de.ks.standbein.sample.fieldbinding.activity.FieldBindingController.java Source code

Introduction

Here is the source code for de.ks.standbein.sample.fieldbinding.activity.FieldBindingController.java

Source

/**
 * Copyright [2015] [Christian Loehnert]
 * <p>
 * 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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.
 */
package de.ks.standbein.sample.fieldbinding.activity;

import de.ks.standbein.BaseController;
import de.ks.standbein.validation.ValidationRegistry;
import de.ks.standbein.validation.validators.IntegerValidator;
import javafx.beans.property.IntegerProperty;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.StringProperty;
import javafx.fxml.FXML;
import javafx.scene.control.Button;
import javafx.scene.control.DatePicker;
import javafx.scene.control.ProgressIndicator;
import javafx.scene.control.TextField;
import javafx.util.converter.NumberStringConverter;
import org.apache.commons.lang3.StringUtils;

import javax.inject.Inject;
import java.net.URL;
import java.time.LocalDate;
import java.util.ResourceBundle;

public class FieldBindingController extends BaseController<FieldBindingExampleModel> {
    @FXML
    private Button save;
    @FXML
    private TextField stringField;
    @FXML
    private TextField intField;
    @FXML
    private DatePicker dateField;
    @FXML
    private ProgressIndicator progress;

    @Inject
    ValidationRegistry registry;

    private int count = 0;

    @Override
    public void initialize(URL location, ResourceBundle resources) {
        setupValidation();
        bindModelPropertiesToControls();
        disableFieldsWhileLoading();

        //be fancy and show a progress when the store is loading
        progress.visibleProperty().bind(store.loadingProperty());
    }

    private void setupValidation() {
        registry.registerValidator(intField, new IntegerValidator(localized));//make sure valid values are integer
        save.disableProperty().bind(registry.invalidProperty());//disable save button when validation has failed
    }

    private void bindModelPropertiesToControls() {
        //bind the name to the name field
        //binding is bidirectional, so when we save the model the new values are applied to the fields
        StringProperty modleName = store.getBinding().getStringProperty(FieldBindingExampleModel.class,
                FieldBindingExampleModel::getName);
        modleName.bindBidirectional(stringField.textProperty());

        //bind the value to the int field using a numberconverter to convert from and to the integer
        IntegerProperty modelValue = store.getBinding().getIntegerProperty(FieldBindingExampleModel.class,
                FieldBindingExampleModel::getValue);
        intField.textProperty().bindBidirectional(modelValue, new NumberStringConverter());

        //object bindings are also valid
        ObjectProperty<LocalDate> modelDate = store.getBinding().getObjectProperty(FieldBindingExampleModel.class,
                FieldBindingExampleModel::getDate);
        dateField.valueProperty().bindBidirectional(modelDate);
    }

    private void disableFieldsWhileLoading() {
        //disable input when loading/saving is in progress
        stringField.disableProperty().bind(store.loadingProperty());
        intField.disableProperty().bind(store.loadingProperty());
        dateField.disableProperty().bind(store.loadingProperty());
    }

    @Override
    public void duringLoad(FieldBindingExampleModel model) {
        super.duringLoad(model);

        //modify the model during loading, add a count to the name
        String name = model.getName();
        name = StringUtils.removePattern(name, "\\d*");
        if (!name.endsWith(" ")) {
            name += " ";
        }
        model.setName(name + count++);
    }

    @FXML
    void onSave() {
        //save the model, this writes the bound values back to the model, make sure you have accompaning setters for those getters
        store.save();
        //reload the model, apply the new input the the fields
        store.reload();
    }
}