meerkat-java/voting-station-gui/src/polling_station_dashboard/java/PollingStationDashboardController.java

package polling_station_dashboard.java;

import javafx.fxml.FXML;
import javafx.scene.control.Button;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.Pane;
import javafx.stage.Stage;
import polling_station_dashboard.StatusLog.java.StatusLogUpdate;
import polling_station_dashboard.settings.java.SettingsUpdate;

/**
 * Created by Vladimir Eliezer Tokarev on 28/05/2016.
 * PollingStationDashboardController controls the behavior of the polling station dashboard
 */
public class PollingStationDashboardController implements StatusLogUpdate, SettingsUpdate {

    private static final int STATUS_LOG_WIDTH_EXPANSION_VALUE = 400;
    private static final int SETTINGS_HEIGHT_EXPANSION_VALUE = 60;

    private Stage currentStage;
    private GridPane statusLog;
    private GridPane settings;

    private boolean statusLogOpened = false;
    private boolean settingsOpened = false;

    public void SetStage(Stage primaryStage)    {
        this.currentStage = primaryStage;
    }

    public void SetStatusLog(GridPane statusLog){
        this.statusLog = statusLog;
    }


    @FXML
    private void OnStatusLogPressed() {
        UpdateStatusLog();
    }

    @Override
    public void UpdateStatusLog(){
        showStatusLogButton(statusLogOpened);
        if (!statusLogOpened) {
            SetStatusLogSize(STATUS_LOG_WIDTH_EXPANSION_VALUE);
            addStatusLog();
        }
        else {
            SetStatusLogSize(-STATUS_LOG_WIDTH_EXPANSION_VALUE);
            removeStatusLog();
        }
        statusLogOpened = !statusLogOpened;
    }

    private void showStatusLogButton(boolean showOrNot){
        Button statusLogButton = (Button) currentStage.getScene().lookup("#StatusLogButton");
        statusLogButton.setVisible(showOrNot);
    }

    private void addStatusLog() {
        Pane statusLog = (Pane) currentStage.getScene().lookup("#StatusLog");
        statusLog.getChildren().add(this.statusLog);
    }

    private void removeStatusLog(){
        Pane statusLog = (Pane) currentStage.getScene().lookup("#StatusLog");
        statusLog.getChildren().remove(this.statusLog);
    }

    private void SetStatusLogSize(int expansionWidth) {
        currentStage.setWidth(currentStage.getWidth() + expansionWidth);
        Pane statusLog = (Pane) currentStage.getScene().lookup("#StatusLog");
        statusLog.setPrefWidth(expansionWidth);
    }

    @FXML
    private void OnSettingsPressed() {
        UpdateSettings();
    }

    public void SetSettings(GridPane settings){
        this.settings = settings;
    }

    @Override
    public void UpdateSettings() {
        showSettingsButton(settingsOpened);
        System.out.println(settingsOpened);
        if (!settingsOpened) {
            SetSettingsSize(SETTINGS_HEIGHT_EXPANSION_VALUE);
            addSettings();
        }
        else {
            SetSettingsSize(-SETTINGS_HEIGHT_EXPANSION_VALUE);
            removeSettings();
        }
        settingsOpened = !settingsOpened;
    }

    private void SetSettingsSize(int expansionHeight) {
        currentStage.setHeight(currentStage.getHeight() + expansionHeight);
        Pane statusLog = (Pane) currentStage.getScene().lookup("#Settings");
        statusLog.setPrefHeight(expansionHeight);
    }

    private void showSettingsButton(boolean showOrNot){
        Button settings = (Button) currentStage.getScene().lookup("#SettingsButton");
        settings.setVisible(showOrNot);
    }

    private void addSettings() {
        Pane settingsPane = (Pane) currentStage.getScene().lookup("#Settings");
        settingsPane.getChildren().add(settings);
    }

    private void removeSettings(){
        Pane settingsPane = (Pane) currentStage.getScene().lookup("#Settings");
        settingsPane.getChildren().remove(settings);
    }
}