PresentationModelObservable.java
- /*
- * *************************************************************************************************************************************************************
- *
- * SteelBlue: DCI User Interfaces
- * http://tidalwave.it/projects/steelblue
- *
- * Copyright (C) 2015 - 2025 by Tidalwave s.a.s. (http://tidalwave.it)
- *
- * *************************************************************************************************************************************************************
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
- * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
- *
- * *************************************************************************************************************************************************************
- *
- * git clone https://bitbucket.org/tidalwave/steelblue-src
- * git clone https://github.com/tidalwave-it/steelblue-src
- *
- * *************************************************************************************************************************************************************
- */
- package it.tidalwave.ui.javafx.impl.common;
- import jakarta.annotation.Nonnull;
- import java.util.Optional;
- import java.util.function.Supplier;
- import javafx.beans.value.ObservableValueBase;
- import javafx.scene.control.TableColumn;
- import javafx.scene.control.TreeTableColumn;
- import it.tidalwave.role.Aggregate;
- import it.tidalwave.ui.core.role.PresentationModel;
- import lombok.RequiredArgsConstructor;
- /***************************************************************************************************************************************************************
- *
- * @author Fabrizio Giudici
- *
- **************************************************************************************************************************************************************/
- @RequiredArgsConstructor
- public final class PresentationModelObservable extends ObservableValueBase
- {
- @Nonnull
- private final Supplier<PresentationModel> rowPresentationModelSupplier;
- @Nonnull
- private final Supplier<String> columnKeySupplier;
- @Override @Nonnull
- public PresentationModel getValue()
- {
- final var rowPm = rowPresentationModelSupplier.get();
- final var aggregate =
- (Optional<Aggregate<PresentationModel>>)(Object)rowPm.maybeAs(Aggregate.class);
- // FIXME: uses the column header names, should be an internal id instead
- return aggregate.flatMap(a -> a.getByName(columnKeySupplier.get()))
- .map(columnPm -> PresentationModelAsDelegateDecorator.decorating(columnPm, rowPm))
- .orElse(PresentationModel.empty());
- }
- @Nonnull
- public static PresentationModelObservable of (
- @Nonnull final TableColumn.CellDataFeatures<PresentationModel, PresentationModel> cell)
- {
- return new PresentationModelObservable(
- () -> cell.getValue(),
- () -> cell.getTableColumn().getText());
- }
- @Nonnull
- public static PresentationModelObservable of (
- @Nonnull final TreeTableColumn.CellDataFeatures<PresentationModel, PresentationModel> cell)
- {
- return new PresentationModelObservable(
- () -> cell.getValue().getValue(),
- () -> cell.getTreeTableColumn().getText());
- }
- }