributesCodes.contains(e.getProperty())) {
                List options = dynamicAttributesTools.loadOptions((BaseGenericIdEntity) e.getItem(), categoryAttribute);
                // noinspection unchecked
                lookupField.setOptions(new ListOptions(options));
                if (!options.contains(lookupField.getValue())) {
                    // noinspection unchecked
                    lookupField.setValue(null);
                }
            }
        });
    }
}

Example 3 with ValueSource

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

the class GuiActionSupport method createActionsByMetaAnnotations.

/**
 * Adds actions specified in {@link Lookup} annotation on entity attribute to the given PickerField.
 *
 * @param pickerField field
 * @return true if actions have been added
 */
public boolean createActionsByMetaAnnotations(PickerField pickerField) {
    ValueSource valueSource = pickerField.getValueSource();
    if (!(valueSource instanceof EntityValueSource)) {
        return false;
    }
    EntityValueSource entityValueSource = (EntityValueSource) pickerField.getValueSource();
    MetaPropertyPath mpp = entityValueSource.getMetaPropertyPath();
    if (mpp == null) {
        return false;
    }
    String[] actionIds = (String[]) metadataTools.getMetaAnnotationAttributes(mpp.getMetaProperty().getAnnotations(), Lookup.class).get("actions");
    if (actionIds != null && actionIds.length > 0) {
        for (String actionId : actionIds) {
            createActionById(pickerField, actionId);
        }
        return true;
    }
    return false;
}

Example 4 with ValueSource

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

the class EditorBuilderProcessor method buildEditor.

@SuppressWarnings("unchecked")
public <E extends Entity, S extends Screen> S buildEditor(EditorBuilder<E> builder) {
    FrameOwner origin = builder.getOrigin();
    Screens screens = getScreenContext(origin).getScreens();
    ListComponent<E> listComponent = builder.getListComponent();
    CollectionContainer<E> container = builder.getContainer();
    if (container == null && listComponent != null) {
        DataUnit items = listComponent.getItems();
        container = items instanceof ContainerDataUnit ? ((ContainerDataUnit) items).getContainer() : null;
    }
    E entity = initEntity(builder, container);
    if (builder.getMode() == EditMode.EDIT && entity == null) {
        throw new IllegalStateException(String.format("Editor of %s cannot be open with mode EDIT, entity is not set", builder.getEntityClass()));
    }
    Screen screen = createScreen(builder, screens, entity);
    EditorScreen<E> editorScreen = (EditorScreen<E>) screen;
    editorScreen.setEntityToEdit(entity);
    DataContext parentDataContext = setupParentDataContext(origin, screen, container, builder.getParentDataContext());
    if (container != null) {
        CollectionContainer<E> ct = container;
        screen.addAfterCloseListener(event -> {
            CloseAction closeAction = event.getCloseAction();
            if (isCommitCloseAction(closeAction)) {
                E entityFromEditor = getCommittedEntity(editorScreen, parentDataContext);
                E reloadedEntity = reloadIfNeeded(entityFromEditor, ct, builder);
                E committedEntity = transform(reloadedEntity, builder);
                E mergedEntity = merge(committedEntity, origin, parentDataContext);
                if (builder.getMode() == EditMode.CREATE) {
                    boolean addsFirst;
                    if (!(ct instanceof Nested)) {
                        addsFirst = clientConfig.getCreateActionAddsFirst();
                        if (builder.getAddFirst() != null) {
                            addsFirst = builder.getAddFirst();
                        }
                    } else {
                        addsFirst = false;
                    }
                    if (ct instanceof Nested || !addsFirst) {
                        ct.getMutableItems().add(mergedEntity);
                    } else {
                        ct.getMutableItems().add(0, mergedEntity);
                    }
                } else {
                    ct.replaceItem(mergedEntity);
                }
            }
            if (listComponent instanceof com.haulmont.cuba.gui.components.Component.Focusable) {
                ((com.haulmont.cuba.gui.components.Component.Focusable) listComponent).focus();
            }
        });
    }
    HasValue<E> field = builder.getField();
    if (field != null) {
        if (parentDataContext == null && field instanceof HasValueSource) {
            ValueSource fieldValueSource = ((HasValueSource) field).getValueSource();
            if (fieldValueSource instanceof EntityValueSource) {
                if (isCompositionProperty((EntityValueSource) fieldValueSource)) {
                    DataContext thisDataContext = UiControllerUtils.getScreenData(origin).getDataContext();
                    DataContext dataContext = UiControllerUtils.getScreenData(screen).getDataContext();
                    checkDataContext(screen, dataContext);
                    dataContext.setParent(thisDataContext);
                }
            }
        }
        screen.addAfterCloseListener(event -> {
            CloseAction closeAction = event.getCloseAction();
            if (isCommitCloseAction(closeAction)) {
                E entityFromEditor = editorScreen.getEditedEntity();
                E editedEntity = transform(entityFromEditor, builder);
                if (field instanceof LookupPickerField) {
                    LookupPickerField lookupPickerField = ((LookupPickerField) field);
                    Options options = lookupPickerField.getOptions();
                    if (options instanceof EntityOptions) {
                        EntityOptions entityOptions = (EntityOptions) options;
                        if (entityOptions.containsItem(editedEntity)) {
                            entityOptions.updateItem(editedEntity);
                        }
                    }
                }
                if (field instanceof SupportsUserAction) {
                    ((SupportsUserAction) field).setValueFromUser(editedEntity);
                } else {
                    field.setValue(editedEntity);
                }
            }
            if (field instanceof com.haulmont.cuba.gui.components.Component.Focusable) {
                ((com.haulmont.cuba.gui.components.Component.Focusable) field).focus();
            }
        });
    }
    if (builder instanceof EditorClassBuilder) {
        @SuppressWarnings("unchecked") Consumer<AfterScreenCloseEvent> closeListener = ((EditorClassBuilder) builder).getCloseListener();
        if (closeListener != null) {
            screen.addAfterCloseListener(new AfterCloseListenerAdapter(closeListener));
        }
    }
    return (S) screen;
}

Example 5 with ValueSource

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

the class WebTokenList method getViewForField.

/**
 * If the value for a component is selected from the lookup screen there may be cases when lookup screen contains a list of entities loaded with a
 * view that doesn't contain all attributes, required by the token list.
 * <p>
 * The method evaluates the view that was is for loading entities in the token list
 *
 * @return a view or null if the view cannot be evaluated
 */
@Nullable
protected View getViewForField() {
    ValueSource valueSource = getValueSource();
    if (valueSource instanceof ContainerValueSource) {
        ContainerValueSource containerValueSource = (ContainerValueSource) valueSource;
        InstanceContainer container = containerValueSource.getContainer();
        View view = container.getView();
        if (view != null) {
            MetaPropertyPath metaPropertyPath = containerValueSource.getMetaPropertyPath();
            View curView = view;
            if (metaPropertyPath != null) {
                for (MetaProperty metaProperty : metaPropertyPath.getMetaProperties()) {
                    ViewProperty viewProperty = curView.getProperty(metaProperty.getName());
                    if (viewProperty != null) {
                        curView = viewProperty.getView();
                        if (curView == null)
                            return null;
                    }
                }
                MetaProperty inverseMetaProperty = metaPropertyPath.getMetaProperty().getInverse();
                if (inverseMetaProperty != null && !inverseMetaProperty.getRange().getCardinality().isMany()) {
                    curView.addProperty(inverseMetaProperty.getName());
                }
            }
            if (curView != view) {
                return curView;
            }
        }
    }
    return null;
}