Examples with ValueSource io.jmix.ui.component.data.ValueSource used on opensource projects

Example 16 with ValueSource

use of io.jmix.ui.component.data.ValueSource in project jmix by jmix-framework.

the class EntityClearAction method execute.

/**
 * Executes the action.
 */
@Override
public void execute() {
    EntityPicker entityPicker = getEntityPicker();
    // remove entity if it is a composition
    Object value = entityPicker.getValue();
    ValueSource valueSource = entityPicker.getValueSource();
    if (value != null && !value.equals(entityPicker.getEmptyValue()) && valueSource instanceof EntityValueSource) {
        EntityValueSource entityValueSource = (EntityValueSource) entityPicker.getValueSource();
        Object entity = entityPicker.getValue();
        if (entityValueSource.getMetaPropertyPath() != null && entityValueSource.getMetaPropertyPath().getMetaProperty().getType() == MetaProperty.Type.COMPOSITION) {
            FrameOwner screen = entityPicker.getFrame().getFrameOwner();
            DataContext dataContext = UiControllerUtils.getScreenData(screen).getDataContext();
            dataContext.remove(entity);
        }
    }
    super.execute();
}

Example 17 with ValueSource

use of io.jmix.ui.component.data.ValueSource in project jmix by jmix-framework.

the class EditorBuilderProcessor method buildEditor.

@SuppressWarnings("unchecked")
public <E, 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 = transformForCollectionContainer(entityFromEditor, ct);
                E committedEntity = transform(reloadedEntity, builder);
                E mergedEntity = merge(committedEntity, origin, parentDataContext);
                if (builder.getMode() == EditMode.CREATE) {
                    boolean addsFirst;
                    if (!(ct instanceof Nested)) {
                        addsFirst = screenProperties.isCreateActionAddsFirst();
                        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 io.jmix.ui.component.Component.Focusable) {
                ((io.jmix.ui.component.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 reloadedEntity = transformForField(entityFromEditor, field);
                E editedEntity = transform(reloadedEntity, builder);
                if (field instanceof EntityComboBox) {
                    EntityComboBox entityComboBox = ((EntityComboBox) field);
                    Options options = entityComboBox.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 io.jmix.ui.component.Component.Focusable) {
                ((io.jmix.ui.component.Component.Focusable) field).focus();
            }
        });
    }
    if (builder instanceof EditorClassBuilder) {
        Consumer<AfterScreenShowEvent> afterShowListener = ((EditorClassBuilder) builder).getAfterShowListener();
        if (afterShowListener != null) {
            screen.addAfterShowListener(new AfterShowListenerAdapter(afterShowListener));
        }
        Consumer<AfterScreenCloseEvent> closeListener = ((EditorClassBuilder) builder).getAfterCloseListener();
        if (closeListener != null) {
            screen.addAfterCloseListener(new AfterCloseListenerAdapter(closeListener));
        }
    }
    return (S) screen;
}

Example 18 with ValueSource

use of io.jmix.ui.component.data.ValueSource in project jmix by jmix-framework.

the class AppSettingsGridLayoutBuilder method addRowToGrid.

protected void addRowToGrid(InstanceContainer container, GridLayout gridLayout, int currentRow, MetaProperty metaProperty) {
    MetaClass metaClass = container.getEntityMetaClass();
    Range range = metaProperty.getRange();
    UiEntityAttributeContext attributeContext = new UiEntityAttributeContext(metaClass, metaProperty.getName());
    accessManager.applyRegisteredConstraints(attributeContext);
    if (!attributeContext.canView()) {
        return;
    }
    if (range.isClass()) {
        UiEntityContext entityContext = new UiEntityContext(range.asClass());
        accessManager.applyRegisteredConstraints(entityContext);
        if (!entityContext.isViewPermitted()) {
            return;
        }
    }
    // add label
    Label fieldLabel = uiComponents.create(Label.class);
    fieldLabel.setValue(getPropertyCaption(metaClass, metaProperty));
    fieldLabel.setAlignment(io.jmix.ui.component.Component.Alignment.MIDDLE_LEFT);
    gridLayout.add(fieldLabel, 0, currentRow + 1);
    // current field
    ValueSource valueSource = new ContainerValueSource<>(container, metaProperty.getName());
    ComponentGenerationContext componentContext = new ComponentGenerationContext(metaClass, metaProperty.getName());
    componentContext.setValueSource(valueSource);
    gridLayout.add(createField(metaProperty, range, componentContext), 1, currentRow + 1);
    // default value
    ComponentGenerationContext componentContextForDefaultField = new ComponentGenerationContext(metaClass, metaProperty.getName());
    ValueSource valueSourceForDefaultField = new ContainerValueSource<>(dataComponents.createInstanceContainer(metaClass.getJavaClass()), metaProperty.getName());
    componentContextForDefaultField.setValueSource(valueSourceForDefaultField);
    Field defaultValueField = createField(metaProperty, range, componentContextForDefaultField);
    defaultValueField.setValue(appSettingsTools.getDefaultPropertyValue(metaClass.getJavaClass(), metaProperty.getName()));
    defaultValueField.setEditable(false);
    gridLayout.add(defaultValueField, 2, currentRow + 1);
}