Simple line symbol

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/*
 * Copyright 2017 Esri.
 *
 * 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.
 */

package com.esri.samples.simple_line_symbol;

import com.esri.arcgisruntime.ArcGISRuntimeEnvironment;
import com.esri.arcgisruntime.geometry.PointCollection;
import com.esri.arcgisruntime.geometry.Polyline;
import com.esri.arcgisruntime.geometry.SpatialReferences;
import com.esri.arcgisruntime.mapping.ArcGISMap;
import com.esri.arcgisruntime.mapping.BasemapStyle;
import com.esri.arcgisruntime.mapping.Viewpoint;
import com.esri.arcgisruntime.mapping.view.Graphic;
import com.esri.arcgisruntime.mapping.view.GraphicsOverlay;
import com.esri.arcgisruntime.mapping.view.MapView;
import com.esri.arcgisruntime.symbology.SimpleLineSymbol;
import com.esri.arcgisruntime.symbology.SimpleLineSymbol.Style;
import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.ColorPicker;
import javafx.scene.control.ComboBox;
import javafx.scene.control.Label;
import javafx.scene.layout.Background;
import javafx.scene.layout.BackgroundFill;
import javafx.scene.layout.CornerRadii;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.paint.Paint;
import javafx.stage.Stage;

public class SimpleLineSymbolSample extends Application {

  private MapView mapView;

  @Override
  public void start(Stage stage) {

    try {
      // create stack pane and application scene
      StackPane stackPane = new StackPane();
      Scene scene = new Scene(stackPane);
      scene.getStylesheets().add(getClass().getResource("/simple_line_symbol/style.css").toExternalForm());

      // set title, size, and add scene to stage
      stage.setTitle("Simple Line Symbol Sample");
      stage.setWidth(800);
      stage.setHeight(700);
      stage.setScene(scene);
      stage.show();

      // authentication with an API key or named user is required to access basemaps and other location services
      String yourAPIKey = System.getProperty("apiKey");
      ArcGISRuntimeEnvironment.setApiKey(yourAPIKey);

      // create a control panel
      var controlsVBox = new VBox(6);
      controlsVBox.setBackground(new Background(new BackgroundFill(Paint.valueOf("rgba(0,0,0,0.3)"), CornerRadii.EMPTY,
        Insets.EMPTY)));
      controlsVBox.setPadding(new Insets(10.0));
      controlsVBox.setMaxSize(180, 200);
      controlsVBox.getStyleClass().add("panel-region");

      // create a line symbol
      var lineSymbol = new SimpleLineSymbol(Style.SOLID, Color.RED, 3);

      // create a color picker that updates the line symbol's color property
      var colorLabel = new Label("Change Line Color");
      colorLabel.getStyleClass().add("panel-label");
      var colorPicker = new ColorPicker();
      colorPicker.setMaxWidth(Double.MAX_VALUE);
      colorPicker.valueProperty().bindBidirectional(lineSymbol.colorProperty());

      // create a combobox that updates the line symbol's width
      var widthLabel = new Label("Change Line Width");
      widthLabel.getStyleClass().add("panel-label");
      ComboBox<Float> widthBox = new ComboBox<>();
      widthBox.getItems().addAll(1f, 3f, 6f);
      widthBox.setMaxWidth(Double.MAX_VALUE);
      widthBox.getSelectionModel().select(lineSymbol.getWidth());
      widthBox.getSelectionModel().selectedItemProperty().addListener((obs, oldValue, newValue) ->
        lineSymbol.setWidth(newValue));

      // create a combobox that updates the line symbol's style
      var styleLabel = new Label("Change Line Style");
      styleLabel.getStyleClass().add("panel-label");
      ComboBox<Style> styleBox = new ComboBox<>();
      styleBox.getItems().addAll(Style.DASH, Style.DASH_DOT, Style.DASH_DOT_DOT, Style.DOT, Style.SOLID, Style.NULL);
      styleBox.setMaxWidth(Double.MAX_VALUE);
      styleBox.getSelectionModel().select(lineSymbol.getStyle());
      styleBox.getSelectionModel().selectedItemProperty().addListener((obs, oldValue, newValue) ->
        lineSymbol.setStyle(newValue));

      // add controls to the control panel
      controlsVBox.getChildren().addAll(colorLabel, colorPicker, widthLabel, widthBox, styleLabel, styleBox);

      // create a map with the standard imagery basemap style
      final ArcGISMap map = new ArcGISMap(BasemapStyle.ARCGIS_IMAGERY_STANDARD);

      // create a map view and set the map to it
      mapView = new MapView();
      mapView.setMap(map);

      // set a viewpoint on the map view
      mapView.setViewpoint(new Viewpoint(50.59778, -2.03718, 7200));

      // render graphics to the GeoView
      GraphicsOverlay graphicsOverlay = new GraphicsOverlay();
      mapView.getGraphicsOverlays().add(graphicsOverlay);

      // create a graphic from a line and line symbol and add to the graphics overlay
      var points = new PointCollection(SpatialReferences.getWebMercator());
      points.add(-226913, 6550477);
      points.add(-226643, 6550477);
      var line = new Polyline(points);
      graphicsOverlay.getGraphics().add(new Graphic(line, lineSymbol));

      // add the map view and control panel to stack pane
      stackPane.getChildren().addAll(mapView, controlsVBox);
      StackPane.setAlignment(controlsVBox, Pos.TOP_LEFT);
      StackPane.setMargin(controlsVBox, new Insets(10, 0, 0, 10));
    } catch (Exception e) {
      // on any error, display the stack trace
      e.printStackTrace();
    }
  }

  /**
   * Stops and releases all resources used in application.
   */
  @Override
  public void stop() {

    if (mapView != null) {
      mapView.dispose();
    }
  }

  /**
   * Opens and runs application.
   *
   * @param args arguments passed to this application
   */
  public static void main(String[] args) {

    Application.launch(args);
  }

}