PM3-HS22-IT21b_WIN-Team1/src/main/java/ch/zhaw/gartenverwaltung/PlantsController.java

255 lines
8.9 KiB
Java

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