255 lines
8.9 KiB
Java
255 lines
8.9 KiB
Java
package ch.zhaw.gartenverwaltung;
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import ch.zhaw.gartenverwaltung.io.HardinessZoneNotSetException;
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import ch.zhaw.gartenverwaltung.plantList.PlantListModel;
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import ch.zhaw.gartenverwaltung.types.HardinessZone;
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import ch.zhaw.gartenverwaltung.types.Plant;
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import ch.zhaw.gartenverwaltung.types.Seasons;
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import javafx.beans.value.ChangeListener;
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import javafx.beans.value.ObservableValue;
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import javafx.event.ActionEvent;
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import javafx.fxml.FXML;
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import javafx.fxml.Initializable;
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import javafx.geometry.Insets;
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import javafx.scene.control.*;
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import javafx.scene.image.Image;
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import javafx.scene.image.ImageView;
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import javafx.scene.layout.VBox;
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import java.io.IOException;
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import java.net.URL;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.ResourceBundle;
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public class PlantsController implements Initializable {
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private final PlantListModel plantListModel = new PlantListModel();
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private Plant selectedPlant = null;
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private final HardinessZone DEFAULT_HARDINESS_ZONE = HardinessZone.ZONE_8A;
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@FXML
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private VBox seasons;
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@FXML
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private VBox climate_zones;
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@FXML
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private Label description_plant;
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@FXML
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private ImageView img_plant;
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@FXML
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private ListView<Plant> list_plants;
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@FXML
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private Button saveToMyPlant_button;
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@FXML
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private TextField search_plants;
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/**
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* saves the current selected plant in new JSON database
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* @param event event
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*/
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@FXML
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void saveToMyPlant(ActionEvent event) {
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//ToDo model save selectedPlant to mySelectedPlant(IO)
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}
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/**
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* fill list view with current hardiness zone
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* set default values
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* create filter of season and hardiness zone
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* create event listener for selected list entry and search by query
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* {@inheritDoc}
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*/
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@Override
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public void initialize(URL url, ResourceBundle resourceBundle) {
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fillPlantListWithHardinessZone();
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description_plant.setText("");
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saveToMyPlant_button.setDisable(true);
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createFilterSeasons();
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createFilterHardinessZone();
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lookForSelectedListEntry();
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try {
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viewFilteredListBySearch();
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} catch (HardinessZoneNotSetException | IOException e) {
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e.printStackTrace();
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}
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}
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/**
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* update the ListView according to the plant list provided
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* Entry in ListView is plant name
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* @param list plantList which fill the ListView
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*/
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private void fillListViewWithData(List<Plant> list) {
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clearListView();
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for (Plant plant : list) {
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list_plants.getItems().add(plant);
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}
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list_plants.setCellFactory(param -> new ListCell<Plant>() {
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@Override
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protected void updateItem(Plant plant, boolean empty) {
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super.updateItem(plant, empty);
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if (empty || plant == null || plant.name() == null) {
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setText(null);
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} else {
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setText(plant.name());
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}
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}
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});
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}
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/**
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* get plant list according to param season and hardiness zone
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* fill list view with plant list
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* @param season enum of seasons
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* @throws HardinessZoneNotSetException throws exception
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* @throws IOException throws exception
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*/
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private void viewFilteredListBySeason(Seasons season) throws HardinessZoneNotSetException, IOException {
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List<Plant> plantList = plantListModel.getFilteredPlantListBySaisonWithoutGrowthPhase(plantListModel.getCurrentZone(), season.getStartDate(), season.getEndDate());
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fillListViewWithData(plantList);
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}
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/**
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* get plant list filtered by search plant entry and hardiness zone
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* fill list view with plant list
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* @throws HardinessZoneNotSetException throws exception when no hardiness zone is defined
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* @throws IOException throws exception
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*/
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private void viewFilteredListBySearch() throws HardinessZoneNotSetException, IOException {
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search_plants.textProperty().addListener((observable, oldValue, newValue) -> {
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if (newValue.isEmpty()) {
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fillPlantListWithHardinessZone();
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}else {
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List<Plant> plantList = new LinkedList<>();
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try {
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plantList = plantListModel.getFilteredPlantListByString(plantListModel.getCurrentZone(), newValue);
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} catch (HardinessZoneNotSetException | IOException e) {
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e.printStackTrace();
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}
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fillListViewWithData(plantList);
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}
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});
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}
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/**
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* get plant list of current hardiness zone
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* fill list view with plant list
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*/
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private void fillPlantListWithHardinessZone() {
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List<Plant> plantList = new LinkedList<>();
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try {
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plantList = plantListModel.getPlantList(plantListModel.getCurrentZone());
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} catch (HardinessZoneNotSetException | IOException e) {
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e.printStackTrace();
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}
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fillListViewWithData(plantList);
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}
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/**
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* creates radio buttons for the hardiness zones defined in enum HardinessZone
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* defines default value as selected
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* when selected filter viewList according to hardiness zone
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*/
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private void createFilterHardinessZone() {
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ToggleGroup hardinessGroup = new ToggleGroup();
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for (HardinessZone zone : HardinessZone.values()) {
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RadioButton radioButton = new RadioButton(zone.name());
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radioButton.setToggleGroup(hardinessGroup);
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radioButton.setPadding(new Insets(0,0,10,0));
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if (zone.equals(DEFAULT_HARDINESS_ZONE)) {
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radioButton.setSelected(true);
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}
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radioButton.selectedProperty().addListener(new ChangeListener<Boolean>() {
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@Override
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public void changed(ObservableValue<? extends Boolean> observable, Boolean oldValue, Boolean newValue) {
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plantListModel.setCurrentZone(zone);
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fillPlantListWithHardinessZone();
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}
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});
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climate_zones.getChildren().add(radioButton);
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}
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}
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/**
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* creates radio buttons for the seasons defined in enum Seasons
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* defines default value as selected
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* when selected filter viewList according to seasons
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*/
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private void createFilterSeasons() {
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ToggleGroup seasonGroup = new ToggleGroup();
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for (Seasons season : Seasons.values()) {
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RadioButton radioButton = new RadioButton(season.name());
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radioButton.setToggleGroup(seasonGroup);
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radioButton.setPadding(new Insets(0,0,10,0));
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if (season.equals(Seasons.AllSEASONS)) {
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radioButton.setSelected(true);
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}
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radioButton.selectedProperty().addListener(new ChangeListener<Boolean>() {
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@Override
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public void changed(ObservableValue<? extends Boolean> observable, Boolean oldValue, Boolean newValue) {
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if (season.equals(Seasons.AllSEASONS)) {
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fillPlantListWithHardinessZone();
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} else {
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try {
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viewFilteredListBySeason(season);
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} catch (HardinessZoneNotSetException | IOException e) {
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e.printStackTrace();
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}
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}
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}
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});
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seasons.getChildren().add(radioButton);
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}
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}
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/**
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* observes changes in the selectedProperty of ListView and updates:
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* the description label
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* image of the plant
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*/
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private void lookForSelectedListEntry() {
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list_plants.getSelectionModel().selectedItemProperty().addListener(new ChangeListener<Plant>() {
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@Override
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public void changed(ObservableValue<? extends Plant> observable, Plant oldValue, Plant newValue) {
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if(newValue != null) {
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selectedPlant = newValue;
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description_plant.setText(selectedPlant.description());
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saveToMyPlant_button.setDisable(false);
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Image img;
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if(selectedPlant.image() != null) {
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img = selectedPlant.image();
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} else {
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img = new Image(String.valueOf(PlantsController.class.getResource("placeholder.png")));
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}
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img_plant.setImage(img);
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} else {
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selectedPlant = null;
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description_plant.setText("");
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saveToMyPlant_button.setDisable(true);
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Image img = new Image(String.valueOf(PlantsController.class.getResource("placeholder.png")));
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img_plant.setImage(img);
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}
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}
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});
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}
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/**
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* clears the ListView of entries
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*/
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private void clearListView() {
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list_plants.getItems().clear();
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}
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}
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