/* Copyright 2010 ESRI
* 
* All rights reserved under the copyright laws of the United States
* and applicable international laws, treaties, and conventions.
* 
* You may freely redistribute and use this sample code, with or
* without modification, provided you include the original copyright
* notice and use restrictions.
* 
* See the use restrictions.
* 
*/
package arcgissamples.cartography;

import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Dimension;
import java.awt.FileDialog;
import java.awt.FlowLayout;
import java.awt.Label;
import java.awt.Panel;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.File;
import java.io.IOException;

import javax.swing.JFrame;
import javax.swing.UIManager;

import com.esri.arcgis.beans.TOC.TOCBean;
import com.esri.arcgis.beans.map.MapBean;
import com.esri.arcgis.beans.toolbar.ToolbarBean;
import com.esri.arcgis.carto.FeatureLayer;
import com.esri.arcgis.carto.IFeatureRenderer;
import com.esri.arcgis.carto.IGeoFeatureLayer;
import com.esri.arcgis.carto.esriViewDrawPhase;
import com.esri.arcgis.system.AoInitialize;
import com.esri.arcgis.system.EngineContext;
import com.esri.arcgis.system.EngineInitializer;
import com.esri.arcgis.system.esriLicenseProductCode;
import com.esri.arcgis.system.esriLicenseStatus;

/**
 * This sample demonstrates how to create a custom renderer. The renderer draws
 * symbology for point, line and polygon feature layers and rendering all
 * features with the symbol. This sample demonstrates how to implement
 * ISimpleRenderer and ILegendInfo. Implementing ISimpleRenderer lets you assign
 * a symbol to the renderer before drawing and makes the renderer compatible
 * with the single symbol property page. Implementing ILegendInfo makes the
 * rendered layer compatible with the TOC.
 */
public class PointDispersalRendererMain extends JFrame implements ActionListener {
  private static final long serialVersionUID = 1L;
  MapBean mapBean = new MapBean();
  Button buttonOpenFile = new Button();
  Button buttonCustomRenderer = new Button();
  FeatureLayer featureLayer = null;
  ToolbarBean toolbarBean = null;
  TOCBean tocBean = new TOCBean();
  static AoInitialize aoInit;

  public PointDispersalRendererMain() {
  }

  /**
   * Method to start the program execution.
   * @param s String[]
   */

  public static void main(String s[]) {
    //Get DEVKITHOME Home
    String devKitHome = System.getenv("AGSDEVKITJAVA");
    
    if (!(new File(devKitHome).exists())) {
      System.out.println(devKitHome + " does not exist.\nExiting...");
      System.exit(-1);
    }
    //
    // Change the following lines if you want to start with different data
    //
    String workspacePath = devKitHome + File.separator + "java" + File.separator + "samples" +
                      File.separator + "data" + File.separator + "usa";
    String featureClassName = "wind";
    File shapefileFile = new File(workspacePath, featureClassName + ".shp");
    
    if (!shapefileFile.exists()) {
      System.out.println("Shapefile does not exist: "+ shapefileFile.getAbsolutePath());
      System.exit(0);
    }
    try {
      EngineInitializer.initializeVisualBeans();
      UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
      initializeArcGISLicenses();
      PointDispersalRendererMain thisApp = new PointDispersalRendererMain();
      thisApp.initUI(workspacePath, featureClassName);

    } catch (Exception ex) {
      ex.printStackTrace();
    }
  }

  static void initializeArcGISLicenses() {
    try {
      aoInit = new AoInitialize();
      if (aoInit.isProductCodeAvailable(esriLicenseProductCode.esriLicenseProductCodeEngine) 
          == esriLicenseStatus.esriLicenseAvailable)
        aoInit.initialize(esriLicenseProductCode.esriLicenseProductCodeEngine);
    } catch (Exception e) {e.printStackTrace();}
  }

  /*
   * Lays out the User Interface, and sets up event listeners
   */
  private void initUI(String path, String name) throws Exception {
    this.setTitle("PointDispersalRenderer - Engine Application");
    this.setSize(new Dimension(700, 600));
    this.getContentPane().setLayout(new BorderLayout());
    Panel toolPanel = new Panel(new FlowLayout(FlowLayout.LEADING));
    Label labelComment = new Label();
    labelComment.setText("Render Point shapefile types.");
    this.buttonOpenFile.setLabel("Open new shapefile ...");
    this.buttonCustomRenderer.setLabel("Apply Custom Renderer");
    toolPanel.add(this.buttonOpenFile);
    toolPanel.add(this.buttonCustomRenderer);
    toolPanel.add(labelComment);

    try {
      this.mapBean.clearLayers();
      this.mapBean.addShapeFile(path, name);
      this.featureLayer = (FeatureLayer) (this.mapBean.getLayer(0));
      this.mapBean.refresh(esriViewDrawPhase.esriViewGeography, null,null);
      tocBean.setBuddyControl(mapBean);
    } catch (IOException e1) {
      e1.printStackTrace();
    }
    this.getContentPane().add(getToolbarBean(), BorderLayout.NORTH);
    this.getContentPane().add(this.tocBean, BorderLayout.WEST);
    this.getContentPane().add(this.mapBean, BorderLayout.CENTER);
    this.getContentPane().add(toolPanel, BorderLayout.SOUTH);
    this.buttonOpenFile.addActionListener(this);
    this.buttonCustomRenderer.addActionListener(this);
    this.setVisible(true);
    this.addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        try {
          aoInit.shutdown();
        } catch (IOException ex) {
          // exit anyway
        }
        System.exit(0);
      }
    });
  }

  private ToolbarBean getToolbarBean() throws Exception {
    if (toolbarBean == null) {
      toolbarBean = new ToolbarBean();
      toolbarBean.setItemsString("4|controls/ControlsAddDataCommand|0|-1|0|0|1;4|controls/ControlsOpenDocCommand|0|-1|0|0|1;4|controls/ControlsSaveAsDocCommand|0|-1|0|0|1;10|controls/ControlsMapFullExtentCommand|0|-1|0|0|1;10|controls/ControlsMapZoomInFixedCommand|0|-1|0|0|1;10|controls/ControlsMapZoomOutFixedCommand|0|-1|0|0|1;10|controls/ControlsMapZoomInTool|0|-1|0|0|1;10|controls/ControlsMapZoomOutTool|0|-1|0|0|1;10|controls/ControlsMapPanTool|0|-1|0|0|1;10|controls/ControlsMapZoomToLastExtentBackCommand|0|-1|0|0|1;10|controls/ControlsMapZoomToLastExtentForwardCommand|0|-1|0|0|1;3|controls/ControlsClearSelectionCommand|0|-1|0|0|1;3|controls/ControlsSelectAllCommand|0|-1|0|0|1;3|controls/ControlsSelectByGraphicsCommand|0|-1|0|0|1;3|controls/ControlsZoomToSelectedCommand|0|-1|0|0|1;3|controls/ControlsSelectFeaturesTool|0|-1|0|0|1;4|controls/ControlsMapIdentifyTool|0|-1|0|0|1");
      toolbarBean.setBuddyControl(mapBean);
    }
    return toolbarBean;
  }

  /**
   * @see ActionListener#actionPerformed
   * @param event
   */
  public void actionPerformed(ActionEvent event) {
    Object evt = event.getSource();
    if (evt == this.buttonOpenFile) {
      try {
        FileDialog fileDialog = new FileDialog(this, "Open ShapeFile",FileDialog.LOAD);
        fileDialog.setVisible(true);
        String path = fileDialog.getDirectory();
        String name = fileDialog.getFile();
        this.mapBean.clearLayers();
        this.mapBean.addShapeFile(path, name);
        this.featureLayer = (FeatureLayer) (this.mapBean.getLayer(0));
        this.mapBean.refresh(esriViewDrawPhase.esriViewGeography, null,null);
      } catch (IOException ex) {
        System.out.println("Couldn't load data.  Try another shapefile.");
      }
    }
    if (evt == this.buttonCustomRenderer) {
      setCustomRenderer();
    }
  }

  /**
   * The method creates CustomRenderer and sets properties depending on
   * feature type.
   */
  private void setCustomRenderer() {
    try {
      // create a new PointDispersalRenderer
      IFeatureRenderer  rend = (IFeatureRenderer) EngineContext.createObject(PointDispersalRenderer.class);
      IGeoFeatureLayer geoFeatureLayer = this.featureLayer;
      // finally, set the new renderer to the layer and refresh the map
      geoFeatureLayer.setRendererByRef(rend);
      this.mapBean.refresh(esriViewDrawPhase.esriViewBackground, null,null);
      this.tocBean.update();
    } catch (java.lang.Exception ex) {
      ex.printStackTrace();
    }
  }
}